361beeeff0
The extent information is available here so just add it to the acc.bounds operation so it can be retrieved easily if needed. Reviewed By: razvanlupusoru Differential Revision: https://reviews.llvm.org/D155319
2277 lines
103 KiB
C++
2277 lines
103 KiB
C++
//===-- OpenACC.cpp -- OpenACC directive lowering -------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/
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//
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//===----------------------------------------------------------------------===//
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#include "flang/Lower/OpenACC.h"
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#include "flang/Common/idioms.h"
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#include "flang/Lower/Bridge.h"
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#include "flang/Lower/ConvertType.h"
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#include "flang/Lower/PFTBuilder.h"
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#include "flang/Lower/StatementContext.h"
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#include "flang/Lower/Support/Utils.h"
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#include "flang/Optimizer/Builder/BoxValue.h"
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#include "flang/Optimizer/Builder/Complex.h"
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#include "flang/Optimizer/Builder/FIRBuilder.h"
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#include "flang/Optimizer/Builder/IntrinsicCall.h"
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#include "flang/Optimizer/Builder/Todo.h"
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#include "flang/Parser/parse-tree.h"
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#include "flang/Semantics/expression.h"
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#include "flang/Semantics/tools.h"
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#include "llvm/Frontend/OpenACC/ACC.h.inc"
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// Special value for * passed in device_type or gang clauses.
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static constexpr std::int64_t starCst = -1;
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/// Generate the acc.bounds operation from the descriptor information.
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static llvm::SmallVector<mlir::Value>
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genBoundsOpsFromBox(fir::FirOpBuilder &builder, mlir::Location loc,
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Fortran::lower::AbstractConverter &converter,
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fir::ExtendedValue dataExv, mlir::Value box) {
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llvm::SmallVector<mlir::Value> bounds;
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mlir::Type idxTy = builder.getIndexType();
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mlir::Type boundTy = builder.getType<mlir::acc::DataBoundsType>();
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mlir::Value one = builder.createIntegerConstant(loc, idxTy, 1);
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assert(box.getType().isa<fir::BaseBoxType>() &&
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"expect fir.box or fir.class");
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for (unsigned dim = 0; dim < dataExv.rank(); ++dim) {
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mlir::Value d = builder.createIntegerConstant(loc, idxTy, dim);
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mlir::Value baseLb =
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fir::factory::readLowerBound(builder, loc, dataExv, dim, one);
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auto dimInfo =
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builder.create<fir::BoxDimsOp>(loc, idxTy, idxTy, idxTy, box, d);
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mlir::Value lb = builder.createIntegerConstant(loc, idxTy, 0);
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mlir::Value ub =
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builder.create<mlir::arith::SubIOp>(loc, dimInfo.getExtent(), one);
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mlir::Value bound = builder.create<mlir::acc::DataBoundsOp>(
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loc, boundTy, lb, ub, mlir::Value(), dimInfo.getByteStride(), true,
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baseLb);
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bounds.push_back(bound);
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}
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return bounds;
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}
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/// Generate acc.bounds operation for base array without any subscripts
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/// provided.
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static llvm::SmallVector<mlir::Value>
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genBaseBoundsOps(fir::FirOpBuilder &builder, mlir::Location loc,
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Fortran::lower::AbstractConverter &converter,
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fir::ExtendedValue dataExv, mlir::Value baseAddr) {
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mlir::Type idxTy = builder.getIndexType();
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mlir::Type boundTy = builder.getType<mlir::acc::DataBoundsType>();
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llvm::SmallVector<mlir::Value> bounds;
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if (dataExv.rank() == 0)
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return bounds;
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mlir::Value one = builder.createIntegerConstant(loc, idxTy, 1);
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for (std::size_t dim = 0; dim < dataExv.rank(); ++dim) {
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mlir::Value baseLb =
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fir::factory::readLowerBound(builder, loc, dataExv, dim, one);
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mlir::Value ext = fir::factory::readExtent(builder, loc, dataExv, dim);
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mlir::Value lb = builder.createIntegerConstant(loc, idxTy, 0);
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// ub = extent - 1
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mlir::Value ub = builder.create<mlir::arith::SubIOp>(loc, ext, one);
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mlir::Value bound = builder.create<mlir::acc::DataBoundsOp>(
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loc, boundTy, lb, ub, ext, one, false, baseLb);
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bounds.push_back(bound);
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}
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return bounds;
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}
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/// Generate acc.bounds operations for an array section when subscripts are
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/// provided.
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static llvm::SmallVector<mlir::Value>
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genBoundsOps(fir::FirOpBuilder &builder, mlir::Location loc,
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Fortran::lower::AbstractConverter &converter,
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Fortran::lower::StatementContext &stmtCtx,
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const std::list<Fortran::parser::SectionSubscript> &subscripts,
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std::stringstream &asFortran, fir::ExtendedValue &dataExv,
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mlir::Value baseAddr) {
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int dimension = 0;
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mlir::Type idxTy = builder.getIndexType();
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mlir::Type boundTy = builder.getType<mlir::acc::DataBoundsType>();
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llvm::SmallVector<mlir::Value> bounds;
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mlir::Value zero = builder.createIntegerConstant(loc, idxTy, 0);
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mlir::Value one = builder.createIntegerConstant(loc, idxTy, 1);
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for (const auto &subscript : subscripts) {
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if (const auto *triplet{
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std::get_if<Fortran::parser::SubscriptTriplet>(&subscript.u)}) {
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if (dimension != 0)
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asFortran << ',';
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mlir::Value lbound, ubound, extent;
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std::optional<std::int64_t> lval, uval;
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mlir::Value baseLb =
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fir::factory::readLowerBound(builder, loc, dataExv, dimension, one);
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bool defaultLb = baseLb == one;
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mlir::Value stride = one;
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bool strideInBytes = false;
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if (fir::unwrapRefType(baseAddr.getType()).isa<fir::BaseBoxType>()) {
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mlir::Value d = builder.createIntegerConstant(loc, idxTy, dimension);
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auto dimInfo = builder.create<fir::BoxDimsOp>(loc, idxTy, idxTy, idxTy,
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baseAddr, d);
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stride = dimInfo.getByteStride();
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strideInBytes = true;
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}
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const auto &lower{std::get<0>(triplet->t)};
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if (lower) {
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lval = Fortran::semantics::GetIntValue(lower);
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if (lval) {
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if (defaultLb) {
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lbound = builder.createIntegerConstant(loc, idxTy, *lval - 1);
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} else {
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mlir::Value lb = builder.createIntegerConstant(loc, idxTy, *lval);
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lbound = builder.create<mlir::arith::SubIOp>(loc, lb, baseLb);
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}
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asFortran << *lval;
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} else {
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const Fortran::lower::SomeExpr *lexpr =
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Fortran::semantics::GetExpr(*lower);
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mlir::Value lb =
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fir::getBase(converter.genExprValue(loc, *lexpr, stmtCtx));
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lb = builder.createConvert(loc, baseLb.getType(), lb);
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lbound = builder.create<mlir::arith::SubIOp>(loc, lb, baseLb);
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asFortran << lexpr->AsFortran();
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}
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} else {
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lbound = defaultLb ? zero : baseLb;
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}
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asFortran << ':';
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const auto &upper{std::get<1>(triplet->t)};
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if (upper) {
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uval = Fortran::semantics::GetIntValue(upper);
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if (uval) {
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if (defaultLb) {
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ubound = builder.createIntegerConstant(loc, idxTy, *uval - 1);
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} else {
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mlir::Value ub = builder.createIntegerConstant(loc, idxTy, *uval);
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ubound = builder.create<mlir::arith::SubIOp>(loc, ub, baseLb);
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}
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asFortran << *uval;
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} else {
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const Fortran::lower::SomeExpr *uexpr =
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Fortran::semantics::GetExpr(*upper);
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mlir::Value ub =
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fir::getBase(converter.genExprValue(loc, *uexpr, stmtCtx));
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ub = builder.createConvert(loc, baseLb.getType(), ub);
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ubound = builder.create<mlir::arith::SubIOp>(loc, ub, baseLb);
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asFortran << uexpr->AsFortran();
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}
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}
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if (lower && upper) {
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if (lval && uval && *uval < *lval) {
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mlir::emitError(loc, "zero sized array section");
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break;
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} else if (std::get<2>(triplet->t)) {
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const auto &strideExpr{std::get<2>(triplet->t)};
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if (strideExpr) {
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mlir::emitError(loc, "stride cannot be specified on "
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"an OpenACC array section");
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break;
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}
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}
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}
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// ub = baseLb + extent - 1
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if (!ubound) {
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mlir::Value ext =
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fir::factory::readExtent(builder, loc, dataExv, dimension);
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mlir::Value lbExt =
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builder.create<mlir::arith::AddIOp>(loc, ext, baseLb);
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ubound = builder.create<mlir::arith::SubIOp>(loc, lbExt, one);
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}
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mlir::Value bound = builder.create<mlir::acc::DataBoundsOp>(
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loc, boundTy, lbound, ubound, extent, stride, strideInBytes, baseLb);
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bounds.push_back(bound);
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++dimension;
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}
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}
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return bounds;
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}
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static mlir::Value
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getDataOperandBaseAddr(Fortran::lower::AbstractConverter &converter,
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fir::FirOpBuilder &builder,
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Fortran::lower::SymbolRef sym, mlir::Location loc) {
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mlir::Value symAddr = converter.getSymbolAddress(sym);
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// TODO: Might need revisiting to handle for non-shared clauses
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if (!symAddr) {
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if (const auto *details =
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sym->detailsIf<Fortran::semantics::HostAssocDetails>())
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symAddr = converter.getSymbolAddress(details->symbol());
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}
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if (!symAddr)
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llvm::report_fatal_error("could not retrieve symbol address");
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if (auto boxTy =
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fir::unwrapRefType(symAddr.getType()).dyn_cast<fir::BaseBoxType>()) {
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if (boxTy.getEleTy().isa<fir::RecordType>())
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TODO(loc, "derived type");
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// Load the box when baseAddr is a `fir.ref<fir.box<T>>` or a
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// `fir.ref<fir.class<T>>` type.
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if (symAddr.getType().isa<fir::ReferenceType>())
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return builder.create<fir::LoadOp>(loc, symAddr);
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}
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return symAddr;
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}
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static mlir::Value gatherDataOperandAddrAndBounds(
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Fortran::lower::AbstractConverter &converter, fir::FirOpBuilder &builder,
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Fortran::semantics::SemanticsContext &semanticsContext,
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Fortran::lower::StatementContext &stmtCtx,
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const Fortran::parser::AccObject &accObject, mlir::Location operandLocation,
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std::stringstream &asFortran, llvm::SmallVector<mlir::Value> &bounds) {
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mlir::Value baseAddr;
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std::visit(
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Fortran::common::visitors{
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[&](const Fortran::parser::Designator &designator) {
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if (auto expr{Fortran::semantics::AnalyzeExpr(semanticsContext,
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designator)}) {
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if ((*expr).Rank() > 0 &&
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Fortran::parser::Unwrap<Fortran::parser::ArrayElement>(
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designator)) {
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const auto *arrayElement =
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Fortran::parser::Unwrap<Fortran::parser::ArrayElement>(
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designator);
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const auto *dataRef =
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std::get_if<Fortran::parser::DataRef>(&designator.u);
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fir::ExtendedValue dataExv;
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if (Fortran::parser::Unwrap<
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Fortran::parser::StructureComponent>(
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arrayElement->base)) {
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auto exprBase = Fortran::semantics::AnalyzeExpr(
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semanticsContext, arrayElement->base);
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dataExv = converter.genExprAddr(operandLocation, *exprBase,
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stmtCtx);
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baseAddr = fir::getBase(dataExv);
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asFortran << (*exprBase).AsFortran();
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} else {
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const Fortran::parser::Name &name =
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Fortran::parser::GetLastName(*dataRef);
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baseAddr = getDataOperandBaseAddr(
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converter, builder, *name.symbol, operandLocation);
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dataExv = converter.getSymbolExtendedValue(*name.symbol);
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asFortran << name.ToString();
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}
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if (!arrayElement->subscripts.empty()) {
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asFortran << '(';
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bounds = genBoundsOps(builder, operandLocation, converter,
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stmtCtx, arrayElement->subscripts,
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asFortran, dataExv, baseAddr);
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}
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asFortran << ')';
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} else if (Fortran::parser::Unwrap<
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Fortran::parser::StructureComponent>(designator)) {
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fir::ExtendedValue compExv =
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converter.genExprAddr(operandLocation, *expr, stmtCtx);
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baseAddr = fir::getBase(compExv);
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if (fir::unwrapRefType(baseAddr.getType())
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.isa<fir::SequenceType>())
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bounds = genBaseBoundsOps(builder, operandLocation, converter,
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compExv, baseAddr);
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asFortran << (*expr).AsFortran();
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// If the component is an allocatable or pointer the result of
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// genExprAddr will be the result of a fir.box_addr operation.
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// Retrieve the box so we handle it like other descriptor.
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if (auto boxAddrOp = mlir::dyn_cast_or_null<fir::BoxAddrOp>(
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baseAddr.getDefiningOp())) {
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baseAddr = boxAddrOp.getVal();
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bounds = genBoundsOpsFromBox(builder, operandLocation,
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converter, compExv, baseAddr);
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}
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} else {
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// Scalar or full array.
