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Reverting r107918 and r107919. Radar 8063111.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107930 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Stuart Hastings
2010-07-08 23:25:39 +00:00
parent 21e9445952
commit 99cfb69f17
3 changed files with 19 additions and 25 deletions
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15
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@@ -2682,21 +2682,18 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) {
if (FDL.isUnknown()) return;
const MDNode *Scope = FDL.getScope(MF->getFunction()->getContext());
const MDNode *TheScope = 0;
DISubprogram SP = getDISubprogram(Scope);
unsigned Line, Col;
if (SP.Verify()) {
Line = SP.getLineNumber();
Col = 0;
TheScope = SP;
} else {
Line = FDL.getLine();
Col = FDL.getCol();
TheScope = Scope;
}
recordSourceLine(Line, Col, TheScope);
recordSourceLine(Line, Col, Scope);
/// ProcessedArgs - Collection of arguments already processed.
SmallPtrSet<const MDNode *, 8> ProcessedArgs;
@@ -2902,6 +2899,16 @@ MCSymbol *DwarfDebug::recordSourceLine(unsigned Line, unsigned Col,
Src = GetOrCreateSourceID(Dir, Fn);
}
#if 0
if (!Lines.empty()) {
SrcLineInfo lastSrcLineInfo = Lines.back();
// Emitting sequential line records with the same line number (but
// different addresses) seems to confuse GDB. Avoid this.
if (lastSrcLineInfo.getLine() == Line)
return NULL;
}
#endif
MCSymbol *Label = MMI->getContext().CreateTempSymbol();
Lines.push_back(SrcLineInfo(Line, Col, Src, Label));