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Detect VLAs.

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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81058 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-09-05 00:34:14 +00:00
parent 905cf5e0bd
commit bd1d6a8ce1
1 changed files with 5 additions and 1 deletions
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6
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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@ -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;
}