#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/SelectionDAG.h"
+#include "llvm/ADT/VectorExtras.h"
+#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
SmallVector<CCValAssign, 16> RVLocs;
unsigned CC = DAG.getMachineFunction().getFunction()->getCallingConv();
bool isVarArg = DAG.getMachineFunction().getFunction()->isVarArg();
+ DebugLoc dl = Op.getDebugLoc();
// CCState - Info about the registers and stack slot.
- CCState CCInfo(CC, isVarArg, DAG.getTarget(), RVLocs);
+ CCState CCInfo(CC, isVarArg, DAG.getTarget(), RVLocs, *DAG.getContext());
// Analize return values of ISD::RET
CCInfo.AnalyzeReturn(Op.getNode(), RetCC_Sparc32);
// ISD::RET => ret chain, (regnum1,val1), ...
// So i*2+1 index only the regnums.
- Chain = DAG.getCopyToReg(Chain, VA.getLocReg(), Op.getOperand(i*2+1), Flag);
+ Chain = DAG.getCopyToReg(Chain, dl, VA.getLocReg(),
+ Op.getOperand(i*2+1), Flag);
// Guarantee that all emitted copies are stuck together with flags.
Flag = Chain.getValue(1);
}
if (Flag.getNode())
- return DAG.getNode(SPISD::RET_FLAG, MVT::Other, Chain, Flag);
- return DAG.getNode(SPISD::RET_FLAG, MVT::Other, Chain);
+ return DAG.getNode(SPISD::RET_FLAG, dl, MVT::Other, Chain, Flag);
+ return DAG.getNode(SPISD::RET_FLAG, dl, MVT::Other, Chain);
}
/// LowerArguments - V8 uses a very simple ABI, where all values are passed in
/// either one or two GPRs, including FP values. TODO: we should pass FP values
/// in FP registers for fastcc functions.
-void
-SparcTargetLowering::LowerArguments(Function &F, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &ArgValues) {
+SDValue
+SparcTargetLowering::LowerFORMAL_ARGUMENTS(SDValue Op,
+ SelectionDAG &DAG) {
MachineFunction &MF = DAG.getMachineFunction();
MachineRegisterInfo &RegInfo = MF.getRegInfo();
+ SDValue Root = Op.getOperand(0);
+ bool isVarArg = cast<ConstantSDNode>(Op.getOperand(2))->getZExtValue() != 0;
+ unsigned CC = MF.getFunction()->getCallingConv();
+ DebugLoc dl = Op.getDebugLoc();
+
+ // Assign locations to all of the incoming arguments.
+ SmallVector<CCValAssign, 16> ArgLocs;
+ CCState CCInfo(CC, isVarArg, getTargetMachine(), ArgLocs, *DAG.getContext());
+ CCInfo.AnalyzeFormalArguments(Op.getNode(), CC_Sparc32);
static const unsigned ArgRegs[] = {
SP::I0, SP::I1, SP::I2, SP::I3, SP::I4, SP::I5
};
-
const unsigned *CurArgReg = ArgRegs, *ArgRegEnd = ArgRegs+6;
unsigned ArgOffset = 68;
- SDValue Root = DAG.getRoot();
- std::vector<SDValue> OutChains;
-
- for (Function::arg_iterator I = F.arg_begin(), E = F.arg_end(); I != E; ++I) {
- MVT ObjectVT = getValueType(I->getType());
-
+ SmallVector<SDValue, 16> ArgValues;
+ for (unsigned i = 0, e = ArgLocs.size(); i != e; ++i) {
+ SDValue ArgValue;
+ CCValAssign &VA = ArgLocs[i];
+ // FIXME: We ignore the register assignments of AnalyzeFormalArguments
+ // because it doesn't know how to split a double into two i32 registers.
+ MVT ObjectVT = VA.getValVT();
switch (ObjectVT.getSimpleVT()) {
- default: assert(0 && "Unhandled argument type!");
+ default: llvm_unreachable("Unhandled argument type!");
case MVT::i1:
case MVT::i8:
case MVT::i16:
case MVT::i32:
- if (I->use_empty()) { // Argument is dead.
