#include "AlphaISelLowering.h"
#include "AlphaTargetMachine.h"
+#include "AlphaMachineFunctionInfo.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/Function.h"
#include "llvm/Module.h"
#include "llvm/Intrinsics.h"
+#include "llvm/Type.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
CallingConv::ID CallConv, bool isVarArg,
bool &isTailCall,
const SmallVectorImpl<ISD::OutputArg> &Outs,
+ const SmallVectorImpl<SDValue> &OutVals,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) {
+ SmallVectorImpl<SDValue> &InVals) const {
// Alpha target does not yet support tail call optimization.
isTailCall = false;
for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
CCValAssign &VA = ArgLocs[i];
- SDValue Arg = Outs[i].Val;
+ SDValue Arg = OutVals[i];
// Promote the value if needed.
switch (VA.getLocInfo()) {
DAG.getIntPtrConstant(VA.getLocMemOffset()));
MemOpChains.push_back(DAG.getStore(Chain, dl, Arg, PtrOff,
- PseudoSourceValue::getStack(), 0,
- false, false, 0));
+ MachinePointerInfo(),false, false, 0));
}
}
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) {
+ SmallVectorImpl<SDValue> &InVals) const {
// Assign locations to each value returned by this call.
SmallVector<CCValAssign, 16> RVLocs;
const SmallVectorImpl<ISD::InputArg>
&Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) {
+ SmallVectorImpl<SDValue> &InVals)
+ const {
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
+ AlphaMachineFunctionInfo *FuncInfo = MF.getInfo<AlphaMachineFunctionInfo>();
unsigned args_int[] = {
Alpha::R16, Alpha::R17, Alpha::R18, Alpha::R19, Alpha::R20, Alpha::R21};
}
} else { //more args
// Create the frame index object for this incoming parameter...
- int FI = MFI->CreateFixedObject(8, 8 * (ArgNo - 6), true, false);
+ int FI = MFI->CreateFixedObject(8, 8 * (ArgNo - 6), true);
// Create the SelectionDAG nodes corresponding to a load
//from this parameter
SDValue FIN = DAG.getFrameIndex(FI, MVT::i64);
- ArgVal = DAG.getLoad(ObjectVT, dl, Chain, FIN, NULL, 0,
+ ArgVal = DAG.getLoad(ObjectVT, dl, Chain, FIN, MachinePointerInfo(),
false, false, 0);
}
InVals.push_back(ArgVal);
// If the functions takes variable number of arguments, copy all regs to stack
if (isVarArg) {
- VarArgsOffset = Ins.size() * 8;
+ FuncInfo->setVarArgsOffset(Ins.size() * 8);
std::vector<SDValue> LS;
for (int i = 0; i < 6; ++i) {
if (TargetRegisterInfo::isPhysicalRegister(args_int[i]))
args_int[i] = AddLiveIn(MF, args_int[i], &Alpha::GPRCRegClass);
SDValue argt = DAG.getCopyFromReg(Chain, dl, args_int[i], MVT::i64);
- int FI = MFI->CreateFixedObject(8, -8 * (6 - i), true, false);
- if (i == 0) VarArgsBase = FI;
+ int FI = MFI->CreateFixedObject(8, -8 * (6 - i), true);
+ if (i == 0) FuncInfo->setVarArgsBase(FI);
SDValue SDFI = DAG.getFrameIndex(FI, MVT::i64);
- LS.push_back(DAG.getStore(Chain, dl, argt, SDFI, NULL, 0,
+ LS.push_back(DAG.getStore(Chain, dl, argt, SDFI, MachinePointerInfo(),
false, false, 0));
if (TargetRegisterInfo::isPhysicalRegister(args_float[i]))
args_float[i] = AddLiveIn(MF, args_float[i], &Alpha::F8RCRegClass);
argt = DAG.getCopyFromReg(Chain, dl, args_float[i], MVT::f64);
- FI = MFI->CreateFixedObject(8, - 8 * (12 - i), true, false);
