#include "SPU.h"
#include "SPUTargetMachine.h"
#include "SPUHazardRecognizers.h"
-#include "SPUFrameInfo.h"
-#include "SPURegisterNames.h"
+#include "SPUFrameLowering.h"
#include "SPUTargetMachine.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
-#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Constants.h"
short s_val = (short) i_val;
return i_val == s_val;
}
-
- return false;
}
//! ConstantFPSDNode predicate for representing floats as 16-bit sign ext.
return false;
}
- //===------------------------------------------------------------------===//
- //! EVT to "useful stuff" mapping structure:
-
- struct valtype_map_s {
- EVT VT;
- unsigned ldresult_ins; /// LDRESULT instruction (0 = undefined)
- bool ldresult_imm; /// LDRESULT instruction requires immediate?
- unsigned lrinst; /// LR instruction
- };
-
- const valtype_map_s valtype_map[] = {
- { MVT::i8, SPU::ORBIr8, true, SPU::LRr8 },
- { MVT::i16, SPU::ORHIr16, true, SPU::LRr16 },
- { MVT::i32, SPU::ORIr32, true, SPU::LRr32 },
- { MVT::i64, SPU::ORr64, false, SPU::LRr64 },
- { MVT::f32, SPU::ORf32, false, SPU::LRf32 },
- { MVT::f64, SPU::ORf64, false, SPU::LRf64 },
- // vector types... (sigh!)
- { MVT::v16i8, 0, false, SPU::LRv16i8 },
- { MVT::v8i16, 0, false, SPU::LRv8i16 },
- { MVT::v4i32, 0, false, SPU::LRv4i32 },
- { MVT::v2i64, 0, false, SPU::LRv2i64 },
- { MVT::v4f32, 0, false, SPU::LRv4f32 },
- { MVT::v2f64, 0, false, SPU::LRv2f64 }
- };
-
- const size_t n_valtype_map = sizeof(valtype_map) / sizeof(valtype_map[0]);
-
- const valtype_map_s *getValueTypeMapEntry(EVT VT)
- {
- const valtype_map_s *retval = 0;
- for (size_t i = 0; i < n_valtype_map; ++i) {
- if (valtype_map[i].VT == VT) {
- retval = valtype_map + i;
- break;
- }
- }
-
-
-#ifndef NDEBUG
- if (retval == 0) {
- report_fatal_error("SPUISelDAGToDAG.cpp: getValueTypeMapEntry returns"
- "NULL for " + Twine(VT.getEVTString()));
- }
-#endif
-
- return retval;
- }
-
//! Generate the carry-generate shuffle mask.
SDValue getCarryGenerateShufMask(SelectionDAG &DAG, DebugLoc dl) {
SmallVector<SDValue, 16 > ShufBytes;
return CurDAG->getTargetConstant(Imm, MVT::i32);
}
- /// getI64Imm - Return a target constant with the specified value, of type
- /// i64.
- inline SDValue getI64Imm(uint64_t Imm) {
- return CurDAG->getTargetConstant(Imm, MVT::i64);
- }
-
/// getSmallIPtrImm - Return a target constant of pointer type.
inline SDValue getSmallIPtrImm(unsigned Imm) {
return CurDAG->getTargetConstant(Imm, SPUtli.getPointerTy());
- }
+ }
SDNode *emitBuildVector(SDNode *bvNode) {
EVT vecVT = bvNode->getValueType(0);
unsigned Alignment = cast<ConstantPoolSDNode>(CPIdx)->getAlignment();
SDValue CGPoolOffset =
SPU::LowerConstantPool(CPIdx, *CurDAG, TM);
-
+
HandleSDNode Dummy(CurDAG->getLoad(vecVT, dl,
CurDAG->getEntryNode(), CGPoolOffset,
- PseudoSourceValue::getConstantPool(),0,
- false, false, Alignment));
+ MachinePointerInfo::getConstantPool(),
+ false, false, false, Alignment));
CurDAG->ReplaceAllUsesWith(SDValue(bvNode, 0), Dummy.getValue());
if (SDNode *N = SelectCode(Dummy.getValue().getNode()))
return N;
llvm_unreachable("InlineAsmMemoryOperand 'v' constraint not handled.");
#else
SelectAddrIdxOnly(Op, Op, Op0, Op1);
-#endif
break;
+#endif
}
OutOps.push_back(Op0);
return "Cell SPU DAG->DAG Pattern Instruction Selection";
}
- /// CreateTargetHazardRecognizer - Return the hazard recognizer to use for
- /// this target when scheduling the DAG.
