#include "PPCHazardRecognizers.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Constants.h"
+#include "llvm/Function.h"
#include "llvm/GlobalValue.h"
#include "llvm/Intrinsics.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/Compiler.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
using namespace llvm;
namespace {
/// PPCDAGToDAGISel - PPC specific code to select PPC machine
/// instructions for SelectionDAG operations.
///
- class VISIBILITY_HIDDEN PPCDAGToDAGISel : public SelectionDAGISel {
+ class PPCDAGToDAGISel : public SelectionDAGISel {
PPCTargetMachine &TM;
PPCTargetLowering &PPCLowering;
const PPCSubtarget &PPCSubTarget;
PPCLowering(*TM.getTargetLowering()),
PPCSubTarget(*TM.getSubtargetImpl()) {}
- virtual bool runOnFunction(Function &Fn) {
+ virtual bool runOnMachineFunction(MachineFunction &MF) {
// Make sure we re-emit a set of the global base reg if necessary
GlobalBaseReg = 0;
- SelectionDAGISel::runOnFunction(Fn);
+ SelectionDAGISel::runOnMachineFunction(MF);
- InsertVRSaveCode(Fn);
+ InsertVRSaveCode(MF);
return true;
}
/// isRotateAndMask - Returns true if Mask and Shift can be folded into a
/// rotate and mask opcode and mask operation.
- static bool isRotateAndMask(SDNode *N, unsigned Mask, bool IsShiftMask,
+ static bool isRotateAndMask(SDNode *N, unsigned Mask, bool isShiftMask,
unsigned &SH, unsigned &MB, unsigned &ME);
/// getGlobalBaseReg - insert code into the entry mbb to materialize the PIC
// Select - Convert the specified operand from a target-independent to a
// target-specific node if it hasn't already been changed.
- SDNode *Select(SDValue Op);
+ SDNode *Select(SDNode *N);
SDNode *SelectBitfieldInsert(SDNode *N);
/// SelectAddrImm - Returns true if the address N can be represented by
/// a base register plus a signed 16-bit displacement [r+imm].
- bool SelectAddrImm(SDValue Op, SDValue N, SDValue &Disp,
+ bool SelectAddrImm(SDNode *Op, SDValue N, SDValue &Disp,
SDValue &Base) {
return PPCLowering.SelectAddressRegImm(N, Disp, Base, *CurDAG);
}
/// SelectAddrImmOffs - Return true if the operand is valid for a preinc
/// immediate field. Because preinc imms have already been validated, just
/// accept it.
- bool SelectAddrImmOffs(SDValue Op, SDValue N, SDValue &Out) const {
+ bool SelectAddrImmOffs(SDNode *Op, SDValue N, SDValue &Out) const {
Out = N;
return true;
}
/// SelectAddrIdx - Given the specified addressed, check to see if it can be
/// represented as an indexed [r+r] operation. Returns false if it can
/// be represented by [r+imm], which are preferred.
- bool SelectAddrIdx(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectAddrIdx(SDNode *Op, SDValue N, SDValue &Base,
SDValue &Index) {
return PPCLowering.SelectAddressRegReg(N, Base, Index, *CurDAG);
}
/// SelectAddrIdxOnly - Given the specified addressed, force it to be
/// represented as an indexed [r+r] operation.
- bool SelectAddrIdxOnly(SDValue Op, SDValue N, SDValue &Base,
+ bool SelectAddrIdxOnly(SDNode *Op, SDValue N, SDValue &Base,
SDValue &Index) {
return PPCLowering.SelectAddressRegRegOnly(N, Base, Index, *CurDAG);
}
/// SelectAddrImmShift - Returns true if the address N can be represented by
/// a base register plus a signed 14-bit displacement [r+imm*4]. Suitable
/// for use by STD and friends.
- bool SelectAddrImmShift(SDValue Op, SDValue N, SDValue &Disp,
+ bool SelectAddrImmShift(SDNode *Op, SDValue N, SDValue &Disp,
SDValue &Base) {
return PPCLowering.SelectAddressRegImmShift(N, Disp, Base, *CurDAG);
}
/// SelectInlineAsmMemoryOperand - Implement addressing mode selection for
- /// inline asm expressions.
- virtual bool SelectInlineAsmMemoryOperand(const SDValue &Op,
+ /// inline asm expressions. It is always correct to compute the value into
+ /// a register. The case of adding a (possibly relocatable) constant to a
+ /// register can be improved, but it is wrong to substitute Reg+Reg for
+ /// Reg in an asm, because the load or store opcode would have to change.
