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[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

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llvm-svn: 267109
This commit is contained in:
Craig Topper 2016-04-22 05:29:58 +00:00
parent 9b0556c083
commit 05d7be2051
1 changed files with 2 additions and 8 deletions
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10
lib/Target/SystemZ/SystemZISelLowering.cpp
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@ -312,8 +312,8 @@ SystemZTargetLowering::SystemZTargetLowering(const TargetMachine &TM,
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::LowerOperation(SDValue Op,
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: