//===----------------------------------------------------------------------===//
#include "R600ISelLowering.h"
+#include "AMDGPUFrameLowering.h"
+#include "AMDGPUIntrinsicInfo.h"
+#include "AMDGPUSubtarget.h"
#include "R600Defines.h"
#include "R600InstrInfo.h"
#include "R600MachineFunctionInfo.h"
+#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
using namespace llvm;
-R600TargetLowering::R600TargetLowering(TargetMachine &TM) :
- AMDGPUTargetLowering(TM),
- Gen(TM.getSubtarget<AMDGPUSubtarget>().getGeneration()) {
+R600TargetLowering::R600TargetLowering(TargetMachine &TM,
+ const AMDGPUSubtarget &STI)
+ : AMDGPUTargetLowering(TM, STI), Gen(STI.getGeneration()) {
addRegisterClass(MVT::v4f32, &AMDGPU::R600_Reg128RegClass);
addRegisterClass(MVT::f32, &AMDGPU::R600_Reg32RegClass);
addRegisterClass(MVT::v4i32, &AMDGPU::R600_Reg128RegClass);
addRegisterClass(MVT::v2f32, &AMDGPU::R600_Reg64RegClass);
addRegisterClass(MVT::v2i32, &AMDGPU::R600_Reg64RegClass);
- computeRegisterProperties();
+ computeRegisterProperties(STI.getRegisterInfo());
// Set condition code actions
setCondCodeAction(ISD::SETO, MVT::f32, Expand);
setOperationAction(ISD::BR_CC, MVT::i32, Expand);
setOperationAction(ISD::BR_CC, MVT::f32, Expand);
+ setOperationAction(ISD::BRCOND, MVT::Other, Custom);
setOperationAction(ISD::FSUB, MVT::f32, Expand);
setOperationAction(ISD::SETCC, MVT::i32, Expand);
setOperationAction(ISD::SETCC, MVT::f32, Expand);
setOperationAction(ISD::FP_TO_UINT, MVT::i1, Custom);
+ setOperationAction(ISD::FP_TO_SINT, MVT::i64, Custom);
+ setOperationAction(ISD::FP_TO_UINT, MVT::i64, Custom);
setOperationAction(ISD::SELECT, MVT::i32, Expand);
setOperationAction(ISD::SELECT, MVT::f32, Expand);
setOperationAction(ISD::SELECT, MVT::v2i32, Expand);
- setOperationAction(ISD::SELECT, MVT::v2f32, Expand);
setOperationAction(ISD::SELECT, MVT::v4i32, Expand);
- setOperationAction(ISD::SELECT, MVT::v4f32, Expand);
+
+ // ADD, SUB overflow.
+ // TODO: turn these into Legal?
+ if (Subtarget->hasCARRY())
+ setOperationAction(ISD::UADDO, MVT::i32, Custom);
+
+ if (Subtarget->hasBORROW())
+ setOperationAction(ISD::USUBO, MVT::i32, Custom);
// Expand sign extension of vectors
if (!Subtarget->hasBFE())
// EXTLOAD should be the same as ZEXTLOAD. It is legal for some address
// spaces, so it is custom lowered to handle those where it isn't.
- setLoadExtAction(ISD::SEXTLOAD, MVT::i8, Custom);
- setLoadExtAction(ISD::SEXTLOAD, MVT::i16, Custom);
- setLoadExtAction(ISD::ZEXTLOAD, MVT::i8, Custom);
- setLoadExtAction(ISD::ZEXTLOAD, MVT::i16, Custom);
- setLoadExtAction(ISD::EXTLOAD, MVT::i8, Custom);
- setLoadExtAction(ISD::EXTLOAD, MVT::i16, Custom);
+ for (MVT VT : MVT::integer_valuetypes()) {
+ setLoadExtAction(ISD::SEXTLOAD, VT, MVT::i1, Promote);
+ setLoadExtAction(ISD::SEXTLOAD, VT, MVT::i8, Custom);
+ setLoadExtAction(ISD::SEXTLOAD, VT, MVT::i16, Custom);
+
+ setLoadExtAction(ISD::ZEXTLOAD, VT, MVT::i1, Promote);
+ setLoadExtAction(ISD::ZEXTLOAD, VT, MVT::i8, Custom);
+ setLoadExtAction(ISD::ZEXTLOAD, VT, MVT::i16, Custom);
+
+ setLoadExtAction(ISD::EXTLOAD, VT, MVT::i1, Promote);
+ setLoadExtAction(ISD::EXTLOAD, VT, MVT::i8, Custom);
+ setLoadExtAction(ISD::EXTLOAD, VT, MVT::i16, Custom);
+ }
setOperationAction(ISD::STORE, MVT::i8, Custom);
setOperationAction(ISD::STORE, MVT::i32, Custom);
setOperationAction(ISD::LOAD, MVT::v4i32, Custom);
setOperationAction(ISD::FrameIndex, MVT::i32, Custom);
+ setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v2i32, Custom);
+ setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v2f32, Custom);
+ setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v4i32, Custom);
+ setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v4f32, Custom);
+
+ setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v2i32, Custom);
+ setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v2f32, Custom);
+ setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v4i32, Custom);
+ setOperationAction(ISD::INSERT_VECTOR_ELT, MVT::v4f32, Custom);
+
setTargetDAGCombine(ISD::FP_ROUND);
setTargetDAGCombine(ISD::FP_TO_SINT);
setTargetDAGCombine(ISD::EXTRACT_VECTOR_ELT);
setTargetDAGCombine(ISD::SELECT_CC);
setTargetDAGCombine(ISD::INSERT_VECTOR_ELT);
+ // We don't have 64-bit shifts. Thus we need either SHX i64 or SHX_PARTS i32
+ // to be Legal/Custom in order to avoid library calls.
+ setOperationAction(ISD::SHL_PARTS, MVT::i32, Custom);
+ setOperationAction(ISD::SRL_PARTS, MVT::i32, Custom);
+ setOperationAction(ISD::SRA_PARTS, MVT::i32, Custom);
+
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
- setBooleanContents(ZeroOrNegativeOneBooleanContent);
- setBooleanVectorContents(ZeroOrNegativeOneBooleanContent);
+ const MVT ScalarIntVTs[] = { MVT::i32, MVT::i64 };
+ for (MVT VT : ScalarIntVTs) {
+ setOperationAction(ISD::ADDC, VT, Expand);
+ setOperationAction(ISD::SUBC, VT, Expand);
+ setOperationAction(ISD::ADDE, VT, Expand);
+ setOperationAction(ISD::SUBE, VT, Expand);
+ }
+
setSchedulingPreference(Sched::Source);
}
MachineRegisterInfo &MRI = MF->getRegInfo();
MachineBasicBlock::iterator I = *MI;
const R600InstrInfo *TII =
- static_cast<const R600InstrInfo*>(MF->getTarget().getInstrInfo());
+ static_cast<const R600InstrInfo *>(Subtarget->getInstrInfo());
switch (MI->getOpcode()) {
default:
int DstIdx = TII->getOperandIdx(MI->getOpcode(), AMDGPU::OpName::dst);
assert(DstIdx != -1);
MachineInstrBuilder NewMI;
- if (!MRI.use_empty(MI->getOperand(DstIdx).getReg()))
+ // FIXME: getLDSNoRetOp method only handles LDS_1A1D LDS ops. Add
+ // LDS_1A2D support and remove this special case.
