| //@ assembly-output: emit-asm |
| //@ compile-flags: -Zinstrument-mcount=y -Cllvm-args=-x86-asm-syntax=intel |
| |
| //@ revisions: x86_64-linux |
| //@[x86_64-linux] compile-flags: --target=x86_64-unknown-linux-gnu |
| //@[x86_64-linux] needs-llvm-components: x86 |
| //@[x86_64-linux] only-x86_64-unknown-linux-gnu |
| |
| //@ revisions: x86_64-darwin |
| //@[x86_64-darwin] compile-flags: --target=x86_64-apple-darwin |
| //@[x86_64-darwin] needs-llvm-components: x86 |
| //@[x86_64-darwin] only-x86_64-apple-darwin |
| |
| #![crate_type = "lib"] |
| |
| // CHECK-LABEL: mcount_func: |
| #[no_mangle] |
| pub fn mcount_func() { |
| // CHECK: call mcount |
| |
| std::hint::black_box(()); |
| |
| // CHECK: ret |
| } |