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coverage: Branch coverage tests for lazy boolean operators
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,177 @@ | ||
| Function name: lazy_boolean::branch_and | ||
| Raw bytes (42): 0x[01, 01, 03, 09, 0a, 05, 09, 05, 09, 06, 01, 13, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0d, 00, 0e, 20, 09, 0a, 00, 0d, 00, 0e, 09, 00, 12, 00, 13, 03, 01, 05, 01, 02] | ||
| Number of files: 1 | ||
| - file 0 => global file 1 | ||
| Number of expressions: 3 | ||
| - expression 0 operands: lhs = Counter(2), rhs = Expression(2, Sub) | ||
| - expression 1 operands: lhs = Counter(1), rhs = Counter(2) | ||
| - expression 2 operands: lhs = Counter(1), rhs = Counter(2) | ||
| Number of file 0 mappings: 6 | ||
| - Code(Counter(0)) at (prev + 19, 1) to (start + 1, 16) | ||
| - Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) | ||
| = (c2 + (c1 - c2)) | ||
| - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) | ||
| - Branch { true: Counter(2), false: Expression(2, Sub) } at (prev + 0, 13) to (start + 0, 14) | ||
| true = c2 | ||
| false = (c1 - c2) | ||
| - Code(Counter(2)) at (prev + 0, 18) to (start + 0, 19) | ||
| - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) | ||
| = (c2 + (c1 - c2)) | ||
|
|
||
| Function name: lazy_boolean::branch_or | ||
| Raw bytes (44): 0x[01, 01, 04, 09, 0e, 05, 09, 05, 09, 05, 09, 06, 01, 1b, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0d, 00, 0e, 20, 09, 0e, 00, 0d, 00, 0e, 0e, 00, 12, 00, 13, 03, 01, 05, 01, 02] | ||
| Number of files: 1 | ||
| - file 0 => global file 1 | ||
| Number of expressions: 4 | ||
| - expression 0 operands: lhs = Counter(2), rhs = Expression(3, Sub) | ||
| - expression 1 operands: lhs = Counter(1), rhs = Counter(2) | ||
| - expression 2 operands: lhs = Counter(1), rhs = Counter(2) | ||
| - expression 3 operands: lhs = Counter(1), rhs = Counter(2) | ||
| Number of file 0 mappings: 6 | ||
| - Code(Counter(0)) at (prev + 27, 1) to (start + 1, 16) | ||
| - Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) | ||
| = (c2 + (c1 - c2)) | ||
| - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 14) | ||
| - Branch { true: Counter(2), false: Expression(3, Sub) } at (prev + 0, 13) to (start + 0, 14) | ||
| true = c2 | ||
| false = (c1 - c2) | ||
| - Code(Expression(3, Sub)) at (prev + 0, 18) to (start + 0, 19) | ||
| = (c1 - c2) | ||
| - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 1, 2) | ||
| = (c2 + (c1 - c2)) | ||
|
|
||
| Function name: lazy_boolean::chain | ||
| Raw bytes (149): 0x[01, 01, 13, 11, 07, 0b, 16, 15, 1a, 09, 0d, 05, 09, 05, 09, 09, 0d, 47, 25, 4b, 21, 19, 1d, 03, 19, 03, 19, 3e, 1d, 03, 19, 3e, 1d, 03, 19, 47, 25, 4b, 21, 19, 1d, 13, 01, 24, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0d, 00, 12, 20, 09, 16, 00, 0d, 00, 12, 09, 00, 16, 00, 1b, 20, 0d, 1a, 00, 16, 00, 1b, 0d, 00, 1f, 00, 24, 20, 11, 15, 00, 1f, 00, 24, 11, 00, 28, 00, 2d, 03, 01, 05, 00, 11, 43, 03, 09, 00, 0a, 03, 00, 0d, 00, 12, 20, 19, 3e, 00, 0d, 00, 12, 3e, 00, 16, 00, 1b, 20, 1d, 3a, 00, 16, 00, 1b, 3a, 00, 1f, 00, 24, 20, 21, 25, 00, 1f, 00, 24, 25, 00, 28, 00, 2d, 43, 01, 05, 01, 02] | ||
