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In debug output, clearly list new instructions without DebugLoc.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130957 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-05-05 22:05:57 +00:00
parent 51a04adc5e
commit ef7b4685f1
1 changed files with 2 additions and 36 deletions
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38
lib/VMCore/DebugInfoProbe.cpp
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@ -51,7 +51,6 @@ namespace llvm {
unsigned NumDbgLineLost, NumDbgValueLost;
std::string PassName;
Function *TheFn;
std::set<unsigned> LineNos;
std::set<MDNode *> DbgVariables;
std::set<Instruction *> MissingDebugLoc;
};
@ -60,32 +59,13 @@ namespace llvm {
//===----------------------------------------------------------------------===//
// DebugInfoProbeImpl
static void collect(Function &F, std::set<unsigned> &Lines) {
for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
for (BasicBlock::iterator BI = FI->begin(), BE = FI->end();
BI != BE; ++BI) {
const DebugLoc &DL = BI->getDebugLoc();
unsigned LineNo = 0;
if (!DL.isUnknown()) {
if (MDNode *N = DL.getInlinedAt(F.getContext()))
LineNo = DebugLoc::getFromDILocation(N).getLine();
else
LineNo = DL.getLine();
Lines.insert(LineNo);
}
}
}
/// initialize - Collect information before running an optimization pass.
void DebugInfoProbeImpl::initialize(StringRef PName, Function &F) {
if (!EnableDebugInfoProbe) return;
PassName = PName;
LineNos.clear();
DbgVariables.clear();
TheFn = &F;
collect(F, LineNos);
for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
for (BasicBlock::iterator BI = FI->begin(), BE = FI->end();
@ -130,30 +110,16 @@ void DebugInfoProbeImpl::report() {
/// must be used after initialization.
void DebugInfoProbeImpl::finalize(Function &F) {
if (!EnableDebugInfoProbe) return;
std::set<unsigned> LineNos2;
collect(F, LineNos2);
assert (TheFn == &F && "Invalid function to measure!");
for (std::set<unsigned>::iterator I = LineNos.begin(),
E = LineNos.end(); I != E; ++I) {
unsigned LineNo = *I;
if (LineNos2.count(LineNo) == 0) {
DEBUG(dbgs()
<< "DebugInfoProbe("
<< PassName
<< "): Losing dbg info for source line "
<< LineNo << "\n");
++NumDbgLineLost;
}
}
std::set<MDNode *>DbgVariables2;
for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI)
for (BasicBlock::iterator BI = FI->begin(), BE = FI->end();
BI != BE; ++BI) {
if (BI->getDebugLoc().isUnknown() &&
MissingDebugLoc.count(BI) == 0) {
DEBUG(dbgs() << "DebugInfoProbe(" << PassName << "): --- ");
++NumDbgLineLost;
DEBUG(dbgs() << "DebugInfoProbe (" << PassName << "): --- ");
DEBUG(BI->print(dbgs()));
DEBUG(dbgs() << "\n");
}