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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
int foo1 asm ("bar1");
int foo2 asm (L"bar2"); // expected-error {{cannot use wide string literal in 'asm'}}
int foo3 asm (u8"bar3"); // expected-error {{cannot use unicode string literal in 'asm'}}
int foo4 asm (u"bar4"); // expected-error {{cannot use unicode string literal in 'asm'}}
int foo5 asm (U"bar5"); // expected-error {{cannot use unicode string literal in 'asm'}}
int foo6 asm ("bar6"_x); // expected-error {{string literal with user-defined suffix cannot be used here}}
int foo6 asm ("" L"bar7"); // expected-error {{cannot use wide string literal in 'asm'}}
void f() {
[[]] asm("");
[[gnu::deprecated]] asm(""); // expected-warning {{'gnu::deprecated' attribute ignored}}
}
#if !__has_extension(gnu_asm_constexpr_strings)
#error Extension 'gnu_asm_constexpr_strings' should be available by default
#endif
struct string_view {
int S;
const char* D;
constexpr string_view(const char* Str) : S(__builtin_strlen(Str)), D(Str) {}
constexpr string_view(int Size, const char* Str) : S(Size), D(Str) {}
constexpr int size() const {
return S;
}
constexpr const char* data() const {
return D;
}
};
// Neither gcc nor clang support expressions in label
int foo1 asm ((string_view("test"))); // expected-error {{expected string literal in 'asm'}}
int func() asm ((string_view("test"))); // expected-error {{expected string literal in 'asm'}}
void f2() {
asm(string_view("")); // expected-error {{expected string literal or parenthesized constant expression in 'asm'}}
asm("" : string_view("")); // expected-error {{expected string literal or parenthesized constant expression in 'asm'}}
asm("" : : string_view("")); // expected-error {{expected string literal or parenthesized constant expression in 'asm'}}
asm("" : : : string_view("")); // expected-error {{expected ')'}}
asm("" :: string_view("")); // expected-error {{expected string literal or parenthesized constant expression in 'asm'}}
asm(::string_view("")); // expected-error {{expected string literal or parenthesized constant expression in 'asm'}}
int i;
asm((string_view("")));
asm((::string_view("")));
asm("" : (::string_view("+g")) (i));
asm("" : (::string_view("+g"))); // expected-error {{expected '(' after 'asm operand'}}
asm("" : (::string_view("+g")) (i) : (::string_view("g")) (0));
asm("" : (::string_view("+g")) (i) : (::string_view("g"))); // expected-error {{expected '(' after 'asm operand'}}
asm("" : (::string_view("+g")) (i) : (::string_view("g")) (0) : (string_view("memory")));
asm((0)); // expected-error {{the expression in this asm operand must be a string literal or an object with 'data()' and 'size()' member functions}}
}
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