Introduce LLVM_STATIC_ASSERT macro, which expands to C/C++'s static_a…

…ssert on compilers which support it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177699 91177308-0d34-0410-b5e6-96231b3b80d8
Svengali · Mar 22, 2013 · d1995b2 · d1995b2
1 parent f0b0f1f
commit d1995b2
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h
@@ -351,4 +351,14 @@
 #define LLVM_EXPLICIT
 #endif
 
+/// \macro LLVM_STATIC_ASSERT
+/// \brief Expands to C/C++'s static_assert on compilers which support it.
+#if __has_feature(cxx_static_assert)
+# define LLVM_STATIC_ASSERT(expr, msg) static_assert(expr, msg)
+#elif __has_feature(c_static_assert)
+# define LLVM_STATIC_ASSERT(expr, msg) _Static_assert(expr, msg)
+#else
+# define LLVM_STATIC_ASSERT(expr, msg)
+#endif
+
 #endif