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// 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.type_name("Inner")),
Member("o2", ty.type_name("Inner")),
});
auto* outer_expr = Construct(ty.type_name("Outer"), //
Construct(ty.type_name("Inner"), 1_i, 2_u, 3_f, true),
Construct(ty.type_name("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_FALSE(outer->ConstantValue()->AllEqual());
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()->AllEqual());
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_TRUE(i2->ConstantValue()->AllEqual());
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", Construct(ty.mat(nullptr, 2, 2), //
Construct(ty.vec(nullptr, 2), Expr(1_a), Expr(2_a)),
Construct(ty.vec(nullptr, 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->AllEqual());
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", Construct(ty.mat(nullptr, 2, 3), //
Construct(ty.vec(nullptr, 3), Expr(1.0_a), Expr(2.0_a), Expr(3.0_a)),
Construct(ty.vec(nullptr, 3), 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->AllEqual());
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", Construct(ty.mat(nullptr, 2, 3), //
Construct(ty.vec(nullptr, 3), Expr(1.0_f), Expr(2.0_f), Expr(3.0_f)),
Construct(ty.vec(nullptr, 3), 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->AllEqual());
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(ast::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().Get(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(ast::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().Get(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