diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Frontend/InitPreprocessor.cpp | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/contrib/llvm/tools/clang/lib/Frontend/InitPreprocessor.cpp b/contrib/llvm/tools/clang/lib/Frontend/InitPreprocessor.cpp index 17603ada11d1..0dd04e8a8fff 100644 --- a/contrib/llvm/tools/clang/lib/Frontend/InitPreprocessor.cpp +++ b/contrib/llvm/tools/clang/lib/Frontend/InitPreprocessor.cpp @@ -374,9 +374,11 @@ static void InitializeStandardPredefinedMacros(const TargetInfo &TI, else if (!LangOpts.GNUMode && LangOpts.Digraphs) Builder.defineMacro("__STDC_VERSION__", "199409L"); } else { - // FIXME: Use correct value for C++17. + // C++17 [cpp.predefined]p1: + // The name __cplusplus is defined to the value 201703L when compiling a + // C++ translation unit. if (LangOpts.CPlusPlus1z) - Builder.defineMacro("__cplusplus", "201406L"); + Builder.defineMacro("__cplusplus", "201703L"); // C++1y [cpp.predefined]p1: // The name __cplusplus is defined to the value 201402L when compiling a // C++ translation unit. @@ -475,6 +477,7 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts, Builder.defineMacro("__cpp_user_defined_literals", "200809"); Builder.defineMacro("__cpp_lambdas", "200907"); Builder.defineMacro("__cpp_constexpr", + LangOpts.CPlusPlus1z ? "201603" : LangOpts.CPlusPlus14 ? "201304" : "200704"); Builder.defineMacro("__cpp_range_based_for", LangOpts.CPlusPlus1z ? "201603" : "200907"); @@ -522,6 +525,8 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts, Builder.defineMacro("__cpp_structured_bindings", "201606"); Builder.defineMacro("__cpp_nontype_template_args", "201411"); Builder.defineMacro("__cpp_fold_expressions", "201603"); + // FIXME: This is not yet listed in SD-6. + Builder.defineMacro("__cpp_deduction_guides", "201611"); } if (LangOpts.AlignedAllocation) Builder.defineMacro("__cpp_aligned_new", "201606"); @@ -593,9 +598,6 @@ static void InitializePredefinedMacros(const TargetInfo &TI, Builder.defineMacro("OBJC_ZEROCOST_EXCEPTIONS"); } - Builder.defineMacro("__OBJC_BOOL_IS_BOOL", - Twine(TI.useSignedCharForObjCBool() ? "0" : "1")); - if (LangOpts.getGC() != LangOptions::NonGC) Builder.defineMacro("__OBJC_GC__"); @@ -626,6 +628,11 @@ static void InitializePredefinedMacros(const TargetInfo &TI, Builder.defineMacro("IB_DESIGNABLE", ""); } + // Define a macro that describes the Objective-C boolean type even for C + // and C++ since BOOL can be used from non Objective-C code. + Builder.defineMacro("__OBJC_BOOL_IS_BOOL", + Twine(TI.useSignedCharForObjCBool() ? "0" : "1")); + if (LangOpts.CPlusPlus) InitializeCPlusPlusFeatureTestMacros(LangOpts, Builder); @@ -875,14 +882,16 @@ static void InitializePredefinedMacros(const TargetInfo &TI, // The value written by __atomic_test_and_set. // FIXME: This is target-dependent. Builder.defineMacro("__GCC_ATOMIC_TEST_AND_SET_TRUEVAL", "1"); + } + auto addLockFreeMacros = [&](const llvm::Twine &Prefix) { // Used by libc++ and libstdc++ to implement ATOMIC_<foo>_LOCK_FREE. unsigned InlineWidthBits = TI.getMaxAtomicInlineWidth(); -#define DEFINE_LOCK_FREE_MACRO(TYPE, Type) \ - Builder.defineMacro("__GCC_ATOMIC_" #TYPE "_LOCK_FREE", \ - getLockFreeValue(TI.get##Type##Width(), \ - TI.get##Type##Align(), \ - InlineWidthBits)); +#define DEFINE_LOCK_FREE_MACRO(TYPE, Type) \ + Builder.defineMacro(Prefix + #TYPE "_LOCK_FREE", \ + getLockFreeValue(TI.get##Type##Width(), \ + TI.get##Type##Align(), \ + InlineWidthBits)); DEFINE_LOCK_FREE_MACRO(BOOL, Bool); DEFINE_LOCK_FREE_MACRO(CHAR, Char); DEFINE_LOCK_FREE_MACRO(CHAR16_T, Char16); @@ -892,12 +901,15 @@ static void InitializePredefinedMacros(const TargetInfo &TI, DEFINE_LOCK_FREE_MACRO(INT, Int); DEFINE_LOCK_FREE_MACRO(LONG, Long); DEFINE_LOCK_FREE_MACRO(LLONG, LongLong); - Builder.defineMacro("__GCC_ATOMIC_POINTER_LOCK_FREE", + Builder.defineMacro(Prefix + "POINTER_LOCK_FREE", getLockFreeValue(TI.getPointerWidth(0), TI.getPointerAlign(0), InlineWidthBits)); #undef DEFINE_LOCK_FREE_MACRO - } + }; + addLockFreeMacros("__CLANG_ATOMIC_"); + if (!LangOpts.MSVCCompat) + addLockFreeMacros("__GCC_ATOMIC_"); if (LangOpts.NoInlineDefine) Builder.defineMacro("__NO_INLINE__"); |