e95e94adc6
This PR massively reorganizes the Test dialect's source files. It moves manually-written op hooks into `TestOpDefs.cpp`, moves format custom directive parsers and printers into `TestFormatUtils`, adds missing comment blocks, and moves around where generated source files are included for types, attributes, enums, etc. into their own source file. This will hopefully help navigate the test dialect source code, but also speeds up compile time of the test dialect by putting generated source files into separate compilation units. This also sets up the test dialect to shard its op definitions, done in the next PR.
140 lines
5.2 KiB
C++
140 lines
5.2 KiB
C++
//===- TestToLLVMIRTranslation.cpp - Translate Test dialect to LLVM IR ----===//
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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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// This file implements a translation between the MLIR Test dialect and LLVM IR.
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//
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//===----------------------------------------------------------------------===//
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#include "TestDialect.h"
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#include "TestOps.h"
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#include "mlir/IR/Builders.h"
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#include "mlir/IR/BuiltinAttributes.h"
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#include "mlir/IR/BuiltinOps.h"
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#include "mlir/Target/LLVMIR/Dialect/Builtin/BuiltinToLLVMIRTranslation.h"
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#include "mlir/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.h"
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#include "mlir/Target/LLVMIR/LLVMTranslationInterface.h"
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#include "mlir/Target/LLVMIR/ModuleTranslation.h"
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#include "mlir/Tools/mlir-translate/Translation.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/ADT/TypeSwitch.h"
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using namespace mlir;
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namespace {
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class TestDialectLLVMIRTranslationInterface
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: public LLVMTranslationDialectInterface {
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public:
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using LLVMTranslationDialectInterface::LLVMTranslationDialectInterface;
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LogicalResult
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amendOperation(Operation *op, ArrayRef<llvm::Instruction *> instructions,
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NamedAttribute attribute,
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LLVM::ModuleTranslation &moduleTranslation) const final;
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LogicalResult
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convertOperation(Operation *op, llvm::IRBuilderBase &builder,
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LLVM::ModuleTranslation &moduleTranslation) const final;
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};
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} // namespace
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LogicalResult TestDialectLLVMIRTranslationInterface::amendOperation(
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Operation *op, ArrayRef<llvm::Instruction *> instructions,
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NamedAttribute attribute,
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LLVM::ModuleTranslation &moduleTranslation) const {
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return llvm::StringSwitch<llvm::function_ref<LogicalResult(Attribute)>>(
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attribute.getName())
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// The `test.discardable_mod_attr` attribute, if present and set to
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// `true`, results in the addition of a `test.symbol` in the module it is
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// attached to with name "sym_from_attr".
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.Case("test.discardable_mod_attr",
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[&](Attribute attr) {
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if (!isa<ModuleOp>(op)) {
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op->emitOpError("attribute 'test.discardable_mod_attr' only "
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"supported in modules");
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return failure();
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}
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bool createSymbol = false;
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if (auto boolAttr = dyn_cast<BoolAttr>(attr))
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createSymbol = boolAttr.getValue();
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if (createSymbol) {
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OpBuilder builder(op->getRegion(0));
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builder.create<test::SymbolOp>(
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op->getLoc(),
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StringAttr::get(op->getContext(), "sym_from_attr"),
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/*sym_visibility=*/nullptr);
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}
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return success();
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})
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.Case("test.add_annotation",
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[&](Attribute attr) {
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for (llvm::Instruction *instruction : instructions) {
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if (auto strAttr = dyn_cast<StringAttr>(attr)) {
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instruction->addAnnotationMetadata("annotation_from_test: " +
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strAttr.getValue().str());
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} else {
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instruction->addAnnotationMetadata("annotation_from_test");
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}
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}
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return success();
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})
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.Default([](Attribute) {
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// Skip other discardable dialect attributes.
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return success();
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})(attribute.getValue());
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}
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LogicalResult TestDialectLLVMIRTranslationInterface::convertOperation(
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Operation *op, llvm::IRBuilderBase &builder,
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LLVM::ModuleTranslation &moduleTranslation) const {
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return llvm::TypeSwitch<Operation *, LogicalResult>(op)
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// `test.symbol`s are translated into global integers in LLVM IR, with a
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// name equal to the symbol they are translated from.
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.Case([&](test::SymbolOp symOp) {
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llvm::Module *mod = moduleTranslation.getLLVMModule();
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llvm::IntegerType *i32Type =
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llvm::IntegerType::get(moduleTranslation.getLLVMContext(), 32);
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mod->getOrInsertGlobal(symOp.getSymName(), i32Type);
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return success();
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})
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.Default([&](Operation *) {
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return op->emitOpError("unsupported translation of test operation");
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});
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}
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namespace mlir {
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void registerTestToLLVMIR() {
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TranslateFromMLIRRegistration registration(
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"test-to-llvmir", "test dialect to LLVM IR",
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[](Operation *op, raw_ostream &output) {
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llvm::LLVMContext llvmContext;
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auto llvmModule = translateModuleToLLVMIR(op, llvmContext);
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if (!llvmModule)
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return failure();
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llvmModule->print(output, nullptr);
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return success();
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},
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[](DialectRegistry ®istry) {
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registry.insert<test::TestDialect>();
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registerBuiltinDialectTranslation(registry);
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registerLLVMDialectTranslation(registry);
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registry.addExtension(
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+[](MLIRContext *ctx, test::TestDialect *dialect) {
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dialect->addInterfaces<TestDialectLLVMIRTranslationInterface>();
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});
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});
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}
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} // namespace mlir
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