#include "llvm/Function.h"
#include "llvm/Module.h"
#include "llvm/Support/CommandLine.h"
-#include <iostream>
-
using namespace llvm;
/// AddLiveIn - This helper function adds the specified physical register to the
setSetCCResultType(MVT::i64);
setSetCCResultContents(ZeroOrOneSetCCResult);
+ setUsesGlobalOffsetTable(true);
+
addRegisterClass(MVT::i64, Alpha::GPRCRegisterClass);
addRegisterClass(MVT::f64, Alpha::F8RCRegisterClass);
addRegisterClass(MVT::f32, Alpha::F4RCRegisterClass);
- setOperationAction(ISD::BRIND, MVT::i64, Expand);
- setOperationAction(ISD::BR_CC, MVT::Other, Expand);
- setOperationAction(ISD::SELECT_CC, MVT::Other, Expand);
-
- setOperationAction(ISD::EXTLOAD, MVT::i1, Promote);
- setOperationAction(ISD::EXTLOAD, MVT::f32, Expand);
+ setLoadXAction(ISD::EXTLOAD, MVT::i1, Promote);
+ setLoadXAction(ISD::EXTLOAD, MVT::f32, Expand);
- setOperationAction(ISD::ZEXTLOAD, MVT::i1, Promote);
- setOperationAction(ISD::ZEXTLOAD, MVT::i32, Expand);
+ setLoadXAction(ISD::ZEXTLOAD, MVT::i1, Promote);
+ setLoadXAction(ISD::ZEXTLOAD, MVT::i32, Expand);
- setOperationAction(ISD::SEXTLOAD, MVT::i1, Promote);
- setOperationAction(ISD::SEXTLOAD, MVT::i8, Expand);
- setOperationAction(ISD::SEXTLOAD, MVT::i16, Expand);
+ setLoadXAction(ISD::SEXTLOAD, MVT::i1, Promote);
+ setLoadXAction(ISD::SEXTLOAD, MVT::i8, Expand);
+ setLoadXAction(ISD::SEXTLOAD, MVT::i16, Expand);
+
+ setStoreXAction(MVT::i1, Promote);
- setOperationAction(ISD::TRUNCSTORE, MVT::i1, Promote);
+ // setOperationAction(ISD::BRIND, MVT::Other, Expand);
+ setOperationAction(ISD::BR_JT, MVT::Other, Expand);
+ setOperationAction(ISD::BR_CC, MVT::Other, Expand);
+ setOperationAction(ISD::SELECT_CC, MVT::Other, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
setOperationAction(ISD::SETCC, MVT::f32, Promote);
+ setOperationAction(ISD::BIT_CONVERT, MVT::f32, Promote);
+
// We don't have line number support yet.
setOperationAction(ISD::LOCATION, MVT::Other, Expand);
setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
- setOperationAction(ISD::DEBUG_LABEL, MVT::Other, Expand);
+ setOperationAction(ISD::LABEL, MVT::Other, Expand);
// Not implemented yet.
setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
setOperationAction(ISD::RET, MVT::Other, Custom);
+ setOperationAction(ISD::JumpTable, MVT::i64, Custom);
+ setOperationAction(ISD::JumpTable, MVT::i32, Custom);
+
setStackPointerRegisterToSaveRestore(Alpha::R30);
setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
setJumpBufAlignment(16);
computeRegisterProperties();
-
- useITOF = TM.getSubtarget<AlphaSubtarget>().hasF2I();
}
const char *AlphaTargetLowering::getTargetNodeName(unsigned Opcode) const {
switch (Opcode) {
default: return 0;
- case AlphaISD::ITOFT_: return "Alpha::ITOFT_";
- case AlphaISD::FTOIT_: return "Alpha::FTOIT_";
case AlphaISD::CVTQT_: return "Alpha::CVTQT_";
case AlphaISD::CVTQS_: return "Alpha::CVTQS_";
case AlphaISD::CVTTQ_: return "Alpha::CVTTQ_";
case AlphaISD::GPRelHi: return "Alpha::GPRelHi";
case AlphaISD::GPRelLo: return "Alpha::GPRelLo";
case AlphaISD::RelLit: return "Alpha::RelLit";
- case AlphaISD::GlobalBaseReg: return "Alpha::GlobalBaseReg";
case AlphaISD::GlobalRetAddr: return "Alpha::GlobalRetAddr";
case AlphaISD::CALL: return "Alpha::CALL";
case AlphaISD::DivCall: return "Alpha::DivCall";
case AlphaISD::RET_FLAG: return "Alpha::RET_FLAG";
+ case AlphaISD::COND_BRANCH_I: return "Alpha::COND_BRANCH_I";
+ case AlphaISD::COND_BRANCH_F: return "Alpha::COND_BRANCH_F";
}
}
+static SDOperand LowerJumpTable(SDOperand Op, SelectionDAG &DAG) {
