#include "ARM.h"
#include "ARMAddressingModes.h"
-#include "ARMConstantPoolValue.h"
#include "ARMISelLowering.h"
#include "ARMTargetMachine.h"
#include "llvm/CallingConv.h"
using namespace llvm;
-static const unsigned arm_dsubreg_0 = 5;
-static const unsigned arm_dsubreg_1 = 6;
-
//===--------------------------------------------------------------------===//
/// ARMDAGToDAGISel - ARM specific code to select ARM machine
/// instructions for SelectionDAG operations.
const ARMSubtarget *Subtarget;
public:
- explicit ARMDAGToDAGISel(ARMBaseTargetMachine &tm)
- : SelectionDAGISel(tm), TM(tm),
+ explicit ARMDAGToDAGISel(ARMBaseTargetMachine &tm,
+ CodeGenOpt::Level OptLevel)
+ : SelectionDAGISel(tm, OptLevel), TM(tm),
Subtarget(&TM.getSubtarget<ARMSubtarget>()) {
}
return "ARM Instruction Selection";
}
- /// getI32Imm - Return a target constant with the specified value, of type i32.
+ /// getI32Imm - Return a target constant of type i32 with the specified
+ /// value.
inline SDValue getI32Imm(unsigned Imm) {
- return CurDAG->getTargetConstant(Imm, EVT::i32);
+ return CurDAG->getTargetConstant(Imm, MVT::i32);
}
- SDNode *Select(SDValue Op);
+ SDNode *Select(SDNode *N);
virtual void InstructionSelect();
- bool SelectShifterOperandReg(SDValue Op, SDValue N, SDValue &A,
+ bool SelectShifterOperandReg(SDNode *Op, SDValue N, SDValue &A,
SDValue &B, SDValue &C);
- bool SelectAddrMode2(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectAddrMode2(SDNode *Op, SDValue N, SDValue &Base,
SDValue &Offset, SDValue &Opc);
- bool SelectAddrMode2Offset(SDValue Op, SDValue N,
+ bool SelectAddrMode2Offset(SDNode *Op, SDValue N,
SDValue &Offset, SDValue &Opc);
- bool SelectAddrMode3(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectAddrMode3(SDNode *Op, SDValue N, SDValue &Base,
SDValue &Offset, SDValue &Opc);
- bool SelectAddrMode3Offset(SDValue Op, SDValue N,
+ bool SelectAddrMode3Offset(SDNode *Op, SDValue N,
SDValue &Offset, SDValue &Opc);
- bool SelectAddrMode4(SDValue Op, SDValue N, SDValue &Addr,
+ bool SelectAddrMode4(SDNode *Op, SDValue N, SDValue &Addr,
SDValue &Mode);
- bool SelectAddrMode5(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectAddrMode5(SDNode *Op, SDValue N, SDValue &Base,
SDValue &Offset);
- bool SelectAddrMode6(SDValue Op, SDValue N, SDValue &Addr, SDValue &Update,
- SDValue &Opc);
+ bool SelectAddrMode6(SDNode *Op, SDValue N, SDValue &Addr, SDValue &Update,
+ SDValue &Opc, SDValue &Align);
- bool SelectAddrModePC(SDValue Op, SDValue N, SDValue &Offset,
+ bool SelectAddrModePC(SDNode *Op, SDValue N, SDValue &Offset,
SDValue &Label);
- bool SelectThumbAddrModeRR(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectThumbAddrModeRR(SDNode *Op, SDValue N, SDValue &Base,
SDValue &Offset);
- bool SelectThumbAddrModeRI5(SDValue Op, SDValue N, unsigned Scale,
+ bool SelectThumbAddrModeRI5(SDNode *Op, SDValue N, unsigned Scale,
SDValue &Base, SDValue &OffImm,
SDValue &Offset);
- bool SelectThumbAddrModeS1(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectThumbAddrModeS1(SDNode *Op, SDValue N, SDValue &Base,
SDValue &OffImm, SDValue &Offset);
- bool SelectThumbAddrModeS2(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectThumbAddrModeS2(SDNode *Op, SDValue N, SDValue &Base,
SDValue &OffImm, SDValue &Offset);
- bool SelectThumbAddrModeS4(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectThumbAddrModeS4(SDNode *Op, SDValue N, SDValue &Base,
SDValue &OffImm, SDValue &Offset);
- bool SelectThumbAddrModeSP(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectThumbAddrModeSP(SDNode *Op, SDValue N, SDValue &Base,
SDValue &OffImm);
- bool SelectT2ShifterOperandReg(SDValue Op, SDValue N,
+ bool SelectT2ShifterOperandReg(SDNode *Op, SDValue N,
SDValue &BaseReg, SDValue &Opc);
- bool SelectT2AddrModeImm12(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectT2AddrModeImm12(SDNode *Op, SDValue N, SDValue &Base,
SDValue &OffImm);
- bool SelectT2AddrModeImm8(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectT2AddrModeImm8(SDNode *Op, SDValue N, SDValue &Base,
SDValue &OffImm);
- bool SelectT2AddrModeImm8Offset(SDValue Op, SDValue N,
+ bool SelectT2AddrModeImm8Offset(SDNode *Op, SDValue N,
SDValue &OffImm);
- bool SelectT2AddrModeImm8s4(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectT2AddrModeImm8s4(SDNode *Op, SDValue N, SDValue &Base,
SDValue &OffImm);
- bool SelectT2AddrModeSoReg(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectT2AddrModeSoReg(SDNode *Op, SDValue N, SDValue &Base,
SDValue &OffReg, SDValue &ShImm);
// Include the pieces autogenerated from the target description.
private:
/// SelectARMIndexedLoad - Indexed (pre/post inc/dec) load matching code for
/// ARM.
- SDNode *SelectARMIndexedLoad(SDValue Op);
- SDNode *SelectT2IndexedLoad(SDValue Op);
+ SDNode *SelectARMIndexedLoad(SDNode *N);
+ SDNode *SelectT2IndexedLoad(SDNode *N);
/// SelectDYN_ALLOC - Select dynamic alloc for Thumb.
- SDNode *SelectDYN_ALLOC(SDValue Op);
+ SDNode *SelectDYN_ALLOC(SDNode *N);
+
+ /// SelectVLD - Select NEON load intrinsics. NumVecs should
+ /// be 2, 3 or 4. The opcode arrays specify the instructions used for
+ /// loads of D registers and even subregs and odd subregs of Q registers.
+ /// For NumVecs == 2, QOpcodes1 is not used.
+ SDNode *SelectVLD(SDNode *N, unsigned NumVecs, unsigned *DOpcodes,
+ unsigned *QOpcodes0, unsigned *QOpcodes1);
+
+ /// SelectVST - Select NEON store intrinsics. NumVecs should
+ /// be 2, 3 or 4. The opcode arrays specify the instructions used for
+ /// stores of D registers and even subregs and odd subregs of Q registers.
+ /// For NumVecs == 2, QOpcodes1 is not used.
+ SDNode *SelectVST(SDNode *N, unsigned NumVecs, unsigned *DOpcodes,
+ unsigned *QOpcodes0, unsigned *QOpcodes1);
+
+ /// SelectVLDSTLane - Select NEON load/store lane intrinsics. NumVecs should
+ /// be 2, 3 or 4. The opcode arrays specify the instructions used for
+ /// load/store of D registers and even subregs and odd subregs of Q registers.
+ SDNode *SelectVLDSTLane(SDNode *N, bool IsLoad, unsigned NumVecs,
+ unsigned *DOpcodes, unsigned *QOpcodes0,
+ unsigned *QOpcodes1);
+
+ /// SelectV6T2BitfieldExtractOp - Select SBFX/UBFX instructions for ARM.
+ SDNode *SelectV6T2BitfieldExtractOp(SDNode *N, unsigned Opc);
+
+ /// SelectCMOVOp - Select CMOV instructions for ARM.
+ SDNode *SelectCMOVOp(SDNode *N);
+ SDNode *SelectT2CMOVShiftOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
+ ARMCC::CondCodes CCVal, SDValue CCR,
+ SDValue InFlag);
+ SDNode *SelectARMCMOVShiftOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
+ ARMCC::CondCodes CCVal, SDValue CCR,
+ SDValue InFlag);
+ SDNode *SelectT2CMOVSoImmOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
+ ARMCC::CondCodes CCVal, SDValue CCR,
+ SDValue InFlag);
+ SDNode *SelectARMCMOVSoImmOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
+ ARMCC::CondCodes CCVal, SDValue CCR,
+ SDValue InFlag);
/// SelectInlineAsmMemoryOperand - Implement addressing mode selection for
/// inline asm expressions.
virtual bool SelectInlineAsmMemoryOperand(const SDValue &Op,
char ConstraintCode,
std::vector<SDValue> &OutOps);
+
+ /// PairDRegs - Insert a pair of double registers into an implicit def to
+ /// form a quad register.
+ SDNode *PairDRegs(EVT VT, SDValue V0, SDValue V1);
};
}
-void ARMDAGToDAGISel::InstructionSelect() {
- DEBUG(BB->dump());
+/// isInt32Immediate - This method tests to see if the node is a 32-bit constant
+/// operand. If so Imm will receive the 32-bit value.
+static bool isInt32Immediate(SDNode *N, unsigned &Imm) {
+ if (N->getOpcode() == ISD::Constant && N->getValueType(0) == MVT::i32) {
+ Imm = cast<ConstantSDNode>(N)->getZExtValue();
+ return true;
+ }
+ return false;
+}
+
+// isInt32Immediate - This method tests to see if a constant operand.
+// If so Imm will receive the 32 bit value.
+static bool isInt32Immediate(SDValue N, unsigned &Imm) {
+ return isInt32Immediate(N.getNode(), Imm);
+}
+// isOpcWithIntImmediate - This method tests to see if the node is a specific
+// opcode and that it has a immediate integer right operand.
+// If so Imm will receive the 32 bit value.
+static bool isOpcWithIntImmediate(SDNode *N, unsigned Opc, unsigned& Imm) {
+ return N->getOpcode() == Opc &&
+ isInt32Immediate(N->getOperand(1).getNode(), Imm);
+}
+
+
+void ARMDAGToDAGISel::InstructionSelect() {
SelectRoot(*CurDAG);
CurDAG->RemoveDeadNodes();
}
-bool ARMDAGToDAGISel::SelectShifterOperandReg(SDValue Op,
+bool ARMDAGToDAGISel::SelectShifterOperandReg(SDNode *Op,
SDValue N,
SDValue &BaseReg,
SDValue &ShReg,
// Don't match base register only case. That is matched to a separate
// lower complexity pattern with explicit register operand.
if (ShOpcVal == ARM_AM::no_shift) return false;
-
+
BaseReg = N.getOperand(0);
unsigned ShImmVal = 0;
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
- ShReg = CurDAG->getRegister(0, EVT::i32);
+ ShReg = CurDAG->getRegister(0, MVT::i32);
ShImmVal = RHS->getZExtValue() & 31;
} else {
ShReg = N.getOperand(1);
}
Opc = CurDAG->getTargetConstant(ARM_AM::getSORegOpc(ShOpcVal, ShImmVal),
- EVT::i32);
+ MVT::i32);
return true;
}
-bool ARMDAGToDAGISel::SelectAddrMode2(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectAddrMode2(SDNode *Op, SDValue N,
SDValue &Base, SDValue &Offset,
SDValue &Opc) {
if (N.getOpcode() == ISD::MUL) {
Base = Offset = N.getOperand(0);
Opc = CurDAG->getTargetConstant(ARM_AM::getAM2Opc(AddSub, ShAmt,
ARM_AM::lsl),
- EVT::i32);
+ MVT::i32);
return true;
}
}
if (N.getOpcode() == ISD::FrameIndex) {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
- } else if (N.getOpcode() == ARMISD::Wrapper) {
+ } else if (N.getOpcode() == ARMISD::Wrapper &&
+ !(Subtarget->useMovt() &&
+ N.getOperand(0).getOpcode() == ISD::TargetGlobalAddress)) {
Base = N.getOperand(0);
}
- Offset = CurDAG->getRegister(0, EVT::i32);
+ Offset = CurDAG->getRegister(0, MVT::i32);
Opc = CurDAG->getTargetConstant(ARM_AM::getAM2Opc(ARM_AM::add, 0,
ARM_AM::no_shift),
- EVT::i32);
+ MVT::i32);
return true;
}
-
+
// Match simple R +/- imm12 operands.
if (N.getOpcode() == ISD::ADD)
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
int FI = cast<FrameIndexSDNode>(Base)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
}
- Offset = CurDAG->getRegister(0, EVT::i32);
+ Offset = CurDAG->getRegister(0, MVT::i32);
ARM_AM::AddrOpc AddSub = ARM_AM::add;
if (RHSC < 0) {
}
Opc = CurDAG->getTargetConstant(ARM_AM::getAM2Opc(AddSub, RHSC,
ARM_AM::no_shift),
- EVT::i32);
+ MVT::i32);
return true;
}
}
-
- // Otherwise this is R +/- [possibly shifted] R
+
+ // Otherwise this is R +/- [possibly shifted] R.
ARM_AM::AddrOpc AddSub = N.getOpcode() == ISD::ADD ? ARM_AM::add:ARM_AM::sub;
ARM_AM::ShiftOpc ShOpcVal = ARM_AM::getShiftOpcForNode(N.getOperand(1));
unsigned ShAmt = 0;
-
+
Base = N.getOperand(0);
Offset = N.getOperand(1);
-
+
if (ShOpcVal != ARM_AM::no_shift) {
// Check to see if the RHS of the shift is a constant, if not, we can't fold
// it.
ShOpcVal = ARM_AM::no_shift;
}
}
-
+
// Try matching (R shl C) + (R).
if (N.getOpcode() == ISD::ADD && ShOpcVal == ARM_AM::no_shift) {
ShOpcVal = ARM_AM::getShiftOpcForNode(N.getOperand(0));
}
}
}
-
+
Opc = CurDAG->getTargetConstant(ARM_AM::getAM2Opc(AddSub, ShAmt, ShOpcVal),
- EVT::i32);
+ MVT::i32);
return true;
}
-bool ARMDAGToDAGISel::SelectAddrMode2Offset(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectAddrMode2Offset(SDNode *Op, SDValue N,
SDValue &Offset, SDValue &Opc) {
- unsigned Opcode = Op.getOpcode();
+ unsigned Opcode = Op->getOpcode();
ISD::MemIndexedMode AM = (Opcode == ISD::LOAD)
? cast<LoadSDNode>(Op)->getAddressingMode()
: cast<StoreSDNode>(Op)->getAddressingMode();
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N)) {
int Val = (int)C->getZExtValue();
if (Val >= 0 && Val < 0x1000) { // 12 bits.
