1 // RUN: %clang_cc1 -triple i386-pc-linux-gnu -fsyntax-only -verify -std=c++11 %s
2 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -verify -std=c++11 %s
3 
4 int a, b, c, d, e, f, g, h, i, j, k, l;
5 
6 void test1(void) {
7   __asm__ volatile goto (""
8             :: [a] "r" (a), [b] "r" (b), [c] "r" (c), [d] "r" (d),
9                [e] "r" (e), [f] "r" (f), [g] "r" (g), [h] "r" (h),
10                [i] "r" (i), [j] "r" (j), [k] "r" (k), [l] "r" (l)
11             ::lab1,lab2);
12 lab1: return;
13 lab2: return;
14 }
15 
16 void test2(void) {
17   __asm__ volatile goto (""
18             :: [a] "r,m" (a), [b] "r,m" (b), [c] "r,m" (c), [d] "r,m" (d),
19                [e] "r,m" (e), [f] "r,m" (f), [g] "r,m" (g), [h] "r,m" (h),
20                [i] "r,m" (i), [j] "r,m" (j), [k] "r,m" (k), [l] "r,m" (l)
21             :: lab);
22   lab: return;
23 }
24 
25 int test3(int x) {
26   __asm__ volatile goto ("decl %0; jnz %l[a]"
27                          : "=r" (x) : "m" (x) : "memory" : a);
28 a:
29   return -x;
30 }
31 
32 int test4(int x) {
33   int y;
34   if (x > 42)
35     __asm__ volatile goto ("decl %0; jnz %l[a]"
36                            : "=r" (x), "=r" (y) : "m" (x) : "memory" : a);
37   else
38     __asm__ volatile goto ("decl %0; jnz %l[b]"
39                            : "=r" (x), "=r" (y) : "m" (x) : "memory" : b);
40   x = y + 42;
41 a:
42   return -x;
43 b:
44   return +x;
45 }
46 
47 int test5(void) {
48   int x,cond,*e;
49   // expected-error@+1 {{expected ')'}}
50   asm ("mov %[e], %[e]" : : [e] "rm" (*e)::a)
51   // expected-error@+1 {{expected identifier}}
52   asm goto ("decl %0;" :: "m"(x) : "memory" : );
53   // expected-error@+1  {{expected ':'}}
54   asm goto ("decl %0;" :: "m"(x) : "memory" );
55   // expected-error@+1 {{use of undeclared label 'x'}}
56   asm goto ("decl %0;" :: "m"(x) : "memory" :x);
57   // expected-error@+1 {{use of undeclared label 'b'}}
58   asm goto ("decl %0;" :: "m"(x) : "memory" :b);
59   // expected-error@+1 {{invalid operand number in inline asm string}}
60   asm goto ("testl %0, %0; jne %l3;" :: "r"(cond)::label_true, loop);
61   // expected-error@+1 {{unknown symbolic operand name in inline assembly string}}
62   asm goto ("decl %0; jnz %l[b]" :: "m"(x) : "memory" : a);
63 label_true:
64 loop:
65 a:
66   return 0;
67 }
68 
69 int test6(int y) {
70   int x,cond,*e;
71   // expected-error@+1 {{expected ')'}}
72   asm ("mov %[e], %[e]" : "=r" (y) : [e] "rm" (*e), "r" (y) :: a)
73   // expected-error@+1 {{expected identifier}}
74   asm goto ("decl %0;" : "=r" (y) : "m" (x), "r" (y) : "memory" :);
75   // expected-error@+1  {{expected ':'}}
76   asm goto ("decl %0;" : "=r" (y) : "m" (x), "r" (y) : "memory");
77   // expected-error@+1 {{use of undeclared label 'x'}}
78   asm goto ("decl %0;" : "=r" (y) : "m" (x), "r" (y) : "memory" : x);
79   // expected-error@+1 {{use of undeclared label 'b'}}
80   asm goto ("decl %0;" : "=r" (y) : "m" (x), "r" (y) : "memory" : b);
81   // expected-error@+1 {{invalid operand number in inline asm string}}
82   asm goto ("testl %0, %0; jne %l5;" : "=r" (y) : "r" (cond), "r" (y) :: label_true, loop);
83   // expected-error@+1 {{unknown symbolic operand name in inline assembly string}}
84   asm goto ("decl %0; jnz %l[b]" : "=r" (y) : "m" (x), "r" (y) : "memory" : a);
85 label_true:
86 loop:
87 a:
88   return 0;
89 }
90