File: noalias-flag.rs

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rustc 1.88.0%2Bdfsg1-1
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//@ compile-flags: -Copt-level=3 -Zmutable-noalias=no

#![crate_type = "lib"]

// `-Zmutable-noalias=no` should disable noalias on mut refs...

// CHECK-LABEL: @test_mut_ref(
// CHECK-NOT: noalias
// CHECK-SAME: %x
#[no_mangle]
pub fn test_mut_ref(x: &mut i32) -> &mut i32 {
    x
}

// ...but not on shared refs

// CHECK-LABEL: @test_ref(
// CHECK-SAME: noalias
// CHECK-SAME: %x
#[no_mangle]
pub fn test_ref(x: &i32) -> &i32 {
    x
}