contrib/llvm/lib/Target/ARM/ARMCallLowering.h

   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
  18 #include "llvm/CodeGen/CallingConvLower.h"
  19 #include "llvm/CodeGen/GlobalISel/CallLowering.h"
  20 #include "llvm/CodeGen/ValueTypes.h"
  21
  22 namespace llvm {
  23
  24 class ARMTargetLowering;
  25 class MachineInstrBuilder;
  26
  27 class ARMCallLowering : public CallLowering {
  28 public:
  29   ARMCallLowering(const ARMTargetLowering &TLI);
  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