From a88d6ca6f954bb45819a9ee02fc2a0e0a0ac1689 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 31 Jan 2007 18:09:17 +0000 Subject: [PATCH] Revert another incorrectly applied chunk, which fixes InstCombine/vec_insert_to_shuffle.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33705 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Scalar/InstructionCombining.cpp | 7 ------- 1 file changed, 7 deletions(-) diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 39841d6cee7..a47ecd00231 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -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; }