+ virtual bool SelectInlineAsmMemoryOperand(const SDValue &Op,
char ConstraintCode,
std::vector<SDValue> &OutOps) {
- SDValue Op0, Op1;
- switch (ConstraintCode) {
- default: return true;
- case 'm': // memory
- if (!SelectAddrIdx(Op, Op, Op0, Op1))
- SelectAddrImm(Op, Op, Op0, Op1);
- break;
- case 'o': // offsetable
- if (!SelectAddrImm(Op, Op, Op0, Op1)) {
- Op0 = Op;
- Op1 = getSmallIPtrImm(0);
- }
- break;
- case 'v': // not offsetable
- SelectAddrIdxOnly(Op, Op, Op0, Op1);
- break;
- }
-
- OutOps.push_back(Op0);
- OutOps.push_back(Op1);
+ OutOps.push_back(Op);
return false;
}
SDValue BuildSDIVSequence(SDNode *N);
SDValue BuildUDIVSequence(SDNode *N);
- /// InstructionSelect - This callback is invoked by
- /// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
- virtual void InstructionSelect();
-
- void InsertVRSaveCode(Function &Fn);
+ void InsertVRSaveCode(MachineFunction &MF);
virtual const char *getPassName() const {
return "PowerPC DAG->DAG Pattern Instruction Selection";
#include "PPCGenDAGISel.inc"
private:
- SDNode *SelectSETCC(SDValue Op);
+ SDNode *SelectSETCC(SDNode *N);
};
}
-/// InstructionSelect - This callback is invoked by
-/// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
-void PPCDAGToDAGISel::InstructionSelect() {
- DEBUG(BB->dump());
-
- // Select target instructions for the DAG.
- SelectRoot(*CurDAG);
- CurDAG->RemoveDeadNodes();
-}
-
/// InsertVRSaveCode - Once the entire function has been instruction selected,
/// all virtual registers are created and all machine instructions are built,
/// check to see if we need to save/restore VRSAVE. If so, do it.
-void PPCDAGToDAGISel::InsertVRSaveCode(Function &F) {
+void PPCDAGToDAGISel::InsertVRSaveCode(MachineFunction &Fn) {
// Check to see if this function uses vector registers, which means we have to
// save and restore the VRSAVE register and update it with the regs we use.
//
- // In this case, there will be virtual registers of vector type type created
+ // In this case, there will be virtual registers of vector type created
// by the scheduler. Detect them now.
- MachineFunction &Fn = MachineFunction::get(&F);
bool HasVectorVReg = false;
for (unsigned i = TargetRegisterInfo::FirstVirtualRegister,
e = RegInfo->getLastVirtReg()+1; i != e; ++i)
const TargetInstrInfo &TII = *TM.getInstrInfo();
MachineBasicBlock &EntryBB = *Fn.begin();
+ DebugLoc dl = DebugLoc::getUnknownLoc();
// Emit the following code into the entry block:
// InVRSAVE = MFVRSAVE
// UpdatedVRSAVE = UPDATE_VRSAVE InVRSAVE
// MTVRSAVE UpdatedVRSAVE
MachineBasicBlock::iterator IP = EntryBB.begin(); // Insert Point
- BuildMI(EntryBB, IP, TII.get(PPC::MFVRSAVE), InVRSAVE);
- BuildMI(EntryBB, IP, TII.get(PPC::UPDATE_VRSAVE),
+ BuildMI(EntryBB, IP, dl, TII.get(PPC::MFVRSAVE), InVRSAVE);
+ BuildMI(EntryBB, IP, dl, TII.get(PPC::UPDATE_VRSAVE),
UpdatedVRSAVE).addReg(InVRSAVE);
- BuildMI(EntryBB, IP, TII.get(PPC::MTVRSAVE)).addReg(UpdatedVRSAVE);
+ BuildMI(EntryBB, IP, dl, TII.get(PPC::MTVRSAVE)).addReg(UpdatedVRSAVE);
// Find all return blocks, outputting a restore in each epilog.
for (MachineFunction::iterator BB = Fn.begin(), E = Fn.end(); BB != E; ++BB) {
IP = I2;
// Emit: MTVRSAVE InVRSave
- BuildMI(*BB, IP, TII.get(PPC::MTVRSAVE)).addReg(InVRSAVE);
+ BuildMI(*BB, IP, dl, TII.get(PPC::MTVRSAVE)).addReg(InVRSAVE);
}
}
}
if (!GlobalBaseReg) {
const TargetInstrInfo &TII = *TM.getInstrInfo();
// Insert the set of GlobalBaseReg into the first MBB of the function
- MachineBasicBlock &FirstMBB = BB->getParent()->front();
+ MachineBasicBlock &FirstMBB = MF->front();
MachineBasicBlock::iterator MBBI = FirstMBB.begin();
+ DebugLoc dl = DebugLoc::getUnknownLoc();
if (PPCLowering.getPointerTy() == MVT::i32) {
GlobalBaseReg = RegInfo->createVirtualRegister(PPC::GPRCRegisterClass);
- BuildMI(FirstMBB, MBBI, TII.get(PPC::MovePCtoLR), PPC::LR);
- BuildMI(FirstMBB, MBBI, TII.get(PPC::MFLR), GlobalBaseReg);
+ BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR), PPC::LR);
+ BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR), GlobalBaseReg);
} else {
GlobalBaseReg = RegInfo->createVirtualRegister(PPC::G8RCRegisterClass);
- BuildMI(FirstMBB, MBBI, TII.get(PPC::MovePCtoLR8), PPC::LR8);
- BuildMI(FirstMBB, MBBI, TII.get(PPC::MFLR8), GlobalBaseReg);
+ BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR8), PPC::LR8);
+ BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR8), GlobalBaseReg);
}
}
return CurDAG->getRegister(GlobalBaseReg,
}
bool PPCDAGToDAGISel::isRotateAndMask(SDNode *N, unsigned Mask,
- bool IsShiftMask, unsigned &SH,
+ bool isShiftMask, unsigned &SH,
unsigned &MB, unsigned &ME) {
// Don't even go down this path for i64, since different logic will be
// necessary for rldicl/rldicr/rldimi.
