diff --git a/llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp b/llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp
--- a/llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp
+++ b/llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp
@@ -9,7 +9,7 @@
 // This file implements the aggressive expression pattern combiner classes.
 // Currently, it handles expression patterns for:
 //  * Truncate instruction
-//
+//  * Non-constant-time pattern matches
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Transforms/AggressiveInstCombine/AggressiveInstCombine.h"