1 //===- TestConvertGPUKernelToHsaco.cpp - Test gpu kernel hsaco lowering ---===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "mlir/Dialect/GPU/Transforms/Passes.h"
10 #include "mlir/Pass/Pass.h"
11 #include "mlir/Target/LLVMIR/Dialect/ROCDL/ROCDLToLLVMIRTranslation.h"
12 #include "mlir/Target/LLVMIR/Export.h"
13 #include "llvm/Support/TargetSelect.h"
14 
15 using namespace mlir;
16 
17 #if MLIR_ROCM_CONVERSIONS_ENABLED
18 namespace {
19 class TestSerializeToHsacoPass
20     : public PassWrapper<TestSerializeToHsacoPass, gpu::SerializeToBlobPass> {
21 public:
MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestSerializeToHsacoPass)22   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestSerializeToHsacoPass)
23 
24   StringRef getArgument() const final { return "test-gpu-to-hsaco"; }
getDescription() const25   StringRef getDescription() const final {
26     return "Lower GPU kernel function to HSAco binary annotations";
27   }
28   TestSerializeToHsacoPass();
29 
30 private:
31   void getDependentDialects(DialectRegistry &registry) const override;
32 
33   // Serializes ROCDL IR to HSACO.
34   std::unique_ptr<std::vector<char>>
35   serializeISA(const std::string &isa) override;
36 };
37 } // namespace
38 
TestSerializeToHsacoPass()39 TestSerializeToHsacoPass::TestSerializeToHsacoPass() {
40   this->triple = "amdgcn-amd-amdhsa";
41   this->chip = "gfx900";
42 }
43 
getDependentDialects(DialectRegistry & registry) const44 void TestSerializeToHsacoPass::getDependentDialects(
45     DialectRegistry &registry) const {
46   registerROCDLDialectTranslation(registry);
47   gpu::SerializeToBlobPass::getDependentDialects(registry);
48 }
49 
50 std::unique_ptr<std::vector<char>>
serializeISA(const std::string &)51 TestSerializeToHsacoPass::serializeISA(const std::string &) {
52   std::string data = "HSACO";
53   return std::make_unique<std::vector<char>>(data.begin(), data.end());
54 }
55 
56 namespace mlir {
57 namespace test {
58 // Register test pass to serialize GPU module to a HSAco binary annotation.
registerTestGpuSerializeToHsacoPass()59 void registerTestGpuSerializeToHsacoPass() {
60   PassRegistration<TestSerializeToHsacoPass>([] {
61     // Initialize LLVM AMDGPU backend.
62     LLVMInitializeAMDGPUTarget();
63     LLVMInitializeAMDGPUTargetInfo();
64     LLVMInitializeAMDGPUTargetMC();
65     LLVMInitializeAMDGPUAsmPrinter();
66 
67     return std::make_unique<TestSerializeToHsacoPass>();
68   });
69 }
70 } // namespace test
71 } // namespace mlir
72 #endif // MLIR_ROCM_CONVERSIONS_ENABLED
73