wa-lang.org/wazero@v1.0.2/internal/integration_test/spectest/v2/testdata/traps.wast (about)

     1  ;; Test that traps are preserved even in instructions which might otherwise
     2  ;; be dead-code-eliminated. These functions all perform an operation and
     3  ;; discard its return value.
     4  
     5  (module
     6    (func (export "no_dce.i32.div_s") (param $x i32) (param $y i32)
     7      (drop (i32.div_s (local.get $x) (local.get $y))))
     8    (func (export "no_dce.i32.div_u") (param $x i32) (param $y i32)
     9      (drop (i32.div_u (local.get $x) (local.get $y))))
    10    (func (export "no_dce.i64.div_s") (param $x i64) (param $y i64)
    11      (drop (i64.div_s (local.get $x) (local.get $y))))
    12    (func (export "no_dce.i64.div_u") (param $x i64) (param $y i64)
    13      (drop (i64.div_u (local.get $x) (local.get $y))))
    14  )
    15  
    16  (assert_trap (invoke "no_dce.i32.div_s" (i32.const 1) (i32.const 0)) "integer divide by zero")
    17  (assert_trap (invoke "no_dce.i32.div_u" (i32.const 1) (i32.const 0)) "integer divide by zero")
    18  (assert_trap (invoke "no_dce.i64.div_s" (i64.const 1) (i64.const 0)) "integer divide by zero")
    19  (assert_trap (invoke "no_dce.i64.div_u" (i64.const 1) (i64.const 0)) "integer divide by zero")
    20  (assert_trap (invoke "no_dce.i32.div_s" (i32.const 0x80000000) (i32.const -1)) "integer overflow")
    21  (assert_trap (invoke "no_dce.i64.div_s" (i64.const 0x8000000000000000) (i64.const -1)) "integer overflow")
    22  
    23  (module
    24    (func (export "no_dce.i32.rem_s") (param $x i32) (param $y i32)
    25      (drop (i32.rem_s (local.get $x) (local.get $y))))
    26    (func (export "no_dce.i32.rem_u") (param $x i32) (param $y i32)
    27      (drop (i32.rem_u (local.get $x) (local.get $y))))
    28    (func (export "no_dce.i64.rem_s") (param $x i64) (param $y i64)
    29      (drop (i64.rem_s (local.get $x) (local.get $y))))
    30    (func (export "no_dce.i64.rem_u") (param $x i64) (param $y i64)
    31      (drop (i64.rem_u (local.get $x) (local.get $y))))
    32  )
    33  
    34  (assert_trap (invoke "no_dce.i32.rem_s" (i32.const 1) (i32.const 0)) "integer divide by zero")
    35  (assert_trap (invoke "no_dce.i32.rem_u" (i32.const 1) (i32.const 0)) "integer divide by zero")
    36  (assert_trap (invoke "no_dce.i64.rem_s" (i64.const 1) (i64.const 0)) "integer divide by zero")
    37  (assert_trap (invoke "no_dce.i64.rem_u" (i64.const 1) (i64.const 0)) "integer divide by zero")
    38  
    39  (module
    40    (func (export "no_dce.i32.trunc_f32_s") (param $x f32) (drop (i32.trunc_f32_s (local.get $x))))
    41    (func (export "no_dce.i32.trunc_f32_u") (param $x f32) (drop (i32.trunc_f32_u (local.get $x))))
    42    (func (export "no_dce.i32.trunc_f64_s") (param $x f64) (drop (i32.trunc_f64_s (local.get $x))))
    43    (func (export "no_dce.i32.trunc_f64_u") (param $x f64) (drop (i32.trunc_f64_u (local.get $x))))
    44    (func (export "no_dce.i64.trunc_f32_s") (param $x f32) (drop (i64.trunc_f32_s (local.get $x))))
    45    (func (export "no_dce.i64.trunc_f32_u") (param $x f32) (drop (i64.trunc_f32_u (local.get $x))))
    46    (func (export "no_dce.i64.trunc_f64_s") (param $x f64) (drop (i64.trunc_f64_s (local.get $x))))
    47    (func (export "no_dce.i64.trunc_f64_u") (param $x f64) (drop (i64.trunc_f64_u (local.get $x))))
    48  )
    49  
    50  (assert_trap (invoke "no_dce.i32.trunc_f32_s" (f32.const nan)) "invalid conversion to integer")
