| 1 | // RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux-gnu -fsyntax-only -verify %s
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| 2 |
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| 3 | struct a {
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| 4 | 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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| 5 | static void foo(int *a) __attribute__((no_caller_saved_registers)) {}
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| 6 | };
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| 7 |
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| 8 | 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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| 9 |
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| 10 | __attribute__((no_caller_saved_registers(999))) void bar(int *) {} // expected-error {{'no_caller_saved_registers' attribute takes no arguments}}
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| 11 |
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| 12 | void __attribute__((no_caller_saved_registers)) foo(int *){}
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| 13 |
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| 14 | [[gnu::no_caller_saved_registers]] void foo2(int *) {}
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| 15 |
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| 16 | typedef __attribute__((no_caller_saved_registers)) void (*foo3)(int *);
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| 17 |
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| 18 | 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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| 19 |
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| 20 | typedef void (*foo5)(int *);
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| 21 |
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| 22 | void foo6(){} // expected-note {{previous declaration is here}}
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| 23 |
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| 24 | 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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| 25 |
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| 26 | int main(int argc, char **argv) {
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| 27 | 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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| 28 | a::foo(&argc);
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| 29 | foo3 func = foo2;
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| 30 | func(&argc);
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| 31 | foo5 __attribute__((no_caller_saved_registers)) func2 = foo2;
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| 32 | return 0;
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| 33 | }
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| 34 | |
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