#define DEBUG_TYPE "arm-isel"
#include "ARM.h"
#include "ARMAddressingModes.h"
+#include "ARMCallingConv.h"
#include "ARMConstantPoolValue.h"
#include "ARMISelLowering.h"
#include "ARMMachineFunctionInfo.h"
#include "llvm/Function.h"
#include "llvm/GlobalValue.h"
#include "llvm/Instruction.h"
+#include "llvm/Instructions.h"
#include "llvm/Intrinsics.h"
#include "llvm/Type.h"
#include "llvm/CodeGen/CallingConvLower.h"
cl::desc("Generate tail calls (TEMPORARY OPTION)."),
cl::init(false));
-// This option should go away when Machine LICM is smart enough to hoist a
+// This option should go away when Machine LICM is smart enough to hoist a
// reg-to-reg VDUP.
static cl::opt<bool>
EnableARMVDUPsplat("arm-vdup-splat", cl::Hidden,
cl::desc("Enable / disable ARM interworking (for debugging only)"),
cl::init(true));
-static cl::opt<bool>
-EnableARMCodePlacement("arm-code-placement", cl::Hidden,
- cl::desc("Enable code placement pass for ARM"),
- cl::init(false));
-
-static bool CC_ARM_APCS_Custom_f64(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State);
-static bool CC_ARM_AAPCS_Custom_f64(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State);
-static bool RetCC_ARM_APCS_Custom_f64(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State);
-static bool RetCC_ARM_AAPCS_Custom_f64(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State);
-
void ARMTargetLowering::addTypeForNEON(EVT VT, EVT PromotedLdStVT,
EVT PromotedBitwiseVT) {
if (VT != PromotedLdStVT) {
: TargetLowering(TM, createTLOF(TM)) {
Subtarget = &TM.getSubtarget<ARMSubtarget>();
RegInfo = TM.getRegisterInfo();
+ Itins = TM.getInstrItineraryData();
if (Subtarget->isTargetDarwin()) {
// Uses VFP for Thumb libfuncs if available.
setLibcallName(RTLIB::SRL_I128, 0);
setLibcallName(RTLIB::SRA_I128, 0);
- // Libcalls should use the AAPCS base standard ABI, even if hard float
- // is in effect, as per the ARM RTABI specification, section 4.1.2.
if (Subtarget->isAAPCS_ABI()) {
- for (int i = 0; i < RTLIB::UNKNOWN_LIBCALL; ++i) {
- setLibcallCallingConv(static_cast<RTLIB::Libcall>(i),
- CallingConv::ARM_AAPCS);
- }
+ // Double-precision floating-point arithmetic helper functions
+ // RTABI chapter 4.1.2, Table 2
+ setLibcallName(RTLIB::ADD_F64, "__aeabi_dadd");
+ setLibcallName(RTLIB::DIV_F64, "__aeabi_ddiv");
+ setLibcallName(RTLIB::MUL_F64, "__aeabi_dmul");
+ setLibcallName(RTLIB::SUB_F64, "__aeabi_dsub");
+ setLibcallCallingConv(RTLIB::ADD_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::DIV_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::MUL_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SUB_F64, CallingConv::ARM_AAPCS);
+
+ // Double-precision floating-point comparison helper functions
+ // RTABI chapter 4.1.2, Table 3
+ setLibcallName(RTLIB::OEQ_F64, "__aeabi_dcmpeq");
+ setCmpLibcallCC(RTLIB::OEQ_F64, ISD::SETNE);
+ setLibcallName(RTLIB::UNE_F64, "__aeabi_dcmpeq");
+ setCmpLibcallCC(RTLIB::UNE_F64, ISD::SETEQ);
+ setLibcallName(RTLIB::OLT_F64, "__aeabi_dcmplt");
+ setCmpLibcallCC(RTLIB::OLT_F64, ISD::SETNE);
+ setLibcallName(RTLIB::OLE_F64, "__aeabi_dcmple");
+ setCmpLibcallCC(RTLIB::OLE_F64, ISD::SETNE);
+ setLibcallName(RTLIB::OGE_F64, "__aeabi_dcmpge");
+ setCmpLibcallCC(RTLIB::OGE_F64, ISD::SETNE);
+ setLibcallName(RTLIB::OGT_F64, "__aeabi_dcmpgt");
+ setCmpLibcallCC(RTLIB::OGT_F64, ISD::SETNE);
+ setLibcallName(RTLIB::UO_F64, "__aeabi_dcmpun");
+ setCmpLibcallCC(RTLIB::UO_F64, ISD::SETNE);
+ setLibcallName(RTLIB::O_F64, "__aeabi_dcmpun");
+ setCmpLibcallCC(RTLIB::O_F64, ISD::SETEQ);
