8d703af2f8
The original implementation did not map the return value of the intrinsics
call to the result value of the special register op. Uses of the result
value hence hit a nullpointer.
--
PiperOrigin-RevId: 250255436
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
//===- ConvertToNVVMIR.cpp - MLIR to LLVM IR conversion -------------------===//
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//
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// Copyright 2019 The MLIR Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// =============================================================================
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//
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// This file implements a translation between the MLIR LLVM + NVVM dialects and
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// LLVM IR with NVVM intrinsics and metadata.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Target/NVVMIR.h"
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#include "mlir/LLVMIR/NVVMDialect.h"
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#include "mlir/Support/FileUtilities.h"
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#include "mlir/Target/LLVMIR/ModuleTranslation.h"
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#include "mlir/Translation.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Support/ToolOutputFile.h"
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using namespace mlir;
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namespace {
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static llvm::Value *createIntrinsicCall(llvm::IRBuilder<> &builder,
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llvm::Intrinsic::ID intrinsic) {
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llvm::Module *module = builder.GetInsertBlock()->getModule();
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llvm::Function *fn = llvm::Intrinsic::getDeclaration(module, intrinsic, {});
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return builder.CreateCall(fn);
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}
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class ModuleTranslation : public LLVM::ModuleTranslation {
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public:
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explicit ModuleTranslation(Module &module)
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: LLVM::ModuleTranslation(module) {}
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~ModuleTranslation() override {}
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protected:
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bool convertOperation(Operation &opInst,
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llvm::IRBuilder<> &builder) override {
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#include "mlir/LLVMIR/NVVMConversions.inc"
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return LLVM::ModuleTranslation::convertOperation(opInst, builder);
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}
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};
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} // namespace
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std::unique_ptr<llvm::Module> mlir::translateModuleToNVVMIR(Module &m) {
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ModuleTranslation translation(m);
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return LLVM::ModuleTranslation::translateModule<ModuleTranslation>(m);
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}
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static TranslateFromMLIRRegistration registration(
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"mlir-to-nvvmir", [](Module *module, llvm::StringRef outputFilename) {
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if (!module)
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return true;
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auto llvmModule =
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LLVM::ModuleTranslation::translateModule<ModuleTranslation>(*module);
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if (!llvmModule)
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return true;
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auto file = openOutputFile(outputFilename);
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if (!file)
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return true;
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llvmModule->print(file->os(), nullptr);
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file->keep();
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return false;
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});
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