Detect VLAs.

Do not use DenseMap operator[] because it inserts new entry if lookup fails. Use find() to check an entry in a DenseMap first.

llvm-svn: 81058
This commit is contained in:
Devang Patel 2009-09-05 00:34:14 +00:00
parent c174e064b2
commit 7b422c1956

View File

@ -3981,7 +3981,11 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
// Don't handle byval struct arguments or VLAs, for example.
if (!AI)
return 0;
int FI = FuncInfo.StaticAllocaMap[AI];
DenseMap<const AllocaInst*, int>::iterator SI =
FuncInfo.StaticAllocaMap.find(AI);
if (SI == FuncInfo.StaticAllocaMap.end())
return 0; // VLAs.
int FI = SI->second;
DW->RecordVariable(cast<MDNode>(Variable), FI);
return 0;
}