Fix a typo 'iff' => 'if'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164767 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp
index 555b442..b8b61d7 100644
--- a/lib/Transforms/InstCombine/InstCombineCasts.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp
@@ -381,7 +381,7 @@
break;
case Instruction::LShr:
// If this is a truncate of a logical shr, we can truncate it to a smaller
- // lshr iff we know that the bits we would otherwise be shifting in are
+ // lshr if we know that the bits we would otherwise be shifting in are
// already zeros.
if (ConstantInt *CI = dyn_cast<ConstantInt>(I->getOperand(1))) {
uint32_t OrigBitWidth = OrigTy->getScalarSizeInBits();
@@ -527,14 +527,14 @@
return ReplaceInstUsesWith(CI, In);
}
- // zext (X == 0) to i32 --> X^1 iff X has only the low bit set.
- // zext (X == 0) to i32 --> (X>>1)^1 iff X has only the 2nd bit set.
- // zext (X == 1) to i32 --> X iff X has only the low bit set.
- // zext (X == 2) to i32 --> X>>1 iff X has only the 2nd bit set.
- // zext (X != 0) to i32 --> X iff X has only the low bit set.
- // zext (X != 0) to i32 --> X>>1 iff X has only the 2nd bit set.
- // zext (X != 1) to i32 --> X^1 iff X has only the low bit set.
- // zext (X != 2) to i32 --> (X>>1)^1 iff X has only the 2nd bit set.
+ // zext (X == 0) to i32 --> X^1 if X has only the low bit set.
+ // zext (X == 0) to i32 --> (X>>1)^1 if X has only the 2nd bit set.
+ // zext (X == 1) to i32 --> X if X has only the low bit set.
+ // zext (X == 2) to i32 --> X>>1 if X has only the 2nd bit set.
+ // zext (X != 0) to i32 --> X if X has only the low bit set.
+ // zext (X != 0) to i32 --> X>>1 if X has only the 2nd bit set.
+ // zext (X != 1) to i32 --> X^1 if X has only the low bit set.
+ // zext (X != 2) to i32 --> (X>>1)^1 if X has only the 2nd bit set.
if ((Op1CV == 0 || Op1CV.isPowerOf2()) &&
// This only works for EQ and NE
ICI->isEquality()) {