63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
//===- SPIRVWriterPass.cpp - SPIRV writing pass -----------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// SPIRVWriterPass implementation.
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//
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//===----------------------------------------------------------------------===//
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#include "SPIRVWriterPass.h"
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#include "LLVMSPIRVLib.h"
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#include "llvm/IR/Module.h"
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#include "llvm/IR/PassManager.h"
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#include "llvm/Pass.h"
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using namespace llvm;
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PreservedAnalyses SPIRVWriterPass::run(Module &M) {
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// FIXME: at the moment LLVM/SPIR-V translation errors are ignored.
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std::string Err;
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writeSpirv(&M, Opts, OS, Err);
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return PreservedAnalyses::all();
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}
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namespace {
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class WriteSPIRVPass : public ModulePass {
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std::ostream &OS; // std::ostream to print on
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SPIRV::TranslatorOpts Opts;
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public:
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static char ID; // Pass identification, replacement for typeid
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WriteSPIRVPass(std::ostream &OS, const SPIRV::TranslatorOpts &Opts)
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: ModulePass(ID), OS(OS), Opts(Opts) {}
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StringRef getPassName() const override { return "SPIRV Writer"; }
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bool runOnModule(Module &M) override {
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// FIXME: at the moment LLVM/SPIR-V translation errors are ignored.
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std::string Err;
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writeSpirv(&M, Opts, OS, Err);
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return false;
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}
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};
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} // namespace
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char WriteSPIRVPass::ID = 0;
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ModulePass *llvm::createSPIRVWriterPass(std::ostream &Str) {
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SPIRV::TranslatorOpts DefaultOpts;
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// To preserve old behavior of the translator, let's enable all extensions
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// by default in this API
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DefaultOpts.enableAllExtensions();
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return createSPIRVWriterPass(Str, DefaultOpts);
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}
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ModulePass *llvm::createSPIRVWriterPass(std::ostream &Str,
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const SPIRV::TranslatorOpts &Opts) {
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return new WriteSPIRVPass(Str, Opts);
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}
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