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Revert another incorrectly applied chunk, which fixes InstCombine/vec_insert_to_shuffle.ll

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33705 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-01-31 18:09:17 +00:00
parent ad58eb3434
commit a88d6ca6f9
1 changed files with 0 additions and 7 deletions
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7
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -8992,13 +8992,6 @@ Instruction *InstCombiner::visitShuffleVectorInst(ShuffleVectorInst &SVI) {
} }
} }
// See if SimplifyDemandedVectorElts can simplify based on this shuffle. For
// example, if this is a splat, then we only demand from one input element.
uint64_t UndefElts;
if (Value *V = SimplifyDemandedVectorElts(&SVI, (1ULL << Mask.size())-1,
UndefElts))
return ReplaceInstUsesWith(SVI, V);
return MadeChange ? &SVI : 0; return MadeChange ? &SVI : 0;
} }