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llvm-mirror/lib/Target/AMDGPU/AMDGPURegisterInfo.h
Tom Stellard 86275193d3 AMDGPU: Make getSubRegFromChannel a static member of AMDGPURegisterInfo
Summary:
This makes is possible to have R600RegisterInfo and SIRegisterInfo
not inherit from AMDGPURegisterInfo.

Reviewers: arsenm, nhaehnle

Reviewed By: arsenm

Subscribers: kzhuravl, wdng, yaxunl, dstuttard, tpr, llvm-commits, t-tye

Differential Revision: https://reviews.llvm.org/D46280

llvm-svn: 331490
2018-05-03 22:38:06 +00:00

42 lines
1.2 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
/// 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();
bool enableMultipleCopyHints() const override { return true; }
/// \returns the sub reg enum value for the given \p Channel
/// (e.g. getSubRegFromChannel(0) -> AMDGPU::sub0)
static unsigned getSubRegFromChannel(unsigned Channel);
void reserveRegisterTuples(BitVector &, unsigned Reg) const;
};
} // End namespace llvm
#endif