RISCVCallLowering.cpp File Reference

This file implements the lowering of LLVM calls to machine code calls for GlobalISel. More...

#include "RISCVCallLowering.h"
#include "RISCVISelLowering.h"
#include "RISCVMachineFunctionInfo.h"
#include "RISCVSubtarget.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
#include "llvm/CodeGen/MachineFrameInfo.h"

Go to the source code of this file.

Functions
static bool	isLegalElementTypeForRVV (Type *EltTy, const RISCVSubtarget &Subtarget)
	Return true if scalable vector with ScalarTy is legal for lowering.
static bool	isSupportedArgumentType (Type *T, const RISCVSubtarget &Subtarget, bool IsLowerArgs=false)
static bool	isSupportedReturnType (Type *T, const RISCVSubtarget &Subtarget, bool IsLowerRetVal=false)

Variables
static const MCPhysReg	ArgGPRs []

Detailed Description

This file implements the lowering of LLVM calls to machine code calls for GlobalISel.

Definition in file RISCVCallLowering.cpp.

Function Documentation

isLegalElementTypeForRVV()

static bool isLegalElementTypeForRVV ( Type *  EltTy, const RISCVSubtarget &  Subtarget  )

static

Return true if scalable vector with ScalarTy is legal for lowering.

Definition at line 309 of file RISCVCallLowering.cpp.

References llvm::RISCVSubtarget::hasVInstructionsBF16(), llvm::RISCVSubtarget::hasVInstructionsF16(), llvm::RISCVSubtarget::hasVInstructionsF32(), llvm::RISCVSubtarget::hasVInstructionsF64(), llvm::RISCVSubtarget::hasVInstructionsI64(), llvm::RISCVSubtarget::is64Bit(), llvm::Type::isBFloatTy(), llvm::Type::isDoubleTy(), llvm::Type::isFloatTy(), llvm::Type::isHalfTy(), llvm::Type::isIntegerTy(), and llvm::Type::isPointerTy().

Referenced by isSupportedArgumentType(), and isSupportedReturnType().

isSupportedArgumentType()

static bool isSupportedArgumentType ( Type *  T, const RISCVSubtarget &  Subtarget, bool  IsLowerArgs = false  )

static

Definition at line 331 of file RISCVCallLowering.cpp.

References llvm::RISCVSubtarget::getXLen(), llvm::RISCVSubtarget::hasVInstructions(), and isLegalElementTypeForRVV().

isSupportedReturnType()

static bool isSupportedReturnType ( Type *  T, const RISCVSubtarget &  Subtarget, bool  IsLowerRetVal = false  )

static

Definition at line 352 of file RISCVCallLowering.cpp.

References llvm::RISCVSubtarget::getXLen(), llvm::RISCVSubtarget::hasVInstructions(), isLegalElementTypeForRVV(), and isSupportedReturnType().

Variable Documentation

ArgGPRs

const MCPhysReg ArgGPRs[]

static

Initial value:

= {RISCV::X10, RISCV::X11, RISCV::X12,
                                    RISCV::X13, RISCV::X14, RISCV::X15,
                                    RISCV::X16, RISCV::X17}

Definition at line 426 of file RISCVCallLowering.cpp.