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if (const auto *dataRef{
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std::get_if<Fortran::parser::DataRef>(&designator.u)}) {
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const Fortran::parser::Name &name =
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Fortran::parser::GetLastName(*dataRef);
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fir::ExtendedValue dataExv =
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converter.getSymbolExtendedValue(*name.symbol);
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baseAddr = getDataOperandBaseAddr(
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converter, builder, *name.symbol, operandLocation);
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if (fir::unwrapRefType(baseAddr.getType())
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.isa<fir::BaseBoxType>())
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bounds = genBoundsOpsFromBox(builder, operandLocation,
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converter, dataExv, baseAddr);
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if (fir::unwrapRefType(baseAddr.getType())
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.isa<fir::SequenceType>())
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bounds = genBaseBoundsOps(builder, operandLocation,
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converter, dataExv, baseAddr);
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asFortran << name.ToString();
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} else { // Unsupported
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llvm::report_fatal_error(
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"Unsupported type of OpenACC operand");
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}
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}
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}
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},
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[&](const Fortran::parser::Name &name) {
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baseAddr = getDataOperandBaseAddr(converter, builder, *name.symbol,
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operandLocation);
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asFortran << name.ToString();
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}},
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accObject.u);
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return baseAddr;
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}
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static mlir::Location
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genOperandLocation(Fortran::lower::AbstractConverter &converter,
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const Fortran::parser::AccObject &accObject) {
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mlir::Location loc = converter.genUnknownLocation();
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std::visit(Fortran::common::visitors{
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[&](const Fortran::parser::Designator &designator) {
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loc = converter.genLocation(designator.source);
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},
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[&](const Fortran::parser::Name &name) {
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loc = converter.genLocation(name.source);
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}},
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accObject.u);
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return loc;
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}
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template <typename Op>
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static Op createDataEntryOp(fir::FirOpBuilder &builder, mlir::Location loc,
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mlir::Value baseAddr, std::stringstream &name,
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mlir::SmallVector<mlir::Value> bounds,
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bool structured, mlir::acc::DataClause dataClause,
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mlir::Type retTy) {
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mlir::Value varPtrPtr;
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if (auto boxTy = baseAddr.getType().dyn_cast<fir::BaseBoxType>()) {
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baseAddr = builder.create<fir::BoxAddrOp>(loc, baseAddr);
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retTy = baseAddr.getType();
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}
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Op op = builder.create<Op>(loc, retTy, baseAddr);
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op.setNameAttr(builder.getStringAttr(name.str()));
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op.setStructured(structured);
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op.setDataClause(dataClause);
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unsigned insPos = 1;
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if (varPtrPtr)
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op->insertOperands(insPos++, varPtrPtr);
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if (bounds.size() > 0)
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op->insertOperands(insPos, bounds);
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op->setAttr(Op::getOperandSegmentSizeAttr(),
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builder.getDenseI32ArrayAttr(
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{1, varPtrPtr ? 1 : 0, static_cast<int32_t>(bounds.size())}));
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return op;
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}
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template <typename Op>
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static void
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genDataOperandOperations(const Fortran::parser::AccObjectList &objectList,
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Fortran::lower::AbstractConverter &converter,
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Fortran::semantics::SemanticsContext &semanticsContext,
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Fortran::lower::StatementContext &stmtCtx,
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llvm::SmallVectorImpl<mlir::Value> &dataOperands,
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mlir::acc::DataClause dataClause, bool structured) {
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fir::FirOpBuilder &builder = converter.getFirOpBuilder();
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for (const auto &accObject : objectList.v) {
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llvm::SmallVector<mlir::Value> bounds;
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std::stringstream asFortran;
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mlir::Location operandLocation = genOperandLocation(converter, accObject);
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mlir::Value baseAddr = gatherDataOperandAddrAndBounds(
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converter, builder, semanticsContext, stmtCtx, accObject,
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operandLocation, asFortran, bounds);
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Op op = createDataEntryOp<Op>(builder, operandLocation, baseAddr, asFortran,
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bounds, structured, dataClause,
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baseAddr.getType());
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dataOperands.push_back(op.getAccPtr());
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}
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}
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template <typename EntryOp, typename ExitOp>
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static void genDataExitOperations(fir::FirOpBuilder &builder,
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llvm::SmallVector<mlir::Value> operands,
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bool structured, bool implicit) {
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for (mlir::Value operand : operands) {
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auto entryOp = mlir::dyn_cast_or_null<EntryOp>(operand.getDefiningOp());
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assert(entryOp && "data entry op expected");
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mlir::Value varPtr;
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if constexpr (std::is_same_v<ExitOp, mlir::acc::CopyoutOp> ||
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std::is_same_v<ExitOp, mlir::acc::UpdateHostOp>)
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varPtr = entryOp.getVarPtr();
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builder.create<ExitOp>(entryOp.getLoc(), entryOp.getAccPtr(), varPtr,
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entryOp.getBounds(), entryOp.getDataClause(),
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structured, implicit,
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builder.getStringAttr(*entryOp.getName()));
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}
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}
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template <typename RecipeOp>
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static void genPrivateLikeInitRegion(mlir::OpBuilder &builder, RecipeOp recipe,
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mlir::Type ty, mlir::Location loc) {
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mlir::Value retVal = recipe.getInitRegion().front().getArgument(0);
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if (auto refTy = mlir::dyn_cast_or_null<fir::ReferenceType>(ty)) {
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if (fir::isa_trivial(refTy.getEleTy()))
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retVal = builder.create<fir::AllocaOp>(loc, refTy.getEleTy());
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else if (auto seqTy =
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mlir::dyn_cast_or_null<fir::SequenceType>(refTy.getEleTy())) {
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if (seqTy.hasDynamicExtents())
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TODO(loc, "private recipe of array with dynamic extents");
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if (fir::isa_trivial(seqTy.getEleTy()))
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retVal = builder.create<fir::AllocaOp>(loc, seqTy);
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}
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}
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builder.create<mlir::acc::YieldOp>(loc, retVal);
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}
|
|
|
|
mlir::acc::PrivateRecipeOp
|
|
Fortran::lower::createOrGetPrivateRecipe(mlir::OpBuilder &builder,
|
|
llvm::StringRef recipeName,
|
|
mlir::Location loc, mlir::Type ty) {
|
|
mlir::ModuleOp mod =
|
|
builder.getBlock()->getParent()->getParentOfType<mlir::ModuleOp>();
|
|
if (auto recipe = mod.lookupSymbol<mlir::acc::PrivateRecipeOp>(recipeName))
|
|
return recipe;
|
|
|
|
auto crtPos = builder.saveInsertionPoint();
|
|
mlir::OpBuilder modBuilder(mod.getBodyRegion());
|
|
auto recipe =
|
|
modBuilder.create<mlir::acc::PrivateRecipeOp>(loc, recipeName, ty);
|
|
builder.createBlock(&recipe.getInitRegion(), recipe.getInitRegion().end(),
|
|
{ty}, {loc});
|
|
builder.setInsertionPointToEnd(&recipe.getInitRegion().back());
|
|
genPrivateLikeInitRegion<mlir::acc::PrivateRecipeOp>(builder, recipe, ty,
|
|
loc);
|
|
builder.restoreInsertionPoint(crtPos);
|
|
return recipe;
|
|
}
|
|
|
|
mlir::acc::FirstprivateRecipeOp Fortran::lower::createOrGetFirstprivateRecipe(
|
|
mlir::OpBuilder &builder, llvm::StringRef recipeName, mlir::Location loc,
|
|
mlir::Type ty) {
|
|
mlir::ModuleOp mod =
|
|
builder.getBlock()->getParent()->getParentOfType<mlir::ModuleOp>();
|
|
if (auto recipe =
|
|
mod.lookupSymbol<mlir::acc::FirstprivateRecipeOp>(recipeName))
|
|
return recipe;
|
|
|
|
auto crtPos = builder.saveInsertionPoint();
|
|
mlir::OpBuilder modBuilder(mod.getBodyRegion());
|
|
auto recipe =
|
|
modBuilder.create<mlir::acc::FirstprivateRecipeOp>(loc, recipeName, ty);
|
|
builder.createBlock(&recipe.getInitRegion(), recipe.getInitRegion().end(),
|
|
{ty}, {loc});
|
|
builder.setInsertionPointToEnd(&recipe.getInitRegion().back());
|
|
genPrivateLikeInitRegion<mlir::acc::FirstprivateRecipeOp>(builder, recipe, ty,
|
|
loc);
|
|
|
|
// Add empty copy region for firstprivate. TODO add copy sequence.
|
|
builder.createBlock(&recipe.getCopyRegion(), recipe.getCopyRegion().end(),
|
|
{ty, ty}, {loc, loc});
|
|
|
|
builder.setInsertionPointToEnd(&recipe.getCopyRegion().back());
|
|
if (auto refTy = mlir::dyn_cast_or_null<fir::ReferenceType>(ty)) {
|
|
if (fir::isa_trivial(refTy.getEleTy())) {
|
|
mlir::Value initValue = builder.create<fir::LoadOp>(
|
|
loc, recipe.getCopyRegion().front().getArgument(0));
|
|
builder.create<fir::StoreOp>(
|
|
loc, initValue, recipe.getCopyRegion().front().getArgument(1));
|
|
} else if (auto seqTy = mlir::dyn_cast_or_null<fir::SequenceType>(
|
|
refTy.getEleTy())) {
|
|
if (seqTy.hasDynamicExtents())
|
|
TODO(loc, "private recipe of array with dynamic extents");
|
|
mlir::Type idxTy = builder.getIndexType();
|
|
mlir::Type refTy = fir::ReferenceType::get(seqTy.getEleTy());
|
|
mlir::Value arraySrc = recipe.getCopyRegion().front().getArgument(0);
|
|
mlir::Value arrayDst = recipe.getCopyRegion().front().getArgument(1);
|
|
llvm::SmallVector<fir::DoLoopOp> loops;
|
|
llvm::SmallVector<mlir::Value> ivs;
|
|
for (auto ext : llvm::reverse(seqTy.getShape())) {
|
|
auto lb = builder.create<mlir::arith::ConstantOp>(
|
|
loc, idxTy, builder.getIntegerAttr(idxTy, 0));
|
|
auto ub = builder.create<mlir::arith::ConstantOp>(
|
|
loc, idxTy, builder.getIntegerAttr(idxTy, ext - 1));
|
|
auto step = builder.create<mlir::arith::ConstantOp>(
|
|
loc, idxTy, builder.getIntegerAttr(idxTy, 1));
|
|
auto loop = builder.create<fir::DoLoopOp>(loc, lb, ub, step,
|
|
/*unordered=*/false);
|
|
builder.setInsertionPointToStart(loop.getBody());
|
|
loops.push_back(loop);
|
|
ivs.push_back(loop.getInductionVar());
|
|
}
|
|
auto addr1 = builder.create<fir::CoordinateOp>(loc, refTy, arraySrc, ivs);
|
|
auto addr2 = builder.create<fir::CoordinateOp>(loc, refTy, arrayDst, ivs);
|
|
auto loadedValue = builder.create<fir::LoadOp>(loc, addr1);
|
|
builder.create<fir::StoreOp>(loc, loadedValue, addr2);
|
|
builder.setInsertionPointAfter(loops[0]);
|
|
}
|
|
}
|
|
builder.create<mlir::acc::TerminatorOp>(loc);
|
|
builder.restoreInsertionPoint(crtPos);
|
|
return recipe;
|
|
}
|
|
|
|
/// Rebuild the array type from the acc.bounds operation with constant
|
|
/// lowerbound/upperbound or extent.
|
|
mlir::Type getTypeFromBounds(llvm::SmallVector<mlir::Value> &bounds,
|
|
mlir::Type ty) {
|
|
auto seqTy =
|
|
mlir::dyn_cast_or_null<fir::SequenceType>(fir::unwrapRefType(ty));
|
|
if (!bounds.empty() && seqTy) {
|
|
llvm::SmallVector<int64_t> shape;
|
|
for (auto b : bounds) {
|
|
auto boundsOp =
|
|
mlir::dyn_cast<mlir::acc::DataBoundsOp>(b.getDefiningOp());
|
|
if (boundsOp.getLowerbound() &&
|
|
fir::getIntIfConstant(boundsOp.getLowerbound()) &&
|
|
boundsOp.getUpperbound() &&
|
|
fir::getIntIfConstant(boundsOp.getUpperbound())) {
|
|
int64_t ext = *fir::getIntIfConstant(boundsOp.getUpperbound()) -
|
|
*fir::getIntIfConstant(boundsOp.getLowerbound()) + 1;
|
|
shape.push_back(ext);
|
|
} else if (boundsOp.getExtent() &&
|
|
fir::getIntIfConstant(boundsOp.getExtent())) {
|
|
shape.push_back(*fir::getIntIfConstant(boundsOp.getExtent()));
|
|
} else {
|
|
return ty; // TODO: handle dynamic shaped array slice.
|
|
}
|
|
}
|
|
if (shape.empty() || shape.size() != bounds.size())
|
|
return ty;
|
|
auto newSeqTy = fir::SequenceType::get(shape, seqTy.getEleTy());
|
|
if (mlir::isa<fir::ReferenceType>(ty))
|
|
return fir::ReferenceType::get(newSeqTy);
|
|
return newSeqTy;
|
|
}
|
|
return ty;
|
|
}
|
|
|
|
template <typename RecipeOp>
|
|
static void
|
|
genPrivatizations(const Fortran::parser::AccObjectList &objectList,
|
|
Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
llvm::SmallVectorImpl<mlir::Value> &dataOperands,
|
|
llvm::SmallVector<mlir::Attribute> &privatizations) {
|
|
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
|
|
for (const auto &accObject : objectList.v) {
|
|
llvm::SmallVector<mlir::Value> bounds;
|
|
std::stringstream asFortran;
|
|
mlir::Location operandLocation = genOperandLocation(converter, accObject);
|
|
mlir::Value baseAddr = gatherDataOperandAddrAndBounds(
|
|
converter, builder, semanticsContext, stmtCtx, accObject,
|
|
operandLocation, asFortran, bounds);
|
|
|
|
RecipeOp recipe;
|
|
mlir::Type retTy = getTypeFromBounds(bounds, baseAddr.getType());
|
|
if constexpr (std::is_same_v<RecipeOp, mlir::acc::PrivateRecipeOp>) {
|
|
std::string recipeName =
|
|
fir::getTypeAsString(retTy, converter.getKindMap(), "privatization");
|
|
recipe = Fortran::lower::createOrGetPrivateRecipe(builder, recipeName,
|
|
operandLocation, retTy);
|
|
auto op = createDataEntryOp<mlir::acc::PrivateOp>(
|
|
builder, operandLocation, baseAddr, asFortran, bounds, true,
|
|
mlir::acc::DataClause::acc_private, retTy);
|
|
dataOperands.push_back(op.getAccPtr());
|
|
} else {
|
|
std::string recipeName = fir::getTypeAsString(
|
|
retTy, converter.getKindMap(), "firstprivatization");
|
|
recipe = Fortran::lower::createOrGetFirstprivateRecipe(
|
|
builder, recipeName, operandLocation, retTy);
|
|
auto op = createDataEntryOp<mlir::acc::FirstprivateOp>(
|
|
builder, operandLocation, baseAddr, asFortran, bounds, true,
|
|
mlir::acc::DataClause::acc_firstprivate, retTy);
|
|
dataOperands.push_back(op.getAccPtr());
|
|
}
|
|
privatizations.push_back(mlir::SymbolRefAttr::get(
|
|
builder.getContext(), recipe.getSymName().str()));
|
|
}
|
|
}
|
|
|
|
/// Return the corresponding enum value for the mlir::acc::ReductionOperator
|
|
/// from the parser representation.
|
|
static mlir::acc::ReductionOperator
|
|
getReductionOperator(const Fortran::parser::AccReductionOperator &op) {
|
|
switch (op.v) {
|
|
case Fortran::parser::AccReductionOperator::Operator::Plus:
|
|
return mlir::acc::ReductionOperator::AccAdd;
|
|
case Fortran::parser::AccReductionOperator::Operator::Multiply:
|
|
return mlir::acc::ReductionOperator::AccMul;
|
|
case Fortran::parser::AccReductionOperator::Operator::Max:
|
|
return mlir::acc::ReductionOperator::AccMax;
|
|
case Fortran::parser::AccReductionOperator::Operator::Min:
|
|
return mlir::acc::ReductionOperator::AccMin;
|
|
case Fortran::parser::AccReductionOperator::Operator::Iand:
|
|
return mlir::acc::ReductionOperator::AccIand;
|
|
case Fortran::parser::AccReductionOperator::Operator::Ior:
|
|
return mlir::acc::ReductionOperator::AccIor;
|
|
case Fortran::parser::AccReductionOperator::Operator::Ieor:
|
|
return mlir::acc::ReductionOperator::AccXor;
|
|
case Fortran::parser::AccReductionOperator::Operator::And:
|
|
return mlir::acc::ReductionOperator::AccLand;
|
|
case Fortran::parser::AccReductionOperator::Operator::Or:
|
|
return mlir::acc::ReductionOperator::AccLor;
|
|
case Fortran::parser::AccReductionOperator::Operator::Eqv:
|
|
return mlir::acc::ReductionOperator::AccEqv;
|
|
case Fortran::parser::AccReductionOperator::Operator::Neqv:
|
|
return mlir::acc::ReductionOperator::AccNeqv;
|
|
}
|
|
llvm_unreachable("unexpected reduction operator");
|
|
}
|
|
|
|
/// Get the initial value for reduction operator.
|
|
template <typename R>
|
|
static R getReductionInitValue(mlir::acc::ReductionOperator op, mlir::Type ty) {
|
|
if (op == mlir::acc::ReductionOperator::AccMin) {
|
|
// min init value -> largest
|
|
if constexpr (std::is_same_v<R, llvm::APInt>) {
|
|
assert(ty.isIntOrIndex() && "expect integer or index type");
|
|
return llvm::APInt::getSignedMaxValue(ty.getIntOrFloatBitWidth());
|
|
}
|
|
if constexpr (std::is_same_v<R, llvm::APFloat>) {
|
|
auto floatTy = mlir::dyn_cast_or_null<mlir::FloatType>(ty);
|
|
assert(floatTy && "expect float type");
|
|
return llvm::APFloat::getLargest(floatTy.getFloatSemantics(),
|
|
/*negative=*/false);
|
|
}
|
|
} else if (op == mlir::acc::ReductionOperator::AccMax) {
|
|
// max init value -> smallest
|
|
if constexpr (std::is_same_v<R, llvm::APInt>) {
|
|
assert(ty.isIntOrIndex() && "expect integer or index type");
|
|
return llvm::APInt::getSignedMinValue(ty.getIntOrFloatBitWidth());
|
|
}
|
|
if constexpr (std::is_same_v<R, llvm::APFloat>) {
|
|
auto floatTy = mlir::dyn_cast_or_null<mlir::FloatType>(ty);
|
|
assert(floatTy && "expect float type");
|
|
return llvm::APFloat::getSmallest(floatTy.getFloatSemantics(),
|
|
/*negative=*/true);
|
|
}
|
|
} else if (op == mlir::acc::ReductionOperator::AccIand) {
|
|
if constexpr (std::is_same_v<R, llvm::APInt>) {
|
|
assert(ty.isIntOrIndex() && "expect integer type");
|
|
unsigned bits = ty.getIntOrFloatBitWidth();
|
|
return llvm::APInt::getAllOnes(bits);
|
|
}
|
|
} else {
|
|
// +, ior, ieor init value -> 0
|
|
// * init value -> 1
|
|
int64_t value = (op == mlir::acc::ReductionOperator::AccMul) ? 1 : 0;
|
|
if constexpr (std::is_same_v<R, llvm::APInt>) {
|
|
assert(ty.isIntOrIndex() && "expect integer or index type");
|
|
return llvm::APInt(ty.getIntOrFloatBitWidth(), value, true);
|
|
}
|
|
|
|
if constexpr (std::is_same_v<R, llvm::APFloat>) {
|
|
assert(mlir::isa<mlir::FloatType>(ty) && "expect float type");
|
|
auto floatTy = mlir::dyn_cast<mlir::FloatType>(ty);
|
|
return llvm::APFloat(floatTy.getFloatSemantics(), value);
|
|
}
|
|
|
|
if constexpr (std::is_same_v<R, int64_t>)
|
|
return value;
|
|
}
|
|
llvm_unreachable("OpenACC reduction unsupported type");
|
|
}
|
|
|
|
static mlir::Value genReductionInitValue(fir::FirOpBuilder &builder,
|
|
mlir::Location loc, mlir::Type ty,
|
|
mlir::acc::ReductionOperator op) {
|
|
if (op == mlir::acc::ReductionOperator::AccLand ||
|
|
op == mlir::acc::ReductionOperator::AccLor ||
|
|
op == mlir::acc::ReductionOperator::AccEqv ||
|
|
op == mlir::acc::ReductionOperator::AccNeqv) {
|
|
assert(mlir::isa<fir::LogicalType>(ty) && "expect fir.logical type");
|
|
bool value = true; // .true. for .and. and .eqv.
|
|
if (op == mlir::acc::ReductionOperator::AccLor ||
|
|
op == mlir::acc::ReductionOperator::AccNeqv)
|
|
value = false; // .false. for .or. and .neqv.
|
|
return builder.createBool(loc, value);
|
|
}
|
|
if (ty.isIntOrIndex())
|
|
return builder.create<mlir::arith::ConstantOp>(
|
|
loc, ty,
|
|
builder.getIntegerAttr(ty, getReductionInitValue<llvm::APInt>(op, ty)));
|
|
if (op == mlir::acc::ReductionOperator::AccMin ||
|
|
op == mlir::acc::ReductionOperator::AccMax) {
|
|
if (mlir::isa<fir::ComplexType>(ty))
|
|
llvm::report_fatal_error(
|
|
"min/max reduction not supported for complex type");
|
|
if (auto floatTy = mlir::dyn_cast_or_null<mlir::FloatType>(ty))
|
|
return builder.create<mlir::arith::ConstantOp>(
|
|
loc, ty,
|
|
builder.getFloatAttr(ty,
|
|
getReductionInitValue<llvm::APFloat>(op, ty)));
|
|
} else if (auto floatTy = mlir::dyn_cast_or_null<mlir::FloatType>(ty)) {
|
|
return builder.create<mlir::arith::ConstantOp>(
|
|
loc, ty,
|
|
builder.getFloatAttr(ty, getReductionInitValue<int64_t>(op, ty)));
|
|
} else if (auto cmplxTy = mlir::dyn_cast_or_null<fir::ComplexType>(ty)) {
|
|
mlir::Type floatTy =
|
|
Fortran::lower::convertReal(builder.getContext(), cmplxTy.getFKind());
|
|
mlir::Value realInit = builder.createRealConstant(
|
|
loc, floatTy, getReductionInitValue<int64_t>(op, cmplxTy));
|
|
mlir::Value imagInit = builder.createRealConstant(loc, floatTy, 0.0);
|
|
return fir::factory::Complex{builder, loc}.createComplex(
|
|
cmplxTy.getFKind(), realInit, imagInit);
|
|
}
|
|
if (auto refTy = mlir::dyn_cast<fir::ReferenceType>(ty)) {
|
|
if (auto seqTy = mlir::dyn_cast<fir::SequenceType>(refTy.getEleTy())) {
|
|
mlir::Type vecTy =
|
|
mlir::VectorType::get(seqTy.getShape(), seqTy.getEleTy());
|
|
auto shTy = vecTy.cast<mlir::ShapedType>();
|
|
if (seqTy.getEleTy().isIntOrIndex())
|
|
return builder.create<mlir::arith::ConstantOp>(
|
|
loc, vecTy,
|
|
mlir::DenseElementsAttr::get(
|
|
shTy,
|
|
getReductionInitValue<llvm::APInt>(op, seqTy.getEleTy())));
|
|
if (mlir::isa<mlir::FloatType>(seqTy.getEleTy()))
|
|
return builder.create<mlir::arith::ConstantOp>(
|
|
loc, vecTy,
|
|
mlir::DenseElementsAttr::get(
|
|
shTy,
|
|
getReductionInitValue<llvm::APFloat>(op, seqTy.getEleTy())));
|
|
}
|
|
}
|
|
|
|
llvm::report_fatal_error("Unsupported OpenACC reduction type");
|
|
}
|
|
|
|
template <typename Op>
|
|
static mlir::Value genLogicalCombiner(fir::FirOpBuilder &builder,
|
|
mlir::Location loc, mlir::Value value1,
|
|
mlir::Value value2) {
|
|
mlir::Type i1 = builder.getI1Type();
|
|
mlir::Value v1 = builder.create<fir::ConvertOp>(loc, i1, value1);
|
|
mlir::Value v2 = builder.create<fir::ConvertOp>(loc, i1, value2);
|
|
mlir::Value add = builder.create<Op>(loc, v1, v2);
|
|
return builder.create<fir::ConvertOp>(loc, value1.getType(), add);
|
|
}
|
|
|
|
static mlir::Value genComparisonCombiner(fir::FirOpBuilder &builder,
|
|
mlir::Location loc,
|
|
mlir::arith::CmpIPredicate pred,
|
|
mlir::Value value1,
|
|
mlir::Value value2) {
|
|
mlir::Type i1 = builder.getI1Type();
|
|
mlir::Value v1 = builder.create<fir::ConvertOp>(loc, i1, value1);
|
|
mlir::Value v2 = builder.create<fir::ConvertOp>(loc, i1, value2);
|
|
mlir::Value add = builder.create<mlir::arith::CmpIOp>(loc, pred, v1, v2);
|
|
return builder.create<fir::ConvertOp>(loc, value1.getType(), add);
|
|
}
|
|
|
|
static mlir::Value genCombiner(fir::FirOpBuilder &builder, mlir::Location loc,
|
|
mlir::acc::ReductionOperator op, mlir::Type ty,
|
|
mlir::Value value1, mlir::Value value2) {
|
|
|
|
// Handle combiner on arrays.
