clang/lib/Basic/CodeGenOptions.cpp

   1 //===--- CodeGenOptions.cpp -----------------------------------------------===//
   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 #include "clang/Basic/CodeGenOptions.h"
  10 #include <string.h>
  11
  12 namespace clang {
  13
  14 CodeGenOptions::CodeGenOptions() {
  15 #define CODEGENOPT(Name, Bits, Default) Name = Default;
  16 #define ENUM_CODEGENOPT(Name, Type, Bits, Default) set##Name(Default);
  17 #include "clang/Basic/CodeGenOptions.def"
  18
  19   RelocationModel = llvm::Reloc::PIC_;
  20   memcpy(CoverageVersion, "408*", 4);
  21 }
  22
  23 void CodeGenOptions::resetNonModularOptions(StringRef ModuleFormat) {
  24   // First reset all CodeGen options only. The Debug options are handled later.
  25 #define DEBUGOPT(Name, Bits, Default)
  26 #define VALUE_DEBUGOPT(Name, Bits, Default)
  27 #define ENUM_DEBUGOPT(Name, Type, Bits, Default)
  28 #define CODEGENOPT(Name, Bits, Default) Name = Default;
  29 #define ENUM_CODEGENOPT(Name, Type, Bits, Default) set##Name(Default);
  30 // Do not reset AST affecting code generation options.
  31 #define AFFECTING_VALUE_CODEGENOPT(Name, Bits, Default)
  32 #include "clang/Basic/CodeGenOptions.def"
  33
  34   // Next reset all debug options that can always be reset, because they never
  35   // affect the PCM.
  36 #define DEBUGOPT(Name, Bits, Default)
  37 #define VALUE_DEBUGOPT(Name, Bits, Default)
  38 #define ENUM_DEBUGOPT(Name, Type, Bits, Default)
  39 #define BENIGN_DEBUGOPT(Name, Bits, Default) Name = Default;
  40 #define BENIGN_VALUE_DEBUGOPT(Name, Bits, Default) Name = Default;
  41 #define BENIGN_ENUM_DEBUGOPT(Name, Type, Bits, Default) set##Name(Default);
  42 #include "clang/Basic/DebugOptions.def"
  43
  44   // Conditionally reset debug options that only matter when the debug info is
  45   // emitted into the PCM (-gmodules).
  46   if (ModuleFormat == "raw" && !DebugTypeExtRefs) {
  47 #define DEBUGOPT(Name, Bits, Default) Name = Default;
  48 #define VALUE_DEBUGOPT(Name, Bits, Default) Name = Default;
  49 #define ENUM_DEBUGOPT(Name, Type, Bits, Default) set##Name(Default);
  50 #define BENIGN_DEBUGOPT(Name, Bits, Default)
  51 #define BENIGN_VALUE_DEBUGOPT(Name, Bits, Default)
  52 #define BENIGN_ENUM_DEBUGOPT(Name, Type, Bits, Default)
  53 #include "clang/Basic/DebugOptions.def"
  54   }
  55
  56   RelocationModel = llvm::Reloc::PIC_;
  57   memcpy(CoverageVersion, "408*", 4);
  58 }
  59
  60 }  // end namespace clang