[llvm] r215461 - R600: Remove unused code.
Jan Vesely
jan.vesely at rutgers.edu
Tue Aug 12 10:31:19 PDT 2014
Author: jvesely
Date: Tue Aug 12 12:31:19 2014
New Revision: 215461
URL: http://llvm.org/viewvc/llvm-project?rev=215461&view=rev
Log:
R600: Remove unused code.
Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
Modified:
llvm/trunk/lib/Target/R600/AMDGPUISelLowering.cpp
llvm/trunk/lib/Target/R600/AMDGPUISelLowering.h
Modified: llvm/trunk/lib/Target/R600/AMDGPUISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/AMDGPUISelLowering.cpp?rev=215461&r1=215460&r2=215461&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/AMDGPUISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/R600/AMDGPUISelLowering.cpp Tue Aug 12 12:31:19 2014
@@ -310,7 +310,6 @@ AMDGPUTargetLowering::AMDGPUTargetLoweri
setOperationAction(ISD::SUB, VT, Expand);
setOperationAction(ISD::SINT_TO_FP, VT, Expand);
setOperationAction(ISD::UINT_TO_FP, VT, Expand);
- // TODO: Implement custom UREM / SREM routines.
setOperationAction(ISD::SDIV, VT, Expand);
setOperationAction(ISD::UDIV, VT, Expand);
setOperationAction(ISD::SREM, VT, Expand);
@@ -547,8 +546,6 @@ SDValue AMDGPUTargetLowering::LowerOpera
case ISD::EXTRACT_SUBVECTOR: return LowerEXTRACT_SUBVECTOR(Op, DAG);
case ISD::FrameIndex: return LowerFrameIndex(Op, DAG);
case ISD::INTRINSIC_WO_CHAIN: return LowerINTRINSIC_WO_CHAIN(Op, DAG);
- case ISD::SDIV: return LowerSDIV(Op, DAG);
- case ISD::SREM: return LowerSREM(Op, DAG);
case ISD::UDIVREM: return LowerUDIVREM(Op, DAG);
case ISD::SDIVREM: return LowerSDIVREM(Op, DAG);
case ISD::FCEIL: return LowerFCEIL(Op, DAG);
@@ -1476,171 +1473,6 @@ SDValue AMDGPUTargetLowering::LowerSDIVR
return DAG.getMergeValues(Res, DL);
}
-SDValue AMDGPUTargetLowering::LowerSDIV32(SDValue Op, SelectionDAG &DAG) const {
- SDLoc DL(Op);
- EVT OVT = Op.getValueType();
- SDValue LHS = Op.getOperand(0);
- SDValue RHS = Op.getOperand(1);
- // The LowerSDIV32 function generates equivalent to the following IL.
- // mov r0, LHS
- // mov r1, RHS
- // ilt r10, r0, 0
- // ilt r11, r1, 0
- // iadd r0, r0, r10
- // iadd r1, r1, r11
- // ixor r0, r0, r10
- // ixor r1, r1, r11
- // udiv r0, r0, r1
- // ixor r10, r10, r11
- // iadd r0, r0, r10
- // ixor DST, r0, r10
-
- // mov r0, LHS
- SDValue r0 = LHS;
-
- // mov r1, RHS
- SDValue r1 = RHS;
-
- // ilt r10, r0, 0
- SDValue r10 = DAG.getSelectCC(DL,
- r0, DAG.getConstant(0, OVT),
- DAG.getConstant(-1, OVT),
- DAG.getConstant(0, OVT),
- ISD::SETLT);
-
- // ilt r11, r1, 0
- SDValue r11 = DAG.getSelectCC(DL,
- r1, DAG.getConstant(0, OVT),
- DAG.getConstant(-1, OVT),
- DAG.getConstant(0, OVT),
- ISD::SETLT);
-
- // iadd r0, r0, r10
- r0 = DAG.getNode(ISD::ADD, DL, OVT, r0, r10);
-
- // iadd r1, r1, r11
- r1 = DAG.getNode(ISD::ADD, DL, OVT, r1, r11);
-
- // ixor r0, r0, r10
- r0 = DAG.getNode(ISD::XOR, DL, OVT, r0, r10);
-
- // ixor r1, r1, r11
- r1 = DAG.getNode(ISD::XOR, DL, OVT, r1, r11);
-
- // udiv r0, r0, r1
- r0 = DAG.getNode(ISD::UDIV, DL, OVT, r0, r1);
-
- // ixor r10, r10, r11
- r10 = DAG.getNode(ISD::XOR, DL, OVT, r10, r11);
-
- // iadd r0, r0, r10
- r0 = DAG.getNode(ISD::ADD, DL, OVT, r0, r10);
-
- // ixor DST, r0, r10
- SDValue DST = DAG.getNode(ISD::XOR, DL, OVT, r0, r10);
- return DST;
-}
-
-SDValue AMDGPUTargetLowering::LowerSDIV64(SDValue Op, SelectionDAG &DAG) const {
- return SDValue(Op.getNode(), 0);
-}
-
-SDValue AMDGPUTargetLowering::LowerSDIV(SDValue Op, SelectionDAG &DAG) const {
- EVT OVT = Op.getValueType().getScalarType();
-
- if (OVT == MVT::i32) {
- if (DAG.ComputeNumSignBits(Op.getOperand(0)) > 8 &&
- DAG.ComputeNumSignBits(Op.getOperand(1)) > 8) {
- // TODO: We technically could do this for i64, but shouldn't that just be
- // handled by something generally reducing 64-bit division on 32-bit
- // values to 32-bit?
