//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Chris Lattner and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
-#include "llvm/CodeGen/SSARegMap.h"
#include "llvm/Target/TargetLowering.h"
+#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
-#include <iostream>
+#include <queue>
#include <set>
using namespace llvm;
static SPCC::CondCodes FPCondCCodeToFCC(ISD::CondCode CC) {
switch (CC) {
default: assert(0 && "Unknown fp condition code!");
- case ISD::SETEQ: return SPCC::FCC_E;
- case ISD::SETNE: return SPCC::FCC_NE;
- case ISD::SETLT: return SPCC::FCC_L;
- case ISD::SETGT: return SPCC::FCC_G;
- case ISD::SETLE: return SPCC::FCC_LE;
- case ISD::SETGE: return SPCC::FCC_GE;
+ case ISD::SETEQ:
+ case ISD::SETOEQ: return SPCC::FCC_E;
+ case ISD::SETNE:
+ case ISD::SETUNE: return SPCC::FCC_NE;
+ case ISD::SETLT:
+ case ISD::SETOLT: return SPCC::FCC_L;
+ case ISD::SETGT:
+ case ISD::SETOGT: return SPCC::FCC_G;
+ case ISD::SETLE:
+ case ISD::SETOLE: return SPCC::FCC_LE;
+ case ISD::SETGE:
+ case ISD::SETOGE: return SPCC::FCC_GE;
case ISD::SETULT: return SPCC::FCC_UL;
case ISD::SETULE: return SPCC::FCC_ULE;
case ISD::SETUGT: return SPCC::FCC_UG;
/// in Mask are known to be either zero or one and return them in the
/// KnownZero/KnownOne bitsets.
virtual void computeMaskedBitsForTargetNode(const SDOperand Op,
- uint64_t Mask,
- uint64_t &KnownZero,
- uint64_t &KnownOne,
+ const APInt &Mask,
+ APInt &KnownZero,
+ APInt &KnownOne,
+ const SelectionDAG &DAG,
unsigned Depth = 0) const;
virtual std::vector<SDOperand>
LowerArguments(Function &F, SelectionDAG &DAG);
virtual std::pair<SDOperand, SDOperand>
- LowerCallTo(SDOperand Chain, const Type *RetTy, bool isVarArg,
- unsigned CC,
- bool isTailCall, SDOperand Callee, ArgListTy &Args,
- SelectionDAG &DAG);
- virtual MachineBasicBlock *InsertAtEndOfBasicBlock(MachineInstr *MI,
- MachineBasicBlock *MBB);
+ LowerCallTo(SDOperand Chain, const Type *RetTy,
+ bool RetSExt, bool RetZExt, bool isVarArg,
+ unsigned CC, bool isTailCall, SDOperand Callee,
+ ArgListTy &Args, SelectionDAG &DAG);
+ virtual MachineBasicBlock *EmitInstrWithCustomInserter(MachineInstr *MI,
+ MachineBasicBlock *MBB);
virtual const char *getTargetNodeName(unsigned Opcode) const;
};
addRegisterClass(MVT::f32, SP::FPRegsRegisterClass);
addRegisterClass(MVT::f64, SP::DFPRegsRegisterClass);
+ // Turn FP extload into load/fextend
+ setLoadXAction(ISD::EXTLOAD, MVT::f32, Expand);
+ // Sparc doesn't have i1 sign extending load
+ setLoadXAction(ISD::SEXTLOAD, MVT::i1, Promote);
+ // Turn FP truncstore into trunc + store.
+ setTruncStoreAction(MVT::f64, MVT::f32, Expand);
+
// Custom legalize GlobalAddress nodes into LO/HI parts.
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
+ setOperationAction(ISD::GlobalTLSAddress, MVT::i32, Custom);
setOperationAction(ISD::ConstantPool , MVT::i32, Custom);
// Sparc doesn't have sext_inreg, replace them with shl/sra
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i8 , Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1 , Expand);
- // Sparc has no REM operation.
+ // Sparc has no REM or DIVREM operations.
setOperationAction(ISD::UREM, MVT::i32, Expand);
setOperationAction(ISD::SREM, MVT::i32, Expand);
+ setOperationAction(ISD::SDIVREM, MVT::i32, Expand);
+ setOperationAction(ISD::UDIVREM, MVT::i32, Expand);
// Custom expand fp<->sint
setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom);
setOperationAction(ISD::BIT_CONVERT, MVT::f32, Expand);
setOperationAction(ISD::BIT_CONVERT, MVT::i32, Expand);
- // Turn FP extload into load/fextend
- setOperationAction(ISD::EXTLOAD, MVT::f32, Expand);
-
// Sparc has no select or setcc: expand to SELECT_CC.