+ if (!MRI.use_empty(MI->getOperand(DstIdx).getReg()) ||
+ MI->getOpcode() == AMDGPU::LDS_CMPST_RET)
return BB;
NewMI = BuildMI(*BB, I, BB->findDebugLoc(I),
R600MachineFunctionInfo *MFI = MF.getInfo<R600MachineFunctionInfo>();
switch (Op.getOpcode()) {
default: return AMDGPUTargetLowering::LowerOperation(Op, DAG);
+ case ISD::EXTRACT_VECTOR_ELT: return LowerEXTRACT_VECTOR_ELT(Op, DAG);
+ case ISD::INSERT_VECTOR_ELT: return LowerINSERT_VECTOR_ELT(Op, DAG);
+ case ISD::SHL_PARTS: return LowerSHLParts(Op, DAG);
+ case ISD::SRA_PARTS:
+ case ISD::SRL_PARTS: return LowerSRXParts(Op, DAG);
+ case ISD::UADDO: return LowerUADDSUBO(Op, DAG, ISD::ADD, AMDGPUISD::CARRY);
+ case ISD::USUBO: return LowerUADDSUBO(Op, DAG, ISD::SUB, AMDGPUISD::BORROW);
case ISD::FCOS:
case ISD::FSIN: return LowerTrig(Op, DAG);
case ISD::SELECT_CC: return LowerSELECT_CC(Op, DAG);
case ISD::STORE: return LowerSTORE(Op, DAG);
- case ISD::LOAD: return LowerLOAD(Op, DAG);
+ case ISD::LOAD: {
+ SDValue Result = LowerLOAD(Op, DAG);
+ assert((!Result.getNode() ||
+ Result.getNode()->getNumValues() == 2) &&
+ "Load should return a value and a chain");
+ return Result;
+ }
+
+ case ISD::BRCOND: return LowerBRCOND(Op, DAG);
case ISD::GlobalAddress: return LowerGlobalAddress(MFI, Op, DAG);
case ISD::INTRINSIC_VOID: {
SDValue Chain = Op.getOperand(0);
return DAG.getCopyToReg(Chain, SDLoc(Op), Reg, Op.getOperand(2));
}
case AMDGPUIntrinsic::R600_store_swizzle: {
+ SDLoc DL(Op);
const SDValue Args[8] = {
Chain,
Op.getOperand(2), // Export Value
Op.getOperand(3), // ArrayBase
Op.getOperand(4), // Type
- DAG.getConstant(0, MVT::i32), // SWZ_X
- DAG.getConstant(1, MVT::i32), // SWZ_Y
- DAG.getConstant(2, MVT::i32), // SWZ_Z
- DAG.getConstant(3, MVT::i32) // SWZ_W
+ DAG.getConstant(0, DL, MVT::i32), // SWZ_X
+ DAG.getConstant(1, DL, MVT::i32), // SWZ_Y
+ DAG.getConstant(2, DL, MVT::i32), // SWZ_Z
+ DAG.getConstant(3, DL, MVT::i32) // SWZ_W
};
- return DAG.getNode(AMDGPUISD::EXPORT, SDLoc(Op), Op.getValueType(),
- Args, 8);
+ return DAG.getNode(AMDGPUISD::EXPORT, DL, Op.getValueType(), Args);
}
// default for switch(IntrinsicID)
int ijb = cast<ConstantSDNode>(Op.getOperand(2))->getSExtValue();
MachineSDNode *interp;
if (ijb < 0) {
- const MachineFunction &MF = DAG.getMachineFunction();
const R600InstrInfo *TII =
- static_cast<const R600InstrInfo*>(MF.getTarget().getInstrInfo());
+ static_cast<const R600InstrInfo *>(Subtarget->getInstrInfo());
interp = DAG.getMachineNode(AMDGPU::INTERP_VEC_LOAD, DL,
- MVT::v4f32, DAG.getTargetConstant(slot / 4 , MVT::i32));
+ MVT::v4f32, DAG.getTargetConstant(slot / 4, DL, MVT::i32));
return DAG.getTargetExtractSubreg(
TII->getRegisterInfo().getSubRegFromChannel(slot % 4),
DL, MVT::f32, SDValue(interp, 0));
if (slot % 4 < 2)
interp = DAG.getMachineNode(AMDGPU::INTERP_PAIR_XY, DL,
- MVT::f32, MVT::f32, DAG.getTargetConstant(slot / 4 , MVT::i32),
+ MVT::f32, MVT::f32, DAG.getTargetConstant(slot / 4, DL, MVT::i32),
RegisterJNode, RegisterINode);
else
interp = DAG.getMachineNode(AMDGPU::INTERP_PAIR_ZW, DL,
- MVT::f32, MVT::f32, DAG.getTargetConstant(slot / 4 , MVT::i32),
+ MVT::f32, MVT::f32, DAG.getTargetConstant(slot / 4, DL, MVT::i32),
RegisterJNode, RegisterINode);
return SDValue(interp, slot % 2);
}
if (IntrinsicID == AMDGPUIntrinsic::R600_interp_xy)
interp = DAG.getMachineNode(AMDGPU::INTERP_PAIR_XY, DL,
- MVT::f32, MVT::f32, DAG.getTargetConstant(slot, MVT::i32),
+ MVT::f32, MVT::f32, DAG.getTargetConstant(slot, DL, MVT::i32),
RegisterJNode, RegisterINode);
else
interp = DAG.getMachineNode(AMDGPU::INTERP_PAIR_ZW, DL,
- MVT::f32, MVT::f32, DAG.getTargetConstant(slot, MVT::i32),
+ MVT::f32, MVT::f32, DAG.getTargetConstant(slot, DL, MVT::i32),
RegisterJNode, RegisterINode);
return DAG.getNode(ISD::BUILD_VECTOR, DL, MVT::v2f32,
SDValue(interp, 0), SDValue(interp, 1));
}
SDValue TexArgs[19] = {
- DAG.getConstant(TextureOp, MVT::i32),
+ DAG.getConstant(TextureOp, DL, MVT::i32),
Op.getOperand(1),
- DAG.getConstant(0, MVT::i32),
- DAG.getConstant(1, MVT::i32),
- DAG.getConstant(2, MVT::i32),
- DAG.getConstant(3, MVT::i32),
+ DAG.getConstant(0, DL, MVT::i32),
+ DAG.getConstant(1, DL, MVT::i32),
+ DAG.getConstant(2, DL, MVT::i32),
+ DAG.getConstant(3, DL, MVT::i32),
Op.getOperand(2),
Op.getOperand(3),
Op.getOperand(4),
- DAG.getConstant(0, MVT::i32),
- DAG.getConstant(1, MVT::i32),
- DAG.getConstant(2, MVT::i32),
- DAG.getConstant(3, MVT::i32),
+ DAG.getConstant(0, DL, MVT::i32),
+ DAG.getConstant(1, DL, MVT::i32),
+ DAG.getConstant(2, DL, MVT::i32),
+ DAG.getConstant(3, DL, MVT::i32),
Op.getOperand(5),
Op.getOperand(6),
Op.getOperand(7),
Op.getOperand(9),
Op.getOperand(10)
};
- return DAG.getNode(AMDGPUISD::TEXTURE_FETCH, DL, MVT::v4f32, TexArgs, 19);
+ return DAG.getNode(AMDGPUISD::TEXTURE_FETCH, DL, MVT::v4f32, TexArgs);
}
case AMDGPUIntrinsic::AMDGPU_dp4: {
SDValue Args[8] = {
DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, Op.getOperand(1),
- DAG.getConstant(0, MVT::i32)),
+ DAG.getConstant(0, DL, MVT::i32)),
DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, Op.getOperand(2),
- DAG.getConstant(0, MVT::i32)),
+ DAG.getConstant(0, DL, MVT::i32)),
DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, Op.getOperand(1),
- DAG.getConstant(1, MVT::i32)),
+ DAG.getConstant(1, DL, MVT::i32)),
DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, Op.getOperand(2),
- DAG.getConstant(1, MVT::i32)),
+ DAG.getConstant(1, DL, MVT::i32)),
DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, Op.getOperand(1),
- DAG.getConstant(2, MVT::i32)),
+ DAG.getConstant(2, DL, MVT::i32)),
DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, Op.getOperand(2),
- DAG.getConstant(2, MVT::i32)),
+ DAG.getConstant(2, DL, MVT::i32)),
DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, Op.getOperand(1),
- DAG.getConstant(3, MVT::i32)),
+ DAG.getConstant(3, DL, MVT::i32)),
DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, Op.getOperand(2),
- DAG.getConstant(3, MVT::i32))
+ DAG.getConstant(3, DL, MVT::i32))
};
- return DAG.getNode(AMDGPUISD::DOT4, DL, MVT::f32, Args, 8);
+ return DAG.getNode(AMDGPUISD::DOT4, DL, MVT::f32, Args);
}
case Intrinsic::r600_read_ngroups_x:
case Intrinsic::r600_read_local_size_z:
return LowerImplicitParameter(DAG, VT, DL, 8);
+ case Intrinsic::AMDGPU_read_workdim:
+ return LowerImplicitParameter(DAG, VT, DL, MFI->ABIArgOffset / 4);
+
case Intrinsic::r600_read_tgid_x:
return CreateLiveInRegister(DAG, &AMDGPU::R600_TReg32RegClass,
AMDGPU::T1_X, VT);
case Intrinsic::r600_read_tidig_z:
return CreateLiveInRegister(DAG, &AMDGPU::R600_TReg32RegClass,
AMDGPU::T0_Z, VT);
+ case Intrinsic::AMDGPU_rsq:
+ // XXX - I'm assuming SI's RSQ_LEGACY matches R600's behavior.