+ FI = MFI->CreateFixedObject(8, - 8 * (12 - i), true);
SDFI = DAG.getFrameIndex(FI, MVT::i64);
- LS.push_back(DAG.getStore(Chain, dl, argt, SDFI, NULL, 0,
+ LS.push_back(DAG.getStore(Chain, dl, argt, SDFI, MachinePointerInfo(),
false, false, 0));
}
AlphaTargetLowering::LowerReturn(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
- DebugLoc dl, SelectionDAG &DAG) {
+ const SmallVectorImpl<SDValue> &OutVals,
+ DebugLoc dl, SelectionDAG &DAG) const {
SDValue Copy = DAG.getCopyToReg(Chain, dl, Alpha::R26,
DAG.getNode(AlphaISD::GlobalRetAddr,
break;
//return SDValue(); // ret void is legal
case 1: {
- EVT ArgVT = Outs[0].Val.getValueType();
+ EVT ArgVT = Outs[0].VT;
unsigned ArgReg;
if (ArgVT.isInteger())
ArgReg = Alpha::R0;
ArgReg = Alpha::F0;
}
Copy = DAG.getCopyToReg(Copy, dl, ArgReg,
- Outs[0].Val, Copy.getValue(1));
+ OutVals[0], Copy.getValue(1));
if (DAG.getMachineFunction().getRegInfo().liveout_empty())
DAG.getMachineFunction().getRegInfo().addLiveOut(ArgReg);
break;
}
case 2: {
- EVT ArgVT = Outs[0].Val.getValueType();
+ EVT ArgVT = Outs[0].VT;
unsigned ArgReg1, ArgReg2;
if (ArgVT.isInteger()) {
ArgReg1 = Alpha::R0;
ArgReg2 = Alpha::F1;
}
Copy = DAG.getCopyToReg(Copy, dl, ArgReg1,
- Outs[0].Val, Copy.getValue(1));
+ OutVals[0], Copy.getValue(1));
if (std::find(DAG.getMachineFunction().getRegInfo().liveout_begin(),
DAG.getMachineFunction().getRegInfo().liveout_end(), ArgReg1)
== DAG.getMachineFunction().getRegInfo().liveout_end())
DAG.getMachineFunction().getRegInfo().addLiveOut(ArgReg1);
Copy = DAG.getCopyToReg(Copy, dl, ArgReg2,
- Outs[1].Val, Copy.getValue(1));
+ OutVals[1], Copy.getValue(1));
if (std::find(DAG.getMachineFunction().getRegInfo().liveout_begin(),
DAG.getMachineFunction().getRegInfo().liveout_end(), ArgReg2)
== DAG.getMachineFunction().getRegInfo().liveout_end())
}
void AlphaTargetLowering::LowerVAARG(SDNode *N, SDValue &Chain,
- SDValue &DataPtr, SelectionDAG &DAG) {
+ SDValue &DataPtr,
+ SelectionDAG &DAG) const {
Chain = N->getOperand(0);
SDValue VAListP = N->getOperand(1);
const Value *VAListS = cast<SrcValueSDNode>(N->getOperand(2))->getValue();
DebugLoc dl = N->getDebugLoc();
- SDValue Base = DAG.getLoad(MVT::i64, dl, Chain, VAListP, VAListS, 0,
+ SDValue Base = DAG.getLoad(MVT::i64, dl, Chain, VAListP,
+ MachinePointerInfo(VAListS),
false, false, 0);
SDValue Tmp = DAG.getNode(ISD::ADD, dl, MVT::i64, VAListP,
DAG.getConstant(8, MVT::i64));
- SDValue Offset = DAG.getExtLoad(ISD::SEXTLOAD, dl, MVT::i64, Base.getValue(1),
- Tmp, NULL, 0, MVT::i32, false, false, 0);
+ SDValue Offset = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, dl, Base.getValue(1),
+ Tmp, MachinePointerInfo(),
+ MVT::i32, false, false, 0);
DataPtr = DAG.getNode(ISD::ADD, dl, MVT::i64, Base, Offset);
if (N->getValueType(0).isFloatingPoint())
{
SDValue NewOffset = DAG.getNode(ISD::ADD, dl, MVT::i64, Offset,
DAG.getConstant(8, MVT::i64));
- Chain = DAG.getTruncStore(Offset.getValue(1), dl, NewOffset, Tmp, NULL, 0,
+ Chain = DAG.getTruncStore(Offset.getValue(1), dl, NewOffset, Tmp,
+ MachinePointerInfo(),
MVT::i32, false, false, 0);
}
/// LowerOperation - Provide custom lowering hooks for some operations.