+ MVT::ValueType PtrVT = Op.getValueType();
+ JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);
+ SDOperand JTI = DAG.getTargetJumpTable(JT->getIndex(), PtrVT);
+ SDOperand Zero = DAG.getConstant(0, PtrVT);
+
+ SDOperand Hi = DAG.getNode(AlphaISD::GPRelHi, MVT::i64, JTI,
+ DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
+ SDOperand Lo = DAG.getNode(AlphaISD::GPRelLo, MVT::i64, JTI, Hi);
+ return Lo;
+}
+
//http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/
//AA-PY8AC-TET1_html/callCH3.html#BLOCK21
static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG,
int &VarArgsBase,
- int &VarArgsOffset,
- unsigned int &GP,
- unsigned int &RA) {
+ int &VarArgsOffset) {
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
- SSARegMap *RegMap = MF.getSSARegMap();
std::vector<SDOperand> ArgValues;
SDOperand Root = Op.getOperand(0);
- GP = AddLiveIn(MF, Alpha::R29, &Alpha::GPRCRegClass);
- RA = AddLiveIn(MF, Alpha::R26, &Alpha::GPRCRegClass);
+ AddLiveIn(MF, Alpha::R29, &Alpha::GPRCRegClass); //GP
+ AddLiveIn(MF, Alpha::R26, &Alpha::GPRCRegClass); //RA
unsigned args_int[] = {
Alpha::R16, Alpha::R17, Alpha::R18, Alpha::R19, Alpha::R20, Alpha::R21};
SDOperand ArgVal;
if (ArgNo < 6) {
- unsigned Vreg;
switch (ObjectVT) {
default:
- std::cerr << "Unknown Type " << ObjectVT << "\n";
+ cerr << "Unknown Type " << ObjectVT << "\n";
abort();
case MVT::f64:
args_float[ArgNo] = AddLiveIn(MF, args_float[ArgNo],
// Create the SelectionDAG nodes corresponding to a load
//from this parameter
SDOperand FIN = DAG.getFrameIndex(FI, MVT::i64);
- ArgVal = DAG.getLoad(ObjectVT, Root, FIN, DAG.getSrcValue(NULL));
+ ArgVal = DAG.getLoad(ObjectVT, Root, FIN, NULL, 0);
}
ArgValues.push_back(ArgVal);
}
int FI = MFI->CreateFixedObject(8, -8 * (6 - i));
if (i == 0) VarArgsBase = FI;
SDOperand SDFI = DAG.getFrameIndex(FI, MVT::i64);
- LS.push_back(DAG.getNode(ISD::STORE, MVT::Other, Root, argt,
- SDFI, DAG.getSrcValue(NULL)));
+ LS.push_back(DAG.getStore(Root, argt, SDFI, NULL, 0));
if (MRegisterInfo::isPhysicalRegister(args_float[i]))
args_float[i] = AddLiveIn(MF, args_float[i], &Alpha::F8RCRegClass);
argt = DAG.getCopyFromReg(Root, args_float[i], MVT::f64);
FI = MFI->CreateFixedObject(8, - 8 * (12 - i));
SDFI = DAG.getFrameIndex(FI, MVT::i64);
- LS.push_back(DAG.getNode(ISD::STORE, MVT::Other, Root, argt,
- SDFI, DAG.getSrcValue(NULL)));
+ LS.push_back(DAG.getStore(Root, argt, SDFI, NULL, 0));
}
//Set up a token factor with all the stack traffic
return DAG.getNode(ISD::MERGE_VALUES, RetVT, &ArgValues[0], ArgValues.size());
}
-static SDOperand LowerRET(SDOperand Op, SelectionDAG &DAG, unsigned int RA) {
+static SDOperand LowerRET(SDOperand Op, SelectionDAG &DAG) {
SDOperand Copy = DAG.getCopyToReg(Op.getOperand(0), Alpha::R26,
DAG.getNode(AlphaISD::GlobalRetAddr,
MVT::i64),
}
std::pair<SDOperand, SDOperand>
-AlphaTargetLowering::LowerCallTo(SDOperand Chain,
- const Type *RetTy, bool isVarArg,
+AlphaTargetLowering::LowerCallTo(SDOperand Chain, const Type *RetTy,
+ bool RetTyIsSigned, bool isVarArg,
unsigned CallingConv, bool isTailCall,
SDOperand Callee, ArgListTy &Args,
SelectionDAG &DAG) {
std::vector<SDOperand> args_to_use;
for (unsigned i = 0, e = Args.size(); i != e; ++i)
{
- switch (getValueType(Args[i].second)) {
+ switch (getValueType(Args[i].Ty)) {
default: assert(0 && "Unexpected ValueType for argument!");
case MVT::i1:
case MVT::i8:
case MVT::i32:
// Promote the integer to 64 bits. If the input type is signed use a
// sign extend, otherwise use a zero extend.
