// |jit-test| --setpref=wasm_tail_calls=true; skip-if: !wasmTailCallsEnabled()
/* Copyright 2021 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// ./test/core/return_call_ref.wast

// ./test/core/return_call_ref.wast:3
let $0 = instantiate(`(module
  ;; Auxiliary definitions
  (type $$proc (func))
  (type $$-i32 (func (result i32)))
  (type $$-i64 (func (result i64)))
  (type $$-f32 (func (result f32)))
  (type $$-f64 (func (result f64)))

  (type $$i32-i32 (func (param i32) (result i32)))
  (type $$i64-i64 (func (param i64) (result i64)))
  (type $$f32-f32 (func (param f32) (result f32)))
  (type $$f64-f64 (func (param f64) (result f64)))

  (type $$f32-i32 (func (param f32 i32) (result i32)))
  (type $$i32-i64 (func (param i32 i64) (result i64)))
  (type $$f64-f32 (func (param f64 f32) (result f32)))
  (type $$i64-f64 (func (param i64 f64) (result f64)))

  (type $$i64i64-i64 (func (param i64 i64) (result i64)))

  (func $$const-i32 (result i32) (i32.const 0x132))
  (func $$const-i64 (result i64) (i64.const 0x164))
  (func $$const-f32 (result f32) (f32.const 0xf32))
  (func $$const-f64 (result f64) (f64.const 0xf64))

  (func $$id-i32 (param i32) (result i32) (local.get 0))
  (func $$id-i64 (param i64) (result i64) (local.get 0))
  (func $$id-f32 (param f32) (result f32) (local.get 0))
  (func $$id-f64 (param f64) (result f64) (local.get 0))

  (func $$f32-i32 (param f32 i32) (result i32) (local.get 1))
  (func $$i32-i64 (param i32 i64) (result i64) (local.get 1))
  (func $$f64-f32 (param f64 f32) (result f32) (local.get 1))
  (func $$i64-f64 (param i64 f64) (result f64) (local.get 1))

  (global $$const-i32 (ref $$-i32) (ref.func $$const-i32))
  (global $$const-i64 (ref $$-i64) (ref.func $$const-i64))
  (global $$const-f32 (ref $$-f32) (ref.func $$const-f32))
  (global $$const-f64 (ref $$-f64) (ref.func $$const-f64))

  (global $$id-i32 (ref $$i32-i32) (ref.func $$id-i32))
  (global $$id-i64 (ref $$i64-i64) (ref.func $$id-i64))
  (global $$id-f32 (ref $$f32-f32) (ref.func $$id-f32))
  (global $$id-f64 (ref $$f64-f64) (ref.func $$id-f64))

  (global $$f32-i32 (ref $$f32-i32) (ref.func $$f32-i32))
  (global $$i32-i64 (ref $$i32-i64) (ref.func $$i32-i64))
  (global $$f64-f32 (ref $$f64-f32) (ref.func $$f64-f32))
  (global $$i64-f64 (ref $$i64-f64) (ref.func $$i64-f64))

  (elem declare func
    $$const-i32 $$const-i64 $$const-f32 $$const-f64
    $$id-i32 $$id-i64 $$id-f32 $$id-f64
    $$f32-i32 $$i32-i64 $$f64-f32 $$i64-f64
  )

  ;; Typing

  (func (export "type-i32") (result i32)
    (return_call_ref $$-i32 (global.get $$const-i32))
  )
  (func (export "type-i64") (result i64)
    (return_call_ref $$-i64 (global.get $$const-i64))
  )
  (func (export "type-f32") (result f32)
    (return_call_ref $$-f32 (global.get $$const-f32))
  )
  (func (export "type-f64") (result f64)
    (return_call_ref $$-f64 (global.get $$const-f64))
  )

  (func (export "type-first-i32") (result i32)
    (return_call_ref $$i32-i32 (i32.const 32) (global.get $$id-i32))
  )
  (func (export "type-first-i64") (result i64)
    (return_call_ref $$i64-i64 (i64.const 64) (global.get $$id-i64))
  )
  (func (export "type-first-f32") (result f32)
    (return_call_ref $$f32-f32 (f32.const 1.32) (global.get $$id-f32))
  )
  (func (export "type-first-f64") (result f64)
    (return_call_ref $$f64-f64 (f64.const 1.64) (global.get $$id-f64))
  )

