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// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify %s
void qualifiers(void) {
asm("");
asm volatile("");
asm inline("");
asm goto("" ::::foo);
foo:;
}
void unknown_qualifiers(void) {
asm noodle(""); // expected-error {{expected 'volatile', 'inline', 'goto', or '('}}
asm goto noodle("" ::::foo); // expected-error {{expected 'volatile', 'inline', 'goto', or '('}}
asm volatile noodle inline(""); // expected-error {{expected 'volatile', 'inline', 'goto', or '('}}
foo:;
}
void underscores(void) {
__asm__("");
__asm__ __volatile__("");
__asm__ __inline__("");
// Note: goto is not supported with underscore prefix+suffix.
__asm__ goto("" ::::foo);
foo:;
}
void permutations(void) {
asm goto inline volatile("" ::::foo);
asm goto inline("");
asm goto volatile inline("" ::::foo);
asm goto volatile("");
asm inline goto volatile("" ::::foo);
asm inline goto("" ::::foo);
asm inline volatile goto("" ::::foo);
asm inline volatile("");
asm volatile goto("" ::::foo);
asm volatile inline goto("" ::::foo);
asm volatile inline("");
foo:;
}
void duplicates(void) {
asm volatile volatile(""); // expected-error {{duplicate asm qualifier 'volatile'}}
__asm__ __volatile__ __volatile__(""); // expected-error {{duplicate asm qualifier 'volatile'}}
asm inline inline(""); // expected-error {{duplicate asm qualifier 'inline'}}
__asm__ __inline__ __inline__(""); // expected-error {{duplicate asm qualifier 'inline'}}
asm goto goto("" ::::foo); // expected-error {{duplicate asm qualifier 'goto'}}
__asm__ goto goto("" ::::foo); // expected-error {{duplicate asm qualifier 'goto'}}
foo:;
}
// globals
asm ("");
asm volatile (""); // expected-error {{meaningless 'volatile' on asm outside function}}
asm inline (""); // expected-error {{meaningless 'inline' on asm outside function}}
asm goto (""::::noodle); // expected-error {{meaningless 'goto' on asm outside function}}
// expected-error@-1 {{expected ')'}}
// expected-note@-2 {{to match this '('}}
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