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// Copyright 2022 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
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//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
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//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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#include "src/tint/lang/wgsl/sem/materialize.h"
#include "src/tint/lang/core/type/helper_test.h"
#include "src/tint/lang/wgsl/resolver/resolver.h"
#include "src/tint/lang/wgsl/resolver/resolver_helper_test.h"
#include "src/tint/lang/wgsl/sem/array.h"
#include "src/tint/utils/rtti/switch.h"
#include "gmock/gmock.h"
namespace tint::resolver {
namespace {
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
using AFloatV = vec3<AFloat>;
using AFloatM = mat3x2<AFloat>;
using AFloatA = array<AFloat, 3>;
using AIntV = vec3<AInt>;
using AIntA = array<AInt, 3>;
using f32V = vec3<f32>;
using f16V = vec3<f16>;
using i32V = vec3<i32>;
using u32V = vec3<u32>;
using f32M = mat3x2<f32>;
using f16M = mat3x2<f16>;
using f32A = array<f32, 3>;
using f16A = array<f16, 3>;
using i32A = array<i32, 3>;
using u32A = array<u32, 3>;
constexpr double kTooBigF32 = static_cast<double>(3.5e+38);
constexpr double kTooBigF16 = static_cast<double>(6.6e+4);
constexpr double kPiF64 = 3.141592653589793;
constexpr double kPiF32 = 3.1415927410125732; // kPiF64 quantized to f32
constexpr double kPiF16 = 3.140625; // kPiF64 quantized to f16
constexpr double kSubnormalF32 = 0x1.0p-128;
constexpr double kSubnormalF16 = 0x1.0p-16;
enum class Expectation {
kMaterialize,
kNoMaterialize,
kInvalidConversion,
kValueCannotBeRepresented,
};
static std::ostream& operator<<(std::ostream& o, Expectation m) {
switch (m) {
case Expectation::kMaterialize:
return o << "materialize";
case Expectation::kNoMaterialize:
return o << "no-materialize";
case Expectation::kInvalidConversion:
return o << "invalid-conversion";
case Expectation::kValueCannotBeRepresented:
return o << "value cannot be represented";
}
return o << "<unknown>";
}
template <typename CASE>
class MaterializeTest : public resolver::ResolverTestWithParam<CASE> {
protected:
void CheckTypesAndValues(const sem::ValueExpression* expr,
const tint::core::type::Type* expected_sem_ty,
const std::variant<AInt, AFloat>& expected_value) {
std::visit([&](auto v) { CheckTypesAndValuesImpl(expr, expected_sem_ty, v); },
expected_value);
}
private:
template <typename T>
void CheckTypesAndValuesImpl(const sem::ValueExpression* expr,
const tint::core::type::Type* expected_sem_ty,
T expected_value) {
EXPECT_TYPE(expr->Type(), expected_sem_ty);
auto* value = expr->ConstantValue();
ASSERT_NE(value, nullptr);
EXPECT_TYPE(expr->Type(), value->Type());
tint::Switch(
expected_sem_ty, //
[&](const core::type::Vector* v) {
for (uint32_t i = 0; i < v->Width(); i++) {
auto* el = value->Index(i);
ASSERT_NE(el, nullptr);
EXPECT_TYPE(el->Type(), v->type());
EXPECT_EQ(el->ValueAs<T>(), expected_value);
}
},
[&](const core::type::Matrix* m) {
for (uint32_t c = 0; c < m->columns(); c++) {
auto* column = value->Index(c);
ASSERT_NE(column, nullptr);
EXPECT_TYPE(column->Type(), m->ColumnType());
for (uint32_t r = 0; r < m->rows(); r++) {
auto* el = column->Index(r);
ASSERT_NE(el, nullptr);
EXPECT_TYPE(el->Type(), m->type());
EXPECT_EQ(el->ValueAs<T>(), expected_value);
}
}
},
[&](const sem::Array* a) {
auto count = a->ConstantCount();
ASSERT_NE(count, 0u);
for (uint32_t i = 0; i < count; i++) {
auto* el = value->Index(i);
ASSERT_NE(el, nullptr);
EXPECT_TYPE(el->Type(), a->ElemType());
EXPECT_EQ(el->ValueAs<T>(), expected_value);
}
},
[&](Default) { EXPECT_EQ(value->ValueAs<T>(), expected_value); });
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// MaterializeAbstractNumericToConcreteType
// Tests that an abstract-numeric will materialize to the expected concrete type
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace materialize_abstract_numeric_to_concrete_type {
// How should the materialization occur?
enum class Method {
// var a : target_type = abstract_expr;
kVar,
// let a : target_type = abstract_expr;
kLet,
// var a : target_type;
// a = abstract_expr;
kAssign,
// _ = abstract_expr;
kPhonyAssign,
// fn F(v : target_type) {}
// fn x() {
// F(abstract_expr);
// }
kFnArg,
// min(target_expr, abstract_expr);
kBuiltinArg,
// fn F() : target_type {
// return abstract_expr;
// }
kReturn,
// array<target_type, 1>(abstract_expr);
kArray,
// struct S {
// v : target_type
// };
// fn x() {
// _ = S(abstract_expr)
// }
kStruct,
// target_expr + abstract_expr
kBinaryOp,
// switch (abstract_expr) {
// case target_expr: {}
// default: {}
// }
kSwitchCond,
// switch (target_expr) {
// case abstract_expr: {}
// default: {}
// }
kSwitchCase,
// switch (abstract_expr) {
// case 123: {}
// case target_expr: {}
// default: {}
// }
kSwitchCondWithAbstractCase,
// switch (target_expr) {
// case 123: {}
// case abstract_expr: {}
// default: {}
// }
kSwitchCaseWithAbstractCase,
// @workgroup_size(target_expr, abstract_expr, 123)
// @compute
// fn f() {}
kWorkgroupSize,
// abstract_expr[runtime-index]
kRuntimeIndex,
// var a : target_type;
// a += abstract_expr;
kCompoundAssign,
};
static std::ostream& operator<<(std::ostream& o, Method m) {
switch (m) {
case Method::kVar:
return o << "var";
case Method::kLet:
return o << "let";
case Method::kAssign:
return o << "assign";
case Method::kPhonyAssign:
return o << "phony-assign";
case Method::kFnArg:
return o << "fn-arg";
case Method::kBuiltinArg:
return o << "builtin-arg";
case Method::kReturn:
return o << "return";
case Method::kArray:
return o << "array";
case Method::kStruct:
return o << "struct";
case Method::kBinaryOp:
return o << "binary-op";
case Method::kSwitchCond:
return o << "switch-cond";
case Method::kSwitchCase:
return o << "switch-case";
case Method::kSwitchCondWithAbstractCase:
return o << "switch-cond-with-abstract";
case Method::kSwitchCaseWithAbstractCase:
return o << "switch-case-with-abstract";
case Method::kWorkgroupSize:
return o << "workgroup-size";
case Method::kRuntimeIndex:
return o << "runtime-index";
case Method::kCompoundAssign:
