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Add support to handle debug info attached to an instruction.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83400 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-10-06 18:37:31 +00:00
parent 82a47e9118
commit 60b35bd8ec
5 changed files with 27 additions and 7 deletions
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3
include/llvm/CodeGen/DwarfWriter.h
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@ -110,9 +110,10 @@ public:
/// RecordInlinedFnEnd - Indicate the end of inlined subroutine.
unsigned RecordInlinedFnEnd(DISubprogram SP);
void SetDbgScopeBeginLabels(const MachineInstr *MI, unsigned L);
void SetDbgScopeEndLabels(const MachineInstr *MI, unsigned L);
};
} // end llvm namespace
#endif

16
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -1363,12 +1363,18 @@ void AsmPrinter::processDebugLoc(const MachineInstr *MI,
DebugLocTuple CurDLT = MF->getDebugLocTuple(DL);
if (BeforePrintingInsn) {
if (CurDLT.CompileUnit != 0 && PrevDLT != CurDLT) {
printLabel(DW->RecordSourceLine(CurDLT.Line, CurDLT.Col,
CurDLT.CompileUnit));
O << '\n';
unsigned L = DW->RecordSourceLine(CurDLT.Line, CurDLT.Col,
CurDLT.CompileUnit);
printLabel(L);
#ifdef ATTACH_DEBUG_INFO_TO_AN_INSN
DW->SetDbgScopeBeginLabels(MI, L);
#endif
} else {
#ifdef ATTACH_DEBUG_INFO_TO_AN_INSN
DW->SetDbgScopeEndLabels(MI, 0);
#endif
}
}
}
PrevDLT = CurDLT;
}
}

7
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -1322,7 +1322,6 @@ DbgScope *DwarfDebug::getDbgScope(MDNode *N, const MachineInstr *MI) {
Parent->AddScope(Slot);
else
// First function is top level function.
// FIXME - Dpatel - What is FunctionDbgScope ?
if (!FunctionDbgScope)
FunctionDbgScope = Slot;
@ -1901,6 +1900,12 @@ void DwarfDebug::BeginFunction(MachineFunction *MF) {
if (TimePassesIsEnabled)
DebugTimer->startTimer();
#ifdef ATTACH_DEBUG_INFO_TO_AN_INSN
if (!ExtractScopeInformation(MF))
return;
CollectVariableInfo();
#endif
// Begin accumulating function debug information.
MMI->BeginFunction(MF);

6
lib/CodeGen/AsmPrinter/DwarfWriter.cpp
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@ -119,3 +119,9 @@ unsigned DwarfWriter::RecordInlinedFnEnd(DISubprogram SP) {
return DD->RecordInlinedFnEnd(SP);
}
void DwarfWriter::SetDbgScopeBeginLabels(const MachineInstr *MI, unsigned L) {
DD->SetDbgScopeEndLabels(MI, L);
}
void DwarfWriter::SetDbgScopeEndLabels(const MachineInstr *MI, unsigned L) {
DD->SetDbgScopeBeginLabels(MI, L);
}

2
lib/CodeGen/SelectionDAG/FastISel.cpp
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@ -425,7 +425,9 @@ bool FastISel::SelectCall(User *I) {
if (AllocaLocation)
MMI->setVariableDbgInfo(DI->getVariable(), AllocaLocation, FI);
}
#ifndef ATTACH_DEBUG_INFO_TO_AN_INSN
DW->RecordVariable(DI->getVariable(), FI);
#endif
return true;
}
case Intrinsic::eh_exception: {