X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAnalysis%2FCFGPrinter.cpp;h=143220ce38800544b29cbdd92b20dc8dea643355;hb=053372dc3c25c5442b7349c612104e15c41233e8;hp=a762a8e5f8c651922becc7492ec618ef3a1bdf43;hpb=5d8925c7c506a54ebdfb0bc93437ec9f602eaaa0;p=oota-llvm.git diff --git a/lib/Analysis/CFGPrinter.cpp b/lib/Analysis/CFGPrinter.cpp index a762a8e5f8c..143220ce388 100644 --- a/lib/Analysis/CFGPrinter.cpp +++ b/lib/Analysis/CFGPrinter.cpp @@ -2,12 +2,12 @@ // // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // -// This file defines a '-print-cfg' analysis pass, which emits the +// This file defines a '-dot-cfg' analysis pass, which emits the // cfg..dot file for each function in the program, with a graph of the // CFG for that function. // @@ -23,8 +23,10 @@ #include "llvm/Analysis/CFGPrinter.h" #include "llvm/Assembly/Writer.h" #include "llvm/Support/CFG.h" +#include "llvm/Support/Compiler.h" #include "llvm/Support/GraphWriter.h" #include "llvm/Config/config.h" +#include #include #include using namespace llvm; @@ -49,12 +51,12 @@ struct DOTGraphTraits : public DefaultDOTGraphTraits { std::ostringstream Out; if (CFGOnly) { - WriteAsOperand(Out, Node, false, true); + WriteAsOperand(Out, Node, false); return Out.str(); } if (Node->getName().empty()) { - WriteAsOperand(Out, Node, false, true); + WriteAsOperand(Out, Node, false); Out << ":"; } @@ -88,17 +90,68 @@ struct DOTGraphTraits : public DefaultDOTGraphTraits { } namespace { - struct CFGPrinter : public FunctionPass { + struct VISIBILITY_HIDDEN CFGViewer : public FunctionPass { + static char ID; // Pass identifcation, replacement for typeid + CFGViewer() : FunctionPass(&ID) {} + + virtual bool runOnFunction(Function &F) { + F.viewCFG(); + return false; + } + + void print(std::ostream &OS, const Module* = 0) const {} + + virtual void getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesAll(); + } + }; +} + +char CFGViewer::ID = 0; +static RegisterPass +V0("view-cfg", "View CFG of function", false, true); + +namespace { + struct VISIBILITY_HIDDEN CFGOnlyViewer : public FunctionPass { + static char ID; // Pass identifcation, replacement for typeid + CFGOnlyViewer() : FunctionPass(&ID) {} + + virtual bool runOnFunction(Function &F) { + CFGOnly = true; + F.viewCFG(); + CFGOnly = false; + return false; + } + + void print(std::ostream &OS, const Module* = 0) const {} + + virtual void getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesAll(); + } + }; +} + +char CFGOnlyViewer::ID = 0; +static RegisterPass +V1("view-cfg-only", + "View CFG of function (with no function bodies)", false, true); + +namespace { + struct VISIBILITY_HIDDEN CFGPrinter : public FunctionPass { + static char ID; // Pass identification, replacement for typeid + CFGPrinter() : FunctionPass(&ID) {} + explicit CFGPrinter(void *pid) : FunctionPass(pid) {} + virtual bool runOnFunction(Function &F) { std::string Filename = "cfg." + F.getName() + ".dot"; - std::cerr << "Writing '" << Filename << "'..."; + cerr << "Writing '" << Filename << "'..."; std::ofstream File(Filename.c_str()); if (File.good()) WriteGraph(File, (const Function*)&F); else - std::cerr << " error opening file for writing!"; - std::cerr << "\n"; + cerr << " error opening file for writing!"; + cerr << "\n"; return false; } @@ -108,11 +161,16 @@ namespace { AU.setPreservesAll(); } }; +} - RegisterPass P1("print-cfg", - "Print CFG of function to 'dot' file"); +char CFGPrinter::ID = 0; +static RegisterPass +P1("dot-cfg", "Print CFG of function to 'dot' file", false, true); - struct CFGOnlyPrinter : public CFGPrinter { +namespace { + struct VISIBILITY_HIDDEN CFGOnlyPrinter : public CFGPrinter { + static char ID; // Pass identification, replacement for typeid + CFGOnlyPrinter() : CFGPrinter(&ID) {} virtual bool runOnFunction(Function &F) { bool OldCFGOnly = CFGOnly; CFGOnly = true; @@ -126,12 +184,13 @@ namespace { AU.setPreservesAll(); } }; - - RegisterPass - P2("print-cfg-only", - "Print CFG of function to 'dot' file (with no function bodies)"); } +char CFGOnlyPrinter::ID = 0; +static RegisterPass +P2("dot-cfg-only", + "Print CFG of function to 'dot' file (with no function bodies)", false, true); + /// viewCFG - This function is meant for use from the debugger. You can just /// say 'call F->viewCFG()' and a ghostview window should pop up from the /// program, displaying the CFG of the current function. This depends on there