LLVM: lib/Target/BPF/GISel/BPFCallLowering.cpp Source File (original) (raw)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

17

18#define DEBUG_TYPE "bpf-call-lowering"

19

20using namespace llvm;

21

24

28 Register SwiftErrorVReg) const {

29 if (!VRegs.empty())

30 return false;

32 return true;

33}

34

39 return VRegs.empty();

40}

41

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,...

Definition BPFCallLowering.cpp:35

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...

Definition BPFCallLowering.cpp:25

BPFCallLowering(const BPFTargetLowering &TLI)

Definition BPFCallLowering.cpp:22

bool lowerCall(MachineIRBuilder &MIRBuilder, CallLoweringInfo &Info) const override

This hook must be implemented to lower the given call instruction, including argument and return valu...

Definition BPFCallLowering.cpp:42

CallLowering(const TargetLowering *TLI)

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 = Opcode .

Wrapper class representing virtual and physical registers.

LLVM Value Representation.

This is an optimization pass for GlobalISel generic memory operations.