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Diffstat (limited to 'tests/mir-opt/unreachable.main.UnreachablePropagation.diff')
| -rw-r--r-- | tests/mir-opt/unreachable.main.UnreachablePropagation.diff | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/tests/mir-opt/unreachable.main.UnreachablePropagation.diff b/tests/mir-opt/unreachable.main.UnreachablePropagation.diff new file mode 100644 index 000000000..848bff1d4 --- /dev/null +++ b/tests/mir-opt/unreachable.main.UnreachablePropagation.diff @@ -0,0 +1,70 @@ +- // MIR for `main` before UnreachablePropagation ++ // MIR for `main` after UnreachablePropagation + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/unreachable.rs:+0:11: +0:11 + let mut _1: std::option::Option<Empty>; // in scope 0 at $DIR/unreachable.rs:+1:23: +1:30 + let mut _2: isize; // in scope 0 at $DIR/unreachable.rs:+1:12: +1:20 + let _5: (); // in scope 0 at $DIR/unreachable.rs:+4:9: +8:10 + let mut _6: bool; // in scope 0 at $DIR/unreachable.rs:+4:12: +4:16 + let mut _7: !; // in scope 0 at $DIR/unreachable.rs:+10:9: +10:21 + scope 1 { + debug _x => _3; // in scope 1 at $DIR/unreachable.rs:+1:17: +1:19 + let _3: Empty; // in scope 1 at $DIR/unreachable.rs:+1:17: +1:19 + let mut _4: i32; // in scope 1 at $DIR/unreachable.rs:+2:13: +2:19 + scope 2 { + debug _y => _4; // in scope 2 at $DIR/unreachable.rs:+2:13: +2:19 + } + } + + bb0: { + StorageLive(_1); // scope 1 at $DIR/unreachable.rs:+1:23: +1:30 + _1 = empty() -> bb1; // scope 1 at $DIR/unreachable.rs:+1:23: +1:30 + // mir::Constant + // + span: $DIR/unreachable.rs:9:23: 9:28 + // + literal: Const { ty: fn() -> Option<Empty> {empty}, val: Value(<ZST>) } + } + + bb1: { + _2 = discriminant(_1); // scope 1 at $DIR/unreachable.rs:+1:12: +1:20 +- switchInt(move _2) -> [1: bb2, otherwise: bb6]; // scope 1 at $DIR/unreachable.rs:+1:12: +1:20 ++ switchInt(move _2) -> [1: bb2, otherwise: bb3]; // scope 1 at $DIR/unreachable.rs:+1:12: +1:20 + } + + bb2: { +- StorageLive(_3); // scope 1 at $DIR/unreachable.rs:+1:17: +1:19 +- _3 = move ((_1 as Some).0: Empty); // scope 1 at $DIR/unreachable.rs:+1:17: +1:19 +- StorageLive(_4); // scope 1 at $DIR/unreachable.rs:+2:13: +2:19 +- StorageLive(_5); // scope 2 at $DIR/unreachable.rs:+4:9: +8:10 +- StorageLive(_6); // scope 2 at $DIR/unreachable.rs:+4:12: +4:16 +- _6 = const true; // scope 2 at $DIR/unreachable.rs:+4:12: +4:16 +- switchInt(move _6) -> [0: bb4, otherwise: bb3]; // scope 2 at $DIR/unreachable.rs:+4:12: +4:16 ++ unreachable; // scope 2 at $DIR/unreachable.rs:+4:12: +4:16 + } + + bb3: { +- _4 = const 21_i32; // scope 2 at $DIR/unreachable.rs:+5:13: +5:20 +- _5 = const (); // scope 2 at $DIR/unreachable.rs:+4:17: +6:10 +- goto -> bb5; // scope 2 at $DIR/unreachable.rs:+4:9: +8:10 +- } +- +- bb4: { +- _4 = const 42_i32; // scope 2 at $DIR/unreachable.rs:+7:13: +7:20 +- _5 = const (); // scope 2 at $DIR/unreachable.rs:+6:16: +8:10 +- goto -> bb5; // scope 2 at $DIR/unreachable.rs:+4:9: +8:10 +- } +- +- bb5: { +- StorageDead(_6); // scope 2 at $DIR/unreachable.rs:+8:9: +8:10 +- StorageDead(_5); // scope 2 at $DIR/unreachable.rs:+8:9: +8:10 +- StorageLive(_7); // scope 2 at $DIR/unreachable.rs:+10:9: +10:21 +- unreachable; // scope 2 at $DIR/unreachable.rs:+10:15: +10:17 +- } +- +- bb6: { + _0 = const (); // scope 0 at $DIR/unreachable.rs:+11:6: +11:6 + StorageDead(_1); // scope 0 at $DIR/unreachable.rs:+12:1: +12:2 + return; // scope 0 at $DIR/unreachable.rs:+12:2: +12:2 + } + } + |