src/tint/resolver/const_eval_member_access_test.cc - dawn - Git at Google


            
            // Copyright 2022 The Tint Authors.

            
            //

            
            // 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.


            #include "src/tint/resolver/const_eval_test.h"


            using namespace tint::number_suffixes;  // NOLINT


            namespace tint::resolver {

            
            namespace {


            TEST_F(ResolverConstEvalTest, StructMemberAccess) {

            
                Structure("Inner", utils::Vector{

            
                                       Member("i1", ty.i32()),

            
                                       Member("i2", ty.u32()),

            
                                       Member("i3", ty.f32()),

            
                                       Member("i4", ty.bool_()),

            
                                   });


                Structure("Outer", utils::Vector{

            
                                       Member("o1", ty("Inner")),

            
                                       Member("o2", ty("Inner")),

            
                                   });

            
                auto* outer_expr = Call("Outer",  //

            
                                        Call("Inner", 1_i, 2_u, 3_f, true), Call("Inner"));

            
                auto* o1_expr = MemberAccessor(outer_expr, "o1");

            
                auto* i2_expr = MemberAccessor(o1_expr, "i2");

            
                WrapInFunction(i2_expr);


                EXPECT_TRUE(r()->Resolve()) << r()->error();


                auto* outer = Sem().Get(outer_expr);

            
                ASSERT_NE(outer, nullptr);

            
                auto* str = outer->Type()->As<sem::Struct>();

            
                ASSERT_NE(str, nullptr);

            
                EXPECT_EQ(str->Members().Length(), 2u);

            
                ASSERT_NE(outer->ConstantValue(), nullptr);

            
                EXPECT_TYPE(outer->ConstantValue()->Type(), outer->Type());

            
                EXPECT_TRUE(outer->ConstantValue()->AnyZero());

            
                EXPECT_FALSE(outer->ConstantValue()->AllZero());


                auto* o1 = Sem().Get(o1_expr);

            
                ASSERT_NE(o1->ConstantValue(), nullptr);

            
                EXPECT_FALSE(o1->ConstantValue()->AnyZero());

            
                EXPECT_FALSE(o1->ConstantValue()->AllZero());

            
                EXPECT_TRUE(o1->ConstantValue()->Type()->Is<sem::Struct>());

            
                EXPECT_EQ(o1->ConstantValue()->Index(0)->ValueAs<i32>(), 1_i);

            
                EXPECT_EQ(o1->ConstantValue()->Index(1)->ValueAs<u32>(), 2_u);

            
                EXPECT_EQ(o1->ConstantValue()->Index(2)->ValueAs<f32>(), 3_f);

            
                EXPECT_EQ(o1->ConstantValue()->Index(2)->ValueAs<bool>(), true);


                auto* i2 = Sem().Get(i2_expr);

            
                ASSERT_NE(i2->ConstantValue(), nullptr);

            
                EXPECT_FALSE(i2->ConstantValue()->AnyZero());

            
                EXPECT_FALSE(i2->ConstantValue()->AllZero());

            
                EXPECT_TRUE(i2->ConstantValue()->Type()->Is<type::U32>());

            
                EXPECT_EQ(i2->ConstantValue()->ValueAs<u32>(), 2_u);

            
            }


            TEST_F(ResolverConstEvalTest, Matrix_AFloat_Construct_From_AInt_Vectors) {

            
                auto* c = Const("a", Call(ty.mat2x2<Infer>(),  //

            
                                          Call(ty.vec<Infer>(2), Expr(1_a), Expr(2_a)),

            
                                          Call(ty.vec<Infer>(2), Expr(3_a), Expr(4_a))));

            
                WrapInFunction(c);


                EXPECT_TRUE(r()->Resolve()) << r()->error();


                auto* sem = Sem().Get(c);

            
                ASSERT_NE(sem, nullptr);

            
                EXPECT_TRUE(sem->Type()->Is<type::Matrix>());

            
                auto* cv = sem->ConstantValue();

            
                EXPECT_TYPE(cv->Type(), sem->Type());

            
                EXPECT_TRUE(cv->Index(0)->Type()->Is<type::Vector>());

            
                EXPECT_TRUE(cv->Index(0)->Index(0)->Type()->Is<type::AbstractFloat>());

            
                EXPECT_FALSE(cv->AnyZero());

            
                EXPECT_FALSE(cv->AllZero());

            
                auto* c0 = cv->Index(0);

            
                auto* c1 = cv->Index(1);

            
                EXPECT_EQ(c0->Index(0)->ValueAs<AFloat>(), 1.0);

            
                EXPECT_EQ(c0->Index(1)->ValueAs<AFloat>(), 2.0);

            
                EXPECT_EQ(c1->Index(0)->ValueAs<AFloat>(), 3.0);

            
                EXPECT_EQ(c1->Index(1)->ValueAs<AFloat>(), 4.0);

            
            }


            TEST_F(ResolverConstEvalTest, MatrixMemberAccess_AFloat) {

            
                auto* c = Const("a", Call(ty.mat2x3<Infer>(),  //

            
                                          Call(ty.vec3<Infer>(), Expr(1.0_a), Expr(2.0_a), Expr(3.0_a)),

            
                                          Call(ty.vec3<Infer>(), Expr(4.0_a), Expr(5.0_a), Expr(6.0_a))));


                auto* col_0 = Const("col_0", IndexAccessor("a", Expr(0_i)));

