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Fix the alias analysis query in DAGCombiner to not add in two

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offsets. The SrcValueOffset values are the real offsets from the
SrcValue base pointers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40534 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2007-07-26 16:14:06 +00:00
parent 37f3ee17d2
commit 559742c0ea
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -4599,8 +4599,8 @@ bool DAGCombiner::isAlias(SDOperand Ptr1, int64_t Size1,
if (CombinerGlobalAA) {
// Use alias analysis information.
int Overlap1 = Size1 + SrcValueOffset1 + Offset1;
int Overlap2 = Size2 + SrcValueOffset2 + Offset2;
int Overlap1 = Size1 + SrcValueOffset1;
int Overlap2 = Size2 + SrcValueOffset2;
AliasAnalysis::AliasResult AAResult =
AA.alias(SrcValue1, Overlap1, SrcValue2, Overlap2);
if (AAResult == AliasAnalysis::NoAlias)