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fix PR 6157. Testcase pending.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94996 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2010-02-01 19:54:53 +00:00
parent 5f670d4131
commit 904c2fadbf
1 changed files with 35 additions and 0 deletions
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35
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -3747,6 +3747,8 @@ SelectionDAGBuilder::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
return 0;
}
case Intrinsic::dbg_declare: {
// FIXME: currently, we get here only if OptLevel != CodeGenOpt::None.
// The real handling of this intrinsic is in FastISel.
if (OptLevel != CodeGenOpt::None)
// FIXME: Variable debug info is not supported here.
return 0;
@ -3776,6 +3778,39 @@ SelectionDAGBuilder::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
MMI->setVariableDbgInfo(Variable, FI, Dbg);
return 0;
}
case Intrinsic::dbg_value: {
// FIXME: currently, we get here only if OptLevel != CodeGenOpt::None.
// The real handling of this intrinsic is in FastISel.
if (OptLevel != CodeGenOpt::None)
// FIXME: Variable debug info is not supported here.
return 0;
DwarfWriter *DW = DAG.getDwarfWriter();
if (!DW)
return 0;
DbgValueInst &DI = cast<DbgValueInst>(I);
if (!DIDescriptor::ValidDebugInfo(DI.getVariable(), CodeGenOpt::None))
return 0;
MDNode *Variable = DI.getVariable();
Value *V = DI.getValue();
if (!V)
return 0;
if (BitCastInst *BCI = dyn_cast<BitCastInst>(V))
V = BCI->getOperand(0);
AllocaInst *AI = dyn_cast<AllocaInst>(V);
// Don't handle byval struct arguments or VLAs, for example.
if (!AI)
return 0;
DenseMap<const AllocaInst*, int>::iterator SI =
FuncInfo.StaticAllocaMap.find(AI);
if (SI == FuncInfo.StaticAllocaMap.end())
return 0; // VLAs.
int FI = SI->second;
if (MachineModuleInfo *MMI = DAG.getMachineModuleInfo())
if (MDNode *Dbg = DI.getMetadata("dbg"))
MMI->setVariableDbgInfo(Variable, FI, Dbg);
return 0;
}
case Intrinsic::eh_exception: {
// Insert the EXCEPTIONADDR instruction.
assert(CurMBB->isLandingPad() &&"Call to eh.exception not in landing pad!");