if (Opcode == ISD::SHL) {
// apply shift left to mask if it comes first
- if (IsShiftMask) Mask = Mask << Shift;
+ if (isShiftMask) Mask = Mask << Shift;
// determine which bits are made indeterminant by shift
Indeterminant = ~(0xFFFFFFFFu << Shift);
} else if (Opcode == ISD::SRL) {
// apply shift right to mask if it comes first
- if (IsShiftMask) Mask = Mask >> Shift;
+ if (isShiftMask) Mask = Mask >> Shift;
// determine which bits are made indeterminant by shift
Indeterminant = ~(0xFFFFFFFFu >> Shift);
// adjust for the left rotate
unsigned MB, ME;
if (InsertMask && isRunOfOnes(InsertMask, MB, ME)) {
- SDValue Tmp1, Tmp2, Tmp3;
- bool DisjointMask = (TargetMask ^ InsertMask) == 0xFFFFFFFF;
+ SDValue Tmp1, Tmp2;
if ((Op1Opc == ISD::SHL || Op1Opc == ISD::SRL) &&
isInt32Immediate(Op1.getOperand(1), Value)) {
Op1 = Op1.getOperand(0);
}
}
-
- Tmp3 = (Op0Opc == ISD::AND && DisjointMask) ? Op0.getOperand(0) : Op0;
+
SH &= 31;
- SDValue Ops[] = { Tmp3, Op1, getI32Imm(SH), getI32Imm(MB),
+ SDValue Ops[] = { Op0, Op1, getI32Imm(SH), getI32Imm(MB),
getI32Imm(ME) };
- return CurDAG->getTargetNode(PPC::RLWIMI, dl, MVT::i32, Ops, 5);
+ return CurDAG->getMachineNode(PPC::RLWIMI, dl, MVT::i32, Ops, 5);
}
}
return 0;
if (CC == ISD::SETEQ || CC == ISD::SETNE) {
if (isInt32Immediate(RHS, Imm)) {
// SETEQ/SETNE comparison with 16-bit immediate, fold it.
- if (isUInt16(Imm))
- return SDValue(CurDAG->getTargetNode(PPC::CMPLWI, dl, MVT::i32, LHS,
- getI32Imm(Imm & 0xFFFF)), 0);
+ if (isUInt<16>(Imm))
+ return SDValue(CurDAG->getMachineNode(PPC::CMPLWI, dl, MVT::i32, LHS,
+ getI32Imm(Imm & 0xFFFF)), 0);
// If this is a 16-bit signed immediate, fold it.
- if (isInt16((int)Imm))
- return SDValue(CurDAG->getTargetNode(PPC::CMPWI, dl, MVT::i32, LHS,
- getI32Imm(Imm & 0xFFFF)), 0);
+ if (isInt<16>((int)Imm))
+ return SDValue(CurDAG->getMachineNode(PPC::CMPWI, dl, MVT::i32, LHS,
+ getI32Imm(Imm & 0xFFFF)), 0);
// For non-equality comparisons, the default code would materialize the
// constant, then compare against it, like this:
// xoris r0,r3,0x1234
// cmplwi cr0,r0,0x5678
// beq cr0,L6
- SDValue Xor(CurDAG->getTargetNode(PPC::XORIS, dl, MVT::i32, LHS,
- getI32Imm(Imm >> 16)), 0);
- return SDValue(CurDAG->getTargetNode(PPC::CMPLWI, dl, MVT::i32, Xor,
- getI32Imm(Imm & 0xFFFF)), 0);
+ SDValue Xor(CurDAG->getMachineNode(PPC::XORIS, dl, MVT::i32, LHS,
+ getI32Imm(Imm >> 16)), 0);
+ return SDValue(CurDAG->getMachineNode(PPC::CMPLWI, dl, MVT::i32, Xor,
+ getI32Imm(Imm & 0xFFFF)), 0);
}
Opc = PPC::CMPLW;
} else if (ISD::isUnsignedIntSetCC(CC)) {
- if (isInt32Immediate(RHS, Imm) && isUInt16(Imm))
- return SDValue(CurDAG->getTargetNode(PPC::CMPLWI, dl, MVT::i32, LHS,
- getI32Imm(Imm & 0xFFFF)), 0);
+ if (isInt32Immediate(RHS, Imm) && isUInt<16>(Imm))
+ return SDValue(CurDAG->getMachineNode(PPC::CMPLWI, dl, MVT::i32, LHS,
+ getI32Imm(Imm & 0xFFFF)), 0);
Opc = PPC::CMPLW;
} else {
short SImm;
if (isIntS16Immediate(RHS, SImm))
- return SDValue(CurDAG->getTargetNode(PPC::CMPWI, dl, MVT::i32, LHS,
- getI32Imm((int)SImm & 0xFFFF)),
+ return SDValue(CurDAG->getMachineNode(PPC::CMPWI, dl, MVT::i32, LHS,
+ getI32Imm((int)SImm & 0xFFFF)),
0);
Opc = PPC::CMPW;
}
if (CC == ISD::SETEQ || CC == ISD::SETNE) {
if (isInt64Immediate(RHS.getNode(), Imm)) {
// SETEQ/SETNE comparison with 16-bit immediate, fold it.
