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

1 files changed, 2 insertions, 2 deletions

diff --git a/include/llvm/CodeGen/MachineBranchProbabilityInfo.h b/include/llvm/CodeGen/MachineBranchProbabilityInfo.h
index 87f595adfa..12189ceb7f 100644
--- a/include/llvm/CodeGen/MachineBranchProbabilityInfo.h
+++ b/include/llvm/CodeGen/MachineBranchProbabilityInfo.h
@@ -69,7 +69,7 @@ public:
 
   // Return a probability as a fraction between 0 (0% probability) and
   // 1 (100% probability), however the value is never equal to 0, and can be 1
-  // only if SRC block has only one successor.
+  // only iff SRC block has only one successor.
   // NB: This routine's complexity is linear on the number of successors of
   // Src. Querying sequentially for each successor's probability is a quadratic
   // query pattern.
@@ -77,7 +77,7 @@ public:
                                        MachineBasicBlock *Dst) const;
 
   // Print value between 0 (0% probability) and 1 (100% probability),
-  // however the value is never equal to 0, and can be 1 only if SRC block
+  // however the value is never equal to 0, and can be 1 only iff SRC block
   // has only one successor.
   raw_ostream &printEdgeProbability(raw_ostream &OS, MachineBasicBlock *Src,
                                     MachineBasicBlock *Dst) const;