| //@ compile-flags: -C no-prepopulate-passes -Zmir-opt-level=0 -Copt-level=0 | |
| #![crate_type = "lib"] | |
| // Hack to get the correct size for the length part in slices | |
| // CHECK: @helper([[USIZE:i[0-9]+]] %_1) | |
| #[no_mangle] | |
| pub fn helper(_: usize) {} | |
| // CHECK-LABEL: @ref_dst | |
| #[no_mangle] | |
| pub fn ref_dst(s: &[u8]) { | |
| // We used to generate an extra alloca and memcpy to ref the dst, so check that we copy | |
| // directly to the alloca for "x" | |
| // CHECK: store ptr %s.0, {{.*}} %x | |
| // CHECK: [[X1:%[0-9]+]] = getelementptr inbounds i8, {{.*}} %x, {{i32 4|i64 8}} | |
| // CHECK: store [[USIZE]] %s.1, {{.*}} [[X1]] | |
| let x = &*s; | |
| &x; // keep variable in an alloca | |
| } |