- if (isUInt16(Imm))
- return SDValue(CurDAG->getTargetNode(PPC::CMPLDI, dl, MVT::i64, LHS,
- getI32Imm(Imm & 0xFFFF)), 0);
+ if (isUInt<16>(Imm))
+ return SDValue(CurDAG->getMachineNode(PPC::CMPLDI, dl, MVT::i64, LHS,
+ getI32Imm(Imm & 0xFFFF)), 0);
// If this is a 16-bit signed immediate, fold it.
- if (isInt16(Imm))
- return SDValue(CurDAG->getTargetNode(PPC::CMPDI, dl, MVT::i64, LHS,
- getI32Imm(Imm & 0xFFFF)), 0);
+ if (isInt<16>(Imm))
+ return SDValue(CurDAG->getMachineNode(PPC::CMPDI, dl, MVT::i64, LHS,
+ getI32Imm(Imm & 0xFFFF)), 0);
// For non-equality comparisons, the default code would materialize the
// constant, then compare against it, like this:
// xoris r0,r3,0x1234
// cmpldi cr0,r0,0x5678
// beq cr0,L6
- if (isUInt32(Imm)) {
- SDValue Xor(CurDAG->getTargetNode(PPC::XORIS8, dl, MVT::i64, LHS,
- getI64Imm(Imm >> 16)), 0);
- return SDValue(CurDAG->getTargetNode(PPC::CMPLDI, dl, MVT::i64, Xor,
- getI64Imm(Imm & 0xFFFF)), 0);
+ if (isUInt<32>(Imm)) {
+ SDValue Xor(CurDAG->getMachineNode(PPC::XORIS8, dl, MVT::i64, LHS,
+ getI64Imm(Imm >> 16)), 0);
+ return SDValue(CurDAG->getMachineNode(PPC::CMPLDI, dl, MVT::i64, Xor,
+ getI64Imm(Imm & 0xFFFF)), 0);
}
}
Opc = PPC::CMPLD;
} else if (ISD::isUnsignedIntSetCC(CC)) {
- if (isInt64Immediate(RHS.getNode(), Imm) && isUInt16(Imm))
- return SDValue(CurDAG->getTargetNode(PPC::CMPLDI, dl, MVT::i64, LHS,
- getI64Imm(Imm & 0xFFFF)), 0);
+ if (isInt64Immediate(RHS.getNode(), Imm) && isUInt<16>(Imm))
+ return SDValue(CurDAG->getMachineNode(PPC::CMPLDI, dl, MVT::i64, LHS,
+ getI64Imm(Imm & 0xFFFF)), 0);
Opc = PPC::CMPLD;
} else {
short SImm;
if (isIntS16Immediate(RHS, SImm))
- return SDValue(CurDAG->getTargetNode(PPC::CMPDI, dl, MVT::i64, LHS,
- getI64Imm(SImm & 0xFFFF)),
+ return SDValue(CurDAG->getMachineNode(PPC::CMPDI, dl, MVT::i64, LHS,
+ getI64Imm(SImm & 0xFFFF)),
0);
Opc = PPC::CMPD;
}
assert(LHS.getValueType() == MVT::f64 && "Unknown vt!");
Opc = PPC::FCMPUD;
}
- return SDValue(CurDAG->getTargetNode(Opc, dl, MVT::i32, LHS, RHS), 0);
+ return SDValue(CurDAG->getMachineNode(Opc, dl, MVT::i32, LHS, RHS), 0);
}
static PPC::Predicate getPredicateForSetCC(ISD::CondCode CC) {
case ISD::SETONE:
case ISD::SETOLE:
case ISD::SETOGE:
- assert(0 && "Should be lowered by legalize!");
- default: assert(0 && "Unknown condition!"); abort();
+ llvm_unreachable("Should be lowered by legalize!");
+ default: llvm_unreachable("Unknown condition!");
case ISD::SETOEQ:
case ISD::SETEQ: return PPC::PRED_EQ;
case ISD::SETUNE:
Invert = false;
Other = -1;
switch (CC) {
- default: assert(0 && "Unknown condition!"); abort();
+ default: llvm_unreachable("Unknown condition!");
case ISD::SETOLT:
case ISD::SETLT: return 0; // Bit #0 = SETOLT
case ISD::SETOGT:
case ISD::SETOGE:
case ISD::SETOLE:
case ISD::SETONE:
- assert(0 && "Invalid branch code: should be expanded by legalize");
+ llvm_unreachable("Invalid branch code: should be expanded by legalize");
// These are invalid for floating point. Assume integer.
