[llvm] r367357 - [X86] Fix mistake in comment. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Tue Jul 30 14:00:24 2019
New Revision: 367357

URL: http://llvm.org/viewvc/llvm-project?rev=367357&view=rev
Log:
[X86] Fix mistake in comment. NFC

The code is matching sext not zext.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=367357&r1=367356&r2=367357&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Tue Jul 30 14:00:24 2019
@@ -43422,8 +43422,8 @@ static SDValue matchPMADDWD(SelectionDAG
 }
 
 // Attempt to turn this pattern into PMADDWD.
-// (mul (add (zext (build_vector)), (zext (build_vector))),
-//      (add (zext (build_vector)), (zext (build_vector)))
+// (mul (add (sext (build_vector)), (sext (build_vector))),
+//      (add (sext (build_vector)), (sext (build_vector)))
 static SDValue matchPMADDWD_2(SelectionDAG &DAG, SDValue N0, SDValue N1,
                               const SDLoc &DL, EVT VT,
                               const X86Subtarget &Subtarget) {