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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2011-04-01 22:29:18 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2011-04-01 22:29:18 +0000 |
| commit | 8b94c295c3dd8f19af44fe4cd4f78509e45fe03a (patch) | |
| tree | dd9cd568a6e68ebcc57837c65447b94dfbeae244 /llvm/lib/Transforms | |
| parent | 5cad45307e5dee8359dd10e53c19e2b2721a5630 (diff) | |
| download | bcm5719-llvm-8b94c295c3dd8f19af44fe4cd4f78509e45fe03a.tar.gz bcm5719-llvm-8b94c295c3dd8f19af44fe4cd4f78509e45fe03a.zip | |
Fix comment.
llvm-svn: 128745
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp index 5dd6fe5e278..32ab123f103 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp @@ -883,8 +883,8 @@ Instruction *InstCombiner::transformSExtICmp(ICmpInst *ICI, Instruction &CI) { ICmpInst::Predicate Pred = ICI->getPredicate(); if (ConstantInt *Op1C = dyn_cast<ConstantInt>(Op1)) { - // (x <s 0) ? -1 : 0 -> ashr x, 31 -> all ones if signed - // (x >s -1) ? -1 : 0 -> ashr x, 31 -> all ones if not signed + // (x <s 0) ? -1 : 0 -> ashr x, 31 -> all ones if negative + // (x >s -1) ? -1 : 0 -> not (ashr x, 31) -> all ones if positive if ((Pred == ICmpInst::ICMP_SLT && Op1C->isZero()) || (Pred == ICmpInst::ICMP_SGT && Op1C->isAllOnesValue())) { |