  (func (export "type-second-i32") (result i32)
    (return_call_ref $$f32-i32 (f32.const 32.1) (i32.const 32) (global.get $$f32-i32))
  )
  (func (export "type-second-i64") (result i64)
    (return_call_ref $$i32-i64 (i32.const 32) (i64.const 64) (global.get $$i32-i64))
  )
  (func (export "type-second-f32") (result f32)
    (return_call_ref $$f64-f32 (f64.const 64) (f32.const 32) (global.get $$f64-f32))
  )
  (func (export "type-second-f64") (result f64)
    (return_call_ref $$i64-f64 (i64.const 64) (f64.const 64.1) (global.get $$i64-f64))
  )

  ;; Null

  (func (export "null")
    (return_call_ref $$proc (ref.null $$proc))
  )

  ;; Recursion

  (global $$fac-acc (ref $$i64i64-i64) (ref.func $$fac-acc))

  (elem declare func $$fac-acc)
  (func $$fac-acc (export "fac-acc") (param i64 i64) (result i64)
    (if (result i64) (i64.eqz (local.get 0))
      (then (local.get 1))
      (else
        (return_call_ref $$i64i64-i64
          (i64.sub (local.get 0) (i64.const 1))
          (i64.mul (local.get 0) (local.get 1))
          (global.get $$fac-acc)
        )
      )
    )
  )

  (global $$count (ref $$i64-i64) (ref.func $$count))

  (elem declare func $$count)
  (func $$count (export "count") (param i64) (result i64)
    (if (result i64) (i64.eqz (local.get 0))
      (then (local.get 0))
      (else
        (return_call_ref $$i64-i64
          (i64.sub (local.get 0) (i64.const 1))
          (global.get $$count)
        )
      )
    )
  )

  (global $$even (ref $$i64-i64) (ref.func $$even))
  (global $$odd (ref $$i64-i64) (ref.func $$odd))

  (elem declare func $$even)
  (func $$even (export "even") (param i64) (result i64)
    (if (result i64) (i64.eqz (local.get 0))
      (then (i64.const 44))
      (else
        (return_call_ref $$i64-i64
          (i64.sub (local.get 0) (i64.const 1))
          (global.get $$odd)
        )
      )
    )
  )
  (elem declare func $$odd)
  (func $$odd (export "odd") (param i64) (result i64)
    (if (result i64) (i64.eqz (local.get 0))
      (then (i64.const 99))
      (else
        (return_call_ref $$i64-i64
          (i64.sub (local.get 0) (i64.const 1))
          (global.get $$even)
        )
      )
    )
  )
)`);

// ./test/core/return_call_ref.wast:168
assert_return(() => invoke($0, `type-i32`, []), [value("i32", 306)]);

// ./test/core/return_call_ref.wast:169
assert_return(() => invoke($0, `type-i64`, []), [value("i64", 356n)]);

// ./test/core/return_call_ref.wast:170
assert_return(() => invoke($0, `type-f32`, []), [value("f32", 3890)]);

// ./test/core/return_call_ref.wast:171
assert_return(() => invoke($0, `type-f64`, []), [value("f64", 3940)]);

// ./test/core/return_call_ref.wast:173
assert_return(() => invoke($0, `type-first-i32`, []), [value("i32", 32)]);

// ./test/core/return_call_ref.wast:174
assert_return(() => invoke($0, `type-first-i64`, []), [value("i64", 64n)]);

// ./test/core/return_call_ref.wast:175
assert_return(() => invoke($0, `type-first-f32`, []), [value("f32", 1.32)]);

// ./test/core/return_call_ref.wast:176
assert_return(() => invoke($0, `type-first-f64`, []), [value("f64", 1.64)]);

// ./test/core/return_call_ref.wast:178
assert_return(() => invoke($0, `type-second-i32`, []), [value("i32", 32)]);

// ./test/core/return_call_ref.wast:179
assert_return(() => invoke($0, `type-second-i64`, []), [value("i64", 64n)]);

// ./test/core/return_call_ref.wast:180
assert_return(() => invoke($0, `type-second-f32`, []), [value("f32", 32)]);

// ./test/core/return_call_ref.wast:181
assert_return(() => invoke($0, `type-second-f64`, []), [value("f64", 64.1)]);

// ./test/core/return_call_ref.wast:183
assert_trap(() => invoke($0, `null`, []), `null function`);

// ./test/core/return_call_ref.wast:185
assert_return(() => invoke($0, `fac-acc`, [0n, 1n]), [value("i64", 1n)]);

// ./test/core/return_call_ref.wast:186
assert_return(() => invoke($0, `fac-acc`, [1n, 1n]), [value("i64", 1n)]);