- Offset = CurDAG->getRegister(0, EVT::i32);
+ Offset = CurDAG->getRegister(0, MVT::i32);
Opc = CurDAG->getTargetConstant(ARM_AM::getAM2Opc(AddSub, Val,
ARM_AM::no_shift),
- EVT::i32);
+ MVT::i32);
return true;
}
}
}
Opc = CurDAG->getTargetConstant(ARM_AM::getAM2Opc(AddSub, ShAmt, ShOpcVal),
- EVT::i32);
+ MVT::i32);
return true;
}
-bool ARMDAGToDAGISel::SelectAddrMode3(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectAddrMode3(SDNode *Op, SDValue N,
SDValue &Base, SDValue &Offset,
SDValue &Opc) {
if (N.getOpcode() == ISD::SUB) {
// X - C is canonicalize to X + -C, no need to handle it here.
Base = N.getOperand(0);
Offset = N.getOperand(1);
- Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(ARM_AM::sub, 0),EVT::i32);
+ Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(ARM_AM::sub, 0),MVT::i32);
return true;
}
-
+
if (N.getOpcode() != ISD::ADD) {
Base = N;
if (N.getOpcode() == ISD::FrameIndex) {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
}
- Offset = CurDAG->getRegister(0, EVT::i32);
- Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(ARM_AM::add, 0),EVT::i32);
+ Offset = CurDAG->getRegister(0, MVT::i32);
+ Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(ARM_AM::add, 0),MVT::i32);
return true;
}
-
+
// If the RHS is +/- imm8, fold into addr mode.
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
int RHSC = (int)RHS->getZExtValue();
int FI = cast<FrameIndexSDNode>(Base)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
}
- Offset = CurDAG->getRegister(0, EVT::i32);
+ Offset = CurDAG->getRegister(0, MVT::i32);
ARM_AM::AddrOpc AddSub = ARM_AM::add;
if (RHSC < 0) {
AddSub = ARM_AM::sub;
RHSC = - RHSC;
}
- Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(AddSub, RHSC),EVT::i32);
+ Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(AddSub, RHSC),MVT::i32);
return true;
}
}
-
+
Base = N.getOperand(0);
Offset = N.getOperand(1);
- Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(ARM_AM::add, 0), EVT::i32);
+ Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(ARM_AM::add, 0), MVT::i32);
return true;
}
-bool ARMDAGToDAGISel::SelectAddrMode3Offset(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectAddrMode3Offset(SDNode *Op, SDValue N,
SDValue &Offset, SDValue &Opc) {
- unsigned Opcode = Op.getOpcode();
+ unsigned Opcode = Op->getOpcode();
ISD::MemIndexedMode AM = (Opcode == ISD::LOAD)
? cast<LoadSDNode>(Op)->getAddressingMode()
: cast<StoreSDNode>(Op)->getAddressingMode();
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N)) {
int Val = (int)C->getZExtValue();
if (Val >= 0 && Val < 256) {
- Offset = CurDAG->getRegister(0, EVT::i32);
- Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(AddSub, Val), EVT::i32);
+ Offset = CurDAG->getRegister(0, MVT::i32);
+ Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(AddSub, Val), MVT::i32);
return true;
}
}
Offset = N;
- Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(AddSub, 0), EVT::i32);
+ Opc = CurDAG->getTargetConstant(ARM_AM::getAM3Opc(AddSub, 0), MVT::i32);
return true;
}
-bool ARMDAGToDAGISel::SelectAddrMode4(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectAddrMode4(SDNode *Op, SDValue N,
SDValue &Addr, SDValue &Mode) {
Addr = N;
- Mode = CurDAG->getTargetConstant(0, EVT::i32);
+ Mode = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
-bool ARMDAGToDAGISel::SelectAddrMode5(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectAddrMode5(SDNode *Op, SDValue N,
SDValue &Base, SDValue &Offset) {
if (N.getOpcode() != ISD::ADD) {
Base = N;
if (N.getOpcode() == ISD::FrameIndex) {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
- } else if (N.getOpcode() == ARMISD::Wrapper) {
+ } else if (N.getOpcode() == ARMISD::Wrapper &&
+ !(Subtarget->useMovt() &&
+ N.getOperand(0).getOpcode() == ISD::TargetGlobalAddress)) {
Base = N.getOperand(0);
}
Offset = CurDAG->getTargetConstant(ARM_AM::getAM5Opc(ARM_AM::add, 0),
- EVT::i32);
+ MVT::i32);
return true;
}
-
+
// If the RHS is +/- imm8, fold into addr mode.
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
int RHSC = (int)RHS->getZExtValue();
RHSC = - RHSC;
}
Offset = CurDAG->getTargetConstant(ARM_AM::getAM5Opc(AddSub, RHSC),
- EVT::i32);
+ MVT::i32);
return true;
}
}
}
-
+
Base = N;
Offset = CurDAG->getTargetConstant(ARM_AM::getAM5Opc(ARM_AM::add, 0),
- EVT::i32);
+ MVT::i32);
return true;
}
-bool ARMDAGToDAGISel::SelectAddrMode6(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectAddrMode6(SDNode *Op, SDValue N,
SDValue &Addr, SDValue &Update,
- SDValue &Opc) {
+ SDValue &Opc, SDValue &Align) {
Addr = N;
- // The optional writeback is handled in ARMLoadStoreOpt.
- Update = CurDAG->getRegister(0, EVT::i32);
- Opc = CurDAG->getTargetConstant(ARM_AM::getAM6Opc(false), EVT::i32);
+ // Default to no writeback.
+ Update = CurDAG->getRegister(0, MVT::i32);
+ Opc = CurDAG->getTargetConstant(ARM_AM::getAM6Opc(false), MVT::i32);
+ // Default to no alignment.
+ Align = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
-bool ARMDAGToDAGISel::SelectAddrModePC(SDValue Op, SDValue N,
- SDValue &Offset, SDValue &Label) {
+bool ARMDAGToDAGISel::SelectAddrModePC(SDNode *Op, SDValue N,
+ SDValue &Offset, SDValue &Label) {
if (N.getOpcode() == ARMISD::PIC_ADD && N.hasOneUse()) {
Offset = N.getOperand(0);
SDValue N1 = N.getOperand(1);
Label = CurDAG->getTargetConstant(cast<ConstantSDNode>(N1)->getZExtValue(),
- EVT::i32);
+ MVT::i32);
return true;
}
return false;
}
-bool ARMDAGToDAGISel::SelectThumbAddrModeRR(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectThumbAddrModeRR(SDNode *Op, SDValue N,
SDValue &Base, SDValue &Offset){
// FIXME dl should come from the parent load or store, not the address
- DebugLoc dl = Op.getDebugLoc();
+ DebugLoc dl = Op->getDebugLoc();
if (N.getOpcode() != ISD::ADD) {
ConstantSDNode *NC = dyn_cast<ConstantSDNode>(N);
if (!NC || NC->getZExtValue() != 0)
}
bool
-ARMDAGToDAGISel::SelectThumbAddrModeRI5(SDValue Op, SDValue N,
+ARMDAGToDAGISel::SelectThumbAddrModeRI5(SDNode *Op, SDValue N,
unsigned Scale, SDValue &Base,
SDValue &OffImm, SDValue &Offset) {
if (Scale == 4) {
}
if (N.getOpcode() != ISD::ADD) {
- Base = (N.getOpcode() == ARMISD::Wrapper) ? N.getOperand(0) : N;
- Offset = CurDAG->getRegister(0, EVT::i32);
- OffImm = CurDAG->getTargetConstant(0, EVT::i32);
+ if (N.getOpcode() == ARMISD::Wrapper &&
+ !(Subtarget->useMovt() &&
+ N.getOperand(0).getOpcode() == ISD::TargetGlobalAddress)) {
+ Base = N.getOperand(0);
+ } else
+ Base = N;
+
+ Offset = CurDAG->getRegister(0, MVT::i32);
+ OffImm = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
if ((LHSR && LHSR->getReg() == ARM::SP) ||
(RHSR && RHSR->getReg() == ARM::SP)) {
Base = N;
- Offset = CurDAG->getRegister(0, EVT::i32);
- OffImm = CurDAG->getTargetConstant(0, EVT::i32);
+ Offset = CurDAG->getRegister(0, MVT::i32);
+ OffImm = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
RHSC /= Scale;
if (RHSC >= 0 && RHSC < 32) {
Base = N.getOperand(0);
- Offset = CurDAG->getRegister(0, EVT::i32);
- OffImm = CurDAG->getTargetConstant(RHSC, EVT::i32);
+ Offset = CurDAG->getRegister(0, MVT::i32);
+ OffImm = CurDAG->getTargetConstant(RHSC, MVT::i32);
return true;
}
}
Base = N.getOperand(0);
Offset = N.getOperand(1);
- OffImm = CurDAG->getTargetConstant(0, EVT::i32);
+ OffImm = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
-bool ARMDAGToDAGISel::SelectThumbAddrModeS1(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectThumbAddrModeS1(SDNode *Op, SDValue N,
SDValue &Base, SDValue &OffImm,
SDValue &Offset) {
return SelectThumbAddrModeRI5(Op, N, 1, Base, OffImm, Offset);
}
-bool ARMDAGToDAGISel::SelectThumbAddrModeS2(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectThumbAddrModeS2(SDNode *Op, SDValue N,
SDValue &Base, SDValue &OffImm,
SDValue &Offset) {
return SelectThumbAddrModeRI5(Op, N, 2, Base, OffImm, Offset);
}
-bool ARMDAGToDAGISel::SelectThumbAddrModeS4(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectThumbAddrModeS4(SDNode *Op, SDValue N,
SDValue &Base, SDValue &OffImm,
SDValue &Offset) {
return SelectThumbAddrModeRI5(Op, N, 4, Base, OffImm, Offset);
}
-bool ARMDAGToDAGISel::SelectThumbAddrModeSP(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectThumbAddrModeSP(SDNode *Op, SDValue N,
SDValue &Base, SDValue &OffImm) {
if (N.getOpcode() == ISD::FrameIndex) {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
- OffImm = CurDAG->getTargetConstant(0, EVT::i32);
+ OffImm = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
int FI = cast<FrameIndexSDNode>(Base)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
}
- OffImm = CurDAG->getTargetConstant(RHSC, EVT::i32);
+ OffImm = CurDAG->getTargetConstant(RHSC, MVT::i32);
return true;
}
}
}
}
-
+
return false;
}
-bool ARMDAGToDAGISel::SelectT2ShifterOperandReg(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectT2ShifterOperandReg(SDNode *Op, SDValue N,
SDValue &BaseReg,
SDValue &Opc) {
ARM_AM::ShiftOpc ShOpcVal = ARM_AM::getShiftOpcForNode(N);
return false;
}
-bool ARMDAGToDAGISel::SelectT2AddrModeImm12(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectT2AddrModeImm12(SDNode *Op, SDValue N,
SDValue &Base, SDValue &OffImm) {
// Match simple R + imm12 operands.
- // Match frame index...
- if ((N.getOpcode() != ISD::ADD) && (N.getOpcode() != ISD::SUB)) {
+ // Base only.
+ if (N.getOpcode() != ISD::ADD && N.getOpcode() != ISD::SUB) {
if (N.getOpcode() == ISD::FrameIndex) {
+ // Match frame index...
int FI = cast<FrameIndexSDNode>(N)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
- OffImm = CurDAG->getTargetConstant(0, EVT::i32);
+ OffImm = CurDAG->getTargetConstant(0, MVT::i32);
return true;
- }
- return false;
+ } else if (N.getOpcode() == ARMISD::Wrapper &&
+ !(Subtarget->useMovt() &&
+ N.getOperand(0).getOpcode() == ISD::TargetGlobalAddress)) {
+ Base = N.getOperand(0);
+ if (Base.getOpcode() == ISD::TargetConstantPool)
+ return false; // We want to select t2LDRpci instead.
+ } else
+ Base = N;
+ OffImm = CurDAG->getTargetConstant(0, MVT::i32);
+ return true;
}
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
+ if (SelectT2AddrModeImm8(Op, N, Base, OffImm))
+ // Let t2LDRi8 handle (R - imm8).
+ return false;
+
int RHSC = (int)RHS->getZExtValue();
if (N.getOpcode() == ISD::SUB)
RHSC = -RHSC;
int FI = cast<FrameIndexSDNode>(Base)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
}
- OffImm = CurDAG->getTargetConstant(RHSC, EVT::i32);
+ OffImm = CurDAG->getTargetConstant(RHSC, MVT::i32);
return true;
}
}
- return false;
+ // Base only.
+ Base = N;
+ OffImm = CurDAG->getTargetConstant(0, MVT::i32);
+ return true;
}
-bool ARMDAGToDAGISel::SelectT2AddrModeImm8(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectT2AddrModeImm8(SDNode *Op, SDValue N,
SDValue &Base, SDValue &OffImm) {
// Match simple R - imm8 operands.
- if ((N.getOpcode() == ISD::ADD) || (N.getOpcode() == ISD::SUB)) {
+ if (N.getOpcode() == ISD::ADD || N.getOpcode() == ISD::SUB) {
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
int RHSC = (int)RHS->getSExtValue();
if (N.getOpcode() == ISD::SUB)
RHSC = -RHSC;
-
- if ((RHSC >= -255) && (RHSC <= 0)) { // 8 bits (always negative)
- Base = N.getOperand(0);
+
+ if ((RHSC >= -255) && (RHSC < 0)) { // 8 bits (always negative)
+ Base = N.getOperand(0);
if (Base.getOpcode() == ISD::FrameIndex) {
int FI = cast<FrameIndexSDNode>(Base)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
}
- OffImm = CurDAG->getTargetConstant(RHSC, EVT::i32);
+ OffImm = CurDAG->getTargetConstant(RHSC, MVT::i32);
return true;
}
}
return false;
}
-bool ARMDAGToDAGISel::SelectT2AddrModeImm8Offset(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectT2AddrModeImm8Offset(SDNode *Op, SDValue N,
SDValue &OffImm){
- unsigned Opcode = Op.getOpcode();
+ unsigned Opcode = Op->getOpcode();
ISD::MemIndexedMode AM = (Opcode == ISD::LOAD)
? cast<LoadSDNode>(Op)->getAddressingMode()
: cast<StoreSDNode>(Op)->getAddressingMode();
int RHSC = (int)RHS->getZExtValue();
if (RHSC >= 0 && RHSC < 0x100) { // 8 bits.
