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e81561909d
now cerr, cout, and NullStream resp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32298 91177308-0d34-0410-b5e6-96231b3b80d8
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
//===- llvm/Assembly/PrintModulePass.h - Printing Pass ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines two passes to print out a module. The PrintModulePass pass
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// simply prints out the entire module when it is executed. The
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// PrintFunctionPass class is designed to be pipelined with other
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// FunctionPass's, and prints out the functions of the class as they are
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// processed.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ASSEMBLY_PRINTMODULEPASS_H
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#define LLVM_ASSEMBLY_PRINTMODULEPASS_H
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#include "llvm/Pass.h"
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#include "llvm/Module.h"
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#include "llvm/Support/Streams.h"
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namespace llvm {
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class PrintModulePass : public ModulePass {
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OStream *Out; // ostream to print on
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bool DeleteStream; // Delete the ostream in our dtor?
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public:
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PrintModulePass() : Out(&cerr), DeleteStream(false) {}
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PrintModulePass(OStream *o, bool DS = false)
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: Out(o), DeleteStream(DS) {}
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~PrintModulePass() {
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if (DeleteStream) delete Out;
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}
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bool runOnModule(Module &M) {
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(*Out) << M << std::flush;
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return false;
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}
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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}
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};
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class PrintFunctionPass : public FunctionPass {
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std::string Banner; // String to print before each function
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OStream *Out; // ostream to print on
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bool DeleteStream; // Delete the ostream in our dtor?
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public:
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PrintFunctionPass() : Banner(""), Out(&cerr), DeleteStream(false) {}
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PrintFunctionPass(const std::string &B, OStream *o = &cout,
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bool DS = false)
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: Banner(B), Out(o), DeleteStream(DS) {}
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inline ~PrintFunctionPass() {
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if (DeleteStream) delete Out;
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}
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// runOnFunction - This pass just prints a banner followed by the function as
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// it's processed.
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//
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bool runOnFunction(Function &F) {
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(*Out) << Banner << static_cast<Value&>(F);
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return false;
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}
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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}
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};
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} // End llvm namespace
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#endif
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