Fix comment to reflect code, and remove an unused argument

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111022 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 15bbf070f58aa195f781faa53c693501191309f8..65bc4b0b81cb099fd08cbe505228137a2bc0b40a 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -3513,9 +3513,8 @@ static SDValue getUnpackh(SelectionDAG &DAG, DebugLoc dl, EVT VT, SDValue V1,
   return DAG.getVectorShuffle(VT, dl, V1, V2, &Mask[0]);
 }
 
-/// PromoteSplat - Promote a splat of v4f32, v8i16 or v16i8 to v4i32.
-static SDValue PromoteSplat(ShuffleVectorSDNode *SV, SelectionDAG &DAG,
-                            bool HasSSE2) {
+/// PromoteSplat - Promote a splat of v4i32, v8i16 or v16i8 to v4f32.
+static SDValue PromoteSplat(ShuffleVectorSDNode *SV, SelectionDAG &DAG) {
   if (SV->getValueType(0).getVectorNumElements() <= 4)
     return SDValue(SV, 0);
 
@@ -4796,7 +4795,7 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
   if (SVOp->isSplat()) {
     if (isMMX || NumElems < 4)
       return Op;
-    return PromoteSplat(SVOp, DAG, Subtarget->hasSSE2());
+    return PromoteSplat(SVOp, DAG);
   }
 
   // If the shuffle can be profitably rewritten as a narrower shuffle, then