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Oct 10, 2016
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Test stack unwinding #344

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167 changes: 167 additions & 0 deletions ml-proto/test/unwind.wast
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Original file line number Diff line number Diff line change
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;; Test that control-flow transfer unwinds stack and it can be anything after.

(module
(func (export "block-unwind-by-unreachable")
(block (i32.const 3) (i64.const 1) (unreachable))
)
(func (export "block-unwind-by-br") (result i32)
(block (i32.const 3) (i64.const 1) (br 0)) (i32.const 9)
)
(func (export "block-unwind-by-br-value") (result i32)
(block i32 (i32.const 3) (i64.const 1) (br 0 (i32.const 9)))
)
(func (export "block-unwind-by-br_table") (result i32)
(block (i32.const 3) (i64.const 1) (br_table 0 (i32.const 0))) (i32.const 9)
)
(func (export "block-unwind-by-br_table-value") (result i32)
(block i32
(i32.const 3) (i64.const 1) (br_table 0 (i32.const 9) (i32.const 0))
)
)
(func (export "block-unwind-by-return") (result i32)
(block i32 (i32.const 3) (i64.const 1) (return (i32.const 9)))
)

(func (export "block-nested-unwind-by-unreachable") (result i32)
(block i32 (i32.const 3) (block (i64.const 1) (unreachable)))
)
(func (export "block-nested-unwind-by-br") (result i32)
(block (i32.const 3) (block (i64.const 1) (br 1)) (drop)) (i32.const 9)
)
(func (export "block-nested-unwind-by-br-value") (result i32)
(block i32 (i32.const 3) (block (i64.const 1) (br 1 (i32.const 9))))
)
(func (export "block-nested-unwind-by-br_table") (result i32)
(block
(i32.const 3) (block (i64.const 1) (br_table 1 (i32.const 1)))
(drop)
)
(i32.const 9)
)
(func (export "block-nested-unwind-by-br_table-value") (result i32)
(block i32
(i32.const 3)
(block (i64.const 1) (br_table 1 (i32.const 9) (i32.const 1)))
)
)
(func (export "block-nested-unwind-by-return") (result i32)
(block i32 (i32.const 3) (block (i64.const 1) (return (i32.const 9))))
)

(func (export "unary-after-unreachable") (result i32)
(f32.const 0) (unreachable) (i64.eqz)
)
(func (export "unary-after-br") (result i32)
(block i32 (f32.const 0) (br 0 (i32.const 9)) (i64.eqz))
)
(func (export "unary-after-br_table") (result i32)
(block i32
(f32.const 0) (br_table 0 0 (i32.const 9) (i32.const 0)) (i64.eqz)
)
)
(func (export "unary-after-return") (result i32)
(f32.const 0) (return (i32.const 9)) (i64.eqz)
)

(func (export "binary-after-unreachable") (result i32)
(f32.const 0) (f64.const 1) (unreachable) (i64.eq)
)
(func (export "binary-after-br") (result i32)
(block i32 (f32.const 0) (f64.const 1) (br 0 (i32.const 9)) (i64.eq))
)
(func (export "binary-after-br_table") (result i32)
(block i32
(f32.const 0) (f64.const 1) (br_table 0 (i32.const 9) (i32.const 0))
(i64.eq)
)
)
(func (export "binary-after-return") (result i32)
(f32.const 0) (f64.const 1) (return (i32.const 9)) (i64.eq)
)

(func (export "select-after-unreachable") (result i32)
(f32.const 0) (f64.const 1) (i64.const 0) (unreachable) (select)
)
(func (export "select-after-br") (result i32)
(block i32
(f32.const 0) (f64.const 1) (i64.const 0) (br 0 (i32.const 9)) (select)
)
)
(func (export "select-after-br_table") (result i32)
(block i32
(f32.const 0) (f64.const 1) (i64.const 0)
(br_table 0 (i32.const 9) (i32.const 0))
(select)
)
)
(func (export "select-after-return") (result i32)
(f32.const 0) (f64.const 1) (i64.const 1) (return (i32.const 9)) (select)
)

(func (export "block-value-after-unreachable") (result i32)
(block i32 (f32.const 0) (unreachable))
)
(func (export "block-value-after-br") (result i32)
(block i32 (f32.const 0) (br 0 (i32.const 9)))
)
(func (export "block-value-after-br_table") (result i32)
(block i32 (f32.const 0) (br_table 0 0 (i32.const 9) (i32.const 0)))
)
(func (export "block-value-after-return") (result i32)
(block i32 (f32.const 0) (return (i32.const 9)))
)

(func (export "loop-value-after-unreachable") (result i32)
(loop i32 (f32.const 0) (unreachable))
)
(func (export "loop-value-after-br") (result i32)
(block i32 (loop i32 (f32.const 0) (br 1 (i32.const 9))))
)
(func (export "loop-value-after-br_table") (result i32)
(block i32
(loop i32 (f32.const 0) (br_table 1 1 (i32.const 9) (i32.const 0)))
)
)
(func (export "loop-value-after-return") (result i32)
(loop i32 (f32.const 0) (return (i32.const 9)))
)
)

(assert_trap (invoke "block-unwind-by-unreachable") "unreachable")
(assert_return (invoke "block-unwind-by-br") (i32.const 9))
(assert_return (invoke "block-unwind-by-br-value") (i32.const 9))
(assert_return (invoke "block-unwind-by-br_table") (i32.const 9))
(assert_return (invoke "block-unwind-by-br_table-value") (i32.const 9))
(assert_return (invoke "block-unwind-by-return") (i32.const 9))

(assert_trap (invoke "block-nested-unwind-by-unreachable") "unreachable")
(assert_return (invoke "block-nested-unwind-by-br") (i32.const 9))
(assert_return (invoke "block-nested-unwind-by-br-value") (i32.const 9))
(assert_return (invoke "block-nested-unwind-by-br_table") (i32.const 9))
(assert_return (invoke "block-nested-unwind-by-br_table-value") (i32.const 9))
(assert_return (invoke "block-nested-unwind-by-return") (i32.const 9))

(assert_trap (invoke "unary-after-unreachable") "unreachable")
(assert_return (invoke "unary-after-br") (i32.const 9))
(assert_return (invoke "unary-after-br_table") (i32.const 9))
(assert_return (invoke "unary-after-return") (i32.const 9))

(assert_trap (invoke "binary-after-unreachable") "unreachable")
(assert_return (invoke "binary-after-br") (i32.const 9))
(assert_return (invoke "binary-after-br_table") (i32.const 9))
(assert_return (invoke "binary-after-return") (i32.const 9))

(assert_trap (invoke "select-after-unreachable") "unreachable")
(assert_return (invoke "select-after-br") (i32.const 9))
(assert_return (invoke "select-after-br_table") (i32.const 9))
(assert_return (invoke "select-after-return") (i32.const 9))

(assert_trap (invoke "block-value-after-unreachable") "unreachable")
(assert_return (invoke "block-value-after-br") (i32.const 9))
(assert_return (invoke "block-value-after-br_table") (i32.const 9))
(assert_return (invoke "block-value-after-return") (i32.const 9))

(assert_trap (invoke "loop-value-after-unreachable") "unreachable")
(assert_return (invoke "loop-value-after-br") (i32.const 9))
(assert_return (invoke "loop-value-after-br_table") (i32.const 9))
(assert_return (invoke "loop-value-after-return") (i32.const 9))