1 //===- llvm/Assembly/PrintModulePass.h - Printing Pass ----------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines two passes to print out a module. The PrintModulePass pass
11 // simply prints out the entire module when it is executed. The
12 // PrintFunctionPass class is designed to be pipelined with other
13 // FunctionPass's, and prints out the functions of the class as they are
16 //===----------------------------------------------------------------------===//
18 #ifndef LLVM_ASSEMBLY_PRINTMODULEPASS_H
19 #define LLVM_ASSEMBLY_PRINTMODULEPASS_H
21 #include "llvm/Pass.h"
22 #include "llvm/Module.h"
23 #include "llvm/Support/Streams.h"
27 class PrintModulePass : public ModulePass {
28 OStream *Out; // ostream to print on
29 bool DeleteStream; // Delete the ostream in our dtor?
31 PrintModulePass() : Out(&cerr), DeleteStream(false) {}
32 PrintModulePass(OStream *o, bool DS = false)
33 : Out(o), DeleteStream(DS) {}
36 if (DeleteStream) delete Out;
39 bool runOnModule(Module &M) {
40 (*Out) << M << std::flush;
44 virtual void getAnalysisUsage(AnalysisUsage &AU) const {
49 class PrintFunctionPass : public FunctionPass {
50 std::string Banner; // String to print before each function
51 OStream *Out; // ostream to print on
52 bool DeleteStream; // Delete the ostream in our dtor?
54 PrintFunctionPass() : Banner(""), Out(&cerr), DeleteStream(false) {}
55 PrintFunctionPass(const std::string &B, OStream *o = &cout,
57 : Banner(B), Out(o), DeleteStream(DS) {}
59 inline ~PrintFunctionPass() {
60 if (DeleteStream) delete Out;
63 // runOnFunction - This pass just prints a banner followed by the function as
66 bool runOnFunction(Function &F) {
67 (*Out) << Banner << static_cast<Value&>(F);
71 virtual void getAnalysisUsage(AnalysisUsage &AU) const {
76 } // End llvm namespace