return o << "compound-assign";
}
return o << "<unknown>";
}
struct Data {
std::string target_type_name;
std::string target_element_type_name;
builder::ast_type_func_ptr target_ast_ty;
builder::sem_type_func_ptr target_sem_ty;
builder::ast_expr_from_double_func_ptr target_expr;
std::string abstract_type_name;
builder::ast_expr_from_double_func_ptr abstract_expr;
std::variant<AInt, AFloat> materialized_value;
double literal_value;
};
template <typename TARGET_TYPE, typename ABSTRACT_TYPE, typename MATERIALIZED_TYPE>
Data Types(MATERIALIZED_TYPE materialized_value, double literal_value) {
using TargetDataType = builder::DataType<TARGET_TYPE>;
using AbstractDataType = builder::DataType<ABSTRACT_TYPE>;
using TargetElementDataType = builder::DataType<typename TargetDataType::ElementType>;
return {
TargetDataType::Name(), // target_type_name
TargetElementDataType::Name(), // target_element_type_name
TargetDataType::AST, // target_ast_ty
TargetDataType::Sem, // target_sem_ty
TargetDataType::ExprFromDouble, // target_expr
AbstractDataType::Name(), // abstract_type_name
AbstractDataType::ExprFromDouble, // abstract_expr
materialized_value,
literal_value,
};
}
template <typename TARGET_TYPE, typename ABSTRACT_TYPE>
Data Types() {
using TargetDataType = builder::DataType<TARGET_TYPE>;
using AbstractDataType = builder::DataType<ABSTRACT_TYPE>;
using TargetElementDataType = builder::DataType<typename TargetDataType::ElementType>;
return {
TargetDataType::Name(), // target_type_name
TargetElementDataType::Name(), // target_element_type_name
TargetDataType::AST, // target_ast_ty
TargetDataType::Sem, // target_sem_ty
TargetDataType::ExprFromDouble, // target_expr
AbstractDataType::Name(), // abstract_type_name
AbstractDataType::ExprFromDouble, // abstract_expr
0_a,
0.0,
};
}
static std::ostream& operator<<(std::ostream& o, const Data& c) {
auto print_value = [&](auto&& v) { o << v; };
o << "[" << c.target_type_name << " <- " << c.abstract_type_name << "] [";
std::visit(print_value, c.materialized_value);
o << " <- " << c.literal_value << "]";
return o;
}
using MaterializeAbstractNumericToConcreteType =
MaterializeTest<std::tuple<Expectation, Method, Data>>;
TEST_P(MaterializeAbstractNumericToConcreteType, Test) {
Enable(wgsl::Extension::kF16);
const auto& param = GetParam();
const auto& expectation = std::get<0>(param);
const auto& method = std::get<1>(param);
const auto& data = std::get<2>(param);
auto target_ty = [&] { return data.target_ast_ty(*this); };
auto target_expr = [&] { return data.target_expr(*this, 42); };
auto* abstract_expr = data.abstract_expr(*this, data.literal_value);
switch (method) {
case Method::kVar:
WrapInFunction(Decl(Var("a", target_ty(), abstract_expr)));
break;
case Method::kLet:
WrapInFunction(Decl(Let("a", target_ty(), abstract_expr)));
break;
case Method::kAssign:
WrapInFunction(Decl(Var("a", target_ty())), Assign("a", abstract_expr));
break;
case Method::kPhonyAssign:
WrapInFunction(Assign(Phony(), abstract_expr));
break;
case Method::kFnArg:
Func("F", Vector{Param("P", target_ty())}, ty.void_(), tint::Empty);
WrapInFunction(CallStmt(Call("F", abstract_expr)));
break;
case Method::kBuiltinArg:
WrapInFunction(Assign(Phony(), Call("min", target_expr(), abstract_expr)));
break;
case Method::kReturn:
Func("F", tint::Empty, target_ty(), Vector{Return(abstract_expr)});
break;
case Method::kArray:
WrapInFunction(Call(ty.array(target_ty(), 1_i), abstract_expr));
break;
case Method::kStruct:
Structure("S", Vector{Member("v", target_ty())});
WrapInFunction(Call("S", abstract_expr));
break;
case Method::kBinaryOp: {
// Add 0 to ensure no overflow with max float values
auto binary_target_expr = data.target_expr(*this, 0);
WrapInFunction(Add(binary_target_expr, abstract_expr));
} break;
case Method::kSwitchCond:
WrapInFunction(
Switch(abstract_expr, //
Case(CaseSelector(target_expr()->As<ast::IntLiteralExpression>())), //
DefaultCase()));
break;
case Method::kSwitchCase:
WrapInFunction(
Switch(target_expr(), //
Case(CaseSelector(abstract_expr->As<ast::IntLiteralExpression>())), //
DefaultCase()));
break;
case Method::kSwitchCondWithAbstractCase:
WrapInFunction(
Switch(abstract_expr, //
Case(CaseSelector(123_a)), //
Case(CaseSelector(target_expr()->As<ast::IntLiteralExpression>())), //
DefaultCase()));
break;
case Method::kSwitchCaseWithAbstractCase:
WrapInFunction(
Switch(target_expr(), //
Case(CaseSelector(123_a)), //
Case(CaseSelector(abstract_expr->As<ast::IntLiteralExpression>())), //
DefaultCase()));
break;
case Method::kWorkgroupSize:
Func("f", tint::Empty, ty.void_(), tint::Empty,
Vector{WorkgroupSize(target_expr(), abstract_expr, Expr(123_a)),
Stage(ast::PipelineStage::kCompute)});
break;
case Method::kRuntimeIndex: {
auto* runtime_index = Var("runtime_index", Expr(1_i));
WrapInFunction(runtime_index, IndexAccessor(abstract_expr, runtime_index));
break;
}
case Method::kCompoundAssign:
WrapInFunction(Decl(Var("a", target_ty())),
CompoundAssign("a", abstract_expr, core::BinaryOp::kAdd));
break;
}
switch (expectation) {
case Expectation::kMaterialize: {
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* materialize = Sem().Get<sem::Materialize>(abstract_expr);
ASSERT_NE(materialize, nullptr);
CheckTypesAndValues(materialize, data.target_sem_ty(*this), data.materialized_value);
break;
}
case Expectation::kNoMaterialize: {
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().GetVal(abstract_expr);
ASSERT_NE(sem, nullptr);
EXPECT_FALSE(sem->Is<sem::Materialize>());
CheckTypesAndValues(sem, data.target_sem_ty(*this), data.materialized_value);
break;
}
case Expectation::kInvalidConversion: {
ASSERT_FALSE(r()->Resolve());
std::string expect;
switch (method) {
case Method::kBuiltinArg:
expect = "error: no matching call to 'min(" + data.target_type_name + ", " +
data.abstract_type_name + ")'";
break;
case Method::kBinaryOp:
expect = "error: no matching overload for 'operator + (" +
data.target_type_name + ", " + data.abstract_type_name + ")'";
break;
case Method::kCompoundAssign:
expect = "error: no matching overload for 'operator += (" +
data.target_type_name + ", " + data.abstract_type_name + ")'";
break;
default:
