text: // We always need asserts here
  #ifdef NDEBUG
  #undef NDEBUG
  #endif
  
  #include <assert.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include <binaryen-c.h>
  
  // kitchen sink, tests the full API
  
  
  // helpers
  
  static const uint8_t v128_bytes[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
  
  BinaryenExpressionRef makeUnary(BinaryenModuleRef module, BinaryenOp op, BinaryenType inputType) {
    if (inputType == BinaryenTypeInt32()) return BinaryenUnary(module, op, BinaryenConst(module, BinaryenLiteralInt32(-10)));
    if (inputType == BinaryenTypeInt64()) return BinaryenUnary(module, op, BinaryenConst(module, BinaryenLiteralInt64(-22)));
    if (inputType == BinaryenTypeFloat32()) return BinaryenUnary(module, op, BinaryenConst(module, BinaryenLiteralFloat32(-33.612f)));
    if (inputType == BinaryenTypeFloat64()) return BinaryenUnary(module, op, BinaryenConst(module, BinaryenLiteralFloat64(-9005.841)));
    if (inputType == BinaryenTypeVec128()) return BinaryenUnary(module, op, BinaryenConst(module, BinaryenLiteralVec128(v128_bytes)));
    abort();
  }
  
  BinaryenExpressionRef makeBinary(BinaryenModuleRef module, BinaryenOp op, BinaryenType type) {
    if (type == BinaryenTypeInt32()) {
      // use temp vars to ensure optimization doesn't change the order of operation in our trace recording
      BinaryenExpressionRef temp = BinaryenConst(module, BinaryenLiteralInt32(-11));
      return BinaryenBinary(module, op, BinaryenConst(module, BinaryenLiteralInt32(-10)), temp);
    }
    if (type == BinaryenTypeInt64()) {
      BinaryenExpressionRef temp = BinaryenConst(module, BinaryenLiteralInt64(-23));
      return BinaryenBinary(module, op, BinaryenConst(module, BinaryenLiteralInt64(-22)), temp);
    }
    if (type == BinaryenTypeFloat32()) {
      BinaryenExpressionRef temp = BinaryenConst(module, BinaryenLiteralFloat32(-62.5f));
      return BinaryenBinary(module, op, BinaryenConst(module, BinaryenLiteralFloat32(-33.612f)), temp);
    }
    if (type == BinaryenTypeFloat64()) {
      BinaryenExpressionRef temp = BinaryenConst(module, BinaryenLiteralFloat64(-9007.333));
      return BinaryenBinary(module, op, BinaryenConst(module, BinaryenLiteralFloat64(-9005.841)), temp);
    }
    if (type == BinaryenTypeVec128()) {
      BinaryenExpressionRef temp = BinaryenConst(module, BinaryenLiteralVec128(v128_bytes));
      return BinaryenBinary(module, op, BinaryenConst(module, BinaryenLiteralVec128(v128_bytes)), temp);
    }
    abort();
  }
  
  BinaryenExpressionRef makeInt32(BinaryenModuleRef module, int x) {
    return BinaryenConst(module, BinaryenLiteralInt32(x));
  }
  
  BinaryenExpressionRef makeFloat32(BinaryenModuleRef module, float x) {
    return BinaryenConst(module, BinaryenLiteralFloat32(x));
  }
  
  BinaryenExpressionRef makeInt64(BinaryenModuleRef module, int64_t x) {
    return BinaryenConst(module, BinaryenLiteralInt64(x));
  }
  
  BinaryenExpressionRef makeFloat64(BinaryenModuleRef module, double x) {
    return BinaryenConst(module, BinaryenLiteralFloat64(x));
  }
  
  BinaryenExpressionRef makeVec128(BinaryenModuleRef module, uint8_t const *bytes) {
    return BinaryenConst(module, BinaryenLiteralVec128(bytes));
  }
  
  BinaryenExpressionRef makeSomething(BinaryenModuleRef module) {
    return makeInt32(module, 1337);
  }
  
  BinaryenExpressionRef makeDroppedInt32(BinaryenModuleRef module, int x) {
    return BinaryenDrop(module, BinaryenConst(module, BinaryenLiteralInt32(x)));
  }
  
  BinaryenExpressionRef makeSIMDExtract(BinaryenModuleRef module, BinaryenOp op) {
    return BinaryenSIMDExtract(module, op, makeVec128(module, v128_bytes), 0);
  }
  
  BinaryenExpressionRef makeSIMDReplace(BinaryenModuleRef module, BinaryenOp op, BinaryenType type) {
    BinaryenExpressionRef val;
    if (type == BinaryenTypeInt32()) {
      val = makeInt32(module, 42);
    }
    if (type == BinaryenTypeInt64()) {
      val = makeInt64(module, 42);
    }
    if (type == BinaryenTypeFloat32()) {
      val = makeFloat32(module, 42.);
    }
    if (type == BinaryenTypeFloat64()) {
      val = makeFloat64(module, 42.);
    }
    if (!val) {
      abort();
    }
    return BinaryenSIMDReplace(module, op, makeVec128(module, v128_bytes), 0, val);
  }
  
  BinaryenExpressionRef makeSIMDShuffle(BinaryenModuleRef module) {
    BinaryenExpressionRef left = makeVec128(module, v128_bytes);
    BinaryenExpressionRef right = makeVec128(module, v128_bytes);
    return BinaryenSIMDShuffle(module, left, right, (uint8_t[16]) {});
  }
  
  BinaryenExpressionRef makeSIMDTernary(BinaryenModuleRef module, BinaryenOp op) {
    BinaryenExpressionRef a = makeVec128(module, v128_bytes);
    BinaryenExpressionRef b = makeVec128(module, v128_bytes);
    BinaryenExpressionRef c = makeVec128(module, v128_bytes);
    return BinaryenSIMDTernary(module, op, a, b, c);
  }
  
  BinaryenExpressionRef makeSIMDShift(BinaryenModuleRef module, BinaryenOp op) {
    BinaryenExpressionRef vec = makeVec128(module, v128_bytes);
    return BinaryenSIMDShift(module, op, vec, makeInt32(module, 1));
  }
  
  BinaryenExpressionRef makeMemoryInit(BinaryenModuleRef module) {
    BinaryenExpressionRef dest = makeInt32(module, 1024);
    BinaryenExpressionRef offset = makeInt32(module, 0);
    BinaryenExpressionRef size = makeInt32(module, 12);
    return BinaryenMemoryInit(module, 0, dest, offset, size);
  };
  
  BinaryenExpressionRef makeDataDrop(BinaryenModuleRef module) {
    return BinaryenDataDrop(module, 0);
  };
  
  BinaryenExpressionRef makeMemoryCopy(BinaryenModuleRef module) {
    BinaryenExpressionRef dest = makeInt32(module, 2048);
    BinaryenExpressionRef source = makeInt32(module, 1024);
    BinaryenExpressionRef size = makeInt32(module, 12);
    return BinaryenMemoryCopy(module, dest, source, size);
  };
  
  BinaryenExpressionRef makeMemoryFill(BinaryenModuleRef module) {
    BinaryenExpressionRef dest = makeInt32(module, 0);
    BinaryenExpressionRef value = makeInt32(module, 42);
    BinaryenExpressionRef size = makeInt32(module, 1024);
    return BinaryenMemoryFill(module, dest, value, size);
  };
  
  // tests
  
  void test_types() {
    BinaryenType valueType = 0xdeadbeef;
  
    BinaryenType none = BinaryenTypeNone();
    printf("  // BinaryenTypeNone: %d\n", none);
    assert(BinaryenTypeArity(none) == 0);
    BinaryenTypeExpand(none, &valueType);
    assert(valueType == 0xdeadbeef);
  
    BinaryenType unreachable = BinaryenTypeUnreachable();
    printf("  // BinaryenTypeUnreachable: %d\n", unreachable);
    assert(BinaryenTypeArity(unreachable) == 1);
    BinaryenTypeExpand(unreachable, &valueType);
    assert(valueType == unreachable);
  
    BinaryenType i32 = BinaryenTypeInt32();
    printf("  // BinaryenTypeInt32: %d\n", i32);
    assert(BinaryenTypeArity(i32) == 1);
    BinaryenTypeExpand(i32, &valueType);
    assert(valueType == i32);
  
    BinaryenType i64 = BinaryenTypeInt64();
    printf("  // BinaryenTypeInt64: %d\n", i64);
    assert(BinaryenTypeArity(i64) == 1);
    BinaryenTypeExpand(i64, &valueType);
    assert(valueType == i64);
  
