AMDGPUCallLowering.cpp File Reference

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

#include "AMDGPUCallLowering.h"
#include "AMDGPU.h"
#include "AMDGPULegalizerInfo.h"
#include "SIMachineFunctionInfo.h"
#include "SIRegisterInfo.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/PseudoSourceValueManager.h"
#include "llvm/IR/IntrinsicsAMDGPU.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "amdgpu-call-lowering"

Functions
static ISD::NodeType	extOpcodeToISDExtOpcode (unsigned MIOpc)
static void	allocateHSAUserSGPRs (CCState &CCInfo, MachineIRBuilder &B, MachineFunction &MF, const SIRegisterInfo &TRI, SIMachineFunctionInfo &Info)
static std::pair< CCAssignFn *, CCAssignFn * >	getAssignFnsForCC (CallingConv::ID CC, const SITargetLowering &TLI)
	Returns a pair containing the fixed CCAssignFn and the vararg CCAssignFn for CC.
static unsigned	getCallOpcode (const MachineFunction &CallerF, bool IsIndirect, bool IsTailCall, bool IsWave32, CallingConv::ID CC, bool IsDynamicVGPRChainCall=false)
static bool	addCallTargetOperands (MachineInstrBuilder &CallInst, MachineIRBuilder &MIRBuilder, AMDGPUCallLowering::CallLoweringInfo &Info, bool IsDynamicVGPRChainCall=false)

Detailed Description

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

Definition in file AMDGPUCallLowering.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "amdgpu-call-lowering"

Definition at line 27 of file AMDGPUCallLowering.cpp.

Function Documentation

addCallTargetOperands()

bool addCallTargetOperands ( MachineInstrBuilder & CallInst, MachineIRBuilder & MIRBuilder, AMDGPUCallLowering::CallLoweringInfo & Info, bool IsDynamicVGPRChainCall = false )

static

Definition at line 1064 of file AMDGPUCallLowering.cpp.

References llvm::MachineIRBuilder::buildGlobalValue(), llvm::GlobalValue::getAddressSpace(), and llvm::LLT::pointer().

Referenced by llvm::AMDGPUCallLowering::lowerCall(), and llvm::AMDGPUCallLowering::lowerTailCall().

allocateHSAUserSGPRs()

void allocateHSAUserSGPRs ( CCState & CCInfo, MachineIRBuilder & B, MachineFunction & MF, const SIRegisterInfo & TRI, SIMachineFunctionInfo & Info )

static

Definition at line 497 of file AMDGPUCallLowering.cpp.

References llvm::MachineFunction::addLiveIn(), llvm::MachineRegisterInfo::addLiveIn(), llvm::CCState::AllocateReg(), B(), llvm::AMDGPUAS::CONSTANT_ADDRESS, llvm::MachineRegisterInfo::createGenericVirtualRegister(), llvm::MachineFunction::getRegInfo(), llvm::GCNUserSGPRUsageInfo::hasDispatchID(), llvm::GCNUserSGPRUsageInfo::hasDispatchPtr(), llvm::GCNUserSGPRUsageInfo::hasFlatScratchInit(), llvm::GCNUserSGPRUsageInfo::hasKernargSegmentPtr(), llvm::GCNUserSGPRUsageInfo::hasPrivateSegmentBuffer(), llvm::GCNUserSGPRUsageInfo::hasPrivateSegmentSize(), llvm::GCNUserSGPRUsageInfo::hasQueuePtr(), llvm::LLT::pointer(), and TRI.

Referenced by llvm::AMDGPUCallLowering::lowerFormalArgumentsKernel().

extOpcodeToISDExtOpcode()

ISD::NodeType extOpcodeToISDExtOpcode ( unsigned MIOpc )

static

Definition at line 305 of file AMDGPUCallLowering.cpp.

References llvm::ISD::ANY_EXTEND, llvm_unreachable, llvm::ISD::SIGN_EXTEND, and llvm::ISD::ZERO_EXTEND.

getAssignFnsForCC()

std::pair< CCAssignFn *, CCAssignFn * > getAssignFnsForCC ( CallingConv::ID CC, const SITargetLowering & TLI )

static

Returns a pair containing the fixed CCAssignFn and the vararg CCAssignFn for CC.

Definition at line 1031 of file AMDGPUCallLowering.cpp.

References llvm::AMDGPUTargetLowering::CCAssignFnForCall().

getCallOpcode()

unsigned getCallOpcode ( const MachineFunction & CallerF, bool IsIndirect, bool IsTailCall, bool IsWave32, CallingConv::ID CC, bool IsDynamicVGPRChainCall = false )

static

Definition at line 1035 of file AMDGPUCallLowering.cpp.

References llvm::CallingConv::AMDGPU_Gfx, llvm::CallingConv::AMDGPU_Gfx_WholeWave, assert(), llvm::Function::getCallingConv(), llvm::MachineFunction::getFunction(), and llvm::AMDGPU::isChainCC().