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

3 files changed, 3 insertions, 3 deletions

diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp
index 2d027dd..791f598 100644
--- a/lib/Target/X86/X86FloatingPoint.cpp
+++ b/lib/Target/X86/X86FloatingPoint.cpp
@@ -1280,7 +1280,7 @@ void FPS::handleCompareFP(MachineBasicBlock::iterator &I) {
 }
 
 /// handleCondMovFP - Handle two address conditional move instructions.  These
-/// instructions move a st(i) register to st(0) if a condition is true.  These
+/// instructions move a st(i) register to st(0) iff a condition is true.  These
 /// instructions require that the first operand is at the top of the stack, but
 /// otherwise don't modify the stack at all.
 void FPS::handleCondMovFP(MachineBasicBlock::iterator &I) {
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 81be243..40605af 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -1202,7 +1202,7 @@ bool X86DAGToDAGISel::MatchAddressRecursively(SDValue N, X86ISelAddressMode &AM,
   }
 
   case ISD::OR:
-    // Handle "X | C" as "X + C" if X is known to have C bits clear.
+    // Handle "X | C" as "X + C" iff X is known to have C bits clear.
     if (CurDAG->isBaseWithConstantOffset(N)) {
       X86ISelAddressMode Backup = AM;
       ConstantSDNode *CN = cast<ConstantSDNode>(N.getOperand(1));
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 69c7c9a..f46989f 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -1652,7 +1652,7 @@ static bool isSafeToClobberEFLAGS(MachineBasicBlock &MBB,
   Iter = I;
   for (unsigned i = 0; i < 4; ++i) {
     // If we make it to the beginning of the block, it's safe to clobber
-    // EFLAGS if EFLAGS is not live-in.
+    // EFLAGS iff EFLAGS is not live-in.
     if (Iter == B)
       return !MBB.isLiveIn(X86::EFLAGS);