OffImm = ((AM == ISD::PRE_INC) || (AM == ISD::POST_INC))
- ? CurDAG->getTargetConstant(RHSC, EVT::i32)
- : CurDAG->getTargetConstant(-RHSC, EVT::i32);
+ ? CurDAG->getTargetConstant(RHSC, MVT::i32)
+ : CurDAG->getTargetConstant(-RHSC, MVT::i32);
return true;
}
}
return false;
}
-bool ARMDAGToDAGISel::SelectT2AddrModeImm8s4(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectT2AddrModeImm8s4(SDNode *Op, SDValue N,
SDValue &Base, SDValue &OffImm) {
if (N.getOpcode() == ISD::ADD) {
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
if (((RHSC & 0x3) == 0) &&
((RHSC >= 0 && RHSC < 0x400) || (RHSC < 0 && RHSC > -0x400))) { // 8 bits.
Base = N.getOperand(0);
- OffImm = CurDAG->getTargetConstant(RHSC, EVT::i32);
+ OffImm = CurDAG->getTargetConstant(RHSC, MVT::i32);
return true;
}
}
int RHSC = (int)RHS->getZExtValue();
if (((RHSC & 0x3) == 0) && (RHSC >= 0 && RHSC < 0x400)) { // 8 bits.
Base = N.getOperand(0);
- OffImm = CurDAG->getTargetConstant(-RHSC, EVT::i32);
+ OffImm = CurDAG->getTargetConstant(-RHSC, MVT::i32);
return true;
}
}
return false;
}
-bool ARMDAGToDAGISel::SelectT2AddrModeSoReg(SDValue Op, SDValue N,
+bool ARMDAGToDAGISel::SelectT2AddrModeSoReg(SDNode *Op, SDValue N,
SDValue &Base,
SDValue &OffReg, SDValue &ShImm) {
- // Base only.
- if (N.getOpcode() != ISD::ADD && N.getOpcode() != ISD::SUB) {
- Base = N;
- if (N.getOpcode() == ISD::FrameIndex) {
- return false; // we want to select t2LDRri12 instead
- } else if (N.getOpcode() == ARMISD::Wrapper) {
- Base = N.getOperand(0);
- if (Base.getOpcode() == ISD::TargetConstantPool)
- return false; // We want to select t2LDRpci instead.
- }
- OffReg = CurDAG->getRegister(0, EVT::i32);
- ShImm = CurDAG->getTargetConstant(0, EVT::i32);
- return true;
- }
+ // (R - imm8) should be handled by t2LDRi8. The rest are handled by t2LDRi12.
+ if (N.getOpcode() != ISD::ADD)
+ return false;
- // Leave (R +/- imm) for other address modes... unless they can't
- // handle them
- if (dyn_cast<ConstantSDNode>(N.getOperand(1)) != NULL) {
- SDValue OffImm;
- if (SelectT2AddrModeImm12(Op, N, Base, OffImm) ||
- SelectT2AddrModeImm8 (Op, N, Base, OffImm))
+ // Leave (R + imm12) for t2LDRi12, (R - imm8) for t2LDRi8.
+ if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
+ int RHSC = (int)RHS->getZExtValue();
+ if (RHSC >= 0 && RHSC < 0x1000) // 12 bits (unsigned)
+ return false;
+ else if (RHSC < 0 && RHSC >= -255) // 8 bits
return false;
}
- // Thumb2 does not support (R - R) or (R - (R << [1,2,3])).
- if (N.getOpcode() == ISD::SUB) {
- Base = N;
- OffReg = CurDAG->getRegister(0, EVT::i32);
- ShImm = CurDAG->getTargetConstant(0, EVT::i32);
- return true;
- }
-
- assert(N.getOpcode() == ISD::ADD);
-
// Look for (R + R) or (R + (R << [1,2,3])).
unsigned ShAmt = 0;
Base = N.getOperand(0);
ShOpcVal = ARM_AM::getShiftOpcForNode(Base);
if (ShOpcVal == ARM_AM::lsl)
std::swap(Base, OffReg);
- }
-
+ }
+
if (ShOpcVal == ARM_AM::lsl) {
// Check to see if the RHS of the shift is a constant, if not, we can't fold
// it.
ShOpcVal = ARM_AM::no_shift;
}
}
-
- ShImm = CurDAG->getTargetConstant(ShAmt, EVT::i32);
+
+ ShImm = CurDAG->getTargetConstant(ShAmt, MVT::i32);
return true;
}
/// getAL - Returns a ARMCC::AL immediate node.
static inline SDValue getAL(SelectionDAG *CurDAG) {
- return CurDAG->getTargetConstant((uint64_t)ARMCC::AL, EVT::i32);
+ return CurDAG->getTargetConstant((uint64_t)ARMCC::AL, MVT::i32);
}
-SDNode *ARMDAGToDAGISel::SelectARMIndexedLoad(SDValue Op) {
- LoadSDNode *LD = cast<LoadSDNode>(Op);
+SDNode *ARMDAGToDAGISel::SelectARMIndexedLoad(SDNode *N) {
+ LoadSDNode *LD = cast<LoadSDNode>(N);
ISD::MemIndexedMode AM = LD->getAddressingMode();
if (AM == ISD::UNINDEXED)
return NULL;
bool isPre = (AM == ISD::PRE_INC) || (AM == ISD::PRE_DEC);
unsigned Opcode = 0;
bool Match = false;
- if (LoadedVT == EVT::i32 &&
- SelectAddrMode2Offset(Op, LD->getOffset(), Offset, AMOpc)) {
+ if (LoadedVT == MVT::i32 &&
+ SelectAddrMode2Offset(N, LD->getOffset(), Offset, AMOpc)) {
Opcode = isPre ? ARM::LDR_PRE : ARM::LDR_POST;
Match = true;
- } else if (LoadedVT == EVT::i16 &&
- SelectAddrMode3Offset(Op, LD->getOffset(), Offset, AMOpc)) {
+ } else if (LoadedVT == MVT::i16 &&
+ SelectAddrMode3Offset(N, LD->getOffset(), Offset, AMOpc)) {
Match = true;
Opcode = (LD->getExtensionType() == ISD::SEXTLOAD)
? (isPre ? ARM::LDRSH_PRE : ARM::LDRSH_POST)
: (isPre ? ARM::LDRH_PRE : ARM::LDRH_POST);
- } else if (LoadedVT == EVT::i8 || LoadedVT == EVT::i1) {
+ } else if (LoadedVT == MVT::i8 || LoadedVT == MVT::i1) {
if (LD->getExtensionType() == ISD::SEXTLOAD) {
- if (SelectAddrMode3Offset(Op, LD->getOffset(), Offset, AMOpc)) {
+ if (SelectAddrMode3Offset(N, LD->getOffset(), Offset, AMOpc)) {
Match = true;
Opcode = isPre ? ARM::LDRSB_PRE : ARM::LDRSB_POST;
}
} else {
- if (SelectAddrMode2Offset(Op, LD->getOffset(), Offset, AMOpc)) {
+ if (SelectAddrMode2Offset(N, LD->getOffset(), Offset, AMOpc)) {
Match = true;
Opcode = isPre ? ARM::LDRB_PRE : ARM::LDRB_POST;
}
SDValue Chain = LD->getChain();
SDValue Base = LD->getBasePtr();
SDValue Ops[]= { Base, Offset, AMOpc, getAL(CurDAG),
- CurDAG->getRegister(0, EVT::i32), Chain };
- return CurDAG->getTargetNode(Opcode, Op.getDebugLoc(), EVT::i32, EVT::i32,
- EVT::Other, Ops, 6);
+ CurDAG->getRegister(0, MVT::i32), Chain };
+ return CurDAG->getMachineNode(Opcode, N->getDebugLoc(), MVT::i32, MVT::i32,
+ MVT::Other, Ops, 6);
}
return NULL;
}
-SDNode *ARMDAGToDAGISel::SelectT2IndexedLoad(SDValue Op) {
- LoadSDNode *LD = cast<LoadSDNode>(Op);
+SDNode *ARMDAGToDAGISel::SelectT2IndexedLoad(SDNode *N) {
+ LoadSDNode *LD = cast<LoadSDNode>(N);
ISD::MemIndexedMode AM = LD->getAddressingMode();
if (AM == ISD::UNINDEXED)
return NULL;
bool isPre = (AM == ISD::PRE_INC) || (AM == ISD::PRE_DEC);
unsigned Opcode = 0;
bool Match = false;
- if (SelectT2AddrModeImm8Offset(Op, LD->getOffset(), Offset)) {
- switch (LoadedVT.getSimpleVT()) {
- case EVT::i32:
+ if (SelectT2AddrModeImm8Offset(N, LD->getOffset(), Offset)) {
+ switch (LoadedVT.getSimpleVT().SimpleTy) {
+ case MVT::i32:
Opcode = isPre ? ARM::t2LDR_PRE : ARM::t2LDR_POST;
break;
- case EVT::i16:
+ case MVT::i16:
if (isSExtLd)
Opcode = isPre ? ARM::t2LDRSH_PRE : ARM::t2LDRSH_POST;
else
Opcode = isPre ? ARM::t2LDRH_PRE : ARM::t2LDRH_POST;
break;
- case EVT::i8:
- case EVT::i1:
+ case MVT::i8:
+ case MVT::i1:
if (isSExtLd)
Opcode = isPre ? ARM::t2LDRSB_PRE : ARM::t2LDRSB_POST;
else
SDValue Chain = LD->getChain();
SDValue Base = LD->getBasePtr();
SDValue Ops[]= { Base, Offset, getAL(CurDAG),
- CurDAG->getRegister(0, EVT::i32), Chain };
- return CurDAG->getTargetNode(Opcode, Op.getDebugLoc(), EVT::i32, EVT::i32,
- EVT::Other, Ops, 5);
+ CurDAG->getRegister(0, MVT::i32), Chain };
+ return CurDAG->getMachineNode(Opcode, N->getDebugLoc(), MVT::i32, MVT::i32,
+ MVT::Other, Ops, 5);
}
return NULL;
}
-SDNode *ARMDAGToDAGISel::SelectDYN_ALLOC(SDValue Op) {
- SDNode *N = Op.getNode();
+SDNode *ARMDAGToDAGISel::SelectDYN_ALLOC(SDNode *N) {
DebugLoc dl = N->getDebugLoc();
- EVT VT = Op.getValueType();
- SDValue Chain = Op.getOperand(0);
- SDValue Size = Op.getOperand(1);
- SDValue Align = Op.getOperand(2);
- SDValue SP = CurDAG->getRegister(ARM::SP, EVT::i32);
+ EVT VT = N->getValueType(0);
+ SDValue Chain = N->getOperand(0);
+ SDValue Size = N->getOperand(1);
+ SDValue Align = N->getOperand(2);
+ SDValue SP = CurDAG->getRegister(ARM::SP, MVT::i32);
int32_t AlignVal = cast<ConstantSDNode>(Align)->getSExtValue();
if (AlignVal < 0)
// We need to align the stack. Use Thumb1 tAND which is the only thumb
// instruction that can read and write SP. This matches to a pseudo
// instruction that has a chain to ensure the result is written back to
// the stack pointer.
- SP = SDValue(CurDAG->getTargetNode(ARM::tANDsp, dl, VT, SP, Align), 0);
+ SP = SDValue(CurDAG->getMachineNode(ARM::tANDsp, dl, VT, SP, Align), 0);
bool isC = isa<ConstantSDNode>(Size);
uint32_t C = isC ? cast<ConstantSDNode>(Size)->getZExtValue() : ~0UL;
// tSUBspi - immediate is between 0 ... 508 inclusive.
if (C <= 508 && ((C & 3) == 0))
// FIXME: tSUBspi encode scale 4 implicitly.
- return CurDAG->SelectNodeTo(N, ARM::tSUBspi_, VT, EVT::Other, SP,
- CurDAG->getTargetConstant(C/4, EVT::i32),
+ return CurDAG->SelectNodeTo(N, ARM::tSUBspi_, VT, MVT::Other, SP,
+ CurDAG->getTargetConstant(C/4, MVT::i32),
Chain);
if (Subtarget->isThumb1Only()) {
- // Use tADDrSPr since Thumb1 does not have a sub r, sp, r. ARMISelLowering
+ // Use tADDspr since Thumb1 does not have a sub r, sp, r. ARMISelLowering
// should have negated the size operand already. FIXME: We can't insert
// new target independent node at this stage so we are forced to negate
- // it earlier. Is there a better solution?
- return CurDAG->SelectNodeTo(N, ARM::tADDspr_, VT, EVT::Other, SP, Size,
+ // it earlier. Is there a better solution?
+ return CurDAG->SelectNodeTo(N, ARM::tADDspr_, VT, MVT::Other, SP, Size,
Chain);
} else if (Subtarget->isThumb2()) {
if (isC && Predicate_t2_so_imm(Size.getNode())) {
// t2SUBrSPi
- SDValue Ops[] = { SP, CurDAG->getTargetConstant(C, EVT::i32), Chain };
- return CurDAG->SelectNodeTo(N, ARM::t2SUBrSPi_, VT, EVT::Other, Ops, 3);
+ SDValue Ops[] = { SP, CurDAG->getTargetConstant(C, MVT::i32), Chain };
+ return CurDAG->SelectNodeTo(N, ARM::t2SUBrSPi_, VT, MVT::Other, Ops, 3);
} else if (isC && Predicate_imm0_4095(Size.getNode())) {
// t2SUBrSPi12
- SDValue Ops[] = { SP, CurDAG->getTargetConstant(C, EVT::i32), Chain };
- return CurDAG->SelectNodeTo(N, ARM::t2SUBrSPi12_, VT, EVT::Other, Ops, 3);
+ SDValue Ops[] = { SP, CurDAG->getTargetConstant(C, MVT::i32), Chain };
+ return CurDAG->SelectNodeTo(N, ARM::t2SUBrSPi12_, VT, MVT::Other, Ops, 3);
} else {
// t2SUBrSPs
SDValue Ops[] = { SP, Size,
getI32Imm(ARM_AM::getSORegOpc(ARM_AM::lsl,0)), Chain };
- return CurDAG->SelectNodeTo(N, ARM::t2SUBrSPs_, VT, EVT::Other, Ops, 4);
+ return CurDAG->SelectNodeTo(N, ARM::t2SUBrSPs_, VT, MVT::Other, Ops, 4);
}
}
return 0;
}
-SDNode *ARMDAGToDAGISel::Select(SDValue Op) {
- SDNode *N = Op.getNode();
+/// PairDRegs - Insert a pair of double registers into an implicit def to
+/// form a quad register.
