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| author | Craig Topper <craig.topper@gmail.com> | 2017-05-22 00:49:33 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-05-22 00:49:33 +0000 |
| commit | aaef41f71be7a17dc15887eac918fa54021c68da (patch) | |
| tree | 9fa70ecd91565e373b52af669aaf5e58a4943ba6 /llvm/lib/Transforms | |
| parent | d130b6c27d167fe9ba5fc270daf295125359d6d8 (diff) | |
| download | bcm5719-llvm-aaef41f71be7a17dc15887eac918fa54021c68da.tar.gz bcm5719-llvm-aaef41f71be7a17dc15887eac918fa54021c68da.zip | |
[KnownBits] Use isNegative/isNonNegative to shorten some code. NFC
llvm-svn: 303522
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp index 0ca62b7ae40..f32ee965397 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp @@ -869,8 +869,8 @@ bool InstCombiner::WillNotOverflowSignedSub(Value *LHS, Value *RHS, // Subtraction of two 2's complement numbers having identical signs will // never overflow. - if ((LHSKnown.One[BitWidth - 1] && RHSKnown.One[BitWidth - 1]) || - (LHSKnown.Zero[BitWidth - 1] && RHSKnown.Zero[BitWidth - 1])) + if ((LHSKnown.isNegative() && RHSKnown.isNegative()) || + (LHSKnown.isNonNegative() && RHSKnown.isNonNegative())) return true; // TODO: implement logic similar to checkRippleForAdd |
