RISCVCallingConv.cpp File Reference

#include "RISCVCallingConv.h"
#include "RISCVMachineFunctionInfo.h"
#include "RISCVSubtarget.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Module.h"
#include "llvm/MC/MCRegister.h"

Go to the source code of this file.

Functions
static bool	CC_RISCV_Impl (unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, Type *OrigTy, CCState &State, bool IsRet)
static ArrayRef< MCPhysReg >	getArgGPR16s (const RISCVABI::ABI ABI)
static ArrayRef< MCPhysReg >	getArgGPR32s (const RISCVABI::ABI ABI)
static ArrayRef< MCPhysReg >	getFastCCArgGPRs (const RISCVABI::ABI ABI)
static ArrayRef< MCPhysReg >	getFastCCArgGPRF16s (const RISCVABI::ABI ABI)
static ArrayRef< MCPhysReg >	getFastCCArgGPRF32s (const RISCVABI::ABI ABI)
static bool	CC_RISCVAssign2XLen (CCState &State, CCValAssign VA1, ISD::ArgFlagsTy ArgFlags1, unsigned ValNo2, MVT ValVT2, MVT LocVT2, ISD::ArgFlagsTy ArgFlags2, const RISCVSubtarget &Subtarget)
static MCRegister	allocateRVVReg (MVT ValVT, unsigned ValNo, CCState &State, const RISCVTargetLowering &TLI)
static bool	CC_RISCV_FastCC (unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, Type *OrigTy, CCState &State)
static bool	CC_RISCV_GHC (unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, Type *OrigTy, CCState &State)

Variables
static CCAssignFn	CC_RISCV_GHC
	Used for assigning arguments with CallingConvention::GHC.
static CCAssignFn	CC_RISCV_FastCC
	Used for assigning arguments with CallingConvention::Fast.
static const MCPhysReg	ArgFPR16s []
static const MCPhysReg	ArgFPR32s []
static const MCPhysReg	ArgFPR64s []
static const MCPhysReg	ArgVRs []
static const MCPhysReg	ArgVRM2s []
static const MCPhysReg	ArgVRM4s []
static const MCPhysReg	ArgVRM8s [] = {RISCV::V8M8, RISCV::V16M8}
static const MCPhysReg	ArgVRN2M1s []
static const MCPhysReg	ArgVRN3M1s []
static const MCPhysReg	ArgVRN4M1s []
static const MCPhysReg	ArgVRN5M1s []
static const MCPhysReg	ArgVRN6M1s []
static const MCPhysReg	ArgVRN7M1s []
static const MCPhysReg	ArgVRN8M1s []
static const MCPhysReg	ArgVRN2M2s []
static const MCPhysReg	ArgVRN3M2s []
static const MCPhysReg	ArgVRN4M2s []
static const MCPhysReg	ArgVRN2M4s []

Function Documentation

allocateRVVReg()

MCRegister allocateRVVReg ( MVT ValVT, unsigned ValNo, CCState & State, const RISCVTargetLowering & TLI )

static

Definition at line 321 of file RISCVCallingConv.cpp.

References ArgVRM2s, ArgVRM4s, ArgVRM8s, ArgVRN2M1s, ArgVRN2M2s, ArgVRN2M4s, ArgVRN3M1s, ArgVRN3M2s, ArgVRN4M1s, ArgVRN4M2s, ArgVRN5M1s, ArgVRN6M1s, ArgVRN7M1s, ArgVRN8M1s, ArgVRs, llvm::TargetLoweringBase::getRegClassFor(), llvm::MVT::getVectorElementType(), llvm_unreachable, and Reg.

Referenced by CC_RISCV_FastCC(), and CC_RISCV_Impl().

CC_RISCV_FastCC()

bool CC_RISCV_FastCC ( unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, Type * OrigTy, CCState & State )

static

Definition at line 667 of file RISCVCallingConv.cpp.