+SDNode *ARMDAGToDAGISel::PairDRegs(EVT VT, SDValue V0, SDValue V1) {
+ DebugLoc dl = V0.getNode()->getDebugLoc();
+ SDValue Undef =
+ SDValue(CurDAG->getMachineNode(TargetOpcode::IMPLICIT_DEF, dl, VT), 0);
+ SDValue SubReg0 = CurDAG->getTargetConstant(ARM::DSUBREG_0, MVT::i32);
+ SDValue SubReg1 = CurDAG->getTargetConstant(ARM::DSUBREG_1, MVT::i32);
+ SDNode *Pair = CurDAG->getMachineNode(TargetOpcode::INSERT_SUBREG, dl,
+ VT, Undef, V0, SubReg0);
+ return CurDAG->getMachineNode(TargetOpcode::INSERT_SUBREG, dl,
+ VT, SDValue(Pair, 0), V1, SubReg1);
+}
+
+/// GetNEONSubregVT - Given a type for a 128-bit NEON vector, return the type
+/// for a 64-bit subregister of the vector.
+static EVT GetNEONSubregVT(EVT VT) {
+ switch (VT.getSimpleVT().SimpleTy) {
+ default: llvm_unreachable("unhandled NEON type");
+ case MVT::v16i8: return MVT::v8i8;
+ case MVT::v8i16: return MVT::v4i16;
+ case MVT::v4f32: return MVT::v2f32;
+ case MVT::v4i32: return MVT::v2i32;
+ case MVT::v2i64: return MVT::v1i64;
+ }
+}
+
+SDNode *ARMDAGToDAGISel::SelectVLD(SDNode *N, unsigned NumVecs,
+ unsigned *DOpcodes, unsigned *QOpcodes0,
+ unsigned *QOpcodes1) {
+ assert(NumVecs >=2 && NumVecs <= 4 && "VLD NumVecs out-of-range");
+ DebugLoc dl = N->getDebugLoc();
+
+ SDValue MemAddr, MemUpdate, MemOpc, Align;
+ if (!SelectAddrMode6(N, N->getOperand(2), MemAddr, MemUpdate, MemOpc, Align))
+ return NULL;
+
+ SDValue Chain = N->getOperand(0);
+ EVT VT = N->getValueType(0);
+ bool is64BitVector = VT.is64BitVector();
+
+ unsigned OpcodeIndex;
+ switch (VT.getSimpleVT().SimpleTy) {
+ default: llvm_unreachable("unhandled vld type");
+ // Double-register operations:
+ case MVT::v8i8: OpcodeIndex = 0; break;
+ case MVT::v4i16: OpcodeIndex = 1; break;
+ case MVT::v2f32:
+ case MVT::v2i32: OpcodeIndex = 2; break;
+ case MVT::v1i64: OpcodeIndex = 3; break;
+ // Quad-register operations:
+ case MVT::v16i8: OpcodeIndex = 0; break;
+ case MVT::v8i16: OpcodeIndex = 1; break;
+ case MVT::v4f32:
+ case MVT::v4i32: OpcodeIndex = 2; break;
+ }
+
+ SDValue Pred = CurDAG->getTargetConstant(14, MVT::i32);
+ SDValue PredReg = CurDAG->getRegister(0, MVT::i32);
+ if (is64BitVector) {
+ unsigned Opc = DOpcodes[OpcodeIndex];
+ const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc, Align,
+ Pred, PredReg, Chain };
+ std::vector<EVT> ResTys(NumVecs, VT);
+ ResTys.push_back(MVT::Other);
+ return CurDAG->getMachineNode(Opc, dl, ResTys, Ops, 7);
+ }
+
+ EVT RegVT = GetNEONSubregVT(VT);
+ if (NumVecs == 2) {
+ // Quad registers are directly supported for VLD2,
+ // loading 2 pairs of D regs.
+ unsigned Opc = QOpcodes0[OpcodeIndex];
+ const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc, Align,
+ Pred, PredReg, Chain };
+ std::vector<EVT> ResTys(4, VT);
+ ResTys.push_back(MVT::Other);
+ SDNode *VLd = CurDAG->getMachineNode(Opc, dl, ResTys, Ops, 7);
+ Chain = SDValue(VLd, 4);
+
+ // Combine the even and odd subregs to produce the result.
+ for (unsigned Vec = 0; Vec < NumVecs; ++Vec) {
+ SDNode *Q = PairDRegs(VT, SDValue(VLd, 2*Vec), SDValue(VLd, 2*Vec+1));
+ ReplaceUses(SDValue(N, Vec), SDValue(Q, 0));
+ }
+ } else {
+ // Otherwise, quad registers are loaded with two separate instructions,
+ // where one loads the even registers and the other loads the odd registers.
+
+ // Enable writeback to the address register.
+ MemOpc = CurDAG->getTargetConstant(ARM_AM::getAM6Opc(true), MVT::i32);
+
+ std::vector<EVT> ResTys(NumVecs, RegVT);
+ ResTys.push_back(MemAddr.getValueType());
+ ResTys.push_back(MVT::Other);
+
+ // Load the even subregs.
+ unsigned Opc = QOpcodes0[OpcodeIndex];
+ const SDValue OpsA[] = { MemAddr, MemUpdate, MemOpc, Align,
+ Pred, PredReg, Chain };
+ SDNode *VLdA = CurDAG->getMachineNode(Opc, dl, ResTys, OpsA, 7);
+ Chain = SDValue(VLdA, NumVecs+1);
+
+ // Load the odd subregs.
+ Opc = QOpcodes1[OpcodeIndex];
+ const SDValue OpsB[] = { SDValue(VLdA, NumVecs), MemUpdate, MemOpc,
+ Align, Pred, PredReg, Chain };
+ SDNode *VLdB = CurDAG->getMachineNode(Opc, dl, ResTys, OpsB, 7);
+ Chain = SDValue(VLdB, NumVecs+1);
+
+ // Combine the even and odd subregs to produce the result.
+ for (unsigned Vec = 0; Vec < NumVecs; ++Vec) {
+ SDNode *Q = PairDRegs(VT, SDValue(VLdA, Vec), SDValue(VLdB, Vec));
+ ReplaceUses(SDValue(N, Vec), SDValue(Q, 0));
+ }
+ }
+ ReplaceUses(SDValue(N, NumVecs), Chain);
+ return NULL;
+}
+
+SDNode *ARMDAGToDAGISel::SelectVST(SDNode *N, unsigned NumVecs,
+ unsigned *DOpcodes, unsigned *QOpcodes0,
+ unsigned *QOpcodes1) {
+ assert(NumVecs >=2 && NumVecs <= 4 && "VST NumVecs out-of-range");
+ DebugLoc dl = N->getDebugLoc();
+
+ SDValue MemAddr, MemUpdate, MemOpc, Align;
+ if (!SelectAddrMode6(N, N->getOperand(2), MemAddr, MemUpdate, MemOpc, Align))
+ return NULL;
+
+ SDValue Chain = N->getOperand(0);
+ EVT VT = N->getOperand(3).getValueType();
+ bool is64BitVector = VT.is64BitVector();
+
+ unsigned OpcodeIndex;
+ switch (VT.getSimpleVT().SimpleTy) {
+ default: llvm_unreachable("unhandled vst type");
+ // Double-register operations:
+ case MVT::v8i8: OpcodeIndex = 0; break;
+ case MVT::v4i16: OpcodeIndex = 1; break;
+ case MVT::v2f32:
+ case MVT::v2i32: OpcodeIndex = 2; break;
+ case MVT::v1i64: OpcodeIndex = 3; break;
+ // Quad-register operations:
+ case MVT::v16i8: OpcodeIndex = 0; break;
+ case MVT::v8i16: OpcodeIndex = 1; break;
+ case MVT::v4f32:
+ case MVT::v4i32: OpcodeIndex = 2; break;
+ }
+
+ SDValue Pred = CurDAG->getTargetConstant(14, MVT::i32);
+ SDValue PredReg = CurDAG->getRegister(0, MVT::i32);
+
+ SmallVector<SDValue, 8> Ops;
+ Ops.push_back(MemAddr);
+ Ops.push_back(MemUpdate);
+ Ops.push_back(MemOpc);
+ Ops.push_back(Align);
+
+ if (is64BitVector) {
+ unsigned Opc = DOpcodes[OpcodeIndex];
+ for (unsigned Vec = 0; Vec < NumVecs; ++Vec)
+ Ops.push_back(N->getOperand(Vec+3));
+ Ops.push_back(Pred);
+ Ops.push_back(PredReg);
+ Ops.push_back(Chain);
+ return CurDAG->getMachineNode(Opc, dl, MVT::Other, Ops.data(), NumVecs+7);
+ }
+
+ EVT RegVT = GetNEONSubregVT(VT);
+ if (NumVecs == 2) {
+ // Quad registers are directly supported for VST2,
+ // storing 2 pairs of D regs.
+ unsigned Opc = QOpcodes0[OpcodeIndex];
+ for (unsigned Vec = 0; Vec < NumVecs; ++Vec) {
+ Ops.push_back(CurDAG->getTargetExtractSubreg(ARM::DSUBREG_0, dl, RegVT,
+ N->getOperand(Vec+3)));
+ Ops.push_back(CurDAG->getTargetExtractSubreg(ARM::DSUBREG_1, dl, RegVT,
+ N->getOperand(Vec+3)));
+ }
+ Ops.push_back(Pred);
+ Ops.push_back(PredReg);
+ Ops.push_back(Chain);
+ return CurDAG->getMachineNode(Opc, dl, MVT::Other, Ops.data(), 11);
+ }
+
+ // Otherwise, quad registers are stored with two separate instructions,
+ // where one stores the even registers and the other stores the odd registers.
+
+ // Enable writeback to the address register.
+ MemOpc = CurDAG->getTargetConstant(ARM_AM::getAM6Opc(true), MVT::i32);
+
+ // Store the even subregs.
+ for (unsigned Vec = 0; Vec < NumVecs; ++Vec)
+ Ops.push_back(CurDAG->getTargetExtractSubreg(ARM::DSUBREG_0, dl, RegVT,
+ N->getOperand(Vec+3)));
+ Ops.push_back(Pred);
+ Ops.push_back(PredReg);
+ Ops.push_back(Chain);
+ unsigned Opc = QOpcodes0[OpcodeIndex];
+ SDNode *VStA = CurDAG->getMachineNode(Opc, dl, MemAddr.getValueType(),
+ MVT::Other, Ops.data(), NumVecs+7);
+ Chain = SDValue(VStA, 1);
+
+ // Store the odd subregs.
+ Ops[0] = SDValue(VStA, 0); // MemAddr
+ for (unsigned Vec = 0; Vec < NumVecs; ++Vec)
+ Ops[Vec+4] = CurDAG->getTargetExtractSubreg(ARM::DSUBREG_1, dl, RegVT,
+ N->getOperand(Vec+3));
+ Ops[NumVecs+4] = Pred;
+ Ops[NumVecs+5] = PredReg;
+ Ops[NumVecs+6] = Chain;
+ Opc = QOpcodes1[OpcodeIndex];
+ SDNode *VStB = CurDAG->getMachineNode(Opc, dl, MemAddr.getValueType(),
+ MVT::Other, Ops.data(), NumVecs+7);
+ Chain = SDValue(VStB, 1);
+ ReplaceUses(SDValue(N, 0), Chain);
+ return NULL;
+}
+
+SDNode *ARMDAGToDAGISel::SelectVLDSTLane(SDNode *N, bool IsLoad,
+ unsigned NumVecs, unsigned *DOpcodes,
+ unsigned *QOpcodes0,
+ unsigned *QOpcodes1) {
+ assert(NumVecs >=2 && NumVecs <= 4 && "VLDSTLane NumVecs out-of-range");
+ DebugLoc dl = N->getDebugLoc();
+
+ SDValue MemAddr, MemUpdate, MemOpc, Align;
+ if (!SelectAddrMode6(N, N->getOperand(2), MemAddr, MemUpdate, MemOpc, Align))
+ return NULL;
+
+ SDValue Chain = N->getOperand(0);
+ unsigned Lane =
+ cast<ConstantSDNode>(N->getOperand(NumVecs+3))->getZExtValue();
+ EVT VT = IsLoad ? N->getValueType(0) : N->getOperand(3).getValueType();
+ bool is64BitVector = VT.is64BitVector();
+
+ // Quad registers are handled by load/store of subregs. Find the subreg info.
+ unsigned NumElts = 0;
+ int SubregIdx = 0;
+ EVT RegVT = VT;
+ if (!is64BitVector) {
+ RegVT = GetNEONSubregVT(VT);
+ NumElts = RegVT.getVectorNumElements();
+ SubregIdx = (Lane < NumElts) ? ARM::DSUBREG_0 : ARM::DSUBREG_1;
+ }
+
+ unsigned OpcodeIndex;
+ switch (VT.getSimpleVT().SimpleTy) {
+ default: llvm_unreachable("unhandled vld/vst lane type");
+ // Double-register operations:
+ case MVT::v8i8: OpcodeIndex = 0; break;
+ case MVT::v4i16: OpcodeIndex = 1; break;
+ case MVT::v2f32:
+ case MVT::v2i32: OpcodeIndex = 2; break;
+ // Quad-register operations:
+ case MVT::v8i16: OpcodeIndex = 0; break;
+ case MVT::v4f32:
+ case MVT::v4i32: OpcodeIndex = 1; break;
+ }
+
+ SDValue Pred = CurDAG->getTargetConstant(14, MVT::i32);
+ SDValue PredReg = CurDAG->getRegister(0, MVT::i32);
+
+ SmallVector<SDValue, 9> Ops;
+ Ops.push_back(MemAddr);
+ Ops.push_back(MemUpdate);
+ Ops.push_back(MemOpc);
+ Ops.push_back(Align);
+
+ unsigned Opc = 0;
+ if (is64BitVector) {
+ Opc = DOpcodes[OpcodeIndex];
+ for (unsigned Vec = 0; Vec < NumVecs; ++Vec)
+ Ops.push_back(N->getOperand(Vec+3));
+ } else {
+ // Check if this is loading the even or odd subreg of a Q register.
+ if (Lane < NumElts) {
+ Opc = QOpcodes0[OpcodeIndex];
+ } else {
+ Lane -= NumElts;
+ Opc = QOpcodes1[OpcodeIndex];
+ }
+ // Extract the subregs of the input vector.