expect = "error: cannot convert value of type '" + data.abstract_type_name +
"' to type '" + data.target_type_name + "'";
break;
}
EXPECT_THAT(r()->error(), testing::StartsWith(expect));
break;
}
case Expectation::kValueCannotBeRepresented:
ASSERT_FALSE(r()->Resolve());
EXPECT_THAT(r()->error(), testing::HasSubstr("cannot be represented as '" +
data.target_element_type_name + "'"));
break;
}
}
/// Methods that support scalar materialization
constexpr Method kScalarMethods[] = {
Method::kLet, Method::kVar, Method::kAssign, Method::kFnArg, Method::kBuiltinArg,
Method::kReturn, Method::kArray, Method::kStruct, Method::kBinaryOp, Method::kCompoundAssign,
};
/// Methods that support vector materialization
constexpr Method kVectorMethods[] = {
Method::kLet, Method::kVar, Method::kAssign, Method::kFnArg, Method::kBuiltinArg,
Method::kReturn, Method::kArray, Method::kStruct, Method::kBinaryOp, Method::kCompoundAssign,
};
/// Methods that support matrix materialization
constexpr Method kMatrixMethods[] = {
Method::kLet, Method::kVar, Method::kAssign, Method::kFnArg,
Method::kReturn, Method::kArray, Method::kStruct, Method::kBinaryOp,
};
/// Methods that support array materialization
constexpr Method kArrayMethods[] = {
Method::kLet, Method::kVar, Method::kAssign, Method::kFnArg,
Method::kReturn, Method::kArray, Method::kStruct,
};
/// Methods that support materialization for switch cases
constexpr Method kSwitchMethods[] = {
Method::kSwitchCond,
Method::kSwitchCase,
Method::kSwitchCondWithAbstractCase,
Method::kSwitchCaseWithAbstractCase,
};
/// Methods that do not materialize
constexpr Method kNoMaterializeMethods[] = {
Method::kPhonyAssign, //
Method::kBinaryOp,
};
/// Methods that do not materialize
constexpr Method kNoMaterializeScalarVectorMethods[] = {
Method::kPhonyAssign, //
Method::kBinaryOp,
Method::kBuiltinArg,
};
INSTANTIATE_TEST_SUITE_P(
MaterializeScalar,
MaterializeAbstractNumericToConcreteType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::ValuesIn(kScalarMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(0_a, 0.0), //
Types<i32, AInt>(1_a, 1.0), //
Types<i32, AInt>(-1_a, -1.0), //
Types<i32, AInt>(AInt(i32::Highest()), i32::Highest()), //
Types<i32, AInt>(AInt(i32::Lowest()), i32::Lowest()), //
Types<u32, AInt>(0_a, 0.0), //
Types<u32, AInt>(1_a, 1.0), //
Types<u32, AInt>(AInt(u32::Highest()), u32::Highest()), //
Types<u32, AInt>(AInt(u32::Lowest()), u32::Lowest()), //
Types<f32, AFloat>(0.0_a, 0.0), //
Types<f32, AFloat>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32, AFloat>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32, AFloat>(AFloat(kPiF32), kPiF64), //
Types<f32, AFloat>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32, AFloat>(AFloat(-kSubnormalF32), -kSubnormalF32), //
Types<f16, AFloat>(0.0_a, 0.0), //
Types<f16, AFloat>(1.0_a, 1.0), //
Types<f16, AFloat>(AFloat(f16::Highest()), static_cast<double>(f16::Highest())), //
Types<f16, AFloat>(AFloat(f16::Lowest()), static_cast<double>(f16::Lowest())), //
Types<f16, AFloat>(AFloat(kPiF16), kPiF64), //
Types<f16, AFloat>(AFloat(kSubnormalF16), kSubnormalF16), //
Types<f16, AFloat>(AFloat(-kSubnormalF16), -kSubnormalF16), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeVector,
MaterializeAbstractNumericToConcreteType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::ValuesIn(kVectorMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32V, AIntV>(0_a, 0.0), //
Types<i32V, AIntV>(1_a, 1.0), //
Types<i32V, AIntV>(-1_a, -1.0), //
Types<i32V, AIntV>(AInt(i32::Highest()), i32::Highest()), //
Types<i32V, AIntV>(AInt(i32::Lowest()), i32::Lowest()), //
Types<u32V, AIntV>(0_a, 0.0), //
Types<u32V, AIntV>(1_a, 1.0), //
Types<u32V, AIntV>(AInt(u32::Highest()), u32::Highest()), //
Types<u32V, AIntV>(AInt(u32::Lowest()), u32::Lowest()), //
Types<f32V, AFloatV>(0.0_a, 0.0), //
Types<f32V, AFloatV>(1.0_a, 1.0), //
Types<f32V, AFloatV>(-1.0_a, -1.0), //
Types<f32V, AFloatV>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32V, AFloatV>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32V, AFloatV>(AFloat(kPiF32), kPiF64), //
Types<f32V, AFloatV>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32V, AFloatV>(AFloat(-kSubnormalF32), -kSubnormalF32), //
Types<f16V, AFloatV>(0.0_a, 0.0), //
Types<f16V, AFloatV>(1.0_a, 1.0), //
Types<f16V, AFloatV>(-1.0_a, -1.0), //
Types<f16V, AFloatV>(AFloat(f16::Highest()), static_cast<double>(f16::Highest())), //
Types<f16V, AFloatV>(AFloat(f16::Lowest()), static_cast<double>(f16::Lowest())), //
Types<f16V, AFloatV>(AFloat(kPiF16), kPiF64), //
Types<f16V, AFloatV>(AFloat(kSubnormalF16), kSubnormalF16), //
Types<f16V, AFloatV>(AFloat(-kSubnormalF16), -kSubnormalF16), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeVectorRuntimeIndex,
MaterializeAbstractNumericToConcreteType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::Values(Method::kRuntimeIndex),
testing::ValuesIn(std::vector<Data>{
Types<i32V, AIntV>(0_a, 0.0), //
Types<i32V, AIntV>(1_a, 1.0), //
Types<i32V, AIntV>(-1_a, -1.0), //
Types<i32V, AIntV>(AInt(i32::Highest()), i32::Highest()), //
Types<i32V, AIntV>(AInt(i32::Lowest()), i32::Lowest()), //
Types<f32V, AFloatV>(0.0_a, 0.0), //
Types<f32V, AFloatV>(1.0_a, 1.0), //
Types<f32V, AFloatV>(-1.0_a, -1.0), //
Types<f32V, AFloatV>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32V, AFloatV>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32V, AFloatV>(AFloat(kPiF32), kPiF64), //
Types<f32V, AFloatV>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32V, AFloatV>(AFloat(-kSubnormalF32), -kSubnormalF32), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeMatrix,
MaterializeAbstractNumericToConcreteType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::ValuesIn(kMatrixMethods),
testing::ValuesIn(std::vector<Data>{
Types<f32M, AFloatM>(0.0_a, 0.0), //
Types<f32M, AFloatM>(1.0_a, 1.0), //
Types<f32M, AFloatM>(-1.0_a, -1.0), //
Types<f32M, AFloatM>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32M, AFloatM>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32M, AFloatM>(AFloat(kPiF32), kPiF64), //
Types<f32M, AFloatM>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32M, AFloatM>(AFloat(-kSubnormalF32), -kSubnormalF32), //