+ setLibcallCallingConv(RTLIB::OEQ_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UNE_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::OLT_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::OLE_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::OGE_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::OGT_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UO_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::O_F64, CallingConv::ARM_AAPCS);
+
+ // Single-precision floating-point arithmetic helper functions
+ // RTABI chapter 4.1.2, Table 4
+ setLibcallName(RTLIB::ADD_F32, "__aeabi_fadd");
+ setLibcallName(RTLIB::DIV_F32, "__aeabi_fdiv");
+ setLibcallName(RTLIB::MUL_F32, "__aeabi_fmul");
+ setLibcallName(RTLIB::SUB_F32, "__aeabi_fsub");
+ setLibcallCallingConv(RTLIB::ADD_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::DIV_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::MUL_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SUB_F32, CallingConv::ARM_AAPCS);
+
+ // Single-precision floating-point comparison helper functions
+ // RTABI chapter 4.1.2, Table 5
+ setLibcallName(RTLIB::OEQ_F32, "__aeabi_fcmpeq");
+ setCmpLibcallCC(RTLIB::OEQ_F32, ISD::SETNE);
+ setLibcallName(RTLIB::UNE_F32, "__aeabi_fcmpeq");
+ setCmpLibcallCC(RTLIB::UNE_F32, ISD::SETEQ);
+ setLibcallName(RTLIB::OLT_F32, "__aeabi_fcmplt");
+ setCmpLibcallCC(RTLIB::OLT_F32, ISD::SETNE);
+ setLibcallName(RTLIB::OLE_F32, "__aeabi_fcmple");
+ setCmpLibcallCC(RTLIB::OLE_F32, ISD::SETNE);
+ setLibcallName(RTLIB::OGE_F32, "__aeabi_fcmpge");
+ setCmpLibcallCC(RTLIB::OGE_F32, ISD::SETNE);
+ setLibcallName(RTLIB::OGT_F32, "__aeabi_fcmpgt");
+ setCmpLibcallCC(RTLIB::OGT_F32, ISD::SETNE);
+ setLibcallName(RTLIB::UO_F32, "__aeabi_fcmpun");
+ setCmpLibcallCC(RTLIB::UO_F32, ISD::SETNE);
+ setLibcallName(RTLIB::O_F32, "__aeabi_fcmpun");
+ setCmpLibcallCC(RTLIB::O_F32, ISD::SETEQ);
+ setLibcallCallingConv(RTLIB::OEQ_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UNE_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::OLT_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::OLE_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::OGE_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::OGT_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UO_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::O_F32, CallingConv::ARM_AAPCS);
+
+ // Floating-point to integer conversions.
+ // RTABI chapter 4.1.2, Table 6
+ setLibcallName(RTLIB::FPTOSINT_F64_I32, "__aeabi_d2iz");
+ setLibcallName(RTLIB::FPTOUINT_F64_I32, "__aeabi_d2uiz");
+ setLibcallName(RTLIB::FPTOSINT_F64_I64, "__aeabi_d2lz");
+ setLibcallName(RTLIB::FPTOUINT_F64_I64, "__aeabi_d2ulz");
+ setLibcallName(RTLIB::FPTOSINT_F32_I32, "__aeabi_f2iz");
+ setLibcallName(RTLIB::FPTOUINT_F32_I32, "__aeabi_f2uiz");
+ setLibcallName(RTLIB::FPTOSINT_F32_I64, "__aeabi_f2lz");
+ setLibcallName(RTLIB::FPTOUINT_F32_I64, "__aeabi_f2ulz");
+ setLibcallCallingConv(RTLIB::FPTOSINT_F64_I32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::FPTOUINT_F64_I32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::FPTOSINT_F64_I64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::FPTOUINT_F64_I64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::FPTOSINT_F32_I32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::FPTOUINT_F32_I32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::FPTOSINT_F32_I64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::FPTOUINT_F32_I64, CallingConv::ARM_AAPCS);
+
+ // Conversions between floating types.
+ // RTABI chapter 4.1.2, Table 7
+ setLibcallName(RTLIB::FPROUND_F64_F32, "__aeabi_d2f");
+ setLibcallName(RTLIB::FPEXT_F32_F64, "__aeabi_f2d");
+ setLibcallCallingConv(RTLIB::FPROUND_F64_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::FPEXT_F32_F64, CallingConv::ARM_AAPCS);
+
+ // Integer to floating-point conversions.