References allocateRVVReg(), ArgGPRs, llvm::CCValAssign::getCustomReg(), getFastCCArgGPRF16s(), getFastCCArgGPRF32s(), getFastCCArgGPRs(), llvm::CCValAssign::getMem(), llvm::CCValAssign::getReg(), llvm::MVT::getScalarSizeInBits(), llvm::MVT::getSizeInBits(), llvm::MVT::getStoreSize(), llvm::MachineFunction::getSubtarget(), llvm::RISCVSubtarget::getTargetABI(), llvm::RISCVSubtarget::getTargetLowering(), llvm::RISCVSubtarget::getXLen(), llvm::RISCVSubtarget::getXLenVT(), llvm::CCValAssign::Indirect, llvm::RISCVSubtarget::is64Bit(), llvm::MVT::isFixedLengthVector(), llvm::MVT::isScalableVector(), llvm::MVT::isVector(), llvm::Offset, Reg, and llvm::MaybeAlign::valueOrOne().

CC_RISCV_GHC()

bool CC_RISCV_GHC ( unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, Type * OrigTy, CCState & State )

static

Definition at line 788 of file RISCVCallingConv.cpp.

References llvm::CCValAssign::getReg(), llvm::RISCVSubtarget::is64Bit(), llvm::ISD::ArgFlagsTy::isNest(), Reg, and llvm::report_fatal_error().

CC_RISCV_Impl()

bool CC_RISCV_Impl ( unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, ISD::ArgFlagsTy ArgFlags, Type * OrigTy, CCState & State, bool IsRet )

static

Definition at line 367 of file RISCVCallingConv.cpp.

References llvm::RISCVABI::ABI_ILP32, llvm::RISCVABI::ABI_ILP32D, llvm::RISCVABI::ABI_ILP32E, llvm::RISCVABI::ABI_ILP32F, llvm::RISCVABI::ABI_LP64, llvm::RISCVABI::ABI_LP64D, llvm::RISCVABI::ABI_LP64E, llvm::RISCVABI::ABI_LP64F, allocateRVVReg(), ArgFPR16s, ArgFPR32s, ArgFPR64s, ArgGPRs, assert(), llvm::CCValAssign::BCvt, CC_RISCVAssign2XLen(), llvm::SmallVectorImpl< T >::clear(), DL, llvm::SmallVectorTemplateCommon< T, typename >::empty(), getArgGPR16s(), getArgGPR32s(), llvm::RISCV::getArgGPRs(), llvm::CCValAssign::getCustomMem(), llvm::CCValAssign::getCustomReg(), llvm::MachineFunction::getDataLayout(), llvm::MachineFunction::getInfo(), llvm::CCValAssign::getMem(), llvm::ISD::ArgFlagsTy::getNonZeroOrigAlign(), llvm::CCValAssign::getPending(), llvm::CCValAssign::getReg(), llvm::MVT::getScalarSizeInBits(), llvm::MVT::getStoreSize(), llvm::MachineFunction::getSubtarget(), llvm::RISCVSubtarget::getTargetABI(), llvm::RISCVSubtarget::getTargetLowering(), llvm::RISCVSubtarget::getXLen(), llvm::RISCVSubtarget::getXLenVT(), llvm::CCValAssign::Indirect, llvm::MVT::isFixedLengthVector(), llvm::MVT::isFloatingPoint(), llvm::ISD::ArgFlagsTy::isNest(), llvm::RISCVSubtarget::isPExtPackedType(), llvm::MVT::isRISCVVectorTuple(), llvm::MVT::isScalableVector(), llvm::MVT::isScalarInteger(), llvm::ISD::ArgFlagsTy::isSplit(), llvm::ISD::ArgFlagsTy::isSplitEnd(), llvm::ISD::ArgFlagsTy::isVarArg(), llvm::MVT::isVector(), llvm_unreachable, llvm::SmallVectorTemplateBase< T, bool >::push_back(), Reg, llvm::reportFatalUsageError(), llvm::SmallVectorTemplateCommon< T, typename >::size(), and llvm::MaybeAlign::valueOrOne().

CC_RISCVAssign2XLen()

bool CC_RISCVAssign2XLen ( CCState & State, CCValAssign VA1, ISD::ArgFlagsTy ArgFlags1, unsigned ValNo2, MVT ValVT2, MVT LocVT2, ISD::ArgFlagsTy ArgFlags2, const RISCVSubtarget & Subtarget )

static

Definition at line 274 of file RISCVCallingConv.cpp.

