| // Test that we don't remove pointer to int casts or retags |
| //@ unit-test: DeadStoreElimination-initial |
| //@ compile-flags: -Zmir-emit-retag |
| |
| // EMIT_MIR provenance_soundness.pointer_to_int.DeadStoreElimination-initial.diff |
| fn pointer_to_int(p: *mut i32) { |
| // CHECK-LABEL: fn pointer_to_int( |
| // CHECK: {{_.*}} = {{.*}} as usize (PointerExposeProvenance); |
| // CHECK: {{_.*}} = {{.*}} as isize (PointerExposeProvenance); |
| let _x = p as usize; |
| let _y = p as isize; |
| } |
| |
| // EMIT_MIR provenance_soundness.retags.DeadStoreElimination-initial.diff |
| fn retags(_r: &mut i32) { |
| // CHECK-LABEL: fn retags( |
| // CHECK: Retag([fn entry] _1); |
| } |
| |
| fn main() { |
| pointer_to_int(&mut 5 as *mut _); |
| retags(&mut 5); |
| } |
