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