|
|
if (auto refTy = mlir::dyn_cast<fir::ReferenceType>(ty)) {
|
|
if (auto seqTy = mlir::dyn_cast<fir::SequenceType>(refTy.getEleTy())) {
|
|
if (seqTy.hasDynamicExtents())
|
|
TODO(loc, "OpenACC reduction on array with dynamic extents");
|
|
mlir::Type idxTy = builder.getIndexType();
|
|
mlir::Type refTy = fir::ReferenceType::get(seqTy.getEleTy());
|
|
|
|
llvm::SmallVector<fir::DoLoopOp> loops;
|
|
llvm::SmallVector<mlir::Value> ivs;
|
|
for (auto ext : llvm::reverse(seqTy.getShape())) {
|
|
auto lb = builder.create<mlir::arith::ConstantOp>(
|
|
loc, idxTy, builder.getIntegerAttr(idxTy, 0));
|
|
auto ub = builder.create<mlir::arith::ConstantOp>(
|
|
loc, idxTy, builder.getIntegerAttr(idxTy, ext - 1));
|
|
auto step = builder.create<mlir::arith::ConstantOp>(
|
|
loc, idxTy, builder.getIntegerAttr(idxTy, 1));
|
|
auto loop = builder.create<fir::DoLoopOp>(loc, lb, ub, step,
|
|
/*unordered=*/false);
|
|
builder.setInsertionPointToStart(loop.getBody());
|
|
loops.push_back(loop);
|
|
ivs.push_back(loop.getInductionVar());
|
|
}
|
|
auto addr1 = builder.create<fir::CoordinateOp>(loc, refTy, value1, ivs);
|
|
auto addr2 = builder.create<fir::CoordinateOp>(loc, refTy, value2, ivs);
|
|
auto load1 = builder.create<fir::LoadOp>(loc, addr1);
|
|
auto load2 = builder.create<fir::LoadOp>(loc, addr2);
|
|
auto combined =
|
|
genCombiner(builder, loc, op, seqTy.getEleTy(), load1, load2);
|
|
builder.create<fir::StoreOp>(loc, combined, addr1);
|
|
builder.setInsertionPointAfter(loops[0]);
|
|
return value1;
|
|
}
|
|
}
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccAdd) {
|
|
if (ty.isIntOrIndex())
|
|
return builder.create<mlir::arith::AddIOp>(loc, value1, value2);
|
|
if (mlir::isa<mlir::FloatType>(ty))
|
|
return builder.create<mlir::arith::AddFOp>(loc, value1, value2);
|
|
if (auto cmplxTy = mlir::dyn_cast_or_null<fir::ComplexType>(ty))
|
|
return builder.create<fir::AddcOp>(loc, value1, value2);
|
|
TODO(loc, "reduction add type");
|
|
}
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccMul) {
|
|
if (ty.isIntOrIndex())
|
|
return builder.create<mlir::arith::MulIOp>(loc, value1, value2);
|
|
if (mlir::isa<mlir::FloatType>(ty))
|
|
return builder.create<mlir::arith::MulFOp>(loc, value1, value2);
|
|
if (mlir::isa<fir::ComplexType>(ty))
|
|
return builder.create<fir::MulcOp>(loc, value1, value2);
|
|
TODO(loc, "reduction mul type");
|
|
}
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccMin)
|
|
return fir::genMin(builder, loc, {value1, value2});
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccMax)
|
|
return fir::genMax(builder, loc, {value1, value2});
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccIand)
|
|
return builder.create<mlir::arith::AndIOp>(loc, value1, value2);
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccIor)
|
|
return builder.create<mlir::arith::OrIOp>(loc, value1, value2);
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccXor)
|
|
return builder.create<mlir::arith::XOrIOp>(loc, value1, value2);
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccLand)
|
|
return genLogicalCombiner<mlir::arith::AndIOp>(builder, loc, value1,
|
|
value2);
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccLor)
|
|
return genLogicalCombiner<mlir::arith::OrIOp>(builder, loc, value1, value2);
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccEqv)
|
|
return genComparisonCombiner(builder, loc, mlir::arith::CmpIPredicate::eq,
|
|
value1, value2);
|
|
|
|
if (op == mlir::acc::ReductionOperator::AccNeqv)
|
|
return genComparisonCombiner(builder, loc, mlir::arith::CmpIPredicate::ne,
|
|
value1, value2);
|
|
|
|
TODO(loc, "reduction operator");
|
|
}
|
|
|
|
mlir::acc::ReductionRecipeOp Fortran::lower::createOrGetReductionRecipe(
|
|
fir::FirOpBuilder &builder, llvm::StringRef recipeName, mlir::Location loc,
|
|
mlir::Type ty, mlir::acc::ReductionOperator op) {
|
|
mlir::ModuleOp mod =
|
|
builder.getBlock()->getParent()->getParentOfType<mlir::ModuleOp>();
|
|
if (auto recipe = mod.lookupSymbol<mlir::acc::ReductionRecipeOp>(recipeName))
|
|
return recipe;
|
|
|
|
auto crtPos = builder.saveInsertionPoint();
|
|
mlir::OpBuilder modBuilder(mod.getBodyRegion());
|
|
auto recipe =
|
|
modBuilder.create<mlir::acc::ReductionRecipeOp>(loc, recipeName, ty, op);
|
|
builder.createBlock(&recipe.getInitRegion(), recipe.getInitRegion().end(),
|
|
{ty}, {loc});
|
|
builder.setInsertionPointToEnd(&recipe.getInitRegion().back());
|
|
mlir::Value initValue = genReductionInitValue(builder, loc, ty, op);
|
|
builder.create<mlir::acc::YieldOp>(loc, initValue);
|
|
|
|
builder.createBlock(&recipe.getCombinerRegion(),
|
|
recipe.getCombinerRegion().end(), {ty, ty}, {loc, loc});
|
|
builder.setInsertionPointToEnd(&recipe.getCombinerRegion().back());
|
|
mlir::Value v1 = recipe.getCombinerRegion().front().getArgument(0);
|
|
mlir::Value v2 = recipe.getCombinerRegion().front().getArgument(1);
|
|
mlir::Value combinedValue = genCombiner(builder, loc, op, ty, v1, v2);
|
|
builder.create<mlir::acc::YieldOp>(loc, combinedValue);
|
|
builder.restoreInsertionPoint(crtPos);
|
|
return recipe;
|
|
}
|
|
|
|
static void
|
|
genReductions(const Fortran::parser::AccObjectListWithReduction &objectList,
|
|
Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
llvm::SmallVectorImpl<mlir::Value> &reductionOperands,
|
|
llvm::SmallVector<mlir::Attribute> &reductionRecipes) {
|
|
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
|
|
const auto &objects = std::get<Fortran::parser::AccObjectList>(objectList.t);
|
|
const auto &op =
|
|
std::get<Fortran::parser::AccReductionOperator>(objectList.t);
|
|
mlir::acc::ReductionOperator mlirOp = getReductionOperator(op);
|
|
for (const auto &accObject : objects.v) {
|
|
llvm::SmallVector<mlir::Value> bounds;
|
|
std::stringstream asFortran;
|
|
mlir::Location operandLocation = genOperandLocation(converter, accObject);
|
|
mlir::Value baseAddr = gatherDataOperandAddrAndBounds(
|
|
converter, builder, semanticsContext, stmtCtx, accObject,
|
|
operandLocation, asFortran, bounds);
|
|
|
|
mlir::Type reductionTy = fir::unwrapRefType(baseAddr.getType());
|
|
if (auto seqTy = mlir::dyn_cast<fir::SequenceType>(reductionTy))
|
|
reductionTy = seqTy.getEleTy();
|
|
|
|
if (!fir::isa_trivial(reductionTy))
|
|
TODO(operandLocation, "reduction with unsupported type");
|
|
|
|
auto op = createDataEntryOp<mlir::acc::ReductionOp>(
|
|
builder, operandLocation, baseAddr, asFortran, bounds,
|
|
/*structured=*/true, mlir::acc::DataClause::acc_reduction,
|
|
baseAddr.getType());
|
|
mlir::Type ty = fir::unwrapRefType(op.getAccPtr().getType());
|
|
if (!fir::isa_trivial(ty))
|
|
ty = baseAddr.getType();
|
|
std::string recipeName = fir::getTypeAsString(
|
|
ty, converter.getKindMap(),
|
|
("reduction_" + stringifyReductionOperator(mlirOp)).str());
|
|
mlir::acc::ReductionRecipeOp recipe =
|
|
Fortran::lower::createOrGetReductionRecipe(builder, recipeName,
|
|
operandLocation, ty, mlirOp);
|
|
reductionRecipes.push_back(mlir::SymbolRefAttr::get(
|
|
builder.getContext(), recipe.getSymName().str()));
|
|
reductionOperands.push_back(op.getAccPtr());
|
|
}
|
|
}
|
|
|
|
static void
|
|
addOperands(llvm::SmallVectorImpl<mlir::Value> &operands,
|
|
llvm::SmallVectorImpl<int32_t> &operandSegments,
|
|
const llvm::SmallVectorImpl<mlir::Value> &clauseOperands) {
|
|
operands.append(clauseOperands.begin(), clauseOperands.end());
|
|
operandSegments.push_back(clauseOperands.size());
|
|
}
|
|
|
|
static void addOperand(llvm::SmallVectorImpl<mlir::Value> &operands,
|
|
llvm::SmallVectorImpl<int32_t> &operandSegments,
|
|
const mlir::Value &clauseOperand) {
|
|
if (clauseOperand) {
|
|
operands.push_back(clauseOperand);
|
|
operandSegments.push_back(1);
|
|
} else {
|
|
operandSegments.push_back(0);
|
|
}
|
|
}
|
|
|
|
template <typename Op, typename Terminator>
|
|
static Op
|
|
createRegionOp(fir::FirOpBuilder &builder, mlir::Location loc,
|
|
const llvm::SmallVectorImpl<mlir::Value> &operands,
|
|
const llvm::SmallVectorImpl<int32_t> &operandSegments) {
|
|
llvm::ArrayRef<mlir::Type> argTy;
|
|
Op op = builder.create<Op>(loc, argTy, operands);
|
|
builder.createBlock(&op.getRegion());
|
|
mlir::Block &block = op.getRegion().back();
|
|
builder.setInsertionPointToStart(&block);
|
|
builder.create<Terminator>(loc);
|
|
|
|
op->setAttr(Op::getOperandSegmentSizeAttr(),
|
|
builder.getDenseI32ArrayAttr(operandSegments));
|
|
|
|
// Place the insertion point to the start of the first block.
|
|
builder.setInsertionPointToStart(&block);
|
|
|
|
return op;
|
|
}
|
|
|
|
template <typename Op>
|
|
static Op
|
|
createSimpleOp(fir::FirOpBuilder &builder, mlir::Location loc,
|
|
const llvm::SmallVectorImpl<mlir::Value> &operands,
|
|
const llvm::SmallVectorImpl<int32_t> &operandSegments) {
|
|
llvm::ArrayRef<mlir::Type> argTy;
|
|
Op op = builder.create<Op>(loc, argTy, operands);
|
|
op->setAttr(Op::getOperandSegmentSizeAttr(),
|
|
builder.getDenseI32ArrayAttr(operandSegments));
|
|
return op;
|
|
}
|
|
|
|
static void genAsyncClause(Fortran::lower::AbstractConverter &converter,
|
|
const Fortran::parser::AccClause::Async *asyncClause,
|
|
mlir::Value &async, bool &addAsyncAttr,
|
|
Fortran::lower::StatementContext &stmtCtx) {
|
|
const auto &asyncClauseValue = asyncClause->v;
|
|
if (asyncClauseValue) { // async has a value.
|
|
async = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(*asyncClauseValue), stmtCtx));
|
|
} else {
|
|
addAsyncAttr = true;
|
|
}
|
|
}
|
|
|
|
static void genDeviceTypeClause(
|
|
Fortran::lower::AbstractConverter &converter, mlir::Location clauseLocation,
|
|
const Fortran::parser::AccClause::DeviceType *deviceTypeClause,
|
|
llvm::SmallVectorImpl<mlir::Value> &operands,
|
|
Fortran::lower::StatementContext &stmtCtx) {
|
|
const Fortran::parser::AccDeviceTypeExprList &deviceTypeExprList =
|
|
deviceTypeClause->v;
|
|
for (const auto &deviceTypeExpr : deviceTypeExprList.v) {
|
|
const auto &expr = std::get<std::optional<Fortran::parser::ScalarIntExpr>>(
|
|
deviceTypeExpr.t);
|
|
if (expr) {
|
|
operands.push_back(fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(expr), stmtCtx, &clauseLocation)));
|
|
} else {
|
|
// * was passed as value and will be represented as a special constant.