+ return DAG.getNode(AMDGPUISD::RSQ_LEGACY, DL, VT, Op.getOperand(1));
+
+ case AMDGPUIntrinsic::AMDGPU_fract:
+ case AMDGPUIntrinsic::AMDIL_fraction: // Legacy name.
+ return DAG.getNode(AMDGPUISD::FRACT, DL, VT, Op.getOperand(1));
}
// break out of case ISD::INTRINSIC_WO_CHAIN in switch(Op.getOpcode())
break;
default:
AMDGPUTargetLowering::ReplaceNodeResults(N, Results, DAG);
return;
- case ISD::FP_TO_UINT: Results.push_back(LowerFPTOUINT(N->getOperand(0), DAG));
- return;
- case ISD::LOAD: {
- SDNode *Node = LowerLOAD(SDValue(N, 0), DAG).getNode();
- Results.push_back(SDValue(Node, 0));
- Results.push_back(SDValue(Node, 1));
- // XXX: LLVM seems not to replace Chain Value inside CustomWidenLowerNode
- // function
- DAG.ReplaceAllUsesOfValueWith(SDValue(N,1), SDValue(Node, 1));
+ case ISD::FP_TO_UINT:
+ if (N->getValueType(0) == MVT::i1) {
+ Results.push_back(LowerFPTOUINT(N->getOperand(0), DAG));
+ return;
+ }
+ // Fall-through. Since we don't care about out of bounds values
+ // we can use FP_TO_SINT for uints too. The DAGLegalizer code for uint
+ // considers some extra cases which are not necessary here.
+ case ISD::FP_TO_SINT: {
+ SDValue Result;
+ if (expandFP_TO_SINT(N, Result, DAG))
+ Results.push_back(Result);
return;
}
- case ISD::STORE:
- SDNode *Node = LowerSTORE(SDValue(N, 0), DAG).getNode();
- Results.push_back(SDValue(Node, 0));
- return;
+ case ISD::SDIVREM: {
+ SDValue Op = SDValue(N, 1);
+ SDValue RES = LowerSDIVREM(Op, DAG);
+ Results.push_back(RES);
+ Results.push_back(RES.getValue(1));
+ break;
+ }
+ case ISD::UDIVREM: {
+ SDValue Op = SDValue(N, 0);
+ LowerUDIVREM64(Op, DAG, Results);
+ break;
+ }
+ }
+}
+
+SDValue R600TargetLowering::vectorToVerticalVector(SelectionDAG &DAG,
+ SDValue Vector) const {
+
+ SDLoc DL(Vector);
+ EVT VecVT = Vector.getValueType();
+ EVT EltVT = VecVT.getVectorElementType();
+ SmallVector<SDValue, 8> Args;
+
+ for (unsigned i = 0, e = VecVT.getVectorNumElements();
+ i != e; ++i) {
+ Args.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, EltVT, Vector,
+ DAG.getConstant(i, DL, getVectorIdxTy())));
}
+
+ return DAG.getNode(AMDGPUISD::BUILD_VERTICAL_VECTOR, DL, VecVT, Args);
+}
+
+SDValue R600TargetLowering::LowerEXTRACT_VECTOR_ELT(SDValue Op,
+ SelectionDAG &DAG) const {
+
+ SDLoc DL(Op);
+ SDValue Vector = Op.getOperand(0);
+ SDValue Index = Op.getOperand(1);
+
+ if (isa<ConstantSDNode>(Index) ||
+ Vector.getOpcode() == AMDGPUISD::BUILD_VERTICAL_VECTOR)
+ return Op;
+
+ Vector = vectorToVerticalVector(DAG, Vector);
+ return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, Op.getValueType(),
+ Vector, Index);
+}
+
+SDValue R600TargetLowering::LowerINSERT_VECTOR_ELT(SDValue Op,
+ SelectionDAG &DAG) const {
+ SDLoc DL(Op);
+ SDValue Vector = Op.getOperand(0);
+ SDValue Value = Op.getOperand(1);
+ SDValue Index = Op.getOperand(2);
+
+ if (isa<ConstantSDNode>(Index) ||
+ Vector.getOpcode() == AMDGPUISD::BUILD_VERTICAL_VECTOR)
+ return Op;
+
+ Vector = vectorToVerticalVector(DAG, Vector);
+ SDValue Insert = DAG.getNode(ISD::INSERT_VECTOR_ELT, DL, Op.getValueType(),
+ Vector, Value, Index);
+ return vectorToVerticalVector(DAG, Insert);
}
SDValue R600TargetLowering::LowerTrig(SDValue Op, SelectionDAG &DAG) const {
// Thus we lower them to TRIG ( FRACT ( x / 2Pi + 0.5) - 0.5)
EVT VT = Op.getValueType();
SDValue Arg = Op.getOperand(0);
- SDValue FractPart = DAG.getNode(AMDGPUISD::FRACT, SDLoc(Op), VT,
- DAG.getNode(ISD::FADD, SDLoc(Op), VT,
- DAG.getNode(ISD::FMUL, SDLoc(Op), VT, Arg,
- DAG.getConstantFP(0.15915494309, MVT::f32)),
- DAG.getConstantFP(0.5, MVT::f32)));
+ SDLoc DL(Op);
+ SDValue FractPart = DAG.getNode(AMDGPUISD::FRACT, DL, VT,
+ DAG.getNode(ISD::FADD, DL, VT,
+ DAG.getNode(ISD::FMUL, DL, VT, Arg,
+ DAG.getConstantFP(0.15915494309, DL, MVT::f32)),
+ DAG.getConstantFP(0.5, DL, MVT::f32)));
unsigned TrigNode;
switch (Op.getOpcode()) {
case ISD::FCOS:
default:
llvm_unreachable("Wrong trig opcode");
}
- SDValue TrigVal = DAG.getNode(TrigNode, SDLoc(Op), VT,
- DAG.getNode(ISD::FADD, SDLoc(Op), VT, FractPart,
- DAG.getConstantFP(-0.5, MVT::f32)));
+ SDValue TrigVal = DAG.getNode(TrigNode, DL, VT,
+ DAG.getNode(ISD::FADD, DL, VT, FractPart,
+ DAG.getConstantFP(-0.5, DL, MVT::f32)));
if (Gen >= AMDGPUSubtarget::R700)
return TrigVal;
// On R600 hw, COS/SIN input must be between -Pi and Pi.