Types<f16M, AFloatM>(0.0_a, 0.0), //
Types<f16M, AFloatM>(1.0_a, 1.0), //
Types<f16M, AFloatM>(-1.0_a, -1.0), //
Types<f16M, AFloatM>(AFloat(f16::Highest()), static_cast<double>(f16::Highest())), //
Types<f16M, AFloatM>(AFloat(f16::Lowest()), static_cast<double>(f16::Lowest())), //
Types<f16M, AFloatM>(AFloat(kPiF16), kPiF64), //
Types<f16M, AFloatM>(AFloat(kSubnormalF16), kSubnormalF16), //
Types<f16M, AFloatM>(AFloat(-kSubnormalF16), -kSubnormalF16), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeMatrixRuntimeIndex,
MaterializeAbstractNumericToConcreteType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::Values(Method::kRuntimeIndex),
testing::ValuesIn(std::vector<Data>{
Types<f32M, AFloatM>(0.0_a, 0.0), //
Types<f32M, AFloatM>(1.0_a, 1.0), //
Types<f32M, AFloatM>(-1.0_a, -1.0), //
Types<f32M, AFloatM>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32M, AFloatM>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32M, AFloatM>(AFloat(kPiF32), kPiF64), //
Types<f32M, AFloatM>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32M, AFloatM>(AFloat(-kSubnormalF32), -kSubnormalF32), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeSwitch,
MaterializeAbstractNumericToConcreteType,
testing::Combine(testing::Values(Expectation::kMaterialize),
testing::ValuesIn(kSwitchMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(0_a, 0.0), //
Types<i32, AInt>(1_a, 1.0), //
Types<i32, AInt>(-1_a, -1.0), //
Types<i32, AInt>(AInt(i32::Highest()), i32::Highest()), //
Types<i32, AInt>(AInt(i32::Lowest()), i32::Lowest()), //
Types<u32, AInt>(0_a, 0.0), //
Types<u32, AInt>(1_a, 1.0), //
Types<u32, AInt>(AInt(u32::Highest()), u32::Highest()), //
Types<u32, AInt>(AInt(u32::Lowest()), u32::Lowest()), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeArray,
MaterializeAbstractNumericToConcreteType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::ValuesIn(kArrayMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32A, AIntA>(0_a, 0.0), //
Types<i32A, AIntA>(1_a, 1.0), //
Types<i32A, AIntA>(-1_a, -1.0), //
Types<i32A, AIntA>(AInt(i32::Highest()), i32::Highest()), //
Types<i32A, AIntA>(AInt(i32::Lowest()), i32::Lowest()), //
Types<u32A, AIntA>(0_a, 0.0), //
Types<u32A, AIntA>(1_a, 1.0), //
Types<u32A, AIntA>(AInt(u32::Highest()), u32::Highest()), //
Types<u32A, AIntA>(AInt(u32::Lowest()), u32::Lowest()), //
Types<f32A, AFloatA>(0.0_a, 0.0), //
Types<f32A, AFloatA>(1.0_a, 1.0), //
Types<f32A, AFloatA>(-1.0_a, -1.0), //
Types<f32A, AFloatA>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32A, AFloatA>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32A, AFloatA>(AFloat(kPiF32), kPiF64), //
Types<f32A, AFloatA>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32A, AFloatA>(AFloat(-kSubnormalF32), -kSubnormalF32), //
Types<f16A, AFloatA>(0.0_a, 0.0), //
Types<f16A, AFloatA>(1.0_a, 1.0), //
Types<f16A, AFloatA>(-1.0_a, -1.0), //
Types<f16A, AFloatA>(AFloat(f16::Highest()), static_cast<double>(f16::Highest())), //
Types<f16A, AFloatA>(AFloat(f16::Lowest()), static_cast<double>(f16::Lowest())), //
Types<f16A, AFloatA>(AFloat(kPiF16), kPiF64), //
Types<f16A, AFloatA>(AFloat(kSubnormalF16), kSubnormalF16), //
Types<f16A, AFloatA>(AFloat(-kSubnormalF16), -kSubnormalF16), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeArrayRuntimeIndex,
MaterializeAbstractNumericToConcreteType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::Values(Method::kRuntimeIndex),
testing::ValuesIn(std::vector<Data>{
Types<f32A, AFloatA>(0.0_a, 0.0), //
Types<f32A, AFloatA>(1.0_a, 1.0), //
Types<f32A, AFloatA>(-1.0_a, -1.0), //
Types<f32A, AFloatA>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32A, AFloatA>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32A, AFloatA>(AFloat(kPiF32), kPiF64), //
Types<f32A, AFloatA>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32A, AFloatA>(AFloat(-kSubnormalF32), -kSubnormalF32), //
})));
INSTANTIATE_TEST_SUITE_P(MaterializeWorkgroupSize,
MaterializeAbstractNumericToConcreteType,
testing::Combine(testing::Values(Expectation::kMaterialize),
testing::Values(Method::kWorkgroupSize),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(1_a, 1.0), //
Types<i32, AInt>(10_a, 10.0), //
Types<i32, AInt>(65535_a, 65535.0), //
Types<u32, AInt>(1_a, 1.0), //
Types<u32, AInt>(10_a, 10.0), //
Types<u32, AInt>(65535_a, 65535.0), //
})));
INSTANTIATE_TEST_SUITE_P(NoMaterialize,
MaterializeAbstractNumericToConcreteType,
testing::Combine(testing::Values(Expectation::kNoMaterialize),
testing::ValuesIn(kNoMaterializeMethods),
testing::ValuesIn(std::vector<Data>{
Types<AInt, AInt>(1_a, 1_a), //
Types<AIntV, AIntV>(1_a, 1_a), //
Types<AFloat, AFloat>(1.0_a, 1.0_a), //
Types<AFloatV, AFloatV>(1.0_a, 1.0_a), //
Types<AFloatM, AFloatM>(1.0_a, 1.0_a), //
})));
INSTANTIATE_TEST_SUITE_P(NoMaterializeScalarVector,
MaterializeAbstractNumericToConcreteType,
testing::Combine(testing::Values(Expectation::kNoMaterialize),
testing::ValuesIn(kNoMaterializeScalarVectorMethods),
testing::ValuesIn(std::vector<Data>{
Types<AInt, AInt>(1_a, 1_a), //
Types<AIntV, AIntV>(1_a, 1_a), //
Types<AFloat, AFloat>(1.0_a, 1.0_a), //
Types<AFloatV, AFloatV>(1.0_a, 1.0_a), //
})));
INSTANTIATE_TEST_SUITE_P(InvalidConversion,
MaterializeAbstractNumericToConcreteType,
testing::Combine(testing::Values(Expectation::kInvalidConversion),
testing::ValuesIn(kScalarMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32, AFloat>(), //
Types<u32, AFloat>(), //
Types<i32V, AFloatV>(), //
Types<u32V, AFloatV>(), //
Types<i32A, AInt>(), //
Types<i32A, AIntV>(), //
Types<i32A, AFloat>(), //
Types<i32A, AFloatV>(), //
})));
INSTANTIATE_TEST_SUITE_P(
ScalarValueCannotBeRepresented,
MaterializeAbstractNumericToConcreteType,
testing::Combine(testing::Values(Expectation::kValueCannotBeRepresented),
testing::ValuesIn(kScalarMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(0_a, static_cast<double>(i32::kHighestValue) + 1), //
Types<i32, AInt>(0_a, static_cast<double>(i32::kLowestValue) - 1), //
Types<u32, AInt>(0_a, static_cast<double>(u32::kHighestValue) + 1), //
Types<u32, AInt>(0_a, static_cast<double>(u32::kLowestValue) - 1), //
