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| author | Sylvestre Ledru <sylvestre@debian.org> | 2012-09-27 10:14:43 +0000 |
|---|---|---|
| committer | Sylvestre Ledru <sylvestre@debian.org> | 2012-09-27 10:14:43 +0000 |
| commit | 94c22716d60ff5edf6a98a3c67e0faa001be1142 (patch) | |
| tree | 2442b2b9658c29e72b1dd7abae926751854c68dc /lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp | |
| parent | 7e2c793a2b5c746344652b6579e958ee42fafdcc (diff) | |
| download | llvm-94c22716d60ff5edf6a98a3c67e0faa001be1142.tar.gz llvm-94c22716d60ff5edf6a98a3c67e0faa001be1142.tar.bz2 llvm-94c22716d60ff5edf6a98a3c67e0faa001be1142.tar.xz | |
Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164767
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164768 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp index 9857f6ab5a..54be8ed3fa 100644 --- a/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp +++ b/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp @@ -304,7 +304,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, // If all of the demanded bits are known to be zero on one side or the // other, turn this into an *inclusive* or. - // e.g. (A & C1)^(B & C2) -> (A & C1)|(B & C2) if C1&C2 == 0 + // e.g. (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0 if ((DemandedMask & ~RHSKnownZero & ~LHSKnownZero) == 0) { Instruction *Or = BinaryOperator::CreateOr(I->getOperand(0), I->getOperand(1), @@ -315,7 +315,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, // If all of the demanded bits on one side are known, and all of the set // bits on that side are also known to be set on the other side, turn this // into an AND, as we know the bits will be cleared. - // e.g. (X | C1) ^ C2 --> (X | C1) & ~C2 if (C1&C2) == C2 + // e.g. (X | C1) ^ C2 --> (X | C1) & ~C2 iff (C1&C2) == C2 if ((DemandedMask & (RHSKnownZero|RHSKnownOne)) == DemandedMask) { // all known if ((RHSKnownOne & LHSKnownOne) == RHSKnownOne) { |