References llvm::RISCVABI::ABI_ILP32E, llvm::RISCVABI::ABI_LP64E, ArgGPRs, llvm::CCValAssign::Full, llvm::RISCV::getArgGPRs(), llvm::CCValAssign::getLocVT(), llvm::CCValAssign::getMem(), llvm::ISD::ArgFlagsTy::getNonZeroOrigAlign(), llvm::CCValAssign::getReg(), llvm::RISCVSubtarget::getTargetABI(), llvm::CCValAssign::getValNo(), llvm::CCValAssign::getValVT(), llvm::RISCVSubtarget::getXLen(), and Reg.

Referenced by CC_RISCV_Impl().

getArgGPR16s()

ArrayRef< MCPhysReg > getArgGPR16s ( const RISCVABI::ABI ABI )

static

Definition at line 180 of file RISCVCallingConv.cpp.

References llvm::RISCVABI::ABI_ILP32E, llvm::RISCVABI::ABI_LP64E, and llvm::ArrayRef().

Referenced by CC_RISCV_Impl().

getArgGPR32s()

ArrayRef< MCPhysReg > getArgGPR32s ( const RISCVABI::ABI ABI )

static

Definition at line 197 of file RISCVCallingConv.cpp.

References llvm::RISCVABI::ABI_ILP32E, llvm::RISCVABI::ABI_LP64E, and llvm::ArrayRef().

Referenced by CC_RISCV_Impl().

getFastCCArgGPRF16s()

ArrayRef< MCPhysReg > getFastCCArgGPRF16s ( const RISCVABI::ABI ABI )

static

Definition at line 232 of file RISCVCallingConv.cpp.

References llvm::RISCVABI::ABI_ILP32E, llvm::RISCVABI::ABI_LP64E, and llvm::ArrayRef().

Referenced by CC_RISCV_FastCC().

getFastCCArgGPRF32s()

ArrayRef< MCPhysReg > getFastCCArgGPRF32s ( const RISCVABI::ABI ABI )

static

Definition at line 252 of file RISCVCallingConv.cpp.

References llvm::RISCVABI::ABI_ILP32E, llvm::RISCVABI::ABI_LP64E, and llvm::ArrayRef().

Referenced by CC_RISCV_FastCC().

getFastCCArgGPRs()

ArrayRef< MCPhysReg > getFastCCArgGPRs ( const RISCVABI::ABI ABI )

static

Definition at line 214 of file RISCVCallingConv.cpp.

References llvm::RISCVABI::ABI_ILP32E, llvm::RISCVABI::ABI_LP64E, and llvm::ArrayRef().

Referenced by CC_RISCV_FastCC().

Variable Documentation

ArgFPR16s

const MCPhysReg ArgFPR16s[]

static

Initial value:

= {RISCV::F10_H, RISCV::F11_H, RISCV::F12_H,
                                      RISCV::F13_H, RISCV::F14_H, RISCV::F15_H,
                                      RISCV::F16_H, RISCV::F17_H}

Definition at line 83 of file RISCVCallingConv.cpp.

Referenced by CC_RISCV_Impl().

ArgFPR32s

const MCPhysReg ArgFPR32s[]

static

Initial value:

= {RISCV::F10_F, RISCV::F11_F, RISCV::F12_F,
                                      RISCV::F13_F, RISCV::F14_F, RISCV::F15_F,
                                      RISCV::F16_F, RISCV::F17_F}

Definition at line 86 of file RISCVCallingConv.cpp.

ArgFPR64s

const MCPhysReg ArgFPR64s[]

static

Initial value:

= {RISCV::F10_D, RISCV::F11_D, RISCV::F12_D,
                                      RISCV::F13_D, RISCV::F14_D, RISCV::F15_D,
                                      RISCV::F16_D, RISCV::F17_D}

Definition at line 89 of file RISCVCallingConv.cpp.

