diff options
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index 1741755723a..1c7793e285a 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -408,6 +408,39 @@ static void InitializeStandardPredefinedMacros(const TargetInfo &TI, if (LangOpts.ObjC1) Builder.defineMacro("__OBJC__"); + // OpenCL v1.0/1.1 s6.9, v1.2/2.0 s6.10: Preprocessor Directives and Macros. + if (LangOpts.OpenCL) { + // OpenCL v1.0 and v1.1 do not have a predefined macro to indicate the + // language standard with which the program is compiled. __OPENCL_VERSION__ + // is for the OpenCL version supported by the OpenCL device, which is not + // necessarily the language standard with which the program is compiled. + // A shared OpenCL header file requires a macro to indicate the language + // standard. As a workaround, __OPENCL_C_VERSION__ is defined for + // OpenCL v1.0 and v1.1. + switch (LangOpts.OpenCLVersion) { + case 100: + Builder.defineMacro("__OPENCL_C_VERSION__", "100"); + break; + case 110: + Builder.defineMacro("__OPENCL_C_VERSION__", "110"); + break; + case 120: + Builder.defineMacro("__OPENCL_C_VERSION__", "120"); + break; + case 200: + Builder.defineMacro("__OPENCL_C_VERSION__", "200"); + break; + default: + llvm_unreachable("Unsupported OpenCL version"); + } + Builder.defineMacro("CL_VERSION_1_0", "100"); + Builder.defineMacro("CL_VERSION_1_1", "110"); + Builder.defineMacro("CL_VERSION_1_2", "120"); + Builder.defineMacro("CL_VERSION_2_0", "200"); + + if (LangOpts.FastRelaxedMath) + Builder.defineMacro("__FAST_RELAXED_MATH__"); + } // Not "standard" per se, but available even with the -undef flag. if (LangOpts.AsmPreprocessor) Builder.defineMacro("__ASSEMBLER__"); |