+ for (unsigned Vec = 0; Vec < NumVecs; ++Vec)
+ Ops.push_back(CurDAG->getTargetExtractSubreg(SubregIdx, dl, RegVT,
+ N->getOperand(Vec+3)));
+ }
+ Ops.push_back(getI32Imm(Lane));
+ Ops.push_back(Pred);
+ Ops.push_back(PredReg);
+ Ops.push_back(Chain);
+
+ if (!IsLoad)
+ return CurDAG->getMachineNode(Opc, dl, MVT::Other, Ops.data(), NumVecs+8);
+
+ std::vector<EVT> ResTys(NumVecs, RegVT);
+ ResTys.push_back(MVT::Other);
+ SDNode *VLdLn =
+ CurDAG->getMachineNode(Opc, dl, ResTys, Ops.data(), NumVecs+8);
+ // For a 64-bit vector load to D registers, nothing more needs to be done.
+ if (is64BitVector)
+ return VLdLn;
+
+ // For 128-bit vectors, take the 64-bit results of the load and insert them
+ // as subregs into the result.
+ for (unsigned Vec = 0; Vec < NumVecs; ++Vec) {
+ SDValue QuadVec = CurDAG->getTargetInsertSubreg(SubregIdx, dl, VT,
+ N->getOperand(Vec+3),
+ SDValue(VLdLn, Vec));
+ ReplaceUses(SDValue(N, Vec), QuadVec);
+ }
+
+ Chain = SDValue(VLdLn, NumVecs);
+ ReplaceUses(SDValue(N, NumVecs), Chain);
+ return NULL;
+}
+
+SDNode *ARMDAGToDAGISel::SelectV6T2BitfieldExtractOp(SDNode *N,
+ unsigned Opc) {
+ if (!Subtarget->hasV6T2Ops())
+ return NULL;
+
+ unsigned Shl_imm = 0;
+ if (isOpcWithIntImmediate(N->getOperand(0).getNode(), ISD::SHL, Shl_imm)) {
+ assert(Shl_imm > 0 && Shl_imm < 32 && "bad amount in shift node!");
+ unsigned Srl_imm = 0;
+ if (isInt32Immediate(N->getOperand(1), Srl_imm)) {
+ assert(Srl_imm > 0 && Srl_imm < 32 && "bad amount in shift node!");
+ unsigned Width = 32 - Srl_imm;
+ int LSB = Srl_imm - Shl_imm;
+ if (LSB < 0)
+ return NULL;
+ SDValue Reg0 = CurDAG->getRegister(0, MVT::i32);
+ SDValue Ops[] = { N->getOperand(0).getOperand(0),
+ CurDAG->getTargetConstant(LSB, MVT::i32),
+ CurDAG->getTargetConstant(Width, MVT::i32),
+ getAL(CurDAG), Reg0 };
+ return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 5);
+ }
+ }
+ return NULL;
+}
+
+SDNode *ARMDAGToDAGISel::
+SelectT2CMOVShiftOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
+ ARMCC::CondCodes CCVal, SDValue CCR, SDValue InFlag) {
+ SDValue CPTmp0;
+ SDValue CPTmp1;
+ if (SelectT2ShifterOperandReg(N, TrueVal, CPTmp0, CPTmp1)) {
+ unsigned SOVal = cast<ConstantSDNode>(CPTmp1)->getZExtValue();
+ unsigned SOShOp = ARM_AM::getSORegShOp(SOVal);
+ unsigned Opc = 0;
+ switch (SOShOp) {
+ case ARM_AM::lsl: Opc = ARM::t2MOVCClsl; break;
+ case ARM_AM::lsr: Opc = ARM::t2MOVCClsr; break;
+ case ARM_AM::asr: Opc = ARM::t2MOVCCasr; break;
+ case ARM_AM::ror: Opc = ARM::t2MOVCCror; break;
+ default:
+ llvm_unreachable("Unknown so_reg opcode!");
+ break;
+ }
+ SDValue SOShImm =
+ CurDAG->getTargetConstant(ARM_AM::getSORegOffset(SOVal), MVT::i32);
+ SDValue CC = CurDAG->getTargetConstant(CCVal, MVT::i32);
+ SDValue Ops[] = { FalseVal, CPTmp0, SOShImm, CC, CCR, InFlag };
+ return CurDAG->SelectNodeTo(N, Opc, MVT::i32,Ops, 6);
+ }
+ return 0;
+}
+
+SDNode *ARMDAGToDAGISel::
+SelectARMCMOVShiftOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
+ ARMCC::CondCodes CCVal, SDValue CCR, SDValue InFlag) {
+ SDValue CPTmp0;
+ SDValue CPTmp1;
+ SDValue CPTmp2;
+ if (SelectShifterOperandReg(N, TrueVal, CPTmp0, CPTmp1, CPTmp2)) {
+ SDValue CC = CurDAG->getTargetConstant(CCVal, MVT::i32);
+ SDValue Ops[] = { FalseVal, CPTmp0, CPTmp1, CPTmp2, CC, CCR, InFlag };
+ return CurDAG->SelectNodeTo(N, ARM::MOVCCs, MVT::i32, Ops, 7);
+ }
+ return 0;
+}
+
+SDNode *ARMDAGToDAGISel::
+SelectT2CMOVSoImmOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
+ ARMCC::CondCodes CCVal, SDValue CCR, SDValue InFlag) {
+ ConstantSDNode *T = dyn_cast<ConstantSDNode>(TrueVal);
+ if (!T)
+ return 0;
+
+ if (Predicate_t2_so_imm(TrueVal.getNode())) {
+ SDValue True = CurDAG->getTargetConstant(T->getZExtValue(), MVT::i32);
+ SDValue CC = CurDAG->getTargetConstant(CCVal, MVT::i32);
+ SDValue Ops[] = { FalseVal, True, CC, CCR, InFlag };
+ return CurDAG->SelectNodeTo(N,
+ ARM::t2MOVCCi, MVT::i32, Ops, 5);
+ }
+ return 0;
+}
+
+SDNode *ARMDAGToDAGISel::
+SelectARMCMOVSoImmOp(SDNode *N, SDValue FalseVal, SDValue TrueVal,
+ ARMCC::CondCodes CCVal, SDValue CCR, SDValue InFlag) {
+ ConstantSDNode *T = dyn_cast<ConstantSDNode>(TrueVal);
+ if (!T)
+ return 0;
+
+ if (Predicate_so_imm(TrueVal.getNode())) {
+ SDValue True = CurDAG->getTargetConstant(T->getZExtValue(), MVT::i32);
+ SDValue CC = CurDAG->getTargetConstant(CCVal, MVT::i32);
+ SDValue Ops[] = { FalseVal, True, CC, CCR, InFlag };
+ return CurDAG->SelectNodeTo(N,
+ ARM::MOVCCi, MVT::i32, Ops, 5);
+ }
+ return 0;
+}
+
+SDNode *ARMDAGToDAGISel::SelectCMOVOp(SDNode *N) {
+ EVT VT = N->getValueType(0);
+ SDValue FalseVal = N->getOperand(0);
+ SDValue TrueVal = N->getOperand(1);
+ SDValue CC = N->getOperand(2);
+ SDValue CCR = N->getOperand(3);
+ SDValue InFlag = N->getOperand(4);
+ assert(CC.getOpcode() == ISD::Constant);
+ assert(CCR.getOpcode() == ISD::Register);
+ ARMCC::CondCodes CCVal =
+ (ARMCC::CondCodes)cast<ConstantSDNode>(CC)->getZExtValue();
+
+ if (!Subtarget->isThumb1Only() && VT == MVT::i32) {
+ // Pattern: (ARMcmov:i32 GPR:i32:$false, so_reg:i32:$true, (imm:i32):$cc)
+ // Emits: (MOVCCs:i32 GPR:i32:$false, so_reg:i32:$true, (imm:i32):$cc)
+ // Pattern complexity = 18 cost = 1 size = 0
+ SDValue CPTmp0;
+ SDValue CPTmp1;
+ SDValue CPTmp2;
+ if (Subtarget->isThumb()) {
+ SDNode *Res = SelectT2CMOVShiftOp(N, FalseVal, TrueVal,
+ CCVal, CCR, InFlag);
+ if (!Res)
+ Res = SelectT2CMOVShiftOp(N, TrueVal, FalseVal,
+ ARMCC::getOppositeCondition(CCVal), CCR, InFlag);
+ if (Res)
+ return Res;
+ } else {
+ SDNode *Res = SelectARMCMOVShiftOp(N, FalseVal, TrueVal,
+ CCVal, CCR, InFlag);
+ if (!Res)
+ Res = SelectARMCMOVShiftOp(N, TrueVal, FalseVal,
+ ARMCC::getOppositeCondition(CCVal), CCR, InFlag);
+ if (Res)
+ return Res;
+ }
+
+ // Pattern: (ARMcmov:i32 GPR:i32:$false,
+ // (imm:i32)<<P:Predicate_so_imm>>:$true,
+ // (imm:i32):$cc)
+ // Emits: (MOVCCi:i32 GPR:i32:$false,
+ // (so_imm:i32 (imm:i32):$true), (imm:i32):$cc)
+ // Pattern complexity = 10 cost = 1 size = 0
+ if (Subtarget->isThumb()) {
+ SDNode *Res = SelectT2CMOVSoImmOp(N, FalseVal, TrueVal,
+ CCVal, CCR, InFlag);
+ if (!Res)
+ Res = SelectT2CMOVSoImmOp(N, TrueVal, FalseVal,
+ ARMCC::getOppositeCondition(CCVal), CCR, InFlag);
+ if (Res)
+ return Res;
+ } else {
+ SDNode *Res = SelectARMCMOVSoImmOp(N, FalseVal, TrueVal,
+ CCVal, CCR, InFlag);
+ if (!Res)
+ Res = SelectARMCMOVSoImmOp(N, TrueVal, FalseVal,
+ ARMCC::getOppositeCondition(CCVal), CCR, InFlag);
+ if (Res)
+ return Res;
+ }
+ }
+
+ // Pattern: (ARMcmov:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
+ // Emits: (MOVCCr:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
+ // Pattern complexity = 6 cost = 1 size = 0
+ //
+ // Pattern: (ARMcmov:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
+ // Emits: (tMOVCCr:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
+ // Pattern complexity = 6 cost = 11 size = 0
+ //
+ // Also FCPYScc and FCPYDcc.
+ SDValue Tmp2 = CurDAG->getTargetConstant(CCVal, MVT::i32);
+ SDValue Ops[] = { FalseVal, TrueVal, Tmp2, CCR, InFlag };
+ unsigned Opc = 0;
+ switch (VT.getSimpleVT().SimpleTy) {
+ default: assert(false && "Illegal conditional move type!");
+ break;
+ case MVT::i32:
+ Opc = Subtarget->isThumb()
+ ? (Subtarget->hasThumb2() ? ARM::t2MOVCCr : ARM::tMOVCCr_pseudo)
+ : ARM::MOVCCr;
+ break;
+ case MVT::f32:
+ Opc = ARM::VMOVScc;
+ break;
+ case MVT::f64:
+ Opc = ARM::VMOVDcc;
+ break;
+ }
+ return CurDAG->SelectNodeTo(N, Opc, VT, Ops, 5);
+}
+
+SDNode *ARMDAGToDAGISel::Select(SDNode *N) {
DebugLoc dl = N->getDebugLoc();
if (N->isMachineOpcode())
case ISD::Constant: {
unsigned Val = cast<ConstantSDNode>(N)->getZExtValue();
bool UseCP = true;
- if (Subtarget->isThumb()) {
- if (Subtarget->hasThumb2())
- // Thumb2 has the MOVT instruction, so all immediates can
- // be done with MOV + MOVT, at worst.
- UseCP = 0;
- else
+ if (Subtarget->hasThumb2())
+ // Thumb2-aware targets have the MOVT instruction, so all immediates can
+ // be done with MOV + MOVT, at worst.
+ UseCP = 0;
+ else {
+ if (Subtarget->isThumb()) {
UseCP = (Val > 255 && // MOV
~Val > 255 && // MOV + MVN
!ARM_AM::isThumbImmShiftedVal(Val)); // MOV + LSL
- } else
- UseCP = (ARM_AM::getSOImmVal(Val) == -1 && // MOV
- ARM_AM::getSOImmVal(~Val) == -1 && // MVN
- !ARM_AM::isSOImmTwoPartVal(Val)); // two instrs.
+ } else
+ UseCP = (ARM_AM::getSOImmVal(Val) == -1 && // MOV
+ ARM_AM::getSOImmVal(~Val) == -1 && // MVN
+ !ARM_AM::isSOImmTwoPartVal(Val)); // two instrs.
+ }
+
if (UseCP) {
SDValue CPIdx =
- CurDAG->getTargetConstantPool(ConstantInt::get(Type::Int32Ty, Val),
+ CurDAG->getTargetConstantPool(ConstantInt::get(
+ Type::getInt32Ty(*CurDAG->getContext()), Val),
TLI.getPointerTy());
SDNode *ResNode;
if (Subtarget->isThumb1Only()) {
- SDValue Pred = CurDAG->getTargetConstant(0xEULL, EVT::i32);
- SDValue PredReg = CurDAG->getRegister(0, EVT::i32);
+ SDValue Pred = CurDAG->getTargetConstant(14, MVT::i32);
+ SDValue PredReg = CurDAG->getRegister(0, MVT::i32);
SDValue Ops[] = { CPIdx, Pred, PredReg, CurDAG->getEntryNode() };
- ResNode = CurDAG->getTargetNode(ARM::tLDRcp, dl, EVT::i32, EVT::Other,
- Ops, 4);
+ ResNode = CurDAG->getMachineNode(ARM::tLDRcp, dl, MVT::i32, MVT::Other,
+ Ops, 4);
} else {
SDValue Ops[] = {
- CPIdx,
- CurDAG->getRegister(0, EVT::i32),
- CurDAG->getTargetConstant(0, EVT::i32),
+ CPIdx,
+ CurDAG->getRegister(0, MVT::i32),
+ CurDAG->getTargetConstant(0, MVT::i32),
getAL(CurDAG),
- CurDAG->getRegister(0, EVT::i32),
+ CurDAG->getRegister(0, MVT::i32),
CurDAG->getEntryNode()
};
- ResNode=CurDAG->getTargetNode(ARM::LDRcp, dl, EVT::i32, EVT::Other,
- Ops, 6);
+ ResNode=CurDAG->getMachineNode(ARM::LDRcp, dl, MVT::i32, MVT::Other,
+ Ops, 6);
}
- ReplaceUses(Op, SDValue(ResNode, 0));
+ ReplaceUses(SDValue(N, 0), SDValue(ResNode, 0));
return NULL;
}
-
+
// Other cases are autogenerated.
break;
}
int FI = cast<FrameIndexSDNode>(N)->getIndex();
SDValue TFI = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
if (Subtarget->isThumb1Only()) {
- return CurDAG->SelectNodeTo(N, ARM::tADDrSPi, EVT::i32, TFI,
- CurDAG->getTargetConstant(0, EVT::i32));
+ return CurDAG->SelectNodeTo(N, ARM::tADDrSPi, MVT::i32, TFI,
+ CurDAG->getTargetConstant(0, MVT::i32));
} else {
unsigned Opc = ((Subtarget->isThumb() && Subtarget->hasThumb2()) ?
