| // RUN: %clang_cc1 %s -triple=i686-apple-darwin9 -verify -DVERIFY |
| // RUN: %clang_cc1 %s -E -triple=i686-apple-darwin9 |
| #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_feature(attribute_analyzer_noreturn) || \ |
| !__has_feature(attribute_overloadable) |
| #error Clang should have these |
| #endif |
| |
| #if __has_builtin(__builtin_insanity) |
| #error Clang should not have this |
| #endif |
| |
| #if !__has_feature(__attribute_deprecated_with_message__) |
| #error Feature name in double underscores does not work |
| #endif |
| |
| // Make sure we have x86 builtins only (forced with target triple). |
| |
| #if !__has_builtin(__builtin_ia32_emms) || \ |
| __has_builtin(__builtin_altivec_abs_v4sf) |
| #error Broken handling of target-specific builtins |
| #endif |
| |
| // Macro expansion does not occur in the parameter to __has_builtin, |
| // __has_feature, etc. (as is also expected behaviour for ordinary |
| // macros), so the following should not expand: |
| |
| #define MY_ALIAS_BUILTIN __c11_atomic_init |
| #define MY_ALIAS_FEATURE attribute_overloadable |
| |
| #if __has_builtin(MY_ALIAS_BUILTIN) || __has_feature(MY_ALIAS_FEATURE) |
| #error Alias expansion not allowed |
| #endif |
| |
| // But deferring should expand: |
| |
| #define HAS_BUILTIN(X) __has_builtin(X) |
| #define HAS_FEATURE(X) __has_feature(X) |
| |
| #if !HAS_BUILTIN(MY_ALIAS_BUILTIN) || !HAS_FEATURE(MY_ALIAS_FEATURE) |
| #error Expansion should have occurred |
| #endif |
| |
| #ifdef VERIFY |
| // expected-error@+2 {{builtin feature check macro requires a parenthesized identifier}} |
| // expected-error@+1 {{expected value in expression}} |
| #if __has_feature('x') |
| #endif |
| #endif |