RISCVCallLowering.cpp File Reference

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

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

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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)

Detailed Description

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

Definition in file RISCVCallLowering.cpp.

Function Documentation

isLegalElementTypeForRVV()

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

static

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

Definition at line 327 of file RISCVCallLowering.cpp.

References llvm::RISCVSubtarget::hasVInstructionsBF16Minimal(), 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()

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

static

Definition at line 349 of file RISCVCallLowering.cpp.

References llvm::RISCVSubtarget::hasVInstructions(), isLegalElementTypeForRVV(), isSupportedArgumentType(), and T.

isSupportedReturnType()

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

static

Definition at line 371 of file RISCVCallLowering.cpp.

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