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[CodeGenPrep] Change ValueToSExts from DeseMap to MapVector

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mergeSExts iterates throught ValueToSExts. Using DenseMap result in
unstable optimization path so that output IR may vary even if the input
IR is same.

Reviewed By: wxiao3

Differential Revision: https://reviews.llvm.org/D137234
This commit is contained in:
Haohai Wen 2022-11-04 10:15:11 +08:00
parent 8cca7f3bf7
commit e419620fc2
1 changed files with 1 additions and 1 deletions
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llvm/lib/CodeGen/CodeGenPrepare.cpp
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@ -287,7 +287,7 @@ using SetOfInstrs = SmallPtrSet<Instruction *, 16>;
using TypeIsSExt = PointerIntPair<Type *, 2, ExtType>;
using InstrToOrigTy = DenseMap<Instruction *, TypeIsSExt>;
using SExts = SmallVector<Instruction *, 16>;
using ValueToSExts = DenseMap<Value *, SExts>;
using ValueToSExts = MapVector<Value *, SExts>;
class TypePromotionTransaction;