    BinaryenType f32 = BinaryenTypeFloat32();
    printf("  // BinaryenTypeFloat32: %d\n", f32);
    assert(BinaryenTypeArity(f32) == 1);
    BinaryenTypeExpand(f32, &valueType);
    assert(valueType == f32);
  
    BinaryenType f64 = BinaryenTypeFloat64();
    printf("  // BinaryenTypeFloat64: %d\n", f64);
    assert(BinaryenTypeArity(f64) == 1);
    BinaryenTypeExpand(f64, &valueType);
    assert(valueType == f64);
  
    BinaryenType v128 = BinaryenTypeVec128();
    printf("  // BinaryenTypeVec128: %d\n", v128);
    assert(BinaryenTypeArity(v128) == 1);
    BinaryenTypeExpand(v128, &valueType);
    assert(valueType == v128);
  
    BinaryenType funcref = BinaryenTypeFuncref();
    printf("  // BinaryenTypeFuncref: %d\n", funcref);
    assert(BinaryenTypeArity(funcref) == 1);
    BinaryenTypeExpand(funcref, &valueType);
    assert(valueType == funcref);
  
    BinaryenType externref = BinaryenTypeExternref();
    printf("  // BinaryenTypeExternref: %d\n", externref);
    assert(BinaryenTypeArity(externref) == 1);
    BinaryenTypeExpand(externref, &valueType);
    assert(valueType == externref);
  
    BinaryenType anyref = BinaryenTypeAnyref();
    printf("  // BinaryenTypeAnyref: %d\n", anyref);
    assert(BinaryenTypeArity(anyref) == 1);
    BinaryenTypeExpand(anyref, &valueType);
    assert(valueType == anyref);
  
    BinaryenType eqref = BinaryenTypeEqref();
    printf("  // BinaryenTypeEqref: %d\n", eqref);
    assert(BinaryenTypeArity(eqref) == 1);
    BinaryenTypeExpand(eqref, &valueType);
    assert(valueType == eqref);
  
    BinaryenType i31ref = BinaryenTypeI31ref();
    printf("  // BinaryenTypeI31ref: %d\n", i31ref);
    assert(BinaryenTypeArity(i31ref) == 1);
    BinaryenTypeExpand(i31ref, &valueType);
    assert(valueType == i31ref);
  
    BinaryenType dataref = BinaryenTypeDataref();
    printf("  // BinaryenTypeDataref: %d\n", dataref);
    assert(BinaryenTypeArity(dataref) == 1);
    BinaryenTypeExpand(dataref, &valueType);
    assert(valueType == dataref);
  
    printf("  // BinaryenTypeAuto: %d\n", BinaryenTypeAuto());
  
    BinaryenType pair[] = {i32, i32};
  
    BinaryenType i32_pair = BinaryenTypeCreate(pair, 2);
    assert(BinaryenTypeArity(i32_pair) == 2);
    pair[0] = pair[1] = none;
    BinaryenTypeExpand(i32_pair, pair);
    assert(pair[0] == i32 && pair[1] == i32);
  
    BinaryenType duplicate_pair = BinaryenTypeCreate(pair, 2);
    assert(duplicate_pair == i32_pair);
  
    pair[0] = pair[1] = f32;
    BinaryenType float_pair = BinaryenTypeCreate(pair, 2);
    assert(float_pair != i32_pair);
  }
  
  void test_features() {
    printf("BinaryenFeatureMVP: %d\n", BinaryenFeatureMVP());
    printf("BinaryenFeatureAtomics: %d\n", BinaryenFeatureAtomics());
    printf("BinaryenFeatureBulkMemory: %d\n", BinaryenFeatureBulkMemory());
    printf("BinaryenFeatureMutableGlobals: %d\n", BinaryenFeatureMutableGlobals());
    printf("BinaryenFeatureNontrappingFPToInt: %d\n", BinaryenFeatureNontrappingFPToInt());
    printf("BinaryenFeatureSignExt: %d\n", BinaryenFeatureSignExt());
    printf("BinaryenFeatureSIMD128: %d\n", BinaryenFeatureSIMD128());
    printf("BinaryenFeatureExceptionHandling: %d\n", BinaryenFeatureExceptionHandling());
    printf("BinaryenFeatureTailCall: %d\n", BinaryenFeatureTailCall());
    printf("BinaryenFeatureReferenceTypes: %d\n", BinaryenFeatureReferenceTypes());
    printf("BinaryenFeatureMultivalue: %d\n", BinaryenFeatureMultivalue());
    printf("BinaryenFeatureGC: %d\n", BinaryenFeatureGC());
    printf("BinaryenFeatureMemory64: %d\n", BinaryenFeatureMemory64());
    printf("BinaryenFeatureAll: %d\n", BinaryenFeatureAll());
  }
  
  void test_core() {
  
    // Module creation
  
    BinaryenModuleRef module = BinaryenModuleCreate();
  
    // Literals and consts
  
    BinaryenExpressionRef constI32 = BinaryenConst(module, BinaryenLiteralInt32(1)),
                          constI64 = BinaryenConst(module, BinaryenLiteralInt64(2)),
                          constF32 = BinaryenConst(module, BinaryenLiteralFloat32(3.14f)),
                          constF64 = BinaryenConst(module, BinaryenLiteralFloat64(2.1828)),
                          constF32Bits = BinaryenConst(module, BinaryenLiteralFloat32Bits(0xffff1234)),
                          constF64Bits = BinaryenConst(module, BinaryenLiteralFloat64Bits(0xffff12345678abcdLL)),
                          constV128 = BinaryenConst(module, BinaryenLiteralVec128(v128_bytes));
  
    const char* switchValueNames[] = { "the-value" };
    const char* switchBodyNames[] = { "the-nothing" };
  
    BinaryenExpressionRef callOperands2[] = { makeInt32(module, 13), makeFloat64(module, 3.7) };
    BinaryenExpressionRef callOperands4[] = { makeInt32(module, 13), makeInt64(module, 37), makeFloat32(module, 1.3f), makeFloat64(module, 3.7) };
    BinaryenExpressionRef callOperands4b[] = { makeInt32(module, 13), makeInt64(module, 37), makeFloat32(module, 1.3f), makeFloat64(module, 3.7) };
    BinaryenExpressionRef tupleElements4a[] = {makeInt32(module, 13),
                                               makeInt64(module, 37),
                                               makeFloat32(module, 1.3f),
                                               makeFloat64(module, 3.7)};
    BinaryenExpressionRef tupleElements4b[] = {makeInt32(module, 13),
                                               makeInt64(module, 37),
                                               makeFloat32(module, 1.3f),
                                               makeFloat64(module, 3.7)};
  
    BinaryenType iIfF_[4] = {BinaryenTypeInt32(),
                             BinaryenTypeInt64(),
                             BinaryenTypeFloat32(),
                             BinaryenTypeFloat64()};
    BinaryenType iIfF = BinaryenTypeCreate(iIfF_, 4);
  
    BinaryenExpressionRef temp1 = makeInt32(module, 1), temp2 = makeInt32(module, 2), temp3 = makeInt32(module, 3),
                          temp4 = makeInt32(module, 4), temp5 = makeInt32(module, 5),
                          temp6 = makeInt32(module, 0), temp7 = makeInt32(module, 1),
                          temp8 = makeInt32(module, 0), temp9 = makeInt32(module, 1),
                          temp10 = makeInt32(module, 1), temp11 = makeInt32(module, 3), temp12 = makeInt32(module, 5),
                          temp13 = makeInt32(module, 10), temp14 = makeInt32(module, 11),
                          temp15 = makeInt32(module, 110), temp16 = makeInt64(module, 111);
    BinaryenExpressionRef externrefExpr = BinaryenRefNull(module, BinaryenTypeExternref());
    BinaryenExpressionRef funcrefExpr = BinaryenRefNull(module, BinaryenTypeFuncref());
    funcrefExpr =
      BinaryenRefFunc(module, "kitchen()sinker", BinaryenTypeFuncref());
    BinaryenExpressionRef i31refExpr = BinaryenI31New(module, makeInt32(module, 1));
  
    // Events
    BinaryenAddEvent(
      module, "a-event", 0, BinaryenTypeInt32(), BinaryenTypeNone());
  
    BinaryenAddTable(module, "tab", 0, 100, NULL, 0, makeInt32(module, 0));
  