ARM::t2ADDri : ARM::ADDri);
- SDValue Ops[] = { TFI, CurDAG->getTargetConstant(0, EVT::i32),
- getAL(CurDAG), CurDAG->getRegister(0, EVT::i32),
- CurDAG->getRegister(0, EVT::i32) };
- return CurDAG->SelectNodeTo(N, Opc, EVT::i32, Ops, 5);
+ SDValue Ops[] = { TFI, CurDAG->getTargetConstant(0, MVT::i32),
+ getAL(CurDAG), CurDAG->getRegister(0, MVT::i32),
+ CurDAG->getRegister(0, MVT::i32) };
+ return CurDAG->SelectNodeTo(N, Opc, MVT::i32, Ops, 5);
}
}
case ARMISD::DYN_ALLOC:
- return SelectDYN_ALLOC(Op);
+ return SelectDYN_ALLOC(N);
+ case ISD::SRL:
+ if (SDNode *I = SelectV6T2BitfieldExtractOp(N,
+ Subtarget->isThumb() ? ARM::t2UBFX : ARM::UBFX))
+ return I;
+ break;
+ case ISD::SRA:
+ if (SDNode *I = SelectV6T2BitfieldExtractOp(N,
+ Subtarget->isThumb() ? ARM::t2SBFX : ARM::SBFX))
+ return I;
+ break;
case ISD::MUL:
if (Subtarget->isThumb1Only())
break;
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
+ if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N->getOperand(1))) {
unsigned RHSV = C->getZExtValue();
if (!RHSV) break;
if (isPowerOf2_32(RHSV-1)) { // 2^n+1?
unsigned ShImm = Log2_32(RHSV-1);
if (ShImm >= 32)
break;
- SDValue V = Op.getOperand(0);
+ SDValue V = N->getOperand(0);
ShImm = ARM_AM::getSORegOpc(ARM_AM::lsl, ShImm);
- SDValue ShImmOp = CurDAG->getTargetConstant(ShImm, EVT::i32);
- SDValue Reg0 = CurDAG->getRegister(0, EVT::i32);
+ SDValue ShImmOp = CurDAG->getTargetConstant(ShImm, MVT::i32);
+ SDValue Reg0 = CurDAG->getRegister(0, MVT::i32);
if (Subtarget->isThumb()) {
SDValue Ops[] = { V, V, ShImmOp, getAL(CurDAG), Reg0, Reg0 };
- return CurDAG->SelectNodeTo(N, ARM::t2ADDrs, EVT::i32, Ops, 6);
+ return CurDAG->SelectNodeTo(N, ARM::t2ADDrs, MVT::i32, Ops, 6);
} else {
SDValue Ops[] = { V, V, Reg0, ShImmOp, getAL(CurDAG), Reg0, Reg0 };
- return CurDAG->SelectNodeTo(N, ARM::ADDrs, EVT::i32, Ops, 7);
+ return CurDAG->SelectNodeTo(N, ARM::ADDrs, MVT::i32, Ops, 7);
}
}
if (isPowerOf2_32(RHSV+1)) { // 2^n-1?
unsigned ShImm = Log2_32(RHSV+1);
if (ShImm >= 32)
break;
- SDValue V = Op.getOperand(0);
+ SDValue V = N->getOperand(0);
ShImm = ARM_AM::getSORegOpc(ARM_AM::lsl, ShImm);
- SDValue ShImmOp = CurDAG->getTargetConstant(ShImm, EVT::i32);
- SDValue Reg0 = CurDAG->getRegister(0, EVT::i32);
+ SDValue ShImmOp = CurDAG->getTargetConstant(ShImm, MVT::i32);
+ SDValue Reg0 = CurDAG->getRegister(0, MVT::i32);
if (Subtarget->isThumb()) {
SDValue Ops[] = { V, V, ShImmOp, getAL(CurDAG), Reg0 };
- return CurDAG->SelectNodeTo(N, ARM::t2RSBrs, EVT::i32, Ops, 5);
+ return CurDAG->SelectNodeTo(N, ARM::t2RSBrs, MVT::i32, Ops, 5);
} else {
SDValue Ops[] = { V, V, Reg0, ShImmOp, getAL(CurDAG), Reg0, Reg0 };
- return CurDAG->SelectNodeTo(N, ARM::RSBrs, EVT::i32, Ops, 7);
+ return CurDAG->SelectNodeTo(N, ARM::RSBrs, MVT::i32, Ops, 7);
}
}
}
break;
- case ARMISD::FMRRD:
- return CurDAG->getTargetNode(ARM::FMRRD, dl, EVT::i32, EVT::i32,
- Op.getOperand(0), getAL(CurDAG),
- CurDAG->getRegister(0, EVT::i32));
+ case ISD::AND: {
+ // (and (or x, c2), c1) and top 16-bits of c1 and c2 match, lower 16-bits
+ // of c1 are 0xffff, and lower 16-bit of c2 are 0. That is, the top 16-bits
+ // are entirely contributed by c2 and lower 16-bits are entirely contributed
+ // by x. That's equal to (or (and x, 0xffff), (and c1, 0xffff0000)).
+ // Select it to: "movt x, ((c1 & 0xffff) >> 16)
+ EVT VT = N->getValueType(0);
+ if (VT != MVT::i32)
+ break;
+ unsigned Opc = (Subtarget->isThumb() && Subtarget->hasThumb2())
+ ? ARM::t2MOVTi16
+ : (Subtarget->hasV6T2Ops() ? ARM::MOVTi16 : 0);
+ if (!Opc)
+ break;
+ SDValue N0 = N->getOperand(0), N1 = N->getOperand(1);
+ ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1);
+ if (!N1C)
+ break;
+ if (N0.getOpcode() == ISD::OR && N0.getNode()->hasOneUse()) {
+ SDValue N2 = N0.getOperand(1);
+ ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2);
+ if (!N2C)
+ break;
+ unsigned N1CVal = N1C->getZExtValue();
+ unsigned N2CVal = N2C->getZExtValue();
+ if ((N1CVal & 0xffff0000U) == (N2CVal & 0xffff0000U) &&
+ (N1CVal & 0xffffU) == 0xffffU &&
+ (N2CVal & 0xffffU) == 0x0U) {
+ SDValue Imm16 = CurDAG->getTargetConstant((N2CVal & 0xFFFF0000U) >> 16,
+ MVT::i32);
+ SDValue Ops[] = { N0.getOperand(0), Imm16,
+ getAL(CurDAG), CurDAG->getRegister(0, MVT::i32) };
+ return CurDAG->getMachineNode(Opc, dl, VT, Ops, 4);
+ }
+ }
+ break;
+ }
+ case ARMISD::VMOVRRD:
+ return CurDAG->getMachineNode(ARM::VMOVRRD, dl, MVT::i32, MVT::i32,
+ N->getOperand(0), getAL(CurDAG),
+ CurDAG->getRegister(0, MVT::i32));
case ISD::UMUL_LOHI: {
if (Subtarget->isThumb1Only())
break;
if (Subtarget->isThumb()) {
- SDValue Ops[] = { Op.getOperand(0), Op.getOperand(1),
- getAL(CurDAG), CurDAG->getRegister(0, EVT::i32),
- CurDAG->getRegister(0, EVT::i32) };
- return CurDAG->getTargetNode(ARM::t2UMULL, dl, EVT::i32, EVT::i32, Ops,4);
+ SDValue Ops[] = { N->getOperand(0), N->getOperand(1),
+ getAL(CurDAG), CurDAG->getRegister(0, MVT::i32),
+ CurDAG->getRegister(0, MVT::i32) };
+ return CurDAG->getMachineNode(ARM::t2UMULL, dl, MVT::i32, MVT::i32, Ops,4);
} else {
- SDValue Ops[] = { Op.getOperand(0), Op.getOperand(1),
- getAL(CurDAG), CurDAG->getRegister(0, EVT::i32),
- CurDAG->getRegister(0, EVT::i32) };
- return CurDAG->getTargetNode(ARM::UMULL, dl, EVT::i32, EVT::i32, Ops, 5);
+ SDValue Ops[] = { N->getOperand(0), N->getOperand(1),
+ getAL(CurDAG), CurDAG->getRegister(0, MVT::i32),
+ CurDAG->getRegister(0, MVT::i32) };
+ return CurDAG->getMachineNode(ARM::UMULL, dl, MVT::i32, MVT::i32, Ops, 5);
}
}
case ISD::SMUL_LOHI: {
if (Subtarget->isThumb1Only())
break;
if (Subtarget->isThumb()) {
- SDValue Ops[] = { Op.getOperand(0), Op.getOperand(1),
- getAL(CurDAG), CurDAG->getRegister(0, EVT::i32) };
- return CurDAG->getTargetNode(ARM::t2SMULL, dl, EVT::i32, EVT::i32, Ops,4);
+ SDValue Ops[] = { N->getOperand(0), N->getOperand(1),
+ getAL(CurDAG), CurDAG->getRegister(0, MVT::i32) };
+ return CurDAG->getMachineNode(ARM::t2SMULL, dl, MVT::i32, MVT::i32, Ops,4);
} else {
- SDValue Ops[] = { Op.getOperand(0), Op.getOperand(1),
- getAL(CurDAG), CurDAG->getRegister(0, EVT::i32),
- CurDAG->getRegister(0, EVT::i32) };
- return CurDAG->getTargetNode(ARM::SMULL, dl, EVT::i32, EVT::i32, Ops, 5);
+ SDValue Ops[] = { N->getOperand(0), N->getOperand(1),
+ getAL(CurDAG), CurDAG->getRegister(0, MVT::i32),
+ CurDAG->getRegister(0, MVT::i32) };
+ return CurDAG->getMachineNode(ARM::SMULL, dl, MVT::i32, MVT::i32, Ops, 5);
}
}
case ISD::LOAD: {
SDNode *ResNode = 0;
if (Subtarget->isThumb() && Subtarget->hasThumb2())
- ResNode = SelectT2IndexedLoad(Op);
+ ResNode = SelectT2IndexedLoad(N);
else
- ResNode = SelectARMIndexedLoad(Op);
+ ResNode = SelectARMIndexedLoad(N);
if (ResNode)
return ResNode;
// Other cases are autogenerated.
// Emits: (t2Bcc:void (bb:Other):$dst, (imm:i32):$cc)
// Pattern complexity = 6 cost = 1 size = 0
- unsigned Opc = Subtarget->isThumb() ?
+ unsigned Opc = Subtarget->isThumb() ?
