diff options
Diffstat (limited to 'src/test/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.diff')
| -rw-r--r-- | src/test/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.diff | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.diff b/src/test/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.diff new file mode 100644 index 000000000..a20a172af --- /dev/null +++ b/src/test/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.diff @@ -0,0 +1,39 @@ +- // MIR for `nrvo` before DestinationPropagation ++ // MIR for `nrvo` after DestinationPropagation + + fn nrvo(_1: for<'r> fn(&'r mut [u8; 1024])) -> [u8; 1024] { + debug init => _1; // in scope 0 at $DIR/simple.rs:+0:9: +0:13 + let mut _0: [u8; 1024]; // return place in scope 0 at $DIR/simple.rs:+0:39: +0:49 + let mut _2: [u8; 1024]; // in scope 0 at $DIR/simple.rs:+1:9: +1:16 + let _3: (); // in scope 0 at $DIR/simple.rs:+2:5: +2:19 + let mut _4: for<'r> fn(&'r mut [u8; 1024]); // in scope 0 at $DIR/simple.rs:+2:5: +2:9 + let mut _5: &mut [u8; 1024]; // in scope 0 at $DIR/simple.rs:+2:10: +2:18 + let mut _6: &mut [u8; 1024]; // in scope 0 at $DIR/simple.rs:+2:10: +2:18 + scope 1 { + debug buf => _2; // in scope 1 at $DIR/simple.rs:+1:9: +1:16 + } + + bb0: { + StorageLive(_2); // scope 0 at $DIR/simple.rs:+1:9: +1:16 + _2 = [const 0_u8; 1024]; // scope 0 at $DIR/simple.rs:+1:19: +1:28 + StorageLive(_3); // scope 1 at $DIR/simple.rs:+2:5: +2:19 + StorageLive(_4); // scope 1 at $DIR/simple.rs:+2:5: +2:9 + _4 = _1; // scope 1 at $DIR/simple.rs:+2:5: +2:9 + StorageLive(_5); // scope 1 at $DIR/simple.rs:+2:10: +2:18 + StorageLive(_6); // scope 1 at $DIR/simple.rs:+2:10: +2:18 + _6 = &mut _2; // scope 1 at $DIR/simple.rs:+2:10: +2:18 + _5 = &mut (*_6); // scope 1 at $DIR/simple.rs:+2:10: +2:18 + _3 = move _4(move _5) -> bb1; // scope 1 at $DIR/simple.rs:+2:5: +2:19 + } + + bb1: { + StorageDead(_5); // scope 1 at $DIR/simple.rs:+2:18: +2:19 + StorageDead(_4); // scope 1 at $DIR/simple.rs:+2:18: +2:19 + StorageDead(_6); // scope 1 at $DIR/simple.rs:+2:19: +2:20 + StorageDead(_3); // scope 1 at $DIR/simple.rs:+2:19: +2:20 + _0 = _2; // scope 1 at $DIR/simple.rs:+3:5: +3:8 + StorageDead(_2); // scope 0 at $DIR/simple.rs:+4:1: +4:2 + return; // scope 0 at $DIR/simple.rs:+4:2: +4:2 + } + } + |