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3b08c33f33
Intrinsic::dbg_stoppoint Intrinsic::dbg_region_start Intrinsic::dbg_region_end Intrinsic::dbg_func_start AutoUpgrade simply ignores these intrinsics now. llvm-svn: 92557
106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
//===- DbgInfoPrinter.cpp - Print debug info in a human readable form ------==//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements a pass that prints instructions, and associated debug
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// info:
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//
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// - source/line/col information
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// - original variable name
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// - original type name
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Pass.h"
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#include "llvm/Function.h"
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#include "llvm/IntrinsicInst.h"
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#include "llvm/Metadata.h"
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#include "llvm/Assembly/Writer.h"
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#include "llvm/Analysis/DebugInfo.h"
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#include "llvm/Analysis/Passes.h"
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#include "llvm/Support/CFG.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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static cl::opt<bool>
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PrintDirectory("print-fullpath",
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cl::desc("Print fullpath when printing debug info"),
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cl::Hidden);
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namespace {
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class PrintDbgInfo : public FunctionPass {
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raw_ostream &Out;
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void printVariableDeclaration(const Value *V);
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public:
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static char ID; // Pass identification
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PrintDbgInfo() : FunctionPass(&ID), Out(outs()) {}
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virtual bool runOnFunction(Function &F);
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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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char PrintDbgInfo::ID = 0;
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static RegisterPass<PrintDbgInfo> X("print-dbginfo",
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"Print debug info in human readable form");
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}
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FunctionPass *llvm::createDbgInfoPrinterPass() { return new PrintDbgInfo(); }
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void PrintDbgInfo::printVariableDeclaration(const Value *V) {
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std::string DisplayName, File, Directory, Type;
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unsigned LineNo;
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if (!getLocationInfo(V, DisplayName, Type, LineNo, File, Directory))
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return;
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Out << "; ";
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WriteAsOperand(Out, V, false, 0);
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Out << " is variable " << DisplayName
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<< " of type " << Type << " declared at ";
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if (PrintDirectory)
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Out << Directory << "/";
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Out << File << ":" << LineNo << "\n";
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}
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bool PrintDbgInfo::runOnFunction(Function &F) {
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if (F.isDeclaration())
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return false;
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Out << "function " << F.getName() << "\n\n";
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for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
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BasicBlock *BB = I;
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if (I != F.begin() && (pred_begin(BB) == pred_end(BB)))
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// Skip dead blocks.
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continue;
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Out << BB->getName();
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Out << ":";
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Out << "\n";
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for (BasicBlock::const_iterator i = BB->begin(), e = BB->end();
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i != e; ++i) {
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printVariableDeclaration(i);
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if (const User *U = dyn_cast<User>(i)) {
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for(unsigned i=0;i<U->getNumOperands();i++)
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printVariableDeclaration(U->getOperand(i));
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}
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}
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}
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return false;
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}
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