forked from OSchip/llvm-project
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
//===-- llvm/lib/Target/X86/X86CallLowering.h - Call lowering -----===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
///
|
|
/// \file
|
|
/// This file describes how to lower LLVM calls to machine code calls.
|
|
///
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LIB_TARGET_X86_X86CALLLOWERING
|
|
#define LLVM_LIB_TARGET_X86_X86CALLLOWERING
|
|
|
|
#include "llvm/ADT/ArrayRef.h"
|
|
#include "llvm/CodeGen/GlobalISel/CallLowering.h"
|
|
|
|
namespace llvm {
|
|
|
|
class Function;
|
|
class MachineIRBuilder;
|
|
class X86TargetLowering;
|
|
class Value;
|
|
|
|
class X86CallLowering : public CallLowering {
|
|
public:
|
|
X86CallLowering(const X86TargetLowering &TLI);
|
|
|
|
bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val,
|
|
unsigned VReg) const override;
|
|
|
|
bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F,
|
|
ArrayRef<unsigned> VRegs) const override;
|
|
private:
|
|
/// A function of this type is used to perform value split action.
|
|
typedef std::function<void(unsigned, uint64_t)> SplitArgTy;
|
|
|
|
void splitToValueTypes(const ArgInfo &OrigArgInfo,
|
|
SmallVectorImpl<ArgInfo> &SplitArgs,
|
|
const DataLayout &DL, MachineRegisterInfo &MRI,
|
|
SplitArgTy SplitArg) const;
|
|
};
|
|
} // End of namespace llvm;
|
|
#endif
|