llvm-project/clang/test/Sema/attr-alwaysinline.cpp

28 lines
1.8 KiB
C++

// RUN: %clang_cc1 -verify -fsyntax-only %s
int bar();
[[gnu::always_inline]] void always_inline_fn(void) {}
[[gnu::flatten]] void flatten_fn(void) {}
[[gnu::noinline]] void noinline_fn(void) {}
void foo() {
[[clang::always_inline]] bar();
[[clang::always_inline(0)]] bar(); // expected-error {{'always_inline' attribute takes no arguments}}
int x;
[[clang::always_inline]] int i = bar(); // expected-warning {{'always_inline' attribute only applies to functions and statements}}
[[clang::always_inline]] x = 0; // expected-warning {{'always_inline' attribute is ignored because there exists no call expression inside the statement}}
[[clang::always_inline]] { asm("nop"); } // expected-warning {{'always_inline' attribute is ignored because there exists no call expression inside the statement}}
[[clang::always_inline]] label : x = 1; // expected-warning {{'always_inline' attribute only applies to functions and statements}}
[[clang::always_inline]] always_inline_fn();
[[clang::always_inline]] noinline_fn(); // expected-warning {{statement attribute 'always_inline' has higher precedence than function attribute 'noinline'}}
[[clang::always_inline]] flatten_fn(); // expected-warning {{statement attribute 'always_inline' has higher precedence than function attribute 'flatten'}}
[[gnu::always_inline]] bar(); // expected-warning {{attribute is ignored on this statement as it only applies to functions; use '[[clang::always_inline]]' on statements}}
__attribute__((always_inline)) bar(); // expected-warning {{attribute is ignored on this statement as it only applies to functions; use '[[clang::always_inline]]' on statements}}
}
[[clang::always_inline]] static int i = bar(); // expected-warning {{'always_inline' attribute only applies to functions and statements}}