1 //===--- IRPrintingPasses.cpp - Module and Function printing passes -------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // PrintModulePass and PrintFunctionPass implementations.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/IR/IRPrintingPasses.h"
15 #include "llvm/IR/Function.h"
16 #include "llvm/IR/Module.h"
17 #include "llvm/IR/PassManager.h"
18 #include "llvm/IR/UseListOrder.h"
19 #include "llvm/Pass.h"
20 #include "llvm/Support/Debug.h"
21 #include "llvm/Support/raw_ostream.h"
24 PrintModulePass::PrintModulePass() : OS(dbgs()) {}
25 PrintModulePass::PrintModulePass(raw_ostream &OS, const std::string &Banner)
26 : OS(OS), Banner(Banner) {}
28 PreservedAnalyses PrintModulePass::run(Module &M) {
30 M.print(OS, nullptr, shouldPreserveAssemblyUseListOrder());
31 return PreservedAnalyses::all();
34 PrintFunctionPass::PrintFunctionPass() : OS(dbgs()) {}
35 PrintFunctionPass::PrintFunctionPass(raw_ostream &OS, const std::string &Banner)
36 : OS(OS), Banner(Banner) {}
38 PreservedAnalyses PrintFunctionPass::run(Function &F) {
39 OS << Banner << static_cast<Value &>(F);
40 return PreservedAnalyses::all();
45 class PrintModulePassWrapper : public ModulePass {
50 PrintModulePassWrapper() : ModulePass(ID) {}
51 PrintModulePassWrapper(raw_ostream &OS, const std::string &Banner)
52 : ModulePass(ID), P(OS, Banner) {}
54 bool runOnModule(Module &M) override {
59 void getAnalysisUsage(AnalysisUsage &AU) const override {
64 class PrintFunctionPassWrapper : public FunctionPass {
69 PrintFunctionPassWrapper() : FunctionPass(ID) {}
70 PrintFunctionPassWrapper(raw_ostream &OS, const std::string &Banner)
71 : FunctionPass(ID), P(OS, Banner) {}
73 // This pass just prints a banner followed by the function as it's processed.
74 bool runOnFunction(Function &F) override {
79 void getAnalysisUsage(AnalysisUsage &AU) const override {
84 class PrintBasicBlockPass : public BasicBlockPass {
90 PrintBasicBlockPass() : BasicBlockPass(ID), Out(dbgs()) {}
91 PrintBasicBlockPass(raw_ostream &Out, const std::string &Banner)
92 : BasicBlockPass(ID), Out(Out), Banner(Banner) {}
94 bool runOnBasicBlock(BasicBlock &BB) override {
99 void getAnalysisUsage(AnalysisUsage &AU) const override {
100 AU.setPreservesAll();
106 char PrintModulePassWrapper::ID = 0;
107 INITIALIZE_PASS(PrintModulePassWrapper, "print-module",
108 "Print module to stderr", false, false)
109 char PrintFunctionPassWrapper::ID = 0;
110 INITIALIZE_PASS(PrintFunctionPassWrapper, "print-function",
111 "Print function to stderr", false, false)
112 char PrintBasicBlockPass::ID = 0;
113 INITIALIZE_PASS(PrintBasicBlockPass, "print-bb", "Print BB to stderr", false,
116 ModulePass *llvm::createPrintModulePass(llvm::raw_ostream &OS,
117 const std::string &Banner) {
118 return new PrintModulePassWrapper(OS, Banner);
121 FunctionPass *llvm::createPrintFunctionPass(llvm::raw_ostream &OS,
122 const std::string &Banner) {
123 return new PrintFunctionPassWrapper(OS, Banner);
126 BasicBlockPass *llvm::createPrintBasicBlockPass(llvm::raw_ostream &OS,
127 const std::string &Banner) {
128 return new PrintBasicBlockPass(OS, Banner);