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Test instrument-mcount

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Jamie Hill-Daniel 2025-08-26 13:44:00 +00:00
parent 21e9889306
commit f9c765ed76
1 changed files with 24 additions and 0 deletions
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tests/assembly-llvm/x86_64-mcount.rs Normal file
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//@ 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
}