+ // RTABI chapter 4.1.2, Table 8
+ setLibcallName(RTLIB::SINTTOFP_I32_F64, "__aeabi_i2d");
+ setLibcallName(RTLIB::UINTTOFP_I32_F64, "__aeabi_ui2d");
+ setLibcallName(RTLIB::SINTTOFP_I64_F64, "__aeabi_l2d");
+ setLibcallName(RTLIB::UINTTOFP_I64_F64, "__aeabi_ul2d");
+ setLibcallName(RTLIB::SINTTOFP_I32_F32, "__aeabi_i2f");
+ setLibcallName(RTLIB::UINTTOFP_I32_F32, "__aeabi_ui2f");
+ setLibcallName(RTLIB::SINTTOFP_I64_F32, "__aeabi_l2f");
+ setLibcallName(RTLIB::UINTTOFP_I64_F32, "__aeabi_ul2f");
+ setLibcallCallingConv(RTLIB::SINTTOFP_I32_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UINTTOFP_I32_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SINTTOFP_I64_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UINTTOFP_I64_F64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SINTTOFP_I32_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UINTTOFP_I32_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SINTTOFP_I64_F32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UINTTOFP_I64_F32, CallingConv::ARM_AAPCS);
+
+ // Long long helper functions
+ // RTABI chapter 4.2, Table 9
+ setLibcallName(RTLIB::MUL_I64, "__aeabi_lmul");
+ setLibcallName(RTLIB::SDIV_I64, "__aeabi_ldivmod");
+ setLibcallName(RTLIB::UDIV_I64, "__aeabi_uldivmod");
+ setLibcallName(RTLIB::SHL_I64, "__aeabi_llsl");
+ setLibcallName(RTLIB::SRL_I64, "__aeabi_llsr");
+ setLibcallName(RTLIB::SRA_I64, "__aeabi_lasr");
+ setLibcallCallingConv(RTLIB::MUL_I64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SDIV_I64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UDIV_I64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SHL_I64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SRL_I64, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SRA_I64, CallingConv::ARM_AAPCS);
+
+ // Integer division functions
+ // RTABI chapter 4.3.1
+ setLibcallName(RTLIB::SDIV_I8, "__aeabi_idiv");
+ setLibcallName(RTLIB::SDIV_I16, "__aeabi_idiv");
+ setLibcallName(RTLIB::SDIV_I32, "__aeabi_idiv");
+ setLibcallName(RTLIB::UDIV_I8, "__aeabi_uidiv");
+ setLibcallName(RTLIB::UDIV_I16, "__aeabi_uidiv");
+ setLibcallName(RTLIB::UDIV_I32, "__aeabi_uidiv");
+ setLibcallCallingConv(RTLIB::SDIV_I8, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SDIV_I16, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::SDIV_I32, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UDIV_I8, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UDIV_I16, CallingConv::ARM_AAPCS);
+ setLibcallCallingConv(RTLIB::UDIV_I32, CallingConv::ARM_AAPCS);
}
if (Subtarget->isThumb1Only())
setTargetDAGCombine(ISD::ZERO_EXTEND);
setTargetDAGCombine(ISD::ANY_EXTEND);
setTargetDAGCombine(ISD::SELECT_CC);
+ setTargetDAGCombine(ISD::BUILD_VECTOR);
}
computeRegisterProperties();
// are at least 4 bytes aligned.
setMinStackArgumentAlignment(4);
- if (EnableARMCodePlacement)
- benefitFromCodePlacementOpt = true;
+ benefitFromCodePlacementOpt = true;
}
std::pair<const TargetRegisterClass*, uint8_t>
case ARMISD::SRA_FLAG: return "ARMISD::SRA_FLAG";
case ARMISD::RRX: return "ARMISD::RRX";
- case ARMISD::VMOVRRD: return "ARMISD::VMOVRRD";
- case ARMISD::VMOVDRR: return "ARMISD::VMOVDRR";
+ case ARMISD::VMOVRRD: return "ARMISD::VMOVRRD";
+ case ARMISD::VMOVDRR: return "ARMISD::VMOVDRR";
case ARMISD::EH_SJLJ_SETJMP: return "ARMISD::EH_SJLJ_SETJMP";
case ARMISD::EH_SJLJ_LONGJMP:return "ARMISD::EH_SJLJ_LONGJMP";
case ARMISD::TC_RETURN: return "ARMISD::TC_RETURN";
-
+
case ARMISD::THREAD_POINTER:return "ARMISD::THREAD_POINTER";
case ARMISD::DYN_ALLOC: return "ARMISD::DYN_ALLOC";
if (TID.mayLoad())
return Sched::Latency;
- const InstrItineraryData &Itins = getTargetMachine().getInstrItineraryData();
- if (!Itins.isEmpty() && Itins.getStageLatency(TID.getSchedClass()) > 2)
+ if (!Itins->isEmpty() && Itins->getStageLatency(TID.getSchedClass()) > 2)
return Sched::Latency;
return Sched::RegPressure;
}
#include "ARMGenCallingConv.inc"
-// APCS f64 is in register pairs, possibly split to stack
-static bool f64AssignAPCS(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- CCState &State, bool CanFail) {
- static const unsigned RegList[] = { ARM::R0, ARM::R1, ARM::R2, ARM::R3 };
-
- // Try to get the first register.
- if (unsigned Reg = State.AllocateReg(RegList, 4))
- State.addLoc(CCValAssign::getCustomReg(ValNo, ValVT, Reg, LocVT, LocInfo));
- else {
- // For the 2nd half of a v2f64, do not fail.
- if (CanFail)
- return false;
-
- // Put the whole thing on the stack.
- State.addLoc(CCValAssign::getCustomMem(ValNo, ValVT,
- State.AllocateStack(8, 4),
- LocVT, LocInfo));
- return true;
- }
-
- // Try to get the second register.
- if (unsigned Reg = State.AllocateReg(RegList, 4))
- State.addLoc(CCValAssign::getCustomReg(ValNo, ValVT, Reg, LocVT, LocInfo));
- else
- State.addLoc(CCValAssign::getCustomMem(ValNo, ValVT,
- State.AllocateStack(4, 4),
- LocVT, LocInfo));
- return true;
-}
-
-static bool CC_ARM_APCS_Custom_f64(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State) {
- if (!f64AssignAPCS(ValNo, ValVT, LocVT, LocInfo, State, true))
- return false;
- if (LocVT == MVT::v2f64 &&
- !f64AssignAPCS(ValNo, ValVT, LocVT, LocInfo, State, false))
- return false;
- return true; // we handled it
-}
-
-// AAPCS f64 is in aligned register pairs
-static bool f64AssignAAPCS(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- CCState &State, bool CanFail) {
- static const unsigned HiRegList[] = { ARM::R0, ARM::R2 };
- static const unsigned LoRegList[] = { ARM::R1, ARM::R3 };
- static const unsigned ShadowRegList[] = { ARM::R0, ARM::R1 };
-
- unsigned Reg = State.AllocateReg(HiRegList, ShadowRegList, 2);
- if (Reg == 0) {
- // For the 2nd half of a v2f64, do not just fail.
