File: simple.nrvo.DestinationPropagation.panic-unwind.diff

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (43 lines) | stat: -rw-r--r-- 1,093 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
- // MIR for `nrvo` before DestinationPropagation
+ // MIR for `nrvo` after DestinationPropagation
  
  fn nrvo(_1: for<'a> fn(&'a mut [u8; 1024])) -> [u8; 1024] {
      debug init => _1;
      let mut _0: [u8; 1024];
      let mut _2: [u8; 1024];
      let _3: ();
      let mut _4: for<'a> fn(&'a mut [u8; 1024]);
      let mut _5: &mut [u8; 1024];
      let mut _6: &mut [u8; 1024];
      scope 1 {
          debug buf => _2;
      }
  
      bb0: {
          StorageLive(_2);
          _2 = [const 0_u8; 1024];
          StorageLive(_3);
-         StorageLive(_4);
-         _4 = copy _1;
+         nop;
+         nop;
          StorageLive(_5);
          StorageLive(_6);
          _6 = &mut _2;
          _5 = &mut (*_6);
-         _3 = move _4(move _5) -> [return: bb1, unwind continue];
+         _3 = move _1(move _5) -> [return: bb1, unwind continue];
      }
  
      bb1: {
          StorageDead(_5);
-         StorageDead(_4);
+         nop;
          StorageDead(_6);
          StorageDead(_3);
          _0 = copy _2;
          StorageDead(_2);
          return;
      }
  }