    // Exception handling
  
    // (try
    //   (do
    //     (throw $a-event (i32.const 0))
    //   )
    //   (catch $a-event
    //     (drop (i32 pop))
    //   )
    //   (catch_all)
    // )
    BinaryenExpressionRef tryBody = BinaryenThrow(
      module, "a-event", (BinaryenExpressionRef[]){makeInt32(module, 0)}, 1);
    BinaryenExpressionRef catchBody =
      BinaryenDrop(module, BinaryenPop(module, BinaryenTypeInt32()));
    BinaryenExpressionRef catchAllBody = BinaryenNop(module);
    const char* catchEvents[] = {"a-event"};
    BinaryenExpressionRef catchBodies[] = {catchBody, catchAllBody};
    const char* emptyCatchEvents[] = {};
    BinaryenExpressionRef emptyCatchBodies[] = {};
    BinaryenExpressionRef nopCatchBody[] = {BinaryenNop(module)};
  
    BinaryenType i32 = BinaryenTypeInt32();
    BinaryenType i64 = BinaryenTypeInt64();
    BinaryenType f32 = BinaryenTypeFloat32();
    BinaryenType f64 = BinaryenTypeFloat64();
    BinaryenType v128 = BinaryenTypeVec128();
  
    BinaryenExpressionRef valueList[] = {
      // Unary
      makeUnary(module, BinaryenClzInt32(), i32),
      makeUnary(module, BinaryenCtzInt64(), i64),
      makeUnary(module, BinaryenPopcntInt32(), i32),
      makeUnary(module, BinaryenNegFloat32(), f32),
      makeUnary(module, BinaryenAbsFloat64(), f64),
      makeUnary(module, BinaryenCeilFloat32(), f32),
      makeUnary(module, BinaryenFloorFloat64(), f64),
      makeUnary(module, BinaryenTruncFloat32(), f32),
      makeUnary(module, BinaryenNearestFloat32(), f32),
      makeUnary(module, BinaryenSqrtFloat64(), f64),
      makeUnary(module, BinaryenEqZInt32(), i32),
      makeUnary(module, BinaryenExtendSInt32(), i32),
      makeUnary(module, BinaryenExtendUInt32(), i32),
      makeUnary(module, BinaryenWrapInt64(), i64),
      makeUnary(module, BinaryenTruncSFloat32ToInt32(), f32),
      makeUnary(module, BinaryenTruncSFloat32ToInt64(), f32),
      makeUnary(module, BinaryenTruncUFloat32ToInt32(), f32),
      makeUnary(module, BinaryenTruncUFloat32ToInt64(), f32),
      makeUnary(module, BinaryenTruncSFloat64ToInt32(), f64),
      makeUnary(module, BinaryenTruncSFloat64ToInt64(), f64),
      makeUnary(module, BinaryenTruncUFloat64ToInt32(), f64),
      makeUnary(module, BinaryenTruncUFloat64ToInt64(), f64),
      makeUnary(module, BinaryenTruncSatSFloat32ToInt32(), f32),
      makeUnary(module, BinaryenTruncSatSFloat32ToInt64(), f32),
      makeUnary(module, BinaryenTruncSatUFloat32ToInt32(), f32),
      makeUnary(module, BinaryenTruncSatUFloat32ToInt64(), f32),
      makeUnary(module, BinaryenTruncSatSFloat64ToInt32(), f64),
      makeUnary(module, BinaryenTruncSatSFloat64ToInt64(), f64),
      makeUnary(module, BinaryenTruncSatUFloat64ToInt32(), f64),
      makeUnary(module, BinaryenTruncSatUFloat64ToInt64(), f64),
      makeUnary(module, BinaryenReinterpretFloat32(), f32),
      makeUnary(module, BinaryenReinterpretFloat64(), f64),
      makeUnary(module, BinaryenConvertSInt32ToFloat32(), i32),
      makeUnary(module, BinaryenConvertSInt32ToFloat64(), i32),
      makeUnary(module, BinaryenConvertUInt32ToFloat32(), i32),
      makeUnary(module, BinaryenConvertUInt32ToFloat64(), i32),
      makeUnary(module, BinaryenConvertSInt64ToFloat32(), i64),
      makeUnary(module, BinaryenConvertSInt64ToFloat64(), i64),
      makeUnary(module, BinaryenConvertUInt64ToFloat32(), i64),
      makeUnary(module, BinaryenConvertUInt64ToFloat64(), i64),
      makeUnary(module, BinaryenPromoteFloat32(), f32),
      makeUnary(module, BinaryenDemoteFloat64(), f64),
      makeUnary(module, BinaryenReinterpretInt32(), i32),
      makeUnary(module, BinaryenReinterpretInt64(), i64),
      makeUnary(module, BinaryenSplatVecI8x16(), i32),
      makeUnary(module, BinaryenSplatVecI16x8(), i32),
      makeUnary(module, BinaryenSplatVecI32x4(), i32),
      makeUnary(module, BinaryenSplatVecI64x2(), i64),
      makeUnary(module, BinaryenSplatVecF32x4(), f32),
      makeUnary(module, BinaryenSplatVecF64x2(), f64),
      makeUnary(module, BinaryenNotVec128(), v128),
      makeUnary(module, BinaryenAbsVecI8x16(), v128),
      makeUnary(module, BinaryenNegVecI8x16(), v128),
      makeUnary(module, BinaryenAnyTrueVecI8x16(), v128),
      makeUnary(module, BinaryenAllTrueVecI8x16(), v128),
      makeUnary(module, BinaryenBitmaskVecI8x16(), v128),
      makeUnary(module, BinaryenAbsVecI16x8(), v128),
      makeUnary(module, BinaryenNegVecI16x8(), v128),
      makeUnary(module, BinaryenAnyTrueVecI16x8(), v128),
      makeUnary(module, BinaryenAllTrueVecI16x8(), v128),
      makeUnary(module, BinaryenBitmaskVecI16x8(), v128),
      makeUnary(module, BinaryenAbsVecI32x4(), v128),
      makeUnary(module, BinaryenNegVecI32x4(), v128),
      makeUnary(module, BinaryenAnyTrueVecI32x4(), v128),
      makeUnary(module, BinaryenAllTrueVecI32x4(), v128),
      makeUnary(module, BinaryenBitmaskVecI32x4(), v128),
      makeUnary(module, BinaryenNegVecI64x2(), v128),
      makeUnary(module, BinaryenAbsVecF32x4(), v128),
      makeUnary(module, BinaryenNegVecF32x4(), v128),
      makeUnary(module, BinaryenSqrtVecF32x4(), v128),
      makeUnary(module, BinaryenAbsVecF64x2(), v128),
      makeUnary(module, BinaryenNegVecF64x2(), v128),
      makeUnary(module, BinaryenSqrtVecF64x2(), v128),
      makeUnary(module, BinaryenTruncSatSVecF32x4ToVecI32x4(), v128),
      makeUnary(module, BinaryenTruncSatUVecF32x4ToVecI32x4(), v128),
      makeUnary(module, BinaryenTruncSatSVecF64x2ToVecI64x2(), v128),
      makeUnary(module, BinaryenTruncSatUVecF64x2ToVecI64x2(), v128),
      makeUnary(module, BinaryenConvertSVecI32x4ToVecF32x4(), v128),
      makeUnary(module, BinaryenConvertUVecI32x4ToVecF32x4(), v128),
      makeUnary(module, BinaryenConvertSVecI64x2ToVecF64x2(), v128),
      makeUnary(module, BinaryenConvertUVecI64x2ToVecF64x2(), v128),
      makeUnary(module, BinaryenWidenLowSVecI8x16ToVecI16x8(), v128),
      makeUnary(module, BinaryenWidenHighSVecI8x16ToVecI16x8(), v128),
      makeUnary(module, BinaryenWidenLowUVecI8x16ToVecI16x8(), v128),
      makeUnary(module, BinaryenWidenHighUVecI8x16ToVecI16x8(), v128),
      makeUnary(module, BinaryenWidenLowSVecI16x8ToVecI32x4(), v128),
      makeUnary(module, BinaryenWidenHighSVecI16x8ToVecI32x4(), v128),
      makeUnary(module, BinaryenWidenLowUVecI16x8ToVecI32x4(), v128),
      makeUnary(module, BinaryenWidenHighUVecI16x8ToVecI32x4(), v128),
      // Binary
      makeBinary(module, BinaryenAddInt32(), i32),
      makeBinary(module, BinaryenSubFloat64(), f64),
      makeBinary(module, BinaryenDivSInt32(), i32),
      makeBinary(module, BinaryenDivUInt64(), i64),
      makeBinary(module, BinaryenRemSInt64(), i64),
      makeBinary(module, BinaryenRemUInt32(), i32),
      makeBinary(module, BinaryenAndInt32(), i32),
      makeBinary(module, BinaryenOrInt64(), i64),
      makeBinary(module, BinaryenXorInt32(), i32),
      makeBinary(module, BinaryenShlInt64(), i64),
      makeBinary(module, BinaryenShrUInt64(), i64),
      makeBinary(module, BinaryenShrSInt32(), i32),
      makeBinary(module, BinaryenRotLInt32(), i32),
      makeBinary(module, BinaryenRotRInt64(), i64),
      makeBinary(module, BinaryenDivFloat32(), f32),
      makeBinary(module, BinaryenCopySignFloat64(), f64),
      makeBinary(module, BinaryenMinFloat32(), f32),
      makeBinary(module, BinaryenMaxFloat64(), f64),
      makeBinary(module, BinaryenEqInt32(), i32),
      makeBinary(module, BinaryenNeFloat32(), f32),
      makeBinary(module, BinaryenLtSInt32(), i32),
      makeBinary(module, BinaryenLtUInt64(), i64),
      makeBinary(module, BinaryenLeSInt64(), i64),
      makeBinary(module, BinaryenLeUInt32(), i32),
      makeBinary(module, BinaryenGtSInt64(), i64),
      makeBinary(module, BinaryenGtUInt32(), i32),
      makeBinary(module, BinaryenGeSInt32(), i32),
      makeBinary(module, BinaryenGeUInt64(), i64),