- if (Args[i].second->isSigned())
- Args[i].first = DAG.getNode(ISD::SIGN_EXTEND, MVT::i64, Args[i].first);
+ if (Args[i].isSigned)
+ Args[i].Node = DAG.getNode(ISD::SIGN_EXTEND, MVT::i64, Args[i].Node);
else
- Args[i].first = DAG.getNode(ISD::ZERO_EXTEND, MVT::i64, Args[i].first);
+ Args[i].Node = DAG.getNode(ISD::ZERO_EXTEND, MVT::i64, Args[i].Node);
break;
case MVT::i64:
case MVT::f64:
case MVT::f32:
break;
}
- args_to_use.push_back(Args[i].first);
+ args_to_use.push_back(Args[i].Node);
}
std::vector<MVT::ValueType> RetVals;
SDOperand RetVal = TheCall;
if (RetTyVT != ActualRetTyVT) {
- RetVal = DAG.getNode(RetTy->isSigned() ? ISD::AssertSext : ISD::AssertZext,
+ RetVal = DAG.getNode(RetTyIsSigned ? ISD::AssertSext : ISD::AssertZext,
MVT::i64, RetVal, DAG.getValueType(RetTyVT));
RetVal = DAG.getNode(ISD::TRUNCATE, RetTyVT, RetVal);
}
return std::make_pair(RetVal, Chain);
}
-void AlphaTargetLowering::restoreGP(MachineBasicBlock* BB)
-{
- BuildMI(BB, Alpha::BIS, 2, Alpha::R29).addReg(GP).addReg(GP);
-}
-void AlphaTargetLowering::restoreRA(MachineBasicBlock* BB)
-{
- BuildMI(BB, Alpha::BIS, 2, Alpha::R26).addReg(RA).addReg(RA);
-}
-
-static int getUID()
-{
- static int id = 0;
- return ++id;
-}
-
/// LowerOperation - Provide custom lowering hooks for some operations.
///
SDOperand AlphaTargetLowering::LowerOperation(SDOperand Op, SelectionDAG &DAG) {
default: assert(0 && "Wasn't expecting to be able to lower this!");
case ISD::FORMAL_ARGUMENTS: return LowerFORMAL_ARGUMENTS(Op, DAG,
VarArgsBase,
- VarArgsOffset,
- GP, RA);
- case ISD::RET: return LowerRET(Op,DAG, getVRegRA());
+ VarArgsOffset);
+
+ case ISD::RET: return LowerRET(Op,DAG);
+ case ISD::JumpTable: return LowerJumpTable(Op, DAG);
+
case ISD::SINT_TO_FP: {
assert(MVT::i64 == Op.getOperand(0).getValueType() &&
"Unhandled SINT_TO_FP type in custom expander!");
SDOperand LD;
bool isDouble = MVT::f64 == Op.getValueType();
- if (useITOF) {
- LD = DAG.getNode(AlphaISD::ITOFT_, MVT::f64, Op.getOperand(0));
- } else {
- int FrameIdx =
- DAG.getMachineFunction().getFrameInfo()->CreateStackObject(8, 8);
- SDOperand FI = DAG.getFrameIndex(FrameIdx, MVT::i64);
- SDOperand ST = DAG.getNode(ISD::STORE, MVT::Other, DAG.getEntryNode(),
- Op.getOperand(0), FI, DAG.getSrcValue(0));
- LD = DAG.getLoad(MVT::f64, ST, FI, DAG.getSrcValue(0));
