rust/tests/mir-opt/coverage/instrument_coverage_cleanup.main.CleanupPostBorrowck.diff
Zalathar d01df6f9aa coverage: Simplify counter expressions using simple algebra
Some of these cases currently don't occur in practice, but are included for
completeness, and to avoid having to add them later as branch coverage and
MC/DC coverage start building more complex expressions.
2024-05-14 13:58:40 +10:00

55 lines
1.6 KiB
Diff

- // MIR for `main` before CleanupPostBorrowck
+ // MIR for `main` after CleanupPostBorrowck
fn main() -> () {
let mut _0: ();
let mut _1: bool;
coverage branch { true: BlockMarkerId(0), false: BlockMarkerId(1) } => $DIR/instrument_coverage_cleanup.rs:14:8: 14:36 (#0)
coverage ExpressionId(0) => Expression { lhs: Counter(0), op: Subtract, rhs: Counter(1) };
coverage Code(Counter(0)) => $DIR/instrument_coverage_cleanup.rs:13:1 - 14:36;
coverage Code(Expression(0)) => $DIR/instrument_coverage_cleanup.rs:14:37 - 14:39;
coverage Code(Counter(1)) => $DIR/instrument_coverage_cleanup.rs:14:39 - 14:40;
coverage Code(Counter(0)) => $DIR/instrument_coverage_cleanup.rs:15:1 - 15:2;
coverage Branch { true_term: Expression(0), false_term: Counter(1) } => $DIR/instrument_coverage_cleanup.rs:14:8 - 14:36;
bb0: {
Coverage::CounterIncrement(0);
- Coverage::SpanMarker;
+ nop;
StorageLive(_1);
_1 = std::hint::black_box::<bool>(const true) -> [return: bb1, unwind: bb5];
}
bb1: {
switchInt(move _1) -> [0: bb3, otherwise: bb2];
}
bb2: {
Coverage::CounterIncrement(1);
- Coverage::BlockMarker(1);
+ nop;
_0 = const ();
goto -> bb4;
}
bb3: {
Coverage::ExpressionUsed(0);
- Coverage::BlockMarker(0);
+ nop;
_0 = const ();
goto -> bb4;
}
bb4: {
StorageDead(_1);
return;
}
bb5 (cleanup): {
resume;
}
}