((Subtarget->hasThumb2()) ? ARM::t2Bcc : ARM::tBcc) : ARM::Bcc;
- SDValue Chain = Op.getOperand(0);
- SDValue N1 = Op.getOperand(1);
- SDValue N2 = Op.getOperand(2);
- SDValue N3 = Op.getOperand(3);
- SDValue InFlag = Op.getOperand(4);
+ SDValue Chain = N->getOperand(0);
+ SDValue N1 = N->getOperand(1);
+ SDValue N2 = N->getOperand(2);
+ SDValue N3 = N->getOperand(3);
+ SDValue InFlag = N->getOperand(4);
assert(N1.getOpcode() == ISD::BasicBlock);
assert(N2.getOpcode() == ISD::Constant);
assert(N3.getOpcode() == ISD::Register);
SDValue Tmp2 = CurDAG->getTargetConstant(((unsigned)
cast<ConstantSDNode>(N2)->getZExtValue()),
- EVT::i32);
+ MVT::i32);
SDValue Ops[] = { N1, Tmp2, N3, Chain, InFlag };
- SDNode *ResNode = CurDAG->getTargetNode(Opc, dl, EVT::Other,
- EVT::Flag, Ops, 5);
+ SDNode *ResNode = CurDAG->getMachineNode(Opc, dl, MVT::Other,
+ MVT::Flag, Ops, 5);
Chain = SDValue(ResNode, 0);
- if (Op.getNode()->getNumValues() == 2) {
+ if (N->getNumValues() == 2) {
InFlag = SDValue(ResNode, 1);
- ReplaceUses(SDValue(Op.getNode(), 1), InFlag);
+ ReplaceUses(SDValue(N, 1), InFlag);
}
- ReplaceUses(SDValue(Op.getNode(), 0), SDValue(Chain.getNode(), Chain.getResNo()));
+ ReplaceUses(SDValue(N, 0),
+ SDValue(Chain.getNode(), Chain.getResNo()));
return NULL;
}
- case ARMISD::CMOV: {
- EVT VT = Op.getValueType();
- SDValue N0 = Op.getOperand(0);
- SDValue N1 = Op.getOperand(1);
- SDValue N2 = Op.getOperand(2);
- SDValue N3 = Op.getOperand(3);
- SDValue InFlag = Op.getOperand(4);
+ case ARMISD::CMOV:
+ return SelectCMOVOp(N);
+ case ARMISD::CNEG: {
+ EVT VT = N->getValueType(0);
+ SDValue N0 = N->getOperand(0);
+ SDValue N1 = N->getOperand(1);
+ SDValue N2 = N->getOperand(2);
+ SDValue N3 = N->getOperand(3);
+ SDValue InFlag = N->getOperand(4);
assert(N2.getOpcode() == ISD::Constant);
assert(N3.getOpcode() == ISD::Register);
- if (!Subtarget->isThumb1Only() && VT == EVT::i32) {
- // Pattern: (ARMcmov:i32 GPR:i32:$false, so_reg:i32:$true, (imm:i32):$cc)
- // Emits: (MOVCCs:i32 GPR:i32:$false, so_reg:i32:$true, (imm:i32):$cc)
- // Pattern complexity = 18 cost = 1 size = 0
- SDValue CPTmp0;
- SDValue CPTmp1;
- SDValue CPTmp2;
- if (Subtarget->isThumb()) {
- if (SelectT2ShifterOperandReg(Op, N1, CPTmp0, CPTmp1)) {
- unsigned SOVal = cast<ConstantSDNode>(CPTmp1)->getZExtValue();
- unsigned SOShOp = ARM_AM::getSORegShOp(SOVal);
- unsigned Opc = 0;
- switch (SOShOp) {
- case ARM_AM::lsl: Opc = ARM::t2MOVCClsl; break;
- case ARM_AM::lsr: Opc = ARM::t2MOVCClsr; break;
- case ARM_AM::asr: Opc = ARM::t2MOVCCasr; break;
- case ARM_AM::ror: Opc = ARM::t2MOVCCror; break;
- default:
- llvm_unreachable("Unknown so_reg opcode!");
- break;
- }
- SDValue SOShImm =
- CurDAG->getTargetConstant(ARM_AM::getSORegOffset(SOVal), EVT::i32);
- SDValue Tmp2 = CurDAG->getTargetConstant(((unsigned)
- cast<ConstantSDNode>(N2)->getZExtValue()),
- EVT::i32);
- SDValue Ops[] = { N0, CPTmp0, SOShImm, Tmp2, N3, InFlag };
- return CurDAG->SelectNodeTo(Op.getNode(), Opc, EVT::i32,Ops, 6);
- }
- } else {
- if (SelectShifterOperandReg(Op, N1, CPTmp0, CPTmp1, CPTmp2)) {
- SDValue Tmp2 = CurDAG->getTargetConstant(((unsigned)
- cast<ConstantSDNode>(N2)->getZExtValue()),
- EVT::i32);
- SDValue Ops[] = { N0, CPTmp0, CPTmp1, CPTmp2, Tmp2, N3, InFlag };
- return CurDAG->SelectNodeTo(Op.getNode(),
- ARM::MOVCCs, EVT::i32, Ops, 7);
- }
- }
-
- // Pattern: (ARMcmov:i32 GPR:i32:$false,
- // (imm:i32)<<P:Predicate_so_imm>>:$true,
- // (imm:i32):$cc)
- // Emits: (MOVCCi:i32 GPR:i32:$false,
- // (so_imm:i32 (imm:i32):$true), (imm:i32):$cc)
- // Pattern complexity = 10 cost = 1 size = 0
- if (N3.getOpcode() == ISD::Constant) {
- if (Subtarget->isThumb()) {
- if (Predicate_t2_so_imm(N3.getNode())) {
- SDValue Tmp1 = CurDAG->getTargetConstant(((unsigned)
- cast<ConstantSDNode>(N1)->getZExtValue()),
- EVT::i32);
- SDValue Tmp2 = CurDAG->getTargetConstant(((unsigned)
- cast<ConstantSDNode>(N2)->getZExtValue()),
- EVT::i32);
- SDValue Ops[] = { N0, Tmp1, Tmp2, N3, InFlag };
- return CurDAG->SelectNodeTo(Op.getNode(),
- ARM::t2MOVCCi, EVT::i32, Ops, 5);
- }
- } else {
- if (Predicate_so_imm(N3.getNode())) {
- SDValue Tmp1 = CurDAG->getTargetConstant(((unsigned)
- cast<ConstantSDNode>(N1)->getZExtValue()),
- EVT::i32);
- SDValue Tmp2 = CurDAG->getTargetConstant(((unsigned)
- cast<ConstantSDNode>(N2)->getZExtValue()),
- EVT::i32);
- SDValue Ops[] = { N0, Tmp1, Tmp2, N3, InFlag };
- return CurDAG->SelectNodeTo(Op.getNode(),
- ARM::MOVCCi, EVT::i32, Ops, 5);
- }
- }
- }
- }
-
- // Pattern: (ARMcmov:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
- // Emits: (MOVCCr:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
- // Pattern complexity = 6 cost = 1 size = 0
- //
- // Pattern: (ARMcmov:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
- // Emits: (tMOVCCr:i32 GPR:i32:$false, GPR:i32:$true, (imm:i32):$cc)
- // Pattern complexity = 6 cost = 11 size = 0
- //
- // Also FCPYScc and FCPYDcc.
SDValue Tmp2 = CurDAG->getTargetConstant(((unsigned)
cast<ConstantSDNode>(N2)->getZExtValue()),
- EVT::i32);
+ MVT::i32);
SDValue Ops[] = { N0, N1, Tmp2, N3, InFlag };
unsigned Opc = 0;
- switch (VT.getSimpleVT()) {
+ switch (VT.getSimpleVT().SimpleTy) {
default: assert(false && "Illegal conditional move type!");
break;
- case EVT::i32:
- Opc = Subtarget->isThumb()
- ? (Subtarget->hasThumb2() ? ARM::t2MOVCCr : ARM::tMOVCCr)
- : ARM::MOVCCr;
+ case MVT::f32:
+ Opc = ARM::VNEGScc;
break;
- case EVT::f32:
- Opc = ARM::FCPYScc;
+ case MVT::f64:
+ Opc = ARM::VNEGDcc;
break;
- case EVT::f64:
- Opc = ARM::FCPYDcc;
- break;
}
- return CurDAG->SelectNodeTo(Op.getNode(), Opc, VT, Ops, 5);
+ return CurDAG->SelectNodeTo(N, Opc, VT, Ops, 5);
}
- case ARMISD::CNEG: {
- EVT VT = Op.getValueType();
- SDValue N0 = Op.getOperand(0);
- SDValue N1 = Op.getOperand(1);
- SDValue N2 = Op.getOperand(2);
- SDValue N3 = Op.getOperand(3);
- SDValue InFlag = Op.getOperand(4);
- assert(N2.getOpcode() == ISD::Constant);
- assert(N3.getOpcode() == ISD::Register);
- SDValue Tmp2 = CurDAG->getTargetConstant(((unsigned)
- cast<ConstantSDNode>(N2)->getZExtValue()),
- EVT::i32);
- SDValue Ops[] = { N0, N1, Tmp2, N3, InFlag };
+ case ARMISD::VZIP: {
unsigned Opc = 0;
- switch (VT.getSimpleVT()) {
- default: assert(false && "Illegal conditional move type!");
- break;
- case EVT::f32:
- Opc = ARM::FNEGScc;
- break;
- case EVT::f64:
- Opc = ARM::FNEGDcc;
- break;
+ EVT VT = N->getValueType(0);
+ switch (VT.getSimpleVT().SimpleTy) {
+ default: return NULL;
+ case MVT::v8i8: Opc = ARM::VZIPd8; break;
+ case MVT::v4i16: Opc = ARM::VZIPd16; break;
+ case MVT::v2f32:
+ case MVT::v2i32: Opc = ARM::VZIPd32; break;
+ case MVT::v16i8: Opc = ARM::VZIPq8; break;
+ case MVT::v8i16: Opc = ARM::VZIPq16; break;
+ case MVT::v4f32:
+ case MVT::v4i32: Opc = ARM::VZIPq32; break;
}
- return CurDAG->SelectNodeTo(Op.getNode(), Opc, VT, Ops, 5);
+ SDValue Pred = CurDAG->getTargetConstant(14, MVT::i32);
+ SDValue PredReg = CurDAG->getRegister(0, MVT::i32);
+ SDValue Ops[] = { N->getOperand(0), N->getOperand(1), Pred, PredReg };
+ return CurDAG->getMachineNode(Opc, dl, VT, VT, Ops, 4);
}
-
- case ISD::DECLARE: {
- SDValue Chain = Op.getOperand(0);
- SDValue N1 = Op.getOperand(1);
- SDValue N2 = Op.getOperand(2);
- FrameIndexSDNode *FINode = dyn_cast<FrameIndexSDNode>(N1);
- // FIXME: handle VLAs.
- if (!FINode) {
- ReplaceUses(Op.getValue(0), Chain);
- return NULL;
+ case ARMISD::VUZP: {
+ unsigned Opc = 0;
+ EVT VT = N->getValueType(0);
+ switch (VT.getSimpleVT().SimpleTy) {
+ default: return NULL;
+ case MVT::v8i8: Opc = ARM::VUZPd8; break;
+ case MVT::v4i16: Opc = ARM::VUZPd16; break;
+ case MVT::v2f32:
+ case MVT::v2i32: Opc = ARM::VUZPd32; break;
+ case MVT::v16i8: Opc = ARM::VUZPq8; break;
+ case MVT::v8i16: Opc = ARM::VUZPq16; break;
+ case MVT::v4f32:
+ case MVT::v4i32: Opc = ARM::VUZPq32; break;
}
- if (N2.getOpcode() == ARMISD::PIC_ADD && isa<LoadSDNode>(N2.getOperand(0)))
- N2 = N2.getOperand(0);
- LoadSDNode *Ld = dyn_cast<LoadSDNode>(N2);
- if (!Ld) {
- ReplaceUses(Op.getValue(0), Chain);
- return NULL;
+ SDValue Pred = CurDAG->getTargetConstant(14, MVT::i32);
+ SDValue PredReg = CurDAG->getRegister(0, MVT::i32);
+ SDValue Ops[] = { N->getOperand(0), N->getOperand(1), Pred, PredReg };
+ return CurDAG->getMachineNode(Opc, dl, VT, VT, Ops, 4);
+ }
+ case ARMISD::VTRN: {
+ unsigned Opc = 0;
+ EVT VT = N->getValueType(0);
+ switch (VT.getSimpleVT().SimpleTy) {
+ default: return NULL;
+ case MVT::v8i8: Opc = ARM::VTRNd8; break;
+ case MVT::v4i16: Opc = ARM::VTRNd16; break;
+ case MVT::v2f32:
+ case MVT::v2i32: Opc = ARM::VTRNd32; break;
+ case MVT::v16i8: Opc = ARM::VTRNq8; break;
+ case MVT::v8i16: Opc = ARM::VTRNq16; break;
+ case MVT::v4f32:
+ case MVT::v4i32: Opc = ARM::VTRNq32; break;
}
- SDValue BasePtr = Ld->getBasePtr();
- assert(BasePtr.getOpcode() == ARMISD::Wrapper &&
- isa<ConstantPoolSDNode>(BasePtr.getOperand(0)) &&
- "llvm.dbg.variable should be a constantpool node");
- ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(BasePtr.getOperand(0));
- GlobalValue *GV = 0;
- if (CP->isMachineConstantPoolEntry()) {
- ARMConstantPoolValue *ACPV = (ARMConstantPoolValue*)CP->getMachineCPVal();
- GV = ACPV->getGV();
- } else
- GV = dyn_cast<GlobalValue>(CP->getConstVal());
- if (!GV) {
- ReplaceUses(Op.getValue(0), Chain);
- return NULL;
+ SDValue Pred = CurDAG->getTargetConstant(14, MVT::i32);
+ SDValue PredReg = CurDAG->getRegister(0, MVT::i32);
+ SDValue Ops[] = { N->getOperand(0), N->getOperand(1), Pred, PredReg };
+ return CurDAG->getMachineNode(Opc, dl, VT, VT, Ops, 4);
+ }
+
+ case ISD::INTRINSIC_VOID:
+ case ISD::INTRINSIC_W_CHAIN: {
+ unsigned IntNo = cast<ConstantSDNode>(N->getOperand(1))->getZExtValue();
+ switch (IntNo) {
+ default:
+ break;
+
+ case Intrinsic::arm_neon_vld2: {
+ unsigned DOpcodes[] = { ARM::VLD2d8, ARM::VLD2d16,
+ ARM::VLD2d32, ARM::VLD2d64 };
+ unsigned QOpcodes[] = { ARM::VLD2q8, ARM::VLD2q16, ARM::VLD2q32 };
+ return SelectVLD(N, 2, DOpcodes, QOpcodes, 0);
}
-
- SDValue Tmp1 = CurDAG->getTargetFrameIndex(FINode->getIndex(),
- TLI.getPointerTy());
- SDValue Tmp2 = CurDAG->getTargetGlobalAddress(GV, TLI.getPointerTy());
- SDValue Ops[] = { Tmp1, Tmp2, Chain };
- return CurDAG->getTargetNode(TargetInstrInfo::DECLARE, dl,
- EVT::Other, Ops, 3);
- }
-
- case ISD::VECTOR_SHUFFLE: {
- EVT VT = Op.getValueType();
-
- // Match 128-bit splat to VDUPLANEQ. (This could be done with a Pat in
- // ARMInstrNEON.td but it is awkward because the shuffle mask needs to be
- // transformed first into a lane number and then to both a subregister
- // index and an adjusted lane number.) If the source operand is a
- // SCALAR_TO_VECTOR, leave it so it will be matched later as a VDUP.
- ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(N);
- if (VT.is128BitVector() && SVOp->isSplat() &&
- Op.getOperand(0).getOpcode() != ISD::SCALAR_TO_VECTOR &&
- Op.getOperand(1).getOpcode() == ISD::UNDEF) {
- unsigned LaneVal = SVOp->getSplatIndex();
-
- EVT HalfVT;
- unsigned Opc = 0;
- switch (VT.getVectorElementType().getSimpleVT()) {
- default: llvm_unreachable("unhandled VDUP splat type");
- case EVT::i8: Opc = ARM::VDUPLN8q; HalfVT = EVT::v8i8; break;
- case EVT::i16: Opc = ARM::VDUPLN16q; HalfVT = EVT::v4i16; break;
- case EVT::i32: Opc = ARM::VDUPLN32q; HalfVT = EVT::v2i32; break;
- case EVT::f32: Opc = ARM::VDUPLNfq; HalfVT = EVT::v2f32; break;
- }
- // The source operand needs to be changed to a subreg of the original
- // 128-bit operand, and the lane number needs to be adjusted accordingly.