ArgVRM2s

const MCPhysReg ArgVRM2s[]

static

Initial value:

= {RISCV::V8M2,  RISCV::V10M2, RISCV::V12M2,
                                     RISCV::V14M2, RISCV::V16M2, RISCV::V18M2,
                                     RISCV::V20M2, RISCV::V22M2}

Definition at line 97 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRM4s

const MCPhysReg ArgVRM4s[]

static

Initial value:

= {RISCV::V8M4, RISCV::V12M4, RISCV::V16M4,
                                     RISCV::V20M4}

Definition at line 100 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRM8s

const MCPhysReg ArgVRM8s[] = {RISCV::V8M8, RISCV::V16M8}

static

Definition at line 102 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN2M1s

const MCPhysReg ArgVRN2M1s[]

static

Initial value:

= {
    RISCV::V8_V9,   RISCV::V9_V10,  RISCV::V10_V11, RISCV::V11_V12,
    RISCV::V12_V13, RISCV::V13_V14, RISCV::V14_V15, RISCV::V15_V16,
    RISCV::V16_V17, RISCV::V17_V18, RISCV::V18_V19, RISCV::V19_V20,
    RISCV::V20_V21, RISCV::V21_V22, RISCV::V22_V23}

Definition at line 103 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN2M2s

const MCPhysReg ArgVRN2M2s[]

static

Initial value:

= {RISCV::V8M2_V10M2,  RISCV::V10M2_V12M2,
                                       RISCV::V12M2_V14M2, RISCV::V14M2_V16M2,
                                       RISCV::V16M2_V18M2, RISCV::V18M2_V20M2,
                                       RISCV::V20M2_V22M2}

Definition at line 149 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN2M4s

const MCPhysReg ArgVRN2M4s[]

static

Initial value:

= {RISCV::V8M4_V12M4, RISCV::V12M4_V16M4,
                                       RISCV::V16M4_V20M4}

Definition at line 161 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN3M1s

const MCPhysReg ArgVRN3M1s[]

static

Initial value:

= {
    RISCV::V8_V9_V10,   RISCV::V9_V10_V11,  RISCV::V10_V11_V12,
    RISCV::V11_V12_V13, RISCV::V12_V13_V14, RISCV::V13_V14_V15,
    RISCV::V14_V15_V16, RISCV::V15_V16_V17, RISCV::V16_V17_V18,
    RISCV::V17_V18_V19, RISCV::V18_V19_V20, RISCV::V19_V20_V21,
    RISCV::V20_V21_V22, RISCV::V21_V22_V23}

Definition at line 108 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN3M2s

const MCPhysReg ArgVRN3M2s[]

static

Initial value:

= {
    RISCV::V8M2_V10M2_V12M2,  RISCV::V10M2_V12M2_V14M2,
    RISCV::V12M2_V14M2_V16M2, RISCV::V14M2_V16M2_V18M2,
    RISCV::V16M2_V18M2_V20M2, RISCV::V18M2_V20M2_V22M2}

Definition at line 153 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN4M1s

const MCPhysReg ArgVRN4M1s[]

static

Initial value:

= {
    RISCV::V8_V9_V10_V11,   RISCV::V9_V10_V11_V12,  RISCV::V10_V11_V12_V13,
    RISCV::V11_V12_V13_V14, RISCV::V12_V13_V14_V15, RISCV::V13_V14_V15_V16,
    RISCV::V14_V15_V16_V17, RISCV::V15_V16_V17_V18, RISCV::V16_V17_V18_V19,
    RISCV::V17_V18_V19_V20, RISCV::V18_V19_V20_V21, RISCV::V19_V20_V21_V22,
    RISCV::V20_V21_V22_V23}

Definition at line 114 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN4M2s

const MCPhysReg ArgVRN4M2s[]

static

Initial value:

= {
    RISCV::V8M2_V10M2_V12M2_V14M2, RISCV::V10M2_V12M2_V14M2_V16M2,
    RISCV::V12M2_V14M2_V16M2_V18M2, RISCV::V14M2_V16M2_V18M2_V20M2,
    RISCV::V16M2_V18M2_V20M2_V22M2}

Definition at line 157 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN5M1s

const MCPhysReg ArgVRN5M1s[]

static

Initial value:

