mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
//===- DbgInfoPrinter.cpp - Print debug info in a human readable form ------==//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements a pass that prints instructions, and associated debug
|
|
// info:
|
|
//
|
|
// - source/line/col information
|
|
// - original variable name
|
|
// - original type name
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Pass.h"
|
|
#include "llvm/Function.h"
|
|
#include "llvm/IntrinsicInst.h"
|
|
#include "llvm/Metadata.h"
|
|
#include "llvm/Assembly/Writer.h"
|
|
#include "llvm/Analysis/DebugInfo.h"
|
|
#include "llvm/Analysis/Passes.h"
|
|
#include "llvm/Support/CFG.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
|
|
using namespace llvm;
|
|
|
|
static cl::opt<bool>
|
|
PrintDirectory("print-fullpath",
|
|
cl::desc("Print fullpath when printing debug info"),
|
|
cl::Hidden);
|
|
|
|
namespace {
|
|
class PrintDbgInfo : public FunctionPass {
|
|
raw_ostream &Out;
|
|
void printVariableDeclaration(const Value *V);
|
|
public:
|
|
static char ID; // Pass identification
|
|
PrintDbgInfo() : FunctionPass(ID), Out(outs()) {}
|
|
|
|
virtual bool runOnFunction(Function &F);
|
|
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
|
|
AU.setPreservesAll();
|
|
}
|
|
};
|
|
char PrintDbgInfo::ID = 0;
|
|
INITIALIZE_PASS(PrintDbgInfo, "print-dbginfo",
|
|
"Print debug info in human readable form", false, false);
|
|
}
|
|
|
|
FunctionPass *llvm::createDbgInfoPrinterPass() { return new PrintDbgInfo(); }
|
|
|
|
void PrintDbgInfo::printVariableDeclaration(const Value *V) {
|
|
std::string DisplayName, File, Directory, Type;
|
|
unsigned LineNo;
|
|
|
|
if (!getLocationInfo(V, DisplayName, Type, LineNo, File, Directory))
|
|
return;
|
|
|
|
Out << "; ";
|
|
WriteAsOperand(Out, V, false, 0);
|
|
Out << " is variable " << DisplayName
|
|
<< " of type " << Type << " declared at ";
|
|
|
|
if (PrintDirectory)
|
|
Out << Directory << "/";
|
|
|
|
Out << File << ":" << LineNo << "\n";
|
|
}
|
|
|
|
bool PrintDbgInfo::runOnFunction(Function &F) {
|
|
if (F.isDeclaration())
|
|
return false;
|
|
|
|
Out << "function " << F.getName() << "\n\n";
|
|
|
|
for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
|
|
BasicBlock *BB = I;
|
|
|
|
if (I != F.begin() && (pred_begin(BB) == pred_end(BB)))
|
|
// Skip dead blocks.
|
|
continue;
|
|
|
|
Out << BB->getName();
|
|
Out << ":";
|
|
|
|
Out << "\n";
|
|
|
|
for (BasicBlock::const_iterator i = BB->begin(), e = BB->end();
|
|
i != e; ++i) {
|
|
|
|
printVariableDeclaration(i);
|
|
|
|
if (const User *U = dyn_cast<User>(i)) {
|
|
for(unsigned i=0;i<U->getNumOperands();i++)
|
|
printVariableDeclaration(U->getOperand(i));
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|