Types<f32, AFloat>(0.0_a, kTooBigF32), //
Types<f32, AFloat>(0.0_a, -kTooBigF32), //
Types<f16, AFloat>(0.0_a, kTooBigF16), //
Types<f16, AFloat>(0.0_a, -kTooBigF16), //
})));
INSTANTIATE_TEST_SUITE_P(
VectorValueCannotBeRepresented,
MaterializeAbstractNumericToConcreteType,
testing::Combine(testing::Values(Expectation::kValueCannotBeRepresented),
testing::ValuesIn(kVectorMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32V, AIntV>(0_a, static_cast<double>(i32::kHighestValue) + 1), //
Types<i32V, AIntV>(0_a, static_cast<double>(i32::kLowestValue) - 1), //
Types<u32V, AIntV>(0_a, static_cast<double>(u32::kHighestValue) + 1), //
Types<u32V, AIntV>(0_a, static_cast<double>(u32::kLowestValue) - 1), //
Types<f32V, AFloatV>(0.0_a, kTooBigF32), //
Types<f32V, AFloatV>(0.0_a, -kTooBigF32), //
Types<f16V, AFloatV>(0.0_a, kTooBigF16), //
Types<f16V, AFloatV>(0.0_a, -kTooBigF16), //
})));
INSTANTIATE_TEST_SUITE_P(MatrixValueCannotBeRepresented,
MaterializeAbstractNumericToConcreteType,
testing::Combine(testing::Values(Expectation::kValueCannotBeRepresented),
testing::ValuesIn(kMatrixMethods),
testing::ValuesIn(std::vector<Data>{
Types<f32M, AFloatM>(0.0_a, kTooBigF32), //
Types<f32M, AFloatM>(0.0_a, -kTooBigF32), //
Types<f16M, AFloatM>(0.0_a, kTooBigF16), //
Types<f16M, AFloatM>(0.0_a, -kTooBigF16), //
})));
} // namespace materialize_abstract_numeric_to_concrete_type
////////////////////////////////////////////////////////////////////////////////////////////////////
// Tests that in the absence of a 'target type' an abstract-int will materialize to i32, and an
// abstract-float will materialize to f32.
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace materialize_abstract_numeric_to_default_type {
// How should the materialization occur?
enum class Method {
// var a = abstract_expr;
kVar,
// let a = abstract_expr;
kLet,
// bitcast<i32>(abstract_expr)
kBitcastI32Arg,
// bitcast<vec3<i32>>(abstract_expr)
kBitcastVec3I32Arg,
// array<i32, abstract_expr>()
kArrayLength,
// switch (abstract_expr) {
// case abstract_expr: {}
// default: {}
// }
kSwitch,
// @workgroup_size(abstract_expr)
// @compute
// fn f() {}
kWorkgroupSize,
// arr[abstract_expr]
kIndex,
// abstract_expr[runtime-index]
kRuntimeIndex,
// _tint_materialize()
kTintMaterializeBuiltin,
};
static std::ostream& operator<<(std::ostream& o, Method m) {
switch (m) {
case Method::kVar:
return o << "var";
case Method::kLet:
return o << "let";
case Method::kBitcastI32Arg:
return o << "bitcast-i32-arg";
case Method::kBitcastVec3I32Arg:
return o << "bitcast-vec3-i32-arg";
case Method::kArrayLength:
return o << "array-length";
case Method::kSwitch:
return o << "switch";
case Method::kWorkgroupSize:
return o << "workgroup-size";
case Method::kIndex:
return o << "index";
case Method::kRuntimeIndex:
return o << "runtime-index";
case Method::kTintMaterializeBuiltin:
return o << "_tint_materialize";
}
return o << "<unknown>";
}
struct Data {
std::string expected_type_name;
std::string expected_element_type_name;
builder::sem_type_func_ptr expected_sem_ty;
std::string abstract_type_name;
builder::ast_expr_from_double_func_ptr abstract_expr;
std::variant<AInt, AFloat> materialized_value;
double literal_value;
};
template <typename EXPECTED_TYPE, typename ABSTRACT_TYPE, typename MATERIALIZED_TYPE>
Data Types(MATERIALIZED_TYPE materialized_value, double literal_value) {
using ExpectedDataType = builder::DataType<EXPECTED_TYPE>;
using AbstractDataType = builder::DataType<ABSTRACT_TYPE>;
using TargetElementDataType = builder::DataType<typename ExpectedDataType::ElementType>;
return {
ExpectedDataType::Name(), // expected_type_name
TargetElementDataType::Name(), // expected_element_type_name
ExpectedDataType::Sem, // expected_sem_ty
AbstractDataType::Name(), // abstract_type_name
AbstractDataType::ExprFromDouble, // abstract_expr
materialized_value,
literal_value,
};
}
static std::ostream& operator<<(std::ostream& o, const Data& c) {
auto print_value = [&](auto&& v) { o << v; };
o << "[" << c.expected_type_name << " <- " << c.abstract_type_name << "] [";
std::visit(print_value, c.materialized_value);
o << " <- " << c.literal_value << "]";
return o;
}
using MaterializeAbstractNumericToDefaultType =
MaterializeTest<std::tuple<Expectation, Method, Data>>;
TEST_P(MaterializeAbstractNumericToDefaultType, Test) {
const auto& param = GetParam();
const auto& expectation = std::get<0>(param);
const auto& method = std::get<1>(param);
const auto& data = std::get<2>(param);
Vector<const ast::Expression*, 4> abstract_exprs;
auto abstract_expr = [&] {
auto* expr = data.abstract_expr(*this, data.literal_value);
abstract_exprs.Push(expr);
return expr;
};
switch (method) {
case Method::kVar: {
WrapInFunction(Decl(Var("a", abstract_expr())));
break;
}
case Method::kLet: {
WrapInFunction(Decl(Let("a", abstract_expr())));
break;
}
case Method::kBitcastI32Arg: {
WrapInFunction(Bitcast<i32>(abstract_expr()));
break;
}
case Method::kBitcastVec3I32Arg: {
WrapInFunction(Bitcast(ty.vec3<i32>(), abstract_expr()));
break;
}
case Method::kArrayLength: {
WrapInFunction(Call(ty.array(ty.i32(), abstract_expr())));
break;
}
case Method::kSwitch: {
WrapInFunction(
Switch(abstract_expr(),
Case(CaseSelector(abstract_expr()->As<ast::IntLiteralExpression>())),
DefaultCase()));
break;
}
case Method::kWorkgroupSize: {
Func("f", tint::Empty, ty.void_(), tint::Empty,
Vector{WorkgroupSize(abstract_expr()), Stage(ast::PipelineStage::kCompute)});
break;
}
case Method::kIndex: {
GlobalVar("arr", ty.array<i32, 4>(), core::AddressSpace::kPrivate);
WrapInFunction(IndexAccessor("arr", abstract_expr()));
break;
}
case Method::kRuntimeIndex: {
auto* runtime_index = Var("runtime_index", Expr(1_i));
WrapInFunction(runtime_index, IndexAccessor(abstract_expr(), runtime_index));
break;
}
case Method::kTintMaterializeBuiltin: {
auto* call = Call(wgsl::BuiltinFn::kTintMaterialize, abstract_expr());
WrapInFunction(Decl(Const("c", call)));
break;
}
}
switch (expectation) {
case Expectation::kMaterialize: {
ASSERT_TRUE(r()->Resolve()) << r()->error();
for (auto* expr : abstract_exprs) {
auto* materialize = Sem().Get<sem::Materialize>(expr);
ASSERT_NE(materialize, nullptr);