setOperationAction(ISD::SELECT, MVT::i32, Expand);
setOperationAction(ISD::SELECT, MVT::f32, Expand);
// Sparc doesn't have BRCOND either, it has BR_CC.
setOperationAction(ISD::BRCOND, MVT::Other, Expand);
- setOperationAction(ISD::BRIND, MVT::i32, Expand);
+ setOperationAction(ISD::BRIND, MVT::Other, Expand);
+ setOperationAction(ISD::BR_JT, MVT::Other, Expand);
setOperationAction(ISD::BR_CC, MVT::i32, Custom);
setOperationAction(ISD::BR_CC, MVT::f32, Custom);
setOperationAction(ISD::BR_CC, MVT::f64, Custom);
setOperationAction(ISD::MEMMOVE, MVT::Other, Expand);
setOperationAction(ISD::MEMSET, MVT::Other, Expand);
setOperationAction(ISD::MEMCPY, MVT::Other, Expand);
-
+ setOperationAction(ISD::MEMBARRIER, MVT::Other, Expand);
+
setOperationAction(ISD::FSIN , MVT::f64, Expand);
setOperationAction(ISD::FCOS , MVT::f64, Expand);
+ setOperationAction(ISD::FREM , MVT::f64, Expand);
setOperationAction(ISD::FSIN , MVT::f32, Expand);
setOperationAction(ISD::FCOS , MVT::f32, Expand);
+ setOperationAction(ISD::FREM , MVT::f32, Expand);
setOperationAction(ISD::CTPOP, MVT::i32, Expand);
setOperationAction(ISD::CTTZ , MVT::i32, Expand);
setOperationAction(ISD::CTLZ , MVT::i32, Expand);
setOperationAction(ISD::BSWAP, MVT::i32, Expand);
setOperationAction(ISD::FCOPYSIGN, MVT::f64, Expand);
setOperationAction(ISD::FCOPYSIGN, MVT::f32, Expand);
+ setOperationAction(ISD::FPOW , MVT::f64, Expand);
+ setOperationAction(ISD::FPOW , MVT::f32, Expand);
setOperationAction(ISD::SHL_PARTS, MVT::i32, Expand);
setOperationAction(ISD::SRA_PARTS, MVT::i32, Expand);
setOperationAction(ISD::SRL_PARTS, MVT::i32, Expand);
+ // FIXME: Sparc provides these multiplies, but we don't have them yet.
+ setOperationAction(ISD::UMUL_LOHI, MVT::i32, Expand);
+
// 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);
// RET must be custom lowered, to meet ABI requirements
setOperationAction(ISD::RET , MVT::Other, Custom);
-
+
// VASTART needs to be custom lowered to use the VarArgsFrameIndex.
setOperationAction(ISD::VASTART , MVT::Other, Custom);
// VAARG needs to be lowered to not do unaligned accesses for doubles.
setOperationAction(ISD::STACKRESTORE , MVT::Other, Expand);
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32 , Custom);
- setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
- setOperationAction(ISD::ConstantFP, MVT::f32, Expand);
-
+ // No debug info support yet.
+ setOperationAction(ISD::LOCATION, MVT::Other, Expand);
+ setOperationAction(ISD::LABEL, MVT::Other, Expand);
+ setOperationAction(ISD::DECLARE, MVT::Other, Expand);
+
setStackPointerRegisterToSaveRestore(SP::O6);
- if (TM.getSubtarget<SparcSubtarget>().isV9()) {
+ if (TM.getSubtarget<SparcSubtarget>().isV9())
setOperationAction(ISD::CTPOP, MVT::i32, Legal);
- }
computeRegisterProperties();
}
/// be zero. Op is expected to be a target specific node. Used by DAG
/// combiner.
void SparcTargetLowering::computeMaskedBitsForTargetNode(const SDOperand Op,
- uint64_t Mask,
- uint64_t &KnownZero,
- uint64_t &KnownOne,
+ const APInt &Mask,
+ APInt &KnownZero,
+ APInt &KnownOne,
+ const SelectionDAG &DAG,
unsigned Depth) const {
- uint64_t KnownZero2, KnownOne2;
- KnownZero = KnownOne = 0; // Don't know anything.
