1a5728872c7702ddd09537c95bc3cbd20e1f2fb09Daniel Dunbar// RUN: %clang_cc1 -fsyntax-only -verify %s 2eecf847d1e46f4e1f7386ba3e624e2c8f31fa953Anders Carlsson 3eecf847d1e46f4e1f7386ba3e624e2c8f31fa953Anders Carlssonvoid f1() { 4102e1b6a4753b0bd3662ad1bd119f6efa04b8763Chandler Carruth // PR7673: Some versions of GCC support an empty clobbers section. 5102e1b6a4753b0bd3662ad1bd119f6efa04b8763Chandler Carruth asm ("ret" : : :); 6eecf847d1e46f4e1f7386ba3e624e2c8f31fa953Anders Carlsson} 78bd36fcb4427519f41197d88b9121e2bbe9e3fc3Anders Carlsson 88bd36fcb4427519f41197d88b9121e2bbe9e3fc3Anders Carlssonvoid f2() { 98bd36fcb4427519f41197d88b9121e2bbe9e3fc3Anders Carlsson asm("foo" : "=r" (a)); // expected-error {{use of undeclared identifier 'a'}} 108bd36fcb4427519f41197d88b9121e2bbe9e3fc3Anders Carlsson asm("foo" : : "r" (b)); // expected-error {{use of undeclared identifier 'b'}} 114cf4a5e96ab0babd13774b17112e7c1d83042ea7Richard Smith 124cf4a5e96ab0babd13774b17112e7c1d83042ea7Richard Smith asm const (""); // expected-warning {{ignored const qualifier on asm}} 134cf4a5e96ab0babd13774b17112e7c1d83042ea7Richard Smith asm volatile (""); 144cf4a5e96ab0babd13774b17112e7c1d83042ea7Richard Smith asm restrict (""); // expected-warning {{ignored restrict qualifier on asm}} 154cf4a5e96ab0babd13774b17112e7c1d83042ea7Richard Smith // FIXME: Once GCC supports _Atomic, check whether it allows this. 164cf4a5e96ab0babd13774b17112e7c1d83042ea7Richard Smith asm _Atomic (""); // expected-warning {{ignored _Atomic qualifier on asm}} 178bd36fcb4427519f41197d88b9121e2bbe9e3fc3Anders Carlsson} 18aec3a1eb215445e63ba5702f8d6b1e0f2e8c27b9Chris Lattner 19aec3a1eb215445e63ba5702f8d6b1e0f2e8c27b9Chris Lattner 20aec3a1eb215445e63ba5702f8d6b1e0f2e8c27b9Chris Lattner// rdar://5952468 21aec3a1eb215445e63ba5702f8d6b1e0f2e8c27b9Chris Lattner__asm ; // expected-error {{expected '(' after 'asm'}} 22aec3a1eb215445e63ba5702f8d6b1e0f2e8c27b9Chris Lattner 237f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek// <rdar://problem/10465079> - Don't crash on wide string literals in 'asm'. 247f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenekint foo asm (L"bar"); // expected-error {{cannot use wide string literal in 'asm'}} 257f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek 26651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesasm() // expected-error {{expected string literal in 'asm'}} 27651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// expected-error@-1 {{expected ';' after top-level asm block}} 28651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 29651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesasm(; // expected-error {{expected string literal in 'asm'}} 30651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 31651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesasm("") // expected-error {{expected ';' after top-level asm block}} 32651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 33651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// Unterminated asm strings at the end of the file were causing us to crash, so 34651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// this needs to be last. rdar://15624081 35651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// expected-warning@+3 {{missing terminating '"' character}} 36651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// expected-error@+2 {{expected string literal in 'asm'}} 37651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// expected-error@+1 {{expected ';' after top-level asm block}} 38651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesasm(" 39