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| author | Craig Topper <craig.topper@gmail.com> | 2017-05-15 06:39:41 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-05-15 06:39:41 +0000 |
| commit | 1a36b7d836b203ecaa5d91f051e6a6d3aacc6741 (patch) | |
| tree | 09d3bd57f500e1bf0b06067b633695fd62d141cb /llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | |
| parent | 61fa0dcac30a8d8f8a61fa46361fe30ce3cad97f (diff) | |
| download | bcm5719-llvm-1a36b7d836b203ecaa5d91f051e6a6d3aacc6741.tar.gz bcm5719-llvm-1a36b7d836b203ecaa5d91f051e6a6d3aacc6741.zip | |
[ValueTracking] Replace all uses of ComputeSignBit with computeKnownBits.
This patch finishes off the conversion of ComputeSignBit to computeKnownBits.
Differential Revision: https://reviews.llvm.org/D33166
llvm-svn: 303035
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index 629f9be8a0a..82dc88f1b3a 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -698,9 +698,8 @@ Value *InstCombiner::simplifyRangeCheck(ICmpInst *Cmp0, ICmpInst *Cmp1, } // This simplification is only valid if the upper range is not negative. - bool IsNegative, IsNotNegative; - ComputeSignBit(RangeEnd, IsNotNegative, IsNegative, /*Depth=*/0, Cmp1); - if (!IsNotNegative) + KnownBits Known = computeKnownBits(RangeEnd, /*Depth=*/0, Cmp1); + if (!Known.isNonNegative()) return nullptr; if (Inverted) |
