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diff --git a/js/src/jit-test/tests/wasm/spec/function-references/br_if.wast.js b/js/src/jit-test/tests/wasm/spec/function-references/br_if.wast.js
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+++ b/js/src/jit-test/tests/wasm/spec/function-references/br_if.wast.js
@@ -0,0 +1,886 @@
+/* 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/br_if.wast
+
+// ./test/core/br_if.wast:3
+let $0 = instantiate(`(module
+ (func $$dummy)
+
+ (func (export "type-i32")
+ (block (drop (i32.ctz (br_if 0 (i32.const 0) (i32.const 1)))))
+ )
+ (func (export "type-i64")
+ (block (drop (i64.ctz (br_if 0 (i64.const 0) (i32.const 1)))))
+ )
+ (func (export "type-f32")
+ (block (drop (f32.neg (br_if 0 (f32.const 0) (i32.const 1)))))
+ )
+ (func (export "type-f64")
+ (block (drop (f64.neg (br_if 0 (f64.const 0) (i32.const 1)))))
+ )
+
+ (func (export "type-i32-value") (result i32)
+ (block (result i32) (i32.ctz (br_if 0 (i32.const 1) (i32.const 1))))
+ )
+ (func (export "type-i64-value") (result i64)
+ (block (result i64) (i64.ctz (br_if 0 (i64.const 2) (i32.const 1))))
+ )
+ (func (export "type-f32-value") (result f32)
+ (block (result f32) (f32.neg (br_if 0 (f32.const 3) (i32.const 1))))
+ )
+ (func (export "type-f64-value") (result f64)
+ (block (result f64) (f64.neg (br_if 0 (f64.const 4) (i32.const 1))))
+ )
+
+ (func (export "as-block-first") (param i32) (result i32)
+ (block (br_if 0 (local.get 0)) (return (i32.const 2))) (i32.const 3)
+ )
+ (func (export "as-block-mid") (param i32) (result i32)
+ (block (call $$dummy) (br_if 0 (local.get 0)) (return (i32.const 2)))
+ (i32.const 3)
+ )
+ (func (export "as-block-last") (param i32)
+ (block (call $$dummy) (call $$dummy) (br_if 0 (local.get 0)))
+ )
+ (func (export "as-block-first-value") (param i32) (result i32)
+ (block (result i32)
+ (drop (br_if 0 (i32.const 10) (local.get 0))) (return (i32.const 11))
+ )
+ )
+ (func (export "as-block-mid-value") (param i32) (result i32)
+ (block (result i32)
+ (call $$dummy)
+ (drop (br_if 0 (i32.const 20) (local.get 0)))
+ (return (i32.const 21))
+ )
+ )
+ (func (export "as-block-last-value") (param i32) (result i32)
+ (block (result i32)
+ (call $$dummy) (call $$dummy) (br_if 0 (i32.const 11) (local.get 0))
+ )
+ )
+
+ (func (export "as-loop-first") (param i32) (result i32)
+ (block (loop (br_if 1 (local.get 0)) (return (i32.const 2)))) (i32.const 3)
+ )
+ (func (export "as-loop-mid") (param i32) (result i32)
+ (block (loop (call $$dummy) (br_if 1 (local.get 0)) (return (i32.const 2))))
+ (i32.const 4)
+ )
+ (func (export "as-loop-last") (param i32)
+ (loop (call $$dummy) (br_if 1 (local.get 0)))
+ )
+
+ (func (export "as-br-value") (result i32)
+ (block (result i32) (br 0 (br_if 0 (i32.const 1) (i32.const 2))))
+ )
+
+ (func (export "as-br_if-cond")
+ (block (br_if 0 (br_if 0 (i32.const 1) (i32.const 1))))
+ )
+ (func (export "as-br_if-value") (result i32)
+ (block (result i32)
+ (drop (br_if 0 (br_if 0 (i32.const 1) (i32.const 2)) (i32.const 3)))
+ (i32.const 4)
+ )
+ )
+ (func (export "as-br_if-value-cond") (param i32) (result i32)
+ (block (result i32)
+ (drop (br_if 0 (i32.const 2) (br_if 0 (i32.const 1) (local.get 0))))
