41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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#if !__has_extension(gnu_asm)
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#error Extension 'gnu_asm' should be available by default
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#endif
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void f1() {
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// PR7673: Some versions of GCC support an empty clobbers section.
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asm ("ret" : : :);
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}
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void f2() {
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asm("foo" : "=r" (a)); // expected-error {{use of undeclared identifier 'a'}}
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asm("foo" : : "r" (b)); // expected-error {{use of undeclared identifier 'b'}}
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}
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void a() __asm__(""); // expected-error {{cannot use an empty string literal in 'asm'}}
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void a() {
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__asm__(""); // ok
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}
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// rdar://5952468
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__asm ; // expected-error {{expected '(' after 'asm'}}
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// <rdar://problem/10465079> - Don't crash on wide string literals in 'asm'.
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int foo asm (L"bar"); // expected-error {{cannot use wide string literal in 'asm'}}
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asm() // expected-error {{expected string literal in 'asm'}}
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// expected-error@-1 {{expected ';' after top-level asm block}}
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asm(; // expected-error {{expected string literal in 'asm'}}
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asm("") // expected-error {{expected ';' after top-level asm block}}
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// Unterminated asm strings at the end of the file were causing us to crash, so
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// this needs to be last. rdar://15624081
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// expected-warning@+3 {{missing terminating '"' character}}
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// expected-error@+2 {{expected string literal in 'asm'}}
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// expected-error@+1 {{expected ';' after top-level asm block}}
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asm("
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