      makeBinary(module, BinaryenLtFloat32(), f32),
      makeBinary(module, BinaryenLeFloat64(), f64),
      makeBinary(module, BinaryenGtFloat64(), f64),
      makeBinary(module, BinaryenGeFloat32(), f32),
      makeBinary(module, BinaryenEqVecI8x16(), v128),
      makeBinary(module, BinaryenNeVecI8x16(), v128),
      makeBinary(module, BinaryenLtSVecI8x16(), v128),
      makeBinary(module, BinaryenLtUVecI8x16(), v128),
      makeBinary(module, BinaryenGtSVecI8x16(), v128),
      makeBinary(module, BinaryenGtUVecI8x16(), v128),
      makeBinary(module, BinaryenLeSVecI8x16(), v128),
      makeBinary(module, BinaryenLeUVecI8x16(), v128),
      makeBinary(module, BinaryenGeSVecI8x16(), v128),
      makeBinary(module, BinaryenGeUVecI8x16(), v128),
      makeBinary(module, BinaryenEqVecI16x8(), v128),
      makeBinary(module, BinaryenNeVecI16x8(), v128),
      makeBinary(module, BinaryenLtSVecI16x8(), v128),
      makeBinary(module, BinaryenLtUVecI16x8(), v128),
      makeBinary(module, BinaryenGtSVecI16x8(), v128),
      makeBinary(module, BinaryenGtUVecI16x8(), v128),
      makeBinary(module, BinaryenLeSVecI16x8(), v128),
      makeBinary(module, BinaryenLeUVecI16x8(), v128),
      makeBinary(module, BinaryenGeSVecI16x8(), v128),
      makeBinary(module, BinaryenGeUVecI16x8(), v128),
      makeBinary(module, BinaryenEqVecI32x4(), v128),
      makeBinary(module, BinaryenNeVecI32x4(), v128),
      makeBinary(module, BinaryenLtSVecI32x4(), v128),
      makeBinary(module, BinaryenLtUVecI32x4(), v128),
      makeBinary(module, BinaryenGtSVecI32x4(), v128),
      makeBinary(module, BinaryenGtUVecI32x4(), v128),
      makeBinary(module, BinaryenLeSVecI32x4(), v128),
      makeBinary(module, BinaryenLeUVecI32x4(), v128),
      makeBinary(module, BinaryenGeSVecI32x4(), v128),
      makeBinary(module, BinaryenGeUVecI32x4(), v128),
      makeBinary(module, BinaryenEqVecF32x4(), v128),
      makeBinary(module, BinaryenNeVecF32x4(), v128),
      makeBinary(module, BinaryenLtVecF32x4(), v128),
      makeBinary(module, BinaryenGtVecF32x4(), v128),
      makeBinary(module, BinaryenLeVecF32x4(), v128),
      makeBinary(module, BinaryenGeVecF32x4(), v128),
      makeBinary(module, BinaryenEqVecF64x2(), v128),
      makeBinary(module, BinaryenNeVecF64x2(), v128),
      makeBinary(module, BinaryenLtVecF64x2(), v128),
      makeBinary(module, BinaryenGtVecF64x2(), v128),
      makeBinary(module, BinaryenLeVecF64x2(), v128),
      makeBinary(module, BinaryenGeVecF64x2(), v128),
      makeBinary(module, BinaryenAndVec128(), v128),
      makeBinary(module, BinaryenOrVec128(), v128),
      makeBinary(module, BinaryenXorVec128(), v128),
      makeBinary(module, BinaryenAndNotVec128(), v128),
      makeBinary(module, BinaryenAddVecI8x16(), v128),
      makeBinary(module, BinaryenAddSatSVecI8x16(), v128),
      makeBinary(module, BinaryenAddSatUVecI8x16(), v128),
      makeBinary(module, BinaryenSubVecI8x16(), v128),
      makeBinary(module, BinaryenSubSatSVecI8x16(), v128),
      makeBinary(module, BinaryenSubSatUVecI8x16(), v128),
      makeBinary(module, BinaryenMulVecI8x16(), v128),
      makeBinary(module, BinaryenMinSVecI8x16(), v128),
      makeBinary(module, BinaryenMinUVecI8x16(), v128),
      makeBinary(module, BinaryenMaxSVecI8x16(), v128),
      makeBinary(module, BinaryenMaxUVecI8x16(), v128),
      makeBinary(module, BinaryenAvgrUVecI8x16(), v128),
      makeBinary(module, BinaryenAddVecI16x8(), v128),
      makeBinary(module, BinaryenAddSatSVecI16x8(), v128),
      makeBinary(module, BinaryenAddSatUVecI16x8(), v128),
      makeBinary(module, BinaryenSubVecI16x8(), v128),
      makeBinary(module, BinaryenSubSatSVecI16x8(), v128),
      makeBinary(module, BinaryenSubSatUVecI16x8(), v128),
      makeBinary(module, BinaryenMulVecI16x8(), v128),
      makeBinary(module, BinaryenMinSVecI16x8(), v128),
      makeBinary(module, BinaryenMinUVecI16x8(), v128),
      makeBinary(module, BinaryenMaxSVecI16x8(), v128),
      makeBinary(module, BinaryenMaxUVecI16x8(), v128),
      makeBinary(module, BinaryenAvgrUVecI16x8(), v128),
      makeBinary(module, BinaryenAddVecI32x4(), v128),
      makeBinary(module, BinaryenSubVecI32x4(), v128),
      makeBinary(module, BinaryenMulVecI32x4(), v128),
      makeBinary(module, BinaryenAddVecI64x2(), v128),
      makeBinary(module, BinaryenSubVecI64x2(), v128),
      makeBinary(module, BinaryenMulVecI64x2(), v128),
      makeBinary(module, BinaryenAddVecF32x4(), v128),
      makeBinary(module, BinaryenSubVecF32x4(), v128),
      makeBinary(module, BinaryenMulVecF32x4(), v128),
      makeBinary(module, BinaryenMinSVecI32x4(), v128),
      makeBinary(module, BinaryenMinUVecI32x4(), v128),
      makeBinary(module, BinaryenMaxSVecI32x4(), v128),
      makeBinary(module, BinaryenMaxUVecI32x4(), v128),
      makeBinary(module, BinaryenDotSVecI16x8ToVecI32x4(), v128),
      makeBinary(module, BinaryenDivVecF32x4(), v128),
      makeBinary(module, BinaryenMinVecF32x4(), v128),
      makeBinary(module, BinaryenMaxVecF32x4(), v128),
      makeBinary(module, BinaryenPMinVecF32x4(), v128),
      makeBinary(module, BinaryenPMaxVecF32x4(), v128),
      makeUnary(module, BinaryenCeilVecF32x4(), v128),
      makeUnary(module, BinaryenFloorVecF32x4(), v128),
      makeUnary(module, BinaryenTruncVecF32x4(), v128),
      makeUnary(module, BinaryenNearestVecF32x4(), v128),
      makeBinary(module, BinaryenAddVecF64x2(), v128),
      makeBinary(module, BinaryenSubVecF64x2(), v128),
      makeBinary(module, BinaryenMulVecF64x2(), v128),
      makeBinary(module, BinaryenDivVecF64x2(), v128),
      makeBinary(module, BinaryenMinVecF64x2(), v128),
      makeBinary(module, BinaryenMaxVecF64x2(), v128),
      makeBinary(module, BinaryenPMinVecF64x2(), v128),
      makeBinary(module, BinaryenPMaxVecF64x2(), v128),
      makeUnary(module, BinaryenCeilVecF64x2(), v128),
      makeUnary(module, BinaryenFloorVecF64x2(), v128),
      makeUnary(module, BinaryenTruncVecF64x2(), v128),
      makeUnary(module, BinaryenNearestVecF64x2(), v128),
      makeBinary(module, BinaryenNarrowSVecI16x8ToVecI8x16(), v128),
      makeBinary(module, BinaryenNarrowUVecI16x8ToVecI8x16(), v128),
      makeBinary(module, BinaryenNarrowSVecI32x4ToVecI16x8(), v128),
      makeBinary(module, BinaryenNarrowUVecI32x4ToVecI16x8(), v128),
      makeBinary(module, BinaryenSwizzleVec8x16(), v128),
      // SIMD lane manipulation
      makeSIMDExtract(module, BinaryenExtractLaneSVecI8x16()),
      makeSIMDExtract(module, BinaryenExtractLaneUVecI8x16()),
      makeSIMDExtract(module, BinaryenExtractLaneSVecI16x8()),
      makeSIMDExtract(module, BinaryenExtractLaneUVecI16x8()),
      makeSIMDExtract(module, BinaryenExtractLaneVecI32x4()),
      makeSIMDExtract(module, BinaryenExtractLaneVecI64x2()),
      makeSIMDExtract(module, BinaryenExtractLaneVecF32x4()),
      makeSIMDExtract(module, BinaryenExtractLaneVecF64x2()),
      makeSIMDReplace(module, BinaryenReplaceLaneVecI8x16(), i32),
      makeSIMDReplace(module, BinaryenReplaceLaneVecI16x8(), i32),
      makeSIMDReplace(module, BinaryenReplaceLaneVecI32x4(), i32),
      makeSIMDReplace(module, BinaryenReplaceLaneVecI64x2(), i64),
      makeSIMDReplace(module, BinaryenReplaceLaneVecF32x4(), f32),
      makeSIMDReplace(module, BinaryenReplaceLaneVecF64x2(), f64),
      // SIMD shift
      makeSIMDShift(module, BinaryenShlVecI8x16()),
      makeSIMDShift(module, BinaryenShrSVecI8x16()),
      makeSIMDShift(module, BinaryenShrUVecI8x16()),
      makeSIMDShift(module, BinaryenShlVecI16x8()),
      makeSIMDShift(module, BinaryenShrSVecI16x8()),
      makeSIMDShift(module, BinaryenShrUVecI16x8()),
      makeSIMDShift(module, BinaryenShlVecI32x4()),
      makeSIMDShift(module, BinaryenShrSVecI32x4()),
      makeSIMDShift(module, BinaryenShrUVecI32x4()),
      makeSIMDShift(module, BinaryenShlVecI64x2()),
      makeSIMDShift(module, BinaryenShrSVecI64x2()),