case ISD::SETULT: return 0;
case ISD::SETUGT: return 1;
return 0;
}
-SDNode *PPCDAGToDAGISel::SelectSETCC(SDValue Op) {
- SDNode *N = Op.getNode();
+SDNode *PPCDAGToDAGISel::SelectSETCC(SDNode *N) {
DebugLoc dl = N->getDebugLoc();
unsigned Imm;
ISD::CondCode CC = cast<CondCodeSDNode>(N->getOperand(2))->get();
switch (CC) {
default: break;
case ISD::SETEQ: {
- Op = SDValue(CurDAG->getTargetNode(PPC::CNTLZW, dl, MVT::i32, Op), 0);
+ Op = SDValue(CurDAG->getMachineNode(PPC::CNTLZW, dl, MVT::i32, Op), 0);
SDValue Ops[] = { Op, getI32Imm(27), getI32Imm(5), getI32Imm(31) };
return CurDAG->SelectNodeTo(N, PPC::RLWINM, MVT::i32, Ops, 4);
}
case ISD::SETNE: {
SDValue AD =
- SDValue(CurDAG->getTargetNode(PPC::ADDIC, dl, MVT::i32, MVT::Flag,
- Op, getI32Imm(~0U)), 0);
+ SDValue(CurDAG->getMachineNode(PPC::ADDIC, dl, MVT::i32, MVT::Flag,
+ Op, getI32Imm(~0U)), 0);
return CurDAG->SelectNodeTo(N, PPC::SUBFE, MVT::i32, AD, Op,
AD.getValue(1));
}
}
case ISD::SETGT: {
SDValue T =
- SDValue(CurDAG->getTargetNode(PPC::NEG, dl, MVT::i32, Op), 0);
- T = SDValue(CurDAG->getTargetNode(PPC::ANDC, dl, MVT::i32, T, Op), 0);
+ SDValue(CurDAG->getMachineNode(PPC::NEG, dl, MVT::i32, Op), 0);
+ T = SDValue(CurDAG->getMachineNode(PPC::ANDC, dl, MVT::i32, T, Op), 0);
SDValue Ops[] = { T, getI32Imm(1), getI32Imm(31), getI32Imm(31) };
return CurDAG->SelectNodeTo(N, PPC::RLWINM, MVT::i32, Ops, 4);
}
switch (CC) {
default: break;
case ISD::SETEQ:
- Op = SDValue(CurDAG->getTargetNode(PPC::ADDIC, dl, MVT::i32, MVT::Flag,
- Op, getI32Imm(1)), 0);
+ Op = SDValue(CurDAG->getMachineNode(PPC::ADDIC, dl, MVT::i32, MVT::Flag,
+ Op, getI32Imm(1)), 0);
return CurDAG->SelectNodeTo(N, PPC::ADDZE, MVT::i32,
- SDValue(CurDAG->getTargetNode(PPC::LI, dl,
- MVT::i32,
- getI32Imm(0)), 0),
+ SDValue(CurDAG->getMachineNode(PPC::LI, dl,
+ MVT::i32,
+ getI32Imm(0)), 0),
Op.getValue(1));
case ISD::SETNE: {
- Op = SDValue(CurDAG->getTargetNode(PPC::NOR, dl, MVT::i32, Op, Op), 0);
- SDNode *AD = CurDAG->getTargetNode(PPC::ADDIC, dl, MVT::i32, MVT::Flag,
- Op, getI32Imm(~0U));
+ Op = SDValue(CurDAG->getMachineNode(PPC::NOR, dl, MVT::i32, Op, Op), 0);
+ SDNode *AD = CurDAG->getMachineNode(PPC::ADDIC, dl, MVT::i32, MVT::Flag,
+ Op, getI32Imm(~0U));
return CurDAG->SelectNodeTo(N, PPC::SUBFE, MVT::i32, SDValue(AD, 0),
Op, SDValue(AD, 1));
}
case ISD::SETLT: {
- SDValue AD = SDValue(CurDAG->getTargetNode(PPC::ADDI, dl, MVT::i32, Op,
- getI32Imm(1)), 0);
- SDValue AN = SDValue(CurDAG->getTargetNode(PPC::AND, dl, MVT::i32, AD,
- Op), 0);
+ SDValue AD = SDValue(CurDAG->getMachineNode(PPC::ADDI, dl, MVT::i32, Op,
+ getI32Imm(1)), 0);
+ SDValue AN = SDValue(CurDAG->getMachineNode(PPC::AND, dl, MVT::i32, AD,
+ Op), 0);
SDValue Ops[] = { AN, getI32Imm(1), getI32Imm(31), getI32Imm(31) };
return CurDAG->SelectNodeTo(N, PPC::RLWINM, MVT::i32, Ops, 4);
}
case ISD::SETGT: {
SDValue Ops[] = { Op, getI32Imm(1), getI32Imm(31), getI32Imm(31) };
- Op = SDValue(CurDAG->getTargetNode(PPC::RLWINM, dl, MVT::i32, Ops, 4),
+ Op = SDValue(CurDAG->getMachineNode(PPC::RLWINM, dl, MVT::i32, Ops, 4),
0);
return CurDAG->SelectNodeTo(N, PPC::XORI, MVT::i32, Op,
getI32Imm(1));
InFlag).getValue(1);
if (PPCSubTarget.isGigaProcessor() && OtherCondIdx == -1)
- IntCR = SDValue(CurDAG->getTargetNode(PPC::MFOCRF, dl, MVT::i32, CR7Reg,
- CCReg), 0);
+ IntCR = SDValue(CurDAG->getMachineNode(PPC::MFOCRF, dl, MVT::i32, CR7Reg,
+ CCReg), 0);
else
- IntCR = SDValue(CurDAG->getTargetNode(PPC::MFCR, dl, MVT::i32, CCReg), 0);
+ IntCR = SDValue(CurDAG->getMachineNode(PPC::MFCR, dl, MVT::i32, CCReg), 0);
SDValue Ops[] = { IntCR, getI32Imm((32-(3-Idx)) & 31),
getI32Imm(31), getI32Imm(31) };
// Get the specified bit.
