src/binaryen/test/spec/traps.wast

   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) (result i32)
   7     (i32.div_s (get_local $x) (get_local $y)))
   8   (func (export "no_dce.i32.div_u") (param $x i32) (param $y i32) (result i32)
   9     (i32.div_u (get_local $x) (get_local $y)))
  10   (func (export "no_dce.i64.div_s") (param $x i64) (param $y i64) (result i64)
  11     (i64.div_s (get_local $x) (get_local $y)))
  12   (func (export "no_dce.i64.div_u") (param $x i64) (param $y i64) (result i64)
  13     (i64.div_u (get_local $x) (get_local $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
  21 (module
  22   (func (export "no_dce.i32.rem_s") (param $x i32) (param $y i32) (result i32)
  23     (i32.rem_s (get_local $x) (get_local $y)))
  24   (func (export "no_dce.i32.rem_u") (param $x i32) (param $y i32) (result i32)
  25     (i32.rem_u (get_local $x) (get_local $y)))
  26   (func (export "no_dce.i64.rem_s") (param $x i64) (param $y i64) (result i64)
  27     (i64.rem_s (get_local $x) (get_local $y)))
  28   (func (export "no_dce.i64.rem_u") (param $x i64) (param $y i64) (result i64)
  29     (i64.rem_u (get_local $x) (get_local $y)))
  30 )
  31
  32 (assert_trap (invoke "no_dce.i32.rem_s" (i32.const 1) (i32.const 0)) "integer divide by zero")
  33 (assert_trap (invoke "no_dce.i32.rem_u" (i32.const 1) (i32.const 0)) "integer divide by zero")
  34 (assert_trap (invoke "no_dce.i64.rem_s" (i64.const 1) (i64.const 0)) "integer divide by zero")
  35 (assert_trap (invoke "no_dce.i64.rem_u" (i64.const 1) (i64.const 0)) "integer divide by zero")
  36
  37 (module
  38   (func (export "no_dce.i32.trunc_s_f32") (param $x f32) (result i32) (i32.trunc_s/f32 (get_local $x)))
  39   (func (export "no_dce.i32.trunc_u_f32") (param $x f32) (result i32) (i32.trunc_u/f32 (get_local $x)))
  40   (func (export "no_dce.i32.trunc_s_f64") (param $x f64) (result i32) (i32.trunc_s/f64 (get_local $x)))
  41   (func (export "no_dce.i32.trunc_u_f64") (param $x f64) (result i32) (i32.trunc_u/f64 (get_local $x)))
  42   (func (export "no_dce.i64.trunc_s_f32") (param $x f32) (result i64) (i64.trunc_s/f32 (get_local $x)))
  43   (func (export "no_dce.i64.trunc_u_f32") (param $x f32) (result i64) (i64.trunc_u/f32 (get_local $x)))
  44   (func (export "no_dce.i64.trunc_s_f64") (param $x f64) (result i64) (i64.trunc_s/f64 (get_local $x)))
  45   (func (export "no_dce.i64.trunc_u_f64") (param $x f64) (result i64) (i64.trunc_u/f64 (get_local $x)))
  46 )
  47
  48 (assert_trap (invoke "no_dce.i32.trunc_s_f32" (f32.const nan)) "invalid conversion to integer")
  49 (assert_trap (invoke "no_dce.i32.trunc_u_f32" (f32.const nan)) "invalid conversion to integer")
  50 (assert_trap (invoke "no_dce.i32.trunc_s_f64" (f64.const nan)) "invalid conversion to integer")
  51 (assert_trap (invoke "no_dce.i32.trunc_u_f64" (f64.const nan)) "invalid conversion to integer")
  52 (assert_trap (invoke "no_dce.i64.trunc_s_f32" (f32.const nan)) "invalid conversion to integer")
  53 (assert_trap (invoke "no_dce.i64.trunc_u_f32" (f32.const nan)) "invalid conversion to integer")
  54 (assert_trap (invoke "no_dce.i64.trunc_s_f64" (f64.const nan)) "invalid conversion to integer")
  55 (assert_trap (invoke "no_dce.i64.trunc_u_f64" (f64.const nan)) "invalid conversion to integer")
  56
  57 (module
  58     (memory 1)
  59
  60     (func (export "no_dce.i32.load") (param $i i32) (result i32) (i32.load (get_local $i)))
  61     (func (export "no_dce.i64.load") (param $i i32) (result i64) (i64.load (get_local $i)))
  62     (func (export "no_dce.f32.load") (param $i i32) (result f32) (f32.load (get_local $i)))
  63     (func (export "no_dce.f64.load") (param $i i32) (result f64) (f64.load (get_local $i)))
  64 )
  65
  66 (assert_trap (invoke "no_dce.i32.load" (i32.const 65536)) "out of bounds memory access")
  67 (assert_trap (invoke "no_dce.i64.load" (i32.const 65536)) "out of bounds memory access")
  68 (assert_trap (invoke "no_dce.f32.load" (i32.const 65536)) "out of bounds memory access")
  69 (assert_trap (invoke "no_dce.f64.load" (i32.const 65536)) "out of bounds memory access")