- return DAG.getNode(ISD::FMUL, SDLoc(Op), VT, TrigVal,
- DAG.getConstantFP(3.14159265359, MVT::f32));
+ return DAG.getNode(ISD::FMUL, DL, VT, TrigVal,
+ DAG.getConstantFP(3.14159265359, DL, MVT::f32));
+}
+
+SDValue R600TargetLowering::LowerSHLParts(SDValue Op, SelectionDAG &DAG) const {
+ SDLoc DL(Op);
+ EVT VT = Op.getValueType();
+
+ SDValue Lo = Op.getOperand(0);
+ SDValue Hi = Op.getOperand(1);
+ SDValue Shift = Op.getOperand(2);
+ SDValue Zero = DAG.getConstant(0, DL, VT);
+ SDValue One = DAG.getConstant(1, DL, VT);
+
+ SDValue Width = DAG.getConstant(VT.getSizeInBits(), DL, VT);
+ SDValue Width1 = DAG.getConstant(VT.getSizeInBits() - 1, DL, VT);
+ SDValue BigShift = DAG.getNode(ISD::SUB, DL, VT, Shift, Width);
+ SDValue CompShift = DAG.getNode(ISD::SUB, DL, VT, Width1, Shift);
+
+ // The dance around Width1 is necessary for 0 special case.
+ // Without it the CompShift might be 32, producing incorrect results in
+ // Overflow. So we do the shift in two steps, the alternative is to
+ // add a conditional to filter the special case.
+
+ SDValue Overflow = DAG.getNode(ISD::SRL, DL, VT, Lo, CompShift);
+ Overflow = DAG.getNode(ISD::SRL, DL, VT, Overflow, One);
+
+ SDValue HiSmall = DAG.getNode(ISD::SHL, DL, VT, Hi, Shift);
+ HiSmall = DAG.getNode(ISD::OR, DL, VT, HiSmall, Overflow);
+ SDValue LoSmall = DAG.getNode(ISD::SHL, DL, VT, Lo, Shift);
+
+ SDValue HiBig = DAG.getNode(ISD::SHL, DL, VT, Lo, BigShift);
+ SDValue LoBig = Zero;
+
+ Hi = DAG.getSelectCC(DL, Shift, Width, HiSmall, HiBig, ISD::SETULT);
+ Lo = DAG.getSelectCC(DL, Shift, Width, LoSmall, LoBig, ISD::SETULT);
+
+ return DAG.getNode(ISD::MERGE_VALUES, DL, DAG.getVTList(VT,VT), Lo, Hi);
+}
+
+SDValue R600TargetLowering::LowerSRXParts(SDValue Op, SelectionDAG &DAG) const {
+ SDLoc DL(Op);
+ EVT VT = Op.getValueType();
+
+ SDValue Lo = Op.getOperand(0);
+ SDValue Hi = Op.getOperand(1);
+ SDValue Shift = Op.getOperand(2);
+ SDValue Zero = DAG.getConstant(0, DL, VT);
+ SDValue One = DAG.getConstant(1, DL, VT);
+
+ const bool SRA = Op.getOpcode() == ISD::SRA_PARTS;
+
+ SDValue Width = DAG.getConstant(VT.getSizeInBits(), DL, VT);
+ SDValue Width1 = DAG.getConstant(VT.getSizeInBits() - 1, DL, VT);
+ SDValue BigShift = DAG.getNode(ISD::SUB, DL, VT, Shift, Width);
+ SDValue CompShift = DAG.getNode(ISD::SUB, DL, VT, Width1, Shift);
+
+ // The dance around Width1 is necessary for 0 special case.
+ // Without it the CompShift might be 32, producing incorrect results in
+ // Overflow. So we do the shift in two steps, the alternative is to
+ // add a conditional to filter the special case.
+
+ SDValue Overflow = DAG.getNode(ISD::SHL, DL, VT, Hi, CompShift);
+ Overflow = DAG.getNode(ISD::SHL, DL, VT, Overflow, One);
+
+ SDValue HiSmall = DAG.getNode(SRA ? ISD::SRA : ISD::SRL, DL, VT, Hi, Shift);
+ SDValue LoSmall = DAG.getNode(ISD::SRL, DL, VT, Lo, Shift);
+ LoSmall = DAG.getNode(ISD::OR, DL, VT, LoSmall, Overflow);
+
+ SDValue LoBig = DAG.getNode(SRA ? ISD::SRA : ISD::SRL, DL, VT, Hi, BigShift);
+ SDValue HiBig = SRA ? DAG.getNode(ISD::SRA, DL, VT, Hi, Width1) : Zero;
+
+ Hi = DAG.getSelectCC(DL, Shift, Width, HiSmall, HiBig, ISD::SETULT);
+ Lo = DAG.getSelectCC(DL, Shift, Width, LoSmall, LoBig, ISD::SETULT);
+
+ return DAG.getNode(ISD::MERGE_VALUES, DL, DAG.getVTList(VT,VT), Lo, Hi);
+}
+
+SDValue R600TargetLowering::LowerUADDSUBO(SDValue Op, SelectionDAG &DAG,
+ unsigned mainop, unsigned ovf) const {
+ SDLoc DL(Op);
+ EVT VT = Op.getValueType();
+
+ SDValue Lo = Op.getOperand(0);
+ SDValue Hi = Op.getOperand(1);
+
+ SDValue OVF = DAG.getNode(ovf, DL, VT, Lo, Hi);
+ // Extend sign.
+ OVF = DAG.getNode(ISD::SIGN_EXTEND_INREG, DL, VT, OVF,
+ DAG.getValueType(MVT::i1));
+
+ SDValue Res = DAG.getNode(mainop, DL, VT, Lo, Hi);
+
+ return DAG.getNode(ISD::MERGE_VALUES, DL, DAG.getVTList(VT, VT), Res, OVF);
}
SDValue R600TargetLowering::LowerFPTOUINT(SDValue Op, SelectionDAG &DAG) const {
+ SDLoc DL(Op);
return DAG.getNode(
ISD::SETCC,
- SDLoc(Op),
+ DL,
MVT::i1,
- Op, DAG.getConstantFP(0.0f, MVT::f32),
+ Op, DAG.getConstantFP(0.0f, DL, MVT::f32),
DAG.getCondCode(ISD::SETNE)
);
}
assert(isInt<16>(ByteOffset));
return DAG.getLoad(VT, DL, DAG.getEntryNode(),
- DAG.getConstant(ByteOffset, MVT::i32), // PTR
+ DAG.getConstant(ByteOffset, DL, MVT::i32), // PTR
MachinePointerInfo(ConstantPointerNull::get(PtrType)),
false, false, false, 0);
}
SDValue CC = Op.getOperand(4);
SDValue Temp;
+ if (VT == MVT::f32) {
+ DAGCombinerInfo DCI(DAG, AfterLegalizeVectorOps, true, nullptr);
+ SDValue MinMax = CombineFMinMaxLegacy(DL, VT, LHS, RHS, True, False, CC, DCI);
+ if (MinMax)
+ return MinMax;
+ }
+
// LHS and RHS are guaranteed to be the same value type
EVT CompareVT = LHS.getValueType();
return DAG.getNode(ISD::BITCAST, DL, VT, SelectNode);
}
-
- // Possible Min/Max pattern
- SDValue MinMax = LowerMinMax(Op, DAG);
- if (MinMax.getNode()) {
- return MinMax;
- }
-
// If we make it this for it means we have no native instructions to handle
// this SELECT_CC, so we must lower it.