      makeSIMDShift(module, BinaryenShrUVecI64x2()),
      // SIMD load
      BinaryenSIMDLoad(
        module, BinaryenLoadSplatVec8x16(), 0, 1, makeInt32(module, 128)),
      BinaryenSIMDLoad(
        module, BinaryenLoadSplatVec16x8(), 16, 1, makeInt32(module, 128)),
      BinaryenSIMDLoad(
        module, BinaryenLoadSplatVec32x4(), 16, 4, makeInt32(module, 128)),
      BinaryenSIMDLoad(
        module, BinaryenLoadSplatVec64x2(), 0, 4, makeInt32(module, 128)),
      BinaryenSIMDLoad(
        module, BinaryenLoadExtSVec8x8ToVecI16x8(), 0, 8, makeInt32(module, 128)),
      BinaryenSIMDLoad(
        module, BinaryenLoadExtUVec8x8ToVecI16x8(), 0, 8, makeInt32(module, 128)),
      BinaryenSIMDLoad(module,
                       BinaryenLoadExtSVec16x4ToVecI32x4(),
                       0,
                       8,
                       makeInt32(module, 128)),
      BinaryenSIMDLoad(module,
                       BinaryenLoadExtUVec16x4ToVecI32x4(),
                       0,
                       8,
                       makeInt32(module, 128)),
      BinaryenSIMDLoad(module,
                       BinaryenLoadExtSVec32x2ToVecI64x2(),
                       0,
                       8,
                       makeInt32(module, 128)),
      BinaryenSIMDLoad(module,
                       BinaryenLoadExtUVec32x2ToVecI64x2(),
                       0,
                       8,
                       makeInt32(module, 128)),
      // Other SIMD
      makeSIMDShuffle(module),
      makeSIMDTernary(module, BinaryenBitselectVec128()),
      makeSIMDTernary(module, BinaryenQFMAVecF32x4()),
      makeSIMDTernary(module, BinaryenQFMSVecF32x4()),
      makeSIMDTernary(module, BinaryenQFMAVecF64x2()),
      makeSIMDTernary(module, BinaryenQFMSVecF64x2()),
      // Bulk memory
      makeMemoryInit(module),
      makeDataDrop(module),
      makeMemoryCopy(module),
      makeMemoryFill(module),
      // All the rest
      BinaryenBlock(module, NULL, NULL, 0, -1), // block with no name and no type
      BinaryenIf(module, temp1, temp2, temp3),
      BinaryenIf(module, temp4, temp5, NULL),
      BinaryenLoop(module, "in", makeInt32(module, 0)),
      BinaryenLoop(module, NULL, makeInt32(module, 0)),
      BinaryenBreak(module, "the-value", temp6, temp7),
      BinaryenBreak(module, "the-nothing", makeInt32(module, 2), NULL),
      BinaryenBreak(module, "the-value", NULL, makeInt32(module, 3)),
      BinaryenBreak(module, "the-nothing", NULL, NULL),
      BinaryenSwitch(module, switchValueNames, 1, "the-value", temp8, temp9),
      BinaryenSwitch(
        module, switchBodyNames, 1, "the-nothing", makeInt32(module, 2), NULL),
      BinaryenUnary(
        module,
        BinaryenEqZInt32(), // check the output type of the call node
        BinaryenCall(
          module, "kitchen()sinker", callOperands4, 4, BinaryenTypeInt32())),
      BinaryenUnary(module,
                    BinaryenEqZInt32(), // check the output type of the call node
                    BinaryenUnary(module,
                                  BinaryenTruncSFloat32ToInt32(),
                                  BinaryenCall(module,
                                               "an-imported",
                                               callOperands2,
                                               2,
                                               BinaryenTypeFloat32()))),
      BinaryenUnary(module,
                    BinaryenEqZInt32(), // check the output type of the call node
                    BinaryenCallIndirect(module,
                                         "tab",
                                         makeInt32(module, 2449),
                                         callOperands4b,
                                         4,
                                         iIfF,
                                         BinaryenTypeInt32())),
      BinaryenDrop(module, BinaryenLocalGet(module, 0, BinaryenTypeInt32())),
      BinaryenLocalSet(module, 0, makeInt32(module, 101)),
      BinaryenDrop(
        module,
        BinaryenLocalTee(module, 0, makeInt32(module, 102), BinaryenTypeInt32())),
      BinaryenLoad(module, 4, 0, 0, 0, BinaryenTypeInt32(), makeInt32(module, 1)),
      BinaryenLoad(module, 2, 1, 2, 1, BinaryenTypeInt64(), makeInt32(module, 8)),
      BinaryenLoad(
        module, 4, 0, 0, 0, BinaryenTypeFloat32(), makeInt32(module, 2)),
      BinaryenLoad(
        module, 8, 0, 2, 8, BinaryenTypeFloat64(), makeInt32(module, 9)),
      BinaryenStore(module, 4, 0, 0, temp13, temp14, BinaryenTypeInt32()),
      BinaryenStore(module, 8, 2, 4, temp15, temp16, BinaryenTypeInt64()),
      BinaryenSelect(module, temp10, temp11, temp12, BinaryenTypeAuto()),
      BinaryenReturn(module, makeInt32(module, 1337)),
      // Tail call
      BinaryenReturnCall(
        module, "kitchen()sinker", callOperands4, 4, BinaryenTypeInt32()),
      BinaryenReturnCallIndirect(module,
                                 "tab",
                                 makeInt32(module, 2449),
                                 callOperands4b,
                                 4,
                                 iIfF,
                                 BinaryenTypeInt32()),
      // Reference types
      BinaryenRefIs(module, BinaryenRefIsNull(), externrefExpr),
      BinaryenRefIs(module, BinaryenRefIsNull(), funcrefExpr),
      BinaryenSelect(
        module,
        temp10,
        BinaryenRefNull(module, BinaryenTypeFuncref()),
        BinaryenRefFunc(module, "kitchen()sinker", BinaryenTypeFuncref()),
        BinaryenTypeFuncref()),
      // GC
      BinaryenRefEq(module,
                    BinaryenRefNull(module, BinaryenTypeEqref()),
                    BinaryenRefNull(module, BinaryenTypeEqref())),
      // Exception handling
      BinaryenTry(module, NULL, tryBody, catchEvents, 1, catchBodies, 2, NULL),
      // (try $try_outer
      //   (do
      //     (try
      //       (do
      //         (throw $a-event (i32.const 0))
      //       )
      //       (delegate $try_outer)
      //     )
      //   )
      //   (catch_all)
      // )
      BinaryenTry(module,
                  "try_outer",
                  BinaryenTry(module,
                              NULL,
                              tryBody,
                              emptyCatchEvents,
                              0,
                              emptyCatchBodies,
                              0,
                              "try_outer"),
                  emptyCatchEvents,
                  0,
                  nopCatchBody,
                  1,
                  NULL),
      // Atomics
      BinaryenAtomicStore(
        module,
        4,
        0,
        temp6,
        BinaryenAtomicLoad(module, 4, 0, BinaryenTypeInt32(), temp6),
        BinaryenTypeInt32()),
      BinaryenDrop(
        module,
        BinaryenAtomicWait(module, temp6, temp6, temp16, BinaryenTypeInt32())),
      BinaryenDrop(module, BinaryenAtomicNotify(module, temp6, temp6)),
      BinaryenAtomicFence(module),
      // Tuples
      BinaryenTupleMake(module, tupleElements4a, 4),
      BinaryenTupleExtract(
        module, BinaryenTupleMake(module, tupleElements4b, 4), 2),
      // Pop
      BinaryenPop(module, BinaryenTypeInt32()),
      BinaryenPop(module, BinaryenTypeInt64()),
      BinaryenPop(module, BinaryenTypeFloat32()),
      BinaryenPop(module, BinaryenTypeFloat64()),
      BinaryenPop(module, BinaryenTypeFuncref()),
      BinaryenPop(module, BinaryenTypeExternref()),
      BinaryenPop(module, iIfF),
      // Memory
      BinaryenMemorySize(module),
      BinaryenMemoryGrow(module, makeInt32(module, 0)),
      // GC
      BinaryenI31New(module, makeInt32(module, 0)),
      BinaryenI31Get(module, i31refExpr, 1),
      BinaryenI31Get(module, BinaryenI31New(module, makeInt32(module, 2)), 0),
      // Other
      BinaryenNop(module),
      BinaryenUnreachable(module),
    };
  
