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Diffstat (limited to 'lib/VMCore/PrintModulePass.cpp')
-rw-r--r-- | lib/VMCore/PrintModulePass.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/lib/VMCore/PrintModulePass.cpp b/lib/VMCore/PrintModulePass.cpp new file mode 100644 index 0000000000..6740af7069 --- /dev/null +++ b/lib/VMCore/PrintModulePass.cpp @@ -0,0 +1,96 @@ +//===--- VMCore/PrintModulePass.cpp - Module/Function Printer -------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// PrintModulePass and PrintFunctionPass implementations. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Assembly/PrintModulePass.h" + +#include "llvm/Function.h" +#include "llvm/Module.h" +#include "llvm/Pass.h" +#include "llvm/Support/Compiler.h" +using namespace llvm; + +namespace { + + class VISIBILITY_HIDDEN PrintModulePass : public ModulePass { + OStream *Out; // ostream to print on + bool DeleteStream; // Delete the ostream in our dtor? + public: + static char ID; + PrintModulePass() : ModulePass(intptr_t(&ID)), Out(&cerr), + DeleteStream(false) {} + PrintModulePass(OStream *o, bool DS) + : ModulePass(intptr_t(&ID)), Out(o), DeleteStream(DS) {} + + ~PrintModulePass() { + if (DeleteStream) delete Out; + } + + bool runOnModule(Module &M) { + (*Out) << M << std::flush; + return false; + } + + virtual void getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesAll(); + } + }; + + class PrintFunctionPass : public FunctionPass { + std::string Banner; // String to print before each function + OStream *Out; // ostream to print on + bool DeleteStream; // Delete the ostream in our dtor? + public: + static char ID; + PrintFunctionPass() : FunctionPass(intptr_t(&ID)), Banner(""), Out(&cerr), + DeleteStream(false) {} + PrintFunctionPass(const std::string &B, OStream *o, bool DS) + : FunctionPass(intptr_t(&ID)), Banner(B), Out(o), DeleteStream(DS) {} + + inline ~PrintFunctionPass() { + if (DeleteStream) delete Out; + } + + // runOnFunction - This pass just prints a banner followed by the + // function as it's processed. + // + bool runOnFunction(Function &F) { + (*Out) << Banner << static_cast<Value&>(F); + return false; + } + + virtual void getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesAll(); + } + }; +} + +char PrintModulePass::ID = 0; +static RegisterPass<PrintModulePass> +X("print-module", "Print module to stderr"); +char PrintFunctionPass::ID = 0; +static RegisterPass<PrintFunctionPass> +Y("print-function","Print function to stderr"); + +/// createPrintModulePass - Create and return a pass that writes the +/// module to the specified OStream. +ModulePass *llvm::createPrintModulePass(llvm::OStream *OS, bool DeleteStream) { + return new PrintModulePass(OS, DeleteStream); +} + +/// createPrintFunctionPass - Create and return a pass that prints +/// functions to the specified OStream as they are processed. +FunctionPass *llvm::createPrintFunctionPass(const std::string &Banner, + OStream *OS, bool DeleteStream) { + return new PrintFunctionPass(Banner, OS, DeleteStream); +} + |