| Number of files: 1 | ||
| - file 0 => global file 1 | ||
| Number of expressions: 19 | ||
| - expression 0 operands: lhs = Counter(4), rhs = Expression(1, Add) | ||
| - expression 1 operands: lhs = Expression(2, Add), rhs = Expression(5, Sub) | ||
| - expression 2 operands: lhs = Counter(5), rhs = Expression(6, Sub) | ||
| - expression 3 operands: lhs = Counter(2), rhs = Counter(3) | ||
| - expression 4 operands: lhs = Counter(1), rhs = Counter(2) | ||
| - expression 5 operands: lhs = Counter(1), rhs = Counter(2) | ||
| - expression 6 operands: lhs = Counter(2), rhs = Counter(3) | ||
| - expression 7 operands: lhs = Expression(17, Add), rhs = Counter(9) | ||
| - expression 8 operands: lhs = Expression(18, Add), rhs = Counter(8) | ||
| - expression 9 operands: lhs = Counter(6), rhs = Counter(7) | ||
| - expression 10 operands: lhs = Expression(0, Add), rhs = Counter(6) | ||
| - expression 11 operands: lhs = Expression(0, Add), rhs = Counter(6) | ||
| - expression 12 operands: lhs = Expression(15, Sub), rhs = Counter(7) | ||
| - expression 13 operands: lhs = Expression(0, Add), rhs = Counter(6) | ||
| - expression 14 operands: lhs = Expression(15, Sub), rhs = Counter(7) | ||
| - expression 15 operands: lhs = Expression(0, Add), rhs = Counter(6) | ||
| - expression 16 operands: lhs = Expression(17, Add), rhs = Counter(9) | ||
| - expression 17 operands: lhs = Expression(18, Add), rhs = Counter(8) | ||
| - expression 18 operands: lhs = Counter(6), rhs = Counter(7) | ||
| Number of file 0 mappings: 19 | ||
| - Code(Counter(0)) at (prev + 36, 1) to (start + 1, 16) | ||
| - Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) | ||
| = (c4 + ((c5 + (c2 - c3)) + (c1 - c2))) | ||
| - Code(Counter(1)) at (prev + 0, 13) to (start + 0, 18) | ||
| - Branch { true: Counter(2), false: Expression(5, Sub) } at (prev + 0, 13) to (start + 0, 18) | ||
| true = c2 | ||
| false = (c1 - c2) | ||
| - Code(Counter(2)) at (prev + 0, 22) to (start + 0, 27) | ||
| - Branch { true: Counter(3), false: Expression(6, Sub) } at (prev + 0, 22) to (start + 0, 27) | ||
| true = c3 | ||
| false = (c2 - c3) | ||
| - Code(Counter(3)) at (prev + 0, 31) to (start + 0, 36) | ||
| - Branch { true: Counter(4), false: Counter(5) } at (prev + 0, 31) to (start + 0, 36) | ||
| true = c4 | ||
| false = c5 | ||
| - Code(Counter(4)) at (prev + 0, 40) to (start + 0, 45) | ||
| - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 0, 17) | ||
| = (c4 + ((c5 + (c2 - c3)) + (c1 - c2))) | ||
| - Code(Expression(16, Add)) at (prev + 3, 9) to (start + 0, 10) | ||
| = (((c6 + c7) + c8) + c9) | ||
| - Code(Expression(0, Add)) at (prev + 0, 13) to (start + 0, 18) | ||
| = (c4 + ((c5 + (c2 - c3)) + (c1 - c2))) | ||
