56 lines · cpp
1//===------ DumpModulePass.cpp ----------------------------------*- C++ -*-===//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-exception6//7//===----------------------------------------------------------------------===//8//9// Write a module to a file.10//11//===----------------------------------------------------------------------===//12 13#include "polly/Support/DumpModulePass.h"14#include "llvm/IR/Module.h"15#include "llvm/Support/Debug.h"16#include "llvm/Support/FileSystem.h"17#include "llvm/Support/Path.h"18#include "llvm/Support/ToolOutputFile.h"19 20#define DEBUG_TYPE "polly-dump-module"21 22using namespace llvm;23using namespace polly;24 25namespace {26 27static void runDumpModule(llvm::Module &M, StringRef Filename, bool IsSuffix) {28 std::string Dumpfile;29 if (IsSuffix) {30 StringRef ModuleName = M.getName();31 StringRef Stem = sys::path::stem(ModuleName);32 Dumpfile = (Twine(Stem) + Filename + ".ll").str();33 } else {34 Dumpfile = Filename.str();35 }36 LLVM_DEBUG(dbgs() << "Dumping module to " << Dumpfile << '\n');37 38 std::unique_ptr<ToolOutputFile> Out;39 std::error_code EC;40 Out.reset(new ToolOutputFile(Dumpfile, EC, sys::fs::OF_None));41 if (EC) {42 errs() << EC.message() << '\n';43 return;44 }45 46 M.print(Out->os(), nullptr);47 Out->keep();48}49} // namespace50 51llvm::PreservedAnalyses DumpModulePass::run(llvm::Module &M,52 llvm::ModuleAnalysisManager &AM) {53 runDumpModule(M, Filename, IsSuffix);54 return PreservedAnalyses::all();55}56