SDValue HWTrue, HWFalse;
if (CompareVT == MVT::f32) {
- HWTrue = DAG.getConstantFP(1.0f, CompareVT);
- HWFalse = DAG.getConstantFP(0.0f, CompareVT);
+ HWTrue = DAG.getConstantFP(1.0f, DL, CompareVT);
+ HWFalse = DAG.getConstantFP(0.0f, DL, CompareVT);
} else if (CompareVT == MVT::i32) {
- HWTrue = DAG.getConstant(-1, CompareVT);
- HWFalse = DAG.getConstant(0, CompareVT);
+ HWTrue = DAG.getConstant(-1, DL, CompareVT);
+ HWFalse = DAG.getConstant(0, DL, CompareVT);
}
else {
llvm_unreachable("Unhandled value type in LowerSELECT_CC");
default: llvm_unreachable("Invalid stack width");
}
- return DAG.getNode(ISD::SRL, SDLoc(Ptr), Ptr.getValueType(), Ptr,
- DAG.getConstant(SRLPad, MVT::i32));
+ SDLoc DL(Ptr);
+ return DAG.getNode(ISD::SRL, DL, Ptr.getValueType(), Ptr,
+ DAG.getConstant(SRLPad, DL, MVT::i32));
}
void R600TargetLowering::getStackAddress(unsigned StackWidth,
EVT MemVT = StoreNode->getMemoryVT();
SDValue MaskConstant;
if (MemVT == MVT::i8) {
- MaskConstant = DAG.getConstant(0xFF, MVT::i32);
+ MaskConstant = DAG.getConstant(0xFF, DL, MVT::i32);
} else {
assert(MemVT == MVT::i16);
- MaskConstant = DAG.getConstant(0xFFFF, MVT::i32);
+ MaskConstant = DAG.getConstant(0xFFFF, DL, MVT::i32);
}
SDValue DWordAddr = DAG.getNode(ISD::SRL, DL, VT, Ptr,
- DAG.getConstant(2, MVT::i32));
+ DAG.getConstant(2, DL, MVT::i32));
SDValue ByteIndex = DAG.getNode(ISD::AND, DL, Ptr.getValueType(), Ptr,
- DAG.getConstant(0x00000003, VT));
+ DAG.getConstant(0x00000003, DL, VT));
SDValue TruncValue = DAG.getNode(ISD::AND, DL, VT, Value, MaskConstant);
SDValue Shift = DAG.getNode(ISD::SHL, DL, VT, ByteIndex,
- DAG.getConstant(3, VT));
+ DAG.getConstant(3, DL, VT));
SDValue ShiftedValue = DAG.getNode(ISD::SHL, DL, VT, TruncValue, Shift);
SDValue Mask = DAG.getNode(ISD::SHL, DL, VT, MaskConstant, Shift);
// XXX: If we add a 64-bit ZW register class, then we could use a 2 x i32
// vector instead.
SDValue Src[4] = {
ShiftedValue,
- DAG.getConstant(0, MVT::i32),
- DAG.getConstant(0, MVT::i32),
+ DAG.getConstant(0, DL, MVT::i32),
+ DAG.getConstant(0, DL, MVT::i32),
Mask
};
- SDValue Input = DAG.getNode(ISD::BUILD_VECTOR, DL, MVT::v4i32, Src, 4);
+ SDValue Input = DAG.getNode(ISD::BUILD_VECTOR, DL, MVT::v4i32, Src);
SDValue Args[3] = { Chain, Input, DWordAddr };
return DAG.getMemIntrinsicNode(AMDGPUISD::STORE_MSKOR, DL,
- Op->getVTList(), Args, 3, MemVT,
+ Op->getVTList(), Args, MemVT,
StoreNode->getMemOperand());
} else if (Ptr->getOpcode() != AMDGPUISD::DWORDADDR &&
Value.getValueType().bitsGE(MVT::i32)) {
// Convert pointer from byte address to dword address.
Ptr = DAG.getNode(AMDGPUISD::DWORDADDR, DL, Ptr.getValueType(),
DAG.getNode(ISD::SRL, DL, Ptr.getValueType(),
- Ptr, DAG.getConstant(2, MVT::i32)));
+ Ptr, DAG.getConstant(2, DL, MVT::i32)));
if (StoreNode->isTruncatingStore() || StoreNode->isIndexed()) {
llvm_unreachable("Truncated and indexed stores not supported yet");
// Lowering for indirect addressing
const MachineFunction &MF = DAG.getMachineFunction();
- const AMDGPUFrameLowering *TFL = static_cast<const AMDGPUFrameLowering*>(
- getTargetMachine().getFrameLowering());
+ const AMDGPUFrameLowering *TFL =
+ static_cast<const AMDGPUFrameLowering *>(Subtarget->getFrameLowering());
unsigned StackWidth = TFL->getStackWidth(MF);
Ptr = stackPtrToRegIndex(Ptr, StackWidth, DAG);
if (ValueVT.isVector()) {
unsigned NumElemVT = ValueVT.getVectorNumElements();
EVT ElemVT = ValueVT.getVectorElementType();
- SDValue Stores[4];
+ SmallVector<SDValue, 4> Stores(NumElemVT);
assert(NumElemVT >= StackWidth && "Stack width cannot be greater than "
"vector width in load");
unsigned Channel, PtrIncr;
getStackAddress(StackWidth, i, Channel, PtrIncr);
Ptr = DAG.getNode(ISD::ADD, DL, MVT::i32, Ptr,
- DAG.getConstant(PtrIncr, MVT::i32));
+ DAG.getConstant(PtrIncr, DL, MVT::i32));
SDValue Elem = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, ElemVT,
- Value, DAG.getConstant(i, MVT::i32));
+ Value, DAG.getConstant(i, DL, MVT::i32));
Stores[i] = DAG.getNode(AMDGPUISD::REGISTER_STORE, DL, MVT::Other,
Chain, Elem, Ptr,
- DAG.getTargetConstant(Channel, MVT::i32));
+ DAG.getTargetConstant(Channel, DL, MVT::i32));
}
- Chain = DAG.getNode(ISD::TokenFactor, DL, MVT::Other, Stores, NumElemVT);
+ Chain = DAG.getNode(ISD::TokenFactor, DL, MVT::Other, Stores);
} else {
if (ValueVT == MVT::i8) {
Value = DAG.getNode(ISD::ZERO_EXTEND, DL, MVT::i32, Value);
}
Chain = DAG.getNode(AMDGPUISD::REGISTER_STORE, DL, MVT::Other, Chain, Value, Ptr,
- DAG.getTargetConstant(0, MVT::i32)); // Channel
+ DAG.getTargetConstant(0, DL, MVT::i32)); // Channel
}
return Chain;
Ret,
Chain
};
- return DAG.getMergeValues(Ops, 2, DL);
+ return DAG.getMergeValues(Ops, DL);
}
+ // Lower loads constant address space global variable loads
+ if (LoadNode->getAddressSpace() == AMDGPUAS::CONSTANT_ADDRESS &&
+ isa<GlobalVariable>(GetUnderlyingObject(
+ LoadNode->getMemOperand()->getValue(), *getDataLayout()))) {
+
+ SDValue Ptr = DAG.getZExtOrTrunc(LoadNode->getBasePtr(), DL,
+ getPointerTy(AMDGPUAS::PRIVATE_ADDRESS));
+ Ptr = DAG.getNode(ISD::SRL, DL, MVT::i32, Ptr,
+ DAG.getConstant(2, DL, MVT::i32));
+ return DAG.getNode(AMDGPUISD::REGISTER_LOAD, DL, Op->getVTList(),
+ LoadNode->getChain(), Ptr,
+ DAG.getTargetConstant(0, DL, MVT::i32),
+ Op.getOperand(2));
+ }
if (LoadNode->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS && VT.isVector()) {
SDValue MergedValues[2] = {
- SplitVectorLoad(Op, DAG),