            
                auto* col_1 = Const("col_1", IndexAccessor("a", Expr(1_i)));

            
                auto* e00 = Const("e00", IndexAccessor("col_0", Expr(0_i)));

            
                auto* e01 = Const("e01", IndexAccessor("col_0", Expr(1_i)));

            
                auto* e02 = Const("e02", IndexAccessor("col_0", Expr(2_i)));

            
                auto* e10 = Const("e10", IndexAccessor("col_1", Expr(0_i)));

            
                auto* e11 = Const("e11", IndexAccessor("col_1", Expr(1_i)));

            
                auto* e12 = Const("e12", IndexAccessor("col_1", Expr(2_i)));


                (void)col_0;

            
                (void)col_1;


                WrapInFunction(c, col_0, col_1, e00, e01, e02, e10, e11, e12);


                EXPECT_TRUE(r()->Resolve()) << r()->error();


                auto* sem = Sem().Get(c);

            
                ASSERT_NE(sem, nullptr);

            
                EXPECT_TRUE(sem->Type()->Is<type::Matrix>());

            
                auto* cv = sem->ConstantValue();

            
                EXPECT_TYPE(cv->Type(), sem->Type());

            
                EXPECT_TRUE(cv->Index(0)->Type()->Is<type::Vector>());

            
                EXPECT_TRUE(cv->Index(0)->Index(0)->Type()->Is<type::AbstractFloat>());

            
                EXPECT_FALSE(cv->AnyZero());

            
                EXPECT_FALSE(cv->AllZero());


                auto* sem_col0 = Sem().Get(col_0);

            
                ASSERT_NE(sem_col0, nullptr);

            
                EXPECT_TRUE(sem_col0->Type()->Is<type::Vector>());

            
                EXPECT_EQ(sem_col0->ConstantValue()->Index(0)->ValueAs<AFloat>(), 1.0);

            
                EXPECT_EQ(sem_col0->ConstantValue()->Index(1)->ValueAs<AFloat>(), 2.0);

            
                EXPECT_EQ(sem_col0->ConstantValue()->Index(2)->ValueAs<AFloat>(), 3.0);


                auto* sem_col1 = Sem().Get(col_1);

            
                ASSERT_NE(sem_col1, nullptr);

            
                EXPECT_TRUE(sem_col1->Type()->Is<type::Vector>());

            
                EXPECT_EQ(sem_col1->ConstantValue()->Index(0)->ValueAs<AFloat>(), 4.0);

            
                EXPECT_EQ(sem_col1->ConstantValue()->Index(1)->ValueAs<AFloat>(), 5.0);

            
                EXPECT_EQ(sem_col1->ConstantValue()->Index(2)->ValueAs<AFloat>(), 6.0);


                auto* sem_e00 = Sem().Get(e00);

            
                ASSERT_NE(sem_e00, nullptr);

            
                EXPECT_TRUE(sem_e00->Type()->Is<type::AbstractFloat>());

            
                EXPECT_EQ(sem_e00->ConstantValue()->ValueAs<AFloat>(), 1.0);


                auto* sem_e01 = Sem().Get(e01);

            
                ASSERT_NE(sem_e01, nullptr);

            
                EXPECT_TRUE(sem_e01->Type()->Is<type::AbstractFloat>());

            
                EXPECT_EQ(sem_e01->ConstantValue()->ValueAs<AFloat>(), 2.0);


                auto* sem_e02 = Sem().Get(e02);

            
                ASSERT_NE(sem_e02, nullptr);

            
                EXPECT_TRUE(sem_e02->Type()->Is<type::AbstractFloat>());

            
                EXPECT_EQ(sem_e02->ConstantValue()->ValueAs<AFloat>(), 3.0);


                auto* sem_e10 = Sem().Get(e10);

            
                ASSERT_NE(sem_e10, nullptr);

            
                EXPECT_TRUE(sem_e10->Type()->Is<type::AbstractFloat>());

            
                EXPECT_EQ(sem_e10->ConstantValue()->ValueAs<AFloat>(), 4.0);


                auto* sem_e11 = Sem().Get(e11);

            
                ASSERT_NE(sem_e11, nullptr);

            
                EXPECT_TRUE(sem_e11->Type()->Is<type::AbstractFloat>());

            
                EXPECT_EQ(sem_e11->ConstantValue()->ValueAs<AFloat>(), 5.0);


                auto* sem_e12 = Sem().Get(e12);

            
                ASSERT_NE(sem_e12, nullptr);

            
                EXPECT_TRUE(sem_e12->Type()->Is<type::AbstractFloat>());

            
                EXPECT_EQ(sem_e12->ConstantValue()->ValueAs<AFloat>(), 6.0);

