derek.holloway
7502bf64a4
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59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify %s
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void qualifiers(void) {
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asm("");
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asm volatile("");
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asm inline("");
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asm goto("" ::::foo);
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foo:;
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}
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void unknown_qualifiers(void) {
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asm noodle(""); // expected-error {{expected 'volatile', 'inline', 'goto', or '('}}
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asm goto noodle("" ::::foo); // expected-error {{expected 'volatile', 'inline', 'goto', or '('}}
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asm volatile noodle inline(""); // expected-error {{expected 'volatile', 'inline', 'goto', or '('}}
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foo:;
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}
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void underscores(void) {
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__asm__("");
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__asm__ __volatile__("");
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__asm__ __inline__("");
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// Note: goto is not supported with underscore prefix+suffix.
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__asm__ goto("" ::::foo);
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foo:;
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}
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void permutations(void) {
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asm goto inline volatile("" ::::foo);
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asm goto inline("");
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asm goto volatile inline("" ::::foo);
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asm goto volatile("");
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asm inline goto volatile("" ::::foo);
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asm inline goto("" ::::foo);
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asm inline volatile goto("" ::::foo);
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asm inline volatile("");
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asm volatile goto("" ::::foo);
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asm volatile inline goto("" ::::foo);
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asm volatile inline("");
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foo:;
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}
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void duplicates(void) {
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asm volatile volatile(""); // expected-error {{duplicate asm qualifier 'volatile'}}
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__asm__ __volatile__ __volatile__(""); // expected-error {{duplicate asm qualifier 'volatile'}}
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asm inline inline(""); // expected-error {{duplicate asm qualifier 'inline'}}
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__asm__ __inline__ __inline__(""); // expected-error {{duplicate asm qualifier 'inline'}}
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asm goto goto("" ::::foo); // expected-error {{duplicate asm qualifier 'goto'}}
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__asm__ goto goto("" ::::foo); // expected-error {{duplicate asm qualifier 'goto'}}
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foo:;
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}
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// globals
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asm ("");
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asm volatile (""); // expected-error {{meaningless 'volatile' on asm outside function}}
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asm inline (""); // expected-error {{meaningless 'inline' on asm outside function}}
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asm goto (""::::noodle); // expected-error {{meaningless 'goto' on asm outside function}}
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// expected-error@-1 {{expected ')'}}
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// expected-note@-2 {{to match this '('}}
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