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e2dc71d312
This moves the old pass creation functionality to its own header and updates the callers of that routine. Then it adds a new PM supporting bitcode writer to the header file, and wires that up in the opt tool. A test is added that round-trips code into bitcode and back out using the new pass manager. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199078 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
//===- BitcodeWriterPass.cpp - Bitcode 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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// BitcodeWriterPass implementation.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Bitcode/BitcodeWriterPass.h"
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#include "llvm/Bitcode/ReaderWriter.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 BitcodeWriterPass::run(Module *M) {
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WriteBitcodeToFile(M, OS);
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return PreservedAnalyses::all();
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}
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namespace {
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class WriteBitcodePass : public ModulePass {
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raw_ostream &OS; // raw_ostream to print on
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public:
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static char ID; // Pass identification, replacement for typeid
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explicit WriteBitcodePass(raw_ostream &o)
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: ModulePass(ID), OS(o) {}
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const char *getPassName() const { return "Bitcode Writer"; }
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bool runOnModule(Module &M) {
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WriteBitcodeToFile(&M, OS);
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return false;
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}
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};
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}
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char WriteBitcodePass::ID = 0;
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ModulePass *llvm::createBitcodeWriterPass(raw_ostream &Str) {
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return new WriteBitcodePass(Str);
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}
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