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| author | Craig Topper <craig.topper@gmail.com> | 2013-01-18 05:30:07 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2013-01-18 05:30:07 +0000 |
| commit | 081c29b25696006bb72a7ac1035e05f8f935513f (patch) | |
| tree | ea822453b96ad4c3ac4f1901e5d1cc51360e4cd5 /lib/Transforms/InstCombine/InstCombineVectorOps.cpp | |
| parent | 37d093f0b0e4b4d1c49efbf2bdcc9827527e3b9f (diff) | |
| download | external_llvm-081c29b25696006bb72a7ac1035e05f8f935513f.zip external_llvm-081c29b25696006bb72a7ac1035e05f8f935513f.tar.gz external_llvm-081c29b25696006bb72a7ac1035e05f8f935513f.tar.bz2 | |
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
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineVectorOps.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineVectorOps.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineVectorOps.cpp b/lib/Transforms/InstCombine/InstCombineVectorOps.cpp index 1bbedb8..4f71db1 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) { |