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
mlir::Value star = firOpBuilder.createIntegerConstant(
|
|
clauseLocation, firOpBuilder.getIndexType(), starCst);
|
|
operands.push_back(star);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void genIfClause(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location clauseLocation,
|
|
const Fortran::parser::AccClause::If *ifClause,
|
|
mlir::Value &ifCond,
|
|
Fortran::lower::StatementContext &stmtCtx) {
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
mlir::Value cond = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(ifClause->v), stmtCtx, &clauseLocation));
|
|
ifCond = firOpBuilder.createConvert(clauseLocation, firOpBuilder.getI1Type(),
|
|
cond);
|
|
}
|
|
|
|
static void genWaitClause(Fortran::lower::AbstractConverter &converter,
|
|
const Fortran::parser::AccClause::Wait *waitClause,
|
|
llvm::SmallVectorImpl<mlir::Value> &operands,
|
|
mlir::Value &waitDevnum, bool &addWaitAttr,
|
|
Fortran::lower::StatementContext &stmtCtx) {
|
|
const auto &waitClauseValue = waitClause->v;
|
|
if (waitClauseValue) { // wait has a value.
|
|
const Fortran::parser::AccWaitArgument &waitArg = *waitClauseValue;
|
|
const auto &waitList =
|
|
std::get<std::list<Fortran::parser::ScalarIntExpr>>(waitArg.t);
|
|
for (const Fortran::parser::ScalarIntExpr &value : waitList) {
|
|
mlir::Value v = fir::getBase(
|
|
converter.genExprValue(*Fortran::semantics::GetExpr(value), stmtCtx));
|
|
operands.push_back(v);
|
|
}
|
|
|
|
const auto &waitDevnumValue =
|
|
std::get<std::optional<Fortran::parser::ScalarIntExpr>>(waitArg.t);
|
|
if (waitDevnumValue)
|
|
waitDevnum = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(*waitDevnumValue), stmtCtx));
|
|
} else {
|
|
addWaitAttr = true;
|
|
}
|
|
}
|
|
|
|
static mlir::acc::LoopOp
|
|
createLoopOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
|
|
|
|
mlir::Value workerNum;
|
|
mlir::Value vectorNum;
|
|
mlir::Value gangNum;
|
|
mlir::Value gangDim;
|
|
mlir::Value gangStatic;
|
|
llvm::SmallVector<mlir::Value, 2> tileOperands, privateOperands,
|
|
reductionOperands;
|
|
llvm::SmallVector<mlir::Attribute> privatizations, reductionRecipes;
|
|
bool hasGang = false, hasVector = false, hasWorker = false;
|
|
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *gangClause =
|
|
std::get_if<Fortran::parser::AccClause::Gang>(&clause.u)) {
|
|
if (gangClause->v) {
|
|
const Fortran::parser::AccGangArgList &x = *gangClause->v;
|
|
for (const Fortran::parser::AccGangArg &gangArg : x.v) {
|
|
if (const auto *num =
|
|
std::get_if<Fortran::parser::AccGangArg::Num>(&gangArg.u)) {
|
|
gangNum = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(num->v), stmtCtx));
|
|
} else if (const auto *staticArg =
|
|
std::get_if<Fortran::parser::AccGangArg::Static>(
|
|
&gangArg.u)) {
|
|
const Fortran::parser::AccSizeExpr &sizeExpr = staticArg->v;
|
|
if (sizeExpr.v) {
|
|
gangStatic = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(*sizeExpr.v), stmtCtx));
|
|
} else {
|
|
// * was passed as value and will be represented as a special
|
|
// constant.
|
|
gangStatic = builder.createIntegerConstant(
|
|
clauseLocation, builder.getIndexType(), starCst);
|
|
}
|
|
} else if (const auto *dim =
|
|
std::get_if<Fortran::parser::AccGangArg::Dim>(
|
|
&gangArg.u)) {
|
|
gangDim = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(dim->v), stmtCtx));
|
|
}
|
|
}
|
|
}
|
|
hasGang = true;
|
|
} else if (const auto *workerClause =
|
|
std::get_if<Fortran::parser::AccClause::Worker>(&clause.u)) {
|
|
if (workerClause->v) {
|
|
workerNum = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(*workerClause->v), stmtCtx));
|
|
}
|
|
hasWorker = true;
|
|
} else if (const auto *vectorClause =
|
|
std::get_if<Fortran::parser::AccClause::Vector>(&clause.u)) {
|
|
if (vectorClause->v) {
|
|
vectorNum = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(*vectorClause->v), stmtCtx));
|
|
}
|
|
hasVector = true;
|
|
} else if (const auto *tileClause =
|
|
std::get_if<Fortran::parser::AccClause::Tile>(&clause.u)) {
|
|
const Fortran::parser::AccTileExprList &accTileExprList = tileClause->v;
|
|
for (const auto &accTileExpr : accTileExprList.v) {
|
|
const auto &expr =
|
|
std::get<std::optional<Fortran::parser::ScalarIntConstantExpr>>(
|
|
accTileExpr.t);
|
|
if (expr) {
|
|
tileOperands.push_back(fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(*expr), stmtCtx)));
|
|
} else {
|
|
// * was passed as value and will be represented as a -1 constant
|
|
// integer.
|
|
mlir::Value tileStar = builder.createIntegerConstant(
|
|
clauseLocation, builder.getIntegerType(32),
|
|
/* STAR */ -1);
|
|
tileOperands.push_back(tileStar);
|
|
}
|
|
}
|
|
} else if (const auto *privateClause =
|
|
std::get_if<Fortran::parser::AccClause::Private>(
|
|
&clause.u)) {
|
|
genPrivatizations<mlir::acc::PrivateRecipeOp>(
|
|
privateClause->v, converter, semanticsContext, stmtCtx,
|
|
privateOperands, privatizations);
|
|
} else if (const auto *reductionClause =
|
|
std::get_if<Fortran::parser::AccClause::Reduction>(
|
|
&clause.u)) {
|
|
genReductions(reductionClause->v, converter, semanticsContext, stmtCtx,
|
|
reductionOperands, reductionRecipes);
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segment size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value> operands;
|
|
llvm::SmallVector<int32_t> operandSegments;
|
|
addOperand(operands, operandSegments, gangNum);
|
|
addOperand(operands, operandSegments, gangDim);
|
|
addOperand(operands, operandSegments, gangStatic);
|
|
addOperand(operands, operandSegments, workerNum);
|
|
addOperand(operands, operandSegments, vectorNum);
|
|
addOperands(operands, operandSegments, tileOperands);
|
|
addOperands(operands, operandSegments, privateOperands);
|
|
addOperands(operands, operandSegments, reductionOperands);
|
|
|
|
auto loopOp = createRegionOp<mlir::acc::LoopOp, mlir::acc::YieldOp>(
|
|
builder, currentLocation, operands, operandSegments);
|
|
|
|
if (hasGang)
|
|
loopOp.setHasGangAttr(builder.getUnitAttr());
|
|
if (hasWorker)
|
|
loopOp.setHasWorkerAttr(builder.getUnitAttr());
|
|
if (hasVector)
|
|
loopOp.setHasVectorAttr(builder.getUnitAttr());
|
|
|
|
if (!privatizations.empty())
|
|
loopOp.setPrivatizationsAttr(
|
|
mlir::ArrayAttr::get(builder.getContext(), privatizations));
|
|
|
|
if (!reductionRecipes.empty())
|
|
loopOp.setReductionRecipesAttr(
|
|
mlir::ArrayAttr::get(builder.getContext(), reductionRecipes));
|
|
|
|
// Lower clauses mapped to attributes
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *collapseClause =
|
|
std::get_if<Fortran::parser::AccClause::Collapse>(&clause.u)) {
|
|
const Fortran::parser::AccCollapseArg &arg = collapseClause->v;
|
|
const auto &force = std::get<bool>(arg.t);
|
|
if (force)
|
|
TODO(clauseLocation, "OpenACC collapse force modifier");
|
|
const auto &intExpr =
|
|
std::get<Fortran::parser::ScalarIntConstantExpr>(arg.t);
|
|
const auto *expr = Fortran::semantics::GetExpr(intExpr);
|
|
const std::optional<int64_t> collapseValue =
|
|
Fortran::evaluate::ToInt64(*expr);
|
|
if (collapseValue) {
|
|
loopOp.setCollapseAttr(builder.getI64IntegerAttr(*collapseValue));
|
|
}
|
|
} else if (std::get_if<Fortran::parser::AccClause::Seq>(&clause.u)) {
|
|
loopOp.setSeqAttr(builder.getUnitAttr());
|
|
} else if (std::get_if<Fortran::parser::AccClause::Independent>(
|
|
&clause.u)) {
|
|
loopOp.setIndependentAttr(builder.getUnitAttr());
|
|
} else if (std::get_if<Fortran::parser::AccClause::Auto>(&clause.u)) {
|
|
loopOp->setAttr(mlir::acc::LoopOp::getAutoAttrStrName(),
|
|
builder.getUnitAttr());
|
|
}
|
|
}
|
|
return loopOp;
|
|
}
|
|
|
|
static void genACC(Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCLoopConstruct &loopConstruct) {
|
|
|
|
const auto &beginLoopDirective =
|
|
std::get<Fortran::parser::AccBeginLoopDirective>(loopConstruct.t);
|
|
const auto &loopDirective =
|
|
std::get<Fortran::parser::AccLoopDirective>(beginLoopDirective.t);
|
|
|
|
mlir::Location currentLocation =
|
|
converter.genLocation(beginLoopDirective.source);
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
if (loopDirective.v == llvm::acc::ACCD_loop) {
|
|
const auto &accClauseList =
|
|
std::get<Fortran::parser::AccClauseList>(beginLoopDirective.t);
|
|
createLoopOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
}
|
|
}
|
|
|
|
template <typename Op, typename Clause>
|
|
static void genDataOperandOperationsWithModifier(
|
|
const Clause *x, Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier mod,
|
|
llvm::SmallVectorImpl<mlir::Value> &dataClauseOperands,
|
|
const mlir::acc::DataClause clause,
|
|
const mlir::acc::DataClause clauseWithModifier) {
|
|
const Fortran::parser::AccObjectListWithModifier &listWithModifier = x->v;
|
|
const auto &accObjectList =
|
|
std::get<Fortran::parser::AccObjectList>(listWithModifier.t);
|
|
const auto &modifier =
|
|
std::get<std::optional<Fortran::parser::AccDataModifier>>(
|
|
listWithModifier.t);
|
|
mlir::acc::DataClause dataClause =
|
|
(modifier && (*modifier).v == mod) ? clauseWithModifier : clause;
|
|
genDataOperandOperations<Op>(accObjectList, converter, semanticsContext,
|
|
stmtCtx, dataClauseOperands, dataClause,
|
|
/*structured=*/true);
|
|
}
|
|
|
|
template <typename Op>
|
|
static Op
|
|
createComputeOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
|
|
// Parallel operation operands
|
|
mlir::Value async;
|
|
mlir::Value numWorkers;
|
|
mlir::Value vectorLength;
|
|
mlir::Value ifCond;
|
|
mlir::Value selfCond;
|
|
mlir::Value waitDevnum;
|
|
llvm::SmallVector<mlir::Value> waitOperands, attachEntryOperands,
|
|
copyEntryOperands, copyoutEntryOperands, createEntryOperands,
|
|
dataClauseOperands, numGangs;
|
|
|
|
llvm::SmallVector<mlir::Value> reductionOperands, privateOperands,
|
|
firstprivateOperands;
|
|
llvm::SmallVector<mlir::Attribute> privatizations, firstPrivatizations,
|
|
reductionRecipes;
|
|
|
|
// Async, wait and self clause have optional values but can be present with
|
|
// no value as well. When there is no value, the op has an attribute to
|
|
// represent the clause.
|
|
bool addAsyncAttr = false;
|
|
bool addWaitAttr = false;
|
|
bool addSelfAttr = false;
|
|
|
|
bool hasDefaultNone = false;
|
|
bool hasDefaultPresent = false;
|
|
|
|
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separatly as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
} else if (const auto *waitClause =
|
|
std::get_if<Fortran::parser::AccClause::Wait>(&clause.u)) {
|
|
genWaitClause(converter, waitClause, waitOperands, waitDevnum,
|
|
addWaitAttr, stmtCtx);
|
|
} else if (const auto *numGangsClause =
|
|
std::get_if<Fortran::parser::AccClause::NumGangs>(
|
|
&clause.u)) {
|
|
for (const Fortran::parser::ScalarIntExpr &expr : numGangsClause->v)
|
|
numGangs.push_back(fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(expr), stmtCtx)));
|
|
} else if (const auto *numWorkersClause =
|
|
std::get_if<Fortran::parser::AccClause::NumWorkers>(
|
|
&clause.u)) {
|
|
numWorkers = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(numWorkersClause->v), stmtCtx));
|
|
} else if (const auto *vectorLengthClause =
|
|
std::get_if<Fortran::parser::AccClause::VectorLength>(
|
|
&clause.u)) {
|
|
vectorLength = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(vectorLengthClause->v), stmtCtx));
|
|
} else if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *selfClause =
|
|
std::get_if<Fortran::parser::AccClause::Self>(&clause.u)) {
|
|
const std::optional<Fortran::parser::AccSelfClause> &accSelfClause =
|
|
selfClause->v;
|
|
if (accSelfClause) {
|
|
if (const auto *optCondition =
|
|
std::get_if<std::optional<Fortran::parser::ScalarLogicalExpr>>(
|
|
&(*accSelfClause).u)) {
|
|
if (*optCondition) {
|
|
mlir::Value cond = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(*optCondition), stmtCtx));
|
|
selfCond = builder.createConvert(clauseLocation,
|
|
builder.getI1Type(), cond);
|
|
}
|
|
} else if (const auto *accClauseList =
|
|
std::get_if<Fortran::parser::AccObjectList>(
|
|
&(*accSelfClause).u)) {
|
|
// TODO This would be nicer to be done in canonicalization step.