            
            }


            TEST_F(ResolverConstEvalTest, MatrixMemberAccess_f32) {

            
                auto* c = Const("a", Call(ty.mat2x3<Infer>(),  //

            
                                          Call(ty.vec3<Infer>(), Expr(1.0_f), Expr(2.0_f), Expr(3.0_f)),

            
                                          Call(ty.vec3<Infer>(), Expr(4.0_f), Expr(5.0_f), Expr(6.0_f))));


                auto* col_0 = Const("col_0", IndexAccessor("a", Expr(0_i)));

            
                auto* col_1 = Const("col_1", IndexAccessor("a", Expr(1_i)));

            
                auto* e00 = Const("e00", IndexAccessor("col_0", Expr(0_i)));

            
                auto* e01 = Const("e01", IndexAccessor("col_0", Expr(1_i)));

            
                auto* e02 = Const("e02", IndexAccessor("col_0", Expr(2_i)));

            
                auto* e10 = Const("e10", IndexAccessor("col_1", Expr(0_i)));

            
                auto* e11 = Const("e11", IndexAccessor("col_1", Expr(1_i)));

            
                auto* e12 = Const("e12", IndexAccessor("col_1", Expr(2_i)));


                (void)col_0;

            
                (void)col_1;


                WrapInFunction(c, col_0, col_1, e00, e01, e02, e10, e11, e12);


                EXPECT_TRUE(r()->Resolve()) << r()->error();


                auto* sem = Sem().Get(c);

            
                ASSERT_NE(sem, nullptr);

            
                EXPECT_TRUE(sem->Type()->Is<type::Matrix>());

            
                auto* cv = sem->ConstantValue();

            
                EXPECT_TYPE(cv->Type(), sem->Type());

            
                EXPECT_TRUE(cv->Index(0)->Type()->Is<type::Vector>());

            
                EXPECT_TRUE(cv->Index(0)->Index(0)->Type()->Is<type::F32>());

            
                EXPECT_FALSE(cv->AnyZero());

            
                EXPECT_FALSE(cv->AllZero());


                auto* sem_col0 = Sem().Get(col_0);

            
                ASSERT_NE(sem_col0, nullptr);

            
                EXPECT_TRUE(sem_col0->Type()->Is<type::Vector>());

            
                EXPECT_EQ(sem_col0->ConstantValue()->Index(0)->ValueAs<f32>(), 1.0f);

            
                EXPECT_EQ(sem_col0->ConstantValue()->Index(1)->ValueAs<f32>(), 2.0f);

            
                EXPECT_EQ(sem_col0->ConstantValue()->Index(2)->ValueAs<f32>(), 3.0f);


                auto* sem_col1 = Sem().Get(col_1);

            
                ASSERT_NE(sem_col1, nullptr);

            
                EXPECT_TRUE(sem_col1->Type()->Is<type::Vector>());

            
                EXPECT_EQ(sem_col1->ConstantValue()->Index(0)->ValueAs<f32>(), 4.0f);

            
                EXPECT_EQ(sem_col1->ConstantValue()->Index(1)->ValueAs<f32>(), 5.0f);

            
                EXPECT_EQ(sem_col1->ConstantValue()->Index(2)->ValueAs<f32>(), 6.0f);


                auto* sem_e00 = Sem().Get(e00);

            
                ASSERT_NE(sem_e00, nullptr);

            
                EXPECT_TRUE(sem_e00->Type()->Is<type::F32>());

            
                EXPECT_EQ(sem_e00->ConstantValue()->ValueAs<f32>(), 1.0f);


                auto* sem_e01 = Sem().Get(e01);

            
                ASSERT_NE(sem_e01, nullptr);

            
                EXPECT_TRUE(sem_e01->Type()->Is<type::F32>());

            
                EXPECT_EQ(sem_e01->ConstantValue()->ValueAs<f32>(), 2.0f);


                auto* sem_e02 = Sem().Get(e02);

            
                ASSERT_NE(sem_e02, nullptr);

            
                EXPECT_TRUE(sem_e02->Type()->Is<type::F32>());

            
                EXPECT_EQ(sem_e02->ConstantValue()->ValueAs<f32>(), 3.0f);


                auto* sem_e10 = Sem().Get(e10);

            
                ASSERT_NE(sem_e10, nullptr);

            
                EXPECT_TRUE(sem_e10->Type()->Is<type::F32>());

            
                EXPECT_EQ(sem_e10->ConstantValue()->ValueAs<f32>(), 4.0f);


                auto* sem_e11 = Sem().Get(e11);

            
                ASSERT_NE(sem_e11, nullptr);

            
                EXPECT_TRUE(sem_e11->Type()->Is<type::F32>());

            
                EXPECT_EQ(sem_e11->ConstantValue()->ValueAs<f32>(), 5.0f);


                auto* sem_e12 = Sem().Get(e12);

            
                ASSERT_NE(sem_e12, nullptr);

            
                EXPECT_TRUE(sem_e12->Type()->Is<type::F32>());

            
                EXPECT_EQ(sem_e12->ConstantValue()->ValueAs<f32>(), 6.0f);

            
            }


            namespace ArrayAccess {

            
            struct Case {

            
                Value input;

            
            };

            
            static Case C(Value input) {

            
                return Case{std::move(input)};

            
            }

            
            static std::ostream& operator<<(std::ostream& o, const Case& c) {

            
                return o << "input: " << c.input;

