From b5f8cd5bb04df52c05cbd1eddf081e6d9cf9cd64 Mon Sep 17 00:00:00 2001 From: "Michael J. Spencer" Date: Tue, 15 Jan 2013 05:01:39 +0000 Subject: [PATCH] [Support] Add LLVM_CONSTEXPR. Marks a decl as constexpr if the compiler supports it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172508 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Support/Compiler.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h index e639a2cfa1e..7e855b2f10c 100644 --- a/include/llvm/Support/Compiler.h +++ b/include/llvm/Support/Compiler.h @@ -95,6 +95,12 @@ #define LLVM_OVERRIDE #endif +#if __has_feature(cxx_constexpr) || defined(__GXX_EXPERIMENTAL_CXX0X__) +# define LLVM_CONSTEXPR constexpr +#else +# define LLVM_CONSTEXPR +#endif + /// LLVM_LIBRARY_VISIBILITY - If a class marked with this attribute is linked /// into a shared library, then the class should be private to the library and /// not accessible from outside it. Can also be used to mark variables and -- 2.34.1