| //@ assembly-output: emit-asm |
| //@ compile-flags: -Zinstrument-mcount=fentry |
| //@ add-minicore |
| |
| //@ revisions: X86 S390X |
| //@[X86] compile-flags: --target=x86_64-unknown-linux-gnu -Cllvm-args=-x86-asm-syntax=intel |
| //@[X86] needs-llvm-components: x86 |
| //@[S390X] compile-flags: --target=s390x-unknown-linux-gnu |
| //@[S390X] needs-llvm-components: systemz |
| |
| #![crate_type = "lib"] |
| #![feature(no_core)] |
| #![no_core] |
| |
| extern crate minicore; |
| |
| // CHECK-LABEL: mcount_func: |
| #[no_mangle] |
| pub fn mcount_func(a: isize, b: isize) -> isize { |
| // X86: call __fentry__ |
| // S390X: brasl %r0, __fentry__@PLT |
| a + b |
| // X86: ret |
| // S390X: br %r14 |
| } |