|
|
if (accClauseList->v.size() == 1) {
|
|
const auto &accObject = accClauseList->v.front();
|
|
if (const auto *designator =
|
|
std::get_if<Fortran::parser::Designator>(&accObject.u)) {
|
|
if (const auto *name =
|
|
Fortran::semantics::getDesignatorNameIfDataRef(
|
|
*designator)) {
|
|
auto cond = converter.getSymbolAddress(*name->symbol);
|
|
selfCond = builder.createConvert(clauseLocation,
|
|
builder.getI1Type(), cond);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
addSelfAttr = true;
|
|
}
|
|
} else if (const auto *copyClause =
|
|
std::get_if<Fortran::parser::AccClause::Copy>(&clause.u)) {
|
|
auto crtDataStart = dataClauseOperands.size();
|
|
genDataOperandOperations<mlir::acc::CopyinOp>(
|
|
copyClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_copy,
|
|
/*structured=*/true);
|
|
copyEntryOperands.append(dataClauseOperands.begin() + crtDataStart,
|
|
dataClauseOperands.end());
|
|
} else if (const auto *copyinClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyin>(&clause.u)) {
|
|
genDataOperandOperationsWithModifier<mlir::acc::CopyinOp,
|
|
Fortran::parser::AccClause::Copyin>(
|
|
copyinClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::ReadOnly,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_copyin,
|
|
mlir::acc::DataClause::acc_copyin_readonly);
|
|
} else if (const auto *copyoutClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyout>(
|
|
&clause.u)) {
|
|
auto crtDataStart = dataClauseOperands.size();
|
|
genDataOperandOperationsWithModifier<mlir::acc::CreateOp,
|
|
Fortran::parser::AccClause::Copyout>(
|
|
copyoutClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::ReadOnly,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_copyout,
|
|
mlir::acc::DataClause::acc_copyout_zero);
|
|
copyoutEntryOperands.append(dataClauseOperands.begin() + crtDataStart,
|
|
dataClauseOperands.end());
|
|
} else if (const auto *createClause =
|
|
std::get_if<Fortran::parser::AccClause::Create>(&clause.u)) {
|
|
auto crtDataStart = dataClauseOperands.size();
|
|
genDataOperandOperationsWithModifier<mlir::acc::CreateOp,
|
|
Fortran::parser::AccClause::Create>(
|
|
createClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::Zero, dataClauseOperands,
|
|
mlir::acc::DataClause::acc_create,
|
|
mlir::acc::DataClause::acc_create_zero);
|
|
createEntryOperands.append(dataClauseOperands.begin() + crtDataStart,
|
|
dataClauseOperands.end());
|
|
} else if (const auto *noCreateClause =
|
|
std::get_if<Fortran::parser::AccClause::NoCreate>(
|
|
&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::NoCreateOp>(
|
|
noCreateClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_no_create,
|
|
/*structured=*/true);
|
|
} else if (const auto *presentClause =
|
|
std::get_if<Fortran::parser::AccClause::Present>(
|
|
&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::PresentOp>(
|
|
presentClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_present,
|
|
/*structured=*/true);
|
|
} else if (const auto *devicePtrClause =
|
|
std::get_if<Fortran::parser::AccClause::Deviceptr>(
|
|
&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::DevicePtrOp>(
|
|
devicePtrClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_deviceptr,
|
|
/*structured=*/true);
|
|
} else if (const auto *attachClause =
|
|
std::get_if<Fortran::parser::AccClause::Attach>(&clause.u)) {
|
|
auto crtDataStart = dataClauseOperands.size();
|
|
genDataOperandOperations<mlir::acc::AttachOp>(
|
|
attachClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_attach,
|
|
/*structured=*/true);
|
|
attachEntryOperands.append(dataClauseOperands.begin() + crtDataStart,
|
|
dataClauseOperands.end());
|
|
} else if (const auto *privateClause =
|
|
std::get_if<Fortran::parser::AccClause::Private>(
|
|
&clause.u)) {
|
|
genPrivatizations<mlir::acc::PrivateRecipeOp>(
|
|
privateClause->v, converter, semanticsContext, stmtCtx,
|
|
privateOperands, privatizations);
|
|
} else if (const auto *firstprivateClause =
|
|
std::get_if<Fortran::parser::AccClause::Firstprivate>(
|
|
&clause.u)) {
|
|
genPrivatizations<mlir::acc::FirstprivateRecipeOp>(
|
|
firstprivateClause->v, converter, semanticsContext, stmtCtx,
|
|
firstprivateOperands, firstPrivatizations);
|
|
} else if (const auto *reductionClause =
|
|
std::get_if<Fortran::parser::AccClause::Reduction>(
|
|
&clause.u)) {
|
|
genReductions(reductionClause->v, converter, semanticsContext, stmtCtx,
|
|
reductionOperands, reductionRecipes);
|
|
} else if (const auto *defaultClause =
|
|
std::get_if<Fortran::parser::AccClause::Default>(
|
|
&clause.u)) {
|
|
if ((defaultClause->v).v == llvm::acc::DefaultValue::ACC_Default_none)
|
|
hasDefaultNone = true;
|
|
else if ((defaultClause->v).v ==
|
|
llvm::acc::DefaultValue::ACC_Default_present)
|
|
hasDefaultPresent = true;
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segment size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value, 8> operands;
|
|
llvm::SmallVector<int32_t, 8> operandSegments;
|
|
addOperand(operands, operandSegments, async);
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
if constexpr (!std::is_same_v<Op, mlir::acc::SerialOp>) {
|
|
addOperands(operands, operandSegments, numGangs);
|
|
addOperand(operands, operandSegments, numWorkers);
|
|
addOperand(operands, operandSegments, vectorLength);
|
|
}
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperand(operands, operandSegments, selfCond);
|
|
if constexpr (!std::is_same_v<Op, mlir::acc::KernelsOp>) {
|
|
addOperands(operands, operandSegments, reductionOperands);
|
|
addOperands(operands, operandSegments, privateOperands);
|
|
addOperands(operands, operandSegments, firstprivateOperands);
|
|
}
|
|
addOperands(operands, operandSegments, dataClauseOperands);
|
|
|
|
Op computeOp;
|
|
if constexpr (std::is_same_v<Op, mlir::acc::KernelsOp>)
|
|
computeOp = createRegionOp<Op, mlir::acc::TerminatorOp>(
|
|
builder, currentLocation, operands, operandSegments);
|
|
else
|
|
computeOp = createRegionOp<Op, mlir::acc::YieldOp>(
|
|
builder, currentLocation, operands, operandSegments);
|
|
|
|
if (addAsyncAttr)
|
|
computeOp.setAsyncAttrAttr(builder.getUnitAttr());
|
|
if (addWaitAttr)
|
|
computeOp.setWaitAttrAttr(builder.getUnitAttr());
|
|
if (addSelfAttr)
|
|
computeOp.setSelfAttrAttr(builder.getUnitAttr());
|
|
|
|
if (hasDefaultNone)
|
|
computeOp.setDefaultAttr(mlir::acc::ClauseDefaultValue::None);
|
|
if (hasDefaultPresent)
|
|
computeOp.setDefaultAttr(mlir::acc::ClauseDefaultValue::Present);
|
|
|
|
if constexpr (!std::is_same_v<Op, mlir::acc::KernelsOp>) {
|
|
if (!privatizations.empty())
|
|
computeOp.setPrivatizationsAttr(
|
|
mlir::ArrayAttr::get(builder.getContext(), privatizations));
|
|
if (!reductionRecipes.empty())
|
|
computeOp.setReductionRecipesAttr(
|
|
mlir::ArrayAttr::get(builder.getContext(), reductionRecipes));
|
|
if (!firstPrivatizations.empty())
|
|
computeOp.setFirstprivatizationsAttr(
|
|
mlir::ArrayAttr::get(builder.getContext(), firstPrivatizations));
|
|
}
|
|
|
|
auto insPt = builder.saveInsertionPoint();
|
|
builder.setInsertionPointAfter(computeOp);
|
|
|
|
// Create the exit operations after the region.
|
|
genDataExitOperations<mlir::acc::CopyinOp, mlir::acc::CopyoutOp>(
|
|
builder, copyEntryOperands, /*structured=*/true, /*implicit=*/false);
|
|
genDataExitOperations<mlir::acc::CreateOp, mlir::acc::CopyoutOp>(
|
|
builder, copyoutEntryOperands, /*structured=*/true, /*implicit=*/false);
|
|
genDataExitOperations<mlir::acc::AttachOp, mlir::acc::DetachOp>(
|
|
builder, attachEntryOperands, /*structured=*/true, /*implicit=*/false);
|
|
genDataExitOperations<mlir::acc::CreateOp, mlir::acc::DeleteOp>(
|
|
builder, createEntryOperands, /*structured=*/true, /*implicit=*/false);
|
|
|
|
builder.restoreInsertionPoint(insPt);
|
|
return computeOp;
|
|
}
|
|
|
|
static void genACCDataOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond, async, waitDevnum;
|
|
llvm::SmallVector<mlir::Value> attachEntryOperands, createEntryOperands,
|
|
copyEntryOperands, copyoutEntryOperands, dataClauseOperands, waitOperands;
|
|
|
|
// Async and wait have an optional value but can be present with
|
|
// no value as well. When there is no value, the op has an attribute to
|
|
// represent the clause.
|
|
bool addAsyncAttr = false;
|
|
bool addWaitAttr = false;
|
|
|
|
bool hasDefaultNone = false;
|
|
bool hasDefaultPresent = false;
|
|
|
|
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separately as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *copyClause =
|
|
std::get_if<Fortran::parser::AccClause::Copy>(&clause.u)) {
|
|
auto crtDataStart = dataClauseOperands.size();
|
|
genDataOperandOperations<mlir::acc::CopyinOp>(
|
|
copyClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_copy,
|
|
/*structured=*/true);
|
|
copyEntryOperands.append(dataClauseOperands.begin() + crtDataStart,
|
|
dataClauseOperands.end());
|
|
} else if (const auto *copyinClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyin>(&clause.u)) {
|
|
genDataOperandOperationsWithModifier<mlir::acc::CopyinOp,
|
|
Fortran::parser::AccClause::Copyin>(
|
|
copyinClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::ReadOnly,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_copyin,
|
|
mlir::acc::DataClause::acc_copyin_readonly);
|
|
} else if (const auto *copyoutClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyout>(
|
|
&clause.u)) {
|
|
auto crtDataStart = dataClauseOperands.size();
|
|
genDataOperandOperationsWithModifier<mlir::acc::CreateOp,
|
|
Fortran::parser::AccClause::Copyout>(
|
|
copyoutClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::Zero, dataClauseOperands,
|
|
mlir::acc::DataClause::acc_copyout,
|
|
mlir::acc::DataClause::acc_copyout_zero);
|
|
copyoutEntryOperands.append(dataClauseOperands.begin() + crtDataStart,
|
|
dataClauseOperands.end());
|
|
} else if (const auto *createClause =
|
|
std::get_if<Fortran::parser::AccClause::Create>(&clause.u)) {
|
|
auto crtDataStart = dataClauseOperands.size();
|
|
genDataOperandOperationsWithModifier<mlir::acc::CreateOp,
|
|
Fortran::parser::AccClause::Create>(
|
|
createClause, converter, semanticsContext, stmtCtx,
|
|
Fortran::parser::AccDataModifier::Modifier::Zero, dataClauseOperands,
|
|
mlir::acc::DataClause::acc_create,
|
|
mlir::acc::DataClause::acc_create_zero);
|
|
createEntryOperands.append(dataClauseOperands.begin() + crtDataStart,
|
|
dataClauseOperands.end());
|
|
} else if (const auto *noCreateClause =
|
|
std::get_if<Fortran::parser::AccClause::NoCreate>(
|
|
&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::NoCreateOp>(
|
|
noCreateClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_no_create,
|
|
/*structured=*/true);
|
|
} else if (const auto *presentClause =
|
|
std::get_if<Fortran::parser::AccClause::Present>(
|
|
&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::PresentOp>(
|
|
presentClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_present,
|
|
/*structured=*/true);
|
|
} else if (const auto *deviceptrClause =
|
|
std::get_if<Fortran::parser::AccClause::Deviceptr>(
|
|
&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::DevicePtrOp>(
|
|
deviceptrClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_deviceptr,
|
|
/*structured=*/true);
|
|
} else if (const auto *attachClause =
|
|
std::get_if<Fortran::parser::AccClause::Attach>(&clause.u)) {
|
|
auto crtDataStart = dataClauseOperands.size();
|
|
genDataOperandOperations<mlir::acc::AttachOp>(
|
|
attachClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_attach,
|
|
/*structured=*/true);
|
|
attachEntryOperands.append(dataClauseOperands.begin() + crtDataStart,
|
|
dataClauseOperands.end());
|
|
} else if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
} else if (const auto *waitClause =
|
|
std::get_if<Fortran::parser::AccClause::Wait>(&clause.u)) {
|
|
genWaitClause(converter, waitClause, waitOperands, waitDevnum,
|
|
addWaitAttr, stmtCtx);
|
|
} else if(const auto *defaultClause =
|
|
std::get_if<Fortran::parser::AccClause::Default>(&clause.u)) {
|
|
if ((defaultClause->v).v == llvm::acc::DefaultValue::ACC_Default_none)
|
|
hasDefaultNone = true;
|
|
else if ((defaultClause->v).v == llvm::acc::DefaultValue::ACC_Default_present)
|
|
hasDefaultPresent = true;
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segment size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value> operands;
|
|
llvm::SmallVector<int32_t> operandSegments;
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperand(operands, operandSegments, async);
|
|
addOperand(operands, operandSegments, waitDevnum);
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
addOperands(operands, operandSegments, dataClauseOperands);
|
|
|
|
auto dataOp = createRegionOp<mlir::acc::DataOp, mlir::acc::TerminatorOp>(
|
|
builder, currentLocation, operands, operandSegments);
|
|
|
|
dataOp.setAsyncAttr(addAsyncAttr);
|
|
dataOp.setWaitAttr(addWaitAttr);
|
|
|
|
if (hasDefaultNone)
|
|
dataOp.setDefaultAttr(mlir::acc::ClauseDefaultValue::None);
|
|
if (hasDefaultPresent)
|
|
dataOp.setDefaultAttr(mlir::acc::ClauseDefaultValue::Present);
|
|
|
|
auto insPt = builder.saveInsertionPoint();
|
|
builder.setInsertionPointAfter(dataOp);
|
|
|
|
// Create the exit operations after the region.