- if (CanFail)
- return false;
-
- // Put the whole thing on the stack.
- State.addLoc(CCValAssign::getCustomMem(ValNo, ValVT,
- State.AllocateStack(8, 8),
- LocVT, LocInfo));
- return true;
- }
-
- unsigned i;
- for (i = 0; i < 2; ++i)
- if (HiRegList[i] == Reg)
- break;
-
- unsigned T = State.AllocateReg(LoRegList[i]);
- (void)T;
- assert(T == LoRegList[i] && "Could not allocate register");
-
- State.addLoc(CCValAssign::getCustomReg(ValNo, ValVT, Reg, LocVT, LocInfo));
- State.addLoc(CCValAssign::getCustomReg(ValNo, ValVT, LoRegList[i],
- LocVT, LocInfo));
- return true;
-}
-
-static bool CC_ARM_AAPCS_Custom_f64(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State) {
- if (!f64AssignAAPCS(ValNo, ValVT, LocVT, LocInfo, State, true))
- return false;
- if (LocVT == MVT::v2f64 &&
- !f64AssignAAPCS(ValNo, ValVT, LocVT, LocInfo, State, false))
- return false;
- return true; // we handled it
-}
-
-static bool f64RetAssign(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo, CCState &State) {
- static const unsigned HiRegList[] = { ARM::R0, ARM::R2 };
- static const unsigned LoRegList[] = { ARM::R1, ARM::R3 };
-
- unsigned Reg = State.AllocateReg(HiRegList, LoRegList, 2);
- if (Reg == 0)
- return false; // we didn't handle it
-
- unsigned i;
- for (i = 0; i < 2; ++i)
- if (HiRegList[i] == Reg)
- break;
-
- State.addLoc(CCValAssign::getCustomReg(ValNo, ValVT, Reg, LocVT, LocInfo));
- State.addLoc(CCValAssign::getCustomReg(ValNo, ValVT, LoRegList[i],
- LocVT, LocInfo));
- return true;
-}
-
-static bool RetCC_ARM_APCS_Custom_f64(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State) {
- if (!f64RetAssign(ValNo, ValVT, LocVT, LocInfo, State))
- return false;
- if (LocVT == MVT::v2f64 && !f64RetAssign(ValNo, ValVT, LocVT, LocInfo, State))
- return false;
- return true; // we handled it
-}
-
-static bool RetCC_ARM_AAPCS_Custom_f64(unsigned &ValNo, EVT &ValVT, EVT &LocVT,
- CCValAssign::LocInfo &LocInfo,
- ISD::ArgFlagsTy &ArgFlags,
- CCState &State) {
- return RetCC_ARM_APCS_Custom_f64(ValNo, ValVT, LocVT, LocInfo, ArgFlags,
- State);
-}
-
/// CCAssignFnForNode - Selects the correct CCAssignFn for a the
/// given CallingConvention value.
CCAssignFn *ARMTargetLowering::CCAssignFnForNode(CallingConv::ID CC,
SDValue SizeNode = DAG.getConstant(Flags.getByValSize(), MVT::i32);
return DAG.getMemcpy(Chain, dl, Dst, Src, SizeNode, Flags.getByValAlign(),
/*isVolatile=*/false, /*AlwaysInline=*/false,
- NULL, 0, NULL, 0);
+ MachinePointerInfo(0), MachinePointerInfo(0));
}
/// LowerMemOpCallTo - Store the argument to the stack.
unsigned LocMemOffset = VA.getLocMemOffset();
SDValue PtrOff = DAG.getIntPtrConstant(LocMemOffset);
PtrOff = DAG.getNode(ISD::ADD, dl, getPointerTy(), StackPtr, PtrOff);
- if (Flags.isByVal()) {
+ if (Flags.isByVal())
return CreateCopyOfByValArgument(Arg, PtrOff, Chain, Flags, DAG, dl);
- }
+
return DAG.getStore(Chain, dl, Arg, PtrOff,
- PseudoSourceValue::getStack(), LocMemOffset,
+ MachinePointerInfo::getStack(LocMemOffset),
false, false, 0);
}
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
Callee = DAG.getLoad(getPointerTy(), dl,
DAG.getEntryNode(), CPAddr,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
} else if (ExternalSymbolSDNode *S=dyn_cast<ExternalSymbolSDNode>(Callee)) {
const char *Sym = S->getSymbol();
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
Callee = DAG.getLoad(getPointerTy(), dl,
DAG.getEntryNode(), CPAddr,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
}
} else if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
Callee = DAG.getLoad(getPointerTy(), dl,
DAG.getEntryNode(), CPAddr,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
Callee = DAG.getNode(ARMISD::PIC_ADD, dl,
getPointerTy(), Callee, PICLabel);
- } else
- Callee = DAG.getTargetGlobalAddress(GV, dl, getPointerTy());
+ } else {
+ // On ELF targets for PIC code, direct calls should go through the PLT
+ unsigned OpFlags = 0;
+ if (Subtarget->isTargetELF() &&
+ getTargetMachine().getRelocationModel() == Reloc::PIC_)
+ OpFlags = ARMII::MO_PLT;
+ Callee = DAG.getTargetGlobalAddress(GV, dl, getPointerTy(), 0, OpFlags);
+ }
} else if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(Callee)) {
isDirect = true;
bool isStub = Subtarget->isTargetDarwin() &&
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
Callee = DAG.getLoad(getPointerTy(), dl,
DAG.getEntryNode(), CPAddr,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
Callee = DAG.getNode(ARMISD::PIC_ADD, dl,
getPointerTy(), Callee, PICLabel);
- } else
- Callee = DAG.getTargetExternalSymbol(Sym, getPointerTy());
+ } else {
+ unsigned OpFlags = 0;
+ // On ELF targets for PIC code, direct calls should go through the PLT
+ if (Subtarget->isTargetELF() &&
+ getTargetMachine().getRelocationModel() == Reloc::PIC_)
+ OpFlags = ARMII::MO_PLT;
+ Callee = DAG.getTargetExternalSymbol(Sym, getPointerTy(), OpFlags);
+ }
}
// FIXME: handle tail calls differently.