CheckTypesAndValues(materialize, data.expected_sem_ty(*this),
data.materialized_value);
}
break;
}
case Expectation::kInvalidConversion: {
ASSERT_FALSE(r()->Resolve());
std::string expect = "error: cannot convert value of type '" + data.abstract_type_name +
"' to type '" + data.expected_type_name + "'";
EXPECT_THAT(r()->error(), testing::StartsWith(expect));
break;
}
case Expectation::kValueCannotBeRepresented:
ASSERT_FALSE(r()->Resolve());
EXPECT_THAT(r()->error(), testing::HasSubstr("cannot be represented as '" +
data.expected_element_type_name + "'"));
break;
default:
FAIL() << "unhandled expectation: " << expectation;
}
}
/// Methods that support scalar materialization
constexpr Method kScalarMethods[] = {
Method::kLet,
Method::kVar,
Method::kBitcastI32Arg,
Method::kTintMaterializeBuiltin,
};
/// Methods that support vector materialization
constexpr Method kVectorMethods[] = {
Method::kLet,
Method::kVar,
Method::kBitcastVec3I32Arg,
Method::kRuntimeIndex,
Method::kTintMaterializeBuiltin,
};
/// Methods that support matrix materialization
constexpr Method kMatrixMethods[] = {
Method::kLet,
Method::kVar,
Method::kTintMaterializeBuiltin,
};
/// Methods that support array materialization
constexpr Method kArrayMethods[] = {
Method::kLet,
Method::kVar,
Method::kTintMaterializeBuiltin,
};
INSTANTIATE_TEST_SUITE_P(
MaterializeScalar,
MaterializeAbstractNumericToDefaultType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::ValuesIn(kScalarMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(0_a, 0.0), //
Types<i32, AInt>(1_a, 1.0), //
Types<i32, AInt>(-1_a, -1.0), //
Types<i32, AInt>(AInt(i32::Highest()), i32::Highest()), //
Types<i32, AInt>(AInt(i32::Lowest()), i32::Lowest()), //
Types<f32, AFloat>(0.0_a, 0.0), //
Types<f32, AFloat>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32, AFloat>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32, AFloat>(AFloat(kPiF32), kPiF64), //
Types<f32, AFloat>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32, AFloat>(AFloat(-kSubnormalF32), -kSubnormalF32), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeVector,
MaterializeAbstractNumericToDefaultType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::ValuesIn(kVectorMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32V, AIntV>(0_a, 0.0), //
Types<i32V, AIntV>(1_a, 1.0), //
Types<i32V, AIntV>(-1_a, -1.0), //
Types<i32V, AIntV>(AInt(i32::Highest()), i32::Highest()), //
Types<i32V, AIntV>(AInt(i32::Lowest()), i32::Lowest()), //
Types<f32V, AFloatV>(0.0_a, 0.0), //
Types<f32V, AFloatV>(1.0_a, 1.0), //
Types<f32V, AFloatV>(-1.0_a, -1.0), //
Types<f32V, AFloatV>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32V, AFloatV>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32V, AFloatV>(AFloat(kPiF32), kPiF64), //
Types<f32V, AFloatV>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32V, AFloatV>(AFloat(-kSubnormalF32), -kSubnormalF32), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeMatrix,
MaterializeAbstractNumericToDefaultType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::ValuesIn(kMatrixMethods),
testing::ValuesIn(std::vector<Data>{
Types<f32M, AFloatM>(0.0_a, 0.0), //
Types<f32M, AFloatM>(1.0_a, 1.0), //
Types<f32M, AFloatM>(-1.0_a, -1.0), //
Types<f32M, AFloatM>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32M, AFloatM>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32M, AFloatM>(AFloat(kPiF32), kPiF64), //
Types<f32M, AFloatM>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32M, AFloatM>(AFloat(-kSubnormalF32), -kSubnormalF32), //
})));
INSTANTIATE_TEST_SUITE_P(MaterializeAInt,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kMaterialize),
testing::Values(Method::kWorkgroupSize,
Method::kArrayLength),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(1_a, 1.0), //
Types<i32, AInt>(10_a, 10.0), //
Types<i32, AInt>(100_a, 100.0), //
Types<i32, AInt>(1000_a, 1000.0), //
Types<i32, AInt>(10000_a, 10000.0), //
Types<i32, AInt>(65535_a, 65535.0), //
})));
INSTANTIATE_TEST_SUITE_P(MaterializeAIntIndex,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kMaterialize),
testing::Values(Method::kIndex),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(0_a, 0.0), //
Types<i32, AInt>(1_a, 1.0), //
Types<i32, AInt>(2_a, 2.0), //
Types<i32, AInt>(3_a, 3.0), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeAIntSwitch,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kMaterialize),
testing::Values(Method::kSwitch),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(0_a, 0.0), //
Types<i32, AInt>(10_a, 10.0), //
Types<i32, AInt>(AInt(i32::Highest()), i32::Highest()), //
Types<i32, AInt>(AInt(i32::Lowest()), i32::Lowest()), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeArray,
MaterializeAbstractNumericToDefaultType,
testing::Combine(
testing::Values(Expectation::kMaterialize),
testing::ValuesIn(kArrayMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32A, AIntA>(0_a, 0.0), //
Types<i32A, AIntA>(1_a, 1.0), //
Types<i32A, AIntA>(-1_a, -1.0), //
Types<i32A, AIntA>(AInt(i32::Highest()), i32::Highest()), //
Types<i32A, AIntA>(AInt(i32::Lowest()), i32::Lowest()), //
Types<f32A, AFloatA>(0.0_a, 0.0), //
Types<f32A, AFloatA>(1.0_a, 1.0), //
Types<f32A, AFloatA>(-1.0_a, -1.0), //
Types<f32A, AFloatA>(AFloat(f32::Highest()), static_cast<double>(f32::Highest())), //
Types<f32A, AFloatA>(AFloat(f32::Lowest()), static_cast<double>(f32::Lowest())), //
Types<f32A, AFloatA>(AFloat(kPiF32), kPiF64), //
Types<f32A, AFloatA>(AFloat(kSubnormalF32), kSubnormalF32), //
Types<f32A, AFloatA>(AFloat(-kSubnormalF32), -kSubnormalF32), //
})));
INSTANTIATE_TEST_SUITE_P(
MaterializeArrayLength,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kMaterialize),
testing::Values(Method::kArrayLength),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(1_a, 1.0), //
Types<i32, AInt>(10_a, 10.0), //
Types<i32, AInt>(1000_a, 1000.0), //
// Note: i32::Highest() cannot be used due to max-byte-size validation
})));
INSTANTIATE_TEST_SUITE_P(MaterializeWorkgroupSize,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kMaterialize),
testing::Values(Method::kWorkgroupSize),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(1_a, 1.0), //
