diff options
author | Tom Stellard <thomas.stellard@amd.com> | 2012-12-11 21:25:42 +0000 |
---|---|---|
committer | Tom Stellard <thomas.stellard@amd.com> | 2012-12-11 21:25:42 +0000 |
commit | f98f2ce29e6e2996fa58f38979143eceaa818335 (patch) | |
tree | 86dffe7414e6657874db8ac36e5ddcf7d41b2d9c /lib/Target/R600/AMDGPUSubtarget.h | |
parent | 57ac1f458a754f30cf500410b438fb260f9b8fe5 (diff) | |
download | external_llvm-f98f2ce29e6e2996fa58f38979143eceaa818335.zip external_llvm-f98f2ce29e6e2996fa58f38979143eceaa818335.tar.gz external_llvm-f98f2ce29e6e2996fa58f38979143eceaa818335.tar.bz2 |
Add R600 backend
A new backend supporting AMD GPUs: Radeon HD2XXX - HD7XXX
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169915 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600/AMDGPUSubtarget.h')
-rw-r--r-- | lib/Target/R600/AMDGPUSubtarget.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/lib/Target/R600/AMDGPUSubtarget.h b/lib/Target/R600/AMDGPUSubtarget.h new file mode 100644 index 0000000..cab7884 --- /dev/null +++ b/lib/Target/R600/AMDGPUSubtarget.h @@ -0,0 +1,65 @@ +//=====-- AMDGPUSubtarget.h - Define Subtarget for the AMDIL ---*- C++ -*-====// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//==-----------------------------------------------------------------------===// +// +/// \file +/// \brief AMDGPU specific subclass of TargetSubtarget. +// +//===----------------------------------------------------------------------===// + +#ifndef AMDGPUSUBTARGET_H +#define AMDGPUSUBTARGET_H +#include "AMDILDevice.h" +#include "llvm/ADT/StringExtras.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/Target/TargetSubtargetInfo.h" + +#define GET_SUBTARGETINFO_HEADER +#include "AMDGPUGenSubtargetInfo.inc" + +#define MAX_CB_SIZE (1 << 16) + +namespace llvm { + +class AMDGPUSubtarget : public AMDGPUGenSubtargetInfo { +private: + bool CapsOverride[AMDGPUDeviceInfo::MaxNumberCapabilities]; + const AMDGPUDevice *Device; + size_t DefaultSize[3]; + std::string DevName; + bool Is64bit; + bool Is32on64bit; + bool DumpCode; + bool R600ALUInst; + + InstrItineraryData InstrItins; + +public: + AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS); + virtual ~AMDGPUSubtarget(); + + const InstrItineraryData &getInstrItineraryData() const { return InstrItins; } + virtual void ParseSubtargetFeatures(llvm::StringRef CPU, llvm::StringRef FS); + + bool isOverride(AMDGPUDeviceInfo::Caps) const; + bool is64bit() const; + + // Helper functions to simplify if statements + bool isTargetELF() const; + const AMDGPUDevice* device() const; + std::string getDataLayout() const; + std::string getDeviceName() const; + virtual size_t getDefaultSize(uint32_t dim) const; + bool dumpCode() const { return DumpCode; } + bool r600ALUEncoding() const { return R600ALUInst; } + +}; + +} // End namespace llvm + +#endif // AMDGPUSUBTARGET_H |