    BinaryenExpressionPrint(valueList[3]); // test printing a standalone expression
  
    // Make the main body of the function. and one block with a return value, one without
    BinaryenExpressionRef value =
      BinaryenBlock(module,
                    "the-value",
                    valueList,
                    sizeof(valueList) / sizeof(BinaryenExpressionRef),
                    BinaryenTypeAuto());
    BinaryenExpressionRef droppedValue = BinaryenDrop(module, value);
    BinaryenExpressionRef nothing = BinaryenBlock(module, "the-nothing", &droppedValue, 1, -1);
    BinaryenExpressionRef bodyList[] = { nothing, makeInt32(module, 42) };
    BinaryenExpressionRef body =
      BinaryenBlock(module, "the-body", bodyList, 2, BinaryenTypeAuto());
  
    // Create the function
    BinaryenType localTypes[] = {BinaryenTypeInt32(), BinaryenTypeExternref()};
    BinaryenFunctionRef sinker = BinaryenAddFunction(
      module, "kitchen()sinker", iIfF, BinaryenTypeInt32(), localTypes, 2, body);
  
    // Globals
  
    BinaryenAddGlobal(module, "a-global", BinaryenTypeInt32(), 0, makeInt32(module, 7));
    BinaryenAddGlobal(module, "a-mutable-global", BinaryenTypeFloat32(), 1, makeFloat32(module, 7.5));
  
    // Imports
  
    BinaryenType iF_[2] = {BinaryenTypeInt32(), BinaryenTypeFloat64()};
    BinaryenType iF = BinaryenTypeCreate(iF_, 2);
    BinaryenAddFunctionImport(
      module, "an-imported", "module", "base", iF, BinaryenTypeFloat32());
  
    // Exports
  
    BinaryenAddFunctionExport(module, "kitchen()sinker", "kitchen_sinker");
  
    // Function table. One per module
    const char* funcNames[] = { BinaryenFunctionGetName(sinker) };
    BinaryenSetFunctionTable(module, 1, 1, funcNames, 1, BinaryenConst(module, BinaryenLiteralInt32(0)));
  
    // Memory. One per module
  
    const char* segments[] = { "hello, world", "I am passive" };
    int8_t segmentPassive[] = { 0, 1 };
    BinaryenExpressionRef segmentOffsets[] = { BinaryenConst(module, BinaryenLiteralInt32(10)), NULL };
    BinaryenIndex segmentSizes[] = { 12, 12 };
    BinaryenSetMemory(module, 1, 256, "mem", segments, segmentPassive, segmentOffsets, segmentSizes, 2, 1);
  
    // Start function. One per module
  
    BinaryenFunctionRef starter = BinaryenAddFunction(module,
                                                      "starter",
                                                      BinaryenTypeNone(),
                                                      BinaryenTypeNone(),
                                                      NULL,
                                                      0,
                                                      BinaryenNop(module));
    BinaryenSetStart(module, starter);
  
    // A bunch of our code needs drop(), auto-add it
    BinaryenModuleAutoDrop(module);
  
    BinaryenFeatures features = BinaryenFeatureAll();
    BinaryenModuleSetFeatures(module, features);
    assert(BinaryenModuleGetFeatures(module) == features);
  
    // Verify it validates
    assert(BinaryenModuleValidate(module));
  
    // Print it out
    BinaryenModulePrint(module);
  
    // Clean up the module, which owns all the objects we created above
    BinaryenModuleDispose(module);
  }
  
  void test_unreachable() {
    BinaryenModuleRef module = BinaryenModuleCreate();
    BinaryenExpressionRef body = BinaryenCallIndirect(module,
                                                      "invalid-table",
                                                      BinaryenUnreachable(module),
                                                      NULL,
                                                      0,
                                                      BinaryenTypeNone(),
                                                      BinaryenTypeInt64());
    BinaryenFunctionRef fn = BinaryenAddFunction(module,
                                                 "unreachable-fn",
                                                 BinaryenTypeNone(),
                                                 BinaryenTypeInt32(),
                                                 NULL,
                                                 0,
                                                 body);
  
    assert(BinaryenModuleValidate(module));
    BinaryenModulePrint(module);
    BinaryenModuleDispose(module);
  }
  
  BinaryenExpressionRef makeCallCheck(BinaryenModuleRef module, int x) {
    BinaryenExpressionRef callOperands[] = { makeInt32(module, x) };
    return BinaryenCall(module, "check", callOperands, 1, BinaryenTypeNone());
  }
  
  void test_relooper() {
    BinaryenModuleRef module = BinaryenModuleCreate();
    BinaryenType localTypes[] = { BinaryenTypeInt32() };
  
    BinaryenAddFunctionImport(module,
                              "check",
                              "module",
                              "check",
                              BinaryenTypeInt32(),
                              BinaryenTypeNone());
  