+ ScalarizeVectorLoad(Op, DAG),
Chain
};
- return DAG.getMergeValues(MergedValues, 2, DL);
+ return DAG.getMergeValues(MergedValues, DL);
}
int ConstantBlock = ConstantAddressBlock(LoadNode->getAddressSpace());
// Thus we add (((512 + (kc_bank << 12)) + chan ) * 4 here and
// then div by 4 at the ISel step
SDValue NewPtr = DAG.getNode(ISD::ADD, DL, Ptr.getValueType(), Ptr,
- DAG.getConstant(4 * i + ConstantBlock * 16, MVT::i32));
+ DAG.getConstant(4 * i + ConstantBlock * 16, DL, MVT::i32));
Slots[i] = DAG.getNode(AMDGPUISD::CONST_ADDRESS, DL, MVT::i32, NewPtr);
}
EVT NewVT = MVT::v4i32;
NewVT = VT;
NumElements = VT.getVectorNumElements();
}
- Result = DAG.getNode(ISD::BUILD_VECTOR, DL, NewVT, Slots, NumElements);
+ Result = DAG.getNode(ISD::BUILD_VECTOR, DL, NewVT,
+ makeArrayRef(Slots, NumElements));
} else {
// non-constant ptr can't be folded, keeps it as a v4f32 load
Result = DAG.getNode(AMDGPUISD::CONST_ADDRESS, DL, MVT::v4i32,
- DAG.getNode(ISD::SRL, DL, MVT::i32, Ptr, DAG.getConstant(4, MVT::i32)),
- DAG.getConstant(LoadNode->getAddressSpace() -
- AMDGPUAS::CONSTANT_BUFFER_0, MVT::i32)
+ DAG.getNode(ISD::SRL, DL, MVT::i32, Ptr,
+ DAG.getConstant(4, DL, MVT::i32)),
+ DAG.getConstant(LoadNode->getAddressSpace() -
+ AMDGPUAS::CONSTANT_BUFFER_0, DL, MVT::i32)
);
}
if (!VT.isVector()) {
Result = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::i32, Result,
- DAG.getConstant(0, MVT::i32));
+ DAG.getConstant(0, DL, MVT::i32));
}
SDValue MergedValues[2] = {
Result,
Chain
};
- return DAG.getMergeValues(MergedValues, 2, DL);
+ return DAG.getMergeValues(MergedValues, DL);
}
// For most operations returning SDValue() will result in the node being
if (LoadNode->getExtensionType() == ISD::SEXTLOAD) {
EVT MemVT = LoadNode->getMemoryVT();
assert(!MemVT.isVector() && (MemVT == MVT::i16 || MemVT == MVT::i8));
- SDValue ShiftAmount =
- DAG.getConstant(VT.getSizeInBits() - MemVT.getSizeInBits(), MVT::i32);
SDValue NewLoad = DAG.getExtLoad(ISD::EXTLOAD, DL, VT, Chain, Ptr,
LoadNode->getPointerInfo(), MemVT,
LoadNode->isVolatile(),
LoadNode->isNonTemporal(),
+ LoadNode->isInvariant(),
LoadNode->getAlignment());
- SDValue Shl = DAG.getNode(ISD::SHL, DL, VT, NewLoad, ShiftAmount);
- SDValue Sra = DAG.getNode(ISD::SRA, DL, VT, Shl, ShiftAmount);
+ SDValue Res = DAG.getNode(ISD::SIGN_EXTEND_INREG, DL, VT, NewLoad,
+ DAG.getValueType(MemVT));
- SDValue MergedValues[2] = { Sra, Chain };
- return DAG.getMergeValues(MergedValues, 2, DL);
+ SDValue MergedValues[2] = { Res, Chain };
+ return DAG.getMergeValues(MergedValues, DL);
}
if (LoadNode->getAddressSpace() != AMDGPUAS::PRIVATE_ADDRESS) {
// Lowering for indirect addressing
const MachineFunction &MF = DAG.getMachineFunction();
- const AMDGPUFrameLowering *TFL = static_cast<const AMDGPUFrameLowering*>(
- getTargetMachine().getFrameLowering());
+ const AMDGPUFrameLowering *TFL =
+ static_cast<const AMDGPUFrameLowering *>(Subtarget->getFrameLowering());
unsigned StackWidth = TFL->getStackWidth(MF);
Ptr = stackPtrToRegIndex(Ptr, StackWidth, DAG);
unsigned Channel, PtrIncr;
getStackAddress(StackWidth, i, Channel, PtrIncr);
Ptr = DAG.getNode(ISD::ADD, DL, MVT::i32, Ptr,
- DAG.getConstant(PtrIncr, MVT::i32));
+ DAG.getConstant(PtrIncr, DL, MVT::i32));
Loads[i] = DAG.getNode(AMDGPUISD::REGISTER_LOAD, DL, ElemVT,
Chain, Ptr,
- DAG.getTargetConstant(Channel, MVT::i32),
+ DAG.getTargetConstant(Channel, DL, MVT::i32),
Op.getOperand(2));
}
for (unsigned i = NumElemVT; i < 4; ++i) {
Loads[i] = DAG.getUNDEF(ElemVT);
}
EVT TargetVT = EVT::getVectorVT(*DAG.getContext(), ElemVT, 4);
- LoweredLoad = DAG.getNode(ISD::BUILD_VECTOR, DL, TargetVT, Loads, 4);
+ LoweredLoad = DAG.getNode(ISD::BUILD_VECTOR, DL, TargetVT, Loads);
} else {
LoweredLoad = DAG.getNode(AMDGPUISD::REGISTER_LOAD, DL, VT,
Chain, Ptr,
- DAG.getTargetConstant(0, MVT::i32), // Channel
+ DAG.getTargetConstant(0, DL, MVT::i32), // Channel
Op.getOperand(2));
}
Chain
};
- return DAG.getMergeValues(Ops, 2, DL);
+ return DAG.getMergeValues(Ops, DL);
+}
+
+SDValue R600TargetLowering::LowerBRCOND(SDValue Op, SelectionDAG &DAG) const {
+ SDValue Chain = Op.getOperand(0);
+ SDValue Cond = Op.getOperand(1);
+ SDValue Jump = Op.getOperand(2);
+
+ return DAG.getNode(AMDGPUISD::BRANCH_COND, SDLoc(Op), Op.getValueType(),
+ Chain, Jump, Cond);
}
/// XXX Only kernel functions are supported, so we can assume for now that
SDLoc DL, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals) const {
SmallVector<CCValAssign, 16> ArgLocs;
- CCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(),
- getTargetMachine(), ArgLocs, *DAG.getContext());
+ CCState CCInfo(CallConv, isVarArg, DAG.getMachineFunction(), ArgLocs,
+ *DAG.getContext());
MachineFunction &MF = DAG.getMachineFunction();
- unsigned ShaderType = MF.getInfo<R600MachineFunctionInfo>()->ShaderType;
+ R600MachineFunctionInfo *MFI = MF.getInfo<R600MachineFunctionInfo>();
SmallVector<ISD::InputArg, 8> LocalIns;
- getOriginalFunctionArgs(DAG, DAG.getMachineFunction().getFunction(), Ins,
- LocalIns);
+ getOriginalFunctionArgs(DAG, MF.getFunction(), Ins, LocalIns);
AnalyzeFormalArguments(CCInfo, LocalIns);
for (unsigned i = 0, e = Ins.size(); i < e; ++i) {
CCValAssign &VA = ArgLocs[i];
- EVT VT = Ins[i].VT;
- EVT MemVT = LocalIns[i].VT;
+ const ISD::InputArg &In = Ins[i];
+ EVT VT = In.VT;
+ EVT MemVT = VA.getLocVT();
+ if (!VT.isVector() && MemVT.isVector()) {
+ // Get load source type if scalarized.