+ (i32.const 4)
+ )
+ )
+
+ (func (export "as-br_table-index")
+ (block (br_table 0 0 0 (br_if 0 (i32.const 1) (i32.const 2))))
+ )
+ (func (export "as-br_table-value") (result i32)
+ (block (result i32)
+ (br_table 0 0 0 (br_if 0 (i32.const 1) (i32.const 2)) (i32.const 3)) (i32.const 4)
+ )
+ )
+ (func (export "as-br_table-value-index") (result i32)
+ (block (result i32)
+ (br_table 0 0 (i32.const 2) (br_if 0 (i32.const 1) (i32.const 3))) (i32.const 4)
+ )
+ )
+ (func (export "as-return-value") (result i64)
+ (block (result i64) (return (br_if 0 (i64.const 1) (i32.const 2))))
+ )
+
+ (func (export "as-if-cond") (param i32) (result i32)
+ (block (result i32)
+ (if (result i32)
+ (br_if 0 (i32.const 1) (local.get 0))
+ (then (i32.const 2))
+ (else (i32.const 3))
+ )
+ )
+ )
+ (func (export "as-if-then") (param i32 i32)
+ (block
+ (if (local.get 0) (then (br_if 1 (local.get 1))) (else (call $$dummy)))
+ )
+ )
+ (func (export "as-if-else") (param i32 i32)
+ (block
+ (if (local.get 0) (then (call $$dummy)) (else (br_if 1 (local.get 1))))
+ )
+ )
+
+ (func (export "as-select-first") (param i32) (result i32)
+ (block (result i32)
+ (select (br_if 0 (i32.const 3) (i32.const 10)) (i32.const 2) (local.get 0))
+ )
+ )
+ (func (export "as-select-second") (param i32) (result i32)
+ (block (result i32)
+ (select (i32.const 1) (br_if 0 (i32.const 3) (i32.const 10)) (local.get 0))
+ )
+ )
+ (func (export "as-select-cond") (result i32)
+ (block (result i32)
+ (select (i32.const 1) (i32.const 2) (br_if 0 (i32.const 3) (i32.const 10)))
+ )
+ )
+
+ (func $$f (param i32 i32 i32) (result i32) (i32.const -1))
+ (func (export "as-call-first") (result i32)
+ (block (result i32)
+ (call $$f
+ (br_if 0 (i32.const 12) (i32.const 1)) (i32.const 2) (i32.const 3)
+ )
+ )
+ )
+ (func (export "as-call-mid") (result i32)
+ (block (result i32)
+ (call $$f
+ (i32.const 1) (br_if 0 (i32.const 13) (i32.const 1)) (i32.const 3)
+ )
+ )
+ )
+ (func (export "as-call-last") (result i32)
+ (block (result i32)
+ (call $$f
+ (i32.const 1) (i32.const 2) (br_if 0 (i32.const 14) (i32.const 1))
+ )
+ )
+ )
+
+ (func $$func (param i32 i32 i32) (result i32) (local.get 0))
+ (type $$check (func (param i32 i32 i32) (result i32)))
+ (table funcref (elem $$func))
+ (func (export "as-call_indirect-func") (result i32)
+ (block (result i32)
+ (call_indirect (type $$check)
+ (br_if 0 (i32.const 4) (i32.const 10))
+ (i32.const 1) (i32.const 2) (i32.const 0)
+ )
+ )
+ )
+
+ (func (export "as-call_indirect-first") (result i32)
+ (block (result i32)
+ (call_indirect (type $$check)
+ (i32.const 1) (br_if 0 (i32.const 4) (i32.const 10)) (i32.const 2) (i32.const 0)
+ )
+ )
+ )
+ (func (export "as-call_indirect-mid") (result i32)
+ (block (result i32)
+ (call_indirect (type $$check)
+ (i32.const 1) (i32.const 2) (br_if 0 (i32.const 4) (i32.const 10)) (i32.const 0)
+ )
+ )
+ )
+ (func (export "as-call_indirect-last") (result i32)
+ (block (result i32)
+ (call_indirect (type $$check)
+ (i32.const 1) (i32.const 2) (i32.const 3) (br_if 0 (i32.const 4) (i32.const 10))
+ )
+ )
+ )
+
+ (func (export "as-local.set-value") (param i32) (result i32)
+ (local i32)
+ (block (result i32)