- }
+ LD = DAG.getNode(ISD::BIT_CONVERT, MVT::f64, Op.getOperand(0));
SDOperand FP = DAG.getNode(isDouble?AlphaISD::CVTQT_:AlphaISD::CVTQS_,
isDouble?MVT::f64:MVT::f32, LD);
return FP;
src = DAG.getNode(AlphaISD::CVTTQ_, MVT::f64, src);
- if (useITOF) {
- return DAG.getNode(AlphaISD::FTOIT_, MVT::i64, src);
- } else {
- int FrameIdx =
- DAG.getMachineFunction().getFrameInfo()->CreateStackObject(8, 8);
- SDOperand FI = DAG.getFrameIndex(FrameIdx, MVT::i64);
- SDOperand ST = DAG.getNode(ISD::STORE, MVT::Other, DAG.getEntryNode(),
- src, FI, DAG.getSrcValue(0));
- return DAG.getLoad(MVT::i64, ST, FI, DAG.getSrcValue(0));
- }
+ return DAG.getNode(ISD::BIT_CONVERT, MVT::i64, src);
}
case ISD::ConstantPool: {
ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(Op);
SDOperand CPI = DAG.getTargetConstantPool(C, MVT::i64, CP->getAlignment());
SDOperand Hi = DAG.getNode(AlphaISD::GPRelHi, MVT::i64, CPI,
- DAG.getNode(AlphaISD::GlobalBaseReg, MVT::i64));
+ DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
SDOperand Lo = DAG.getNode(AlphaISD::GPRelLo, MVT::i64, CPI, Hi);
return Lo;
}
// if (!GV->hasWeakLinkage() && !GV->isExternal() && !GV->hasLinkOnceLinkage()) {
if (GV->hasInternalLinkage()) {
SDOperand Hi = DAG.getNode(AlphaISD::GPRelHi, MVT::i64, GA,
- DAG.getNode(AlphaISD::GlobalBaseReg, MVT::i64));
+ DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
SDOperand Lo = DAG.getNode(AlphaISD::GPRelLo, MVT::i64, GA, Hi);
return Lo;
} else
- return DAG.getNode(AlphaISD::RelLit, MVT::i64, GA, DAG.getNode(AlphaISD::GlobalBaseReg, MVT::i64));
+ return DAG.getNode(AlphaISD::RelLit, MVT::i64, GA,
+ DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
}
case ISD::ExternalSymbol: {
return DAG.getNode(AlphaISD::RelLit, MVT::i64,
- DAG.getTargetExternalSymbol(cast<ExternalSymbolSDNode>(Op)->getSymbol(), MVT::i64),
- DAG.getNode(AlphaISD::GlobalBaseReg, MVT::i64));
+ DAG.getTargetExternalSymbol(cast<ExternalSymbolSDNode>(Op)
+ ->getSymbol(), MVT::i64),
+ DAG.getNode(ISD::GLOBAL_OFFSET_TABLE, MVT::i64));
}
case ISD::UREM:
//Expand only on constant case
if (Op.getOperand(1).getOpcode() == ISD::Constant) {
MVT::ValueType VT = Op.Val->getValueType(0);
- unsigned Opc = Op.Val->getOpcode() == ISD::UREM ? ISD::UDIV : ISD::SDIV;
SDOperand Tmp1 = Op.Val->getOpcode() == ISD::UREM ?