| - Branch { true: Counter(6), false: Expression(15, Sub) } at (prev + 0, 13) to (start + 0, 18) | ||
| true = c6 | ||
| false = ((c4 + ((c5 + (c2 - c3)) + (c1 - c2))) - c6) | ||
| - Code(Expression(15, Sub)) at (prev + 0, 22) to (start + 0, 27) | ||
| = ((c4 + ((c5 + (c2 - c3)) + (c1 - c2))) - c6) | ||
| - Branch { true: Counter(7), false: Expression(14, Sub) } at (prev + 0, 22) to (start + 0, 27) | ||
| true = c7 | ||
| false = (((c4 + ((c5 + (c2 - c3)) + (c1 - c2))) - c6) - c7) | ||
| - Code(Expression(14, Sub)) at (prev + 0, 31) to (start + 0, 36) | ||
| = (((c4 + ((c5 + (c2 - c3)) + (c1 - c2))) - c6) - c7) | ||
| - Branch { true: Counter(8), false: Counter(9) } at (prev + 0, 31) to (start + 0, 36) | ||
| true = c8 | ||
| false = c9 | ||
| - Code(Counter(9)) at (prev + 0, 40) to (start + 0, 45) | ||
| - Code(Expression(16, Add)) at (prev + 1, 5) to (start + 1, 2) | ||
| = (((c6 + c7) + c8) + c9) | ||
|
|
||
| Function name: lazy_boolean::nested_mixed | ||
| Raw bytes (159): 0x[01, 01, 18, 07, 22, 11, 36, 3b, 11, 09, 0d, 26, 0d, 05, 09, 05, 09, 05, 09, 26, 0d, 05, 09, 09, 0d, 3b, 11, 09, 0d, 3b, 11, 09, 0d, 19, 5f, 1d, 21, 03, 15, 15, 19, 52, 56, 15, 19, 03, 15, 19, 5f, 1d, 21, 13, 01, 31, 01, 01, 10, 03, 04, 09, 00, 0a, 05, 00, 0e, 00, 13, 20, 09, 26, 00, 0e, 00, 13, 26, 00, 17, 00, 1d, 20, 0d, 22, 00, 17, 00, 1d, 3b, 00, 23, 00, 28, 20, 11, 36, 00, 23, 00, 28, 36, 00, 2c, 00, 33, 03, 01, 05, 00, 11, 5b, 03, 09, 00, 0a, 03, 00, 0e, 00, 13, 20, 15, 56, 00, 0e, 00, 13, 15, 00, 17, 00, 1c, 20, 19, 52, 00, 17, 00, 1c, 4f, 00, 22, 00, 28, 20, 1d, 21, 00, 22, 00, 28, 1d, 00, 2c, 00, 33, 5b, 01, 05, 01, 02] | ||
| Number of files: 1 | ||
| - file 0 => global file 1 | ||
| Number of expressions: 24 | ||
| - expression 0 operands: lhs = Expression(1, Add), rhs = Expression(8, Sub) | ||
| - expression 1 operands: lhs = Counter(4), rhs = Expression(13, Sub) | ||
| - expression 2 operands: lhs = Expression(14, Add), rhs = Counter(4) | ||
| - expression 3 operands: lhs = Counter(2), rhs = Counter(3) | ||
| - expression 4 operands: lhs = Expression(9, Sub), rhs = Counter(3) | ||
| - expression 5 operands: lhs = Counter(1), rhs = Counter(2) | ||
| - expression 6 operands: lhs = Counter(1), rhs = Counter(2) | ||
| - expression 7 operands: lhs = Counter(1), rhs = Counter(2) | ||
| - expression 8 operands: lhs = Expression(9, Sub), rhs = Counter(3) | ||
| - expression 9 operands: lhs = Counter(1), rhs = Counter(2) | ||
| - expression 10 operands: lhs = Counter(2), rhs = Counter(3) | ||
| - expression 11 operands: lhs = Expression(14, Add), rhs = Counter(4) | ||
| - expression 12 operands: lhs = Counter(2), rhs = Counter(3) | ||
| - expression 13 operands: lhs = Expression(14, Add), rhs = Counter(4) | ||
| - expression 14 operands: lhs = Counter(2), rhs = Counter(3) | ||
| - expression 15 operands: lhs = Counter(6), rhs = Expression(23, Add) | ||
| - expression 16 operands: lhs = Counter(7), rhs = Counter(8) | ||