+ APInt KnownZero2, KnownOne2;
+ KnownZero = KnownOne = APInt(Mask.getBitWidth(), 0); // Don't know anything.
switch (Op.getOpcode()) {
default: break;
case SPISD::SELECT_ICC:
case SPISD::SELECT_FCC:
- ComputeMaskedBits(Op.getOperand(1), Mask, KnownZero, KnownOne, Depth+1);
- ComputeMaskedBits(Op.getOperand(0), Mask, KnownZero2, KnownOne2, Depth+1);
+ DAG.ComputeMaskedBits(Op.getOperand(1), Mask, KnownZero, KnownOne,
+ Depth+1);
+ DAG.ComputeMaskedBits(Op.getOperand(0), Mask, KnownZero2, KnownOne2,
+ Depth+1);
assert((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?");
assert((KnownZero2 & KnownOne2) == 0 && "Bits known to be one AND zero?");
std::vector<SDOperand>
SparcTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG) {
MachineFunction &MF = DAG.getMachineFunction();
- SSARegMap *RegMap = MF.getSSARegMap();
+ MachineRegisterInfo &RegInfo = MF.getRegInfo();
std::vector<SDOperand> ArgValues;
static const unsigned ArgRegs[] = {
if (CurArgReg < ArgRegEnd) ++CurArgReg;
ArgValues.push_back(DAG.getNode(ISD::UNDEF, ObjectVT));
} else if (CurArgReg < ArgRegEnd) { // Lives in an incoming GPR
- unsigned VReg = RegMap->createVirtualRegister(&SP::IntRegsRegClass);
- MF.addLiveIn(*CurArgReg++, VReg);
+ unsigned VReg = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
+ MF.getRegInfo().addLiveIn(*CurArgReg++, VReg);
SDOperand Arg = DAG.getCopyFromReg(Root, VReg, MVT::i32);
if (ObjectVT != MVT::i32) {
- unsigned AssertOp = I->getType()->isSigned() ? ISD::AssertSext
- : ISD::AssertZext;
+ unsigned AssertOp = ISD::AssertSext;
Arg = DAG.getNode(AssertOp, MVT::i32, Arg,
DAG.getValueType(ObjectVT));
Arg = DAG.getNode(ISD::TRUNCATE, ObjectVT, Arg);
SDOperand FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
SDOperand Load;
if (ObjectVT == MVT::i32) {
- Load = DAG.getLoad(MVT::i32, Root, FIPtr, DAG.getSrcValue(0));
+ Load = DAG.getLoad(MVT::i32, Root, FIPtr, NULL, 0);
} else {
- unsigned LoadOp =
- I->getType()->isSigned() ? ISD::SEXTLOAD : ISD::ZEXTLOAD;
+ ISD::LoadExtType LoadOp = ISD::SEXTLOAD;
// Sparc is big endian, so add an offset based on the ObjectVT.
unsigned Offset = 4-std::max(1U, MVT::getSizeInBits(ObjectVT)/8);
FIPtr = DAG.getNode(ISD::ADD, MVT::i32, FIPtr,
DAG.getConstant(Offset, MVT::i32));
Load = DAG.getExtLoad(LoadOp, MVT::i32, Root, FIPtr,
- DAG.getSrcValue(0), ObjectVT);
+ NULL, 0, ObjectVT);
Load = DAG.getNode(ISD::TRUNCATE, ObjectVT, Load);
}
ArgValues.push_back(Load);
ArgValues.push_back(DAG.getNode(ISD::UNDEF, ObjectVT));
} else if (CurArgReg < ArgRegEnd) { // Lives in an incoming GPR
// FP value is passed in an integer register.
- unsigned VReg = RegMap->createVirtualRegister(&SP::IntRegsRegClass);
- MF.addLiveIn(*CurArgReg++, VReg);
+ unsigned VReg = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
+ MF.getRegInfo().addLiveIn(*CurArgReg++, VReg);
SDOperand Arg = DAG.getCopyFromReg(Root, VReg, MVT::i32);
Arg = DAG.getNode(ISD::BIT_CONVERT, MVT::f32, Arg);
} else {
int FrameIdx = MF.getFrameInfo()->CreateFixedObject(4, ArgOffset);
SDOperand FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
- SDOperand Load = DAG.getLoad(MVT::f32, Root, FIPtr, DAG.getSrcValue(0));
+ SDOperand Load = DAG.getLoad(MVT::f32, Root, FIPtr, NULL, 0);
ArgValues.push_back(Load);
}
ArgOffset += 4;
// because the double wouldn't be aligned!
