rust/tests/mir-opt/gvn.meta_of_ref_to_slice.GV...

33 lines
810 B
Diff

- // MIR for `meta_of_ref_to_slice` before GVN
+ // MIR for `meta_of_ref_to_slice` after GVN
fn meta_of_ref_to_slice(_1: *const i32) -> usize {
debug x => _1;
let mut _0: usize;
let _2: *const [i32];
let mut _3: *const i32;
let mut _4: *const [i32];
scope 1 {
debug ptr => _2;
}
bb0: {
- StorageLive(_2);
+ nop;
StorageLive(_3);
_3 = copy _1;
- _2 = *const [i32] from (move _3, const 1_usize);
+ _2 = *const [i32] from (copy _1, const 1_usize);
StorageDead(_3);
StorageLive(_4);
_4 = copy _2;
- _0 = PtrMetadata(move _4);
+ _0 = const 1_usize;
StorageDead(_4);
- StorageDead(_2);
+ nop;
return;
}
}