// LR. This means if we need to reload LR, it takes an extra instructions,
// which outweighs the value of the tail call; but here we don't know yet
// whether LR is going to be used. Probably the right approach is to
- // generate the tail call here and turn it back into CALL/RET in
+ // generate the tail call here and turn it back into CALL/RET in
// emitEpilogue if LR is used.
if (Subtarget->isThumb1Only())
return false;
if (!VA.isRegLoc())
return false;
if (!ArgLocs[++i].isRegLoc())
- return false;
+ return false;
if (RegVT == MVT::v2f64) {
if (!ArgLocs[++i].isRegLoc())
return false;
}
CPAddr = DAG.getNode(ARMISD::Wrapper, DL, PtrVT, CPAddr);
SDValue Result = DAG.getLoad(PtrVT, DL, DAG.getEntryNode(), CPAddr,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
if (RelocM == Reloc::Static)
return Result;
SDValue Argument = DAG.getTargetConstantPool(CPV, PtrVT, 4);
Argument = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, Argument);
Argument = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), Argument,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
SDValue Chain = Argument.getValue(1);
Offset = DAG.getTargetConstantPool(CPV, PtrVT, 4);
Offset = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, Offset);
Offset = DAG.getLoad(PtrVT, dl, Chain, Offset,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
Chain = Offset.getValue(1);
Offset = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Offset, PICLabel);
Offset = DAG.getLoad(PtrVT, dl, Chain, Offset,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
} else {
// local exec model
Offset = DAG.getTargetConstantPool(CPV, PtrVT, 4);
Offset = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, Offset);
Offset = DAG.getLoad(PtrVT, dl, Chain, Offset,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
}
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(),
CPAddr,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
SDValue Chain = Result.getValue(1);
SDValue GOT = DAG.getGLOBAL_OFFSET_TABLE(PtrVT);
Result = DAG.getNode(ISD::ADD, dl, PtrVT, Result, GOT);
if (!UseGOTOFF)
Result = DAG.getLoad(PtrVT, dl, Chain, Result,
- PseudoSourceValue::getGOT(), 0,
- false, false, 0);
+ MachinePointerInfo::getGOT(), false, false, 0);
return Result;
} else {
// If we have T2 ops, we can materialize the address directly via movt/movw
SDValue CPAddr = DAG.getTargetConstantPool(GV, PtrVT, 4);
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
return DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
}
}
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
SDValue Chain = Result.getValue(1);
}
if (Subtarget->GVIsIndirectSymbol(GV, RelocM))
- Result = DAG.getLoad(PtrVT, dl, Chain, Result,
- PseudoSourceValue::getGOT(), 0,
+ Result = DAG.getLoad(PtrVT, dl, Chain, Result, MachinePointerInfo::getGOT(),
false, false, 0);
return Result;
SDValue CPAddr = DAG.getTargetConstantPool(CPV, PtrVT, 4);
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
return DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Result, PICLabel);
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
SDValue Result =
DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr,
- PseudoSourceValue::getConstantPool(), 0,
+ MachinePointerInfo::getConstantPool(),
false, false, 0);
if (RelocM == Reloc::PIC_) {
EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
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);
+ return DAG.getStore(Op.getOperand(0), dl, FR, Op.getOperand(1),
+ MachinePointerInfo(SV), false, false, 0);
}
SDValue
RC = ARM::GPRRegisterClass;
// Transform the arguments stored in physical registers into virtual ones.
- unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC);
+ unsigned Reg = MF.addLiveIn(VA.getLocReg(), RC);
SDValue ArgValue = DAG.getCopyFromReg(Root, dl, Reg, MVT::i32);
SDValue ArgValue2;
// Create load node to retrieve arguments from the stack.
