| /* { dg-do compile } */ |
| /* { dg-require-effective-target lp64 } */ |
| /* -O2 forces a sibling call. */ |
| /* { dg-options "-O2 -mpatch-functions-for-instrumentation" } */ |
| |
| /* { dg-final { scan-assembler ".byte\t0xeb,0x09(.*).byte\t0x90" } } */ |
| |
| /* Checks correct nop-bytes are generated just before a sibling call. */ |
| /* { dg-final { scan-assembler ".byte\t0xeb,0x09(.*).byte\t0x90(.*)jmp" } } */ |
| |
| /* Not instrumented as function has no loop and is small. */ |
| __attribute__ ((noinline)) |
| int foo(int n) |
| { |
| int x = 0; |
| return n + 10; |
| } |
| |
| __attribute__ ((noinline)) |
| int bar(int n) |
| { |
| /* Dummy loop. */ |
| while (--n) |
| n = n * 2; |
| return foo(n); |
| } |