+ MemVT = MemVT.getVectorElementType();
+ }
- if (ShaderType != ShaderType::COMPUTE) {
+ if (MFI->getShaderType() != ShaderType::COMPUTE) {
unsigned Reg = MF.addLiveIn(VA.getLocReg(), &AMDGPU::R600_Reg128RegClass);
SDValue Register = DAG.getCopyFromReg(Chain, DL, Reg, VT);
InVals.push_back(Register);
}
PointerType *PtrTy = PointerType::get(VT.getTypeForEVT(*DAG.getContext()),
- AMDGPUAS::CONSTANT_BUFFER_0);
+ AMDGPUAS::CONSTANT_BUFFER_0);
// i64 isn't a legal type, so the register type used ends up as i32, which
// isn't expected here. It attempts to create this sextload, but it ends up
// The first 36 bytes of the input buffer contains information about
// thread group and global sizes.
+ ISD::LoadExtType Ext = ISD::NON_EXTLOAD;
+ if (MemVT.getScalarSizeInBits() != VT.getScalarSizeInBits()) {
+ // FIXME: This should really check the extload type, but the handling of
+ // extload vector parameters seems to be broken.
+
+ // Ext = In.Flags.isSExt() ? ISD::SEXTLOAD : ISD::ZEXTLOAD;
+ Ext = ISD::SEXTLOAD;
+ }
- // FIXME: This should really check the extload type, but the handling of
- // extload vecto parameters seems to be broken.
- //ISD::LoadExtType Ext = Ins[i].Flags.isSExt() ? ISD::SEXTLOAD : ISD::ZEXTLOAD;
- ISD::LoadExtType Ext = ISD::SEXTLOAD;
- SDValue Arg = DAG.getExtLoad(Ext, DL, VT, Chain,
- DAG.getConstant(36 + VA.getLocMemOffset(), MVT::i32),
- MachinePointerInfo(UndefValue::get(PtrTy)),
- MemVT, false, false, 4);
- // 4 is the preferred alignment for
- // the CONSTANT memory space.
+ // Compute the offset from the value.
+ // XXX - I think PartOffset should give you this, but it seems to give the
+ // size of the register which isn't useful.
+
+ unsigned ValBase = ArgLocs[In.getOrigArgIndex()].getLocMemOffset();
+ unsigned PartOffset = VA.getLocMemOffset();
+ unsigned Offset = 36 + VA.getLocMemOffset();
+
+ MachinePointerInfo PtrInfo(UndefValue::get(PtrTy), PartOffset - ValBase);
+ SDValue Arg = DAG.getLoad(ISD::UNINDEXED, Ext, VT, DL, Chain,
+ DAG.getConstant(Offset, DL, MVT::i32),
+ DAG.getUNDEF(MVT::i32),
+ PtrInfo,
+ MemVT, false, true, true, 4);
+
+ // 4 is the preferred alignment for the CONSTANT memory space.
InVals.push_back(Arg);
+ MFI->ABIArgOffset = Offset + MemVT.getStoreSize();
}
return Chain;
}
EVT R600TargetLowering::getSetCCResultType(LLVMContext &, EVT VT) const {
- if (!VT.isVector()) return MVT::i32;
+ if (!VT.isVector())
+ return MVT::i32;
return VT.changeVectorElementTypeToInteger();
}
-static SDValue
-CompactSwizzlableVector(SelectionDAG &DAG, SDValue VectorEntry,
- DenseMap<unsigned, unsigned> &RemapSwizzle) {
+static SDValue CompactSwizzlableVector(
+ SelectionDAG &DAG, SDValue VectorEntry,
+ DenseMap<unsigned, unsigned> &RemapSwizzle) {
assert(VectorEntry.getOpcode() == ISD::BUILD_VECTOR);
assert(RemapSwizzle.empty());
SDValue NewBldVec[4] = {
- VectorEntry.getOperand(0),
- VectorEntry.getOperand(1),
- VectorEntry.getOperand(2),
- VectorEntry.getOperand(3)
+ VectorEntry.getOperand(0),
+ VectorEntry.getOperand(1),
+ VectorEntry.getOperand(2),
+ VectorEntry.getOperand(3)
};
for (unsigned i = 0; i < 4; i++) {
}
return DAG.getNode(ISD::BUILD_VECTOR, SDLoc(VectorEntry),
- VectorEntry.getValueType(), NewBldVec, 4);
+ VectorEntry.getValueType(), NewBldVec);
}
static SDValue ReorganizeVector(SelectionDAG &DAG, SDValue VectorEntry,
}
return DAG.getNode(ISD::BUILD_VECTOR, SDLoc(VectorEntry),
- VectorEntry.getValueType(), NewBldVec, 4);
+ VectorEntry.getValueType(), NewBldVec);
}
SDValue R600TargetLowering::OptimizeSwizzle(SDValue BuildVector,
-SDValue Swz[4], SelectionDAG &DAG) const {
+ SDValue Swz[4], SelectionDAG &DAG,
+ SDLoc DL) const {
assert(BuildVector.getOpcode() == ISD::BUILD_VECTOR);
// Old -> New swizzle values
DenseMap<unsigned, unsigned> SwizzleRemap;
BuildVector = CompactSwizzlableVector(DAG, BuildVector, SwizzleRemap);
for (unsigned i = 0; i < 4; i++) {
- unsigned Idx = dyn_cast<ConstantSDNode>(Swz[i])->getZExtValue();
+ unsigned Idx = cast<ConstantSDNode>(Swz[i])->getZExtValue();
if (SwizzleRemap.find(Idx) != SwizzleRemap.end())
- Swz[i] = DAG.getConstant(SwizzleRemap[Idx], MVT::i32);
+ Swz[i] = DAG.getConstant(SwizzleRemap[Idx], DL, MVT::i32);
}
SwizzleRemap.clear();
BuildVector = ReorganizeVector(DAG, BuildVector, SwizzleRemap);
for (unsigned i = 0; i < 4; i++) {
- unsigned Idx = dyn_cast<ConstantSDNode>(Swz[i])->getZExtValue();
+ unsigned Idx = cast<ConstantSDNode>(Swz[i])->getZExtValue();
if (SwizzleRemap.find(Idx) != SwizzleRemap.end())
- Swz[i] = DAG.getConstant(SwizzleRemap[Idx], MVT::i32);
+ Swz[i] = DAG.getConstant(SwizzleRemap[Idx], DL, MVT::i32);
}
return BuildVector;
return SDValue();
}
- return DAG.getNode(ISD::SELECT_CC, SDLoc(N), N->getValueType(0),
+ SDLoc dl(N);
+ return DAG.getNode(ISD::SELECT_CC, dl, N->getValueType(0),
SelectCC.getOperand(0), // LHS