| - expression 17 operands: lhs = Expression(0, Add), rhs = Counter(5) | ||
| - expression 18 operands: lhs = Counter(5), rhs = Counter(6) | ||
| - expression 19 operands: lhs = Expression(20, Sub), rhs = Expression(21, Sub) | ||
| - expression 20 operands: lhs = Counter(5), rhs = Counter(6) | ||
| - expression 21 operands: lhs = Expression(0, Add), rhs = Counter(5) | ||
| - expression 22 operands: lhs = Counter(6), rhs = Expression(23, Add) | ||
| - expression 23 operands: lhs = Counter(7), rhs = Counter(8) | ||
| Number of file 0 mappings: 19 | ||
| - Code(Counter(0)) at (prev + 49, 1) to (start + 1, 16) | ||
| - Code(Expression(0, Add)) at (prev + 4, 9) to (start + 0, 10) | ||
| = ((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) | ||
| - Code(Counter(1)) at (prev + 0, 14) to (start + 0, 19) | ||
| - Branch { true: Counter(2), false: Expression(9, Sub) } at (prev + 0, 14) to (start + 0, 19) | ||
| true = c2 | ||
| false = (c1 - c2) | ||
| - Code(Expression(9, Sub)) at (prev + 0, 23) to (start + 0, 29) | ||
| = (c1 - c2) | ||
| - Branch { true: Counter(3), false: Expression(8, Sub) } at (prev + 0, 23) to (start + 0, 29) | ||
| true = c3 | ||
| false = ((c1 - c2) - c3) | ||
| - Code(Expression(14, Add)) at (prev + 0, 35) to (start + 0, 40) | ||
| = (c2 + c3) | ||
| - Branch { true: Counter(4), false: Expression(13, Sub) } at (prev + 0, 35) to (start + 0, 40) | ||
| true = c4 | ||
| false = ((c2 + c3) - c4) | ||
| - Code(Expression(13, Sub)) at (prev + 0, 44) to (start + 0, 51) | ||
| = ((c2 + c3) - c4) | ||
| - Code(Expression(0, Add)) at (prev + 1, 5) to (start + 0, 17) | ||
| = ((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) | ||
| - Code(Expression(22, Add)) at (prev + 3, 9) to (start + 0, 10) | ||
| = (c6 + (c7 + c8)) | ||
| - Code(Expression(0, Add)) at (prev + 0, 14) to (start + 0, 19) | ||
| = ((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) | ||
| - Branch { true: Counter(5), false: Expression(21, Sub) } at (prev + 0, 14) to (start + 0, 19) | ||
| true = c5 | ||
| false = (((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) - c5) | ||
| - Code(Counter(5)) at (prev + 0, 23) to (start + 0, 28) | ||
| - Branch { true: Counter(6), false: Expression(20, Sub) } at (prev + 0, 23) to (start + 0, 28) | ||
| true = c6 | ||
| false = (c5 - c6) | ||
| - Code(Expression(19, Add)) at (prev + 0, 34) to (start + 0, 40) | ||
| = ((c5 - c6) + (((c4 + ((c2 + c3) - c4)) + ((c1 - c2) - c3)) - c5)) | ||
| - Branch { true: Counter(7), false: Counter(8) } at (prev + 0, 34) to (start + 0, 40) | ||
| true = c7 | ||
| false = c8 | ||
| - Code(Counter(7)) at (prev + 0, 44) to (start + 0, 51) | ||
| - Code(Expression(22, Add)) at (prev + 1, 5) to (start + 1, 2) | ||
| = (c6 + (c7 + c8)) | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| LL| |#![feature(coverage_attribute)] | ||
| LL| |//@ edition: 2021 | ||
| LL| |//@ compile-flags: -Zcoverage-options=branch | ||
