59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/* PR middle-end/81824 - Warn for missing attributes with function aliases
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Verify that attributes always_inline, gnu_inline, and noinline aren't
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copied. Also verify that copying attribute tls_model to a non-thread
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variable triggers a warning.
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{ dg-do compile }
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{ dg-require-alias "" }
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{ dg-options "-Wall" }
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{ dg-require-effective-target tls } */
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#define ATTR(...) __attribute__ ((__VA_ARGS__))
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ATTR (always_inline, gnu_inline, noreturn) inline int
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finline_noret (void)
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{
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__builtin_abort ();
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/* Expect no -Wreturn-type. */
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}
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int call_finline_noret (void)
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{
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finline_noret ();
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/* Expect no -Wreturn-type. */
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}
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ATTR (copy (finline_noret)) int
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fnoret (void);
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int call_fnoret (void)
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{
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fnoret ();
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/* Expect no -Wreturn-type. */
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}
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/* Verify that attribute always_inline on an alias target doesn't
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get copied and interfere with attribute noinline on the alias
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(trigger a warning due to a conflict). */
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ATTR (always_inline) static inline int
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finline (void) { return 0; }
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ATTR (alias ("finline"), noinline) int
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fnoinline (void);
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ATTR (copy (finline)) int
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fnoinline (void);
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ATTR (tls_model ("global-dynamic")) __thread int
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tls_target;
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ATTR (alias ("tls_target"), copy (tls_target)) extern __thread int
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thread_alias;
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ATTR (alias ("tls_target"), copy (tls_target)) extern int
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alias; /* { dg-warning ".tls_model. attribute ignored because .alias. does not have thread storage duration" } */
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