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Fix Generic/2005-10-18-ZeroSizeStackObject.ll by not requesting a zero

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sized stack object if either the array size or the type size is zero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23801 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-10-18 22:14:06 +00:00
parent f46544cd82
commit d222f6ab67
1 changed files with 1 additions and 0 deletions
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lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -152,6 +152,7 @@ FunctionLoweringInfo::FunctionLoweringInfo(TargetLowering &tli,
// TargetData. It serves primarily to 8-byte align doubles for X86.
if (Align < TySize && TySize <= 8) Align = TySize;
TySize *= CUI->getValue(); // Get total allocated size.
if (TySize == 0) TySize = 1; // Don't create zero-sized stack objects.
StaticAllocaMap[AI] =
MF.getFrameInfo()->CreateStackObject((unsigned)TySize, Align);
}