1 files changed, 0 insertions, 11 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 44815757515..998f6e2af49 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -5940,17 +5940,6 @@ static bool getFauxShuffleMask(SDValue N, SmallVectorImpl<int> &Mask,
 
   unsigned Opcode = N.getOpcode();
   switch (Opcode) {
-  case ISD::VECTOR_SHUFFLE: {
-    // Don't treat ISD::VECTOR_SHUFFLE as a target shuffle so decode it here.
-    ArrayRef<int> ShuffleMask = cast<ShuffleVectorSDNode>(N)->getMask();
-    if (isUndefOrInRange(ShuffleMask, 0, 2 * NumElts)) {
-      Mask.append(ShuffleMask.begin(), ShuffleMask.end());
-      Ops.push_back(N.getOperand(0));
-      Ops.push_back(N.getOperand(1));
-      return true;
-    }
-    return false;
-  }
   case ISD::AND:
   case X86ISD::ANDNP: {
     // Attempt to decode as a per-byte mask.