| // RUN: %clang_cc1 %s -triple=i686-apple-darwin9 -verify -DVERIFY |
| // RUN: %clang_cc1 %s -triple=i686-apple-darwin9 -fms-extensions -DMS -verify -DVERIFY |
| |
| #ifndef __has_feature |
| #error Should have __has_feature |
| #endif |
| |
| #if __has_feature(something_we_dont_have) |
| #error Bad |
| #endif |
| |
| #if !__has_builtin(__builtin_huge_val) || \ |
| !__has_builtin(__builtin_shufflevector) || \ |
| !__has_builtin(__builtin_convertvector) || \ |
| !__has_builtin(__builtin_trap) || \ |
| !__has_builtin(__c11_atomic_init) || \ |
| !__has_builtin(__builtin_launder) || \ |
| !__has_feature(attribute_analyzer_noreturn) || \ |
| !__has_feature(attribute_overloadable) |
| #error Clang should have these |
| #endif |
| |
| // These are technically implemented as keywords, but __has_builtin should |
| // still return true. |
| #if !__has_builtin(__builtin_LINE) || \ |
| !__has_builtin(__builtin_FILE) || \ |
| !__has_builtin(__builtin_FILE_NAME) || \ |
| !__has_builtin(__builtin_FUNCTION) || \ |
| !__has_builtin(__builtin_COLUMN) || \ |
| !__has_builtin(__array_rank) || \ |
| !__has_builtin(__underlying_type) || \ |
| !__has_builtin(__is_trivial) || \ |
| !__has_builtin(__is_same_as) || \ |
| !__has_builtin(__has_unique_object_representations) |
| #error Clang should have these |
| #endif |
| |
| #ifdef MS |
| #if !__has_builtin(__builtin_FUNCSIG) |
| #error Clang should have this |
| #endif |
| #elif __has_builtin(__builtin_FUNCSIG) |
| #error Clang should not have this without '-fms-extensions' |
| #endif |
| |
| // This is a C-only builtin. |
| #if __has_builtin(__builtin_types_compatible_p) |
| #error Clang should not have this in C++ mode |
| #endif |
| |
| #if __has_builtin(__builtin_insanity) |
| #error Clang should not have this |
| #endif |
| |
| // Check __has_constexpr_builtin |
| #if !__has_constexpr_builtin(__builtin_fmax) || \ |
| !__has_constexpr_builtin(__builtin_fmin) |
| #error Clang should have these constexpr builtins |
| #endif |
| |
| #if __has_constexpr_builtin(__builtin_cbrt) |
| #error This builtin should not be constexpr in Clang |
| #endif |
| |
| #if __has_constexpr_builtin(__builtin_insanity) |
| #error This is not a builtin in Clang |
| #endif |
| |
| // expected-error@+1 {{missing '(' after '__has_constexpr_builtin'}} expected-error@+1 {{expected value}} |
| #if __has_constexpr_builtin |
| #endif |
| |
| // expected-error@+1 {{builtin feature check macro requires a parenthesized identifier}} |
| #if __has_constexpr_builtin("__builtin_fmax") |
| #endif |
| |
| // expected-error@+1 {{too many arguments}} |
| #if __has_constexpr_builtin(__builtin_fmax, __builtin_fmin) |
| #endif |