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| author | Sylvestre Ledru <sylvestre@debian.org> | 2012-09-27 09:59:43 +0000 |
|---|---|---|
| committer | Sylvestre Ledru <sylvestre@debian.org> | 2012-09-27 09:59:43 +0000 |
| commit | 7e2c793a2b5c746344652b6579e958ee42fafdcc (patch) | |
| tree | 1a18d61db4c838b535c569333230d704fccf0a75 /lib/Analysis/ValueTracking.cpp | |
| parent | 466e0f38d344fd1a64b7be2b3c4e3f7003ef4fef (diff) | |
Fix a typo 'iff' => 'if'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164767 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | lib/Analysis/ValueTracking.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp index 491224a4b6..19fde0e419 100644 --- a/lib/Analysis/ValueTracking.cpp +++ b/lib/Analysis/ValueTracking.cpp @@ -470,7 +470,7 @@ void llvm::ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne, return; } case Instruction::Shl: - // (shl X, C1) & C2 == 0 iff (X & C2 >>u C1) == 0 + // (shl X, C1) & C2 == 0 if (X & C2 >>u C1) == 0 if (ConstantInt *SA = dyn_cast<ConstantInt>(I->getOperand(1))) { uint64_t ShiftAmt = SA->getLimitedValue(BitWidth); ComputeMaskedBits(I->getOperand(0), KnownZero, KnownOne, TD, Depth+1); @@ -482,7 +482,7 @@ void llvm::ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne, } break; case Instruction::LShr: - // (ushr X, C1) & C2 == 0 iff (-1 >> C1) & C2 == 0 + // (ushr X, C1) & C2 == 0 if (-1 >> C1) & C2 == 0 if (ConstantInt *SA = dyn_cast<ConstantInt>(I->getOperand(1))) { // Compute the new bits that are at the top now. uint64_t ShiftAmt = SA->getLimitedValue(BitWidth); @@ -498,7 +498,7 @@ void llvm::ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne, } break; case Instruction::AShr: - // (ashr X, C1) & C2 == 0 iff (-1 >> C1) & C2 == 0 + // (ashr X, C1) & C2 == 0 if (-1 >> C1) & C2 == 0 if (ConstantInt *SA = dyn_cast<ConstantInt>(I->getOperand(1))) { // Compute the new bits that are at the top now. uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1); |