- if (CurArgReg < ArgRegEnd) ++CurArgReg;
- ArgValues.push_back(DAG.getNode(ISD::UNDEF, ObjectVT));
- } else if (CurArgReg < ArgRegEnd) { // Lives in an incoming GPR
+ if (CurArgReg < ArgRegEnd) { // Lives in an incoming GPR
unsigned VReg = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
MF.getRegInfo().addLiveIn(*CurArgReg++, VReg);
- SDValue Arg = DAG.getCopyFromReg(Root, VReg, MVT::i32);
+ SDValue Arg = DAG.getCopyFromReg(Root, dl, VReg, MVT::i32);
if (ObjectVT != MVT::i32) {
unsigned AssertOp = ISD::AssertSext;
- Arg = DAG.getNode(AssertOp, MVT::i32, Arg,
+ Arg = DAG.getNode(AssertOp, dl, MVT::i32, Arg,
DAG.getValueType(ObjectVT));
- Arg = DAG.getNode(ISD::TRUNCATE, ObjectVT, Arg);
+ Arg = DAG.getNode(ISD::TRUNCATE, dl, ObjectVT, Arg);
}
ArgValues.push_back(Arg);
} else {
SDValue FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
SDValue Load;
if (ObjectVT == MVT::i32) {
- Load = DAG.getLoad(MVT::i32, Root, FIPtr, NULL, 0);
+ Load = DAG.getLoad(MVT::i32, dl, Root, FIPtr, NULL, 0);
} else {
ISD::LoadExtType LoadOp = ISD::SEXTLOAD;
// Sparc is big endian, so add an offset based on the ObjectVT.
unsigned Offset = 4-std::max(1U, ObjectVT.getSizeInBits()/8);
- FIPtr = DAG.getNode(ISD::ADD, MVT::i32, FIPtr,
+ FIPtr = DAG.getNode(ISD::ADD, dl, MVT::i32, FIPtr,
DAG.getConstant(Offset, MVT::i32));
- Load = DAG.getExtLoad(LoadOp, MVT::i32, Root, FIPtr,
+ Load = DAG.getExtLoad(LoadOp, dl, MVT::i32, Root, FIPtr,
NULL, 0, ObjectVT);
- Load = DAG.getNode(ISD::TRUNCATE, ObjectVT, Load);
+ Load = DAG.getNode(ISD::TRUNCATE, dl, ObjectVT, Load);
}
ArgValues.push_back(Load);
}
ArgOffset += 4;
break;
case MVT::f32:
- if (I->use_empty()) { // Argument is dead.
- if (CurArgReg < ArgRegEnd) ++CurArgReg;
- ArgValues.push_back(DAG.getNode(ISD::UNDEF, ObjectVT));
- } else if (CurArgReg < ArgRegEnd) { // Lives in an incoming GPR
+ if (CurArgReg < ArgRegEnd) { // Lives in an incoming GPR
// FP value is passed in an integer register.
unsigned VReg = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
MF.getRegInfo().addLiveIn(*CurArgReg++, VReg);
- SDValue Arg = DAG.getCopyFromReg(Root, VReg, MVT::i32);
+ SDValue Arg = DAG.getCopyFromReg(Root, dl, VReg, MVT::i32);
- Arg = DAG.getNode(ISD::BIT_CONVERT, MVT::f32, Arg);
+ Arg = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f32, Arg);
ArgValues.push_back(Arg);
} else {
int FrameIdx = MF.getFrameInfo()->CreateFixedObject(4, ArgOffset);
SDValue FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
- SDValue Load = DAG.getLoad(MVT::f32, Root, FIPtr, NULL, 0);
+ SDValue Load = DAG.getLoad(MVT::f32, dl, Root, FIPtr, NULL, 0);
ArgValues.push_back(Load);
}
ArgOffset += 4;
case MVT::i64:
case MVT::f64:
- if (I->use_empty()) { // Argument is dead.
- if (CurArgReg < ArgRegEnd) ++CurArgReg;
- if (CurArgReg < ArgRegEnd) ++CurArgReg;
- ArgValues.push_back(DAG.getNode(ISD::UNDEF, ObjectVT));
- } else {
+ {
SDValue HiVal;
if (CurArgReg < ArgRegEnd) { // Lives in an incoming GPR
unsigned VRegHi = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
MF.getRegInfo().addLiveIn(*CurArgReg++, VRegHi);
- HiVal = DAG.getCopyFromReg(Root, VRegHi, MVT::i32);
+ HiVal = DAG.getCopyFromReg(Root, dl, VRegHi, MVT::i32);
} else {
int FrameIdx = MF.getFrameInfo()->CreateFixedObject(4, ArgOffset);
SDValue FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
- HiVal = DAG.getLoad(MVT::i32, Root, FIPtr, NULL, 0);
+ HiVal = DAG.getLoad(MVT::i32, dl, Root, FIPtr, NULL, 0);
}
SDValue LoVal;
if (CurArgReg < ArgRegEnd) { // Lives in an incoming GPR
unsigned VRegLo = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
MF.getRegInfo().addLiveIn(*CurArgReg++, VRegLo);
- LoVal = DAG.getCopyFromReg(Root, VRegLo, MVT::i32);
+ LoVal = DAG.getCopyFromReg(Root, dl, VRegLo, MVT::i32);
} else {
int FrameIdx = MF.getFrameInfo()->CreateFixedObject(4, ArgOffset+4);
SDValue FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
- LoVal = DAG.getLoad(MVT::i32, Root, FIPtr, NULL, 0);
+ LoVal = DAG.getLoad(MVT::i32, dl, Root, FIPtr, NULL, 0);
}
// Compose the two halves together into an i64 unit.
