| // 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: [[X0:%[0-9]+]] = getelementptr inbounds { ptr, [[USIZE]] }, {{.*}} %x, i32 0, i32 0 |
| // CHECK: store ptr %s.0, {{.*}} [[X0]] |
| // CHECK: [[X1:%[0-9]+]] = getelementptr inbounds { ptr, [[USIZE]] }, {{.*}} %x, i32 0, i32 1 |
| // CHECK: store [[USIZE]] %s.1, {{.*}} [[X1]] |
| |
| let x = &*s; |
| &x; // keep variable in an alloca |
| } |
