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- // 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;
}
}
|