SDValue WholeValue =
- DAG.getNode(ISD::BUILD_PAIR, MVT::i64, LoVal, HiVal);
+ DAG.getNode(ISD::BUILD_PAIR, dl, MVT::i64, LoVal, HiVal);
// If we want a double, do a bit convert.
if (ObjectVT == MVT::f64)
- WholeValue = DAG.getNode(ISD::BIT_CONVERT, MVT::f64, WholeValue);
+ WholeValue = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f64, WholeValue);
ArgValues.push_back(WholeValue);
}
}
// Store remaining ArgRegs to the stack if this is a varargs function.
- if (F.isVarArg()) {
+ if (isVarArg) {
// Remember the vararg offset for the va_start implementation.
VarArgsFrameOffset = ArgOffset;
+ std::vector<SDValue> OutChains;
+
for (; CurArgReg != ArgRegEnd; ++CurArgReg) {
unsigned VReg = RegInfo.createVirtualRegister(&SP::IntRegsRegClass);
MF.getRegInfo().addLiveIn(*CurArgReg, VReg);
- SDValue Arg = DAG.getCopyFromReg(DAG.getRoot(), VReg, MVT::i32);
+ SDValue Arg = DAG.getCopyFromReg(DAG.getRoot(), dl, VReg, MVT::i32);
int FrameIdx = MF.getFrameInfo()->CreateFixedObject(4, ArgOffset);
SDValue FIPtr = DAG.getFrameIndex(FrameIdx, MVT::i32);
- OutChains.push_back(DAG.getStore(DAG.getRoot(), Arg, FIPtr, NULL, 0));
+ OutChains.push_back(DAG.getStore(DAG.getRoot(), dl, Arg, FIPtr, NULL, 0));
ArgOffset += 4;
}
+
+ if (!OutChains.empty()) {
+ OutChains.push_back(Root);
+ Root = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
+ &OutChains[0], OutChains.size());
+ }
}
- if (!OutChains.empty())
- DAG.setRoot(DAG.getNode(ISD::TokenFactor, MVT::Other,
- &OutChains[0], OutChains.size()));
+ ArgValues.push_back(Root);
+
+ // Return the new list of results.
+ return DAG.getNode(ISD::MERGE_VALUES, dl, Op.getNode()->getVTList(),
+ &ArgValues[0], ArgValues.size()).getValue(Op.getResNo());
}
static SDValue LowerCALL(SDValue Op, SelectionDAG &DAG) {
SDValue Chain = TheCall->getChain();
SDValue Callee = TheCall->getCallee();
bool isVarArg = TheCall->isVarArg();
+ DebugLoc dl = TheCall->getDebugLoc();
#if 0
// Analyze operands of the call, assigning locations to each operand.
unsigned ArgsSize = 0;
for (unsigned i = 0, e = TheCall->getNumArgs(); i != e; ++i) {
switch (TheCall->getArg(i).getValueType().getSimpleVT()) {
- default: assert(0 && "Unknown value type!");
+ default: llvm_unreachable("Unknown value type!");
case MVT::i1:
case MVT::i8:
case MVT::i16:
// Keep stack frames 8-byte aligned.
ArgsSize = (ArgsSize+7) & ~7;
- Chain = DAG.getCALLSEQ_START(Chain, DAG.getIntPtrConstant(ArgsSize));
+ Chain = DAG.getCALLSEQ_START(Chain, DAG.getIntPtrConstant(ArgsSize, true));
SmallVector<std::pair<unsigned, SDValue>, 8> RegsToPass;
SmallVector<SDValue, 8> MemOpChains;
// Promote the value if needed.
switch (VA.getLocInfo()) {
- default: assert(0 && "Unknown loc info!");
+ default: llvm_unreachable("Unknown loc info!");
case CCValAssign::Full: break;
case CCValAssign::SExt:
Arg = DAG.getNode(ISD::SIGN_EXTEND, VA.getLocVT(), Arg);
SDValue ValToStore(0, 0);
unsigned ObjSize;
switch (ObjectVT.getSimpleVT()) {
- default: assert(0 && "Unhandled argument type!");
+ default: llvm_unreachable("Unhandled argument type!");
case MVT::i32:
ObjSize = 4;
ValToStore = Val;
} else {
// Convert this to a FP value in an int reg.
