1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 6675cafd862..873d1429352 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -10652,7 +10652,7 @@ static SDValue lowerVectorShuffleWithUndefHalf(SDLoc DL, MVT VT, SDValue V1,
                        DAG.getIntPtrConstant(HalfNumElts, DL));
   }
 
-  // If the shuffle only uses the lower halves of the input operands,
+  // If the shuffle only uses two of the four halves of the input operands,
   // then extract them and perform the 'half' shuffle at half width.
   // e.g. vector_shuffle <X, X, X, X, u, u, u, u> or <X, X, u, u>
   int HalfIdx1 = -1, HalfIdx2 = -1;