    { // trivial: just one block
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block = RelooperAddBlock(relooper, makeCallCheck(module, 1337));
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "just-one-block",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // two blocks
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module, 0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperAddBranch(block0, block1, NULL, NULL); // no condition, no code on branch
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "two-blocks",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // two blocks with code between them
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperAddBranch(block0, block1, NULL, makeDroppedInt32(module, 77)); // code on branch
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "two-blocks-plus-code",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // two blocks in a loop
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperAddBranch(block0, block1, NULL, NULL);
      RelooperAddBranch(block1, block0, NULL, NULL);
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "loop",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // two blocks in a loop with codes
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperAddBranch(block0, block1, NULL, makeDroppedInt32(module, 33));
      RelooperAddBranch(block1, block0, NULL, makeDroppedInt32(module, -66));
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "loop-plus-code",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // split
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperBlockRef block2 = RelooperAddBlock(relooper, makeCallCheck(module,  2));
      RelooperAddBranch(block0, block1, makeInt32(module, 55), NULL);
      RelooperAddBranch(block0, block2, NULL, NULL);
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "split",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // split + code
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperBlockRef block2 = RelooperAddBlock(relooper, makeCallCheck(module,  2));
      BinaryenExpressionRef temp = makeDroppedInt32(module, 10);
      RelooperAddBranch(block0, block1, makeInt32(module, 55), temp);
      RelooperAddBranch(block0, block2, NULL, makeDroppedInt32(module, 20));
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "split-plus-code",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // if
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperBlockRef block2 = RelooperAddBlock(relooper, makeCallCheck(module,  2));
      RelooperAddBranch(block0, block1, makeInt32(module, 55), NULL);
      RelooperAddBranch(block0, block2, NULL, NULL);
      RelooperAddBranch(block1, block2, NULL, NULL);
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "if",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // if + code
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperBlockRef block2 = RelooperAddBlock(relooper, makeCallCheck(module,  2));
      BinaryenExpressionRef temp = makeDroppedInt32(module, -1);
      RelooperAddBranch(block0, block1, makeInt32(module, 55), temp);
      RelooperAddBranch(block0, block2, NULL, makeDroppedInt32(module, -2));
      RelooperAddBranch(block1, block2, NULL, makeDroppedInt32(module, -3));
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "if-plus-code",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // if-else
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperBlockRef block2 = RelooperAddBlock(relooper, makeCallCheck(module,  2));
      RelooperBlockRef block3 = RelooperAddBlock(relooper, makeCallCheck(module,  3));
      RelooperAddBranch(block0, block1, makeInt32(module, 55), NULL);
      RelooperAddBranch(block0, block2, NULL, NULL);
      RelooperAddBranch(block1, block3, NULL, NULL);
      RelooperAddBranch(block2, block3, NULL, NULL);
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "if-else",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // loop+tail
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperBlockRef block2 = RelooperAddBlock(relooper, makeCallCheck(module,  2));
      RelooperAddBranch(block0, block1, NULL, NULL);
      RelooperAddBranch(block1, block0, makeInt32(module, 10), NULL);
      RelooperAddBranch(block1, block2, NULL, NULL);
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "loop-tail",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // nontrivial loop + phi to head
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperBlockRef block2 = RelooperAddBlock(relooper, makeCallCheck(module,  2));
      RelooperBlockRef block3 = RelooperAddBlock(relooper, makeCallCheck(module,  3));
      RelooperBlockRef block4 = RelooperAddBlock(relooper, makeCallCheck(module,  4));
      RelooperBlockRef block5 = RelooperAddBlock(relooper, makeCallCheck(module,  5));
      RelooperBlockRef block6 = RelooperAddBlock(relooper, makeCallCheck(module,  6));
      RelooperAddBranch(block0, block1, NULL, makeDroppedInt32(module, 10));
      RelooperAddBranch(block1, block2, makeInt32(module, -2), NULL);
      RelooperAddBranch(block1, block6, NULL, makeDroppedInt32(module, 20));
      RelooperAddBranch(block2, block3, makeInt32(module, -6), NULL);
      RelooperAddBranch(block2, block1, NULL, makeDroppedInt32(module, 30));
      RelooperAddBranch(block3, block4, makeInt32(module, -10), NULL);
      RelooperAddBranch(block3, block5, NULL, NULL);
      RelooperAddBranch(block4, block5, NULL, NULL);
      RelooperAddBranch(block5, block6, NULL, makeDroppedInt32(module, 40));
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker =
        BinaryenAddFunction(module,
                            "nontrivial-loop-plus-phi-to-head",
                            BinaryenTypeNone(),
                            BinaryenTypeNone(),
                            localTypes,
                            1,
                            body);
    }
    { // switch
      RelooperRef relooper = RelooperCreate(module);
      BinaryenExpressionRef temp = makeInt32(module, -99);
      RelooperBlockRef block0 = RelooperAddBlockWithSwitch(relooper, makeCallCheck(module,  0), temp);
      // TODO: this example is not very good, the blocks should end in a |return| as otherwise they
      //       fall through to each other. A relooper block should end in something that stops control
      //       flow, if it doesn't have branches going out
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperBlockRef block2 = RelooperAddBlock(relooper, makeCallCheck(module,  2));
      RelooperBlockRef block3 = RelooperAddBlock(relooper, makeCallCheck(module,  3));
      BinaryenIndex to_block1[] = { 2, 5 };
      RelooperAddBranchForSwitch(block0, block1, to_block1, 2, NULL);
      BinaryenIndex to_block2[] = { 4 };
      RelooperAddBranchForSwitch(block0, block2, to_block2, 1, makeDroppedInt32(module, 55));
      RelooperAddBranchForSwitch(block0, block3, NULL, 0, NULL);
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "switch",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeNone(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
    { // duff's device
      RelooperRef relooper = RelooperCreate(module);
      RelooperBlockRef block0 = RelooperAddBlock(relooper, makeCallCheck(module,  0));
      RelooperBlockRef block1 = RelooperAddBlock(relooper, makeCallCheck(module,  1));
      RelooperBlockRef block2 = RelooperAddBlock(relooper, makeCallCheck(module,  2));
      RelooperAddBranch(block0, block1, makeInt32(module, 10), NULL);
      RelooperAddBranch(block0, block2, NULL, NULL);
      RelooperAddBranch(block1, block2, NULL, NULL);
      RelooperAddBranch(block2, block1, NULL, NULL);
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 3); // use $3 as the helper var
      BinaryenType localTypes[] = { BinaryenTypeInt32(), BinaryenTypeInt32(), BinaryenTypeInt64(), BinaryenTypeInt32(), BinaryenTypeFloat32(), BinaryenTypeFloat64(), BinaryenTypeInt32() };
      BinaryenFunctionRef sinker =
        BinaryenAddFunction(module,
                            "duffs-device",
                            BinaryenTypeNone(),
                            BinaryenTypeNone(),
                            localTypes,
                            sizeof(localTypes) / sizeof(BinaryenType),
                            body);
    }
  
    { // return in a block
      RelooperRef relooper = RelooperCreate(module);
      BinaryenExpressionRef listList[] = { makeCallCheck(module,  42), BinaryenReturn(module, makeInt32(module, 1337)) };
      BinaryenExpressionRef list = BinaryenBlock(module, "the-list", listList, 2, -1);
      RelooperBlockRef block = RelooperAddBlock(relooper, list);
      BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block, 0);
      BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                       "return",
                                                       BinaryenTypeNone(),
                                                       BinaryenTypeInt32(),
                                                       localTypes,
                                                       1,
                                                       body);
    }
  
    printf("raw:\n");
    BinaryenModulePrint(module);
  
    assert(BinaryenModuleValidate(module));
  
    BinaryenModuleOptimize(module);
  
    assert(BinaryenModuleValidate(module));
  
    printf("optimized:\n");
    BinaryenModulePrint(module);
  
    BinaryenModuleDispose(module);
  }
  
  void test_binaries() {
    char buffer[1024];
    size_t size;
  