+ (local.set 0 (br_if 0 (i32.const 17) (local.get 0)))
+ (i32.const -1)
+ )
+ )
+ (func (export "as-local.tee-value") (param i32) (result i32)
+ (block (result i32)
+ (local.tee 0 (br_if 0 (i32.const 1) (local.get 0)))
+ (return (i32.const -1))
+ )
+ )
+ (global $$a (mut i32) (i32.const 10))
+ (func (export "as-global.set-value") (param i32) (result i32)
+ (block (result i32)
+ (global.set $$a (br_if 0 (i32.const 1) (local.get 0)))
+ (return (i32.const -1))
+ )
+ )
+
+ (memory 1)
+ (func (export "as-load-address") (result i32)
+ (block (result i32) (i32.load (br_if 0 (i32.const 1) (i32.const 1))))
+ )
+ (func (export "as-loadN-address") (result i32)
+ (block (result i32) (i32.load8_s (br_if 0 (i32.const 30) (i32.const 1))))
+ )
+
+ (func (export "as-store-address") (result i32)
+ (block (result i32)
+ (i32.store (br_if 0 (i32.const 30) (i32.const 1)) (i32.const 7)) (i32.const -1)
+ )
+ )
+ (func (export "as-store-value") (result i32)
+ (block (result i32)
+ (i32.store (i32.const 2) (br_if 0 (i32.const 31) (i32.const 1))) (i32.const -1)
+ )
+ )
+
+ (func (export "as-storeN-address") (result i32)
+ (block (result i32)
+ (i32.store8 (br_if 0 (i32.const 32) (i32.const 1)) (i32.const 7)) (i32.const -1)
+ )
+ )
+ (func (export "as-storeN-value") (result i32)
+ (block (result i32)
+ (i32.store16 (i32.const 2) (br_if 0 (i32.const 33) (i32.const 1))) (i32.const -1)
+ )
+ )
+
+ (func (export "as-unary-operand") (result f64)
+ (block (result f64) (f64.neg (br_if 0 (f64.const 1.0) (i32.const 1))))
+ )
+ (func (export "as-binary-left") (result i32)
+ (block (result i32) (i32.add (br_if 0 (i32.const 1) (i32.const 1)) (i32.const 10)))
+ )
+ (func (export "as-binary-right") (result i32)
+ (block (result i32) (i32.sub (i32.const 10) (br_if 0 (i32.const 1) (i32.const 1))))
+ )
+ (func (export "as-test-operand") (result i32)
+ (block (result i32) (i32.eqz (br_if 0 (i32.const 0) (i32.const 1))))
+ )
+ (func (export "as-compare-left") (result i32)
+ (block (result i32) (i32.le_u (br_if 0 (i32.const 1) (i32.const 1)) (i32.const 10)))
+ )
+ (func (export "as-compare-right") (result i32)
+ (block (result i32) (i32.ne (i32.const 10) (br_if 0 (i32.const 1) (i32.const 42))))
+ )
+
+ (func (export "as-memory.grow-size") (result i32)
+ (block (result i32) (memory.grow (br_if 0 (i32.const 1) (i32.const 1))))
+ )
+
+ (func (export "nested-block-value") (param i32) (result i32)
+ (i32.add
+ (i32.const 1)
+ (block (result i32)
+ (drop (i32.const 2))
+ (i32.add
+ (i32.const 4)
+ (block (result i32)
+ (drop (br_if 1 (i32.const 8) (local.get 0)))
+ (i32.const 16)
+ )
+ )
+ )
+ )
+ )
+
+ (func (export "nested-br-value") (param i32) (result i32)
+ (i32.add
+ (i32.const 1)
+ (block (result i32)
+ (drop (i32.const 2))
+ (br 0
+ (block (result i32)
+ (drop (br_if 1 (i32.const 8) (local.get 0))) (i32.const 4)
+ )
+ )
+ (i32.const 16)
+ )
+ )
+ )
+
+ (func (export "nested-br_if-value") (param i32) (result i32)
+ (i32.add
+ (i32.const 1)
+ (block (result i32)
+ (drop (i32.const 2))
+ (drop (br_if 0
+ (block (result i32)
+ (drop (br_if 1 (i32.const 8) (local.get 0))) (i32.const 4)
+ )
+ (i32.const 1)
+ ))
+ (i32.const 16)
+ )
+ )
+ )
+
+ (func (export "nested-br_if-value-cond") (param i32) (result i32)
