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/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 26 of file AMDGPUCallLowering.cpp.

Function Documentation

addCallTargetOperands()

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

static

Definition at line 1012 of file AMDGPUCallLowering.cpp.

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

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

allocateHSAUserSGPRs()

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

static

Definition at line 453 of file AMDGPUCallLowering.cpp.

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

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

extOpcodeToISDExtOpcode()

static ISD::NodeType extOpcodeToISDExtOpcode ( unsigned  MIOpc )

static

Definition at line 262 of file AMDGPUCallLowering.cpp.

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

getAssignFnsForCC()

static 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 985 of file AMDGPUCallLowering.cpp.

References llvm::AMDGPUTargetLowering::CCAssignFnForCall().

getCallOpcode()

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

static

Definition at line 989 of file AMDGPUCallLowering.cpp.

References llvm::CallingConv::AMDGPU_Gfx, assert(), and llvm::AMDGPU::isChainCC().