49 lines
1.2 KiB
Diff
49 lines
1.2 KiB
Diff
|
- // MIR for `slice_const_length` before GVN
|
||
|
|
+ // MIR for `slice_const_length` after GVN
|
||
|
|
|
||
|
|
fn slice_const_length(_1: &[i32]) -> *const [i32] {
|
||
|
|
debug x => _1;
|
||
|
|
let mut _0: *const [i32];
|
||
|
|
let _2: *const i32;
|
||
|
|
let mut _3: &[i32];
|
||
|
|
let mut _5: *const i32;
|
||
|
|
let mut _6: usize;
|
||
|
|
scope 1 {
|
||
|
|
debug ptr => _2;
|
||
|
|
let _4: usize;
|
||
|
|
scope 2 {
|
||
|
|
debug len => _4;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
bb0: {
|
||
|
|
- StorageLive(_2);
|
||
|
|
+ nop;
|
||
|
|
StorageLive(_3);
|
||
|
|
_3 = &(*_1);
|
||
|
|
_2 = core::slice::<impl [i32]>::as_ptr(move _3) -> [return: bb1, unwind continue];
|
||
|
|
}
|
||
|
|
|
||
|
|
bb1: {
|
||
|
|
StorageDead(_3);
|
||
|
|
- StorageLive(_4);
|
||
|
|
+ nop;
|
||
|
|
_4 = const 123_usize;
|
||
|
|
StorageLive(_5);
|
||
|
|
_5 = copy _2;
|
||
|
|
StorageLive(_6);
|
||
|
|
- _6 = copy _4;
|
||
|
|
- _0 = *const [i32] from (move _5, move _6);
|
||
|
|
+ _6 = const 123_usize;
|
||
|
|
+ _0 = *const [i32] from (copy _2, const 123_usize);
|
||
|
|
StorageDead(_6);
|
||
|
|
StorageDead(_5);
|
||
|
|
- StorageDead(_4);
|
||
|
|
- StorageDead(_2);
|
||
|
|
+ nop;
|
||
|
|
+ nop;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|