SelectCC.getOperand(1), // RHS
- DAG.getConstant(-1, MVT::i32), // True
- DAG.getConstant(0, MVT::i32), // Flase
+ DAG.getConstant(-1, dl, MVT::i32), // True
+ DAG.getConstant(0, dl, MVT::i32), // False
SelectCC.getOperand(4)); // CC
break;
}
// Return the new vector
- return DAG.getNode(ISD::BUILD_VECTOR, dl,
- VT, Ops.data(), Ops.size());
+ return DAG.getNode(ISD::BUILD_VECTOR, dl, VT, Ops);
}
// Extract_vec (Build_vector) generated by custom lowering
}
case ISD::SELECT_CC: {
+ // Try common optimizations
+ SDValue Ret = AMDGPUTargetLowering::PerformDAGCombine(N, DCI);
+ if (Ret.getNode())
+ return Ret;
+
// fold selectcc (selectcc x, y, a, b, cc), b, a, b, seteq ->
// selectcc x, y, a, b, inv(cc)
//
N->getOperand(7) // SWZ_W
};
SDLoc DL(N);
- NewArgs[1] = OptimizeSwizzle(N->getOperand(1), &NewArgs[4], DAG);
- return DAG.getNode(AMDGPUISD::EXPORT, DL, N->getVTList(), NewArgs, 8);
+ NewArgs[1] = OptimizeSwizzle(N->getOperand(1), &NewArgs[4], DAG, DL);
+ return DAG.getNode(AMDGPUISD::EXPORT, DL, N->getVTList(), NewArgs);
}
case AMDGPUISD::TEXTURE_FETCH: {
SDValue Arg = N->getOperand(1);
N->getOperand(17),
N->getOperand(18),
};
- NewArgs[1] = OptimizeSwizzle(N->getOperand(1), &NewArgs[2], DAG);
- return DAG.getNode(AMDGPUISD::TEXTURE_FETCH, SDLoc(N), N->getVTList(),
- NewArgs, 19);
+ SDLoc DL(N);
+ NewArgs[1] = OptimizeSwizzle(N->getOperand(1), &NewArgs[2], DAG, DL);
+ return DAG.getNode(AMDGPUISD::TEXTURE_FETCH, DL, N->getVTList(), NewArgs);
}
}
- return SDValue();
+
+ return AMDGPUTargetLowering::PerformDAGCombine(N, DCI);
}
static bool
FoldOperand(SDNode *ParentNode, unsigned SrcIdx, SDValue &Src, SDValue &Neg,
SDValue &Abs, SDValue &Sel, SDValue &Imm, SelectionDAG &DAG) {
const R600InstrInfo *TII =
- static_cast<const R600InstrInfo *>(DAG.getTarget().getInstrInfo());
+ static_cast<const R600InstrInfo *>(DAG.getSubtarget().getInstrInfo());
if (!Src.isMachineOpcode())
return false;
switch (Src.getMachineOpcode()) {
if (!Neg.getNode())
return false;
Src = Src.getOperand(0);
- Neg = DAG.getTargetConstant(1, MVT::i32);
+ Neg = DAG.getTargetConstant(1, SDLoc(ParentNode), MVT::i32);
return true;
case AMDGPU::FABS_R600:
if (!Abs.getNode())
return false;
Src = Src.getOperand(0);
- Abs = DAG.getTargetConstant(1, MVT::i32);
+ Abs = DAG.getTargetConstant(1, SDLoc(ParentNode), MVT::i32);
return true;
case AMDGPU::CONST_COPY: {
unsigned Opcode = ParentNode->getMachineOpcode();
TII->getOperandIdx(Opcode, AMDGPU::OpName::src1_W)
};
std::vector<unsigned> Consts;
- for (unsigned i = 0; i < sizeof(SrcIndices) / sizeof(int); i++) {
- int OtherSrcIdx = SrcIndices[i];
+ for (int OtherSrcIdx : SrcIndices) {
int OtherSelIdx = TII->getSelIdx(Opcode, OtherSrcIdx);
if (OtherSrcIdx < 0 || OtherSelIdx < 0)
continue;
if (RegisterSDNode *Reg =
dyn_cast<RegisterSDNode>(ParentNode->getOperand(OtherSrcIdx))) {
if (Reg->getReg() == AMDGPU::ALU_CONST) {
- ConstantSDNode *Cst = dyn_cast<ConstantSDNode>(
- ParentNode->getOperand(OtherSelIdx));
+ ConstantSDNode *Cst
+ = cast<ConstantSDNode>(ParentNode->getOperand(OtherSelIdx));
Consts.push_back(Cst->getZExtValue());
}
}
}
- ConstantSDNode *Cst = dyn_cast<ConstantSDNode>(CstOffset);
+ ConstantSDNode *Cst = cast<ConstantSDNode>(CstOffset);
Consts.push_back(Cst->getZExtValue());
if (!TII->fitsConstReadLimitations(Consts)) {
return false;
assert(C);
if (C->getZExtValue())
return false;
- Imm = DAG.getTargetConstant(ImmValue, MVT::i32);
+ Imm = DAG.getTargetConstant(ImmValue, SDLoc(ParentNode), MVT::i32);
}
Src = DAG.getRegister(ImmReg, MVT::i32);
return true;
SDNode *R600TargetLowering::PostISelFolding(MachineSDNode *Node,
SelectionDAG &DAG) const {
const R600InstrInfo *TII =
- static_cast<const R600InstrInfo *>(DAG.getTarget().getInstrInfo());
+ static_cast<const R600InstrInfo *>(DAG.getSubtarget().getInstrInfo());
if (!Node->isMachineOpcode())
return Node;
unsigned Opcode = Node->getMachineOpcode();
SDValue FakeOp;
- std::vector<SDValue> Ops;
- for(SDNode::op_iterator I = Node->op_begin(), E = Node->op_end();
- I != E; ++I)
- Ops.push_back(*I);
+ std::vector<SDValue> Ops(Node->op_begin(), Node->op_end());
if (Opcode == AMDGPU::DOT_4) {
int OperandIdx[] = {
AMDGPU::OpName::clamp);
if (ClampIdx < 0)
return Node;
- std::vector<SDValue> Ops;
- unsigned NumOp = Src.getNumOperands();
- for(unsigned i = 0; i < NumOp; ++i)
- Ops.push_back(Src.getOperand(i));
- Ops[ClampIdx - 1] = DAG.getTargetConstant(1, MVT::i32);
- return DAG.getMachineNode(Src.getMachineOpcode(), SDLoc(Node),
- Node->getVTList(), Ops);
+ SDLoc DL(Node);
+ std::vector<SDValue> Ops(Src->op_begin(), Src->op_end());
+ Ops[ClampIdx - 1] = DAG.getTargetConstant(1, DL, MVT::i32);
+ return DAG.getMachineNode(Src.getMachineOpcode(), DL,
+ Node->getVTList(), Ops);
} else {
if (!TII->hasInstrModifiers(Opcode))
return Node;
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