|
|
genDataExitOperations<mlir::acc::CopyinOp, mlir::acc::CopyoutOp>(
|
|
builder, copyEntryOperands, /*structured=*/true, /*implicit=*/false);
|
|
genDataExitOperations<mlir::acc::CreateOp, mlir::acc::CopyoutOp>(
|
|
builder, copyoutEntryOperands, /*structured=*/true, /*implicit=*/false);
|
|
genDataExitOperations<mlir::acc::AttachOp, mlir::acc::DetachOp>(
|
|
builder, attachEntryOperands, /*structured=*/true, /*implicit=*/false);
|
|
genDataExitOperations<mlir::acc::CreateOp, mlir::acc::DeleteOp>(
|
|
builder, createEntryOperands, /*structured=*/true, /*implicit=*/false);
|
|
|
|
builder.restoreInsertionPoint(insPt);
|
|
}
|
|
|
|
static void
|
|
genACCHostDataOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond;
|
|
llvm::SmallVector<mlir::Value> dataOperands;
|
|
bool addIfPresentAttr = false;
|
|
|
|
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
|
|
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *useDevice =
|
|
std::get_if<Fortran::parser::AccClause::UseDevice>(
|
|
&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::UseDeviceOp>(
|
|
useDevice->v, converter, semanticsContext, stmtCtx, dataOperands,
|
|
mlir::acc::DataClause::acc_use_device,
|
|
/*structured=*/true);
|
|
} else if (std::get_if<Fortran::parser::AccClause::IfPresent>(&clause.u)) {
|
|
addIfPresentAttr = true;
|
|
}
|
|
}
|
|
|
|
if (ifCond) {
|
|
if (auto cst =
|
|
mlir::dyn_cast<mlir::arith::ConstantOp>(ifCond.getDefiningOp()))
|
|
if (auto boolAttr = cst.getValue().dyn_cast<mlir::BoolAttr>()) {
|
|
if (boolAttr.getValue()) {
|
|
// get rid of the if condition if it is always true.
|
|
ifCond = mlir::Value();
|
|
} else {
|
|
// Do not generate the acc.host_data op if the if condition is always
|
|
// false.
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segment size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value> operands;
|
|
llvm::SmallVector<int32_t> operandSegments;
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperands(operands, operandSegments, dataOperands);
|
|
|
|
auto hostDataOp =
|
|
createRegionOp<mlir::acc::HostDataOp, mlir::acc::TerminatorOp>(
|
|
builder, currentLocation, operands, operandSegments);
|
|
|
|
if (addIfPresentAttr)
|
|
hostDataOp.setIfPresentAttr(builder.getUnitAttr());
|
|
}
|
|
|
|
static void
|
|
genACC(Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCBlockConstruct &blockConstruct) {
|
|
const auto &beginBlockDirective =
|
|
std::get<Fortran::parser::AccBeginBlockDirective>(blockConstruct.t);
|
|
const auto &blockDirective =
|
|
std::get<Fortran::parser::AccBlockDirective>(beginBlockDirective.t);
|
|
const auto &accClauseList =
|
|
std::get<Fortran::parser::AccClauseList>(beginBlockDirective.t);
|
|
|
|
mlir::Location currentLocation = converter.genLocation(blockDirective.source);
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
if (blockDirective.v == llvm::acc::ACCD_parallel) {
|
|
createComputeOp<mlir::acc::ParallelOp>(
|
|
converter, currentLocation, semanticsContext, stmtCtx, accClauseList);
|
|
} else if (blockDirective.v == llvm::acc::ACCD_data) {
|
|
genACCDataOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
} else if (blockDirective.v == llvm::acc::ACCD_serial) {
|
|
createComputeOp<mlir::acc::SerialOp>(
|
|
converter, currentLocation, semanticsContext, stmtCtx, accClauseList);
|
|
} else if (blockDirective.v == llvm::acc::ACCD_kernels) {
|
|
createComputeOp<mlir::acc::KernelsOp>(
|
|
converter, currentLocation, semanticsContext, stmtCtx, accClauseList);
|
|
} else if (blockDirective.v == llvm::acc::ACCD_host_data) {
|
|
genACCHostDataOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
}
|
|
}
|
|
|
|
static void
|
|
genACC(Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCCombinedConstruct &combinedConstruct) {
|
|
const auto &beginCombinedDirective =
|
|
std::get<Fortran::parser::AccBeginCombinedDirective>(combinedConstruct.t);
|
|
const auto &combinedDirective =
|
|
std::get<Fortran::parser::AccCombinedDirective>(beginCombinedDirective.t);
|
|
const auto &accClauseList =
|
|
std::get<Fortran::parser::AccClauseList>(beginCombinedDirective.t);
|
|
|
|
mlir::Location currentLocation =
|
|
converter.genLocation(beginCombinedDirective.source);
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
if (combinedDirective.v == llvm::acc::ACCD_kernels_loop) {
|
|
createComputeOp<mlir::acc::KernelsOp>(
|
|
converter, currentLocation, semanticsContext, stmtCtx, accClauseList);
|
|
createLoopOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
} else if (combinedDirective.v == llvm::acc::ACCD_parallel_loop) {
|
|
createComputeOp<mlir::acc::ParallelOp>(
|
|
converter, currentLocation, semanticsContext, stmtCtx, accClauseList);
|
|
createLoopOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
} else if (combinedDirective.v == llvm::acc::ACCD_serial_loop) {
|
|
createComputeOp<mlir::acc::SerialOp>(
|
|
converter, currentLocation, semanticsContext, stmtCtx, accClauseList);
|
|
createLoopOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
} else {
|
|
llvm::report_fatal_error("Unknown combined construct encountered");
|
|
}
|
|
}
|
|
|
|
static void
|
|
genACCEnterDataOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond, async, waitDevnum;
|
|
llvm::SmallVector<mlir::Value> waitOperands, dataClauseOperands;
|
|
|
|
// Async, wait and self clause have optional values but can be present with
|
|
// no value as well. When there is no value, the op has an attribute to
|
|
// represent the clause.
|
|
bool addAsyncAttr = false;
|
|
bool addWaitAttr = false;
|
|
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separately as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
} else if (const auto *waitClause =
|
|
std::get_if<Fortran::parser::AccClause::Wait>(&clause.u)) {
|
|
genWaitClause(converter, waitClause, waitOperands, waitDevnum,
|
|
addWaitAttr, stmtCtx);
|
|
} else if (const auto *copyinClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyin>(&clause.u)) {
|
|
const Fortran::parser::AccObjectListWithModifier &listWithModifier =
|
|
copyinClause->v;
|
|
const auto &accObjectList =
|
|
std::get<Fortran::parser::AccObjectList>(listWithModifier.t);
|
|
genDataOperandOperations<mlir::acc::CopyinOp>(
|
|
accObjectList, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_copyin, false);
|
|
} else if (const auto *createClause =
|
|
std::get_if<Fortran::parser::AccClause::Create>(&clause.u)) {
|
|
const Fortran::parser::AccObjectListWithModifier &listWithModifier =
|
|
createClause->v;
|
|
const auto &accObjectList =
|
|
std::get<Fortran::parser::AccObjectList>(listWithModifier.t);
|
|
const auto &modifier =
|
|
std::get<std::optional<Fortran::parser::AccDataModifier>>(
|
|
listWithModifier.t);
|
|
mlir::acc::DataClause clause = mlir::acc::DataClause::acc_create;
|
|
if (modifier &&
|
|
(*modifier).v == Fortran::parser::AccDataModifier::Modifier::Zero)
|
|
clause = mlir::acc::DataClause::acc_create_zero;
|
|
genDataOperandOperations<mlir::acc::CreateOp>(
|
|
accObjectList, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, clause, false);
|
|
} else if (const auto *attachClause =
|
|
std::get_if<Fortran::parser::AccClause::Attach>(&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::AttachOp>(
|
|
attachClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_attach, false);
|
|
} else {
|
|
llvm::report_fatal_error(
|
|
"Unknown clause in ENTER DATA directive lowering");
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segment size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value, 16> operands;
|
|
llvm::SmallVector<int32_t, 8> operandSegments;
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperand(operands, operandSegments, async);
|
|
addOperand(operands, operandSegments, waitDevnum);
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
addOperands(operands, operandSegments, dataClauseOperands);
|
|
|
|
mlir::acc::EnterDataOp enterDataOp = createSimpleOp<mlir::acc::EnterDataOp>(
|
|
firOpBuilder, currentLocation, operands, operandSegments);
|
|
|
|
if (addAsyncAttr)
|
|
enterDataOp.setAsyncAttr(firOpBuilder.getUnitAttr());
|
|
if (addWaitAttr)
|
|
enterDataOp.setWaitAttr(firOpBuilder.getUnitAttr());
|
|
}
|
|
|
|
static void
|
|
genACCExitDataOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond, async, waitDevnum;
|
|
llvm::SmallVector<mlir::Value> waitOperands, dataClauseOperands,
|
|
copyoutOperands, deleteOperands, detachOperands;
|
|
|
|
// Async and wait clause have optional values but can be present with
|
|
// no value as well. When there is no value, the op has an attribute to
|
|
// represent the clause.
|
|
bool addAsyncAttr = false;
|
|
bool addWaitAttr = false;
|
|
bool addFinalizeAttr = false;
|
|
|
|
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separately as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
} else if (const auto *waitClause =
|
|
std::get_if<Fortran::parser::AccClause::Wait>(&clause.u)) {
|
|
genWaitClause(converter, waitClause, waitOperands, waitDevnum,
|
|
addWaitAttr, stmtCtx);
|
|
} else if (const auto *copyoutClause =
|
|
std::get_if<Fortran::parser::AccClause::Copyout>(
|
|
&clause.u)) {
|
|
const Fortran::parser::AccObjectListWithModifier &listWithModifier =
|
|
copyoutClause->v;
|
|
const auto &accObjectList =
|
|
std::get<Fortran::parser::AccObjectList>(listWithModifier.t);
|
|
genDataOperandOperations<mlir::acc::GetDevicePtrOp>(
|
|
accObjectList, converter, semanticsContext, stmtCtx, copyoutOperands,
|
|
mlir::acc::DataClause::acc_copyout, false);
|
|
} else if (const auto *deleteClause =
|
|
std::get_if<Fortran::parser::AccClause::Delete>(&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::GetDevicePtrOp>(
|
|
deleteClause->v, converter, semanticsContext, stmtCtx, deleteOperands,
|
|
mlir::acc::DataClause::acc_delete, false);
|
|
} else if (const auto *detachClause =
|
|
std::get_if<Fortran::parser::AccClause::Detach>(&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::GetDevicePtrOp>(
|
|
detachClause->v, converter, semanticsContext, stmtCtx, detachOperands,
|
|
mlir::acc::DataClause::acc_detach, false);
|
|
} else if (std::get_if<Fortran::parser::AccClause::Finalize>(&clause.u)) {
|
|
addFinalizeAttr = true;
|
|
}
|
|
}
|
|
|
|
dataClauseOperands.append(copyoutOperands);
|
|
dataClauseOperands.append(deleteOperands);
|
|
dataClauseOperands.append(detachOperands);
|
|
|
|
// Prepare the operand segment size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value, 14> operands;
|
|
llvm::SmallVector<int32_t, 7> operandSegments;
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperand(operands, operandSegments, async);
|
|
addOperand(operands, operandSegments, waitDevnum);
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
addOperands(operands, operandSegments, dataClauseOperands);
|
|
|
|
mlir::acc::ExitDataOp exitDataOp = createSimpleOp<mlir::acc::ExitDataOp>(
|
|
builder, currentLocation, operands, operandSegments);
|
|
|
|
if (addAsyncAttr)
|
|
exitDataOp.setAsyncAttr(builder.getUnitAttr());
|
|
if (addWaitAttr)
|
|
exitDataOp.setWaitAttr(builder.getUnitAttr());
|
|
if (addFinalizeAttr)
|
|
exitDataOp.setFinalizeAttr(builder.getUnitAttr());
|
|
|
|
genDataExitOperations<mlir::acc::GetDevicePtrOp, mlir::acc::CopyoutOp>(
|
|
builder, copyoutOperands, /*structured=*/false, /*implicit=*/false);
|
|
genDataExitOperations<mlir::acc::GetDevicePtrOp, mlir::acc::DeleteOp>(
|
|
builder, deleteOperands, /*structured=*/false, /*implicit=*/false);
|
|
genDataExitOperations<mlir::acc::GetDevicePtrOp, mlir::acc::DetachOp>(
|
|
builder, detachOperands, /*structured=*/false, /*implicit=*/false);
|
|
}
|
|
|
|
template <typename Op>
|
|
static void
|
|
genACCInitShutdownOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond, deviceNum;
|
|
llvm::SmallVector<mlir::Value> deviceTypeOperands;
|
|
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separately as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *deviceNumClause =
|
|
std::get_if<Fortran::parser::AccClause::DeviceNum>(
|
|
&clause.u)) {
|
|
deviceNum = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(deviceNumClause->v), stmtCtx));
|
|
} else if (const auto *deviceTypeClause =
|
|
std::get_if<Fortran::parser::AccClause::DeviceType>(
|
|
&clause.u)) {
|
|
genDeviceTypeClause(converter, clauseLocation, deviceTypeClause,
|
|
deviceTypeOperands, stmtCtx);
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segment size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value, 6> operands;
|
|
llvm::SmallVector<int32_t, 3> operandSegments;
|
|
addOperands(operands, operandSegments, deviceTypeOperands);
|
|
addOperand(operands, operandSegments, deviceNum);
|
|
addOperand(operands, operandSegments, ifCond);
|
|
|
|
createSimpleOp<Op>(firOpBuilder, currentLocation, operands, operandSegments);
|
|
}
|
|
|
|
static void
|
|
genACCUpdateOp(Fortran::lower::AbstractConverter &converter,
|
|
mlir::Location currentLocation,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::StatementContext &stmtCtx,
|
|
const Fortran::parser::AccClauseList &accClauseList) {
|
|
mlir::Value ifCond, async, waitDevnum;
|
|
llvm::SmallVector<mlir::Value> dataClauseOperands, updateHostOperands,
|
|
waitOperands, deviceTypeOperands;
|
|
|
|
// Async and wait clause have optional values but can be present with
|
|
// no value as well. When there is no value, the op has an attribute to
|
|
// represent the clause.
