07e6c1609d
This patch updates the definition of `omp.wsloop` to enforce the restrictions of a loop wrapper operation. Related tests are updated but this PR on its own will not pass premerge tests. All patches in the stack are needed before it can be compiled and passes tests.
149 lines
6.0 KiB
C
149 lines
6.0 KiB
C
//===- execution_engine.c - Test for the C bindings for the MLIR JIT-------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM
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// 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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/* RUN: mlir-capi-execution-engine-test 2>&1 | FileCheck %s
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*/
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/* REQUIRES: host-supports-jit
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*/
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#include "mlir-c/Conversion.h"
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#include "mlir-c/ExecutionEngine.h"
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#include "mlir-c/IR.h"
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#include "mlir-c/RegisterEverything.h"
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#include <assert.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static void registerAllUpstreamDialects(MlirContext ctx) {
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MlirDialectRegistry registry = mlirDialectRegistryCreate();
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mlirRegisterAllDialects(registry);
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mlirContextAppendDialectRegistry(ctx, registry);
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mlirDialectRegistryDestroy(registry);
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}
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void lowerModuleToLLVM(MlirContext ctx, MlirModule module) {
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MlirPassManager pm = mlirPassManagerCreate(ctx);
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MlirOpPassManager opm = mlirPassManagerGetNestedUnder(
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pm, mlirStringRefCreateFromCString("func.func"));
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mlirPassManagerAddOwnedPass(pm, mlirCreateConversionConvertFuncToLLVMPass());
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mlirOpPassManagerAddOwnedPass(
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opm, mlirCreateConversionArithToLLVMConversionPass());
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MlirLogicalResult status =
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mlirPassManagerRunOnOp(pm, mlirModuleGetOperation(module));
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if (mlirLogicalResultIsFailure(status)) {
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fprintf(stderr, "Unexpected failure running pass pipeline\n");
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exit(2);
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}
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mlirPassManagerDestroy(pm);
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}
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// CHECK-LABEL: Running test 'testSimpleExecution'
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void testSimpleExecution(void) {
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MlirContext ctx = mlirContextCreate();
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registerAllUpstreamDialects(ctx);
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MlirModule module = mlirModuleCreateParse(
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ctx, mlirStringRefCreateFromCString(
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// clang-format off
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"module { \n"
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" func.func @add(%arg0 : i32) -> i32 attributes { llvm.emit_c_interface } { \n"
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" %res = arith.addi %arg0, %arg0 : i32 \n"
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" return %res : i32 \n"
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" } \n"
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"}"));
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// clang-format on
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lowerModuleToLLVM(ctx, module);
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mlirRegisterAllLLVMTranslations(ctx);
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MlirExecutionEngine jit = mlirExecutionEngineCreate(
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module, /*optLevel=*/2, /*numPaths=*/0, /*sharedLibPaths=*/NULL,
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/*enableObjectDump=*/false);
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if (mlirExecutionEngineIsNull(jit)) {
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fprintf(stderr, "Execution engine creation failed");
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exit(2);
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}
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int input = 42;
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int result = -1;
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void *args[2] = {&input, &result};
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if (mlirLogicalResultIsFailure(mlirExecutionEngineInvokePacked(
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jit, mlirStringRefCreateFromCString("add"), args))) {
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fprintf(stderr, "Execution engine creation failed");
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abort();
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}
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// CHECK: Input: 42 Result: 84
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printf("Input: %d Result: %d\n", input, result);
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mlirExecutionEngineDestroy(jit);
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mlirModuleDestroy(module);
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mlirContextDestroy(ctx);
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}
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// CHECK-LABEL: Running test 'testOmpCreation'
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void testOmpCreation(void) {
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MlirContext ctx = mlirContextCreate();
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registerAllUpstreamDialects(ctx);
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MlirModule module = mlirModuleCreateParse(
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ctx, mlirStringRefCreateFromCString(
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// clang-format off
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"module { \n"
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" func.func @main() attributes { llvm.emit_c_interface } { \n"
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" %0 = arith.constant 0 : i32 \n"
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" %1 = arith.constant 1 : i32 \n"
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" %2 = arith.constant 2 : i32 \n"
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" omp.parallel { \n"
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" omp.wsloop { \n"
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" omp.loop_nest (%3) : i32 = (%0) to (%2) step (%1) { \n"
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" omp.yield \n"
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" } \n"
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" omp.terminator \n"
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" } \n"
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" omp.terminator \n"
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" } \n"
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" llvm.return \n"
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" } \n"
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"} \n"
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));
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// clang-format on
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lowerModuleToLLVM(ctx, module);
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// At this point all operations in the MLIR module have been lowered to the
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// 'llvm' dialect except 'omp' operations. The goal of this test is
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// guaranteeing that the execution engine C binding has registered OpenMP
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// translations and therefore does not fail when it encounters 'omp' ops.
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// We don't attempt to run the engine, since that would force us to link
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// against the OpenMP library.
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MlirExecutionEngine jit = mlirExecutionEngineCreate(
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module, /*optLevel=*/2, /*numPaths=*/0, /*sharedLibPaths=*/NULL,
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/*enableObjectDump=*/false);
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if (mlirExecutionEngineIsNull(jit)) {
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fprintf(stderr, "Engine creation failed with OpenMP");
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exit(2);
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}
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// CHECK: Engine creation succeeded with OpenMP
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printf("Engine creation succeeded with OpenMP\n");
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mlirExecutionEngineDestroy(jit);
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mlirModuleDestroy(module);
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mlirContextDestroy(ctx);
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}
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int main(void) {
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#define _STRINGIFY(x) #x
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#define STRINGIFY(x) _STRINGIFY(x)
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#define TEST(test) \
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printf("Running test '" STRINGIFY(test) "'\n"); \
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test();
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TEST(testSimpleExecution);
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TEST(testOmpCreation);
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return 0;
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}
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