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Bullet proof against undefined args produced by upgrading ols-style debug info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27155 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1114,7 +1114,7 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
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case Intrinsic::dbg_stoppoint: {
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MachineDebugInfo *DebugInfo = DAG.getMachineDebugInfo();
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DbgStopPointInst &SPI = cast<DbgStopPointInst>(I);
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if (DebugInfo && DebugInfo->Verify(SPI.getContext())) {
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if (DebugInfo && SPI.getContext() && DebugInfo->Verify(SPI.getContext())) {
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std::vector<SDOperand> Ops;
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Ops.push_back(getRoot());
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@ -1136,7 +1136,7 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
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case Intrinsic::dbg_region_start: {
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MachineDebugInfo *DebugInfo = DAG.getMachineDebugInfo();
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DbgRegionStartInst &RSI = cast<DbgRegionStartInst>(I);
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if (DebugInfo && DebugInfo->Verify(RSI.getContext())) {
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if (DebugInfo && RSI.getContext() && DebugInfo->Verify(RSI.getContext())) {
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std::vector<SDOperand> Ops;
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unsigned LabelID = DebugInfo->RecordRegionStart(RSI.getContext());
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@ -1152,7 +1152,7 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
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case Intrinsic::dbg_region_end: {
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MachineDebugInfo *DebugInfo = DAG.getMachineDebugInfo();
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DbgRegionEndInst &REI = cast<DbgRegionEndInst>(I);
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if (DebugInfo && DebugInfo->Verify(REI.getContext())) {
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if (DebugInfo && REI.getContext() && DebugInfo->Verify(REI.getContext())) {
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std::vector<SDOperand> Ops;
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unsigned LabelID = DebugInfo->RecordRegionEnd(REI.getContext());
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@ -1168,7 +1168,8 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
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case Intrinsic::dbg_func_start: {
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MachineDebugInfo *DebugInfo = DAG.getMachineDebugInfo();
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DbgFuncStartInst &FSI = cast<DbgFuncStartInst>(I);
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if (DebugInfo && DebugInfo->Verify(FSI.getSubprogram())) {
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if (DebugInfo && FSI.getSubprogram() &&
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DebugInfo->Verify(FSI.getSubprogram())) {
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std::vector<SDOperand> Ops;
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unsigned LabelID = DebugInfo->RecordRegionStart(FSI.getSubprogram());
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@ -45,13 +45,13 @@ static Value *CastOperand(Value *C) {
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Value *DbgInfoIntrinsic::StripCast(Value *C) {
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if (Value *CO = CastOperand(C)) {
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return StripCast(CO);
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C = StripCast(CO);
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} else if (GlobalVariable *GV = dyn_cast<GlobalVariable>(C)) {
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if (GV->hasInitializer())
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if (Value *CO = CastOperand(GV->getInitializer()))
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return StripCast(CO);
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C = StripCast(CO);
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}
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return C;
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return dyn_cast<GlobalVariable>(C);
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}
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//===----------------------------------------------------------------------===//
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