34 lines
1.7 KiB
C++
34 lines
1.7 KiB
C++
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s
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struct a {
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int b __attribute__((no_caller_saved_registers)); // expected-warning {{'no_caller_saved_registers' only applies to function types; type here is 'int'}}
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static void foo(int *a) __attribute__((no_caller_saved_registers)) {}
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};
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struct a test __attribute__((no_caller_saved_registers)); // expected-warning {{'no_caller_saved_registers' only applies to function types; type here is 'struct a'}}
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__attribute__((no_caller_saved_registers(999))) void bar(int *) {} // expected-error {{'no_caller_saved_registers' attribute takes no arguments}}
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void __attribute__((no_caller_saved_registers)) foo(int *){}
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[[gnu::no_caller_saved_registers]] void foo2(int *) {}
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typedef __attribute__((no_caller_saved_registers)) void (*foo3)(int *);
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int (*foo4)(double a, __attribute__((no_caller_saved_registers)) float b); // expected-warning {{'no_caller_saved_registers' only applies to function types; type here is 'float'}}
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typedef void (*foo5)(int *);
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void foo6(){} // expected-note {{previous declaration is here}}
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void __attribute__((no_caller_saved_registers)) foo6(); // expected-error {{function declared with 'no_caller_saved_registers' attribute was previously declared without the 'no_caller_saved_registers' attribute}}
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int main(int argc, char **argv) {
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void (*fp)(int *) = foo; // expected-error {{cannot initialize a variable of type 'void (*)(int *)' with an lvalue of type 'void (int *) __attribute__((no_caller_saved_registers))'}}
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a::foo(&argc);
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foo3 func = foo2;
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func(&argc);
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foo5 __attribute__((no_caller_saved_registers)) func2 = foo2;
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return 0;
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}
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