int FrameIdx = MF.getFrameInfo()->CreateFixedObject(8, ArgOffset);
SDOperand FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
- ArgValues.push_back(DAG.getLoad(MVT::f64, Root, FIPtr,
- DAG.getSrcValue(0)));
+ ArgValues.push_back(DAG.getLoad(MVT::f64, Root, FIPtr, NULL, 0));
} else {
SDOperand HiVal;
if (CurArgReg < ArgRegEnd) { // Lives in an incoming GPR
- unsigned VRegHi = RegMap->createVirtualRegister(&SP::IntRegsRegClass);
- MF.addLiveIn(*CurArgReg++, VRegHi);
+ unsigned VRegHi = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
+ MF.getRegInfo().addLiveIn(*CurArgReg++, VRegHi);
HiVal = DAG.getCopyFromReg(Root, VRegHi, MVT::i32);
} else {
int FrameIdx = MF.getFrameInfo()->CreateFixedObject(4, ArgOffset);
SDOperand FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
- HiVal = DAG.getLoad(MVT::i32, Root, FIPtr, DAG.getSrcValue(0));
+ HiVal = DAG.getLoad(MVT::i32, Root, FIPtr, NULL, 0);
}
SDOperand LoVal;
if (CurArgReg < ArgRegEnd) { // Lives in an incoming GPR
- unsigned VRegLo = RegMap->createVirtualRegister(&SP::IntRegsRegClass);
- MF.addLiveIn(*CurArgReg++, VRegLo);
+ unsigned VRegLo = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
+ MF.getRegInfo().addLiveIn(*CurArgReg++, VRegLo);
LoVal = DAG.getCopyFromReg(Root, VRegLo, MVT::i32);
} else {
int FrameIdx = MF.getFrameInfo()->CreateFixedObject(4, ArgOffset+4);
SDOperand FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
- LoVal = DAG.getLoad(MVT::i32, Root, FIPtr, DAG.getSrcValue(0));
+ LoVal = DAG.getLoad(MVT::i32, Root, FIPtr, NULL, 0);
}
// Compose the two halves together into an i64 unit.
VarArgsFrameOffset = ArgOffset;
for (; CurArgReg != ArgRegEnd; ++CurArgReg) {
- unsigned VReg = RegMap->createVirtualRegister(&SP::IntRegsRegClass);
- MF.addLiveIn(*CurArgReg, VReg);
+ unsigned VReg = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
+ MF.getRegInfo().addLiveIn(*CurArgReg, VReg);
SDOperand Arg = DAG.getCopyFromReg(DAG.getRoot(), VReg, MVT::i32);
int FrameIdx = MF.getFrameInfo()->CreateFixedObject(4, ArgOffset);
SDOperand FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
- OutChains.push_back(DAG.getNode(ISD::STORE, MVT::Other, DAG.getRoot(),
- Arg, FIPtr, DAG.getSrcValue(0)));
+ OutChains.push_back(DAG.getStore(DAG.getRoot(), Arg, FIPtr, NULL, 0));
ArgOffset += 4;
}
}
if (!OutChains.empty())
- DAG.setRoot(DAG.getNode(ISD::TokenFactor, MVT::Other, OutChains));
+ DAG.setRoot(DAG.getNode(ISD::TokenFactor, MVT::Other,
+ &OutChains[0], OutChains.size()));
// Finally, inform the code generator which regs we return values in.
switch (getValueType(F.getReturnType())) {
case MVT::i8:
case MVT::i16:
case MVT::i32:
- MF.addLiveOut(SP::I0);
+ MF.getRegInfo().addLiveOut(SP::I0);
break;
case MVT::i64:
- MF.addLiveOut(SP::I0);
- MF.addLiveOut(SP::I1);
+ MF.getRegInfo().addLiveOut(SP::I0);
+ MF.getRegInfo().addLiveOut(SP::I1);
break;
case MVT::f32:
- MF.addLiveOut(SP::F0);
+ MF.getRegInfo().addLiveOut(SP::F0);
break;
case MVT::f64:
- MF.addLiveOut(SP::D0);
+ MF.getRegInfo().addLiveOut(SP::D0);
break;
}
std::pair<SDOperand, SDOperand>
SparcTargetLowering::LowerCallTo(SDOperand Chain, const Type *RetTy,
- bool isVarArg, unsigned CC,
- bool isTailCall, SDOperand Callee,
+ bool RetSExt, bool RetZExt, bool isVarArg,
+ unsigned CC, bool isTailCall, SDOperand Callee,
ArgListTy &Args, SelectionDAG &DAG) {
// Count the size of the outgoing arguments.
unsigned ArgsSize = 0;
for (unsigned i = 0, e = Args.size(); i != e; ++i) {
- switch (getValueType(Args[i].second)) {
+ switch (getValueType(Args[i].Ty)) {
default: assert(0 && "Unknown value type!");
case MVT::i1:
case MVT::i8:
Chain = DAG.getCALLSEQ_START(Chain,DAG.getConstant(ArgsSize, getPointerTy()));
- SDOperand StackPtr, NullSV;
+ SDOperand StackPtr;
std::vector<SDOperand> Stores;
std::vector<SDOperand> RegValuesToPass;
unsigned ArgOffset = 68;
for (unsigned i = 0, e = Args.size(); i != e; ++i) {
- SDOperand Val = Args[i].first;
+ SDOperand Val = Args[i].Node;
MVT::ValueType ObjectVT = Val.getValueType();
SDOperand ValToStore(0, 0);
unsigned ObjSize;
default: assert(0 && "Unhandled argument type!");
case MVT::i1:
case MVT::i8:
- case MVT::i16:
+ case MVT::i16: {
// Promote the integer to 32-bits. If the input type is signed, use a
// sign extend, otherwise use a zero extend.