- virtual ScheduleHazardRecognizer *CreateTargetHazardRecognizer() {
- const TargetInstrInfo *II = TM.getInstrInfo();
- assert(II && "No InstrInfo?");
- return new SPUHazardRecognizer(*II);
- }
+ private:
+ SDValue getRC( MVT );
// Include the pieces autogenerated from the target description.
#include "SPUGenDAGISel.inc"
// These match the addr256k operand type:
EVT OffsVT = MVT::i16;
SDValue Zero = CurDAG->getTargetConstant(0, OffsVT);
+ int64_t val;
switch (N.getOpcode()) {
case ISD::Constant:
+ val = dyn_cast<ConstantSDNode>(N.getNode())->getSExtValue();
+ Base = CurDAG->getTargetConstant( val , MVT::i32);
+ Index = Zero;
+ return true;
case ISD::ConstantPool:
case ISD::GlobalAddress:
- report_fatal_error("SPU SelectAFormAddr: Constant/Pool/Global not lowered.");
+ report_fatal_error("SPU SelectAFormAddr: Pool/Global not lowered.");
/*NOTREACHED*/
case ISD::TargetConstant:
SPUDAGToDAGISel::SelectDFormAddr(SDNode *Op, SDValue N, SDValue &Base,
SDValue &Index) {
return DFormAddressPredicate(Op, N, Base, Index,
- SPUFrameInfo::minFrameOffset(),
- SPUFrameInfo::maxFrameOffset());
+ SPUFrameLowering::minFrameOffset(),
+ SPUFrameLowering::maxFrameOffset());
}
bool
int FI = int(FIN->getIndex());
DEBUG(errs() << "SelectDFormAddr: ISD::FrameIndex = "
<< FI << "\n");
- if (SPUFrameInfo::FItoStackOffset(FI) < maxOffset) {
+ if (SPUFrameLowering::FItoStackOffset(FI) < maxOffset) {
Base = CurDAG->getTargetConstant(0, PtrTy);
Index = CurDAG->getTargetFrameIndex(FI, PtrTy);
return true;
DEBUG(errs() << "SelectDFormAddr: ISD::ADD offset = " << offset
<< " frame index = " << FI << "\n");
- if (SPUFrameInfo::FItoStackOffset(FI) < maxOffset) {
+ if (SPUFrameLowering::FItoStackOffset(FI) < maxOffset) {
Base = CurDAG->getTargetConstant(offset, PtrTy);
Index = CurDAG->getTargetFrameIndex(FI, PtrTy);
return true;
DEBUG(errs() << "SelectDFormAddr: ISD::ADD offset = " << offset
<< " frame index = " << FI << "\n");
- if (SPUFrameInfo::FItoStackOffset(FI) < maxOffset) {
+ if (SPUFrameLowering::FItoStackOffset(FI) < maxOffset) {
Base = CurDAG->getTargetConstant(offset, PtrTy);
Index = CurDAG->getTargetFrameIndex(FI, PtrTy);
return true;
Base = CurDAG->getTargetConstant(0, N.getValueType());
Index = N;
return true;
- } else if (Opc == ISD::Register
- ||Opc == ISD::CopyFromReg
+ } else if (Opc == ISD::Register
+ ||Opc == ISD::CopyFromReg
||Opc == ISD::UNDEF
||Opc == ISD::Constant) {
unsigned OpOpc = Op->getOpcode();
return false;
}
+/*!