BuildUDIV(Op.Val, DAG, NULL) :
BuildSDIV(Op.Val, DAG, NULL);
case ISD::VAARG: {
SDOperand Chain = Op.getOperand(0);
SDOperand VAListP = Op.getOperand(1);
- SDOperand VAListS = Op.getOperand(2);
+ SrcValueSDNode *VAListS = cast<SrcValueSDNode>(Op.getOperand(2));
- SDOperand Base = DAG.getLoad(MVT::i64, Chain, VAListP, VAListS);
+ SDOperand Base = DAG.getLoad(MVT::i64, Chain, VAListP, VAListS->getValue(),
+ VAListS->getOffset());
SDOperand Tmp = DAG.getNode(ISD::ADD, MVT::i64, VAListP,
DAG.getConstant(8, MVT::i64));
SDOperand Offset = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, Base.getValue(1),
- Tmp, DAG.getSrcValue(0), MVT::i32);
+ Tmp, NULL, 0, MVT::i32);
SDOperand DataPtr = DAG.getNode(ISD::ADD, MVT::i64, Base, Offset);
if (MVT::isFloatingPoint(Op.getValueType()))
{
SDOperand NewOffset = DAG.getNode(ISD::ADD, MVT::i64, Offset,
DAG.getConstant(8, MVT::i64));
- SDOperand Update = DAG.getNode(ISD::TRUNCSTORE, MVT::Other,
- Offset.getValue(1), NewOffset,
- Tmp, DAG.getSrcValue(0),
- DAG.getValueType(MVT::i32));
+ SDOperand Update = DAG.getTruncStore(Offset.getValue(1), NewOffset,
+ Tmp, NULL, 0, MVT::i32);
SDOperand Result;
if (Op.getValueType() == MVT::i32)
Result = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, Update, DataPtr,
- DAG.getSrcValue(0), MVT::i32);
+ NULL, 0, MVT::i32);
else
- Result = DAG.getLoad(Op.getValueType(), Update, DataPtr,
- DAG.getSrcValue(0));
+ Result = DAG.getLoad(Op.getValueType(), Update, DataPtr, NULL, 0);
return Result;
}
case ISD::VACOPY: {
SDOperand Chain = Op.getOperand(0);
SDOperand DestP = Op.getOperand(1);
SDOperand SrcP = Op.getOperand(2);
- SDOperand DestS = Op.getOperand(3);
- SDOperand SrcS = Op.getOperand(4);
+ SrcValueSDNode *DestS = cast<SrcValueSDNode>(Op.getOperand(3));
+ SrcValueSDNode *SrcS = cast<SrcValueSDNode>(Op.getOperand(4));
- SDOperand Val = DAG.getLoad(getPointerTy(), Chain, SrcP, SrcS);
- SDOperand Result = DAG.getNode(ISD::STORE, MVT::Other, Val.getValue(1), Val,
- DestP, DestS);
+ SDOperand Val = DAG.getLoad(getPointerTy(), Chain, SrcP,
+ SrcS->getValue(), SrcS->getOffset());
+ SDOperand Result = DAG.getStore(Val.getValue(1), Val, DestP, DestS->getValue(),
+ DestS->getOffset());
SDOperand NP = DAG.getNode(ISD::ADD, MVT::i64, SrcP,
DAG.getConstant(8, MVT::i64));
- Val = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, Result, NP,
- DAG.getSrcValue(0), MVT::i32);
+ Val = DAG.getExtLoad(ISD::SEXTLOAD, MVT::i64, Result, NP, NULL,0, MVT::i32);
SDOperand NPD = DAG.getNode(ISD::ADD, MVT::i64, DestP,
DAG.getConstant(8, MVT::i64));
- return DAG.getNode(ISD::TRUNCSTORE, MVT::Other, Val.getValue(1),
- Val, NPD, DAG.getSrcValue(0),DAG.getValueType(MVT::i32));
+ return DAG.getTruncStore(Val.getValue(1), Val, NPD, NULL, 0, MVT::i32);
}
case ISD::VASTART: {
SDOperand Chain = Op.getOperand(0);
SDOperand VAListP = Op.getOperand(1);
- SDOperand VAListS = Op.getOperand(2);
+ SrcValueSDNode *VAListS = cast<SrcValueSDNode>(Op.getOperand(2));
// vastart stores the address of the VarArgsBase and VarArgsOffset
SDOperand FR = DAG.getFrameIndex(VarArgsBase, MVT::i64);
- SDOperand S1 = DAG.getNode(ISD::STORE, MVT::Other, Chain, FR, VAListP,
- VAListS);
+ SDOperand S1 = DAG.getStore(Chain, FR, VAListP, VAListS->getValue(),
+ VAListS->getOffset());
SDOperand SA2 = DAG.getNode(ISD::ADD, MVT::i64, VAListP,
DAG.getConstant(8, MVT::i64));
- return DAG.getNode(ISD::TRUNCSTORE, MVT::Other, S1,
- DAG.getConstant(VarArgsOffset, MVT::i64), SA2,
- DAG.getSrcValue(0), DAG.getValueType(MVT::i32));
+ return DAG.getTruncStore(S1, DAG.getConstant(VarArgsOffset, MVT::i64),
+ SA2, NULL, 0, MVT::i32);
}
}
projects / oota-llvm.git / blobdiff