- if (Args[i].second->isSigned())
- Val = DAG.getNode(ISD::SIGN_EXTEND, MVT::i32, Val);
- else
- Val = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, Val);
+ ISD::NodeType ExtendKind = ISD::ANY_EXTEND;
+ if (Args[i].isSExt)
+ ExtendKind = ISD::SIGN_EXTEND;
+ else if (Args[i].isZExt)
+ ExtendKind = ISD::ZERO_EXTEND;
+ Val = DAG.getNode(ExtendKind, MVT::i32, Val);
// FALL THROUGH
+ }
case MVT::i32:
ObjSize = 4;
}
// Split the value into top and bottom part. Top part goes in a reg.
- SDOperand Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Val,
+ SDOperand Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, getPointerTy(), Val,
DAG.getConstant(1, MVT::i32));
- SDOperand Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Val,
+ SDOperand Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, getPointerTy(), Val,
DAG.getConstant(0, MVT::i32));
RegValuesToPass.push_back(Hi);
if (ValToStore.Val) {
if (!StackPtr.Val) {
StackPtr = DAG.getRegister(SP::O6, MVT::i32);
- NullSV = DAG.getSrcValue(NULL);
}
SDOperand PtrOff = DAG.getConstant(ArgOffset, getPointerTy());
PtrOff = DAG.getNode(ISD::ADD, MVT::i32, StackPtr, PtrOff);
- Stores.push_back(DAG.getNode(ISD::STORE, MVT::Other, Chain,
- ValToStore, PtrOff, NullSV));
+ Stores.push_back(DAG.getStore(Chain, ValToStore, PtrOff, NULL, 0));
}
ArgOffset += ObjSize;
}
// Emit all stores, make sure the occur before any copies into physregs.
if (!Stores.empty())
- Chain = DAG.getNode(ISD::TokenFactor, MVT::Other, Stores);
+ Chain = DAG.getNode(ISD::TokenFactor, MVT::Other, &Stores[0],Stores.size());
static const unsigned ArgRegs[] = {
SP::O0, SP::O1, SP::O2, SP::O3, SP::O4, SP::O5
std::vector<MVT::ValueType> NodeTys;
NodeTys.push_back(MVT::Other); // Returns a chain
NodeTys.push_back(MVT::Flag); // Returns a flag for retval copy to use.
- std::vector<SDOperand> Ops;
- Ops.push_back(Chain);
- Ops.push_back(Callee);
- if (InFlag.Val)
- Ops.push_back(InFlag);
- Chain = DAG.getNode(SPISD::CALL, NodeTys, Ops);
+ SDOperand Ops[] = { Chain, Callee, InFlag };
+ Chain = DAG.getNode(SPISD::CALL, NodeTys, Ops, InFlag.Val ? 3 : 2);
InFlag = Chain.getValue(1);
MVT::ValueType RetTyVT = getValueType(RetTy);
default: assert(0 && "Unknown value type to return!");
case MVT::i1:
case MVT::i8:
- case MVT::i16:
+ case MVT::i16: {
RetVal = DAG.getCopyFromReg(Chain, SP::O0, MVT::i32, InFlag);
Chain = RetVal.getValue(1);
// Add a note to keep track of whether it is sign or zero extended.
