[llvm] r267109 - [SystemZ] Mark CTTZ_ZERO_UNDEF/CTLZ_ZERO_UNDEF as Expand instead of Custom since the custom logic just did what Expand does when CTTZ/CTLZ are Legal. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Fri Apr 22 00:29:58 2016
New Revision: 267109

URL: http://llvm.org/viewvc/llvm-project?rev=267109&view=rev
Log:
[SystemZ] Mark CTTZ_ZERO_UNDEF/CTLZ_ZERO_UNDEF as Expand instead of Custom since the custom logic just did what Expand does when CTTZ/CTLZ are Legal. NFC

Modified:
    llvm/trunk/lib/Target/SystemZ/SystemZISelLowering.cpp

Modified: llvm/trunk/lib/Target/SystemZ/SystemZISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZISelLowering.cpp?rev=267109&r1=267108&r2=267109&view=diff
==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZISelLowering.cpp Fri Apr 22 00:29:58 2016
@@ -312,8 +312,8 @@ SystemZTargetLowering::SystemZTargetLowe
       setOperationAction(ISD::CTPOP, VT, Custom);
       setOperationAction(ISD::CTTZ, VT, Legal);
       setOperationAction(ISD::CTLZ, VT, Legal);
-      setOperationAction(ISD::CTTZ_ZERO_UNDEF, VT, Custom);
-      setOperationAction(ISD::CTLZ_ZERO_UNDEF, VT, Custom);
+      setOperationAction(ISD::CTTZ_ZERO_UNDEF, VT, Expand);
+      setOperationAction(ISD::CTLZ_ZERO_UNDEF, VT, Expand);
 
       // Convert a GPR scalar to a vector by inserting it into element 0.
       setOperationAction(ISD::SCALAR_TO_VECTOR, VT, Custom);
@@ -4471,12 +4471,6 @@ SDValue SystemZTargetLowering::LowerOper
     return lowerOR(Op, DAG);
   case ISD::CTPOP:
     return lowerCTPOP(Op, DAG);
-  case ISD::CTLZ_ZERO_UNDEF:
-    return DAG.getNode(ISD::CTLZ, SDLoc(Op),
-                       Op.getValueType(), Op.getOperand(0));
-  case ISD::CTTZ_ZERO_UNDEF:
-    return DAG.getNode(ISD::CTTZ, SDLoc(Op),
-                       Op.getValueType(), Op.getOperand(0));
   case ISD::ATOMIC_FENCE:
     return lowerATOMIC_FENCE(Op, DAG);
   case ISD::ATOMIC_SWAP: