#include "llvm/MC/MCSectionMachO.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/VectorExtras.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include <sstream>
using namespace llvm;
+static cl::opt<bool>
+EnableARMLongCalls("arm-long-calls", cl::Hidden,
+ cl::desc("Generate calls via indirect call instructions."),
+ cl::init(false));
+
static bool CC_ARM_APCS_Custom_f64(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
CCValAssign::LocInfo &LocInfo,
ISD::ArgFlagsTy &ArgFlags,
setOperationAction(ISD::VECTOR_SHUFFLE, VT.getSimpleVT(), Custom);
setOperationAction(ISD::CONCAT_VECTORS, VT.getSimpleVT(), Custom);
setOperationAction(ISD::EXTRACT_SUBVECTOR, VT.getSimpleVT(), Expand);
+ setOperationAction(ISD::SELECT, VT.getSimpleVT(), Expand);
+ setOperationAction(ISD::SELECT_CC, VT.getSimpleVT(), Expand);
if (VT.isInteger()) {
setOperationAction(ISD::SHL, VT.getSimpleVT(), Custom);
setOperationAction(ISD::SRA, VT.getSimpleVT(), Custom);
// FIXME: Shouldn't need this, since no register is used, but the legalizer
// doesn't yet know how to not do that for SjLj.
setExceptionSelectorRegister(ARM::R0);
- if (Subtarget->isThumb())
- setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32, Custom);
- else
- setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32, Expand);
+ setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32, Expand);
setOperationAction(ISD::MEMBARRIER, MVT::Other, Custom);
if (!Subtarget->hasV6Ops() && !Subtarget->isThumb2()) {
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;
DebugLoc dl) {
SDValue SizeNode = DAG.getConstant(Flags.getByValSize(), MVT::i32);
return DAG.getMemcpy(Chain, dl, Dst, Src, SizeNode, Flags.getByValAlign(),
- /*AlwaysInline=*/false, NULL, 0, NULL, 0);
+ /*isVolatile=*/false, /*AlwaysInline=*/false,
+ NULL, 0, NULL, 0);
}
/// LowerMemOpCallTo - Store the argument to the stack.
SDValue StackPtr, SDValue Arg,
DebugLoc dl, SelectionDAG &DAG,
const CCValAssign &VA,
- ISD::ArgFlagsTy Flags) {
+ ISD::ArgFlagsTy Flags) const {
unsigned LocMemOffset = VA.getLocMemOffset();
SDValue PtrOff = DAG.getIntPtrConstant(LocMemOffset);
PtrOff = DAG.getNode(ISD::ADD, dl, getPointerTy(), StackPtr, PtrOff);
CCValAssign &VA, CCValAssign &NextVA,
SDValue &StackPtr,
SmallVector<SDValue, 8> &MemOpChains,
- ISD::ArgFlagsTy Flags) {
+ ISD::ArgFlagsTy Flags) const {
SDValue fmrrd = DAG.getNode(ARMISD::VMOVRRD, dl,
DAG.getVTList(MVT::i32, MVT::i32), Arg);
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) {
+ SmallVectorImpl<SDValue> &InVals) const {
// ARM target does not yet support tail call optimization.
isTailCall = false;
bool isLocalARMFunc = false;
MachineFunction &MF = DAG.getMachineFunction();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
- if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
- GlobalValue *GV = G->getGlobal();
+
+ if (EnableARMLongCalls) {
+ assert (getTargetMachine().getRelocationModel() == Reloc::Static
+ && "long-calls with non-static relocation model!");
+ // Handle a global address or an external symbol. If it's not one of
+ // those, the target's already in a register, so we don't need to do
+ // anything extra.
+ if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
+ const GlobalValue *GV = G->getGlobal();
+ // Create a constant pool entry for the callee address
+ unsigned ARMPCLabelIndex = AFI->createConstPoolEntryUId();
+ ARMConstantPoolValue *CPV = new ARMConstantPoolValue(GV,
+ ARMPCLabelIndex,
+ ARMCP::CPValue, 0);
+ // Get the address of the callee into a register
+ SDValue CPAddr = DAG.getTargetConstantPool(CPV, getPointerTy(), 4);
+ CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
+ Callee = DAG.getLoad(getPointerTy(), dl,
+ DAG.getEntryNode(), CPAddr,
+ PseudoSourceValue::getConstantPool(), 0,
+ false, false, 0);
+ } else if (ExternalSymbolSDNode *S=dyn_cast<ExternalSymbolSDNode>(Callee)) {
+ const char *Sym = S->getSymbol();
+
+ // Create a constant pool entry for the callee address
+ unsigned ARMPCLabelIndex = AFI->createConstPoolEntryUId();
+ ARMConstantPoolValue *CPV = new ARMConstantPoolValue(*DAG.getContext(),
+ Sym, ARMPCLabelIndex, 0);
+ // Get the address of the callee into a register
+ SDValue CPAddr = DAG.getTargetConstantPool(CPV, getPointerTy(), 4);
+ CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
+ Callee = DAG.getLoad(getPointerTy(), dl,
+ DAG.getEntryNode(), CPAddr,
+ PseudoSourceValue::getConstantPool(), 0,
+ false, false, 0);
+ }
+ } else if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
+ const GlobalValue *GV = G->getGlobal();
isDirect = true;
bool isExt = GV->isDeclaration() || GV->isWeakForLinker();
bool isStub = (isExt && Subtarget->isTargetDarwin()) &&
SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
Callee = DAG.getNode(ARMISD::PIC_ADD, dl,
getPointerTy(), Callee, PICLabel);
- } else
+ } else
Callee = DAG.getTargetGlobalAddress(GV, getPointerTy());
} else if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(Callee)) {
isDirect = true;
ARMTargetLowering::LowerReturn(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
- DebugLoc dl, SelectionDAG &DAG) {
+ DebugLoc dl, SelectionDAG &DAG) const {
// CCValAssign - represent the assignment of the return value to a location.
SmallVector<CCValAssign, 16> RVLocs;
return DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, Res);
}
-SDValue ARMTargetLowering::LowerBlockAddress(SDValue Op, SelectionDAG &DAG) {
+SDValue ARMTargetLowering::LowerBlockAddress(SDValue Op,
+ SelectionDAG &DAG) const {
MachineFunction &MF = DAG.getMachineFunction();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
unsigned ARMPCLabelIndex = 0;
DebugLoc DL = Op.getDebugLoc();
EVT PtrVT = getPointerTy();
- BlockAddress *BA = cast<BlockAddressSDNode>(Op)->getBlockAddress();
+ const BlockAddress *BA = cast<BlockAddressSDNode>(Op)->getBlockAddress();
Reloc::Model RelocM = getTargetMachine().getRelocationModel();
SDValue CPAddr;
if (RelocM == Reloc::Static) {
// Lower ISD::GlobalTLSAddress using the "general dynamic" model
SDValue
ARMTargetLowering::LowerToTLSGeneralDynamicModel(GlobalAddressSDNode *GA,
- SelectionDAG &DAG) {
+ SelectionDAG &DAG) const {
DebugLoc dl = GA->getDebugLoc();
EVT PtrVT = getPointerTy();
unsigned char PCAdj = Subtarget->isThumb() ? 4 : 8;
// "local exec" model.
SDValue
ARMTargetLowering::LowerToTLSExecModels(GlobalAddressSDNode *GA,
- SelectionDAG &DAG) {
- GlobalValue *GV = GA->getGlobal();
+ SelectionDAG &DAG) const {
+ const GlobalValue *GV = GA->getGlobal();
DebugLoc dl = GA->getDebugLoc();
SDValue Offset;
SDValue Chain = DAG.getEntryNode();
}
SDValue
-ARMTargetLowering::LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) {
+ARMTargetLowering::LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const {
// TODO: implement the "local dynamic" model
assert(Subtarget->isTargetELF() &&
"TLS not implemented for non-ELF targets");
}
SDValue ARMTargetLowering::LowerGlobalAddressELF(SDValue Op,
- SelectionDAG &DAG) {
+ SelectionDAG &DAG) const {
EVT PtrVT = getPointerTy();
DebugLoc dl = Op.getDebugLoc();
- GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
+ const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
Reloc::Model RelocM = getTargetMachine().getRelocationModel();
if (RelocM == Reloc::PIC_) {
bool UseGOTOFF = GV->hasLocalLinkage() || GV->hasHiddenVisibility();
}
SDValue ARMTargetLowering::LowerGlobalAddressDarwin(SDValue Op,
- SelectionDAG &DAG) {
+ SelectionDAG &DAG) const {
MachineFunction &MF = DAG.getMachineFunction();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
unsigned ARMPCLabelIndex = 0;
EVT PtrVT = getPointerTy();
DebugLoc dl = Op.getDebugLoc();
- GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
+ const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
Reloc::Model RelocM = getTargetMachine().getRelocationModel();
SDValue CPAddr;
if (RelocM == Reloc::Static)
}
SDValue ARMTargetLowering::LowerGLOBAL_OFFSET_TABLE(SDValue Op,
- SelectionDAG &DAG){
+ SelectionDAG &DAG) const {
assert(Subtarget->isTargetELF() &&
"GLOBAL OFFSET TABLE not implemented for non-ELF targets");
MachineFunction &MF = DAG.getMachineFunction();
SDValue
ARMTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG,
- const ARMSubtarget *Subtarget) {
+ const ARMSubtarget *Subtarget)
+ const {
unsigned IntNo = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
DebugLoc dl = Op.getDebugLoc();
switch (IntNo) {
return Res;
}
-static SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG,
- unsigned VarArgsFrameIndex) {
+static SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) {
+ MachineFunction &MF = DAG.getMachineFunction();
+ ARMFunctionInfo *FuncInfo = MF.getInfo<ARMFunctionInfo>();
+
// vastart just stores the address of the VarArgsFrameIndex slot into the
// memory location argument.
DebugLoc dl = Op.getDebugLoc();
EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
- SDValue FR = DAG.getFrameIndex(VarArgsFrameIndex, PtrVT);
+ SDValue FR = DAG.getFrameIndex(FuncInfo->getVarArgsFrameIndex(), PtrVT);
const Value *SV = cast<SrcValueSDNode>(Op.getOperand(2))->getValue();
return DAG.getStore(Op.getOperand(0), dl, FR, Op.getOperand(1), SV, 0,
false, false, 0);
}
SDValue
-ARMTargetLowering::LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG) {
+ARMTargetLowering::LowerDYNAMIC_STACKALLOC(SDValue Op,
+ SelectionDAG &DAG) const {
SDNode *Node = Op.getNode();
DebugLoc dl = Node->getDebugLoc();
EVT VT = Node->getValueType(0);
SDValue
ARMTargetLowering::GetF64FormalArgument(CCValAssign &VA, CCValAssign &NextVA,
SDValue &Root, SelectionDAG &DAG,
- DebugLoc dl) {
+ DebugLoc dl) const {
MachineFunction &MF = DAG.getMachineFunction();
ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
SDValue ArgValue2;
if (NextVA.isMemLoc()) {
- unsigned ArgSize = NextVA.getLocVT().getSizeInBits()/8;
MachineFrameInfo *MFI = MF.getFrameInfo();
- int FI = MFI->CreateFixedObject(ArgSize, NextVA.getLocMemOffset(),
- true, false);
+ int FI = MFI->CreateFixedObject(4, NextVA.getLocMemOffset(), true, false);
// Create load node to retrieve arguments from the stack.
SDValue FIN = DAG.getFrameIndex(FI, getPointerTy());
const SmallVectorImpl<ISD::InputArg>
&Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) {
+ SmallVectorImpl<SDValue> &InVals)
+ const {
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
if (VA.needsCustom()) {
// f64 and vector types are split up into multiple registers or
// combinations of registers and stack slots.
- RegVT = MVT::i32;
-
if (VA.getLocVT() == MVT::v2f64) {
SDValue ArgValue1 = GetF64FormalArgument(VA, ArgLocs[++i],
Chain, DAG, dl);
VA = ArgLocs[++i]; // skip ahead to next loc
- SDValue ArgValue2 = GetF64FormalArgument(VA, ArgLocs[++i],
- Chain, DAG, dl);
+ SDValue ArgValue2;
+ if (VA.isMemLoc()) {
+ int FI = MFI->CreateFixedObject(8, VA.getLocMemOffset(),
+ true, false);
+ SDValue FIN = DAG.getFrameIndex(FI, getPointerTy());
+ ArgValue2 = DAG.getLoad(MVT::f64, dl, Chain, FIN,
+ PseudoSourceValue::getFixedStack(FI), 0,
+ false, false, 0);
+ } else {
+ ArgValue2 = GetF64FormalArgument(VA, ArgLocs[++i],
+ Chain, DAG, dl);
+ }
ArgValue = DAG.getNode(ISD::UNDEF, dl, MVT::v2f64);
ArgValue = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, MVT::v2f64,
ArgValue, ArgValue1, DAG.getIntPtrConstant(0));
// to their spots on the stack so that they may be loaded by deferencing
// the result of va_next.
AFI->setVarArgsRegSaveSize(VARegSaveSize);
- VarArgsFrameIndex = MFI->CreateFixedObject(VARegSaveSize, ArgOffset +
- VARegSaveSize - VARegSize,
- true, false);
- SDValue FIN = DAG.getFrameIndex(VarArgsFrameIndex, getPointerTy());
+ AFI->setVarArgsFrameIndex(
+ MFI->CreateFixedObject(VARegSaveSize,
+ ArgOffset + VARegSaveSize - VARegSize,
+ true, false));
+ SDValue FIN = DAG.getFrameIndex(AFI->getVarArgsFrameIndex(),
+ getPointerTy());
SmallVector<SDValue, 4> MemOps;
for (; NumGPRs < 4; ++NumGPRs) {
unsigned VReg = MF.addLiveIn(GPRArgRegs[NumGPRs], RC);
SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i32);
- SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN,
- PseudoSourceValue::getFixedStack(VarArgsFrameIndex), 0,
- false, false, 0);
+ SDValue Store =
+ DAG.getStore(Val.getValue(1), dl, Val, FIN,
+ PseudoSourceValue::getFixedStack(AFI->getVarArgsFrameIndex()), 0,
+ false, false, 0);
MemOps.push_back(Store);
FIN = DAG.getNode(ISD::ADD, dl, getPointerTy(), FIN,
DAG.getConstant(4, getPointerTy()));
&MemOps[0], MemOps.size());
} else
// This will point to the next argument passed via stack.
- VarArgsFrameIndex = MFI->CreateFixedObject(4, ArgOffset, true, false);
+ AFI->setVarArgsFrameIndex(MFI->CreateFixedObject(4, ArgOffset,
+ true, false));
}
return Chain;
if (Op.getOperand(1).getOpcode() == ARMISD::Wrapper) {
SDValue WrapperOp = Op.getOperand(1).getOperand(0);
if (ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(WrapperOp))
- if (ConstantFP *CFP = dyn_cast<ConstantFP>(CP->getConstVal()))
+ if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CP->getConstVal()))
return CFP->getValueAPF().isPosZero();
}
}
/// the given operands.
