rust/tests/mir-opt/unreachable_diverging.main.UnreachablePropagation.diff
2023-04-06 10:08:07 +01:00

72 lines
4.3 KiB
Diff

- // MIR for `main` before UnreachablePropagation
+ // MIR for `main` after UnreachablePropagation
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/unreachable_diverging.rs:+0:11: +0:11
let _1: bool; // in scope 0 at $DIR/unreachable_diverging.rs:+1:9: +1:10
let mut _2: std::option::Option<Empty>; // in scope 0 at $DIR/unreachable_diverging.rs:+2:25: +2:32
let mut _3: isize; // in scope 0 at $DIR/unreachable_diverging.rs:+2:12: +2:22
let _5: (); // in scope 0 at $DIR/unreachable_diverging.rs:+3:9: +5:10
let mut _6: bool; // in scope 0 at $DIR/unreachable_diverging.rs:+3:12: +3:13
let mut _7: !; // in scope 0 at $DIR/unreachable_diverging.rs:+6:9: +6:22
scope 1 {
debug x => _1; // in scope 1 at $DIR/unreachable_diverging.rs:+1:9: +1:10
scope 2 {
debug bomb => _4; // in scope 2 at $DIR/unreachable_diverging.rs:+2:17: +2:21
let _4: Empty; // in scope 2 at $DIR/unreachable_diverging.rs:+2:17: +2:21
}
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/unreachable_diverging.rs:+1:9: +1:10
_1 = const true; // scope 0 at $DIR/unreachable_diverging.rs:+1:13: +1:17
StorageLive(_2); // scope 2 at $DIR/unreachable_diverging.rs:+2:25: +2:32
_2 = empty() -> bb1; // scope 2 at $DIR/unreachable_diverging.rs:+2:25: +2:32
// mir::Constant
// + span: $DIR/unreachable_diverging.rs:15:25: 15:30
// + literal: Const { ty: fn() -> Option<Empty> {empty}, val: Value(<ZST>) }
}
bb1: {
_3 = discriminant(_2); // scope 2 at $DIR/unreachable_diverging.rs:+2:12: +2:22
switchInt(move _3) -> [1: bb2, otherwise: bb6]; // scope 2 at $DIR/unreachable_diverging.rs:+2:12: +2:22
}
bb2: {
StorageLive(_4); // scope 2 at $DIR/unreachable_diverging.rs:+2:17: +2:21
_4 = move ((_2 as Some).0: Empty); // scope 2 at $DIR/unreachable_diverging.rs:+2:17: +2:21
StorageLive(_5); // scope 2 at $DIR/unreachable_diverging.rs:+3:9: +5:10
StorageLive(_6); // scope 2 at $DIR/unreachable_diverging.rs:+3:12: +3:13
_6 = _1; // scope 2 at $DIR/unreachable_diverging.rs:+3:12: +3:13
switchInt(move _6) -> [0: bb4, otherwise: bb3]; // scope 2 at $DIR/unreachable_diverging.rs:+3:12: +3:13
}
bb3: {
_5 = loop_forever() -> bb5; // scope 2 at $DIR/unreachable_diverging.rs:+4:13: +4:27
// mir::Constant
// + span: $DIR/unreachable_diverging.rs:17:13: 17:25
// + literal: Const { ty: fn() {loop_forever}, val: Value(<ZST>) }
}
bb4: {
- _5 = const (); // scope 2 at $DIR/unreachable_diverging.rs:+5:10: +5:10
- goto -> bb5; // scope 2 at $DIR/unreachable_diverging.rs:+3:9: +5:10
+ unreachable; // scope 2 at $DIR/unreachable_diverging.rs:+3:9: +5:10
}
bb5: {
- StorageDead(_6); // scope 2 at $DIR/unreachable_diverging.rs:+5:9: +5:10
- StorageDead(_5); // scope 2 at $DIR/unreachable_diverging.rs:+5:9: +5:10
- StorageLive(_7); // scope 2 at $DIR/unreachable_diverging.rs:+6:9: +6:22
unreachable; // scope 2 at $DIR/unreachable_diverging.rs:+6:15: +6:19
}
bb6: {
_0 = const (); // scope 1 at $DIR/unreachable_diverging.rs:+7:6: +7:6
StorageDead(_1); // scope 0 at $DIR/unreachable_diverging.rs:+8:1: +8:2
StorageDead(_2); // scope 0 at $DIR/unreachable_diverging.rs:+8:1: +8:2
return; // scope 0 at $DIR/unreachable_diverging.rs:+8:2: +8:2
}
}