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llvm-mirror/lib/Target/AMDGPU/AMDGPURegisterInfo.h
Matt Arsenault ab4fb8ba2f AMDGPU: Start defining a calling convention
Partially implement callee-side for arguments and return values.
byval doesn't work properly, and most likely sret or other on-stack
return values most as well.

llvm-svn: 303308
2017-05-17 21:56:25 +00:00

38 lines
1.0 KiB
C++

//===-- AMDGPURegisterInfo.h - AMDGPURegisterInfo Interface -*- C++ -*-----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// \file
/// \brief TargetRegisterInfo interface that is implemented by all hw codegen
/// targets.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUREGISTERINFO_H
#define LLVM_LIB_TARGET_AMDGPU_AMDGPUREGISTERINFO_H
#define GET_REGINFO_HEADER
#include "AMDGPUGenRegisterInfo.inc"
namespace llvm {
class AMDGPUSubtarget;
class TargetInstrInfo;
struct AMDGPURegisterInfo : public AMDGPUGenRegisterInfo {
AMDGPURegisterInfo();
/// \returns the sub reg enum value for the given \p Channel
/// (e.g. getSubRegFromChannel(0) -> AMDGPU::sub0)
unsigned getSubRegFromChannel(unsigned Channel) const;
};
} // End namespace llvm
#endif