- RetVal = DAG.getNode(RetTy->isSigned() ? ISD::AssertSext :ISD::AssertZext,
- MVT::i32, RetVal, DAG.getValueType(RetTyVT));
+ ISD::NodeType AssertKind = ISD::DELETED_NODE;
+ if (RetSExt)
+ AssertKind = ISD::AssertSext;
+ else if (RetZExt)
+ AssertKind = ISD::AssertZext;
+
+ if (AssertKind != ISD::DELETED_NODE)
+ RetVal = DAG.getNode(AssertKind, MVT::i32, RetVal,
+ DAG.getValueType(RetTyVT));
+
RetVal = DAG.getNode(ISD::TRUNCATE, RetTyVT, RetVal);
break;
+ }
case MVT::i32:
RetVal = DAG.getCopyFromReg(Chain, SP::O0, MVT::i32, InFlag);
Chain = RetVal.getValue(1);
}
}
- Chain = DAG.getNode(ISD::CALLSEQ_END, MVT::Other, Chain,
- DAG.getConstant(ArgsSize, getPointerTy()));
-
+ Chain = DAG.getCALLSEQ_END(Chain,
+ DAG.getConstant(ArgsSize, getPointerTy()),
+ DAG.getConstant(0, getPointerTy()),
+ SDOperand());
return std::make_pair(RetVal, Chain);
}
LowerOperation(SDOperand Op, SelectionDAG &DAG) {
switch (Op.getOpcode()) {
default: assert(0 && "Should not custom lower this!");
+ case ISD::GlobalTLSAddress:
+ assert(0 && "TLS not implemented for Sparc.");
case ISD::GlobalAddress: {
GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
SDOperand GA = DAG.getTargetGlobalAddress(GV, MVT::i32);
return DAG.getNode(ISD::ADD, MVT::i32, Lo, Hi);
}
case ISD::ConstantPool: {
- Constant *C = cast<ConstantPoolSDNode>(Op)->get();
+ Constant *C = cast<ConstantPoolSDNode>(Op)->getConstVal();
SDOperand CP = DAG.getTargetConstantPool(C, MVT::i32,
cast<ConstantPoolSDNode>(Op)->getAlignment());
SDOperand Hi = DAG.getNode(SPISD::Hi, MVT::i32, CP);
std::vector<MVT::ValueType> VTs;
VTs.push_back(MVT::i32);
VTs.push_back(MVT::Flag);
- std::vector<SDOperand> Ops;
- Ops.push_back(LHS);
- Ops.push_back(RHS);
- CompareFlag = DAG.getNode(SPISD::CMPICC, VTs, Ops).getValue(1);
+ SDOperand Ops[2] = { LHS, RHS };
+ CompareFlag = DAG.getNode(SPISD::CMPICC, VTs, Ops, 2).getValue(1);
if (SPCC == ~0U) SPCC = IntCondCCodeToICC(CC);
Opc = SPISD::BRICC;
} else {
std::vector<MVT::ValueType> VTs;
VTs.push_back(LHS.getValueType()); // subcc returns a value
VTs.push_back(MVT::Flag);
- std::vector<SDOperand> Ops;
- Ops.push_back(LHS);
- Ops.push_back(RHS);
- CompareFlag = DAG.getNode(SPISD::CMPICC, VTs, Ops).getValue(1);
+ SDOperand Ops[2] = { LHS, RHS };
+ CompareFlag = DAG.getNode(SPISD::CMPICC, VTs, Ops, 2).getValue(1);
Opc = SPISD::SELECT_ICC;
if (SPCC == ~0U) SPCC = IntCondCCodeToICC(CC);
} else {
SDOperand Offset = DAG.getNode(ISD::ADD, MVT::i32,
DAG.getRegister(SP::I6, MVT::i32),
DAG.getConstant(VarArgsFrameOffset, MVT::i32));
- return DAG.getNode(ISD::STORE, MVT::Other, Op.getOperand(0), Offset,
- Op.getOperand(1), Op.getOperand(2));
+ const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
+ return DAG.getStore(Op.getOperand(0), Offset, Op.getOperand(1), SV, 0);
}
case ISD::VAARG: {
SDNode *Node = Op.Val;
MVT::ValueType VT = Node->getValueType(0);
SDOperand InChain = Node->getOperand(0);
SDOperand VAListPtr = Node->getOperand(1);
- SDOperand VAList = DAG.getLoad(getPointerTy(), InChain, VAListPtr,
- Node->getOperand(2));
+ const Value *SV = cast<SrcValueSDNode>(Node->getOperand(2))->getValue();
+ SDOperand VAList = DAG.getLoad(getPointerTy(), InChain, VAListPtr, SV, 0);
// Increment the pointer, VAList, to the next vaarg
SDOperand NextPtr = DAG.getNode(ISD::ADD, getPointerTy(), VAList,
DAG.getConstant(MVT::getSizeInBits(VT)/8,
getPointerTy()));
// Store the incremented VAList to the legalized pointer
- InChain = DAG.getNode(ISD::STORE, MVT::Other, VAList.getValue(1), NextPtr,
- VAListPtr, Node->getOperand(2));
+ InChain = DAG.getStore(VAList.getValue(1), NextPtr,
+ VAListPtr, SV, 0);
// Load the actual argument out of the pointer VAList, unless this is an
// f64 load.
if (VT != MVT::f64) {
- return DAG.getLoad(VT, InChain, VAList, DAG.getSrcValue(0));
+ return DAG.getLoad(VT, InChain, VAList, NULL, 0);
} else {
// Otherwise, load it as i64, then do a bitconvert.