            
            }


            using ResolverConstEvalArrayAccessTest = ResolverTestWithParam<Case>;

            
            TEST_P(ResolverConstEvalArrayAccessTest, Test) {

            
                Enable(builtin::Extension::kF16);


                auto& param = GetParam();

            
                auto* expr = param.input.Expr(*this);

            
                auto* a = Const("a", expr);


                utils::Vector<const ast::IndexAccessorExpression*, 4> index_accessors;

            
                for (size_t i = 0; i < param.input.args.Length(); ++i) {

            
                    auto* index = IndexAccessor("a", Expr(i32(i)));

            
                    index_accessors.Push(index);

            
                }


                utils::Vector<const ast::Statement*, 5> stmts;

            
                stmts.Push(WrapInStatement(a));

            
                for (auto* ia : index_accessors) {

            
                    stmts.Push(WrapInStatement(ia));

            
                }

            
                WrapInFunction(std::move(stmts));


                EXPECT_TRUE(r()->Resolve()) << r()->error();


                auto* sem = Sem().GetVal(expr);

            
                ASSERT_NE(sem, nullptr);

            
                auto* arr = sem->Type()->As<type::Array>();

            
                ASSERT_NE(arr, nullptr);


                EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());

            
                for (size_t i = 0; i < index_accessors.Length(); ++i) {

            
                    auto* ia_sem = Sem().Get(index_accessors[i]);

            
                    ASSERT_NE(ia_sem, nullptr);

            
                    ASSERT_NE(ia_sem->ConstantValue(), nullptr);

            
                    EXPECT_EQ(ia_sem->ConstantValue()->ValueAs<AInt>(), i);

            
                }

            
            }

            
            template <typename T>

            
            std::vector<Case> ArrayAccessCases() {

            
                if constexpr (std::is_same_v<T, bool>) {

            
                    return {

            
                        C(Array(false, true)),

            
                    };

            
                } else {

            
                    return {

            
                        C(Array(T(0))),                          //

            
                        C(Array(T(0), T(1))),                    //

            
                        C(Array(T(0), T(1), T(2))),              //

            
                        C(Array(T(0), T(1), T(2), T(3))),        //

            
                        C(Array(T(0), T(1), T(2), T(3), T(4))),  //

            
                    };

            
                }

            
            }

            
            INSTANTIATE_TEST_SUITE_P(  //

            
                ArrayAccess,

            
                ResolverConstEvalArrayAccessTest,

            
                testing::ValuesIn(Concat(ArrayAccessCases<AInt>(),    //

            
                                         ArrayAccessCases<AFloat>(),  //

            
                                         ArrayAccessCases<i32>(),     //

            
                                         ArrayAccessCases<u32>(),     //

            
                                         ArrayAccessCases<f32>(),     //

            
                                         ArrayAccessCases<f16>(),     //

            
                                         ArrayAccessCases<bool>())));

            
            }  // namespace ArrayAccess


            namespace VectorAccess {

            
            struct Case {

            
                Value input;

            
            };

            
            static Case C(Value input) {

            
                return Case{std::move(input)};

            
            }

            
            static std::ostream& operator<<(std::ostream& o, const Case& c) {

            
                return o << "input: " << c.input;

            
            }


            using ResolverConstEvalVectorAccessTest = ResolverTestWithParam<Case>;

            
            TEST_P(ResolverConstEvalVectorAccessTest, Test) {

            
                Enable(builtin::Extension::kF16);


                auto& param = GetParam();

            
                auto* expr = param.input.Expr(*this);

            
                auto* a = Const("a", expr);


                utils::Vector<const ast::IndexAccessorExpression*, 4> index_accessors;

            
                for (size_t i = 0; i < param.input.args.Length(); ++i) {

            
                    auto* index = IndexAccessor("a", Expr(i32(i)));

            
                    index_accessors.Push(index);

            
                }


                utils::Vector<const ast::Statement*, 5> stmts;

            
                stmts.Push(WrapInStatement(a));

            
                for (auto* ia : index_accessors) {

            
                    stmts.Push(WrapInStatement(ia));

            
                }

            
                WrapInFunction(std::move(stmts));


                EXPECT_TRUE(r()->Resolve()) << r()->error();


                auto* sem = Sem().GetVal(expr);

            
                ASSERT_NE(sem, nullptr);

            
                auto* vec = sem->Type()->As<type::Vector>();

            
                ASSERT_NE(vec, nullptr);


                EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());

            
                for (size_t i = 0; i < index_accessors.Length(); ++i) {

            
                    auto* ia_sem = Sem().Get(index_accessors[i]);

            
                    ASSERT_NE(ia_sem, nullptr);

            
                    ASSERT_NE(ia_sem->ConstantValue(), nullptr);

            
                    EXPECT_EQ(ia_sem->ConstantValue()->ValueAs<AInt>(), i);

            
                }

            
            }

            
            template <typename T>

            
            std::vector<Case> VectorAccessCases() {

            
                if constexpr (std::is_same_v<T, bool>) {

            
                    return {

            
                        C(Vec(false, true)),

            
                    };