SDValue FIN = DAG.getFrameIndex(FI, getPointerTy());
ArgValue2 = DAG.getLoad(MVT::i32, dl, Root, FIN,
- PseudoSourceValue::getFixedStack(FI), 0,
+ MachinePointerInfo::getFixedStack(FI),
false, false, 0);
} else {
Reg = MF.addLiveIn(NextVA.getLocReg(), RC);
int FI = MFI->CreateFixedObject(8, VA.getLocMemOffset(), true);
SDValue FIN = DAG.getFrameIndex(FI, getPointerTy());
ArgValue2 = DAG.getLoad(MVT::f64, dl, Chain, FIN,
- PseudoSourceValue::getFixedStack(FI), 0,
+ MachinePointerInfo::getFixedStack(FI),
false, false, 0);
} else {
ArgValue2 = GetF64FormalArgument(VA, ArgLocs[++i],
// Create load nodes to retrieve arguments from the stack.
SDValue FIN = DAG.getFrameIndex(FI, getPointerTy());
InVals.push_back(DAG.getLoad(VA.getValVT(), dl, Chain, FIN,
- PseudoSourceValue::getFixedStack(FI), 0,
+ MachinePointerInfo::getFixedStack(FI),
false, false, 0));
}
}
SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, MVT::i32);
SDValue Store =
DAG.getStore(Val.getValue(1), dl, Val, FIN,
- PseudoSourceValue::getFixedStack(AFI->getVarArgsFrameIndex()),
- 0, false, false, 0);
+ MachinePointerInfo::getFixedStack(AFI->getVarArgsFrameIndex()),
+ false, false, 0);
MemOps.push_back(Store);
FIN = DAG.getNode(ISD::ADD, dl, getPointerTy(), FIN,
DAG.getConstant(4, getPointerTy()));
if (LoadSDNode *Ld = dyn_cast<LoadSDNode>(Op))
return DAG.getLoad(MVT::i32, Op.getDebugLoc(),
- Ld->getChain(), Ld->getBasePtr(),
- Ld->getSrcValue(), Ld->getSrcValueOffset(),
+ Ld->getChain(), Ld->getBasePtr(), Ld->getPointerInfo(),
Ld->isVolatile(), Ld->isNonTemporal(),
Ld->getAlignment());
SDValue Ptr = Ld->getBasePtr();
RetVal1 = DAG.getLoad(MVT::i32, Op.getDebugLoc(),
Ld->getChain(), Ptr,
- Ld->getSrcValue(), Ld->getSrcValueOffset(),
+ Ld->getPointerInfo(),
Ld->isVolatile(), Ld->isNonTemporal(),
Ld->getAlignment());
PtrType, Ptr, DAG.getConstant(4, PtrType));
RetVal2 = DAG.getLoad(MVT::i32, Op.getDebugLoc(),
Ld->getChain(), NewPtr,
- Ld->getSrcValue(), Ld->getSrcValueOffset() + 4,
+ Ld->getPointerInfo().getWithOffset(4),
Ld->isVolatile(), Ld->isNonTemporal(),
NewAlign);
return;
}
if (getTargetMachine().getRelocationModel() == Reloc::PIC_) {
Addr = DAG.getLoad((EVT)MVT::i32, dl, Chain, Addr,
- PseudoSourceValue::getJumpTable(), 0,
+ MachinePointerInfo::getJumpTable(),
false, false, 0);
Chain = Addr.getValue(1);
Addr = DAG.getNode(ISD::ADD, dl, PTy, Addr, Table);
return DAG.getNode(ARMISD::BR_JT, dl, MVT::Other, Chain, Addr, JTI, UId);
} else {
Addr = DAG.getLoad(PTy, dl, Chain, Addr,
- PseudoSourceValue::getJumpTable(), 0, false, false, 0);
+ MachinePointerInfo::getJumpTable(), false, false, 0);
Chain = Addr.getValue(1);
return DAG.getNode(ARMISD::BR_JT, dl, MVT::Other, Chain, Addr, JTI, UId);
}
SDValue Offset = DAG.getConstant(4, MVT::i32);
return DAG.getLoad(VT, dl, DAG.getEntryNode(),
DAG.getNode(ISD::ADD, dl, VT, FrameAddr, Offset),
- NULL, 0, false, false, 0);
+ MachinePointerInfo(), false, false, 0);
}
// Return LR, which contains the return address. Mark it an implicit live-in.
? ARM::R7 : ARM::R11;
SDValue FrameAddr = DAG.getCopyFromReg(DAG.getEntryNode(), dl, FrameReg, VT);
while (Depth--)
- FrameAddr = DAG.getLoad(VT, dl, DAG.getEntryNode(), FrameAddr, NULL, 0,
+ FrameAddr = DAG.getLoad(VT, dl, DAG.getEntryNode(), FrameAddr,
+ MachinePointerInfo(),
false, false, 0);
return FrameAddr;
}
return DAG.getMergeValues(Ops, 2, dl);
}
-SDValue ARMTargetLowering::LowerFLT_ROUNDS_(SDValue Op,
+SDValue ARMTargetLowering::LowerFLT_ROUNDS_(SDValue Op,
SelectionDAG &DAG) const {
// The rounding mode is in bits 23:22 of the FPSCR.
// The ARM rounding mode value to FLT_ROUNDS mapping is 0->1, 1->2, 2->3, 3->0
SDValue FPSCR = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::i32,
DAG.getConstant(Intrinsic::arm_get_fpscr,
MVT::i32));
- SDValue FltRounds = DAG.getNode(ISD::ADD, dl, MVT::i32, FPSCR,
+ SDValue FltRounds = DAG.getNode(ISD::ADD, dl, MVT::i32, FPSCR,
DAG.getConstant(1U << 22, MVT::i32));
SDValue RMODE = DAG.getNode(ISD::SRL, dl, MVT::i32, FltRounds,
DAG.getConstant(22, MVT::i32));
- return DAG.getNode(ISD::AND, dl, MVT::i32, RMODE,
+ return DAG.getNode(ISD::AND, dl, MVT::i32, RMODE,
DAG.getConstant(3, MVT::i32));
}
// If this is a case we can't handle, return null and let the default
// expansion code take care of it.
-static SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG,
+static SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG,
const ARMSubtarget *ST) {
BuildVectorSDNode *BVN = cast<BuildVectorSDNode>(Op.getNode());
DebugLoc dl = Op.getDebugLoc();
if (VT.getVectorElementType().isFloatingPoint()) {
SmallVector<SDValue, 8> Ops;
for (unsigned i = 0; i < NumElts; ++i)
- Ops.push_back(DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i32,
+ Ops.push_back(DAG.getNode(ISD::BIT_CONVERT, dl, MVT::i32,
Op.getOperand(i)));
SDValue Val = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4i32, &Ops[0],
NumElts);
- return DAG.getNode(ISD::BIT_CONVERT, dl, VT,
+ return DAG.getNode(ISD::BIT_CONVERT, dl, VT,
LowerBUILD_VECTOR(Val, DAG, ST));
}
SDValue Val = IsSingleInstrConstant(Value, DAG, ST, dl);
return N->getOperand(0);
LoadSDNode *LD = cast<LoadSDNode>(N);
return DAG.getLoad(LD->getMemoryVT(), N->getDebugLoc(), LD->getChain(),
- LD->getBasePtr(), LD->getSrcValue(),
- LD->getSrcValueOffset(), LD->isVolatile(),
+ LD->getBasePtr(), LD->getPointerInfo(), LD->isVolatile(),
LD->isNonTemporal(), LD->getAlignment());
}
if (Subtarget->isThumb1Only())
return SDValue();
- if (DAG.getMachineFunction().
- getFunction()->hasFnAttr(Attribute::OptimizeForSize))
- return SDValue();
-
if (DCI.isBeforeLegalize() || DCI.isCalledByLegalizer())
return SDValue();
/// PerformVMOVRRDCombine - Target-specific dag combine xforms for
/// ARMISD::VMOVRRD.
static SDValue PerformVMOVRRDCombine(SDNode *N,
- TargetLowering::DAGCombinerInfo &DCI) {
- // fmrrd(fmdrr x, y) -> x,y
+ TargetLowering::DAGCombinerInfo &DCI) {
+ // vmovrrd(vmovdrr x, y) -> x,y
SDValue InDouble = N->getOperand(0);
if (InDouble.getOpcode() == ARMISD::VMOVDRR)
return DCI.CombineTo(N, InDouble.getOperand(0), InDouble.getOperand(1));
return SDValue();
}
+/// PerformVMOVDRRCombine - Target-specific dag combine xforms for
+/// ARMISD::VMOVDRR. This is also used for BUILD_VECTORs with 2 operands.
+static SDValue PerformVMOVDRRCombine(SDNode *N, SelectionDAG &DAG) {
+ // N=vmovrrd(X); vmovdrr(N:0, N:1) -> bit_convert(X)
+ SDValue Op0 = N->getOperand(0);
+ SDValue Op1 = N->getOperand(1);
+ if (Op0.getOpcode() == ISD::BIT_CONVERT)
+ Op0 = Op0.getOperand(0);
+ if (Op1.getOpcode() == ISD::BIT_CONVERT)
+ Op1 = Op1.getOperand(0);
+ if (Op0.getOpcode() == ARMISD::VMOVRRD &&
+ Op0.getNode() == Op1.getNode() &&
+ Op0.getResNo() == 0 && Op1.getResNo() == 1)
+ return DAG.getNode(ISD::BIT_CONVERT, N->getDebugLoc(),
+ N->getValueType(0), Op0.getOperand(0));
+ return SDValue();
+}
+
+/// PerformBUILD_VECTORCombine - Target-specific dag combine xforms for
+/// ISD::BUILD_VECTOR.
+static SDValue PerformBUILD_VECTORCombine(SDNode *N, SelectionDAG &DAG) {
+ // build_vector(N=ARMISD::VMOVRRD(X), N:1) -> bit_convert(X):
+ // VMOVRRD is introduced when legalizing i64 types. It forces the i64 value
+ // into a pair of GPRs, which is fine when the value is used as a scalar,
+ // but if the i64 value is converted to a vector, we need to undo the VMOVRRD.
+ if (N->getNumOperands() == 2)
+ return PerformVMOVDRRCombine(N, DAG);
+
+ return SDValue();
+}
+
/// PerformVDUPLANECombine - Target-specific dag combine xforms for
/// ARMISD::VDUPLANE.
-static SDValue PerformVDUPLANECombine(SDNode *N,
- TargetLowering::DAGCombinerInfo &DCI) {
+static SDValue PerformVDUPLANECombine(SDNode *N, SelectionDAG &DAG) {
// If the source is already a VMOVIMM or VMVNIMM splat, the VDUPLANE is
// redundant.
