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coverage: Store BCB node IDs in mappings, and resolve them in codegen

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Even though the coverage graph itself is no longer available during codegen,
its nodes can still be used as opaque IDs.
This commit is contained in:
Zalathar 2025-01-20 22:43:59 +11:00
parent 59588250ad
commit ee7dc06cf1
12 changed files with 91 additions and 103 deletions
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10
tests/mir-opt/coverage/instrument_coverage_cleanup.main.InstrumentCoverage.diff
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@ -9,11 +9,11 @@
+ coverage body span: $DIR/instrument_coverage_cleanup.rs:13:11: 15:2 (#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 (#0);
+ coverage Code(Expression(0)) => $DIR/instrument_coverage_cleanup.rs:14:37: 14:39 (#0);
+ coverage Code(Counter(1)) => $DIR/instrument_coverage_cleanup.rs:14:39: 14:39 (#0);
+ coverage Code(Counter(0)) => $DIR/instrument_coverage_cleanup.rs:15:2: 15:2 (#0);
+ coverage Branch { true_term: Expression(0), false_term: Counter(1) } => $DIR/instrument_coverage_cleanup.rs:14:8: 14:36 (#0);
+ coverage Code { bcb: bcb0 } => $DIR/instrument_coverage_cleanup.rs:13:1: 14:36 (#0);
+ coverage Code { bcb: bcb3 } => $DIR/instrument_coverage_cleanup.rs:14:37: 14:39 (#0);
+ coverage Code { bcb: bcb1 } => $DIR/instrument_coverage_cleanup.rs:14:39: 14:39 (#0);
+ coverage Code { bcb: bcb2 } => $DIR/instrument_coverage_cleanup.rs:15:2: 15:2 (#0);
+ coverage Branch { true_bcb: bcb3, false_bcb: bcb1 } => $DIR/instrument_coverage_cleanup.rs:14:8: 14:36 (#0);
+
bb0: {
+ Coverage::CounterIncrement(0);