+ Utility function to use with COPY_TO_REGCLASS instructions. Returns a SDValue
+ to be used as the last parameter of a
+CurDAG->getMachineNode(COPY_TO_REGCLASS,..., ) function call
+ \arg VT the value type for which we want a register class
+*/
+SDValue SPUDAGToDAGISel::getRC( MVT VT ) {
+ switch( VT.SimpleTy ) {
+ case MVT::i8:
+ return CurDAG->getTargetConstant(SPU::R8CRegClass.getID(), MVT::i32);
+ case MVT::i16:
+ return CurDAG->getTargetConstant(SPU::R16CRegClass.getID(), MVT::i32);
+ case MVT::i32:
+ return CurDAG->getTargetConstant(SPU::R32CRegClass.getID(), MVT::i32);
+ case MVT::f32:
+ return CurDAG->getTargetConstant(SPU::R32FPRegClass.getID(), MVT::i32);
+ case MVT::i64:
+ return CurDAG->getTargetConstant(SPU::R64CRegClass.getID(), MVT::i32);
+ case MVT::i128:
+ return CurDAG->getTargetConstant(SPU::GPRCRegClass.getID(), MVT::i32);
+ case MVT::v16i8:
+ case MVT::v8i16:
+ case MVT::v4i32:
+ case MVT::v4f32:
+ case MVT::v2i64:
+ case MVT::v2f64:
+ return CurDAG->getTargetConstant(SPU::VECREGRegClass.getID(), MVT::i32);
+ default:
+ assert( false && "add a new case here" );
+ return SDValue();
+ }
+}
+
//! Convert the operand from a target-independent to a target-specific node
/*!
*/
SPUDAGToDAGISel::Select(SDNode *N) {
unsigned Opc = N->getOpcode();
int n_ops = -1;
- unsigned NewOpc;
+ unsigned NewOpc = 0;
EVT OpVT = N->getValueType(0);
SDValue Ops[8];
DebugLoc dl = N->getDebugLoc();
NewOpc = SPU::Ar32;
Ops[0] = CurDAG->getRegister(SPU::R1, N->getValueType(0));
Ops[1] = SDValue(CurDAG->getMachineNode(SPU::ILAr32, dl,
- N->getValueType(0), TFI, Imm0),
+ N->getValueType(0), TFI),
0);
n_ops = 2;
}
EVT Op0VT = Op0.getValueType();
EVT Op0VecVT = EVT::getVectorVT(*CurDAG->getContext(),
Op0VT, (128 / Op0VT.getSizeInBits()));
- EVT OpVecVT = EVT::getVectorVT(*CurDAG->getContext(),
+ EVT OpVecVT = EVT::getVectorVT(*CurDAG->getContext(),
OpVT, (128 / OpVT.getSizeInBits()));
SDValue shufMask;
}
SDNode *shufMaskLoad = emitBuildVector(shufMask.getNode());
-
+
HandleSDNode PromoteScalar(CurDAG->getNode(SPUISD::PREFSLOT2VEC, dl,
Op0VecVT, Op0));
-
+
SDValue PromScalar;
if (SDNode *N = SelectCode(PromoteScalar.getValue().getNode()))
PromScalar = SDValue(N, 0);
else
PromScalar = PromoteScalar.getValue();
-
+
SDValue zextShuffle =
CurDAG->getNode(SPUISD::SHUFB, dl, OpVecVT,
- PromScalar, PromScalar,
+ PromScalar, PromScalar,
SDValue(shufMaskLoad, 0));
HandleSDNode Dummy2(zextShuffle);
zextShuffle = Dummy2.getValue();
HandleSDNode Dummy(CurDAG->getNode(SPUISD::VEC2PREFSLOT, dl, OpVT,
zextShuffle));
-
+
CurDAG->ReplaceAllUsesWith(N, Dummy.getValue().getNode());
SelectCode(Dummy.getValue().getNode());
return Dummy.getValue().getNode();
HandleSDNode Dummy(CurDAG->getNode(SPUISD::ADD64_MARKER, dl, OpVT,
N->getOperand(0), N->getOperand(1),
SDValue(CGLoad, 0)));
-
+
CurDAG->ReplaceAllUsesWith(N, Dummy.getValue().getNode());
if (SDNode *N = SelectCode(Dummy.getValue().getNode()))
return N;
HandleSDNode Dummy(CurDAG->getNode(SPUISD::SUB64_MARKER, dl, OpVT,
N->getOperand(0), N->getOperand(1),
SDValue(CGLoad, 0)));
-
+
CurDAG->ReplaceAllUsesWith(N, Dummy.getValue().getNode());
if (SDNode *N = SelectCode(Dummy.getValue().getNode()))
return N;
if (shift_amt >= 32) {
SDNode *hi32 =
- CurDAG->getMachineNode(SPU::ORr32_r64, dl, OpVT,
- Op0.getOperand(0));
+ CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl, OpVT,
+ Op0.getOperand(0), getRC(MVT::i32));
shift_amt -= 32;
if (shift_amt > 0) {
SDValue Arg = N->getOperand(0);
SDValue Chain = N->getOperand(1);
SDNode *Result;
- const valtype_map_s *vtm = getValueTypeMapEntry(VT);
-
- if (vtm->ldresult_ins == 0) {
- report_fatal_error("LDRESULT for unsupported type: " +
- Twine(VT.getEVTString()));
- }
-
- Opc = vtm->ldresult_ins;
- if (vtm->ldresult_imm) {
- SDValue Zero = CurDAG->getTargetConstant(0, VT);
-
- Result = CurDAG->getMachineNode(Opc, dl, VT, MVT::Other, Arg, Zero, Chain);
- } else {
- Result = CurDAG->getMachineNode(Opc, dl, VT, MVT::Other, Arg, Arg, Chain);
- }
+ Result = CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl, VT,
+ MVT::Other, Arg,
+ getRC( VT.getSimpleVT()), Chain);
return Result;
+
} else if (Opc == SPUISD::IndirectAddr) {
// Look at the operands: SelectCode() will catch the cases that aren't
// specifically handled here.
