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llvm-mirror/lib/Target/AMDGPU/AMDGPURegisterInfo.h
Tom Stellard e236141513 AMDGPU: Refactor Subtarget classes
Summary:
This is a follow-up to r335942.
- Merge SISubtarget into AMDGPUSubtarget and rename to GCNSubtarget
- Rename AMDGPUCommonSubtarget to AMDGPUSubtarget
- Merge R600Subtarget::Generation and GCNSubtarget::Generation into
  AMDGPUSubtarget::Generation.

Reviewers: arsenm, jvesely

Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, javed.absar, llvm-commits

Differential Revision: https://reviews.llvm.org/D49037

llvm-svn: 336851
2018-07-11 20:59:01 +00:00

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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 GCNSubtarget;
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