            
                } else {

            
                    return {

            
                        C(Vec(T(0), T(1))),              //

            
                        C(Vec(T(0), T(1), T(2))),        //

            
                        C(Vec(T(0), T(1), T(2), T(3))),  //

            
                    };

            
                }

            
            }

            
            INSTANTIATE_TEST_SUITE_P(  //

            
                VectorAccess,

            
                ResolverConstEvalVectorAccessTest,

            
                testing::ValuesIn(Concat(VectorAccessCases<AInt>(),    //

            
                                         VectorAccessCases<AFloat>(),  //

            
                                         VectorAccessCases<i32>(),     //

            
                                         VectorAccessCases<u32>(),     //

            
                                         VectorAccessCases<f32>(),     //

            
                                         VectorAccessCases<f16>(),     //

            
                                         VectorAccessCases<bool>())));

            
            }  // namespace VectorAccess


            }  // namespace

            
            }  // namespace tint::resolver
	// Copyright 2022 The Tint Authors.
	//
	// 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.

	#include "src/tint/resolver/const_eval_test.h"

	using namespace tint::number_suffixes; // NOLINT

	namespace tint::resolver {
	namespace {

	TEST_F(ResolverConstEvalTest, StructMemberAccess) {
	Structure("Inner", utils::Vector{
	Member("i1", ty.i32()),
	Member("i2", ty.u32()),
	Member("i3", ty.f32()),
	Member("i4", ty.bool_()),
	});

	Structure("Outer", utils::Vector{
	Member("o1", ty("Inner")),
	Member("o2", ty("Inner")),
	});
	auto* outer_expr = Call("Outer", //
	Call("Inner", 1_i, 2_u, 3_f, true), Call("Inner"));
	auto* o1_expr = MemberAccessor(outer_expr, "o1");
	auto* i2_expr = MemberAccessor(o1_expr, "i2");
	WrapInFunction(i2_expr);

	EXPECT_TRUE(r()->Resolve()) << r()->error();

	auto* outer = Sem().Get(outer_expr);
	ASSERT_NE(outer, nullptr);
	auto* str = outer->Type()->As<sem::Struct>();
	ASSERT_NE(str, nullptr);
	EXPECT_EQ(str->Members().Length(), 2u);
	ASSERT_NE(outer->ConstantValue(), nullptr);
	EXPECT_TYPE(outer->ConstantValue()->Type(), outer->Type());
	EXPECT_TRUE(outer->ConstantValue()->AnyZero());
	EXPECT_FALSE(outer->ConstantValue()->AllZero());

	auto* o1 = Sem().Get(o1_expr);
	ASSERT_NE(o1->ConstantValue(), nullptr);
	EXPECT_FALSE(o1->ConstantValue()->AnyZero());
	EXPECT_FALSE(o1->ConstantValue()->AllZero());
	EXPECT_TRUE(o1->ConstantValue()->Type()->Is<sem::Struct>());
	EXPECT_EQ(o1->ConstantValue()->Index(0)->ValueAs<i32>(), 1_i);
	EXPECT_EQ(o1->ConstantValue()->Index(1)->ValueAs<u32>(), 2_u);
	EXPECT_EQ(o1->ConstantValue()->Index(2)->ValueAs<f32>(), 3_f);
	EXPECT_EQ(o1->ConstantValue()->Index(2)->ValueAs<bool>(), true);

	auto* i2 = Sem().Get(i2_expr);
	ASSERT_NE(i2->ConstantValue(), nullptr);
	EXPECT_FALSE(i2->ConstantValue()->AnyZero());
	EXPECT_FALSE(i2->ConstantValue()->AllZero());
	EXPECT_TRUE(i2->ConstantValue()->Type()->Is<type::U32>());
	EXPECT_EQ(i2->ConstantValue()->ValueAs<u32>(), 2_u);
	}

	TEST_F(ResolverConstEvalTest, Matrix_AFloat_Construct_From_AInt_Vectors) {
	auto* c = Const("a", Call(ty.mat2x2<Infer>(), //
	Call(ty.vec<Infer>(2), Expr(1_a), Expr(2_a)),
	Call(ty.vec<Infer>(2), Expr(3_a), Expr(4_a))));
	WrapInFunction(c);

	EXPECT_TRUE(r()->Resolve()) << r()->error();

	auto* sem = Sem().Get(c);
	ASSERT_NE(sem, nullptr);
	EXPECT_TRUE(sem->Type()->Is<type::Matrix>());
	auto* cv = sem->ConstantValue();
	EXPECT_TYPE(cv->Type(), sem->Type());
	EXPECT_TRUE(cv->Index(0)->Type()->Is<type::Vector>());
	EXPECT_TRUE(cv->Index(0)->Index(0)->Type()->Is<type::AbstractFloat>());
	EXPECT_FALSE(cv->AnyZero());
	EXPECT_FALSE(cv->AllZero());
	auto* c0 = cv->Index(0);
	auto* c1 = cv->Index(1);
	EXPECT_EQ(c0->Index(0)->ValueAs<AFloat>(), 1.0);
	EXPECT_EQ(c0->Index(1)->ValueAs<AFloat>(), 2.0);
	EXPECT_EQ(c1->Index(0)->ValueAs<AFloat>(), 3.0);
	EXPECT_EQ(c1->Index(1)->ValueAs<AFloat>(), 4.0);
	}

