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85d667fcb6
As discussed in D64780 the wording of this warning message is being changed to say 'is not supported' instead of 'ignored', and the diag ID itself is being changed to warn_cconv_not_supported. llvm-svn: 366368
71 lines
3.2 KiB
C++
71 lines
3.2 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -std=c++11 -Wno-gcc-compat -verify %s
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// Error cases.
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[[gnu::this_attribute_does_not_exist]] int unknown_attr;
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// expected-warning@-1 {{unknown attribute 'this_attribute_does_not_exist' ignored}}
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int [[gnu::unused]] attr_on_type;
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// expected-error@-1 {{'unused' attribute cannot be applied to types}}
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int *[[gnu::unused]] attr_on_ptr;
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// expected-warning@-1 {{attribute 'unused' ignored, because it cannot be applied to a type}}
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[[gnu::fastcall]] void pr17424_1();
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// expected-warning@-1 {{'fastcall' calling convention is not supported for this target}}
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[[gnu::fastcall]] [[gnu::stdcall]] void pr17424_2();
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// expected-warning@-1 {{'fastcall' calling convention is not supported for this target}}
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// expected-warning@-2 {{'stdcall' calling convention is not supported for this target}}
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[[gnu::fastcall]] __stdcall void pr17424_3();
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// expected-warning@-1 {{'fastcall' calling convention is not supported for this target}}
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// expected-warning@-2 {{'__stdcall' calling convention is not supported for this target}}
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[[gnu::fastcall]] void pr17424_4() [[gnu::stdcall]];
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// expected-warning@-1 {{'fastcall' calling convention is not supported for this target}}
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// expected-warning@-2 {{'stdcall' calling convention is not supported for this target}}
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void pr17424_5 [[gnu::fastcall]]();
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// expected-warning@-1 {{'fastcall' calling convention is not supported for this target}}
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// Valid cases.
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void aliasb [[gnu::alias("_Z6alias1v")]] ();
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void alias1() {}
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void aliasa [[gnu::alias("_Z6alias1v")]] ();
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extern struct PR22493Ty {
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} PR22493 [[gnu::alias("_ZN7pcrecpp2RE6no_argE")]];
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[[gnu::aligned(8)]] int aligned;
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void aligned_fn [[gnu::aligned(32)]] ();
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struct [[gnu::aligned(8)]] aligned_struct {};
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void always_inline [[gnu::always_inline]] ();
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__thread int tls_model [[gnu::tls_model("local-exec")]];
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void cleanup(int *p) {
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int n [[gnu::cleanup(cleanup)]];
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}
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void deprecated1 [[gnu::deprecated]] (); // expected-note {{here}}
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[[gnu::deprecated("custom message")]] void deprecated2(); // expected-note {{here}}
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void deprecated3() {
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deprecated1(); // expected-warning {{deprecated}}
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deprecated2(); // expected-warning {{custom message}}
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}
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[[gnu::naked(1,2,3)]] void naked(); // expected-error {{takes no arguments}}
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void nonnull [[gnu::nonnull]] (); // expected-warning {{applied to function with no pointer arguments}}
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// [[gnu::noreturn]] appertains to a declaration, and marks the innermost
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// function declarator in that declaration as being noreturn.
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int noreturn [[gnu::noreturn]]; // expected-warning {{'noreturn' only applies to function types}}
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int noreturn_fn_1();
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int noreturn_fn_2() [[gnu::noreturn]]; // expected-warning {{cannot be applied to a type}}
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int noreturn_fn_3 [[gnu::noreturn]] ();
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[[gnu::noreturn]] int noreturn_fn_4();
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int (*noreturn_fn_ptr_1 [[gnu::noreturn]])() = &noreturn_fn_1; // expected-error {{cannot initialize}}
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int (*noreturn_fn_ptr_2 [[gnu::noreturn]])() = &noreturn_fn_3;
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[[gnu::noreturn]] int (*noreturn_fn_ptr_3)() = &noreturn_fn_1; // expected-error {{cannot initialize}}
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[[gnu::noreturn]] int (*noreturn_fn_ptr_4)() = &noreturn_fn_3;
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struct [[gnu::packed]] packed { char c; int n; };
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static_assert(sizeof(packed) == sizeof(char) + sizeof(int), "not packed");
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