| LL| |//@ llvm-cov-flags: --show-branches=count | ||
| LL| | | ||
| LL| |// Tests for branch coverage of the lazy boolean operators `&&` and `||`, | ||
| LL| |// as ordinary expressions that aren't part of an `if` condition or similar. | ||
| LL| | | ||
| LL| |use core::hint::black_box; | ||
| LL| | | ||
| LL| |// Helper macro to prevent start-of-function spans from being merged into | ||
| LL| |// spans on the lines we care about. | ||
| LL| |macro_rules! no_merge { | ||
| LL| | () => { | ||
| LL| | for _ in 0..1 {} | ||
| LL| | }; | ||
| LL| |} | ||
| LL| | | ||
| LL| 15|fn branch_and(a: bool, b: bool) { | ||
| LL| 15| no_merge!(); | ||
| LL| | | ||
| LL| | // |13 |18 (no branch) | ||
| LL| 15| let c = a && b; | ||
| ^12 | ||
| ------------------ | ||
| | Branch (LL:13): [True: 12, False: 3] | ||
| ------------------ | ||
| LL| 15| black_box(c); | ||
| LL| 15|} | ||
| LL| | | ||
| LL| 15|fn branch_or(a: bool, b: bool) { | ||
| LL| 15| no_merge!(); | ||
| LL| | | ||
| LL| | // |13 |18 (no branch) | ||
| LL| 15| let c = a || b; | ||
| ^3 | ||
| ------------------ | ||
| | Branch (LL:13): [True: 12, False: 3] | ||
| ------------------ | ||
| LL| 15| black_box(c); | ||
| LL| 15|} | ||
| LL| | | ||
| LL| |// Test for chaining one operator several times. | ||
| LL| 16|fn chain(x: u32) { | ||
| LL| 16| no_merge!(); | ||
| LL| | | ||
| LL| | // |13 |22 |31 |40 (no branch) | ||
| LL| 16| let c = x > 1 && x > 2 && x > 4 && x > 8; | ||
| ^14 ^13 ^11 | ||
| ------------------ | ||
| | Branch (LL:13): [True: 14, False: 2] | ||
| | Branch (LL:22): [True: 13, False: 1] | ||
| | Branch (LL:31): [True: 11, False: 2] | ||
| ------------------ | ||
| LL| 16| black_box(c); | ||
| LL| | | ||
| LL| | // |13 |22 |31 |40 (no branch) | ||
| LL| 16| let d = x < 1 || x < 2 || x < 4 || x < 8; | ||
| ^15 ^14 ^12 | ||
| ------------------ | ||
| | Branch (LL:13): [True: 1, False: 15] | ||
| | Branch (LL:22): [True: 1, False: 14] | ||
| | Branch (LL:31): [True: 2, False: 12] | ||
| ------------------ | ||
| LL| 16| black_box(d); | ||
| LL| 16|} | ||
| LL| | | ||
| LL| |// Test for nested combinations of different operators. | ||
| LL| 16|fn nested_mixed(x: u32) { | ||
| LL| 16| no_merge!(); | ||
| LL| | | ||
| LL| | // |14 |23 |35 |44 (no branch) | ||
| LL| 16| let c = (x < 4 || x >= 9) && (x < 2 || x >= 10); | ||
| ^12 ^11 ^9 | ||
| ------------------ | ||
| | Branch (LL:14): [True: 4, False: 12] | ||
| | Branch (LL:23): [True: 7, False: 5] | ||
| | Branch (LL:35): [True: 2, False: 9] | ||
| ------------------ | ||
| LL| 16| black_box(c); | ||
| LL| | | ||
| LL| | // |14 |23 |34 |44 (no branch) | ||
| LL| 16| let d = (x < 4 && x < 1) || (x >= 8 && x >= 10); | ||
| ^4 ^15 ^8 | ||
| ------------------ | ||
| | Branch (LL:14): [True: 4, False: 12] | ||
| | Branch (LL:23): [True: 1, False: 3] | ||
| | Branch (LL:34): [True: 8, False: 7] | ||
| ------------------ | ||
| LL| 16| black_box(d); | ||
| LL| 16|} | ||