- Val = DAG.getNode(ISD::BIT_CONVERT, MVT::i32, Val);
+ Val = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i32, Val);
RegsToPass.push_back(std::make_pair(ArgRegs[RegsToPass.size()], Val));
}
break;
- case MVT::f64:
+ case MVT::f64: {
ObjSize = 8;
- // Otherwise, convert this to a FP value in int regs.
- Val = DAG.getNode(ISD::BIT_CONVERT, MVT::i64, Val);
- // FALL THROUGH
- case MVT::i64:
+ if (RegsToPass.size() >= 6) {
+ ValToStore = Val; // Whole thing is passed in memory.
+ break;
+ }
+
+ // Break into top and bottom parts by storing to the stack and loading
+ // out the parts as integers. Top part goes in a reg.
+ SDValue StackPtr = DAG.CreateStackTemporary(MVT::f64, MVT::i32);
+ SDValue Store = DAG.getStore(DAG.getEntryNode(), dl,
+ Val, StackPtr, NULL, 0);
+ // Sparc is big-endian, so the high part comes first.
+ SDValue Hi = DAG.getLoad(MVT::i32, dl, Store, StackPtr, NULL, 0, 0);
+ // Increment the pointer to the other half.
+ StackPtr = DAG.getNode(ISD::ADD, dl, StackPtr.getValueType(), StackPtr,
+ DAG.getIntPtrConstant(4));
+ // Load the low part.
+ SDValue Lo = DAG.getLoad(MVT::i32, dl, Store, StackPtr, NULL, 0, 0);
+
+ RegsToPass.push_back(std::make_pair(ArgRegs[RegsToPass.size()], Hi));
+
+ if (RegsToPass.size() >= 6) {
+ ValToStore = Lo;
+ ArgOffset += 4;
+ ObjSize = 4;
+ } else {
+ RegsToPass.push_back(std::make_pair(ArgRegs[RegsToPass.size()], Lo));
+ }
+ break;
+ }
+ case MVT::i64: {
ObjSize = 8;
if (RegsToPass.size() >= 6) {
ValToStore = Val; // Whole thing is passed in memory.
}
// Split the value into top and bottom part. Top part goes in a reg.
- SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Val,
+ SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Val,
DAG.getConstant(1, MVT::i32));
- SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, MVT::i32, Val,
+ SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Val,
DAG.getConstant(0, MVT::i32));
RegsToPass.push_back(std::make_pair(ArgRegs[RegsToPass.size()], Hi));
}
break;
}
+ }
if (ValToStore.getNode()) {
SDValue StackPtr = DAG.getRegister(SP::O6, MVT::i32);
SDValue PtrOff = DAG.getConstant(ArgOffset, MVT::i32);
- PtrOff = DAG.getNode(ISD::ADD, MVT::i32, StackPtr, PtrOff);
- MemOpChains.push_back(DAG.getStore(Chain, ValToStore, PtrOff, NULL, 0));
+ PtrOff = DAG.getNode(ISD::ADD, dl, MVT::i32, StackPtr, PtrOff);
+ MemOpChains.push_back(DAG.getStore(Chain, dl, ValToStore,
+ PtrOff, NULL, 0));
}
ArgOffset += ObjSize;
}
// Emit all stores, make sure the occur before any copies into physregs.
if (!MemOpChains.empty())
- Chain = DAG.getNode(ISD::TokenFactor, MVT::Other,
+ Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
&MemOpChains[0], MemOpChains.size());
// Build a sequence of copy-to-reg nodes chained together with token
if (Reg >= SP::I0 && Reg <= SP::I7)
Reg = Reg-SP::I0+SP::O0;
- Chain = DAG.getCopyToReg(Chain, Reg, RegsToPass[i].second, InFlag);
+ Chain = DAG.getCopyToReg(Chain, dl, Reg, RegsToPass[i].second, InFlag);
InFlag = Chain.getValue(1);
}
NodeTys.push_back(MVT::Other); // Returns a chain
NodeTys.push_back(MVT::Flag); // Returns a flag for retval copy to use.
SDValue Ops[] = { Chain, Callee, InFlag };
- Chain = DAG.getNode(SPISD::CALL, NodeTys, Ops, InFlag.getNode() ? 3 : 2);
+ Chain = DAG.getNode(SPISD::CALL, dl, NodeTys, Ops, InFlag.getNode() ? 3 : 2);
InFlag = Chain.getValue(1);
- Chain = DAG.getCALLSEQ_END(Chain,
- DAG.getConstant(ArgsSize, MVT::i32),
- DAG.getConstant(0, MVT::i32), InFlag);
+ Chain = DAG.getCALLSEQ_END(Chain, DAG.getIntPtrConstant(ArgsSize, true),
+ DAG.getIntPtrConstant(0, true), InFlag);
InFlag = Chain.getValue(1);
// Assign locations to each value returned by this call.