///
-SDValue AlphaTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) {
+SDValue AlphaTargetLowering::LowerOperation(SDValue Op,
+ SelectionDAG &DAG) const {
DebugLoc dl = Op.getDebugLoc();
switch (Op.getOpcode()) {
default: llvm_unreachable("Wasn't expecting to be able to lower this!");
case ISD::GlobalAddress: {
GlobalAddressSDNode *GSDN = cast<GlobalAddressSDNode>(Op);
const GlobalValue *GV = GSDN->getGlobal();
- SDValue GA = DAG.getTargetGlobalAddress(GV, MVT::i64, GSDN->getOffset());
+ SDValue GA = DAG.getTargetGlobalAddress(GV, dl, MVT::i64,
+ GSDN->getOffset());
// FIXME there isn't really any debug info here
- // if (!GV->hasWeakLinkage() && !GV->isDeclaration() && !GV->hasLinkOnceLinkage()) {
+ // if (!GV->hasWeakLinkage() && !GV->isDeclaration()
+ // && !GV->hasLinkOnceLinkage()) {
if (GV->hasLocalLinkage()) {
SDValue Hi = DAG.getNode(AlphaISD::GPRelHi, dl, MVT::i64, GA,
DAG.getGLOBAL_OFFSET_TABLE(MVT::i64));
SDValue Result;
if (Op.getValueType() == MVT::i32)
- Result = DAG.getExtLoad(ISD::SEXTLOAD, dl, MVT::i64, Chain, DataPtr,
- NULL, 0, MVT::i32, false, false, 0);
+ Result = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, dl, Chain, DataPtr,
+ MachinePointerInfo(), MVT::i32, false, false, 0);
else
- Result = DAG.getLoad(Op.getValueType(), dl, Chain, DataPtr, NULL, 0,
+ Result = DAG.getLoad(Op.getValueType(), dl, Chain, DataPtr,
+ MachinePointerInfo(),
false, false, 0);
return Result;
}
const Value *DestS = cast<SrcValueSDNode>(Op.getOperand(3))->getValue();
const Value *SrcS = cast<SrcValueSDNode>(Op.getOperand(4))->getValue();
- SDValue Val = DAG.getLoad(getPointerTy(), dl, Chain, SrcP, SrcS, 0,
+ SDValue Val = DAG.getLoad(getPointerTy(), dl, Chain, SrcP,
+ MachinePointerInfo(SrcS),
false, false, 0);
- SDValue Result = DAG.getStore(Val.getValue(1), dl, Val, DestP, DestS, 0,
+ SDValue Result = DAG.getStore(Val.getValue(1), dl, Val, DestP,
+ MachinePointerInfo(DestS),
false, false, 0);
SDValue NP = DAG.getNode(ISD::ADD, dl, MVT::i64, SrcP,
DAG.getConstant(8, MVT::i64));
- Val = DAG.getExtLoad(ISD::SEXTLOAD, dl, MVT::i64, Result,
- NP, NULL,0, MVT::i32, false, false, 0);
+ Val = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, dl, Result,
+ NP, MachinePointerInfo(), MVT::i32, false, false, 0);
SDValue NPD = DAG.getNode(ISD::ADD, dl, MVT::i64, DestP,
DAG.getConstant(8, MVT::i64));
- return DAG.getTruncStore(Val.getValue(1), dl, Val, NPD, NULL, 0, MVT::i32,
+ return DAG.getTruncStore(Val.getValue(1), dl, Val, NPD,
+ MachinePointerInfo(), MVT::i32,
false, false, 0);
}
case ISD::VASTART: {
+ MachineFunction &MF = DAG.getMachineFunction();
+ AlphaMachineFunctionInfo *FuncInfo = MF.getInfo<AlphaMachineFunctionInfo>();
+
SDValue Chain = Op.getOperand(0);
SDValue VAListP = Op.getOperand(1);
const Value *VAListS = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
// vastart stores the address of the VarArgsBase and VarArgsOffset
- SDValue FR = DAG.getFrameIndex(VarArgsBase, MVT::i64);
- SDValue S1 = DAG.getStore(Chain, dl, FR, VAListP, VAListS, 0,
- false, false, 0);
+ SDValue FR = DAG.getFrameIndex(FuncInfo->getVarArgsBase(), MVT::i64);
+ SDValue S1 = DAG.getStore(Chain, dl, FR, VAListP,
