#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;
/// 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);
}
#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();
// 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.
bool HasVectorVReg = false;
for (unsigned i = TargetRegisterInfo::FirstVirtualRegister,
}
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->getMachineNode(PPC::RLWIMI, dl, MVT::i32, Ops, 5);
}
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();
// 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.
}
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, Op.getValueType(), TFI,
+ return CurDAG->getMachineNode(Opc, dl, N->getValueType(0), TFI,
getSmallIPtrImm(0));
}
case ISD::LOAD: {
// Handle preincrement loads.
- LoadSDNode *LD = cast<LoadSDNode>(Op);
+ LoadSDNode *LD = cast<LoadSDNode>(N);
EVT LoadedVT = LD->getMemoryVT();
// Normal loads are handled by code generated from the .td file.
}
}
- return SelectCode(Op);
+ return SelectCode(N);
}
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