SmallVector<CCValAssign, 16> RVLocs;
- CCState RVInfo(CallingConv, isVarArg, DAG.getTarget(), RVLocs);
+ CCState RVInfo(CallingConv, isVarArg, DAG.getTarget(),
+ RVLocs, *DAG.getContext());
RVInfo.AnalyzeCallResult(TheCall, RetCC_Sparc32);
SmallVector<SDValue, 8> ResultVals;
if (Reg >= SP::I0 && Reg <= SP::I7)
Reg = Reg-SP::I0+SP::O0;
- Chain = DAG.getCopyFromReg(Chain, Reg,
+ Chain = DAG.getCopyFromReg(Chain, dl, Reg,
RVLocs[i].getValVT(), InFlag).getValue(1);
InFlag = Chain.getValue(2);
ResultVals.push_back(Chain.getValue(0));
ResultVals.push_back(Chain);
// Merge everything together with a MERGE_VALUES node.
- return DAG.getMergeValues(TheCall->getVTList(), &ResultVals[0],
- ResultVals.size());
+ return DAG.getNode(ISD::MERGE_VALUES, dl,
+ TheCall->getVTList(), &ResultVals[0],
+ ResultVals.size());
}
/// condition.
static SPCC::CondCodes IntCondCCodeToICC(ISD::CondCode CC) {
switch (CC) {
- default: assert(0 && "Unknown integer condition code!");
+ default: llvm_unreachable("Unknown integer condition code!");
case ISD::SETEQ: return SPCC::ICC_E;
case ISD::SETNE: return SPCC::ICC_NE;
case ISD::SETLT: return SPCC::ICC_L;
/// FCC condition.
static SPCC::CondCodes FPCondCCodeToFCC(ISD::CondCode CC) {
switch (CC) {
- default: assert(0 && "Unknown fp condition code!");
+ default: llvm_unreachable("Unknown fp condition code!");
case ISD::SETEQ:
case ISD::SETOEQ: return SPCC::FCC_E;
case ISD::SETNE:
addRegisterClass(MVT::f64, SP::DFPRegsRegisterClass);
// Turn FP extload into load/fextend
- setLoadXAction(ISD::EXTLOAD, MVT::f32, Expand);
+ setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
// Sparc doesn't have i1 sign extending load
- setLoadXAction(ISD::SEXTLOAD, MVT::i1, Promote);
+ setLoadExtAction(ISD::SEXTLOAD, MVT::i1, Promote);
// Turn FP truncstore into trunc + store.
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
// FIXME: Sparc provides these multiplies, but we don't have them yet.
setOperationAction(ISD::UMUL_LOHI, MVT::i32, Expand);
+ setOperationAction(ISD::SMUL_LOHI, MVT::i32, Expand);
// We don't have line number support yet.
setOperationAction(ISD::DBG_STOPPOINT, MVT::Other, Expand);
static SDValue LowerGLOBALADDRESS(SDValue Op, SelectionDAG &DAG) {
GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
+ // FIXME there isn't really any debug info here
+ DebugLoc dl = Op.getDebugLoc();
SDValue GA = DAG.getTargetGlobalAddress(GV, MVT::i32);
- SDValue Hi = DAG.getNode(SPISD::Hi, MVT::i32, GA);
- SDValue Lo = DAG.getNode(SPISD::Lo, MVT::i32, GA);
- return DAG.getNode(ISD::ADD, MVT::i32, Lo, Hi);
+ SDValue Hi = DAG.getNode(SPISD::Hi, dl, MVT::i32, GA);
+ SDValue Lo = DAG.getNode(SPISD::Lo, dl, MVT::i32, GA);
+ return DAG.getNode(ISD::ADD, dl, MVT::i32, Lo, Hi);
}
static SDValue LowerCONSTANTPOOL(SDValue Op, SelectionDAG &DAG) {
ConstantPoolSDNode *N = cast<ConstantPoolSDNode>(Op);
+ // FIXME there isn't really any debug info here
+ DebugLoc dl = Op.getDebugLoc();
Constant *C = N->getConstVal();
SDValue CP = DAG.getTargetConstantPool(C, MVT::i32, N->getAlignment());
- SDValue Hi = DAG.getNode(SPISD::Hi, MVT::i32, CP);
- SDValue Lo = DAG.getNode(SPISD::Lo, MVT::i32, CP);
- return DAG.getNode(ISD::ADD, MVT::i32, Lo, Hi);
+ SDValue Hi = DAG.getNode(SPISD::Hi, dl, MVT::i32, CP);
+ SDValue Lo = DAG.getNode(SPISD::Lo, dl, MVT::i32, CP);
+ return DAG.getNode(ISD::ADD, dl, MVT::i32, Lo, Hi);
}
static SDValue LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG) {
+ DebugLoc dl = Op.getDebugLoc();
// Convert the fp value to integer in an FP register.