SDValue
ARMTargetLowering::getARMCmp(SDValue LHS, SDValue RHS, ISD::CondCode CC,
- SDValue &ARMCC, SelectionDAG &DAG, DebugLoc dl) {
+ SDValue &ARMCC, SelectionDAG &DAG,
+ DebugLoc dl) const {
if (ConstantSDNode *RHSC = dyn_cast<ConstantSDNode>(RHS.getNode())) {
unsigned C = RHSC->getZExtValue();
if (!isLegalICmpImmediate(C)) {
return DAG.getNode(ARMISD::FMSTAT, dl, MVT::Flag, Cmp);
}
-SDValue ARMTargetLowering::LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) {
+SDValue ARMTargetLowering::LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const {
EVT VT = Op.getValueType();
SDValue LHS = Op.getOperand(0);
SDValue RHS = Op.getOperand(1);
return Result;
}
-SDValue ARMTargetLowering::LowerBR_CC(SDValue Op, SelectionDAG &DAG) {
+SDValue ARMTargetLowering::LowerBR_CC(SDValue Op, SelectionDAG &DAG) const {
SDValue Chain = Op.getOperand(0);
ISD::CondCode CC = cast<CondCodeSDNode>(Op.getOperand(1))->get();
SDValue LHS = Op.getOperand(2);
return Res;
}
-SDValue ARMTargetLowering::LowerBR_JT(SDValue Op, SelectionDAG &DAG) {
+SDValue ARMTargetLowering::LowerBR_JT(SDValue Op, SelectionDAG &DAG) const {
SDValue Chain = Op.getOperand(0);
SDValue Table = Op.getOperand(1);
SDValue Index = Op.getOperand(2);
return DAG.getNode(ARMISD::CNEG, dl, VT, AbsVal, AbsVal, ARMCC, CCR, Cmp);
}
-SDValue ARMTargetLowering::LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) {
+SDValue ARMTargetLowering::LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const {
MachineFrameInfo *MFI = DAG.getMachineFunction().getFrameInfo();
MFI->setFrameAddressIsTaken(true);
EVT VT = Op.getValueType();
SDValue Chain,
SDValue Dst, SDValue Src,
SDValue Size, unsigned Align,
- bool AlwaysInline,
- const Value *DstSV, uint64_t DstSVOff,
- const Value *SrcSV, uint64_t SrcSVOff){
+ bool isVolatile, bool AlwaysInline,
+ const Value *DstSV,
+ uint64_t DstSVOff,
+ const Value *SrcSV,
+ uint64_t SrcSVOff) const {
// Do repeated 4-byte loads and stores. To be improved.
// This requires 4-byte alignment.
if ((Align & 3) != 0)
Loads[i] = DAG.getLoad(VT, dl, Chain,
DAG.getNode(ISD::ADD, dl, MVT::i32, Src,
DAG.getConstant(SrcOff, MVT::i32)),
- SrcSV, SrcSVOff + SrcOff, false, false, 0);
+ SrcSV, SrcSVOff + SrcOff, isVolatile, false, 0);
TFOps[i] = Loads[i].getValue(1);
SrcOff += VTSize;
}
TFOps[i] = DAG.getStore(Chain, dl, Loads[i],
DAG.getNode(ISD::ADD, dl, MVT::i32, Dst,
DAG.getConstant(DstOff, MVT::i32)),
- DstSV, DstSVOff + DstOff, false, false, 0);
+ DstSV, DstSVOff + DstOff, isVolatile, false, 0);
DstOff += VTSize;
}
Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
return DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);
}
+/// ExpandBIT_CONVERT - If the target supports VFP, this function is called to
+/// expand a bit convert where either the source or destination type is i64 to
+/// use a VMOVDRR or VMOVRRD node. This should not be done when the non-i64
+/// operand type is illegal (e.g., v2f32 for a target that doesn't support
+/// vectors), since the legalizer won't know what to do with that.
static SDValue ExpandBIT_CONVERT(SDNode *N, SelectionDAG &DAG) {
- SDValue Op = N->getOperand(0);
+ const TargetLowering &TLI = DAG.getTargetLoweringInfo();
DebugLoc dl = N->getDebugLoc();
- if (N->getValueType(0) == MVT::f64) {
- // Turn i64->f64 into VMOVDRR.
+ SDValue Op = N->getOperand(0);
+
+ // This function is only supposed to be called for i64 types, either as the
+ // source or destination of the bit convert.
+ EVT SrcVT = Op.getValueType();
+ EVT DstVT = N->getValueType(0);
+ assert((SrcVT == MVT::i64 || DstVT == MVT::i64) &&
+ "ExpandBIT_CONVERT called for non-i64 type");
+
+ // Turn i64->f64 into VMOVDRR.
+ if (SrcVT == MVT::i64 && TLI.isTypeLegal(DstVT)) {
SDValue Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op,
DAG.getConstant(0, MVT::i32));
SDValue Hi = DAG.getNode(ISD::EXTRACT_ELEMENT, dl, MVT::i32, Op,
}
// Turn f64->i64 into VMOVRRD.
