[PATCH] D146790: [X86][NFC]Remove dead code in X86ISelLowering.cpp

Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Mar 26 18:30:30 PDT 2023


This revision was automatically updated to reflect the committed changes.
Closed by commit rG12e8463b149c: [X86][NFC]Remove dead code in X86ISelLowering.cpp (authored by XinWang10, committed by xin10.wang <wangxin8 at f90srv19.nh.intel.com>).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D146790/new/

https://reviews.llvm.org/D146790

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp


Index: llvm/lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- llvm/lib/Target/X86/X86ISelLowering.cpp
+++ llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -15609,10 +15609,6 @@
           lowerShuffleAsShift(DL, MVT::v4i32, V1, V2, Mask, Zeroable, Subtarget,
                               DAG, /*BitwiseOnly*/ false))
     return Shift;
-  if (!Subtarget.preferLowerShuffleAsShift() && NumV2Elements == 0)
-    if (SDValue Rotate =
-            lowerShuffleAsBitRotate(DL, MVT::v4i32, V1, Mask, Subtarget, DAG))
-      return Rotate;
 
   // There are special ways we can lower some single-element blends.
   if (NumV2Elements == 1)


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