asm.c revision 7f422287a2ee7e515beb715f1f8915e9331469ee
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'}} 118bd36fcb4427519f41197d88b9121e2bbe9e3fc3Anders Carlsson} 12aec3a1eb215445e63ba5702f8d6b1e0f2e8c27b9Chris Lattner 13aec3a1eb215445e63ba5702f8d6b1e0f2e8c27b9Chris Lattner 14aec3a1eb215445e63ba5702f8d6b1e0f2e8c27b9Chris Lattner// rdar://5952468 15aec3a1eb215445e63ba5702f8d6b1e0f2e8c27b9Chris Lattner__asm ; // expected-error {{expected '(' after 'asm'}} 16aec3a1eb215445e63ba5702f8d6b1e0f2e8c27b9Chris Lattner 177f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek// <rdar://problem/10465079> - Don't crash on wide string literals in 'asm'. 187f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenekint foo asm (L"bar"); // expected-error {{cannot use wide string literal in 'asm'}} 197f422287a2ee7e515beb715f1f8915e9331469eeTed Kremenek 20