// ./test/core/return_call_ref.wast:187
assert_return(() => invoke($0, `fac-acc`, [5n, 1n]), [value("i64", 120n)]);

// ./test/core/return_call_ref.wast:188
assert_return(() => invoke($0, `fac-acc`, [25n, 1n]), [value("i64", 7034535277573963776n)]);

// ./test/core/return_call_ref.wast:193
assert_return(() => invoke($0, `count`, [0n]), [value("i64", 0n)]);

// ./test/core/return_call_ref.wast:194
assert_return(() => invoke($0, `count`, [1000n]), [value("i64", 0n)]);

// ./test/core/return_call_ref.wast:195
assert_return(() => invoke($0, `count`, [1000000n]), [value("i64", 0n)]);

// ./test/core/return_call_ref.wast:197
assert_return(() => invoke($0, `even`, [0n]), [value("i64", 44n)]);

// ./test/core/return_call_ref.wast:198
assert_return(() => invoke($0, `even`, [1n]), [value("i64", 99n)]);

// ./test/core/return_call_ref.wast:199
assert_return(() => invoke($0, `even`, [100n]), [value("i64", 44n)]);

// ./test/core/return_call_ref.wast:200
assert_return(() => invoke($0, `even`, [77n]), [value("i64", 99n)]);

// ./test/core/return_call_ref.wast:201
assert_return(() => invoke($0, `even`, [1000000n]), [value("i64", 44n)]);

// ./test/core/return_call_ref.wast:202
assert_return(() => invoke($0, `even`, [1000001n]), [value("i64", 99n)]);

// ./test/core/return_call_ref.wast:203
assert_return(() => invoke($0, `odd`, [0n]), [value("i64", 99n)]);

// ./test/core/return_call_ref.wast:204
assert_return(() => invoke($0, `odd`, [1n]), [value("i64", 44n)]);

// ./test/core/return_call_ref.wast:205
assert_return(() => invoke($0, `odd`, [200n]), [value("i64", 99n)]);

// ./test/core/return_call_ref.wast:206
assert_return(() => invoke($0, `odd`, [77n]), [value("i64", 44n)]);

// ./test/core/return_call_ref.wast:207
assert_return(() => invoke($0, `odd`, [1000000n]), [value("i64", 99n)]);

// ./test/core/return_call_ref.wast:208
assert_return(() => invoke($0, `odd`, [999999n]), [value("i64", 44n)]);

// ./test/core/return_call_ref.wast:213
let $1 = instantiate(`(module
  (type $$t (func))
  (type $$t1 (func (result (ref $$t))))
  (type $$t2 (func (result (ref null $$t))))
  (type $$t3 (func (result (ref func))))
  (type $$t4 (func (result (ref null func))))
  (elem declare func $$f11 $$f22 $$f33 $$f44)
  (func $$f11 (result (ref $$t)) (return_call_ref $$t1 (ref.func $$f11)))
  (func $$f21 (result (ref null $$t)) (return_call_ref $$t1 (ref.func $$f11)))
  (func $$f22 (result (ref null $$t)) (return_call_ref $$t2 (ref.func $$f22)))
  (func $$f31 (result (ref func)) (return_call_ref $$t1 (ref.func $$f11)))
  (func $$f33 (result (ref func)) (return_call_ref $$t3 (ref.func $$f33)))
  (func $$f41 (result (ref null func)) (return_call_ref $$t1 (ref.func $$f11)))
  (func $$f42 (result (ref null func)) (return_call_ref $$t2 (ref.func $$f22)))
  (func $$f43 (result (ref null func)) (return_call_ref $$t3 (ref.func $$f33)))
  (func $$f44 (result (ref null func)) (return_call_ref $$t4 (ref.func $$f44)))
)`);

// ./test/core/return_call_ref.wast:231
assert_invalid(
  () => instantiate(`(module
    (type $$t (func))
    (type $$t2 (func (result (ref null $$t))))
    (elem declare func $$f22)
    (func $$f12 (result (ref $$t)) (return_call_ref $$t2 (ref.func $$f22)))
    (func $$f22 (result (ref null $$t)) (return_call_ref $$t2 (ref.func $$f22)))
  )`),
  `type mismatch`,
);

// ./test/core/return_call_ref.wast:242
assert_invalid(
  () => instantiate(`(module
    (type $$t (func))
    (type $$t3 (func (result (ref func))))
    (elem declare func $$f33)
    (func $$f13 (result (ref $$t)) (return_call_ref $$t3 (ref.func $$f33)))
    (func $$f33 (result (ref func)) (return_call_ref $$t3 (ref.func $$f33)))
  )`),
  `type mismatch`,
);

