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R600: Remove dead code 

llvm-svn: 210994
This commit is contained in:
Matt Arsenault 2014-06-15 19:48:13 +00:00
parent b9597a8e57
commit 66ee0816da
2 changed files with 11 additions and 75 deletions
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3
llvm/lib/Target/R600/AMDGPUISelLowering.h
View File

@ -147,8 +147,6 @@ public:
private:
void InitAMDILLowering();
SDValue LowerSREM(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSREM8(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSREM16(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSREM32(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSREM64(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSDIV(SDValue Op, SelectionDAG &DAG) const;
@ -160,7 +158,6 @@ private:
unsigned BitsDiff,
SelectionDAG &DAG) const;
SDValue LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) const;
EVT genIntType(uint32_t size = 32, uint32_t numEle = 1) const;
SDValue LowerBRCOND(SDValue Op, SelectionDAG &DAG) const;
};

83
llvm/lib/Target/R600/AMDILISelLowering.cpp
View File

@ -167,41 +167,14 @@ AMDGPUTargetLowering::LowerSDIV(SDValue Op, SelectionDAG &DAG) const {
SDValue
AMDGPUTargetLowering::LowerSREM(SDValue Op, SelectionDAG &DAG) const {
EVT OVT = Op.getValueType();
SDValue DST;
if (OVT.getScalarType() == MVT::i64) {
DST = LowerSREM64(Op, DAG);
} else if (OVT.getScalarType() == MVT::i32) {
DST = LowerSREM32(Op, DAG);
} else if (OVT.getScalarType() == MVT::i16) {
DST = LowerSREM16(Op, DAG);
} else if (OVT.getScalarType() == MVT::i8) {
DST = LowerSREM8(Op, DAG);
} else {
DST = SDValue(Op.getNode(), 0);
}
return DST;
}
EVT
AMDGPUTargetLowering::genIntType(uint32_t size, uint32_t numEle) const {
int iSize = (size * numEle);
int vEle = (iSize >> ((size == 64) ? 6 : 5));
if (!vEle) {
vEle = 1;
}
if (size == 64) {
if (vEle == 1) {
return EVT(MVT::i64);
} else {
return EVT(MVT::getVectorVT(MVT::i64, vEle));
}
} else {
if (vEle == 1) {
return EVT(MVT::i32);
} else {
return EVT(MVT::getVectorVT(MVT::i32, vEle));
}
}
if (OVT.getScalarType() == MVT::i64)
return LowerSREM64(Op, DAG);
if (OVT.getScalarType() == MVT::i32)
return LowerSREM32(Op, DAG);
return SDValue(Op.getNode(), 0);
}
SDValue
@ -241,7 +214,7 @@ AMDGPUTargetLowering::LowerSDIV24(SDValue Op, SelectionDAG &DAG) const {
SDValue jq = DAG.getNode(ISD::XOR, DL, OVT, LHS, RHS);
// jq = jq >> (bitsize - 2)
jq = DAG.getNode(ISD::SRA, DL, OVT, jq, DAG.getConstant(bitsize - 2, OVT));
jq = DAG.getNode(ISD::SRA, DL, OVT, jq, DAG.getConstant(bitsize - 2, OVT));
// jq = jq | 0x1
jq = DAG.getNode(ISD::OR, DL, OVT, jq, DAG.getConstant(1, OVT));
@ -291,7 +264,7 @@ AMDGPUTargetLowering::LowerSDIV24(SDValue Op, SelectionDAG &DAG) const {
cv = DAG.getSetCC(DL, INTTY, fr, fb, ISD::SETOGE);
}
// jq = (cv ? jq : 0);
jq = DAG.getNode(ISD::SELECT, DL, OVT, cv, jq,
jq = DAG.getNode(ISD::SELECT, DL, OVT, cv, jq,
DAG.getConstant(0, OVT));
// dst = iq + jq;
iq = DAG.getSExtOrTrunc(iq, DL, OVT);
@ -361,7 +334,7 @@ AMDGPUTargetLowering::LowerSDIV32(SDValue Op, SelectionDAG &DAG) const {
r0 = DAG.getNode(ISD::ADD, DL, OVT, r0, r10);
// ixor DST, r0, r10
SDValue DST = DAG.getNode(ISD::XOR, DL, OVT, r0, r10);
SDValue DST = DAG.getNode(ISD::XOR, DL, OVT, r0, r10);
return DST;
}
@ -370,40 +343,6 @@ AMDGPUTargetLowering::LowerSDIV64(SDValue Op, SelectionDAG &DAG) const {
return SDValue(Op.getNode(), 0);
}
SDValue
AMDGPUTargetLowering::LowerSREM8(SDValue Op, SelectionDAG &DAG) const {
SDLoc DL(Op);
EVT OVT = Op.getValueType();
MVT INTTY = MVT::i32;
if (OVT == MVT::v2i8) {
INTTY = MVT::v2i32;
} else if (OVT == MVT::v4i8) {
INTTY = MVT::v4i32;
}
SDValue LHS = DAG.getSExtOrTrunc(Op.getOperand(0), DL, INTTY);
SDValue RHS = DAG.getSExtOrTrunc(Op.getOperand(1), DL, INTTY);
LHS = DAG.getNode(ISD::SREM, DL, INTTY, LHS, RHS);
LHS = DAG.getSExtOrTrunc(LHS, DL, OVT);
return LHS;
}
SDValue
AMDGPUTargetLowering::LowerSREM16(SDValue Op, SelectionDAG &DAG) const {
SDLoc DL(Op);
EVT OVT = Op.getValueType();
MVT INTTY = MVT::i32;
if (OVT == MVT::v2i16) {
INTTY = MVT::v2i32;
} else if (OVT == MVT::v4i16) {
INTTY = MVT::v4i32;
}
SDValue LHS = DAG.getSExtOrTrunc(Op.getOperand(0), DL, INTTY);
SDValue RHS = DAG.getSExtOrTrunc(Op.getOperand(1), DL, INTTY);
LHS = DAG.getNode(ISD::SREM, DL, INTTY, LHS, RHS);
LHS = DAG.getSExtOrTrunc(LHS, DL, OVT);
return LHS;
}
SDValue
AMDGPUTargetLowering::LowerSREM32(SDValue Op, SelectionDAG &DAG) const {
SDLoc DL(Op);
@ -462,7 +401,7 @@ AMDGPUTargetLowering::LowerSREM32(SDValue Op, SelectionDAG &DAG) const {
r0 = DAG.getNode(ISD::ADD, DL, OVT, r0, r10);
// ixor DST, r0, r10
SDValue DST = DAG.getNode(ISD::XOR, DL, OVT, r0, r10);
SDValue DST = DAG.getNode(ISD::XOR, DL, OVT, r0, r10);
return DST;
}