+ MachinePointerInfo(VAListS), false, false, 0);
SDValue SA2 = DAG.getNode(ISD::ADD, dl, MVT::i64, VAListP,
DAG.getConstant(8, MVT::i64));
- return DAG.getTruncStore(S1, dl, DAG.getConstant(VarArgsOffset, MVT::i64),
- SA2, NULL, 0, MVT::i32, false, false, 0);
+ return DAG.getTruncStore(S1, dl,
+ DAG.getConstant(FuncInfo->getVarArgsOffset(),
+ MVT::i64),
+ SA2, MachinePointerInfo(),
+ MVT::i32, false, false, 0);
}
case ISD::RETURNADDR:
return DAG.getNode(AlphaISD::GlobalRetAddr, DebugLoc(), MVT::i64);
void AlphaTargetLowering::ReplaceNodeResults(SDNode *N,
SmallVectorImpl<SDValue>&Results,
- SelectionDAG &DAG) {
+ SelectionDAG &DAG) const {
DebugLoc dl = N->getDebugLoc();
assert(N->getValueType(0) == MVT::i32 &&
N->getOpcode() == ISD::VAARG &&
SDValue Chain, DataPtr;
LowerVAARG(N, Chain, DataPtr, DAG);
- SDValue Res = DAG.getLoad(N->getValueType(0), dl, Chain, DataPtr, NULL, 0,
+ SDValue Res = DAG.getLoad(N->getValueType(0), dl, Chain, DataPtr,
+ MachinePointerInfo(),
false, false, 0);
Results.push_back(Res);
Results.push_back(SDValue(Res.getNode(), 1));
return TargetLowering::getConstraintType(Constraint);
}
+/// Examine constraint type and operand type and determine a weight value.
+/// This object must already have been set up with the operand type
+/// and the current alternative constraint selected.
+TargetLowering::ConstraintWeight
+AlphaTargetLowering::getSingleConstraintMatchWeight(
+ AsmOperandInfo &info, const char *constraint) const {
+ ConstraintWeight weight = CW_Invalid;
+ Value *CallOperandVal = info.CallOperandVal;
+ // If we don't have a value, we can't do a match,
+ // but allow it at the lowest weight.
+ if (CallOperandVal == NULL)
+ return CW_Default;
+ // Look at the constraint type.
+ switch (*constraint) {
+ default:
+ weight = TargetLowering::getSingleConstraintMatchWeight(info, constraint);
+ break;
+ case 'f':
+ weight = CW_Register;
+ break;
+ }
+ return weight;
+}
+
std::vector<unsigned> AlphaTargetLowering::
getRegClassForInlineAsmConstraint(const std::string &Constraint,
EVT VT) const {
MachineBasicBlock *
AlphaTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
- MachineBasicBlock *BB,
- DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const {
+ MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
assert((MI->getOpcode() == Alpha::CAS32 ||
MI->getOpcode() == Alpha::CAS64 ||
MachineBasicBlock *llscMBB = F->CreateMachineBasicBlock(LLVM_BB);
MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB);
- // Inform sdisel of the edge changes.
- for (MachineBasicBlock::succ_iterator I = BB->succ_begin(),
- E = BB->succ_end(); I != E; ++I)
- EM->insert(std::make_pair(*I, sinkMBB));
-
- sinkMBB->transferSuccessors(thisMBB);
+ sinkMBB->splice(sinkMBB->begin(), thisMBB,
+ llvm::next(MachineBasicBlock::iterator(MI)),
+ thisMBB->end());
+ sinkMBB->transferSuccessorsAndUpdatePHIs(thisMBB);
F->insert(It, llscMBB);
F->insert(It, sinkMBB);
thisMBB->addSuccessor(llscMBB);
llscMBB->addSuccessor(llscMBB);
llscMBB->addSuccessor(sinkMBB);
- F->DeleteMachineInstr(MI); // The pseudo instruction is gone now.
+ MI->eraseFromParent(); // The pseudo instruction is gone now.
return sinkMBB;
}