LLVM  4.0.0
ARMCallLowering.h
Go to the documentation of this file.
1 //===-- llvm/lib/Target/ARM/ARMCallLowering.h - Call lowering -------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 ///
10 /// \file
11 /// This file describes how to lower LLVM calls to machine code calls.
12 ///
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_LIB_TARGET_ARM_ARMCALLLOWERING
16 #define LLVM_LIB_TARGET_ARM_ARMCALLLOWERING
17 
21 
22 namespace llvm {
23 
24 class ARMTargetLowering;
25 class MachineInstrBuilder;
26 
27 class ARMCallLowering : public CallLowering {
28 public:
30 
31  bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
32  unsigned VReg) const override;
33 
34  bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
35  ArrayRef<unsigned> VRegs) const override;
36 
37 private:
38  bool lowerReturnVal(MachineIRBuilder &MIRBuilder, const Value *Val,
39  unsigned VReg, MachineInstrBuilder &Ret) const;
40 };
41 } // End of namespace llvm
42 #endif
static const MCPhysReg VRegs[32]
bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val, unsigned VReg) const override
This hook must be implemented to lower outgoing return values, described by Val, into the specified v...
ARMCallLowering(const ARMTargetLowering &TLI)
#define F(x, y, z)
Definition: MD5.cpp:51
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F, ArrayRef< unsigned > VRegs) const override
This hook must be implemented to lower the incoming (formal) arguments, described by Args...
Helper class to build MachineInstr.
LLVM Value Representation.
Definition: Value.h:71
This file describes how to lower LLVM calls to machine code calls.