SDValue Tmp =
- SDValue(CurDAG->getTargetNode(PPC::RLWINM, dl, MVT::i32, Ops, 4), 0);
+ SDValue(CurDAG->getMachineNode(PPC::RLWINM, dl, MVT::i32, Ops, 4), 0);
if (Inv) {
assert(OtherCondIdx == -1 && "Can't have split plus negation");
return CurDAG->SelectNodeTo(N, PPC::XORI, MVT::i32, Tmp, getI32Imm(1));
// Get the other bit of the comparison.
Ops[1] = getI32Imm((32-(3-OtherCondIdx)) & 31);
SDValue OtherCond =
- SDValue(CurDAG->getTargetNode(PPC::RLWINM, dl, MVT::i32, Ops, 4), 0);
+ SDValue(CurDAG->getMachineNode(PPC::RLWINM, dl, MVT::i32, Ops, 4), 0);
return CurDAG->SelectNodeTo(N, PPC::OR, MVT::i32, Tmp, OtherCond);
}
// Select - Convert the specified operand from a target-independent to a
// target-specific node if it hasn't already been changed.
-SDNode *PPCDAGToDAGISel::Select(SDValue Op) {
- SDNode *N = Op.getNode();
- DebugLoc dl = Op.getDebugLoc();
+SDNode *PPCDAGToDAGISel::Select(SDNode *N) {
+ DebugLoc dl = N->getDebugLoc();
if (N->isMachineOpcode())
return NULL; // Already selected.
unsigned Shift = 0;
// If it can't be represented as a 32 bit value.
- if (!isInt32(Imm)) {
+ if (!isInt<32>(Imm)) {
Shift = CountTrailingZeros_64(Imm);
int64_t ImmSh = static_cast<uint64_t>(Imm) >> Shift;
// If the shifted value fits 32 bits.
- if (isInt32(ImmSh)) {
+ if (isInt<32>(ImmSh)) {
// Go with the shifted value.
Imm = ImmSh;
} else {
unsigned Hi = (Imm >> 16) & 0xFFFF;
// Simple value.
- if (isInt16(Imm)) {
+ if (isInt<16>(Imm)) {
// Just the Lo bits.
- Result = CurDAG->getTargetNode(PPC::LI8, dl, MVT::i64, getI32Imm(Lo));
+ Result = CurDAG->getMachineNode(PPC::LI8, dl, MVT::i64, getI32Imm(Lo));
} else if (Lo) {
// Handle the Hi bits.
unsigned OpC = Hi ? PPC::LIS8 : PPC::LI8;
- Result = CurDAG->getTargetNode(OpC, dl, MVT::i64, getI32Imm(Hi));
+ Result = CurDAG->getMachineNode(OpC, dl, MVT::i64, getI32Imm(Hi));
// And Lo bits.
- Result = CurDAG->getTargetNode(PPC::ORI8, dl, MVT::i64,
- SDValue(Result, 0), getI32Imm(Lo));
+ Result = CurDAG->getMachineNode(PPC::ORI8, dl, MVT::i64,
+ SDValue(Result, 0), getI32Imm(Lo));
} else {
// Just the Hi bits.
- Result = CurDAG->getTargetNode(PPC::LIS8, dl, MVT::i64, getI32Imm(Hi));
+ Result = CurDAG->getMachineNode(PPC::LIS8, dl, MVT::i64, getI32Imm(Hi));
}
// If no shift, we're done.
// Shift for next step if the upper 32-bits were not zero.
if (Imm) {
- Result = CurDAG->getTargetNode(PPC::RLDICR, dl, MVT::i64,
- SDValue(Result, 0),
- getI32Imm(Shift), getI32Imm(63 - Shift));
+ Result = CurDAG->getMachineNode(PPC::RLDICR, dl, MVT::i64,
+ SDValue(Result, 0),
+ getI32Imm(Shift),
+ getI32Imm(63 - Shift));
}
// Add in the last bits as required.
