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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2021-04-02 19:33:18 +0100 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2021-04-02 21:44:33 +0100 |
| commit | 4ea5475a3f3b13c5abaa6d0754bbc3ba72847377 (patch) | |
| tree | 5d6bb1009cde72b1fab492bb3165bf0f2fe82eb4 /llvm/lib/Analysis/ValueTracking.cpp | |
| parent | 223dcdcfbe23affdf17ada7f023ee1872fd76160 (diff) | |
| download | llvm-4ea5475a3f3b13c5abaa6d0754bbc3ba72847377.zip llvm-4ea5475a3f3b13c5abaa6d0754bbc3ba72847377.tar.gz llvm-4ea5475a3f3b13c5abaa6d0754bbc3ba72847377.tar.bz2 | |
[KnownBits] Add KnownBits::haveNoCommonBitsSet helper. NFCI.
Include exhaustive test coverage.
Diffstat (limited to 'llvm/lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index cffbe92..0559c68 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -301,7 +301,7 @@ bool llvm::haveNoCommonBitsSet(const Value *LHS, const Value *RHS, KnownBits RHSKnown(IT->getBitWidth()); computeKnownBits(LHS, LHSKnown, DL, 0, AC, CxtI, DT, nullptr, UseInstrInfo); computeKnownBits(RHS, RHSKnown, DL, 0, AC, CxtI, DT, nullptr, UseInstrInfo); - return (LHSKnown.Zero | RHSKnown.Zero).isAllOnesValue(); + return KnownBits::haveNoCommonBitsSet(LHSKnown, RHSKnown); } bool llvm::isOnlyUsedInZeroEqualityComparison(const Instruction *CxtI) { |