+ (i32.add
+ (i32.const 1)
+ (block (result i32)
+ (drop (i32.const 2))
+ (drop (br_if 0
+ (i32.const 4)
+ (block (result i32)
+ (drop (br_if 1 (i32.const 8) (local.get 0))) (i32.const 1)
+ )
+ ))
+ (i32.const 16)
+ )
+ )
+ )
+
+ (func (export "nested-br_table-value") (param i32) (result i32)
+ (i32.add
+ (i32.const 1)
+ (block (result i32)
+ (drop (i32.const 2))
+ (br_table 0
+ (block (result i32)
+ (drop (br_if 1 (i32.const 8) (local.get 0))) (i32.const 4)
+ )
+ (i32.const 1)
+ )
+ (i32.const 16)
+ )
+ )
+ )
+
+ (func (export "nested-br_table-value-index") (param i32) (result i32)
+ (i32.add
+ (i32.const 1)
+ (block (result i32)
+ (drop (i32.const 2))
+ (br_table 0
+ (i32.const 4)
+ (block (result i32)
+ (drop (br_if 1 (i32.const 8) (local.get 0))) (i32.const 1)
+ )
+ )
+ (i32.const 16)
+ )
+ )
+ )
+
+)`);
+
+// ./test/core/br_if.wast:372
+assert_return(() => invoke($0, `type-i32`, []), []);
+
+// ./test/core/br_if.wast:373
+assert_return(() => invoke($0, `type-i64`, []), []);
+
+// ./test/core/br_if.wast:374
+assert_return(() => invoke($0, `type-f32`, []), []);
+
+// ./test/core/br_if.wast:375
+assert_return(() => invoke($0, `type-f64`, []), []);
+
+// ./test/core/br_if.wast:377
+assert_return(() => invoke($0, `type-i32-value`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:378
+assert_return(() => invoke($0, `type-i64-value`, []), [value("i64", 2n)]);
+
+// ./test/core/br_if.wast:379
+assert_return(() => invoke($0, `type-f32-value`, []), [value("f32", 3)]);
+
+// ./test/core/br_if.wast:380
+assert_return(() => invoke($0, `type-f64-value`, []), [value("f64", 4)]);
+
+// ./test/core/br_if.wast:382
+assert_return(() => invoke($0, `as-block-first`, [0]), [value("i32", 2)]);
+
+// ./test/core/br_if.wast:383
+assert_return(() => invoke($0, `as-block-first`, [1]), [value("i32", 3)]);
+
+// ./test/core/br_if.wast:384
+assert_return(() => invoke($0, `as-block-mid`, [0]), [value("i32", 2)]);
+
+// ./test/core/br_if.wast:385
+assert_return(() => invoke($0, `as-block-mid`, [1]), [value("i32", 3)]);
+
+// ./test/core/br_if.wast:386
+assert_return(() => invoke($0, `as-block-last`, [0]), []);
+
+// ./test/core/br_if.wast:387
+assert_return(() => invoke($0, `as-block-last`, [1]), []);
+
+// ./test/core/br_if.wast:389
+assert_return(() => invoke($0, `as-block-first-value`, [0]), [value("i32", 11)]);
+
+// ./test/core/br_if.wast:390
+assert_return(() => invoke($0, `as-block-first-value`, [1]), [value("i32", 10)]);
+
+// ./test/core/br_if.wast:391
+assert_return(() => invoke($0, `as-block-mid-value`, [0]), [value("i32", 21)]);
+
+// ./test/core/br_if.wast:392
+assert_return(() => invoke($0, `as-block-mid-value`, [1]), [value("i32", 20)]);
+
+// ./test/core/br_if.wast:393
+assert_return(() => invoke($0, `as-block-last-value`, [0]), [value("i32", 11)]);
+
+// ./test/core/br_if.wast:394
+assert_return(() => invoke($0, `as-block-last-value`, [1]), [value("i32", 11)]);
+
+// ./test/core/br_if.wast:396
+assert_return(() => invoke($0, `as-loop-first`, [0]), [value("i32", 2)]);
+
+// ./test/core/br_if.wast:397
+assert_return(() => invoke($0, `as-loop-first`, [1]), [value("i32", 3)]);
+
+// ./test/core/br_if.wast:398
