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coverage: Completely overhaul counter assignment, using node-flow graphs

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This commit is contained in:
Zalathar 2025-01-12 21:36:07 +11:00
parent e70112caf8
commit f1300c860e
51 changed files with 1930 additions and 1973 deletions
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58
tests/coverage/unused.cov-map
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@ -1,44 +1,42 @@
Function name: unused::foo::<f32>
Raw bytes (42): 0x[01, 01, 04, 07, 09, 01, 05, 03, 0d, 05, 09, 06, 01, 03, 01, 01, 12, 03, 02, 0b, 00, 11, 0a, 01, 09, 00, 0f, 09, 00, 13, 00, 19, 0f, 01, 09, 00, 0f, 0d, 02, 01, 00, 02]
Raw bytes (40): 0x[01, 01, 03, 05, 01, 05, 0b, 01, 09, 06, 01, 03, 01, 01, 12, 05, 02, 0b, 00, 11, 02, 01, 09, 00, 0f, 06, 00, 13, 00, 19, 02, 01, 09, 00, 0f, 01, 02, 01, 00, 02]
Number of files: 1
- file 0 => global file 1
Number of expressions: 4
- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(2)
- expression 1 operands: lhs = Counter(0), rhs = Counter(1)
- expression 2 operands: lhs = Expression(0, Add), rhs = Counter(3)
- expression 3 operands: lhs = Counter(1), rhs = Counter(2)
Number of expressions: 3
- expression 0 operands: lhs = Counter(1), rhs = Counter(0)
- expression 1 operands: lhs = Counter(1), rhs = Expression(2, Add)
- expression 2 operands: lhs = Counter(0), rhs = Counter(2)
Number of file 0 mappings: 6
- Code(Counter(0)) at (prev + 3, 1) to (start + 1, 18)
- Code(Expression(0, Add)) at (prev + 2, 11) to (start + 0, 17)
= ((c0 + c1) + c2)
- Code(Expression(2, Sub)) at (prev + 1, 9) to (start + 0, 15)
= (((c0 + c1) + c2) - c3)
- Code(Counter(2)) at (prev + 0, 19) to (start + 0, 25)
- Code(Expression(3, Add)) at (prev + 1, 9) to (start + 0, 15)
= (c1 + c2)
- Code(Counter(3)) at (prev + 2, 1) to (start + 0, 2)
Highest counter ID seen: c3
- Code(Counter(1)) at (prev + 2, 11) to (start + 0, 17)
- Code(Expression(0, Sub)) at (prev + 1, 9) to (start + 0, 15)
= (c1 - c0)
- Code(Expression(1, Sub)) at (prev + 0, 19) to (start + 0, 25)
= (c1 - (c0 + c2))
- Code(Expression(0, Sub)) at (prev + 1, 9) to (start + 0, 15)
= (c1 - c0)
- Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2)
Highest counter ID seen: c1
Function name: unused::foo::<u32>
Raw bytes (42): 0x[01, 01, 04, 07, 09, 01, 05, 03, 0d, 05, 09, 06, 01, 03, 01, 01, 12, 03, 02, 0b, 00, 11, 0a, 01, 09, 00, 0f, 09, 00, 13, 00, 19, 0f, 01, 09, 00, 0f, 0d, 02, 01, 00, 02]
Raw bytes (40): 0x[01, 01, 03, 05, 01, 05, 0b, 01, 09, 06, 01, 03, 01, 01, 12, 05, 02, 0b, 00, 11, 02, 01, 09, 00, 0f, 06, 00, 13, 00, 19, 02, 01, 09, 00, 0f, 01, 02, 01, 00, 02]
Number of files: 1
- file 0 => global file 1
Number of expressions: 4
- expression 0 operands: lhs = Expression(1, Add), rhs = Counter(2)
- expression 1 operands: lhs = Counter(0), rhs = Counter(1)
- expression 2 operands: lhs = Expression(0, Add), rhs = Counter(3)
- expression 3 operands: lhs = Counter(1), rhs = Counter(2)
Number of expressions: 3
- expression 0 operands: lhs = Counter(1), rhs = Counter(0)
- expression 1 operands: lhs = Counter(1), rhs = Expression(2, Add)
- expression 2 operands: lhs = Counter(0), rhs = Counter(2)
Number of file 0 mappings: 6
- Code(Counter(0)) at (prev + 3, 1) to (start + 1, 18)
- Code(Expression(0, Add)) at (prev + 2, 11) to (start + 0, 17)
= ((c0 + c1) + c2)
- Code(Expression(2, Sub)) at (prev + 1, 9) to (start + 0, 15)
= (((c0 + c1) + c2) - c3)
- Code(Counter(2)) at (prev + 0, 19) to (start + 0, 25)
- Code(Expression(3, Add)) at (prev + 1, 9) to (start + 0, 15)
= (c1 + c2)
- Code(Counter(3)) at (prev + 2, 1) to (start + 0, 2)
Highest counter ID seen: c3
- Code(Counter(1)) at (prev + 2, 11) to (start + 0, 17)
- Code(Expression(0, Sub)) at (prev + 1, 9) to (start + 0, 15)
= (c1 - c0)
- Code(Expression(1, Sub)) at (prev + 0, 19) to (start + 0, 25)
= (c1 - (c0 + c2))
- Code(Expression(0, Sub)) at (prev + 1, 9) to (start + 0, 15)
= (c1 - c0)
- Code(Counter(0)) at (prev + 2, 1) to (start + 0, 2)
Highest counter ID seen: c1
Function name: unused::main
Raw bytes (9): 0x[01, 01, 00, 01, 01, 25, 01, 04, 02]