    51  (assert_trap (invoke "no_dce.i32.trunc_f32_u" (f32.const nan)) "invalid conversion to integer")
    52  (assert_trap (invoke "no_dce.i32.trunc_f64_s" (f64.const nan)) "invalid conversion to integer")
    53  (assert_trap (invoke "no_dce.i32.trunc_f64_u" (f64.const nan)) "invalid conversion to integer")
    54  (assert_trap (invoke "no_dce.i64.trunc_f32_s" (f32.const nan)) "invalid conversion to integer")
    55  (assert_trap (invoke "no_dce.i64.trunc_f32_u" (f32.const nan)) "invalid conversion to integer")
    56  (assert_trap (invoke "no_dce.i64.trunc_f64_s" (f64.const nan)) "invalid conversion to integer")
    57  (assert_trap (invoke "no_dce.i64.trunc_f64_u" (f64.const nan)) "invalid conversion to integer")
    58  
    59  (module
    60      (memory 1)
    61  
    62      (func (export "no_dce.i32.load") (param $i i32) (drop (i32.load (local.get $i))))
    63      (func (export "no_dce.i32.load16_s") (param $i i32) (drop (i32.load16_s (local.get $i))))
    64      (func (export "no_dce.i32.load16_u") (param $i i32) (drop (i32.load16_u (local.get $i))))
    65      (func (export "no_dce.i32.load8_s") (param $i i32) (drop (i32.load8_s (local.get $i))))
    66      (func (export "no_dce.i32.load8_u") (param $i i32) (drop (i32.load8_u (local.get $i))))
    67      (func (export "no_dce.i64.load") (param $i i32) (drop (i64.load (local.get $i))))
    68      (func (export "no_dce.i64.load32_s") (param $i i32) (drop (i64.load32_s (local.get $i))))
    69      (func (export "no_dce.i64.load32_u") (param $i i32) (drop (i64.load32_u (local.get $i))))
    70      (func (export "no_dce.i64.load16_s") (param $i i32) (drop (i64.load16_s (local.get $i))))
    71      (func (export "no_dce.i64.load16_u") (param $i i32) (drop (i64.load16_u (local.get $i))))
    72      (func (export "no_dce.i64.load8_s") (param $i i32) (drop (i64.load8_s (local.get $i))))
    73      (func (export "no_dce.i64.load8_u") (param $i i32) (drop (i64.load8_u (local.get $i))))
    74      (func (export "no_dce.f32.load") (param $i i32) (drop (f32.load (local.get $i))))
    75      (func (export "no_dce.f64.load") (param $i i32) (drop (f64.load (local.get $i))))
    76  )
    77  
    78  (assert_trap (invoke "no_dce.i32.load" (i32.const 65536)) "out of bounds memory access")
    79  (assert_trap (invoke "no_dce.i32.load16_s" (i32.const 65536)) "out of bounds memory access")
    80  (assert_trap (invoke "no_dce.i32.load16_u" (i32.const 65536)) "out of bounds memory access")
    81  (assert_trap (invoke "no_dce.i32.load8_s" (i32.const 65536)) "out of bounds memory access")
    82  (assert_trap (invoke "no_dce.i32.load8_u" (i32.const 65536)) "out of bounds memory access")
    83  (assert_trap (invoke "no_dce.i64.load" (i32.const 65536)) "out of bounds memory access")
    84  (assert_trap (invoke "no_dce.i64.load32_s" (i32.const 65536)) "out of bounds memory access")
    85  (assert_trap (invoke "no_dce.i64.load32_u" (i32.const 65536)) "out of bounds memory access")
    86  (assert_trap (invoke "no_dce.i64.load16_s" (i32.const 65536)) "out of bounds memory access")
    87  (assert_trap (invoke "no_dce.i64.load16_u" (i32.const 65536)) "out of bounds memory access")
    88  (assert_trap (invoke "no_dce.i64.load8_s" (i32.const 65536)) "out of bounds memory access")
    89  (assert_trap (invoke "no_dce.i64.load8_u" (i32.const 65536)) "out of bounds memory access")
    90  (assert_trap (invoke "no_dce.f32.load" (i32.const 65536)) "out of bounds memory access")
    91  (assert_trap (invoke "no_dce.f64.load" (i32.const 65536)) "out of bounds memory access")