assert(Op.getValueType() == MVT::i32);
- Op = DAG.getNode(SPISD::FTOI, MVT::f32, Op.getOperand(0));
- return DAG.getNode(ISD::BIT_CONVERT, MVT::i32, Op);
+ Op = DAG.getNode(SPISD::FTOI, dl, MVT::f32, Op.getOperand(0));
+ return DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i32, Op);
}
static SDValue LowerSINT_TO_FP(SDValue Op, SelectionDAG &DAG) {
+ DebugLoc dl = Op.getDebugLoc();
assert(Op.getOperand(0).getValueType() == MVT::i32);
- SDValue Tmp = DAG.getNode(ISD::BIT_CONVERT, MVT::f32, Op.getOperand(0));
+ SDValue Tmp = DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f32, Op.getOperand(0));
// Convert the int value to FP in an FP register.
- return DAG.getNode(SPISD::ITOF, Op.getValueType(), Tmp);
+ return DAG.getNode(SPISD::ITOF, dl, Op.getValueType(), Tmp);
}
static SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG) {
SDValue LHS = Op.getOperand(2);
SDValue RHS = Op.getOperand(3);
SDValue Dest = Op.getOperand(4);
+ DebugLoc dl = Op.getDebugLoc();
unsigned Opc, SPCC = ~0U;
// If this is a br_cc of a "setcc", and if the setcc got lowered into
VTs.push_back(MVT::i32);
VTs.push_back(MVT::Flag);
SDValue Ops[2] = { LHS, RHS };
- CompareFlag = DAG.getNode(SPISD::CMPICC, VTs, Ops, 2).getValue(1);
+ CompareFlag = DAG.getNode(SPISD::CMPICC, dl, VTs, Ops, 2).getValue(1);
if (SPCC == ~0U) SPCC = IntCondCCodeToICC(CC);
Opc = SPISD::BRICC;
} else {
- CompareFlag = DAG.getNode(SPISD::CMPFCC, MVT::Flag, LHS, RHS);
+ CompareFlag = DAG.getNode(SPISD::CMPFCC, dl, MVT::Flag, LHS, RHS);
if (SPCC == ~0U) SPCC = FPCondCCodeToFCC(CC);
Opc = SPISD::BRFCC;
}
- return DAG.getNode(Opc, MVT::Other, Chain, Dest,
+ return DAG.getNode(Opc, dl, MVT::Other, Chain, Dest,
DAG.getConstant(SPCC, MVT::i32), CompareFlag);
}
ISD::CondCode CC = cast<CondCodeSDNode>(Op.getOperand(4))->get();
SDValue TrueVal = Op.getOperand(2);
SDValue FalseVal = Op.getOperand(3);
+ DebugLoc dl = Op.getDebugLoc();
unsigned Opc, SPCC = ~0U;
// If this is a select_cc of a "setcc", and if the setcc got lowered into
VTs.push_back(LHS.getValueType()); // subcc returns a value
VTs.push_back(MVT::Flag);
SDValue Ops[2] = { LHS, RHS };
- CompareFlag = DAG.getNode(SPISD::CMPICC, VTs, Ops, 2).getValue(1);
+ CompareFlag = DAG.getNode(SPISD::CMPICC, dl, VTs, Ops, 2).getValue(1);
Opc = SPISD::SELECT_ICC;
if (SPCC == ~0U) SPCC = IntCondCCodeToICC(CC);
} else {
- CompareFlag = DAG.getNode(SPISD::CMPFCC, MVT::Flag, LHS, RHS);
+ CompareFlag = DAG.getNode(SPISD::CMPFCC, dl, MVT::Flag, LHS, RHS);
Opc = SPISD::SELECT_FCC;
if (SPCC == ~0U) SPCC = FPCondCCodeToFCC(CC);
}
- return DAG.getNode(Opc, TrueVal.getValueType(), TrueVal, FalseVal,
+ return DAG.getNode(Opc, dl, TrueVal.getValueType(), TrueVal, FalseVal,
DAG.getConstant(SPCC, MVT::i32), CompareFlag);
}
SparcTargetLowering &TLI) {
// vastart just stores the address of the VarArgsFrameIndex slot into the
// memory location argument.