Types<i32, AInt>(10_a, 10.0), //
Types<i32, AInt>(65535_a, 65535.0), //
})));
INSTANTIATE_TEST_SUITE_P(
ScalarValueCannotBeRepresented,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kValueCannotBeRepresented),
testing::ValuesIn(kScalarMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(0_a, static_cast<double>(i32::kHighestValue) + 1), //
Types<i32, AInt>(0_a, static_cast<double>(i32::kLowestValue) - 1), //
Types<f32, AFloat>(0.0_a, kTooBigF32), //
Types<f32, AFloat>(0.0_a, -kTooBigF32), //
})));
INSTANTIATE_TEST_SUITE_P(
VectorValueCannotBeRepresented,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kValueCannotBeRepresented),
testing::ValuesIn(kVectorMethods),
testing::ValuesIn(std::vector<Data>{
Types<i32V, AIntV>(0_a, static_cast<double>(i32::kHighestValue) + 1), //
Types<i32V, AIntV>(0_a, static_cast<double>(i32::kLowestValue) - 1), //
Types<i32V, AIntV>(0_a, static_cast<double>(u32::kHighestValue) + 1), //
Types<f32V, AFloatV>(0.0_a, kTooBigF32), //
Types<f32V, AFloatV>(0.0_a, -kTooBigF32), //
})));
INSTANTIATE_TEST_SUITE_P(MatrixValueCannotBeRepresented,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kValueCannotBeRepresented),
testing::ValuesIn(kMatrixMethods),
testing::ValuesIn(std::vector<Data>{
Types<f32M, AFloatM>(0.0_a, kTooBigF32), //
Types<f32M, AFloatM>(0.0_a, -kTooBigF32), //
})));
INSTANTIATE_TEST_SUITE_P(
AIntValueCannotBeRepresented,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kValueCannotBeRepresented),
testing::Values(Method::kWorkgroupSize,
Method::kArrayLength,
Method::kSwitch,
Method::kIndex),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(0_a, static_cast<double>(i32::kHighestValue) + 1), //
Types<i32, AInt>(0_a, static_cast<double>(i32::kLowestValue) - 1), //
})));
INSTANTIATE_TEST_SUITE_P(
WorkgroupSizeValueCannotBeRepresented,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kValueCannotBeRepresented),
testing::Values(Method::kWorkgroupSize),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(0_a, static_cast<double>(i32::kHighestValue) + 1), //
Types<i32, AInt>(0_a, static_cast<double>(i32::kLowestValue) - 1), //
})));
INSTANTIATE_TEST_SUITE_P(
ArrayLengthValueCannotBeRepresented,
MaterializeAbstractNumericToDefaultType,
testing::Combine(testing::Values(Expectation::kValueCannotBeRepresented),
testing::Values(Method::kArrayLength),
testing::ValuesIn(std::vector<Data>{
Types<i32, AInt>(0_a, static_cast<double>(i32::kHighestValue) + 1), //
})));
} // namespace materialize_abstract_numeric_to_default_type
namespace materialize_abstract_numeric_to_unrelated_type {
using MaterializeAbstractNumericToUnrelatedType = resolver::ResolverTest;
TEST_F(MaterializeAbstractNumericToUnrelatedType, AIntToStructVarInit) {
Structure("S", Vector{Member("a", ty.i32())});
WrapInFunction(Decl(Var("v", ty("S"), Expr(Source{{12, 34}}, 1_a))));
EXPECT_FALSE(r()->Resolve());
EXPECT_THAT(
r()->error(),
testing::HasSubstr("error: cannot convert value of type 'abstract-int' to type 'S'"));
}
TEST_F(MaterializeAbstractNumericToUnrelatedType, AIntToStructLetInit) {
Structure("S", Vector{Member("a", ty.i32())});
WrapInFunction(Decl(Let("v", ty("S"), Expr(Source{{12, 34}}, 1_a))));
EXPECT_FALSE(r()->Resolve());
EXPECT_THAT(
r()->error(),
testing::HasSubstr("error: cannot convert value of type 'abstract-int' to type 'S'"));
}
} // namespace materialize_abstract_numeric_to_unrelated_type
////////////////////////////////////////////////////////////////////////////////
// Materialization tests for builtin-returned abstract structures
// These are too bespoke to slot into the more general materialization tests above
////////////////////////////////////////////////////////////////////////////////
namespace materialize_abstract_structure {
using MaterializeAbstractStructure = resolver::ResolverTest;
TEST_F(MaterializeAbstractStructure, Modf_Scalar_DefaultType) {
// var v = modf(1);
auto* call = Call("modf", 1_a);
WrapInFunction(Decl(Var("v", call)));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(call);
ASSERT_TRUE(sem->Is<sem::Materialize>());
auto* materialize = sem->As<sem::Materialize>();
ASSERT_TRUE(materialize->Type()->Is<core::type::Struct>());
auto* concrete_str = materialize->Type()->As<core::type::Struct>();
ASSERT_TRUE(concrete_str->Members()[0]->Type()->Is<core::type::F32>());
ASSERT_TRUE(materialize->Expr()->Type()->Is<core::type::Struct>());
auto* abstract_str = materialize->Expr()->Type()->As<core::type::Struct>();
ASSERT_TRUE(abstract_str->Members()[0]->Type()->Is<core::type::AbstractFloat>());
}
TEST_F(MaterializeAbstractStructure, Modf_Vector_DefaultType) {
// var v = modf(vec2(1));
auto* call = Call("modf", Call<vec2<Infer>>(1_a));
WrapInFunction(Decl(Var("v", call)));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(call);
ASSERT_TRUE(sem->Is<sem::Materialize>());
auto* materialize = sem->As<sem::Materialize>();
ASSERT_TRUE(materialize->Type()->Is<core::type::Struct>());
auto* concrete_str = materialize->Type()->As<core::type::Struct>();
ASSERT_TRUE(concrete_str->Members()[0]->Type()->Is<core::type::Vector>());
ASSERT_TRUE(concrete_str->Members()[0]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::F32>());
ASSERT_TRUE(materialize->Expr()->Type()->Is<core::type::Struct>());
auto* abstract_str = materialize->Expr()->Type()->As<core::type::Struct>();
ASSERT_TRUE(abstract_str->Members()[0]->Type()->Is<core::type::Vector>());
ASSERT_TRUE(abstract_str->Members()[0]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::AbstractFloat>());
}
TEST_F(MaterializeAbstractStructure, Modf_Scalar_ExplicitType) {
// var v = modf(1_h); // v is __modf_result_f16
// v = modf(1); // __modf_result_f16 <- __modf_result_abstract
Enable(wgsl::Extension::kF16);
auto* call = Call("modf", 1_a);
WrapInFunction(Decl(Var("v", Call("modf", 1_h))), //
Assign("v", call));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(call);
ASSERT_TRUE(sem->Is<sem::Materialize>());
auto* materialize = sem->As<sem::Materialize>();
ASSERT_TRUE(materialize->Type()->Is<core::type::Struct>());
auto* concrete_str = materialize->Type()->As<core::type::Struct>();
ASSERT_TRUE(concrete_str->Members()[0]->Type()->Is<core::type::F16>());