NewOpc = SPU::AIr32;
Ops[1] = Op1;
} else {
- Ops[1] = SDValue(CurDAG->getMachineNode(SPU::ILr32, dl,
- N->getValueType(0),
+ Ops[1] = SDValue(CurDAG->getMachineNode(SPU::ILr32, dl,
+ N->getValueType(0),
Op1),
- 0);
+ 0);
}
}
Ops[0] = Op0;
SDNode *
SPUDAGToDAGISel::SelectSHLi64(SDNode *N, EVT OpVT) {
SDValue Op0 = N->getOperand(0);
- EVT VecVT = EVT::getVectorVT(*CurDAG->getContext(),
+ EVT VecVT = EVT::getVectorVT(*CurDAG->getContext(),
OpVT, (128 / OpVT.getSizeInBits()));
SDValue ShiftAmt = N->getOperand(1);
EVT ShiftAmtVT = ShiftAmt.getValueType();
SDValue SelMaskVal;
DebugLoc dl = N->getDebugLoc();
- VecOp0 = CurDAG->getMachineNode(SPU::ORv2i64_i64, dl, VecVT, Op0);
+ VecOp0 = CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl, VecVT,
+ Op0, getRC(MVT::v2i64) );
SelMaskVal = CurDAG->getTargetConstant(0xff00ULL, MVT::i16);
SelMask = CurDAG->getMachineNode(SPU::FSMBIv2i64, dl, VecVT, SelMaskVal);
ZeroFill = CurDAG->getMachineNode(SPU::ILv2i64, dl, VecVT,
SDValue(Shift, 0), SDValue(Bits, 0));
}
- return CurDAG->getMachineNode(SPU::ORi64_v2i64, dl, OpVT, SDValue(Shift, 0));
+ return CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl,
+ OpVT, SDValue(Shift, 0), getRC(MVT::i64));
}
/*!
SDNode *VecOp0, *Shift = 0;
DebugLoc dl = N->getDebugLoc();
- VecOp0 = CurDAG->getMachineNode(SPU::ORv2i64_i64, dl, VecVT, Op0);
+ VecOp0 = CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl, VecVT,
+ Op0, getRC(MVT::v2i64) );
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(ShiftAmt)) {
unsigned bytes = unsigned(CN->getZExtValue()) >> 3;
SDValue(Shift, 0), SDValue(Bits, 0));
}
- return CurDAG->getMachineNode(SPU::ORi64_v2i64, dl, OpVT, SDValue(Shift, 0));
+ return CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl,
+ OpVT, SDValue(Shift, 0), getRC(MVT::i64));
}
/*!
