19#define DEBUG_TYPE "bpf-call-lowering"
This file describes how to lower LLVM calls to machine code calls.
This file declares the MachineIRBuilder class.
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
bool empty() const
empty - Check if the array is empty.
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F, ArrayRef< ArrayRef< Register > > VRegs, FunctionLoweringInfo &FLI) const override
This hook must be implemented to lower the incoming (formal) arguments, described by VRegs,...
bool lowerReturn(MachineIRBuilder &MIRBuilder, const Value *Val, ArrayRef< Register > VRegs, FunctionLoweringInfo &FLI, Register SwiftErrorVReg) const override
This hook must be implemented to lower outgoing return values, described by Val, into the specified v...
BPFCallLowering(const BPFTargetLowering &TLI)
bool lowerCall(MachineIRBuilder &MIRBuilder, CallLoweringInfo &Info) const override
This hook must be implemented to lower the given call instruction, including argument and return valu...
FunctionLoweringInfo - This contains information that is global to a function that is used when lower...
Helper class to build MachineInstr.
MachineInstrBuilder buildInstr(unsigned Opcode)
Build and insert <empty> = Opcode <empty>.
Wrapper class representing virtual and physical registers.
LLVM Value Representation.
This is an optimization pass for GlobalISel generic memory operations.