+assert_return(() => invoke($0, `as-loop-mid`, [0]), [value("i32", 2)]);
+
+// ./test/core/br_if.wast:399
+assert_return(() => invoke($0, `as-loop-mid`, [1]), [value("i32", 4)]);
+
+// ./test/core/br_if.wast:400
+assert_return(() => invoke($0, `as-loop-last`, [0]), []);
+
+// ./test/core/br_if.wast:401
+assert_return(() => invoke($0, `as-loop-last`, [1]), []);
+
+// ./test/core/br_if.wast:403
+assert_return(() => invoke($0, `as-br-value`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:405
+assert_return(() => invoke($0, `as-br_if-cond`, []), []);
+
+// ./test/core/br_if.wast:406
+assert_return(() => invoke($0, `as-br_if-value`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:407
+assert_return(() => invoke($0, `as-br_if-value-cond`, [0]), [value("i32", 2)]);
+
+// ./test/core/br_if.wast:408
+assert_return(() => invoke($0, `as-br_if-value-cond`, [1]), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:410
+assert_return(() => invoke($0, `as-br_table-index`, []), []);
+
+// ./test/core/br_if.wast:411
+assert_return(() => invoke($0, `as-br_table-value`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:412
+assert_return(() => invoke($0, `as-br_table-value-index`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:414
+assert_return(() => invoke($0, `as-return-value`, []), [value("i64", 1n)]);
+
+// ./test/core/br_if.wast:416
+assert_return(() => invoke($0, `as-if-cond`, [0]), [value("i32", 2)]);
+
+// ./test/core/br_if.wast:417
+assert_return(() => invoke($0, `as-if-cond`, [1]), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:418
+assert_return(() => invoke($0, `as-if-then`, [0, 0]), []);
+
+// ./test/core/br_if.wast:419
+assert_return(() => invoke($0, `as-if-then`, [4, 0]), []);
+
+// ./test/core/br_if.wast:420
+assert_return(() => invoke($0, `as-if-then`, [0, 1]), []);
+
+// ./test/core/br_if.wast:421
+assert_return(() => invoke($0, `as-if-then`, [4, 1]), []);
+
+// ./test/core/br_if.wast:422
+assert_return(() => invoke($0, `as-if-else`, [0, 0]), []);
+
+// ./test/core/br_if.wast:423
+assert_return(() => invoke($0, `as-if-else`, [3, 0]), []);
+
+// ./test/core/br_if.wast:424
+assert_return(() => invoke($0, `as-if-else`, [0, 1]), []);
+
+// ./test/core/br_if.wast:425
+assert_return(() => invoke($0, `as-if-else`, [3, 1]), []);
+
+// ./test/core/br_if.wast:427
+assert_return(() => invoke($0, `as-select-first`, [0]), [value("i32", 3)]);
+
+// ./test/core/br_if.wast:428
+assert_return(() => invoke($0, `as-select-first`, [1]), [value("i32", 3)]);
+
+// ./test/core/br_if.wast:429
+assert_return(() => invoke($0, `as-select-second`, [0]), [value("i32", 3)]);
+
+// ./test/core/br_if.wast:430
+assert_return(() => invoke($0, `as-select-second`, [1]), [value("i32", 3)]);
+
+// ./test/core/br_if.wast:431
+assert_return(() => invoke($0, `as-select-cond`, []), [value("i32", 3)]);
+
+// ./test/core/br_if.wast:433
+assert_return(() => invoke($0, `as-call-first`, []), [value("i32", 12)]);
+
+// ./test/core/br_if.wast:434
+assert_return(() => invoke($0, `as-call-mid`, []), [value("i32", 13)]);
+
+// ./test/core/br_if.wast:435
+assert_return(() => invoke($0, `as-call-last`, []), [value("i32", 14)]);
+
+// ./test/core/br_if.wast:437
