rust/tests/mir-opt/gvn.slice_from_raw_parts_as...

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1.4 KiB
Diff

- // MIR for `slice_from_raw_parts_as_ptr` before GVN
+ // MIR for `slice_from_raw_parts_as_ptr` after GVN
fn slice_from_raw_parts_as_ptr(_1: *const u16, _2: usize) -> (*const u16, *const f32) {
debug x => _1;
debug n => _2;
let mut _0: (*const u16, *const f32);
let _3: *const [u16];
let mut _4: *const u16;
let mut _5: usize;
let mut _6: *const u16;
let mut _7: *const [u16];
let mut _8: *const f32;
let mut _9: *const [u16];
scope 1 {
debug ptr => _3;
}
bb0: {
- StorageLive(_3);
+ nop;
StorageLive(_4);
_4 = copy _1;
StorageLive(_5);
_5 = copy _2;
- _3 = *const [u16] from (move _4, move _5);
+ _3 = *const [u16] from (copy _1, copy _2);
StorageDead(_5);
StorageDead(_4);
StorageLive(_6);
StorageLive(_7);
_7 = copy _3;
- _6 = move _7 as *const u16 (PtrToPtr);
+ _6 = copy _1;
StorageDead(_7);
StorageLive(_8);
StorageLive(_9);
_9 = copy _3;
- _8 = move _9 as *const f32 (PtrToPtr);
+ _8 = copy _1 as *const f32 (PtrToPtr);
StorageDead(_9);
- _0 = (move _6, move _8);
+ _0 = (copy _1, move _8);
StorageDead(_8);
StorageDead(_6);
- StorageDead(_3);
+ nop;
return;
}
}