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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 | 45d9f4b569d388a66bbc7f99fdc4778195a7f89b (patch) | |
| tree | 9cc34b0290425ce51e611227f370b4a92dc01308 /llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp | |
| parent | e3025672e9b59cfb5e13886fa05507f824017685 (diff) | |
| download | bcm5719-llvm-45d9f4b569d388a66bbc7f99fdc4778195a7f89b.tar.gz bcm5719-llvm-45d9f4b569d388a66bbc7f99fdc4778195a7f89b.zip | |
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.
llvm-svn: 172788
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp b/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp index 1bbedb8e9d0..4f71db1a4b0 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp +++ b/llvm/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) { |