+assert_return(() => invoke($0, `as-call_indirect-func`, []), [value("i32", 4)]);
+
+// ./test/core/br_if.wast:438
+assert_return(() => invoke($0, `as-call_indirect-first`, []), [value("i32", 4)]);
+
+// ./test/core/br_if.wast:439
+assert_return(() => invoke($0, `as-call_indirect-mid`, []), [value("i32", 4)]);
+
+// ./test/core/br_if.wast:440
+assert_return(() => invoke($0, `as-call_indirect-last`, []), [value("i32", 4)]);
+
+// ./test/core/br_if.wast:442
+assert_return(() => invoke($0, `as-local.set-value`, [0]), [value("i32", -1)]);
+
+// ./test/core/br_if.wast:443
+assert_return(() => invoke($0, `as-local.set-value`, [1]), [value("i32", 17)]);
+
+// ./test/core/br_if.wast:445
+assert_return(() => invoke($0, `as-local.tee-value`, [0]), [value("i32", -1)]);
+
+// ./test/core/br_if.wast:446
+assert_return(() => invoke($0, `as-local.tee-value`, [1]), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:448
+assert_return(() => invoke($0, `as-global.set-value`, [0]), [value("i32", -1)]);
+
+// ./test/core/br_if.wast:449
+assert_return(() => invoke($0, `as-global.set-value`, [1]), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:451
+assert_return(() => invoke($0, `as-load-address`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:452
+assert_return(() => invoke($0, `as-loadN-address`, []), [value("i32", 30)]);
+
+// ./test/core/br_if.wast:454
+assert_return(() => invoke($0, `as-store-address`, []), [value("i32", 30)]);
+
+// ./test/core/br_if.wast:455
+assert_return(() => invoke($0, `as-store-value`, []), [value("i32", 31)]);
+
+// ./test/core/br_if.wast:456
+assert_return(() => invoke($0, `as-storeN-address`, []), [value("i32", 32)]);
+
+// ./test/core/br_if.wast:457
+assert_return(() => invoke($0, `as-storeN-value`, []), [value("i32", 33)]);
+
+// ./test/core/br_if.wast:459
+assert_return(() => invoke($0, `as-unary-operand`, []), [value("f64", 1)]);
+
+// ./test/core/br_if.wast:460
+assert_return(() => invoke($0, `as-binary-left`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:461
+assert_return(() => invoke($0, `as-binary-right`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:462
+assert_return(() => invoke($0, `as-test-operand`, []), [value("i32", 0)]);
+
+// ./test/core/br_if.wast:463
+assert_return(() => invoke($0, `as-compare-left`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:464
+assert_return(() => invoke($0, `as-compare-right`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:465
+assert_return(() => invoke($0, `as-memory.grow-size`, []), [value("i32", 1)]);
+
+// ./test/core/br_if.wast:467
+assert_return(() => invoke($0, `nested-block-value`, [0]), [value("i32", 21)]);
+
+// ./test/core/br_if.wast:468
+assert_return(() => invoke($0, `nested-block-value`, [1]), [value("i32", 9)]);
+
+// ./test/core/br_if.wast:469
+assert_return(() => invoke($0, `nested-br-value`, [0]), [value("i32", 5)]);
+
+// ./test/core/br_if.wast:470
+assert_return(() => invoke($0, `nested-br-value`, [1]), [value("i32", 9)]);
+
+// ./test/core/br_if.wast:471
+assert_return(() => invoke($0, `nested-br_if-value`, [0]), [value("i32", 5)]);
+
+// ./test/core/br_if.wast:472
+assert_return(() => invoke($0, `nested-br_if-value`, [1]), [value("i32", 9)]);
