From 081c29b25696006bb72a7ac1035e05f8f935513f Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Fri, 18 Jan 2013 05:30:07 +0000 Subject: Check for less than 0 in shuffle mask instead of -1. It's more consistent with other code related to shuffles and easier to implement in compiled code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172788 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/InstCombine/InstCombineVectorOps.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'lib/Transforms/InstCombine/InstCombineVectorOps.cpp') diff --git a/lib/Transforms/InstCombine/InstCombineVectorOps.cpp b/lib/Transforms/InstCombine/InstCombineVectorOps.cpp index 1bbedb8e9d..4f71db1a4b 100644 --- a/lib/Transforms/InstCombine/InstCombineVectorOps.cpp +++ b/lib/Transforms/InstCombine/InstCombineVectorOps.cpp @@ -604,7 +604,7 @@ Instruction *InstCombiner::visitShuffleVectorInst(ShuffleVectorInst &SVI) { // ShuffleVectorInst is equivalent to the original one. for (unsigned i = 0; i < VWidth; ++i) { int eltMask; - if (Mask[i] == -1) { + if (Mask[i] < 0) { // This element is an undef value. eltMask = -1; } else if (Mask[i] < (int)LHSWidth) { -- cgit v1.2.3-18-g5258