// ./test/core/return_call_ref.wast:253
assert_invalid(
  () => instantiate(`(module
    (type $$t (func))
    (type $$t4 (func (result (ref null func))))
    (elem declare func $$f44)
    (func $$f14 (result (ref $$t)) (return_call_ref $$t4 (ref.func $$f44)))
    (func $$f44 (result (ref null func)) (return_call_ref $$t4 (ref.func $$f44)))
  )`),
  `type mismatch`,
);

// ./test/core/return_call_ref.wast:264
assert_invalid(
  () => instantiate(`(module
    (type $$t (func))
    (type $$t3 (func (result (ref func))))
    (elem declare func $$f33)
    (func $$f23 (result (ref null $$t)) (return_call_ref $$t3 (ref.func $$f33)))
    (func $$f33 (result (ref func)) (return_call_ref $$t3 (ref.func $$f33)))
  )`),
  `type mismatch`,
);

// ./test/core/return_call_ref.wast:275
assert_invalid(
  () => instantiate(`(module
    (type $$t (func))
    (type $$t4 (func (result (ref null func))))
    (elem declare func $$f44)
    (func $$f24 (result (ref null $$t)) (return_call_ref $$t4 (ref.func $$f44)))
    (func $$f44 (result (ref null func)) (return_call_ref $$t4 (ref.func $$f44)))
  )`),
  `type mismatch`,
);

// ./test/core/return_call_ref.wast:286
assert_invalid(
  () => instantiate(`(module
    (type $$t4 (func (result (ref null func))))
    (elem declare func $$f44)
    (func $$f34 (result (ref func)) (return_call_ref $$t4 (ref.func $$f44)))
    (func $$f44 (result (ref null func)) (return_call_ref $$t4 (ref.func $$f44)))
  )`),
  `type mismatch`,
);

// ./test/core/return_call_ref.wast:299
let $2 = instantiate(`(module
  (type $$t (func (result i32)))
  (func (export "unreachable") (result i32)
    (unreachable)
    (return_call_ref $$t)
  )
)`);

// ./test/core/return_call_ref.wast:306
assert_trap(() => invoke($2, `unreachable`, []), `unreachable`);

// ./test/core/return_call_ref.wast:308
let $3 = instantiate(`(module
  (elem declare func $$f)
  (type $$t (func (param i32) (result i32)))
  (func $$f (param i32) (result i32) (local.get 0))

  (func (export "unreachable") (result i32)
    (unreachable)
    (ref.func $$f)
    (return_call_ref $$t)
  )
)`);

// ./test/core/return_call_ref.wast:319
assert_trap(() => invoke($3, `unreachable`, []), `unreachable`);

// ./test/core/return_call_ref.wast:321
let $4 = instantiate(`(module
  (elem declare func $$f)
  (type $$t (func (param i32) (result i32)))
  (func $$f (param i32) (result i32) (local.get 0))

  (func (export "unreachable") (result i32)
    (unreachable)
    (i32.const 0)
    (ref.func $$f)
    (return_call_ref $$t)
    (i32.const 0)
  )
)`);

// ./test/core/return_call_ref.wast:334
assert_trap(() => invoke($4, `unreachable`, []), `unreachable`);

// ./test/core/return_call_ref.wast:336
assert_invalid(
  () => instantiate(`(module
    (elem declare func $$f)
    (type $$t (func (param i32) (result i32)))
    (func $$f (param i32) (result i32) (local.get 0))

    (func (export "unreachable") (result i32)
      (unreachable)
      (i64.const 0)
      (ref.func $$f)
      (return_call_ref $$t)
    )
  )`),
  `type mismatch`,
);

// ./test/core/return_call_ref.wast:352
assert_invalid(
  () => instantiate(`(module
    (elem declare func $$f)
    (type $$t (func (param i32) (result i32)))
    (func $$f (param i32) (result i32) (local.get 0))

    (func (export "unreachable") (result i32)
      (unreachable)
      (ref.func $$f)
      (return_call_ref $$t)
      (i64.const 0)
    )
  )`),
  `type mismatch`,
);

// ./test/core/return_call_ref.wast:368
assert_invalid(
  () => instantiate(`(module
    (type $$t (func))
    (func $$f (param $$r externref)
      (return_call_ref $$t (local.get $$r))
    )
  )`),
  `type mismatch`,
);