if ((Hi = (Remainder >> 16) & 0xFFFF)) {
- Result = CurDAG->getTargetNode(PPC::ORIS8, dl, MVT::i64,
- SDValue(Result, 0), getI32Imm(Hi));
+ Result = CurDAG->getMachineNode(PPC::ORIS8, dl, MVT::i64,
+ SDValue(Result, 0), getI32Imm(Hi));
}
if ((Lo = Remainder & 0xFFFF)) {
- Result = CurDAG->getTargetNode(PPC::ORI8, dl, MVT::i64,
- SDValue(Result, 0), getI32Imm(Lo));
+ Result = CurDAG->getMachineNode(PPC::ORI8, dl, MVT::i64,
+ SDValue(Result, 0), getI32Imm(Lo));
}
return Result;
}
case ISD::SETCC:
- return SelectSETCC(Op);
+ return SelectSETCC(N);
case PPCISD::GlobalBaseReg:
return getGlobalBaseReg();
case ISD::FrameIndex: {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
- SDValue TFI = CurDAG->getTargetFrameIndex(FI, Op.getValueType());
- unsigned Opc = Op.getValueType() == MVT::i32 ? PPC::ADDI : PPC::ADDI8;
+ SDValue TFI = CurDAG->getTargetFrameIndex(FI, N->getValueType(0));
+ unsigned Opc = N->getValueType(0) == MVT::i32 ? PPC::ADDI : PPC::ADDI8;
if (N->hasOneUse())
- return CurDAG->SelectNodeTo(N, Opc, Op.getValueType(), TFI,
+ return CurDAG->SelectNodeTo(N, Opc, N->getValueType(0), TFI,
+ getSmallIPtrImm(0));
+ return CurDAG->getMachineNode(Opc, dl, N->getValueType(0), TFI,
getSmallIPtrImm(0));
- return CurDAG->getTargetNode(Opc, dl, Op.getValueType(), TFI,
- getSmallIPtrImm(0));
}
case PPCISD::MFCR: {
SDValue InFlag = N->getOperand(1);
// Use MFOCRF if supported.
if (PPCSubTarget.isGigaProcessor())
- return CurDAG->getTargetNode(PPC::MFOCRF, dl, MVT::i32,
- N->getOperand(0), InFlag);
+ return CurDAG->getMachineNode(PPC::MFOCRF, dl, MVT::i32,
+ N->getOperand(0), InFlag);
else
- return CurDAG->getTargetNode(PPC::MFCR, dl, MVT::i32, InFlag);
+ return CurDAG->getMachineNode(PPC::MFCR, dl, MVT::i32, InFlag);
}
case ISD::SDIV: {
SDValue N0 = N->getOperand(0);
if ((signed)Imm > 0 && isPowerOf2_32(Imm)) {
SDNode *Op =
- CurDAG->getTargetNode(PPC::SRAWI, dl, MVT::i32, MVT::Flag,
- N0, getI32Imm(Log2_32(Imm)));
+ CurDAG->getMachineNode(PPC::SRAWI, dl, MVT::i32, MVT::Flag,
+ N0, getI32Imm(Log2_32(Imm)));
return CurDAG->SelectNodeTo(N, PPC::ADDZE, MVT::i32,
SDValue(Op, 0), SDValue(Op, 1));
} else if ((signed)Imm < 0 && isPowerOf2_32(-Imm)) {
SDNode *Op =
- CurDAG->getTargetNode(PPC::SRAWI, dl, MVT::i32, MVT::Flag,
- N0, getI32Imm(Log2_32(-Imm)));
+ CurDAG->getMachineNode(PPC::SRAWI, dl, MVT::i32, MVT::Flag,
+ N0, getI32Imm(Log2_32(-Imm)));
SDValue PT =
- SDValue(CurDAG->getTargetNode(PPC::ADDZE, dl, MVT::i32,
- SDValue(Op, 0), SDValue(Op, 1)),
+ SDValue(CurDAG->getMachineNode(PPC::ADDZE, dl, MVT::i32,
+ SDValue(Op, 0), SDValue(Op, 1)),
0);
return CurDAG->SelectNodeTo(N, PPC::NEG, MVT::i32, PT);
}
case ISD::LOAD: {
// Handle preincrement loads.
- LoadSDNode *LD = cast<LoadSDNode>(Op);
- MVT LoadedVT = LD->getMemoryVT();
+ LoadSDNode *LD = cast<LoadSDNode>(N);
+ EVT LoadedVT = LD->getMemoryVT();
// Normal loads are handled by code generated from the .td file.
if (LD->getAddressingMode() != ISD::PRE_INC)
if (LD->getValueType(0) != MVT::i64) {
// Handle PPC32 integer and normal FP loads.
