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
diff --git a/lib/Transforms/Utils/AddrModeMatcher.cpp b/lib/Transforms/Utils/AddrModeMatcher.cpp
index 40e151c..0f9dfdd 100644
--- a/lib/Transforms/Utils/AddrModeMatcher.cpp
+++ b/lib/Transforms/Utils/AddrModeMatcher.cpp
@@ -201,7 +201,7 @@
     break;
   }
   //case Instruction::Or:
-  // TODO: We can handle "Or Val, Imm" if this OR is equivalent to an ADD.
+  // TODO: We can handle "Or Val, Imm" iff this OR is equivalent to an ADD.
   //break;
   case Instruction::Mul:
   case Instruction::Shl: {
diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp
index 2a604b6..6b04e3d 100644
--- a/lib/Transforms/Utils/BreakCriticalEdges.cpp
+++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp
@@ -104,7 +104,7 @@
     return I != E;
 
   // If AllowIdenticalEdges is true, then we allow this edge to be considered
-  // non-critical if all preds come from TI's block.
+  // non-critical iff all preds come from TI's block.
   while (I != E) {
     const BasicBlock *P = *I;
     if (P != FirstPred)