- SDOperand V = DAG.getLoad(MVT::i64, InChain, VAList, DAG.getSrcValue(0));
+ SDOperand V = DAG.getLoad(MVT::i64, InChain, VAList, NULL, 0);
std::vector<MVT::ValueType> Tys;
Tys.push_back(MVT::f64);
Tys.push_back(MVT::Other);
- std::vector<SDOperand> Ops;
// Bit-Convert the value to f64.
- Ops.push_back(DAG.getNode(ISD::BIT_CONVERT, MVT::f64, V));
- Ops.push_back(V.getValue(1));
- return DAG.getNode(ISD::MERGE_VALUES, Tys, Ops);
+ SDOperand Ops[2] = { DAG.getNode(ISD::BIT_CONVERT, MVT::f64, V),
+ V.getValue(1) };
+ return DAG.getNode(ISD::MERGE_VALUES, Tys, Ops, 2);
}
}
case ISD::DYNAMIC_STACKALLOC: {
std::vector<MVT::ValueType> Tys;
Tys.push_back(MVT::i32);
Tys.push_back(MVT::Other);
- std::vector<SDOperand> Ops;
- Ops.push_back(NewVal);
- Ops.push_back(Chain);
- return DAG.getNode(ISD::MERGE_VALUES, Tys, Ops);
+ SDOperand Ops[2] = { NewVal, Chain };
+ return DAG.getNode(ISD::MERGE_VALUES, Tys, Ops, 2);
}
case ISD::RET: {
SDOperand Copy;
abort();
case 1:
return SDOperand(); // ret void is legal
- case 2: {
+ case 3: {
unsigned ArgReg;
switch(Op.getOperand(1).getValueType()) {
default: assert(0 && "Unknown type to return!");
SDOperand());
break;
}
- case 3:
- Copy = DAG.getCopyToReg(Op.getOperand(0), SP::I0, Op.getOperand(2),
+ case 5:
+ Copy = DAG.getCopyToReg(Op.getOperand(0), SP::I0, Op.getOperand(3),
SDOperand());
Copy = DAG.getCopyToReg(Copy, SP::I1, Op.getOperand(1), Copy.getValue(1));
break;
}
return DAG.getNode(SPISD::RET_FLAG, MVT::Other, Copy, Copy.getValue(1));
}
+ // Frame & Return address. Currently unimplemented
+ case ISD::RETURNADDR: break;
+ case ISD::FRAMEADDR: break;
}
+ return SDOperand();
}
MachineBasicBlock *
-SparcTargetLowering::InsertAtEndOfBasicBlock(MachineInstr *MI,
- MachineBasicBlock *BB) {
+SparcTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
+ MachineBasicBlock *BB) {
+ const TargetInstrInfo &TII = *getTargetMachine().getInstrInfo();
unsigned BROpcode;
unsigned CC;
// Figure out the conditional branch opcode to use for this select_cc.
break;
}
- CC = (SPCC::CondCodes)MI->getOperand(3).getImmedValue();
+ CC = (SPCC::CondCodes)MI->getOperand(3).getImm();
// To "insert" a SELECT_CC instruction, we actually have to insert the diamond
// control-flow pattern. The incoming instruction knows the destination vreg
MachineBasicBlock *thisMBB = BB;
MachineBasicBlock *copy0MBB = new MachineBasicBlock(LLVM_BB);
MachineBasicBlock *sinkMBB = new MachineBasicBlock(LLVM_BB);
- BuildMI(BB, BROpcode, 2).addMBB(sinkMBB).addImm(CC);
+ BuildMI(BB, TII.get(BROpcode)).addMBB(sinkMBB).addImm(CC);
MachineFunction *F = BB->getParent();
F->getBasicBlockList().insert(It, copy0MBB);
F->getBasicBlockList().insert(It, sinkMBB);
// %Result = phi [ %FalseValue, copy0MBB ], [ %TrueValue, thisMBB ]
// ...
BB = sinkMBB;
- BuildMI(BB, SP::PHI, 4, MI->getOperand(0).getReg())
+ BuildMI(BB, TII.get(SP::PHI), MI->getOperand(0).getReg())
.addReg(MI->getOperand(2).getReg()).addMBB(copy0MBB)
.addReg(MI->getOperand(1).getReg()).addMBB(thisMBB);
Subtarget(TM.getSubtarget<SparcSubtarget>()) {
}
- void Select(SDOperand &Result, SDOperand Op);
+ SDNode *Select(SDOperand Op);
// Complex Pattern Selectors.