	TEST_F(ResolverConstEvalTest, MatrixMemberAccess_AFloat) {
	auto* c = Const("a", Call(ty.mat2x3<Infer>(), //
	Call(ty.vec3<Infer>(), Expr(1.0_a), Expr(2.0_a), Expr(3.0_a)),
	Call(ty.vec3<Infer>(), Expr(4.0_a), Expr(5.0_a), Expr(6.0_a))));

	auto* col_0 = Const("col_0", IndexAccessor("a", Expr(0_i)));
	auto* col_1 = Const("col_1", IndexAccessor("a", Expr(1_i)));
	auto* e00 = Const("e00", IndexAccessor("col_0", Expr(0_i)));
	auto* e01 = Const("e01", IndexAccessor("col_0", Expr(1_i)));
	auto* e02 = Const("e02", IndexAccessor("col_0", Expr(2_i)));
	auto* e10 = Const("e10", IndexAccessor("col_1", Expr(0_i)));
	auto* e11 = Const("e11", IndexAccessor("col_1", Expr(1_i)));
	auto* e12 = Const("e12", IndexAccessor("col_1", Expr(2_i)));

	(void)col_0;
	(void)col_1;

	WrapInFunction(c, col_0, col_1, e00, e01, e02, e10, e11, e12);

	EXPECT_TRUE(r()->Resolve()) << r()->error();

	auto* sem = Sem().Get(c);
	ASSERT_NE(sem, nullptr);
	EXPECT_TRUE(sem->Type()->Is<type::Matrix>());
	auto* cv = sem->ConstantValue();
	EXPECT_TYPE(cv->Type(), sem->Type());
	EXPECT_TRUE(cv->Index(0)->Type()->Is<type::Vector>());
	EXPECT_TRUE(cv->Index(0)->Index(0)->Type()->Is<type::AbstractFloat>());
	EXPECT_FALSE(cv->AnyZero());
	EXPECT_FALSE(cv->AllZero());

	auto* sem_col0 = Sem().Get(col_0);
	ASSERT_NE(sem_col0, nullptr);
	EXPECT_TRUE(sem_col0->Type()->Is<type::Vector>());
	EXPECT_EQ(sem_col0->ConstantValue()->Index(0)->ValueAs<AFloat>(), 1.0);
	EXPECT_EQ(sem_col0->ConstantValue()->Index(1)->ValueAs<AFloat>(), 2.0);
	EXPECT_EQ(sem_col0->ConstantValue()->Index(2)->ValueAs<AFloat>(), 3.0);

	auto* sem_col1 = Sem().Get(col_1);
	ASSERT_NE(sem_col1, nullptr);
	EXPECT_TRUE(sem_col1->Type()->Is<type::Vector>());
	EXPECT_EQ(sem_col1->ConstantValue()->Index(0)->ValueAs<AFloat>(), 4.0);
	EXPECT_EQ(sem_col1->ConstantValue()->Index(1)->ValueAs<AFloat>(), 5.0);
	EXPECT_EQ(sem_col1->ConstantValue()->Index(2)->ValueAs<AFloat>(), 6.0);

	auto* sem_e00 = Sem().Get(e00);
	ASSERT_NE(sem_e00, nullptr);
	EXPECT_TRUE(sem_e00->Type()->Is<type::AbstractFloat>());
	EXPECT_EQ(sem_e00->ConstantValue()->ValueAs<AFloat>(), 1.0);

	auto* sem_e01 = Sem().Get(e01);
	ASSERT_NE(sem_e01, nullptr);
	EXPECT_TRUE(sem_e01->Type()->Is<type::AbstractFloat>());
	EXPECT_EQ(sem_e01->ConstantValue()->ValueAs<AFloat>(), 2.0);

	auto* sem_e02 = Sem().Get(e02);
	ASSERT_NE(sem_e02, nullptr);
	EXPECT_TRUE(sem_e02->Type()->Is<type::AbstractFloat>());
	EXPECT_EQ(sem_e02->ConstantValue()->ValueAs<AFloat>(), 3.0);

	auto* sem_e10 = Sem().Get(e10);
	ASSERT_NE(sem_e10, nullptr);
	EXPECT_TRUE(sem_e10->Type()->Is<type::AbstractFloat>());
	EXPECT_EQ(sem_e10->ConstantValue()->ValueAs<AFloat>(), 4.0);

	auto* sem_e11 = Sem().Get(e11);
	ASSERT_NE(sem_e11, nullptr);
	EXPECT_TRUE(sem_e11->Type()->Is<type::AbstractFloat>());
	EXPECT_EQ(sem_e11->ConstantValue()->ValueAs<AFloat>(), 5.0);

	auto* sem_e12 = Sem().Get(e12);
	ASSERT_NE(sem_e12, nullptr);
	EXPECT_TRUE(sem_e12->Type()->Is<type::AbstractFloat>());
	EXPECT_EQ(sem_e12->ConstantValue()->ValueAs<AFloat>(), 6.0);
	}

