diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index c551cef047a..e2cb59a8338 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -1341,17 +1341,17 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM, setOperationAction(ISD::CTLZ, MVT::v8i32, Legal); setOperationAction(ISD::CTLZ, MVT::v2i64, Legal); setOperationAction(ISD::CTLZ, MVT::v4i32, Legal); - - setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::v4i64, Custom); - setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::v8i32, Custom); - setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::v2i64, Custom); - setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::v4i32, Custom); } else { setOperationAction(ISD::CTLZ, MVT::v4i64, Custom); setOperationAction(ISD::CTLZ, MVT::v8i32, Custom); setOperationAction(ISD::CTLZ, MVT::v2i64, Custom); setOperationAction(ISD::CTLZ, MVT::v4i32, Custom); } + + setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::v4i64, Custom); + setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::v8i32, Custom); + setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::v2i64, Custom); + setOperationAction(ISD::CTTZ_ZERO_UNDEF, MVT::v4i32, Custom); } // Subtarget.hasCDI() if (Subtarget.hasDQI()) { @@ -18783,8 +18783,6 @@ static SDValue LowerCTTZ(SDValue Op, SelectionDAG &DAG) { SDLoc dl(Op); if (VT.isVector()) { - const TargetLowering &TLI = DAG.getTargetLoweringInfo(); - SDValue N0 = Op.getOperand(0); SDValue Zero = DAG.getConstant(0, dl, VT); @@ -18793,8 +18791,7 @@ static SDValue LowerCTTZ(SDValue Op, SelectionDAG &DAG) { DAG.getNode(ISD::SUB, dl, VT, Zero, N0)); // cttz_undef(x) = (width - 1) - ctlz(lsb) - if (Op.getOpcode() == ISD::CTTZ_ZERO_UNDEF && - TLI.isOperationLegal(ISD::CTLZ, VT)) { + if (Op.getOpcode() == ISD::CTTZ_ZERO_UNDEF) { SDValue WidthMinusOne = DAG.getConstant(NumBits - 1, dl, VT); return DAG.getNode(ISD::SUB, dl, VT, WidthMinusOne, DAG.getNode(ISD::CTLZ, dl, VT, LSB)); |