SDValue Op = N->getOperand(0);
if (EltSize > VT.getVectorElementType().getSizeInBits())
return SDValue();
- SDValue Res = DCI.DAG.getNode(ISD::BIT_CONVERT, N->getDebugLoc(), VT, Op);
- return DCI.CombineTo(N, Res, false);
+ return DAG.getNode(ISD::BIT_CONVERT, N->getDebugLoc(), VT, Op);
}
/// getVShiftImm - Check if this is a valid build_vector for the immediate
case ISD::MUL: return PerformMULCombine(N, DCI, Subtarget);
case ISD::OR: return PerformORCombine(N, DCI, Subtarget);
case ARMISD::VMOVRRD: return PerformVMOVRRDCombine(N, DCI);
- case ARMISD::VDUPLANE: return PerformVDUPLANECombine(N, DCI);
+ case ARMISD::VMOVDRR: return PerformVMOVDRRCombine(N, DCI.DAG);
+ case ISD::BUILD_VECTOR: return PerformBUILD_VECTORCombine(N, DCI.DAG);
+ case ARMISD::VDUPLANE: return PerformVDUPLANECombine(N, DCI.DAG);
case ISD::INTRINSIC_WO_CHAIN: return PerformIntrinsicCombine(N, DCI.DAG);
case ISD::SHL:
case ISD::SRA:
}
bool ARMTargetLowering::allowsUnalignedMemoryAccesses(EVT VT) const {
- if (!Subtarget->hasV6Ops())
- // Pre-v6 does not support unaligned mem access.
- return false;
-
- // v6+ may or may not support unaligned mem access depending on the system
- // configuration.
- // FIXME: This is pretty conservative. Should we provide cmdline option to
- // control the behaviour?
- if (!Subtarget->isTargetDarwin())
+ if (!Subtarget->allowsUnalignedMem())
return false;
switch (VT.getSimpleVT().SimpleTy) {
if (!Subtarget->isThumb())
return ARM_AM::getSOImmVal(Imm) != -1;
if (Subtarget->isThumb2())
- return ARM_AM::getT2SOImmVal(Imm) != -1;
+ return ARM_AM::getT2SOImmVal(Imm) != -1;
return Imm >= 0 && Imm <= 255;
}
return ARM::getVFPf64Imm(Imm) != -1;
return false;
}
+
+/// getTgtMemIntrinsic - Represent NEON load and store intrinsics as
+/// MemIntrinsicNodes. The associated MachineMemOperands record the alignment
+/// specified in the intrinsic calls.
+bool ARMTargetLowering::getTgtMemIntrinsic(IntrinsicInfo &Info,
+ const CallInst &I,
+ unsigned Intrinsic) const {
+ switch (Intrinsic) {
+ case Intrinsic::arm_neon_vld1:
+ case Intrinsic::arm_neon_vld2:
+ case Intrinsic::arm_neon_vld3:
+ case Intrinsic::arm_neon_vld4:
+ case Intrinsic::arm_neon_vld2lane:
+ case Intrinsic::arm_neon_vld3lane:
+ case Intrinsic::arm_neon_vld4lane: {
+ Info.opc = ISD::INTRINSIC_W_CHAIN;
+ // Conservatively set memVT to the entire set of vectors loaded.
+ uint64_t NumElts = getTargetData()->getTypeAllocSize(I.getType()) / 8;
+ Info.memVT = EVT::getVectorVT(I.getType()->getContext(), MVT::i64, NumElts);
+ Info.ptrVal = I.getArgOperand(0);
+ Info.offset = 0;
+ Value *AlignArg = I.getArgOperand(I.getNumArgOperands() - 1);
+ Info.align = cast<ConstantInt>(AlignArg)->getZExtValue();
+ Info.vol = false; // volatile loads with NEON intrinsics not supported
+ Info.readMem = true;
+ Info.writeMem = false;
+ return true;
+ }
+ case Intrinsic::arm_neon_vst1:
+ case Intrinsic::arm_neon_vst2:
+ case Intrinsic::arm_neon_vst3:
+ case Intrinsic::arm_neon_vst4:
+ case Intrinsic::arm_neon_vst2lane:
+ case Intrinsic::arm_neon_vst3lane:
+ case Intrinsic::arm_neon_vst4lane: {
+ Info.opc = ISD::INTRINSIC_VOID;
+ // Conservatively set memVT to the entire set of vectors stored.
+ unsigned NumElts = 0;
+ for (unsigned ArgI = 1, ArgE = I.getNumArgOperands(); ArgI < ArgE; ++ArgI) {
+ const Type *ArgTy = I.getArgOperand(ArgI)->getType();
+ if (!ArgTy->isVectorTy())
+ break;
+ NumElts += getTargetData()->getTypeAllocSize(ArgTy) / 8;
+ }
+ Info.memVT = EVT::getVectorVT(I.getType()->getContext(), MVT::i64, NumElts);
+ Info.ptrVal = I.getArgOperand(0);
+ Info.offset = 0;
+ Value *AlignArg = I.getArgOperand(I.getNumArgOperands() - 1);
+ Info.align = cast<ConstantInt>(AlignArg)->getZExtValue();
+ Info.vol = false; // volatile stores with NEON intrinsics not supported
+ Info.readMem = false;
+ Info.writeMem = true;
+ return true;
+ }
+ default:
+ break;
+ }
+
+ return false;
+}