ASSERT_TRUE(materialize->Expr()->Type()->Is<core::type::Struct>());
auto* abstract_str = materialize->Expr()->Type()->As<core::type::Struct>();
ASSERT_TRUE(abstract_str->Members()[0]->Type()->Is<core::type::AbstractFloat>());
}
TEST_F(MaterializeAbstractStructure, Modf_Vector_ExplicitType) {
// var v = modf(vec2(1_h)); // v is __modf_result_vec2_f16
// v = modf(vec2(1)); // __modf_result_vec2_f16 <- __modf_result_vec2_abstract
Enable(wgsl::Extension::kF16);
auto* call = Call("modf", Call<vec2<Infer>>(1_a));
WrapInFunction(Decl(Var("v", Call("modf", Call<vec2<Infer>>(1_h)))), Assign("v", call));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(call);
ASSERT_TRUE(sem->Is<sem::Materialize>());
auto* materialize = sem->As<sem::Materialize>();
ASSERT_TRUE(materialize->Type()->Is<core::type::Struct>());
auto* concrete_str = materialize->Type()->As<core::type::Struct>();
ASSERT_TRUE(concrete_str->Members()[0]->Type()->Is<core::type::Vector>());
ASSERT_TRUE(concrete_str->Members()[0]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::F16>());
ASSERT_TRUE(materialize->Expr()->Type()->Is<core::type::Struct>());
auto* abstract_str = materialize->Expr()->Type()->As<core::type::Struct>();
ASSERT_TRUE(abstract_str->Members()[0]->Type()->Is<core::type::Vector>());
ASSERT_TRUE(abstract_str->Members()[0]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::AbstractFloat>());
}
TEST_F(MaterializeAbstractStructure, Frexp_Scalar_DefaultType) {
// var v = frexp(1);
auto* call = Call("frexp", 1_a);
WrapInFunction(Decl(Var("v", call)));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(call);
ASSERT_TRUE(sem->Is<sem::Materialize>());
auto* materialize = sem->As<sem::Materialize>();
ASSERT_TRUE(materialize->Type()->Is<core::type::Struct>());
auto* concrete_str = materialize->Type()->As<core::type::Struct>();
ASSERT_TRUE(concrete_str->Members()[0]->Type()->Is<core::type::F32>());
ASSERT_TRUE(concrete_str->Members()[1]->Type()->Is<core::type::I32>());
ASSERT_TRUE(materialize->Expr()->Type()->Is<core::type::Struct>());
auto* abstract_str = materialize->Expr()->Type()->As<core::type::Struct>();
ASSERT_TRUE(abstract_str->Members()[0]->Type()->Is<core::type::AbstractFloat>());
ASSERT_TRUE(abstract_str->Members()[1]->Type()->Is<core::type::AbstractInt>());
}
TEST_F(MaterializeAbstractStructure, Frexp_Vector_DefaultType) {
// var v = frexp(vec2(1));
auto* call = Call("frexp", Call<vec2<Infer>>(1_a));
WrapInFunction(Decl(Var("v", call)));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(call);
ASSERT_TRUE(sem->Is<sem::Materialize>());
auto* materialize = sem->As<sem::Materialize>();
ASSERT_TRUE(materialize->Type()->Is<core::type::Struct>());
auto* concrete_str = materialize->Type()->As<core::type::Struct>();
ASSERT_TRUE(concrete_str->Members()[0]->Type()->Is<core::type::Vector>());
ASSERT_TRUE(concrete_str->Members()[1]->Type()->Is<core::type::Vector>());
ASSERT_TRUE(concrete_str->Members()[0]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::F32>());
ASSERT_TRUE(concrete_str->Members()[1]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::I32>());
ASSERT_TRUE(materialize->Expr()->Type()->Is<core::type::Struct>());
auto* abstract_str = materialize->Expr()->Type()->As<core::type::Struct>();
ASSERT_TRUE(abstract_str->Members()[0]->Type()->Is<core::type::Vector>());
ASSERT_TRUE(abstract_str->Members()[0]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::AbstractFloat>());
ASSERT_TRUE(abstract_str->Members()[1]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::AbstractInt>());
}
TEST_F(MaterializeAbstractStructure, Frexp_Scalar_ExplicitType) {
// var v = frexp(1_h); // v is __frexp_result_f16
// v = frexp(1); // __frexp_result_f16 <- __frexp_result_abstract
Enable(wgsl::Extension::kF16);
auto* call = Call("frexp", 1_a);
WrapInFunction(Decl(Var("v", Call("frexp", 1_h))), //
Assign("v", call));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(call);
ASSERT_TRUE(sem->Is<sem::Materialize>());
auto* materialize = sem->As<sem::Materialize>();
ASSERT_TRUE(materialize->Type()->Is<core::type::Struct>());
auto* concrete_str = materialize->Type()->As<core::type::Struct>();
ASSERT_TRUE(concrete_str->Members()[0]->Type()->Is<core::type::F16>());
ASSERT_TRUE(concrete_str->Members()[1]->Type()->Is<core::type::I32>());
ASSERT_TRUE(materialize->Expr()->Type()->Is<core::type::Struct>());
auto* abstract_str = materialize->Expr()->Type()->As<core::type::Struct>();
ASSERT_TRUE(abstract_str->Members()[0]->Type()->Is<core::type::AbstractFloat>());
ASSERT_TRUE(abstract_str->Members()[1]->Type()->Is<core::type::AbstractInt>());
}
TEST_F(MaterializeAbstractStructure, Frexp_Vector_ExplicitType) {
// var v = frexp(vec2(1_h)); // v is __frexp_result_vec2_f16
// v = frexp(vec2(1)); // __frexp_result_vec2_f16 <- __frexp_result_vec2_abstract
Enable(wgsl::Extension::kF16);
auto* call = Call("frexp", Call<vec2<Infer>>(1_a));
WrapInFunction(Decl(Var("v", Call("frexp", Call<vec2<Infer>>(1_h)))), Assign("v", call));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(call);
ASSERT_TRUE(sem->Is<sem::Materialize>());
auto* materialize = sem->As<sem::Materialize>();
ASSERT_TRUE(materialize->Type()->Is<core::type::Struct>());
auto* concrete_str = materialize->Type()->As<core::type::Struct>();
ASSERT_TRUE(concrete_str->Members()[0]->Type()->Is<core::type::Vector>());
ASSERT_TRUE(concrete_str->Members()[1]->Type()->Is<core::type::Vector>());
ASSERT_TRUE(concrete_str->Members()[0]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::F16>());
ASSERT_TRUE(concrete_str->Members()[1]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::I32>());
ASSERT_TRUE(materialize->Expr()->Type()->Is<core::type::Struct>());
auto* abstract_str = materialize->Expr()->Type()->As<core::type::Struct>();
ASSERT_TRUE(abstract_str->Members()[0]->Type()->Is<core::type::Vector>());
ASSERT_TRUE(abstract_str->Members()[0]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::AbstractFloat>());
ASSERT_TRUE(abstract_str->Members()[1]
->Type()
->As<core::type::Vector>()
->type()
->Is<core::type::AbstractInt>());
}
} // namespace materialize_abstract_structure
} // namespace
} // namespace tint::resolver