	TEST_F(ResolverConstEvalTest, MatrixMemberAccess_f32) {
	auto* c = Const("a", Call(ty.mat2x3<Infer>(), //
	Call(ty.vec3<Infer>(), Expr(1.0_f), Expr(2.0_f), Expr(3.0_f)),
	Call(ty.vec3<Infer>(), Expr(4.0_f), Expr(5.0_f), Expr(6.0_f))));

	auto* col_0 = Const("col_0", IndexAccessor("a", Expr(0_i)));
	auto* col_1 = Const("col_1", IndexAccessor("a", Expr(1_i)));
	auto* e00 = Const("e00", IndexAccessor("col_0", Expr(0_i)));
	auto* e01 = Const("e01", IndexAccessor("col_0", Expr(1_i)));
	auto* e02 = Const("e02", IndexAccessor("col_0", Expr(2_i)));
	auto* e10 = Const("e10", IndexAccessor("col_1", Expr(0_i)));
	auto* e11 = Const("e11", IndexAccessor("col_1", Expr(1_i)));
	auto* e12 = Const("e12", IndexAccessor("col_1", Expr(2_i)));

	(void)col_0;
	(void)col_1;

	WrapInFunction(c, col_0, col_1, e00, e01, e02, e10, e11, e12);

	EXPECT_TRUE(r()->Resolve()) << r()->error();

	auto* sem = Sem().Get(c);
	ASSERT_NE(sem, nullptr);
	EXPECT_TRUE(sem->Type()->Is<type::Matrix>());
	auto* cv = sem->ConstantValue();
	EXPECT_TYPE(cv->Type(), sem->Type());
	EXPECT_TRUE(cv->Index(0)->Type()->Is<type::Vector>());
	EXPECT_TRUE(cv->Index(0)->Index(0)->Type()->Is<type::F32>());
	EXPECT_FALSE(cv->AnyZero());
	EXPECT_FALSE(cv->AllZero());

	auto* sem_col0 = Sem().Get(col_0);
	ASSERT_NE(sem_col0, nullptr);
	EXPECT_TRUE(sem_col0->Type()->Is<type::Vector>());
	EXPECT_EQ(sem_col0->ConstantValue()->Index(0)->ValueAs<f32>(), 1.0f);
	EXPECT_EQ(sem_col0->ConstantValue()->Index(1)->ValueAs<f32>(), 2.0f);
	EXPECT_EQ(sem_col0->ConstantValue()->Index(2)->ValueAs<f32>(), 3.0f);

	auto* sem_col1 = Sem().Get(col_1);
	ASSERT_NE(sem_col1, nullptr);
	EXPECT_TRUE(sem_col1->Type()->Is<type::Vector>());
	EXPECT_EQ(sem_col1->ConstantValue()->Index(0)->ValueAs<f32>(), 4.0f);
	EXPECT_EQ(sem_col1->ConstantValue()->Index(1)->ValueAs<f32>(), 5.0f);
	EXPECT_EQ(sem_col1->ConstantValue()->Index(2)->ValueAs<f32>(), 6.0f);

	auto* sem_e00 = Sem().Get(e00);
	ASSERT_NE(sem_e00, nullptr);
	EXPECT_TRUE(sem_e00->Type()->Is<type::F32>());
	EXPECT_EQ(sem_e00->ConstantValue()->ValueAs<f32>(), 1.0f);

	auto* sem_e01 = Sem().Get(e01);
	ASSERT_NE(sem_e01, nullptr);
	EXPECT_TRUE(sem_e01->Type()->Is<type::F32>());
	EXPECT_EQ(sem_e01->ConstantValue()->ValueAs<f32>(), 2.0f);

	auto* sem_e02 = Sem().Get(e02);
	ASSERT_NE(sem_e02, nullptr);
	EXPECT_TRUE(sem_e02->Type()->Is<type::F32>());
	EXPECT_EQ(sem_e02->ConstantValue()->ValueAs<f32>(), 3.0f);

	auto* sem_e10 = Sem().Get(e10);
	ASSERT_NE(sem_e10, nullptr);
	EXPECT_TRUE(sem_e10->Type()->Is<type::F32>());
	EXPECT_EQ(sem_e10->ConstantValue()->ValueAs<f32>(), 4.0f);

	auto* sem_e11 = Sem().Get(e11);
	ASSERT_NE(sem_e11, nullptr);
	EXPECT_TRUE(sem_e11->Type()->Is<type::F32>());
	EXPECT_EQ(sem_e11->ConstantValue()->ValueAs<f32>(), 5.0f);

	auto* sem_e12 = Sem().Get(e12);
	ASSERT_NE(sem_e12, nullptr);
	EXPECT_TRUE(sem_e12->Type()->Is<type::F32>());
	EXPECT_EQ(sem_e12->ConstantValue()->ValueAs<f32>(), 6.0f);
	}

	namespace ArrayAccess {
	struct Case {
	Value input;
	};
	static Case C(Value input) {
	return Case{std::move(input)};
	}
	static std::ostream& operator<<(std::ostream& o, const Case& c) {
	return o << "input: " << c.input;
	}

	using ResolverConstEvalArrayAccessTest = ResolverTestWithParam<Case>;
	TEST_P(ResolverConstEvalArrayAccessTest, Test) {
	Enable(builtin::Extension::kF16);

	auto& param = GetParam();
	auto* expr = param.input.Expr(*this);
	auto* a = Const("a", expr);

	utils::Vector<const ast::IndexAccessorExpression*, 4> index_accessors;
	for (size_t i = 0; i < param.input.args.Length(); ++i) {
	auto* index = IndexAccessor("a", Expr(i32(i)));
	index_accessors.Push(index);
	}

	utils::Vector<const ast::Statement*, 5> stmts;
	stmts.Push(WrapInStatement(a));
	for (auto* ia : index_accessors) {
	stmts.Push(WrapInStatement(ia));
	}
	WrapInFunction(std::move(stmts));

