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      1 //===--- TargetOptions.h ----------------------------------------*- C++ -*-===//
      2 //
      3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
      4 // See https://llvm.org/LICENSE.txt for license information.
      5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
      6 //
      7 //===----------------------------------------------------------------------===//
      8 ///
      9 /// \file
     10 /// Defines the clang::TargetOptions class.
     11 ///
     12 //===----------------------------------------------------------------------===//
     13 
     14 #ifndef LLVM_CLANG_BASIC_TARGETOPTIONS_H
     15 #define LLVM_CLANG_BASIC_TARGETOPTIONS_H
     16 
     17 #include "clang/Basic/OpenCLOptions.h"
     18 #include "llvm/Support/VersionTuple.h"
     19 #include "llvm/Target/TargetOptions.h"
     20 #include <string>
     21 #include <vector>
     22 
     23 namespace clang {
     24 
     25 /// Options for controlling the target.
     26 class TargetOptions {
     27 public:
     28   /// The name of the target triple to compile for.
     29   std::string Triple;
     30 
     31   /// When compiling for the device side, contains the triple used to compile
     32   /// for the host.
     33   std::string HostTriple;
     34 
     35   /// If given, the name of the target CPU to generate code for.
     36   std::string CPU;
     37 
     38   /// If given, the name of the target CPU to tune code for.
     39   std::string TuneCPU;
     40 
     41   /// If given, the unit to use for floating point math.
     42   std::string FPMath;
     43 
     44   /// If given, the name of the target ABI to use.
     45   std::string ABI;
     46 
     47   /// The EABI version to use
     48   llvm::EABI EABIVersion;
     49 
     50   /// If given, the version string of the linker in use.
     51   std::string LinkerVersion;
     52 
     53   /// The list of target specific features to enable or disable, as written on the command line.
     54   std::vector<std::string> FeaturesAsWritten;
     55 
     56   /// The list of target specific features to enable or disable -- this should
     57   /// be a list of strings starting with by '+' or '-'.
     58   std::vector<std::string> Features;
     59 
     60   /// The map of which features have been enabled disabled based on the command
     61   /// line.
     62   llvm::StringMap<bool> FeatureMap;
     63 
     64   /// Supported OpenCL extensions and optional core features.
     65   llvm::StringMap<bool> OpenCLFeaturesMap;
     66 
     67   /// The list of OpenCL extensions to enable or disable, as written on
     68   /// the command line.
     69   std::vector<std::string> OpenCLExtensionsAsWritten;
     70 
     71   /// If given, enables support for __int128_t and __uint128_t types.
     72   bool ForceEnableInt128 = false;
     73 
     74   /// \brief If enabled, use 32-bit pointers for accessing const/local/shared
     75   /// address space.
     76   bool NVPTXUseShortPointers = false;
     77 
     78   /// \brief If enabled, allow AMDGPU unsafe floating point atomics.
     79   bool AllowAMDGPUUnsafeFPAtomics = false;
     80 
     81   // The code model to be used as specified by the user. Corresponds to
     82   // CodeModel::Model enum defined in include/llvm/Support/CodeGen.h, plus
     83   // "default" for the case when the user has not explicitly specified a
     84   // code model.
     85   std::string CodeModel;
     86 
     87   /// The version of the SDK which was used during the compilation.
     88   /// The option is used for two different purposes:
     89   /// * on darwin the version is propagated to LLVM where it's used
     90   ///   to support SDK Version metadata (See D55673).
     91   /// * CUDA compilation uses it to control parts of CUDA compilation
     92   ///   in clang that depend on specific version of the CUDA SDK.
     93   llvm::VersionTuple SDKVersion;
     94 };
     95 
     96 }  // end namespace clang
     97 
     98 #endif
     99