- bool SelectADDRrr(SDOperand N, SDOperand &R1, SDOperand &R2);
- bool SelectADDRri(SDOperand N, SDOperand &Base, SDOperand &Offset);
+ bool SelectADDRrr(SDOperand Op, SDOperand N, SDOperand &R1, SDOperand &R2);
+ bool SelectADDRri(SDOperand Op, SDOperand N, SDOperand &Base,
+ SDOperand &Offset);
/// InstructionSelectBasicBlock - This callback is invoked by
/// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
// Select target instructions for the DAG.
DAG.setRoot(SelectRoot(DAG.getRoot()));
- assert(InFlightSet.empty() && "ISel InFlightSet has not been emptied!");
- CodeGenMap.clear();
- HandleMap.clear();
- ReplaceMap.clear();
DAG.RemoveDeadNodes();
// Emit machine code to BB.
ScheduleAndEmitDAG(DAG);
}
-bool SparcDAGToDAGISel::SelectADDRri(SDOperand Addr, SDOperand &Base,
- SDOperand &Offset) {
+bool SparcDAGToDAGISel::SelectADDRri(SDOperand Op, SDOperand Addr,
+ SDOperand &Base, SDOperand &Offset) {
if (FrameIndexSDNode *FIN = dyn_cast<FrameIndexSDNode>(Addr)) {
Base = CurDAG->getTargetFrameIndex(FIN->getIndex(), MVT::i32);
Offset = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
-bool SparcDAGToDAGISel::SelectADDRrr(SDOperand Addr, SDOperand &R1,
- SDOperand &R2) {
+bool SparcDAGToDAGISel::SelectADDRrr(SDOperand Op, SDOperand Addr,
+ SDOperand &R1, SDOperand &R2) {
if (Addr.getOpcode() == ISD::FrameIndex) return false;
if (Addr.getOpcode() == ISD::TargetExternalSymbol ||
Addr.getOpcode() == ISD::TargetGlobalAddress)
return true;
}
-void SparcDAGToDAGISel::Select(SDOperand &Result, SDOperand Op) {
+SDNode *SparcDAGToDAGISel::Select(SDOperand Op) {
SDNode *N = Op.Val;
if (N->getOpcode() >= ISD::BUILTIN_OP_END &&
- N->getOpcode() < SPISD::FIRST_NUMBER) {
- Result = Op;
- return; // Already selected.
- }
+ N->getOpcode() < SPISD::FIRST_NUMBER)
+ return NULL; // Already selected.
- // If this has already been converted, use it.
- std::map<SDOperand, SDOperand>::iterator CGMI = CodeGenMap.find(Op);
- if (CGMI != CodeGenMap.end()) {
- Result = CGMI->second;
- return;
- }
-
switch (N->getOpcode()) {
default: break;
case ISD::SDIV:
case ISD::UDIV: {
// FIXME: should use a custom expander to expose the SRA to the dag.
- SDOperand DivLHS, DivRHS;
- Select(DivLHS, N->getOperand(0));
- Select(DivRHS, N->getOperand(1));
+ SDOperand DivLHS = N->getOperand(0);
+ SDOperand DivRHS = N->getOperand(1);
+ AddToISelQueue(DivLHS);
+ AddToISelQueue(DivRHS);
// Set the Y register to the high-part.
SDOperand TopPart;
// FIXME: Handle div by immediate.
unsigned Opcode = N->getOpcode() == ISD::SDIV ? SP::SDIVrr : SP::UDIVrr;
- Result = CurDAG->SelectNodeTo(N, Opcode, MVT::i32, DivLHS, DivRHS, TopPart);
- return;
+ return CurDAG->SelectNodeTo(N, Opcode, MVT::i32, DivLHS, DivRHS,
+ TopPart);
}
case ISD::MULHU:
case ISD::MULHS: {
// FIXME: Handle mul by immediate.
- SDOperand MulLHS, MulRHS;
- Select(MulLHS, N->getOperand(0));
- Select(MulRHS, N->getOperand(1));
+ SDOperand MulLHS = N->getOperand(0);
+ SDOperand MulRHS = N->getOperand(1);
+ AddToISelQueue(MulLHS);
+ AddToISelQueue(MulRHS);
unsigned Opcode = N->getOpcode() == ISD::MULHU ? SP::UMULrr : SP::SMULrr;
SDNode *Mul = CurDAG->getTargetNode(Opcode, MVT::i32, MVT::Flag,
MulLHS, MulRHS);
// The high part is in the Y register.
- Result = CurDAG->SelectNodeTo(N, SP::RDY, MVT::i32, SDOperand(Mul, 1));
- return;
+ return CurDAG->SelectNodeTo(N, SP::RDY, MVT::i32, SDOperand(Mul, 1));
+ return NULL;
}
}
- SelectCode(Result, Op);
+ return SelectCode(Op);
}
projects / oota-llvm.git / blobdiff