+
+// ./test/core/br_if.wast:473
+assert_return(() => invoke($0, `nested-br_if-value-cond`, [0]), [value("i32", 5)]);
+
+// ./test/core/br_if.wast:474
+assert_return(() => invoke($0, `nested-br_if-value-cond`, [1]), [value("i32", 9)]);
+
+// ./test/core/br_if.wast:475
+assert_return(() => invoke($0, `nested-br_table-value`, [0]), [value("i32", 5)]);
+
+// ./test/core/br_if.wast:476
+assert_return(() => invoke($0, `nested-br_table-value`, [1]), [value("i32", 9)]);
+
+// ./test/core/br_if.wast:477
+assert_return(() => invoke($0, `nested-br_table-value-index`, [0]), [value("i32", 5)]);
+
+// ./test/core/br_if.wast:478
+assert_return(() => invoke($0, `nested-br_table-value-index`, [1]), [value("i32", 9)]);
+
+// ./test/core/br_if.wast:480
+assert_invalid(
+ () => instantiate(`(module (func $$type-false-i32 (block (i32.ctz (br_if 0 (i32.const 0))))))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:484
+assert_invalid(
+ () => instantiate(`(module (func $$type-false-i64 (block (i64.ctz (br_if 0 (i32.const 0))))))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:488
+assert_invalid(
+ () => instantiate(`(module (func $$type-false-f32 (block (f32.neg (br_if 0 (i32.const 0))))))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:492
+assert_invalid(
+ () => instantiate(`(module (func $$type-false-f64 (block (f64.neg (br_if 0 (i32.const 0))))))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:497
+assert_invalid(
+ () => instantiate(`(module (func $$type-true-i32 (block (i32.ctz (br_if 0 (i32.const 1))))))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:501
+assert_invalid(
+ () => instantiate(`(module (func $$type-true-i64 (block (i64.ctz (br_if 0 (i64.const 1))))))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:505
+assert_invalid(
+ () => instantiate(`(module (func $$type-true-f32 (block (f32.neg (br_if 0 (f32.const 1))))))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:509
+assert_invalid(
+ () => instantiate(`(module (func $$type-true-f64 (block (f64.neg (br_if 0 (i64.const 1))))))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:514
+assert_invalid(
+ () => instantiate(`(module (func $$type-false-arg-void-vs-num (result i32)
+ (block (result i32) (br_if 0 (i32.const 0)) (i32.const 1))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:520
+assert_invalid(
+ () => instantiate(`(module (func $$type-true-arg-void-vs-num (result i32)
+ (block (result i32) (br_if 0 (i32.const 1)) (i32.const 1))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:526
+assert_invalid(
+ () => instantiate(`(module (func $$type-false-arg-num-vs-void
+ (block (br_if 0 (i32.const 0) (i32.const 0)))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:532
+assert_invalid(
+ () => instantiate(`(module (func $$type-true-arg-num-vs-void
+ (block (br_if 0 (i32.const 0) (i32.const 1)))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:539
+assert_invalid(
+ () => instantiate(`(module (func $$type-false-arg-void-vs-num (result i32)
+ (block (result i32) (br_if 0 (nop) (i32.const 0)) (i32.const 1))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:545
+assert_invalid(
+ () => instantiate(`(module (func $$type-true-arg-void-vs-num (result i32)
