1 // A contrived example to test the double jump removal peephole.
2 
3 extern "C" unsigned long bar(unsigned long count) {
4   return count + 1;
5 }
6 
7 unsigned long foo(unsigned long count) {
8   asm(
9       "     cmpq  $1,%0\n"
10       "     je    .L7\n"
11       "     incq  %0\n"
12       "     jmp   .L1\n"
13       ".L1: jmp   .L2\n"
14       ".L2: incq  %0\n"
15       "     cmpq  $2,%0\n"
16       "     jne   .L3\n"
17       "     jmp   .L4\n"
18       ".L3: jmp   .L5\n"
19       ".L5: incq  %0\n"
20       ".L4: movq  %0,%%rdi\n"
21       "     pop   %%rbp\n"
22       "     jmp   .L6\n"
23       ".L7: pop   %%rbp\n"
24       "     incq  %0\n"
25       "     jmp   .L6\n"
26       ".L6: jmp   bar\n"
27       :
28       : "m"(count)
29       );
30   return count;
31 }
32 
33 int main(int argc, const char* argv[]) {
34   return foo(38);
35 }
36