| LL| | | ||
| LL| |#[coverage(off)] | ||
| LL| |fn main() { | ||
| LL| | // Use each set of arguments (2^n) times, so that each combination has a | ||
| LL| | // unique sum, and we can use those sums to verify expected control flow. | ||
| LL| | // 1x (false, false) | ||
| LL| | // 2x (false, true) | ||
| LL| | // 4x (true, false) | ||
| LL| | // 8x (true, true) | ||
| LL| | for a in [false, true, true, true, true] { | ||
| LL| | for b in [false, true, true] { | ||
| LL| | branch_and(a, b); | ||
| LL| | branch_or(a, b); | ||
| LL| | } | ||
| LL| | } | ||
| LL| | | ||
| LL| | for x in 0..16 { | ||
| LL| | chain(x); | ||
| LL| | nested_mixed(x); | ||
| LL| | } | ||
| LL| |} | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| #![feature(coverage_attribute)] | ||
| //@ edition: 2021 | ||
| //@ compile-flags: -Zcoverage-options=branch | ||
| //@ llvm-cov-flags: --show-branches=count | ||
|
|
||
| // Tests for branch coverage of the lazy boolean operators `&&` and `||`, | ||
| // as ordinary expressions that aren't part of an `if` condition or similar. | ||
|
|
||
| use core::hint::black_box; | ||
|
|
||
| // Helper macro to prevent start-of-function spans from being merged into | ||
| // spans on the lines we care about. | ||
| macro_rules! no_merge { | ||
| () => { | ||
| for _ in 0..1 {} | ||
| }; | ||
| } | ||
|
|
||
| fn branch_and(a: bool, b: bool) { | ||
| no_merge!(); | ||
|
|
||
| // |13 |18 (no branch) | ||
| let c = a && b; | ||
| black_box(c); | ||
| } | ||
|
|
||
| fn branch_or(a: bool, b: bool) { | ||
| no_merge!(); | ||
|
|
||
| // |13 |18 (no branch) | ||
| let c = a || b; | ||
| black_box(c); | ||
| } | ||
|
|
||
| // Test for chaining one operator several times. | ||
| fn chain(x: u32) { | ||
| no_merge!(); | ||
|
|
||
| // |13 |22 |31 |40 (no branch) | ||
| let c = x > 1 && x > 2 && x > 4 && x > 8; | ||
| black_box(c); | ||
|
|
||
| // |13 |22 |31 |40 (no branch) | ||
| let d = x < 1 || x < 2 || x < 4 || x < 8; | ||
| black_box(d); | ||
| } | ||
|
|
||
| // Test for nested combinations of different operators. | ||
| fn nested_mixed(x: u32) { | ||
| no_merge!(); | ||
|
|
||
| // |14 |23 |35 |44 (no branch) | ||
| let c = (x < 4 || x >= 9) && (x < 2 || x >= 10); | ||
| black_box(c); | ||
|
|
||
| // |14 |23 |34 |44 (no branch) | ||
| let d = (x < 4 && x < 1) || (x >= 8 && x >= 10); | ||
| black_box(d); | ||
| } | ||
|
|
||
| #[coverage(off)] | ||
| fn main() { | ||
| // Use each set of arguments (2^n) times, so that each combination has a | ||
| // unique sum, and we can use those sums to verify expected control flow. | ||
| // 1x (false, false) | ||
| // 2x (false, true) | ||
| // 4x (true, false) | ||
| // 8x (true, true) | ||
| for a in [false, true, true, true, true] { | ||
| for b in [false, true, true] { | ||
| branch_and(a, b); | ||
| branch_or(a, b); | ||
| } | ||
| } | ||
|
|
||
| for x in 0..16 { | ||
| chain(x); | ||
| nested_mixed(x); | ||
| } | ||
| } |