- unsigned NumElts = VT.getVectorNumElements() / 2;
- unsigned SRVal = (LaneVal < NumElts ? arm_dsubreg_0 : arm_dsubreg_1);
- SDValue SR = CurDAG->getTargetConstant(SRVal, EVT::i32);
- SDValue NewLane = CurDAG->getTargetConstant(LaneVal % NumElts, EVT::i32);
- SDNode *SubReg = CurDAG->getTargetNode(TargetInstrInfo::EXTRACT_SUBREG,
- dl, HalfVT, N->getOperand(0), SR);
- return CurDAG->SelectNodeTo(N, Opc, VT, SDValue(SubReg, 0), NewLane);
+ case Intrinsic::arm_neon_vld3: {
+ unsigned DOpcodes[] = { ARM::VLD3d8, ARM::VLD3d16,
+ ARM::VLD3d32, ARM::VLD3d64 };
+ unsigned QOpcodes0[] = { ARM::VLD3q8a, ARM::VLD3q16a, ARM::VLD3q32a };
+ unsigned QOpcodes1[] = { ARM::VLD3q8b, ARM::VLD3q16b, ARM::VLD3q32b };
+ return SelectVLD(N, 3, DOpcodes, QOpcodes0, QOpcodes1);
}
- break;
- }
+ case Intrinsic::arm_neon_vld4: {
+ unsigned DOpcodes[] = { ARM::VLD4d8, ARM::VLD4d16,
+ ARM::VLD4d32, ARM::VLD4d64 };
+ unsigned QOpcodes0[] = { ARM::VLD4q8a, ARM::VLD4q16a, ARM::VLD4q32a };
+ unsigned QOpcodes1[] = { ARM::VLD4q8b, ARM::VLD4q16b, ARM::VLD4q32b };
+ return SelectVLD(N, 4, DOpcodes, QOpcodes0, QOpcodes1);
+ }
- case ARMISD::VLD2D: {
- SDValue MemAddr, MemUpdate, MemOpc;
- if (!SelectAddrMode6(Op, N->getOperand(1), MemAddr, MemUpdate, MemOpc))
- return NULL;
- unsigned Opc = 0;
- EVT VT = Op.getValueType();
- switch (VT.getSimpleVT()) {
- default: llvm_unreachable("unhandled VLD2D type");
- case EVT::v8i8: Opc = ARM::VLD2d8; break;
- case EVT::v4i16: Opc = ARM::VLD2d16; break;
- case EVT::v2f32:
- case EVT::v2i32: Opc = ARM::VLD2d32; break;
+ case Intrinsic::arm_neon_vld2lane: {
+ unsigned DOpcodes[] = { ARM::VLD2LNd8, ARM::VLD2LNd16, ARM::VLD2LNd32 };
+ unsigned QOpcodes0[] = { ARM::VLD2LNq16a, ARM::VLD2LNq32a };
+ unsigned QOpcodes1[] = { ARM::VLD2LNq16b, ARM::VLD2LNq32b };
+ return SelectVLDSTLane(N, true, 2, DOpcodes, QOpcodes0, QOpcodes1);
}
- const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc };
- return CurDAG->getTargetNode(Opc, dl, VT, VT, EVT::Other, Ops, 3);
- }
- case ARMISD::VLD3D: {
- SDValue MemAddr, MemUpdate, MemOpc;
- if (!SelectAddrMode6(Op, N->getOperand(1), MemAddr, MemUpdate, MemOpc))
- return NULL;
- unsigned Opc = 0;
- EVT VT = Op.getValueType();
- switch (VT.getSimpleVT()) {
- default: llvm_unreachable("unhandled VLD3D type");
- case EVT::v8i8: Opc = ARM::VLD3d8; break;
- case EVT::v4i16: Opc = ARM::VLD3d16; break;
- case EVT::v2f32:
- case EVT::v2i32: Opc = ARM::VLD3d32; break;
+ case Intrinsic::arm_neon_vld3lane: {
+ unsigned DOpcodes[] = { ARM::VLD3LNd8, ARM::VLD3LNd16, ARM::VLD3LNd32 };
+ unsigned QOpcodes0[] = { ARM::VLD3LNq16a, ARM::VLD3LNq32a };
+ unsigned QOpcodes1[] = { ARM::VLD3LNq16b, ARM::VLD3LNq32b };
+ return SelectVLDSTLane(N, true, 3, DOpcodes, QOpcodes0, QOpcodes1);
}
- const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc };
- return CurDAG->getTargetNode(Opc, dl, VT, VT, VT, EVT::Other, Ops, 3);
- }
- case ARMISD::VLD4D: {
- SDValue MemAddr, MemUpdate, MemOpc;
- if (!SelectAddrMode6(Op, N->getOperand(1), MemAddr, MemUpdate, MemOpc))
- return NULL;
- unsigned Opc = 0;
- EVT VT = Op.getValueType();
- switch (VT.getSimpleVT()) {
- default: llvm_unreachable("unhandled VLD4D type");
- case EVT::v8i8: Opc = ARM::VLD4d8; break;
- case EVT::v4i16: Opc = ARM::VLD4d16; break;
- case EVT::v2f32:
- case EVT::v2i32: Opc = ARM::VLD4d32; break;
+ case Intrinsic::arm_neon_vld4lane: {
+ unsigned DOpcodes[] = { ARM::VLD4LNd8, ARM::VLD4LNd16, ARM::VLD4LNd32 };
+ unsigned QOpcodes0[] = { ARM::VLD4LNq16a, ARM::VLD4LNq32a };
+ unsigned QOpcodes1[] = { ARM::VLD4LNq16b, ARM::VLD4LNq32b };
+ return SelectVLDSTLane(N, true, 4, DOpcodes, QOpcodes0, QOpcodes1);
}
- const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc };
- std::vector<EVT> ResTys(4, VT);
- ResTys.push_back(EVT::Other);
- return CurDAG->getTargetNode(Opc, dl, ResTys, Ops, 3);
- }
- case ARMISD::VST2D: {
- SDValue MemAddr, MemUpdate, MemOpc;
- if (!SelectAddrMode6(Op, N->getOperand(1), MemAddr, MemUpdate, MemOpc))
- return NULL;
- unsigned Opc = 0;
- switch (N->getOperand(2).getValueType().getSimpleVT()) {
- default: llvm_unreachable("unhandled VST2D type");
- case EVT::v8i8: Opc = ARM::VST2d8; break;
- case EVT::v4i16: Opc = ARM::VST2d16; break;
- case EVT::v2f32:
- case EVT::v2i32: Opc = ARM::VST2d32; break;
+ case Intrinsic::arm_neon_vst2: {
+ unsigned DOpcodes[] = { ARM::VST2d8, ARM::VST2d16,
+ ARM::VST2d32, ARM::VST2d64 };
+ unsigned QOpcodes[] = { ARM::VST2q8, ARM::VST2q16, ARM::VST2q32 };
+ return SelectVST(N, 2, DOpcodes, QOpcodes, 0);
}
- const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc,
- N->getOperand(2), N->getOperand(3) };
- return CurDAG->getTargetNode(Opc, dl, EVT::Other, Ops, 5);
- }
- case ARMISD::VST3D: {
- SDValue MemAddr, MemUpdate, MemOpc;
- if (!SelectAddrMode6(Op, N->getOperand(1), MemAddr, MemUpdate, MemOpc))
- return NULL;
- unsigned Opc = 0;
- switch (N->getOperand(2).getValueType().getSimpleVT()) {
- default: llvm_unreachable("unhandled VST3D type");
- case EVT::v8i8: Opc = ARM::VST3d8; break;
- case EVT::v4i16: Opc = ARM::VST3d16; break;
- case EVT::v2f32:
- case EVT::v2i32: Opc = ARM::VST3d32; break;
+ case Intrinsic::arm_neon_vst3: {
+ unsigned DOpcodes[] = { ARM::VST3d8, ARM::VST3d16,
+ ARM::VST3d32, ARM::VST3d64 };
+ unsigned QOpcodes0[] = { ARM::VST3q8a, ARM::VST3q16a, ARM::VST3q32a };
+ unsigned QOpcodes1[] = { ARM::VST3q8b, ARM::VST3q16b, ARM::VST3q32b };
+ return SelectVST(N, 3, DOpcodes, QOpcodes0, QOpcodes1);
}
- const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc,
- N->getOperand(2), N->getOperand(3),
- N->getOperand(4) };
- return CurDAG->getTargetNode(Opc, dl, EVT::Other, Ops, 6);
- }
- case ARMISD::VST4D: {
- SDValue MemAddr, MemUpdate, MemOpc;
- if (!SelectAddrMode6(Op, N->getOperand(1), MemAddr, MemUpdate, MemOpc))
- return NULL;
- unsigned Opc = 0;
- switch (N->getOperand(2).getValueType().getSimpleVT()) {
- default: llvm_unreachable("unhandled VST4D type");
- case EVT::v8i8: Opc = ARM::VST4d8; break;
- case EVT::v4i16: Opc = ARM::VST4d16; break;
- case EVT::v2f32:
- case EVT::v2i32: Opc = ARM::VST4d32; break;
+ case Intrinsic::arm_neon_vst4: {
+ unsigned DOpcodes[] = { ARM::VST4d8, ARM::VST4d16,
+ ARM::VST4d32, ARM::VST4d64 };
+ unsigned QOpcodes0[] = { ARM::VST4q8a, ARM::VST4q16a, ARM::VST4q32a };
+ unsigned QOpcodes1[] = { ARM::VST4q8b, ARM::VST4q16b, ARM::VST4q32b };
+ return SelectVST(N, 4, DOpcodes, QOpcodes0, QOpcodes1);
}
- const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc,
- N->getOperand(2), N->getOperand(3),
- N->getOperand(4), N->getOperand(5) };
- return CurDAG->getTargetNode(Opc, dl, EVT::Other, Ops, 7);
- }
- case ISD::INTRINSIC_WO_CHAIN: {
- unsigned IntNo = cast<ConstantSDNode>(N->getOperand(0))->getZExtValue();
- EVT VT = N->getValueType(0);
- unsigned Opc = 0;
+ case Intrinsic::arm_neon_vst2lane: {
+ unsigned DOpcodes[] = { ARM::VST2LNd8, ARM::VST2LNd16, ARM::VST2LNd32 };
+ unsigned QOpcodes0[] = { ARM::VST2LNq16a, ARM::VST2LNq32a };
+ unsigned QOpcodes1[] = { ARM::VST2LNq16b, ARM::VST2LNq32b };
+ return SelectVLDSTLane(N, false, 2, DOpcodes, QOpcodes0, QOpcodes1);
+ }
- // Match intrinsics that return multiple values.
- switch (IntNo) {
- default: break;
-
- case Intrinsic::arm_neon_vtrni:
- case Intrinsic::arm_neon_vtrnf:
- switch (VT.getSimpleVT()) {
- default: return NULL;
- case EVT::v8i8: Opc = ARM::VTRNd8; break;
- case EVT::v4i16: Opc = ARM::VTRNd16; break;
- case EVT::v2f32:
- case EVT::v2i32: Opc = ARM::VTRNd32; break;
- case EVT::v16i8: Opc = ARM::VTRNq8; break;
- case EVT::v8i16: Opc = ARM::VTRNq16; break;
- case EVT::v4f32:
- case EVT::v4i32: Opc = ARM::VTRNq32; break;
- }
- return CurDAG->getTargetNode(Opc, dl, VT, VT, N->getOperand(1),
- N->getOperand(2));
-
- case Intrinsic::arm_neon_vuzpi:
- case Intrinsic::arm_neon_vuzpf:
- switch (VT.getSimpleVT()) {
- default: return NULL;
- case EVT::v8i8: Opc = ARM::VUZPd8; break;
- case EVT::v4i16: Opc = ARM::VUZPd16; break;
- case EVT::v2f32:
- case EVT::v2i32: Opc = ARM::VUZPd32; break;
- case EVT::v16i8: Opc = ARM::VUZPq8; break;
- case EVT::v8i16: Opc = ARM::VUZPq16; break;
- case EVT::v4f32:
- case EVT::v4i32: Opc = ARM::VUZPq32; break;
- }
- return CurDAG->getTargetNode(Opc, dl, VT, VT, N->getOperand(1),
- N->getOperand(2));
-
- case Intrinsic::arm_neon_vzipi:
- case Intrinsic::arm_neon_vzipf:
- switch (VT.getSimpleVT()) {
- default: return NULL;
- case EVT::v8i8: Opc = ARM::VZIPd8; break;
- case EVT::v4i16: Opc = ARM::VZIPd16; break;
- case EVT::v2f32:
- case EVT::v2i32: Opc = ARM::VZIPd32; break;
- case EVT::v16i8: Opc = ARM::VZIPq8; break;
- case EVT::v8i16: Opc = ARM::VZIPq16; break;
- case EVT::v4f32:
- case EVT::v4i32: Opc = ARM::VZIPq32; break;
- }
- return CurDAG->getTargetNode(Opc, dl, VT, VT, N->getOperand(1),
- N->getOperand(2));
+ case Intrinsic::arm_neon_vst3lane: {
+ unsigned DOpcodes[] = { ARM::VST3LNd8, ARM::VST3LNd16, ARM::VST3LNd32 };
+ unsigned QOpcodes0[] = { ARM::VST3LNq16a, ARM::VST3LNq32a };
+ unsigned QOpcodes1[] = { ARM::VST3LNq16b, ARM::VST3LNq32b };
+ return SelectVLDSTLane(N, false, 3, DOpcodes, QOpcodes0, QOpcodes1);
+ }
+
+ case Intrinsic::arm_neon_vst4lane: {
+ unsigned DOpcodes[] = { ARM::VST4LNd8, ARM::VST4LNd16, ARM::VST4LNd32 };
+ unsigned QOpcodes0[] = { ARM::VST4LNq16a, ARM::VST4LNq32a };
+ unsigned QOpcodes1[] = { ARM::VST4LNq16b, ARM::VST4LNq32b };
+ return SelectVLDSTLane(N, false, 4, DOpcodes, QOpcodes0, QOpcodes1);
+ }
}
- break;
}
}
- return SelectCode(Op);
+ return SelectCode(N);
}
bool ARMDAGToDAGISel::
SelectInlineAsmMemoryOperand(const SDValue &Op, char ConstraintCode,
std::vector<SDValue> &OutOps) {
assert(ConstraintCode == 'm' && "unexpected asm memory constraint");
-
- SDValue Base, Offset, Opc;
- if (!SelectAddrMode2(Op, Op, Base, Offset, Opc))
- return true;
-
- OutOps.push_back(Base);
- OutOps.push_back(Offset);
- OutOps.push_back(Opc);
+ // Require the address to be in a register. That is safe for all ARM
+ // variants and it is hard to do anything much smarter without knowing
+ // how the operand is used.
+ OutOps.push_back(Op);
return false;
}
/// createARMISelDag - This pass converts a legalized DAG into a
/// ARM-specific DAG, ready for instruction scheduling.
///
-FunctionPass *llvm::createARMISelDag(ARMBaseTargetMachine &TM) {
- return new ARMDAGToDAGISel(TM);
+FunctionPass *llvm::createARMISelDag(ARMBaseTargetMachine &TM,
+ CodeGenOpt::Level OptLevel) {
+ return new ARMDAGToDAGISel(TM, OptLevel);
}
projects / oota-llvm.git / blobdiff