| 1 | // REQUIRES: x86-registered-target |
| 2 | // RUN: %clang_cc1 %s -triple i386-apple-darwin10 -fms-extensions -fasm-blocks -Wno-microsoft -Wunused-label -verify -fsyntax-only |
| 3 | |
| 4 | void t1(void) { |
| 5 | __asm __asm // expected-error {{__asm used with no assembly instructions}} |
| 6 | } |
| 7 | |
| 8 | void f() { |
| 9 | int foo; |
| 10 | __asm { |
| 11 | mov eax, eax |
| 12 | .unknowndirective // expected-error {{unknown directive}} |
| 13 | } |
| 14 | f(); |
| 15 | __asm { |
| 16 | mov eax, 1+=2 // expected-error {{unknown token in expression}} |
| 17 | } |
| 18 | f(); |
| 19 | __asm { |
| 20 | mov eax, 1+++ // expected-error {{unknown token in expression}} |
| 21 | } |
| 22 | f(); |
| 23 | __asm { |
| 24 | mov eax, LENGTH bar // expected-error {{unable to lookup expression}} |
| 25 | } |
| 26 | f(); |
| 27 | __asm { |
| 28 | mov eax, SIZE bar // expected-error {{unable to lookup expression}} |
| 29 | } |
| 30 | f(); |
| 31 | __asm { |
| 32 | mov eax, TYPE bar // expected-error {{unable to lookup expression}} expected-error {{use of undeclared label 'bar'}} |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | void rdar15318432(void) { |
| 37 | // We used to crash on this. When LLVM called back to Clang to parse a name |
| 38 | // and do name lookup, if parsing failed, we did not restore the lexer state |
| 39 | // properly. |
| 40 | |
| 41 | __asm { |
| 42 | and ecx, ~15 |
| 43 | } |
| 44 | |
| 45 | int x = 0; |
| 46 | __asm { |
| 47 | and ecx, x |
| 48 | and ecx, ~15 |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | static int global; |
| 53 | |
| 54 | int t2(int *arr, int i) { |
| 55 | __asm { |
| 56 | mov eax, arr; |
| 57 | mov eax, arr[0]; |
| 58 | mov eax, arr[1 + 2]; |
| 59 | mov eax, arr[1 + (2 * 5) - 3 + 1<<1]; |
| 60 | } |
| 61 | |
| 62 | // expected-error@+1 {{cannot use more than one symbol in memory operand}} |
| 63 | __asm { mov eax, arr[i] } |
| 64 | // expected-error@+1 {{cannot use more than one symbol in memory operand}} |
| 65 | __asm { mov eax, global[i] } |
| 66 | |
| 67 | // expected-error@+1 {{cannot use more than one symbol in memory operand}} |
| 68 | __asm mov eax, [arr + i]; |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | typedef struct { |
| 73 | int a; |
| 74 | int b; |
| 75 | } A; |
| 76 | |
| 77 | void t3() { |
| 78 | __asm { mov eax, [eax] UndeclaredId } // expected-error {{unknown token in expression}} expected-error {{use of undeclared label 'UndeclaredId'}} |
| 79 | |
| 80 | // FIXME: Only emit one diagnostic here. |
| 81 | // expected-error@+3 {{use of undeclared label 'A'}} |
| 82 | // expected-error@+2 {{unexpected type name 'A': expected expression}} |
| 83 | // expected-error@+1 {{unknown token in expression}} |
| 84 | __asm { mov eax, [eax] A } |
| 85 | } |
| 86 | |
| 87 | void t4() { |
| 88 | // The dot in the "intel dot operator" is optional in MSVC. MSVC also does |
| 89 | // global field lookup, but we don't. |
| 90 | __asm { mov eax, [0] A.a } |
| 91 | __asm { mov eax, [0].A.a } |
| 92 | __asm { mov eax, [0].a } // expected-error {{Unable to lookup field reference!}} |
| 93 | __asm { mov eax, fs:[0] A.a } |
| 94 | __asm { mov eax, fs:[0].A.a } |
| 95 | __asm { mov eax, fs:[0].a } // expected-error {{Unable to lookup field reference!}} |
| 96 | __asm { mov eax, fs:[0]. A.a } // expected-error {{unexpected token in argument list}} |
| 97 | } |
| 98 | |
| 99 | void test_operand_size() { |
| 100 | __asm { call word t4 } // expected-error {{Expected 'PTR' or 'ptr' token!}} |
| 101 | } |
| 102 | |
| 103 | __declspec(naked) int t5(int x) { // expected-note {{attribute is here}} |
| 104 | asm { movl eax, x } // expected-error {{parameter references not allowed in naked functions}} expected-error {{use of undeclared label 'x'}} |
| 105 | asm { retl } |
| 106 | } |
| 107 | |
| 108 | int y; |
| 109 | __declspec(naked) int t6(int x) { |
| 110 | asm { mov eax, y } // No error. |
| 111 | asm { ret } |
| 112 | } |
| 113 | |
| 114 | void t7() { |
| 115 | __asm { |
| 116 | foo: // expected-note {{inline assembly label 'foo' declared here}} |
| 117 | mov eax, 0 |
| 118 | } |
| 119 | goto foo; // expected-error {{cannot jump from this goto statement to label 'foo' inside an inline assembly block}} |
| 120 | } |
| 121 | |
| 122 | void t8() { |
| 123 | __asm foo: // expected-note {{inline assembly label 'foo' declared here}} |
| 124 | __asm mov eax, 0 |
| 125 | goto foo; // expected-error {{cannot jump from this goto statement to label 'foo' inside an inline assembly block}} |
| 126 | } |
| 127 | |
| 128 | void t9() { |
| 129 | goto foo; // expected-error {{cannot jump from this goto statement to label 'foo' inside an inline assembly block}} |
| 130 | __asm { |
| 131 | foo: // expected-note {{inline assembly label 'foo' declared here}} |
| 132 | mov eax, 0 |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | void t10() { |
| 137 | goto foo; // expected-error {{cannot jump from this goto statement to label 'foo' inside an inline assembly block}} |
| 138 | __asm foo: // expected-note {{inline assembly label 'foo' declared here}} |
| 139 | __asm mov eax, 0 |
| 140 | } |
| 141 | |
| 142 | void t11() { |
| 143 | foo: |
| 144 | __asm mov eax, foo // expected-error {{use of undeclared label 'foo'}} expected-warning {{unused label 'foo'}} |
| 145 | } |
| 146 | |
| 147 | void t12() { |
| 148 | __asm foo: |
| 149 | __asm bar: // expected-warning {{unused label 'bar'}} |
| 150 | __asm jmp foo |
| 151 | } |
| 152 | |