diff options
Diffstat (limited to 'lib/Basic/Targets/NVPTX.h')
| -rw-r--r-- | lib/Basic/Targets/NVPTX.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/lib/Basic/Targets/NVPTX.h b/lib/Basic/Targets/NVPTX.h index 84d466d2f4..2cdd37ca1b 100644 --- a/lib/Basic/Targets/NVPTX.h +++ b/lib/Basic/Targets/NVPTX.h @@ -1,9 +1,8 @@ //===--- NVPTX.h - Declare NVPTX target feature support ---------*- C++ -*-===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -36,6 +35,16 @@ static const unsigned NVPTXAddrSpaceMap[] = { 3, // cuda_shared }; +/// The DWARF address class. Taken from +/// https://docs.nvidia.com/cuda/archive/10.0/ptx-writers-guide-to-interoperability/index.html#cuda-specific-dwarf +static const int NVPTXDWARFAddrSpaceMap[] = { + -1, // Default, opencl_private or opencl_generic - not defined + 5, // opencl_global + -1, + 8, // opencl_local or cuda_shared + 4, // opencl_constant or cuda_constant +}; + class LLVM_LIBRARY_VISIBILITY NVPTXTargetInfo : public TargetInfo { static const char *const GCCRegNames[]; static const Builtin::Info BuiltinInfo[]; @@ -125,6 +134,20 @@ public: Opts.support("cl_khr_local_int32_extended_atomics"); } + /// \returns If a target requires an address within a target specific address + /// space \p AddressSpace to be converted in order to be used, then return the + /// corresponding target specific DWARF address space. + /// + /// \returns Otherwise return None and no conversion will be emitted in the + /// DWARF. + Optional<unsigned> + getDWARFAddressSpace(unsigned AddressSpace) const override { + if (AddressSpace >= llvm::array_lengthof(NVPTXDWARFAddrSpaceMap) || + NVPTXDWARFAddrSpaceMap[AddressSpace] < 0) + return llvm::None; + return NVPTXDWARFAddrSpaceMap[AddressSpace]; + } + CallingConvCheckResult checkCallingConvention(CallingConv CC) const override { // CUDA compilations support all of the host's calling conventions. // |