[llvm] r348361 - [TargetLowering] Remove ISD::ANY_EXTEND/ANY_EXTEND_VECTOR_INREG opcodes from SimplifyDemandedVectorElts

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Wed Dec  5 04:20:05 2018
New Revision: 348361

URL: http://llvm.org/viewvc/llvm-project?rev=348361&view=rev
Log:
[TargetLowering] Remove ISD::ANY_EXTEND/ANY_EXTEND_VECTOR_INREG opcodes from SimplifyDemandedVectorElts

These have no test coverage and the KnownZero flags can't be guaranteed unlike SIGN/ZERO_EXTEND cases.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp?rev=348361&r1=348360&r2=348361&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/TargetLowering.cpp Wed Dec  5 04:20:05 2018
@@ -1737,7 +1737,6 @@ bool TargetLowering::SimplifyDemandedVec
     }
     break;
   }
-  case ISD::ANY_EXTEND_VECTOR_INREG:
   case ISD::SIGN_EXTEND_VECTOR_INREG:
   case ISD::ZERO_EXTEND_VECTOR_INREG: {
     APInt SrcUndef, SrcZero;
@@ -1770,7 +1769,6 @@ bool TargetLowering::SimplifyDemandedVec
     break;
   }
   case ISD::TRUNCATE:
-  case ISD::ANY_EXTEND:
   case ISD::SIGN_EXTEND:
   case ISD::ZERO_EXTEND:
     if (SimplifyDemandedVectorElts(Op.getOperand(0), DemandedElts, KnownUndef,