[X86] Replace calls to getOnesVector/getZeroVector with getConstant.

getConstant will create a BUILD_VECTOR for us and use a legal type if necessary. So just create the simple node and let BUILD_VECTOR legalization do the canonicalization.

llvm-svn: 346603

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index dd00945707bf0add31e37d76db56db320757da93..4de8e3d7108cb10d57c07ba08d6cfcca3ffdbee4 100644 (file)
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -19747,8 +19747,8 @@ static SDValue LowerSIGN_EXTEND_Mask(SDValue Op,
       (Subtarget.hasBWI() && WideEltVT.getSizeInBits() <= 16)) {
     V = DAG.getNode(Op.getOpcode(), dl, WideVT, In);
   } else {
-    SDValue NegOne = getOnesVector(WideVT, DAG, dl);
-    SDValue Zero = getZeroVector(WideVT, Subtarget, DAG, dl);
+    SDValue NegOne = DAG.getConstant(-1, dl, WideVT);
+    SDValue Zero = DAG.getConstant(0, dl, WideVT);
     V = DAG.getSelect(dl, WideVT, In, NegOne, Zero);
   }