-// return LowerSDIV24(Op, DAG);
- }
-
- return LowerSDIV32(Op, DAG);
- }
-
- assert(OVT == MVT::i64);
- return LowerSDIV64(Op, DAG);
-}
-
-SDValue AMDGPUTargetLowering::LowerSREM32(SDValue Op, SelectionDAG &DAG) const {
- SDLoc DL(Op);
- EVT OVT = Op.getValueType();
- SDValue LHS = Op.getOperand(0);
- SDValue RHS = Op.getOperand(1);
- // The LowerSREM32 function generates equivalent to the following IL.
- // mov r0, LHS
- // mov r1, RHS
- // ilt r10, r0, 0
- // ilt r11, r1, 0
- // iadd r0, r0, r10
- // iadd r1, r1, r11
- // ixor r0, r0, r10
- // ixor r1, r1, r11
- // udiv r20, r0, r1
- // umul r20, r20, r1
- // sub r0, r0, r20
- // iadd r0, r0, r10
- // ixor DST, r0, r10
-
- // mov r0, LHS
- SDValue r0 = LHS;
-
- // mov r1, RHS
- SDValue r1 = RHS;
-
- // ilt r10, r0, 0
- SDValue r10 = DAG.getSetCC(DL, OVT, r0, DAG.getConstant(0, OVT), ISD::SETLT);
-
- // ilt r11, r1, 0
- SDValue r11 = DAG.getSetCC(DL, OVT, r1, DAG.getConstant(0, OVT), ISD::SETLT);
-
- // iadd r0, r0, r10
- r0 = DAG.getNode(ISD::ADD, DL, OVT, r0, r10);
-
- // iadd r1, r1, r11
- r1 = DAG.getNode(ISD::ADD, DL, OVT, r1, r11);
-
- // ixor r0, r0, r10
- r0 = DAG.getNode(ISD::XOR, DL, OVT, r0, r10);
-
- // ixor r1, r1, r11
- r1 = DAG.getNode(ISD::XOR, DL, OVT, r1, r11);
-
- // udiv r20, r0, r1
- SDValue r20 = DAG.getNode(ISD::UREM, DL, OVT, r0, r1);
-
- // umul r20, r20, r1
- r20 = DAG.getNode(AMDGPUISD::UMUL, DL, OVT, r20, r1);
-
- // sub r0, r0, r20
- r0 = DAG.getNode(ISD::SUB, DL, OVT, r0, r20);
-
- // iadd r0, r0, r10
- r0 = DAG.getNode(ISD::ADD, DL, OVT, r0, r10);
-
- // ixor DST, r0, r10
- SDValue DST = DAG.getNode(ISD::XOR, DL, OVT, r0, r10);
- return DST;
-}
-
-SDValue AMDGPUTargetLowering::LowerSREM64(SDValue Op, SelectionDAG &DAG) const {
- return SDValue(Op.getNode(), 0);
-}
-
-SDValue AMDGPUTargetLowering::LowerSREM(SDValue Op, SelectionDAG &DAG) const {
- EVT OVT = Op.getValueType();
-
- if (OVT.getScalarType() == MVT::i64)
- return LowerSREM64(Op, DAG);
-
- if (OVT.getScalarType() == MVT::i32)
- return LowerSREM32(Op, DAG);
-
- return SDValue(Op.getNode(), 0);
-}
-
SDValue AMDGPUTargetLowering::LowerUDIVREM(SDValue Op,
SelectionDAG &DAG) const {
SDLoc DL(Op);
Modified: llvm/trunk/lib/Target/R600/AMDGPUISelLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/AMDGPUISelLowering.h?rev=215461&r1=215460&r2=215461&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/AMDGPUISelLowering.h (original)
+++ llvm/trunk/lib/Target/R600/AMDGPUISelLowering.h Tue Aug 12 12:31:19 2014
@@ -43,12 +43,6 @@ private:
/// \brief Split a vector store into multiple scalar stores.
/// \returns The resulting chain.
- SDValue LowerSDIV(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerSDIV32(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerSDIV64(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerSREM(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerSREM32(SDValue Op, SelectionDAG &DAG) const;
- SDValue LowerSREM64(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerUDIVREM(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFCEIL(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFTRUNC(SDValue Op, SelectionDAG &DAG) const;
More information about the llvm-commits
mailing list