| /* { dg-do compile } */ |
| /* { dg-require-effective-target lp64 } */ |
| /* { dg-options "-mpatch-functions-for-instrumentation -mno-patch-functions-main-always" } */ |
| |
| /* Even complicated functions shouldn't get patched if they have the |
| never_patch_for_instrumentation attribute. */ |
| |
| /* { dg-final { scan-assembler-not ".byte\t0xeb,0x09(.*).byte\t0x90" } } */ |
| /* { dg-final { scan-assembler-not "ret(.*).byte\t0x90(.*).byte\t0x90" } } */ |
| |
| __attribute__ ((never_patch_for_instrumentation)) |
| int foo () { |
| volatile unsigned x = 0; |
| volatile unsigned y = 1; |
| x += y; |
| x *= y; |
| while (++x) |
| foo (); |
| return y; |
| } |
| |
| |
| int main () |
| { |
| int x = 0; |
| return 0; |
| } |
