forked from OSchip/llvm-project
128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
//===--- IRPrintingPasses.cpp - Module and Function printing passes -------===//
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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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// PrintModulePass and PrintFunctionPass implementations.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/IRPrintingPasses.h"
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#include "llvm/IR/Function.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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#include "llvm/Support/Debug.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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PrintModulePass::PrintModulePass() : OS(dbgs()) {}
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PrintModulePass::PrintModulePass(raw_ostream &OS, const std::string &Banner)
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: OS(OS), Banner(Banner) {}
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PreservedAnalyses PrintModulePass::run(Module &M) {
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OS << Banner << M;
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return PreservedAnalyses::all();
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}
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PrintFunctionPass::PrintFunctionPass() : OS(dbgs()) {}
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PrintFunctionPass::PrintFunctionPass(raw_ostream &OS, const std::string &Banner)
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: OS(OS), Banner(Banner) {}
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PreservedAnalyses PrintFunctionPass::run(Function &F) {
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OS << Banner << static_cast<Value &>(F);
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return PreservedAnalyses::all();
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}
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namespace {
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class PrintModulePassWrapper : public ModulePass {
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PrintModulePass P;
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public:
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static char ID;
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PrintModulePassWrapper() : ModulePass(ID) {}
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PrintModulePassWrapper(raw_ostream &OS, const std::string &Banner)
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: ModulePass(ID), P(OS, Banner) {}
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bool runOnModule(Module &M) override {
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P.run(M);
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return false;
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}
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void getAnalysisUsage(AnalysisUsage &AU) const override {
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AU.setPreservesAll();
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}
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};
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class PrintFunctionPassWrapper : public FunctionPass {
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PrintFunctionPass P;
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public:
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static char ID;
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PrintFunctionPassWrapper() : FunctionPass(ID) {}
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PrintFunctionPassWrapper(raw_ostream &OS, const std::string &Banner)
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: FunctionPass(ID), P(OS, Banner) {}
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// This pass just prints a banner followed by the function as it's processed.
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bool runOnFunction(Function &F) override {
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P.run(F);
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return false;
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}
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void getAnalysisUsage(AnalysisUsage &AU) const override {
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AU.setPreservesAll();
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}
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};
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class PrintBasicBlockPass : public BasicBlockPass {
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raw_ostream &Out;
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std::string Banner;
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public:
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static char ID;
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PrintBasicBlockPass() : BasicBlockPass(ID), Out(dbgs()) {}
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PrintBasicBlockPass(raw_ostream &Out, const std::string &Banner)
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: BasicBlockPass(ID), Out(Out), Banner(Banner) {}
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bool runOnBasicBlock(BasicBlock &BB) override {
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Out << Banner << BB;
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return false;
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}
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void getAnalysisUsage(AnalysisUsage &AU) const override {
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AU.setPreservesAll();
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}
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};
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}
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char PrintModulePassWrapper::ID = 0;
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INITIALIZE_PASS(PrintModulePassWrapper, "print-module",
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"Print module to stderr", false, false)
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char PrintFunctionPassWrapper::ID = 0;
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INITIALIZE_PASS(PrintFunctionPassWrapper, "print-function",
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"Print function to stderr", false, false)
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char PrintBasicBlockPass::ID = 0;
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INITIALIZE_PASS(PrintBasicBlockPass, "print-bb", "Print BB to stderr", false,
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false)
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ModulePass *llvm::createPrintModulePass(llvm::raw_ostream &OS,
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const std::string &Banner) {
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return new PrintModulePassWrapper(OS, Banner);
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}
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FunctionPass *llvm::createPrintFunctionPass(llvm::raw_ostream &OS,
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const std::string &Banner) {
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return new PrintFunctionPassWrapper(OS, Banner);
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}
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BasicBlockPass *llvm::createPrintBasicBlockPass(llvm::raw_ostream &OS,
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const std::string &Banner) {
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return new PrintBasicBlockPass(OS, Banner);
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}
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