71 lines
2.7 KiB
C++
71 lines
2.7 KiB
C++
//===- TestAvailability.cpp - Test pass for setting Entry point ABI info --===//
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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 pass that sets the spirv.entry_point_abi attribute on
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// functions that are to be lowered as entry point functions.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Dialect/GPU/IR/GPUDialect.h"
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#include "mlir/Dialect/SPIRV/IR/SPIRVDialect.h"
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#include "mlir/Dialect/SPIRV/IR/TargetAndABI.h"
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#include "mlir/Pass/Pass.h"
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using namespace mlir;
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namespace {
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/// Pass to set the spirv.entry_point_abi
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struct TestSpirvEntryPointABIPass
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: public PassWrapper<TestSpirvEntryPointABIPass,
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OperationPass<gpu::GPUModuleOp>> {
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MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestSpirvEntryPointABIPass)
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StringRef getArgument() const final { return "test-spirv-entry-point-abi"; }
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StringRef getDescription() const final {
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return "Set the spirv.entry_point_abi attribute on GPU kernel function "
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"within the "
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"module, intended for testing only";
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}
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void getDependentDialects(DialectRegistry ®istry) const override {
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registry.insert<spirv::SPIRVDialect>();
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}
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TestSpirvEntryPointABIPass() = default;
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TestSpirvEntryPointABIPass(const TestSpirvEntryPointABIPass &) {}
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void runOnOperation() override;
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private:
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Pass::ListOption<int32_t> workgroupSize{
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*this, "workgroup-size",
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llvm::cl::desc(
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"Workgroup size to use for all gpu.func kernels in the module, "
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"specified with x-dimension first, y-dimension next and z-dimension "
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"last. Unspecified dimensions will be set to 1")};
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};
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} // namespace
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void TestSpirvEntryPointABIPass::runOnOperation() {
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gpu::GPUModuleOp gpuModule = getOperation();
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MLIRContext *context = &getContext();
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StringRef attrName = spirv::getEntryPointABIAttrName();
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for (gpu::GPUFuncOp gpuFunc : gpuModule.getOps<gpu::GPUFuncOp>()) {
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if (!gpu::GPUDialect::isKernel(gpuFunc) || gpuFunc->getAttr(attrName))
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continue;
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SmallVector<int32_t, 3> workgroupSizeVec(workgroupSize.begin(),
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workgroupSize.end());
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workgroupSizeVec.resize(3, 1);
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gpuFunc->setAttr(attrName,
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spirv::getEntryPointABIAttr(context, workgroupSizeVec));
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}
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}
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namespace mlir {
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void registerTestSpirvEntryPointABIPass() {
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PassRegistration<TestSpirvEntryPointABIPass>();
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}
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} // namespace mlir
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