- SDValue Cvt = DAG.getNode(ARMISD::VMOVRRD, dl,
- DAG.getVTList(MVT::i32, MVT::i32), &Op, 1);
+ if (DstVT == MVT::i64 && TLI.isTypeLegal(SrcVT)) {
+ SDValue Cvt = DAG.getNode(ARMISD::VMOVRRD, dl,
+ DAG.getVTList(MVT::i32, MVT::i32), &Op, 1);
+ // Merge the pieces into a single i64 value.
+ return DAG.getNode(ISD::BUILD_PAIR, dl, MVT::i64, Cvt, Cvt.getValue(1));
+ }
- // Merge the pieces into a single i64 value.
- return DAG.getNode(ISD::BUILD_PAIR, dl, MVT::i64, Cvt, Cvt.getValue(1));
+ return SDValue();
}
/// getZeroVector - Returns a vector of specified type with all zero elements.
/// LowerShiftRightParts - Lower SRA_PARTS, which returns two
/// i32 values and take a 2 x i32 value to shift plus a shift amount.
-SDValue ARMTargetLowering::LowerShiftRightParts(SDValue Op, SelectionDAG &DAG) {
+SDValue ARMTargetLowering::LowerShiftRightParts(SDValue Op,
+ SelectionDAG &DAG) const {
assert(Op.getNumOperands() == 3 && "Not a double-shift!");
EVT VT = Op.getValueType();
unsigned VTBits = VT.getSizeInBits();
/// LowerShiftLeftParts - Lower SHL_PARTS, which returns two
/// i32 values and take a 2 x i32 value to shift plus a shift amount.
-SDValue ARMTargetLowering::LowerShiftLeftParts(SDValue Op, SelectionDAG &DAG) {
+SDValue ARMTargetLowering::LowerShiftLeftParts(SDValue Op,
+ SelectionDAG &DAG) const {
assert(Op.getNumOperands() == 3 && "Not a double-shift!");
EVT VT = Op.getValueType();
unsigned VTBits = VT.getSizeInBits();
return DAG.getNode(ISD::BIT_CONVERT, dl, Op.getValueType(), Val);
}
-SDValue ARMTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) {
+SDValue ARMTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
switch (Op.getOpcode()) {
default: llvm_unreachable("Don't know how to custom lower this!");
case ISD::ConstantPool: return LowerConstantPool(Op, DAG);
case ISD::BR_CC: return LowerBR_CC(Op, DAG);
case ISD::BR_JT: return LowerBR_JT(Op, DAG);
case ISD::DYNAMIC_STACKALLOC: return LowerDYNAMIC_STACKALLOC(Op, DAG);
- case ISD::VASTART: return LowerVASTART(Op, DAG, VarArgsFrameIndex);
+ case ISD::VASTART: return LowerVASTART(Op, DAG);
case ISD::MEMBARRIER: return LowerMEMBARRIER(Op, DAG, Subtarget);
case ISD::SINT_TO_FP:
case ISD::UINT_TO_FP: return LowerINT_TO_FP(Op, DAG);
/// type with new values built out of custom code.
void ARMTargetLowering::ReplaceNodeResults(SDNode *N,
SmallVectorImpl<SDValue>&Results,
- SelectionDAG &DAG) {
+ SelectionDAG &DAG) const {
+ SDValue Res;
switch (N->getOpcode()) {
default:
llvm_unreachable("Don't know how to custom expand this!");
- return;
+ break;
case ISD::BIT_CONVERT:
- Results.push_back(ExpandBIT_CONVERT(N, DAG));
- return;
+ Res = ExpandBIT_CONVERT(N, DAG);
+ break;
case ISD::SRL:
- case ISD::SRA: {
- SDValue Res = LowerShift(N, DAG, Subtarget);
- if (Res.getNode())
- Results.push_back(Res);
- return;
- }
+ case ISD::SRA:
+ Res = LowerShift(N, DAG, Subtarget);
+ break;
}
+ if (Res.getNode())
+ Results.push_back(Res);
}
//===----------------------------------------------------------------------===//
projects / oota-llvm.git / blobdiff