|
|
bool addAsyncAttr = false;
|
|
bool addWaitAttr = false;
|
|
bool addIfPresentAttr = false;
|
|
|
|
fir::FirOpBuilder &builder = converter.getFirOpBuilder();
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separately as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
} else if (const auto *waitClause =
|
|
std::get_if<Fortran::parser::AccClause::Wait>(&clause.u)) {
|
|
genWaitClause(converter, waitClause, waitOperands, waitDevnum,
|
|
addWaitAttr, stmtCtx);
|
|
} else if (const auto *deviceTypeClause =
|
|
std::get_if<Fortran::parser::AccClause::DeviceType>(
|
|
&clause.u)) {
|
|
genDeviceTypeClause(converter, clauseLocation, deviceTypeClause,
|
|
deviceTypeOperands, stmtCtx);
|
|
} else if (const auto *hostClause =
|
|
std::get_if<Fortran::parser::AccClause::Host>(&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::GetDevicePtrOp>(
|
|
hostClause->v, converter, semanticsContext, stmtCtx,
|
|
updateHostOperands, mlir::acc::DataClause::acc_update_host, false);
|
|
} else if (const auto *deviceClause =
|
|
std::get_if<Fortran::parser::AccClause::Device>(&clause.u)) {
|
|
genDataOperandOperations<mlir::acc::UpdateDeviceOp>(
|
|
deviceClause->v, converter, semanticsContext, stmtCtx,
|
|
dataClauseOperands, mlir::acc::DataClause::acc_update_device, false);
|
|
} else if (std::get_if<Fortran::parser::AccClause::IfPresent>(&clause.u)) {
|
|
addIfPresentAttr = true;
|
|
} else if (const auto *selfClause =
|
|
std::get_if<Fortran::parser::AccClause::Self>(&clause.u)) {
|
|
const std::optional<Fortran::parser::AccSelfClause> &accSelfClause =
|
|
selfClause->v;
|
|
const auto *accObjectList =
|
|
std::get_if<Fortran::parser::AccObjectList>(&(*accSelfClause).u);
|
|
assert(accObjectList && "expect AccObjectList");
|
|
genDataOperandOperations<mlir::acc::GetDevicePtrOp>(
|
|
*accObjectList, converter, semanticsContext, stmtCtx,
|
|
updateHostOperands, mlir::acc::DataClause::acc_update_self, false);
|
|
}
|
|
}
|
|
|
|
dataClauseOperands.append(updateHostOperands);
|
|
|
|
// Prepare the operand segment size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value> operands;
|
|
llvm::SmallVector<int32_t> operandSegments;
|
|
addOperand(operands, operandSegments, ifCond);
|
|
addOperand(operands, operandSegments, async);
|
|
addOperand(operands, operandSegments, waitDevnum);
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
addOperands(operands, operandSegments, deviceTypeOperands);
|
|
addOperands(operands, operandSegments, dataClauseOperands);
|
|
|
|
mlir::acc::UpdateOp updateOp = createSimpleOp<mlir::acc::UpdateOp>(
|
|
builder, currentLocation, operands, operandSegments);
|
|
|
|
genDataExitOperations<mlir::acc::GetDevicePtrOp, mlir::acc::UpdateHostOp>(
|
|
builder, updateHostOperands, /*structured=*/false, /*implicit=*/false);
|
|
|
|
if (addAsyncAttr)
|
|
updateOp.setAsyncAttr(builder.getUnitAttr());
|
|
if (addWaitAttr)
|
|
updateOp.setWaitAttr(builder.getUnitAttr());
|
|
if (addIfPresentAttr)
|
|
updateOp.setIfPresentAttr(builder.getUnitAttr());
|
|
}
|
|
|
|
static void
|
|
genACC(Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCStandaloneConstruct &standaloneConstruct) {
|
|
const auto &standaloneDirective =
|
|
std::get<Fortran::parser::AccStandaloneDirective>(standaloneConstruct.t);
|
|
const auto &accClauseList =
|
|
std::get<Fortran::parser::AccClauseList>(standaloneConstruct.t);
|
|
|
|
mlir::Location currentLocation =
|
|
converter.genLocation(standaloneDirective.source);
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
if (standaloneDirective.v == llvm::acc::Directive::ACCD_enter_data) {
|
|
genACCEnterDataOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
} else if (standaloneDirective.v == llvm::acc::Directive::ACCD_exit_data) {
|
|
genACCExitDataOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
} else if (standaloneDirective.v == llvm::acc::Directive::ACCD_init) {
|
|
genACCInitShutdownOp<mlir::acc::InitOp>(converter, currentLocation,
|
|
accClauseList);
|
|
} else if (standaloneDirective.v == llvm::acc::Directive::ACCD_shutdown) {
|
|
genACCInitShutdownOp<mlir::acc::ShutdownOp>(converter, currentLocation,
|
|
accClauseList);
|
|
} else if (standaloneDirective.v == llvm::acc::Directive::ACCD_set) {
|
|
TODO(currentLocation, "OpenACC set directive not lowered yet!");
|
|
} else if (standaloneDirective.v == llvm::acc::Directive::ACCD_update) {
|
|
genACCUpdateOp(converter, currentLocation, semanticsContext, stmtCtx,
|
|
accClauseList);
|
|
}
|
|
}
|
|
|
|
static void genACC(Fortran::lower::AbstractConverter &converter,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCWaitConstruct &waitConstruct) {
|
|
|
|
const auto &waitArgument =
|
|
std::get<std::optional<Fortran::parser::AccWaitArgument>>(
|
|
waitConstruct.t);
|
|
const auto &accClauseList =
|
|
std::get<Fortran::parser::AccClauseList>(waitConstruct.t);
|
|
|
|
mlir::Value ifCond, waitDevnum, async;
|
|
llvm::SmallVector<mlir::Value> waitOperands;
|
|
|
|
// Async clause have optional values but can be present with
|
|
// no value as well. When there is no value, the op has an attribute to
|
|
// represent the clause.
|
|
bool addAsyncAttr = false;
|
|
|
|
fir::FirOpBuilder &firOpBuilder = converter.getFirOpBuilder();
|
|
mlir::Location currentLocation = converter.genLocation(waitConstruct.source);
|
|
Fortran::lower::StatementContext stmtCtx;
|
|
|
|
if (waitArgument) { // wait has a value.
|
|
const Fortran::parser::AccWaitArgument &waitArg = *waitArgument;
|
|
const auto &waitList =
|
|
std::get<std::list<Fortran::parser::ScalarIntExpr>>(waitArg.t);
|
|
for (const Fortran::parser::ScalarIntExpr &value : waitList) {
|
|
mlir::Value v = fir::getBase(
|
|
converter.genExprValue(*Fortran::semantics::GetExpr(value), stmtCtx));
|
|
waitOperands.push_back(v);
|
|
}
|
|
|
|
const auto &waitDevnumValue =
|
|
std::get<std::optional<Fortran::parser::ScalarIntExpr>>(waitArg.t);
|
|
if (waitDevnumValue)
|
|
waitDevnum = fir::getBase(converter.genExprValue(
|
|
*Fortran::semantics::GetExpr(*waitDevnumValue), stmtCtx));
|
|
}
|
|
|
|
// Lower clauses values mapped to operands.
|
|
// Keep track of each group of operands separately as clauses can appear
|
|
// more than once.
|
|
for (const Fortran::parser::AccClause &clause : accClauseList.v) {
|
|
mlir::Location clauseLocation = converter.genLocation(clause.source);
|
|
if (const auto *ifClause =
|
|
std::get_if<Fortran::parser::AccClause::If>(&clause.u)) {
|
|
genIfClause(converter, clauseLocation, ifClause, ifCond, stmtCtx);
|
|
} else if (const auto *asyncClause =
|
|
std::get_if<Fortran::parser::AccClause::Async>(&clause.u)) {
|
|
genAsyncClause(converter, asyncClause, async, addAsyncAttr, stmtCtx);
|
|
}
|
|
}
|
|
|
|
// Prepare the operand segment size attribute and the operands value range.
|
|
llvm::SmallVector<mlir::Value> operands;
|
|
llvm::SmallVector<int32_t> operandSegments;
|
|
addOperands(operands, operandSegments, waitOperands);
|
|
addOperand(operands, operandSegments, async);
|
|
addOperand(operands, operandSegments, waitDevnum);
|
|
addOperand(operands, operandSegments, ifCond);
|
|
|
|
mlir::acc::WaitOp waitOp = createSimpleOp<mlir::acc::WaitOp>(
|
|
firOpBuilder, currentLocation, operands, operandSegments);
|
|
|
|
if (addAsyncAttr)
|
|
waitOp.setAsyncAttr(firOpBuilder.getUnitAttr());
|
|
}
|
|
|
|
void Fortran::lower::genOpenACCConstruct(
|
|
Fortran::lower::AbstractConverter &converter,
|
|
Fortran::semantics::SemanticsContext &semanticsContext,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCConstruct &accConstruct) {
|
|
|
|
std::visit(
|
|
common::visitors{
|
|
[&](const Fortran::parser::OpenACCBlockConstruct &blockConstruct) {
|
|
genACC(converter, semanticsContext, eval, blockConstruct);
|
|
},
|
|
[&](const Fortran::parser::OpenACCCombinedConstruct
|
|
&combinedConstruct) {
|
|
genACC(converter, semanticsContext, eval, combinedConstruct);
|
|
},
|
|
[&](const Fortran::parser::OpenACCLoopConstruct &loopConstruct) {
|
|
genACC(converter, semanticsContext, eval, loopConstruct);
|
|
},
|
|
[&](const Fortran::parser::OpenACCStandaloneConstruct
|
|
&standaloneConstruct) {
|
|
genACC(converter, semanticsContext, eval, standaloneConstruct);
|
|
},
|
|
[&](const Fortran::parser::OpenACCCacheConstruct &cacheConstruct) {
|
|
TODO(converter.genLocation(cacheConstruct.source),
|
|
"OpenACC Cache construct not lowered yet!");
|
|
},
|
|
[&](const Fortran::parser::OpenACCWaitConstruct &waitConstruct) {
|
|
genACC(converter, eval, waitConstruct);
|
|
},
|
|
[&](const Fortran::parser::OpenACCAtomicConstruct &atomicConstruct) {
|
|
TODO(converter.genLocation(atomicConstruct.source),
|
|
"OpenACC Atomic construct not lowered yet!");
|
|
},
|
|
},
|
|
accConstruct.u);
|
|
}
|
|
|
|
void Fortran::lower::genOpenACCDeclarativeConstruct(
|
|
Fortran::lower::AbstractConverter &converter,
|
|
Fortran::lower::pft::Evaluation &eval,
|
|
const Fortran::parser::OpenACCDeclarativeConstruct &accDeclConstruct) {
|
|
|
|
std::visit(
|
|
common::visitors{
|
|
[&](const Fortran::parser::OpenACCStandaloneDeclarativeConstruct
|
|
&standaloneDeclarativeConstruct) {
|
|
TODO(converter.genLocation(standaloneDeclarativeConstruct.source),
|
|
"OpenACC Standalone Declarative construct not lowered yet!");
|
|
},
|
|
[&](const Fortran::parser::OpenACCRoutineConstruct
|
|
&routineConstruct) {
|
|
TODO(converter.genLocation(routineConstruct.source),
|
|
"OpenACC Routine construct not lowered yet!");
|
|
},
|
|
},
|
|
accDeclConstruct.u);
|
|
}
|