- SDValue Offset = DAG.getNode(ISD::ADD, MVT::i32,
+ DebugLoc dl = Op.getDebugLoc();
+ SDValue Offset = DAG.getNode(ISD::ADD, dl, MVT::i32,
DAG.getRegister(SP::I6, MVT::i32),
DAG.getConstant(TLI.getVarArgsFrameOffset(),
MVT::i32));
const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
- return DAG.getStore(Op.getOperand(0), Offset, Op.getOperand(1), SV, 0);
+ return DAG.getStore(Op.getOperand(0), dl, Offset, Op.getOperand(1), SV, 0);
}
static SDValue LowerVAARG(SDValue Op, SelectionDAG &DAG) {
SDValue InChain = Node->getOperand(0);
SDValue VAListPtr = Node->getOperand(1);
const Value *SV = cast<SrcValueSDNode>(Node->getOperand(2))->getValue();
- SDValue VAList = DAG.getLoad(MVT::i32, InChain, VAListPtr, SV, 0);
+ DebugLoc dl = Node->getDebugLoc();
+ SDValue VAList = DAG.getLoad(MVT::i32, dl, InChain, VAListPtr, SV, 0);
// Increment the pointer, VAList, to the next vaarg
- SDValue NextPtr = DAG.getNode(ISD::ADD, MVT::i32, VAList,
+ SDValue NextPtr = DAG.getNode(ISD::ADD, dl, MVT::i32, VAList,
DAG.getConstant(VT.getSizeInBits()/8,
MVT::i32));
// Store the incremented VAList to the legalized pointer
- InChain = DAG.getStore(VAList.getValue(1), NextPtr,
+ InChain = DAG.getStore(VAList.getValue(1), dl, 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, NULL, 0);
+ return DAG.getLoad(VT, dl, InChain, VAList, NULL, 0);
// Otherwise, load it as i64, then do a bitconvert.
- SDValue V = DAG.getLoad(MVT::i64, InChain, VAList, NULL, 0);
+ SDValue V = DAG.getLoad(MVT::i64, dl, InChain, VAList, NULL, 0);
// Bit-Convert the value to f64.
SDValue Ops[2] = {
- DAG.getNode(ISD::BIT_CONVERT, MVT::f64, V),
+ DAG.getNode(ISD::BIT_CONVERT, dl, MVT::f64, V),
V.getValue(1)
};
- return DAG.getMergeValues(Ops, 2);
+ return DAG.getMergeValues(Ops, 2, dl);
}
static SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) {
SDValue Chain = Op.getOperand(0); // Legalize the chain.
SDValue Size = Op.getOperand(1); // Legalize the size.
+ DebugLoc dl = Op.getDebugLoc();
unsigned SPReg = SP::O6;
- SDValue SP = DAG.getCopyFromReg(Chain, SPReg, MVT::i32);
- SDValue NewSP = DAG.getNode(ISD::SUB, MVT::i32, SP, Size); // Value
- Chain = DAG.getCopyToReg(SP.getValue(1), SPReg, NewSP); // Output chain
+ SDValue SP = DAG.getCopyFromReg(Chain, dl, SPReg, MVT::i32);
+ SDValue NewSP = DAG.getNode(ISD::SUB, dl, MVT::i32, SP, Size); // Value
+ Chain = DAG.getCopyToReg(SP.getValue(1), dl, SPReg, NewSP); // Output chain
// The resultant pointer is actually 16 words from the bottom of the stack,
// to provide a register spill area.
- SDValue NewVal = DAG.getNode(ISD::ADD, MVT::i32, NewSP,
+ SDValue NewVal = DAG.getNode(ISD::ADD, dl, MVT::i32, NewSP,
DAG.getConstant(96, MVT::i32));
SDValue Ops[2] = { NewVal, Chain };
- return DAG.getMergeValues(Ops, 2);
+ return DAG.getMergeValues(Ops, 2, dl);
}
SDValue SparcTargetLowering::
LowerOperation(SDValue Op, SelectionDAG &DAG) {
switch (Op.getOpcode()) {
- default: assert(0 && "Should not custom lower this!");
+ default: llvm_unreachable("Should not custom lower this!");
// Frame & Return address. Currently unimplemented
case ISD::RETURNADDR: return SDValue();
case ISD::FRAMEADDR: return SDValue();
case ISD::GlobalTLSAddress:
- assert(0 && "TLS not implemented for Sparc.");
+ llvm_unreachable("TLS not implemented for Sparc.");
case ISD::GlobalAddress: return LowerGLOBALADDRESS(Op, DAG);
case ISD::ConstantPool: return LowerCONSTANTPOOL(Op, DAG);
case ISD::FP_TO_SINT: return LowerFP_TO_SINT(Op, DAG);
case ISD::VAARG: return LowerVAARG(Op, DAG);
case ISD::DYNAMIC_STACKALLOC: return LowerDYNAMIC_STACKALLOC(Op, DAG);
case ISD::CALL: return LowerCALL(Op, DAG);
+ case ISD::FORMAL_ARGUMENTS: return LowerFORMAL_ARGUMENTS(Op, DAG);
case ISD::RET: return LowerRET(Op, DAG);
}
}
MachineBasicBlock *
SparcTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
- MachineBasicBlock *BB) {
+ MachineBasicBlock *BB) const {
const TargetInstrInfo &TII = *getTargetMachine().getInstrInfo();
unsigned BROpcode;
unsigned CC;
+ DebugLoc dl = MI->getDebugLoc();
// Figure out the conditional branch opcode to use for this select_cc.
