[llvm] 7d1a681 - [SystemZ] Use APInt::getAllOnes()

[Nikita Popov via llvm-commits]

Author: Nikita Popov
Date: 2024-09-05T15:25:05+02:00
New Revision: 7d1a68178ef4332c9bf19a5c959a3ec4cef0285d

URL: https://github.com/llvm/llvm-project/commit/7d1a68178ef4332c9bf19a5c959a3ec4cef0285d
DIFF: https://github.com/llvm/llvm-project/commit/7d1a68178ef4332c9bf19a5c959a3ec4cef0285d.diff

LOG: [SystemZ] Use APInt::getAllOnes()

This was using -1 without setting the signed flag.

Split off from https://github.com/llvm/llvm-project/pull/80309.

Added: 
    

Modified: 
    llvm/lib/Target/SystemZ/SystemZISelLowering.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
index 6f84bd6c6e4ff4..582a8c139b2937 100644
--- a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -7981,7 +7981,7 @@ static APInt getDemandedSrcElements(SDValue Op, const APInt &DemandedElts,
       break;
     }
     case Intrinsic::s390_vperm:
-      SrcDemE = APInt(NumElts, -1);
+      SrcDemE = APInt::getAllOnes(NumElts);
       break;
     default:
       llvm_unreachable("Unhandled intrinsic.");