	EXPECT_TRUE(r()->Resolve()) << r()->error();

	auto* sem = Sem().GetVal(expr);
	ASSERT_NE(sem, nullptr);
	auto* arr = sem->Type()->As<type::Array>();
	ASSERT_NE(arr, nullptr);

	EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
	for (size_t i = 0; i < index_accessors.Length(); ++i) {
	auto* ia_sem = Sem().Get(index_accessors[i]);
	ASSERT_NE(ia_sem, nullptr);
	ASSERT_NE(ia_sem->ConstantValue(), nullptr);
	EXPECT_EQ(ia_sem->ConstantValue()->ValueAs<AInt>(), i);
	}
	}
	template <typename T>
	std::vector<Case> ArrayAccessCases() {
	if constexpr (std::is_same_v<T, bool>) {
	return {
	C(Array(false, true)),
	};
	} else {
	return {
	C(Array(T(0))), //
	C(Array(T(0), T(1))), //
	C(Array(T(0), T(1), T(2))), //
	C(Array(T(0), T(1), T(2), T(3))), //
	C(Array(T(0), T(1), T(2), T(3), T(4))), //
	};
	}
	}
	INSTANTIATE_TEST_SUITE_P( //
	ArrayAccess,
	ResolverConstEvalArrayAccessTest,
	testing::ValuesIn(Concat(ArrayAccessCases<AInt>(), //
	ArrayAccessCases<AFloat>(), //
	ArrayAccessCases<i32>(), //
	ArrayAccessCases<u32>(), //
	ArrayAccessCases<f32>(), //
	ArrayAccessCases<f16>(), //
	ArrayAccessCases<bool>())));
	} // namespace ArrayAccess

	namespace VectorAccess {
	struct Case {
	Value input;
	};
	static Case C(Value input) {
	return Case{std::move(input)};
	}
	static std::ostream& operator<<(std::ostream& o, const Case& c) {
	return o << "input: " << c.input;
	}

	using ResolverConstEvalVectorAccessTest = ResolverTestWithParam<Case>;
	TEST_P(ResolverConstEvalVectorAccessTest, Test) {
	Enable(builtin::Extension::kF16);

	auto& param = GetParam();
	auto* expr = param.input.Expr(*this);
	auto* a = Const("a", expr);

	utils::Vector<const ast::IndexAccessorExpression*, 4> index_accessors;
	for (size_t i = 0; i < param.input.args.Length(); ++i) {
	auto* index = IndexAccessor("a", Expr(i32(i)));
	index_accessors.Push(index);
	}

	utils::Vector<const ast::Statement*, 5> stmts;
	stmts.Push(WrapInStatement(a));
	for (auto* ia : index_accessors) {
	stmts.Push(WrapInStatement(ia));
	}
	WrapInFunction(std::move(stmts));

	EXPECT_TRUE(r()->Resolve()) << r()->error();

	auto* sem = Sem().GetVal(expr);
	ASSERT_NE(sem, nullptr);
	auto* vec = sem->Type()->As<type::Vector>();
	ASSERT_NE(vec, nullptr);

	EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
	for (size_t i = 0; i < index_accessors.Length(); ++i) {
	auto* ia_sem = Sem().Get(index_accessors[i]);
	ASSERT_NE(ia_sem, nullptr);
	ASSERT_NE(ia_sem->ConstantValue(), nullptr);
	EXPECT_EQ(ia_sem->ConstantValue()->ValueAs<AInt>(), i);
	}
	}
	template <typename T>
	std::vector<Case> VectorAccessCases() {
	if constexpr (std::is_same_v<T, bool>) {
	return {
	C(Vec(false, true)),
	};
	} else {
	return {
	C(Vec(T(0), T(1))), //
	C(Vec(T(0), T(1), T(2))), //
	C(Vec(T(0), T(1), T(2), T(3))), //
	};
	}
	}
	INSTANTIATE_TEST_SUITE_P( //
	VectorAccess,
	ResolverConstEvalVectorAccessTest,
	testing::ValuesIn(Concat(VectorAccessCases<AInt>(), //
	VectorAccessCases<AFloat>(), //
	VectorAccessCases<i32>(), //
	VectorAccessCases<u32>(), //
	VectorAccessCases<f32>(), //
	VectorAccessCases<f16>(), //
	VectorAccessCases<bool>())));
	} // namespace VectorAccess

	} // namespace
	} // namespace tint::resolver