    { // create a module and write it to binary
      BinaryenModuleRef module = BinaryenModuleCreate();
      BinaryenType ii_[2] = {BinaryenTypeInt32(), BinaryenTypeInt32()};
      BinaryenType ii = BinaryenTypeCreate(ii_, 2);
      BinaryenExpressionRef x = BinaryenLocalGet(module, 0, BinaryenTypeInt32()),
                            y = BinaryenLocalGet(module, 1, BinaryenTypeInt32());
      BinaryenExpressionRef add = BinaryenBinary(module, BinaryenAddInt32(), x, y);
      BinaryenFunctionRef adder = BinaryenAddFunction(
        module, "adder", ii, BinaryenTypeInt32(), NULL, 0, add);
      BinaryenSetDebugInfo(1); // include names section
      size = BinaryenModuleWrite(module, buffer, 1024); // write out the module
      BinaryenSetDebugInfo(0);
      BinaryenModuleDispose(module);
    }
  
    assert(size > 0);
    assert(size < 512); // this is a tiny module
  
    // read the module from the binary
    BinaryenModuleRef module = BinaryenModuleRead(buffer, size);
  
    // validate, print, and free
    assert(BinaryenModuleValidate(module));
    printf("module loaded from binary form:\n");
    BinaryenModulePrint(module);
  
    // write the s-expr representation of the module.
    BinaryenModuleWriteText(module, buffer, 1024);
    printf("module s-expr printed (in memory):\n%s\n", buffer);
  
  
    // writ the s-expr representation to a pointer which is managed by the
    // caller
    char *text = BinaryenModuleAllocateAndWriteText(module);
    printf("module s-expr printed (in memory, caller-owned):\n%s\n", text);
    free(text);
  
  
    BinaryenModuleDispose(module);
  }
  
  void test_interpret() {
    // create a simple module with a start method that prints a number, and interpret it, printing that number.
    BinaryenModuleRef module = BinaryenModuleCreate();
  
    BinaryenType iparams[2] = { BinaryenTypeInt32() };
    BinaryenAddFunctionImport(module,
                              "print-i32",
                              "spectest",
                              "print",
                              BinaryenTypeInt32(),
                              BinaryenTypeNone());
  
    BinaryenExpressionRef callOperands[] = { makeInt32(module, 1234) };
    BinaryenExpressionRef call = BinaryenCall(module, "print-i32", callOperands, 1, BinaryenTypeNone());
    BinaryenFunctionRef starter = BinaryenAddFunction(
      module, "starter", BinaryenTypeNone(), BinaryenTypeNone(), NULL, 0, call);
    BinaryenSetStart(module, starter);
  
    BinaryenModulePrint(module);
    assert(BinaryenModuleValidate(module));
    BinaryenModuleInterpret(module);
    BinaryenModuleDispose(module);
  }
  
  void test_nonvalid() {
    // create a module that fails to validate
    {
      BinaryenModuleRef module = BinaryenModuleCreate();
  
      BinaryenType localTypes[] = { BinaryenTypeInt32() };
      BinaryenFunctionRef func = BinaryenAddFunction(
        module,
        "func",
        BinaryenTypeNone(),
        BinaryenTypeNone(),
        localTypes,
        1,
        BinaryenLocalSet(module, 0, makeInt64(module, 1234)) // wrong type!
      );
  
      BinaryenModulePrint(module);
      printf("validation: %d\n", BinaryenModuleValidate(module));
  
      BinaryenModuleDispose(module);
    }
  }
  
  void test_color_status() {
      int i;
  
      // save old state
      const int old_state = BinaryenAreColorsEnabled();
  
      // Check that we can set the state to both {0, 1}
      for(i = 0; i <= 1; i++){
          BinaryenSetColorsEnabled(i);
          assert(BinaryenAreColorsEnabled() == i);
      }
  
      BinaryenSetColorsEnabled(old_state);
  }
  
  void test_for_each() {
    BinaryenIndex i;
  
    BinaryenModuleRef module = BinaryenModuleCreate();
    BinaryenFunctionRef fns[3] = {};
    fns[0] = BinaryenAddFunction(module,
                                 "fn0",
                                 BinaryenTypeNone(),
                                 BinaryenTypeNone(),
                                 NULL,
                                 0,
                                 BinaryenNop(module));
    fns[1] = BinaryenAddFunction(module,
                                 "fn1",
                                 BinaryenTypeNone(),
                                 BinaryenTypeNone(),
                                 NULL,
                                 0,
                                 BinaryenNop(module));
    fns[2] = BinaryenAddFunction(module,
                                 "fn2",
                                 BinaryenTypeNone(),
                                 BinaryenTypeNone(),
                                 NULL,
                                 0,
                                 BinaryenNop(module));
    {
      for (i = 0; i < BinaryenGetNumFunctions(module) ; i++) {
        assert(BinaryenGetFunctionByIndex(module, i) == fns[i]);
      }
  
      BinaryenExportRef exps[3] = {0};
      exps[0] = BinaryenAddFunctionExport(module, "fn0", "export0");
      exps[1] = BinaryenAddFunctionExport(module, "fn1", "export1");
      exps[2] = BinaryenAddFunctionExport(module, "fn2", "export2");
  
      for (i = 0; i < BinaryenGetNumExports(module) ; i++) {
        assert(BinaryenGetExportByIndex(module, i) == exps[i]);
      }
  
      const char* segments[] = { "hello, world", "segment data 2" };
      const uint32_t expected_offsets[] = { 10, 125 };
      int8_t segmentPassive[] = { 0, 0 };
      BinaryenIndex segmentSizes[] = { 12, 14 };
  
      BinaryenExpressionRef segmentOffsets[] = {
        BinaryenConst(module, BinaryenLiteralInt32(expected_offsets[0])),
        BinaryenGlobalGet(module, "a-global", BinaryenTypeInt32())
      };
      BinaryenSetMemory(module, 1, 256, "mem", segments, segmentPassive, segmentOffsets, segmentSizes, 2, 0);
      BinaryenAddGlobal(module, "a-global", BinaryenTypeInt32(), 0, makeInt32(module, expected_offsets[1]));
  
      for (i = 0; i < BinaryenGetNumMemorySegments(module) ; i++) {
        char out[15] = {};
        assert(BinaryenGetMemorySegmentByteOffset(module, i) == expected_offsets[i]);
        assert(BinaryenGetMemorySegmentByteLength(module, i) == segmentSizes[i]);
        BinaryenCopyMemorySegmentData(module, i, out);
        assert(0 == strcmp(segments[i], out));
      }
    }
    {
      const char* funcNames[] = {
        BinaryenFunctionGetName(fns[0]),
        BinaryenFunctionGetName(fns[1]),
        BinaryenFunctionGetName(fns[2])
      };
      BinaryenExpressionRef constExprRef = BinaryenConst(module, BinaryenLiteralInt32(0));
      BinaryenSetFunctionTable(module, 1, 1, funcNames, 3, constExprRef);
      assert(0 == BinaryenIsFunctionTableImported(module));
      assert(1 == BinaryenGetNumFunctionTableSegments(module));
      assert(constExprRef == BinaryenGetFunctionTableSegmentOffset(module, 0));
      assert(3 == BinaryenGetFunctionTableSegmentLength(module, 0));
      for (i = 0; i != BinaryenGetFunctionTableSegmentLength(module, 0); ++i)
      {
        const char * str = BinaryenGetFunctionTableSegmentData(module, 0, i);
        assert(0 == strcmp(funcNames[i], str));
      }
    }
    BinaryenModulePrint(module);
    BinaryenModuleDispose(module);
  }
  
  void test_func_opt() {
    BinaryenModuleRef module = BinaryenModuleCreate();
    BinaryenType ii_[2] = {BinaryenTypeInt32(), BinaryenTypeInt32()};
    BinaryenType ii = BinaryenTypeCreate(ii_, 2);
    BinaryenExpressionRef x = BinaryenConst(module, BinaryenLiteralInt32(1)),
                          y = BinaryenConst(module, BinaryenLiteralInt32(3));
    BinaryenExpressionRef add = BinaryenBinary(module, BinaryenAddInt32(), x, y);
    BinaryenFunctionRef adder = BinaryenAddFunction(
      module, "adder", BinaryenTypeNone(), BinaryenTypeInt32(), NULL, 0, add);
  
    puts("module with a function to optimize:");
    BinaryenModulePrint(module);
  
    assert(BinaryenModuleValidate(module));
  
    BinaryenFunctionOptimize(adder, module);
  
    assert(BinaryenModuleValidate(module));
  
    puts("optimized:");
    BinaryenModulePrint(module);
  
    BinaryenModuleDispose(module);
  }
  
  int main() {
    test_types();
    test_features();
    test_core();
    test_unreachable();
    test_relooper();
    test_binaries();
    test_interpret();
    test_nonvalid();
    test_color_status();
    test_for_each();
    test_func_opt();
  
    return 0;
  }
  