[X86] Remove unnecessary AVX2 check that was already covered by an assertion earlier...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284913 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 6686665..94427fa 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -11459,8 +11459,8 @@ static SDValue lowerV4I64VectorShuffle(const SDLoc &DL, ArrayRef<int> Mask,
   // shuffle. However, if we have AVX2 and either inputs are already in place,
   // we will be able to shuffle even across lanes the other input in a single
   // instruction so skip this pattern.
-  if (!(Subtarget.hasAVX2() && (isShuffleMaskInputInPlace(0, Mask) ||
-                                 isShuffleMaskInputInPlace(1, Mask))))
+  if (!isShuffleMaskInputInPlace(0, Mask) &&
+      !isShuffleMaskInputInPlace(1, Mask))
     if (SDValue Result = lowerVectorShuffleByMerging128BitLanes(
             DL, MVT::v4i64, V1, V2, Mask, Subtarget, DAG))
       return Result;