SDNode *
SPUDAGToDAGISel::SelectSRAi64(SDNode *N, EVT OpVT) {
// Promote Op0 to vector
- EVT VecVT = EVT::getVectorVT(*CurDAG->getContext(),
+ EVT VecVT = EVT::getVectorVT(*CurDAG->getContext(),
OpVT, (128 / OpVT.getSizeInBits()));
SDValue ShiftAmt = N->getOperand(1);
EVT ShiftAmtVT = ShiftAmt.getValueType();
DebugLoc dl = N->getDebugLoc();
SDNode *VecOp0 =
- CurDAG->getMachineNode(SPU::ORv2i64_i64, dl, VecVT, N->getOperand(0));
+ CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl,
+ VecVT, N->getOperand(0), getRC(MVT::v2i64));
SDValue SignRotAmt = CurDAG->getTargetConstant(31, ShiftAmtVT);
SDNode *SignRot =
CurDAG->getMachineNode(SPU::ROTMAIv2i64_i32, dl, MVT::v2i64,
SDValue(VecOp0, 0), SignRotAmt);
SDNode *UpperHalfSign =
- CurDAG->getMachineNode(SPU::ORi32_v4i32, dl, MVT::i32, SDValue(SignRot, 0));
+ CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl,
+ MVT::i32, SDValue(SignRot, 0), getRC(MVT::i32));
SDNode *UpperHalfSignMask =
CurDAG->getMachineNode(SPU::FSM64r32, dl, VecVT, SDValue(UpperHalfSign, 0));
SDValue(Shift, 0), SDValue(NegShift, 0));
}
- return CurDAG->getMachineNode(SPU::ORi64_v2i64, dl, OpVT, SDValue(Shift, 0));
+ return CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl,
+ OpVT, SDValue(Shift, 0), getRC(MVT::i64));
}
/*!
// Here's where it gets interesting, because we have to parse out the
// subtree handed back in i64vec:
- if (i64vec.getOpcode() == ISD::BIT_CONVERT) {
+ if (i64vec.getOpcode() == ISD::BITCAST) {
// The degenerate case where the upper and lower bits in the splat are
// identical:
SDValue Op0 = i64vec.getOperand(0);
ReplaceUses(i64vec, Op0);
- return CurDAG->getMachineNode(SPU::ORi64_v2i64, dl, OpVT,
- SDValue(emitBuildVector(Op0.getNode()), 0));
+ return CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl, OpVT,
+ SDValue(emitBuildVector(Op0.getNode()), 0),
+ getRC(MVT::i64));
} else if (i64vec.getOpcode() == SPUISD::SHUFB) {
SDValue lhs = i64vec.getOperand(0);
SDValue rhs = i64vec.getOperand(1);
SDValue shufmask = i64vec.getOperand(2);
- if (lhs.getOpcode() == ISD::BIT_CONVERT) {
+ if (lhs.getOpcode() == ISD::BITCAST) {
ReplaceUses(lhs, lhs.getOperand(0));
lhs = lhs.getOperand(0);
}
? lhs.getNode()
: emitBuildVector(lhs.getNode()));
- if (rhs.getOpcode() == ISD::BIT_CONVERT) {
+ if (rhs.getOpcode() == ISD::BITCAST) {
ReplaceUses(rhs, rhs.getOperand(0));
rhs = rhs.getOperand(0);
}
? rhs.getNode()
: emitBuildVector(rhs.getNode()));
- if (shufmask.getOpcode() == ISD::BIT_CONVERT) {
+ if (shufmask.getOpcode() == ISD::BITCAST) {
ReplaceUses(shufmask, shufmask.getOperand(0));
shufmask = shufmask.getOperand(0);
}
HandleSDNode Dummy(shufNode);
SDNode *SN = SelectCode(Dummy.getValue().getNode());
if (SN == 0) SN = Dummy.getValue().getNode();
-
- return CurDAG->getMachineNode(SPU::ORi64_v2i64, dl, OpVT, SDValue(SN, 0));
+
+ return CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl,
+ OpVT, SDValue(SN, 0), getRC(MVT::i64));
} else if (i64vec.getOpcode() == ISD::BUILD_VECTOR) {
- return CurDAG->getMachineNode(SPU::ORi64_v2i64, dl, OpVT,
- SDValue(emitBuildVector(i64vec.getNode()), 0));
+ return CurDAG->getMachineNode(TargetOpcode::COPY_TO_REGCLASS, dl, OpVT,
+ SDValue(emitBuildVector(i64vec.getNode()), 0),
+ getRC(MVT::i64));
} else {
report_fatal_error("SPUDAGToDAGISel::SelectI64Constant: Unhandled i64vec"
"condition");
projects / oota-llvm.git / blobdiff