= {
    RISCV::V8_V9_V10_V11_V12,   RISCV::V9_V10_V11_V12_V13,
    RISCV::V10_V11_V12_V13_V14, RISCV::V11_V12_V13_V14_V15,
    RISCV::V12_V13_V14_V15_V16, RISCV::V13_V14_V15_V16_V17,
    RISCV::V14_V15_V16_V17_V18, RISCV::V15_V16_V17_V18_V19,
    RISCV::V16_V17_V18_V19_V20, RISCV::V17_V18_V19_V20_V21,
    RISCV::V18_V19_V20_V21_V22, RISCV::V19_V20_V21_V22_V23}

Definition at line 120 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN6M1s

const MCPhysReg ArgVRN6M1s[]

static

Initial value:

= {
    RISCV::V8_V9_V10_V11_V12_V13,   RISCV::V9_V10_V11_V12_V13_V14,
    RISCV::V10_V11_V12_V13_V14_V15, RISCV::V11_V12_V13_V14_V15_V16,
    RISCV::V12_V13_V14_V15_V16_V17, RISCV::V13_V14_V15_V16_V17_V18,
    RISCV::V14_V15_V16_V17_V18_V19, RISCV::V15_V16_V17_V18_V19_V20,
    RISCV::V16_V17_V18_V19_V20_V21, RISCV::V17_V18_V19_V20_V21_V22,
    RISCV::V18_V19_V20_V21_V22_V23}

Definition at line 127 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN7M1s

const MCPhysReg ArgVRN7M1s[]

static

Initial value:

= {
    RISCV::V8_V9_V10_V11_V12_V13_V14,   RISCV::V9_V10_V11_V12_V13_V14_V15,
    RISCV::V10_V11_V12_V13_V14_V15_V16, RISCV::V11_V12_V13_V14_V15_V16_V17,
    RISCV::V12_V13_V14_V15_V16_V17_V18, RISCV::V13_V14_V15_V16_V17_V18_V19,
    RISCV::V14_V15_V16_V17_V18_V19_V20, RISCV::V15_V16_V17_V18_V19_V20_V21,
    RISCV::V16_V17_V18_V19_V20_V21_V22, RISCV::V17_V18_V19_V20_V21_V22_V23}

Definition at line 134 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRN8M1s

const MCPhysReg ArgVRN8M1s[]

static

Initial value:

= {RISCV::V8_V9_V10_V11_V12_V13_V14_V15,
                                       RISCV::V9_V10_V11_V12_V13_V14_V15_V16,
                                       RISCV::V10_V11_V12_V13_V14_V15_V16_V17,
                                       RISCV::V11_V12_V13_V14_V15_V16_V17_V18,
                                       RISCV::V12_V13_V14_V15_V16_V17_V18_V19,
                                       RISCV::V13_V14_V15_V16_V17_V18_V19_V20,
                                       RISCV::V14_V15_V16_V17_V18_V19_V20_V21,
                                       RISCV::V15_V16_V17_V18_V19_V20_V21_V22,
                                       RISCV::V16_V17_V18_V19_V20_V21_V22_V23}

Definition at line 140 of file RISCVCallingConv.cpp.

Referenced by allocateRVVReg().

ArgVRs

const MCPhysReg ArgVRs[]

static

Initial value:

= {
    RISCV::V8,  RISCV::V9,  RISCV::V10, RISCV::V11, RISCV::V12, RISCV::V13,
    RISCV::V14, RISCV::V15, RISCV::V16, RISCV::V17, RISCV::V18, RISCV::V19,
    RISCV::V20, RISCV::V21, RISCV::V22, RISCV::V23}

Definition at line 93 of file RISCVCallingConv.cpp.

CC_RISCV_FastCC

CCAssignFn CC_RISCV_FastCC

static

Used for assigning arguments with CallingConvention::Fast.

Definition at line 33 of file RISCVCallingConv.cpp.

CC_RISCV_GHC

CCAssignFn CC_RISCV_GHC

static

Used for assigning arguments with CallingConvention::GHC.

Definition at line 30 of file RISCVCallingConv.cpp.