assert((!isSExt || LoadedVT == MVT::i16) && "Invalid sext update load");
- switch (LoadedVT.getSimpleVT()) {
- default: assert(0 && "Invalid PPC load type!");
+ switch (LoadedVT.getSimpleVT().SimpleTy) {
+ default: llvm_unreachable("Invalid PPC load type!");
case MVT::f64: Opcode = PPC::LFDU; break;
case MVT::f32: Opcode = PPC::LFSU; break;
case MVT::i32: Opcode = PPC::LWZU; break;
} else {
assert(LD->getValueType(0) == MVT::i64 && "Unknown load result type!");
assert((!isSExt || LoadedVT == MVT::i16) && "Invalid sext update load");
- switch (LoadedVT.getSimpleVT()) {
- default: assert(0 && "Invalid PPC load type!");
+ switch (LoadedVT.getSimpleVT().SimpleTy) {
+ default: llvm_unreachable("Invalid PPC load type!");
case MVT::i64: Opcode = PPC::LDU; break;
case MVT::i32: Opcode = PPC::LWZU8; break;
case MVT::i16: Opcode = isSExt ? PPC::LHAU8 : PPC::LHZU8; break;
SDValue Base = LD->getBasePtr();
SDValue Ops[] = { Offset, Base, Chain };
// FIXME: PPC64
- return CurDAG->getTargetNode(Opcode, dl, LD->getValueType(0),
- PPCLowering.getPointerTy(),
- MVT::Other, Ops, 3);
+ return CurDAG->getMachineNode(Opcode, dl, LD->getValueType(0),
+ PPCLowering.getPointerTy(),
+ MVT::Other, Ops, 3);
} else {
- assert(0 && "R+R preindex loads not supported yet!");
+ llvm_unreachable("R+R preindex loads not supported yet!");
}
}
SDValue Ops[] = { N->getOperand(0).getOperand(0),
N->getOperand(0).getOperand(1),
getI32Imm(0), getI32Imm(MB),getI32Imm(ME) };
- return CurDAG->getTargetNode(PPC::RLWIMI, dl, MVT::i32, Ops, 5);
+ return CurDAG->getMachineNode(PPC::RLWIMI, dl, MVT::i32, Ops, 5);
}
}
// FIXME: Implement this optzn for PPC64.
N->getValueType(0) == MVT::i32) {
SDNode *Tmp =
- CurDAG->getTargetNode(PPC::ADDIC, dl, MVT::i32, MVT::Flag,
- N->getOperand(0), getI32Imm(~0U));
+ CurDAG->getMachineNode(PPC::ADDIC, dl, MVT::i32, MVT::Flag,
+ N->getOperand(0), getI32Imm(~0U));
return CurDAG->SelectNodeTo(N, PPC::SUBFE, MVT::i32,
SDValue(Tmp, 0), N->getOperand(0),
SDValue(Tmp, 1));
SDValue Chain = N->getOperand(0);
SDValue Target = N->getOperand(1);
unsigned Opc = Target.getValueType() == MVT::i32 ? PPC::MTCTR : PPC::MTCTR8;
- Chain = SDValue(CurDAG->getTargetNode(Opc, dl, MVT::Other, Target,
- Chain), 0);
+ Chain = SDValue(CurDAG->getMachineNode(Opc, dl, MVT::Other, Target,
+ Chain), 0);
return CurDAG->SelectNodeTo(N, PPC::BCTR, MVT::Other, Chain);
}
- case ISD::DECLARE: {
- SDValue Chain = N->getOperand(0);
- SDValue N1 = N->getOperand(1);
- SDValue N2 = N->getOperand(2);
- FrameIndexSDNode *FINode = dyn_cast<FrameIndexSDNode>(N1);
-
- // FIXME: We need to handle this for VLAs.
- if (!FINode) {
- ReplaceUses(Op.getValue(0), Chain);
- return NULL;
- }
-
- if (N2.getOpcode() == ISD::ADD) {
- if (N2.getOperand(0).getOpcode() == ISD::ADD &&
- N2.getOperand(0).getOperand(0).getOpcode() == PPCISD::GlobalBaseReg &&
- N2.getOperand(0).getOperand(1).getOpcode() == PPCISD::Hi &&
- N2.getOperand(1).getOpcode() == PPCISD::Lo)
- N2 = N2.getOperand(0).getOperand(1).getOperand(0);
- else if (N2.getOperand(0).getOpcode() == ISD::ADD &&
- N2.getOperand(0).getOperand(0).getOpcode() == PPCISD::GlobalBaseReg &&
- N2.getOperand(0).getOperand(1).getOpcode() == PPCISD::Lo &&
- N2.getOperand(1).getOpcode() == PPCISD::Hi)
- N2 = N2.getOperand(0).getOperand(1).getOperand(0);
- else if (N2.getOperand(0).getOpcode() == PPCISD::Hi &&
- N2.getOperand(1).getOpcode() == PPCISD::Lo)
- N2 = N2.getOperand(0).getOperand(0);
- }
-
- // If we don't have a global address here, the debug info is mangled, just
- // drop it.
- if (!isa<GlobalAddressSDNode>(N2)) {
- ReplaceUses(Op.getValue(0), Chain);
- return NULL;
- }
- int FI = cast<FrameIndexSDNode>(N1)->getIndex();
- GlobalValue *GV = cast<GlobalAddressSDNode>(N2)->getGlobal();
- SDValue Tmp1 = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
- SDValue Tmp2 = CurDAG->getTargetGlobalAddress(GV, TLI.getPointerTy());
- return CurDAG->SelectNodeTo(N, TargetInstrInfo::DECLARE,
- MVT::Other, Tmp1, Tmp2, Chain);
- }
}
- return SelectCode(Op);
+ return SelectCode(N);
}
projects / oota-llvm.git / blobdiff