| //===--- CodeGenOptions.h ---------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the CodeGenOptions interface. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_FRONTEND_CODEGENOPTIONS_H |
| #define LLVM_CLANG_FRONTEND_CODEGENOPTIONS_H |
| |
| #include <string> |
| #include <vector> |
| |
| namespace clang { |
| |
| /// \brief Bitfields of CodeGenOptions, split out from CodeGenOptions to ensure |
| /// that this large collection of bitfields is a trivial class type. |
| class CodeGenOptionsBase { |
| public: |
| #define CODEGENOPT(Name, Bits, Default) unsigned Name : Bits; |
| #define ENUM_CODEGENOPT(Name, Type, Bits, Default) |
| #include "clang/Frontend/CodeGenOptions.def" |
| |
| protected: |
| #define CODEGENOPT(Name, Bits, Default) |
| #define ENUM_CODEGENOPT(Name, Type, Bits, Default) unsigned Name : Bits; |
| #include "clang/Frontend/CodeGenOptions.def" |
| }; |
| |
| /// CodeGenOptions - Track various options which control how the code |
| /// is optimized and passed to the backend. |
| class CodeGenOptions : public CodeGenOptionsBase { |
| public: |
| enum InliningMethod { |
| NoInlining, // Perform no inlining whatsoever. |
| NormalInlining, // Use the standard function inlining pass. |
| OnlyAlwaysInlining // Only run the always inlining pass. |
| }; |
| |
| enum ObjCDispatchMethodKind { |
| Legacy = 0, |
| NonLegacy = 1, |
| Mixed = 2 |
| }; |
| |
| enum DebugInfoKind { |
| NoDebugInfo, // Don't generate debug info. |
| DebugLineTablesOnly, // Emit only debug info necessary for generating |
| // line number tables (-gline-tables-only). |
| LimitedDebugInfo, // Limit generated debug info to reduce size |
| // (-flimit-debug-info). |
| FullDebugInfo // Generate complete debug info. |
| }; |
| |
| enum TLSModel { |
| GeneralDynamicTLSModel, |
| LocalDynamicTLSModel, |
| InitialExecTLSModel, |
| LocalExecTLSModel |
| }; |
| |
| enum FPContractModeKind { |
| FPC_Off, // Form fused FP ops only where result will not be affected. |
| FPC_On, // Form fused FP ops according to FP_CONTRACT rules. |
| FPC_Fast // Aggressively fuse FP ops (E.g. FMA). |
| }; |
| |
| /// The code model to use (-mcmodel). |
| std::string CodeModel; |
| |
| /// The filename with path we use for coverage files. The extension will be |
| /// replaced. |
| std::string CoverageFile; |
| |
| /// The version string to put into coverage files. |
| char CoverageVersion[4]; |
| |
| /// Enable additional debugging information. |
| std::string DebugPass; |
| |
| /// The string to embed in debug information as the current working directory. |
| std::string DebugCompilationDir; |
| |
| /// The string to embed in the debug information for the compile unit, if |
| /// non-empty. |
| std::string DwarfDebugFlags; |
| |
| /// The ABI to use for passing floating point arguments. |
| std::string FloatABI; |
| |
| /// The float precision limit to use, if non-empty. |
| std::string LimitFloatPrecision; |
| |
| /// The name of the bitcode file to link before optzns. |
| std::string LinkBitcodeFile; |
| |
| /// The user provided name for the "main file", if non-empty. This is useful |
| /// in situations where the input file name does not match the original input |
| /// file, for example with -save-temps. |
| std::string MainFileName; |
| |
| /// The name for the split debug info file that we'll break out. This is used |
| /// in the backend for setting the name in the skeleton cu. |
| std::string SplitDwarfFile; |
| |
| /// The name of the relocation model to use. |
| std::string RelocationModel; |
| |
| /// Path to blacklist file for sanitizers. |
| std::string SanitizerBlacklistFile; |
| |
| /// If not an empty string, trap intrinsics are lowered to calls to this |
| /// function instead of to trap instructions. |
| std::string TrapFuncName; |
| |
| /// A list of command-line options to forward to the LLVM backend. |
| std::vector<std::string> BackendOptions; |
| |
| /// The filename to use for logging memory safety violations |
| std::string MemSafetyLogFile; |
| |
| public: |
| // Define accessors/mutators for code generation options of enumeration type. |
| #define CODEGENOPT(Name, Bits, Default) |
| #define ENUM_CODEGENOPT(Name, Type, Bits, Default) \ |
| Type get##Name() const { return static_cast<Type>(Name); } \ |
| void set##Name(Type Value) { Name = static_cast<unsigned>(Value); } |
| #include "clang/Frontend/CodeGenOptions.def" |
| |
| CodeGenOptions() { |
| #define CODEGENOPT(Name, Bits, Default) Name = Default; |
| #define ENUM_CODEGENOPT(Name, Type, Bits, Default) \ |
| set##Name(Default); |
| #include "clang/Frontend/CodeGenOptions.def" |
| |
| RelocationModel = "pic"; |
| memcpy(CoverageVersion, "402*", 4); |
| } |
| }; |
| |
| } // end namespace clang |
| |
| #endif |