switch (MI->getOpcode()) {
- default: assert(0 && "Unknown SELECT_CC!");
+ default: llvm_unreachable("Unknown SELECT_CC!");
case SP::SELECT_CC_Int_ICC:
case SP::SELECT_CC_FP_ICC:
case SP::SELECT_CC_DFP_ICC:
MachineFunction *F = BB->getParent();
MachineBasicBlock *copy0MBB = F->CreateMachineBasicBlock(LLVM_BB);
MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB);
- BuildMI(BB, TII.get(BROpcode)).addMBB(sinkMBB).addImm(CC);
+ BuildMI(BB, dl, TII.get(BROpcode)).addMBB(sinkMBB).addImm(CC);
F->insert(It, copy0MBB);
F->insert(It, sinkMBB);
// Update machine-CFG edges by transferring all successors of the current
// %Result = phi [ %FalseValue, copy0MBB ], [ %TrueValue, thisMBB ]
// ...
BB = sinkMBB;
- BuildMI(BB, TII.get(SP::PHI), MI->getOperand(0).getReg())
+ BuildMI(BB, dl, TII.get(SP::PHI), MI->getOperand(0).getReg())
.addReg(MI->getOperand(2).getReg()).addMBB(copy0MBB)
.addReg(MI->getOperand(1).getReg()).addMBB(thisMBB);
F->DeleteMachineInstr(MI); // The pseudo instruction is gone now.
return BB;
}
+
+//===----------------------------------------------------------------------===//
+// Sparc Inline Assembly Support
+//===----------------------------------------------------------------------===//
+
+/// getConstraintType - Given a constraint letter, return the type of
+/// constraint it is for this target.
+SparcTargetLowering::ConstraintType
+SparcTargetLowering::getConstraintType(const std::string &Constraint) const {
+ if (Constraint.size() == 1) {
+ switch (Constraint[0]) {
+ default: break;
+ case 'r': return C_RegisterClass;
+ }
+ }
+
+ return TargetLowering::getConstraintType(Constraint);
+}
+
+std::pair<unsigned, const TargetRegisterClass*>
+SparcTargetLowering::getRegForInlineAsmConstraint(const std::string &Constraint,
+ MVT VT) const {
+ if (Constraint.size() == 1) {
+ switch (Constraint[0]) {
+ case 'r':
+ return std::make_pair(0U, SP::IntRegsRegisterClass);
+ }
+ }
+
+ return TargetLowering::getRegForInlineAsmConstraint(Constraint, VT);
+}
+
+std::vector<unsigned> SparcTargetLowering::
+getRegClassForInlineAsmConstraint(const std::string &Constraint,
+ MVT VT) const {
+ if (Constraint.size() != 1)
+ return std::vector<unsigned>();
+
+ switch (Constraint[0]) {
+ default: break;
+ case 'r':
+ return make_vector<unsigned>(SP::L0, SP::L1, SP::L2, SP::L3,
+ SP::L4, SP::L5, SP::L6, SP::L7,
+ SP::I0, SP::I1, SP::I2, SP::I3,
+ SP::I4, SP::I5,
+ SP::O0, SP::O1, SP::O2, SP::O3,
+ SP::O4, SP::O5, SP::O7, 0);
+ }
+
+ return std::vector<unsigned>();
+}
+
+bool
+SparcTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
+ // The Sparc target isn't yet aware of offsets.
+ return false;
+}
+
+/// getFunctionAlignment - Return the Log2 alignment of this function.
+unsigned SparcTargetLowering::getFunctionAlignment(const Function *) const {
+ return 4;
+}
projects / oota-llvm.git / blobdiff