+ (block (result i32) (br_if 0 (nop) (i32.const 1)) (i32.const 1))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:551
+assert_invalid(
+ () => instantiate(`(module (func $$type-false-arg-num-vs-num (result i32)
+ (block (result i32)
+ (drop (br_if 0 (i64.const 1) (i32.const 0))) (i32.const 1)
+ )
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:559
+assert_invalid(
+ () => instantiate(`(module (func $$type-true-arg-num-vs-num (result i32)
+ (block (result i32)
+ (drop (br_if 0 (i64.const 1) (i32.const 0))) (i32.const 1)
+ )
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:568
+assert_invalid(
+ () => instantiate(`(module (func $$type-cond-empty-vs-i32
+ (block (br_if 0))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:574
+assert_invalid(
+ () => instantiate(`(module (func $$type-cond-void-vs-i32
+ (block (br_if 0 (nop)))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:580
+assert_invalid(
+ () => instantiate(`(module (func $$type-cond-num-vs-i32
+ (block (br_if 0 (i64.const 0)))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:586
+assert_invalid(
+ () => instantiate(`(module (func $$type-arg-cond-void-vs-i32 (result i32)
+ (block (result i32) (br_if 0 (i32.const 0) (nop)) (i32.const 1))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:592
+assert_invalid(
+ () => instantiate(`(module (func $$type-arg-void-vs-num-nested (result i32)
+ (block (result i32) (i32.const 0) (block (br_if 1 (i32.const 1))))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:598
+assert_invalid(
+ () => instantiate(`(module (func $$type-arg-cond-num-vs-i32 (result i32)
+ (block (result i32) (br_if 0 (i32.const 0) (i64.const 0)) (i32.const 1))
+ ))`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:605
+assert_invalid(
+ () => instantiate(`(module
+ (func $$type-1st-cond-empty-in-then
+ (block
+ (i32.const 0) (i32.const 0)
+ (if (result i32) (then (br_if 0)))
+ )
+ (i32.eqz) (drop)
+ )
+ )`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:617
+assert_invalid(
+ () => instantiate(`(module
+ (func $$type-2nd-cond-empty-in-then
+ (block
+ (i32.const 0) (i32.const 0)
+ (if (result i32) (then (br_if 0 (i32.const 1))))
+ )
+ (i32.eqz) (drop)
+ )
+ )`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:629
+assert_invalid(
+ () => instantiate(`(module
+ (func $$type-1st-cond-empty-in-return
+ (block (result i32)
+ (return (br_if 0))
+ )
+ (i32.eqz) (drop)
+ )
+ )`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:640
+assert_invalid(
+ () => instantiate(`(module
+ (func $$type-2nd-cond-empty-in-return
+ (block (result i32)
+ (return (br_if 0 (i32.const 1)))
+ )
+ (i32.eqz) (drop)
+ )
+ )`),
+ `type mismatch`,
+);
+
+// ./test/core/br_if.wast:653
+assert_invalid(
+ () => instantiate(`(module (func $$unbound-label (br_if 1 (i32.const 1))))`),
+ `unknown label`,
+);
+
+// ./test/core/br_if.wast:657
+assert_invalid(
+ () => instantiate(`(module (func $$unbound-nested-label (block (block (br_if 5 (i32.const 1))))))`),
+ `unknown label`,
+);
+
+// ./test/core/br_if.wast:661
+assert_invalid(
+ () => instantiate(`(module (func $$large-label (br_if 0x10000001 (i32.const 1))))`),
+ `unknown label`,
+);