rust/tests/ui/codegen/remark-flag-functionality.rs

//! Check that `-Cremark` flag correctly emits LLVM optimization remarks.
//!
//! Regression test for <https://github.com/rust-lang/rust/issues/90924>.

//@ build-pass
//@ ignore-pass
//@ revisions: all inline merge1 merge2
//@ compile-flags: --crate-type=lib -Cdebuginfo=1 -Copt-level=2

// Check that remarks can be enabled individually or with "all":
//@ [all]    compile-flags: -Cremark=all
//@ [inline] compile-flags: -Cremark=inline

// Check that values of -Cremark flag are accumulated:
//@ [merge1] compile-flags: -Cremark=all    -Cremark=giraffe
//@ [merge2] compile-flags: -Cremark=inline -Cremark=giraffe

//@ dont-check-compiler-stderr
//@ dont-require-annotations: NOTE
//@ ignore-backends: gcc

#[no_mangle]
#[inline(never)]
pub fn f() {}

#[no_mangle]
pub fn g() {
    f();
}

//~? NOTE inline (missed): 'f' not inlined into 'g'