| // Copyright 2021 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // 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 |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <type_traits> |
| |
| #include "src/tint/lang/wgsl/resolver/resolver.h" |
| #include "src/tint/lang/wgsl/resolver/resolver_helper_test.h" |
| |
| #include "gmock/gmock.h" |
| |
| namespace tint::resolver { |
| namespace { |
| |
| using namespace tint::core::fluent_types; // NOLINT |
| using namespace tint::core::number_suffixes; // NOLINT |
| |
| struct Type { |
| template <typename T, std::enable_if_t<IsVector<T>, bool> = true> |
| static constexpr bool UsedF16() { |
| return std::is_same_v<typename T::type, f16>; |
| } |
| |
| template <typename T, std::enable_if_t<!IsVector<T>, bool> = true> |
| static constexpr bool UsedF16() { |
| return std::is_same_v<T, f16>; |
| } |
| |
| template <typename T> |
| static constexpr Type Create() { |
| return Type{builder::DataType<T>::AST, builder::DataType<T>::Sem, |
| builder::DataType<T>::ExprFromDouble, UsedF16<T>()}; |
| } |
| |
| builder::ast_type_func_ptr ast; |
| builder::sem_type_func_ptr sem; |
| builder::ast_expr_from_double_func_ptr expr; |
| bool used_f16; |
| }; |
| |
| // Valids numeric scalar and vector types of all bit width |
| static constexpr Type k16BitsNumericTypes[] = { |
| Type::Create<f16>(), |
| }; |
| static constexpr Type k32BitsNumericTypes[] = { |
| Type::Create<f32>(), |
| Type::Create<i32>(), |
| Type::Create<u32>(), |
| Type::Create<vec2<f16>>(), |
| }; |
| static constexpr Type k48BitsNumericTypes[] = { |
| Type::Create<vec3<f16>>(), |
| }; |
| static constexpr Type k64BitsNumericTypes[] = { |
| Type::Create<vec2<f32>>(), |
| Type::Create<vec2<i32>>(), |
| Type::Create<vec2<u32>>(), |
| Type::Create<vec4<f16>>(), |
| }; |
| static constexpr Type k96BitsNumericTypes[] = { |
| Type::Create<vec3<f32>>(), |
| Type::Create<vec3<i32>>(), |
| Type::Create<vec3<u32>>(), |
| }; |
| static constexpr Type k128BitsNumericTypes[] = { |
| Type::Create<vec4<f32>>(), |
| Type::Create<vec4<i32>>(), |
| Type::Create<vec4<u32>>(), |
| }; |
| |
| static constexpr Type kInvalid[] = { |
| // A non-exhaustive selection of uncastable types |
| Type::Create<bool>(), |
| Type::Create<vec2<bool>>(), |
| Type::Create<vec3<bool>>(), |
| Type::Create<vec4<bool>>(), |
| Type::Create<array<i32, 2>>(), |
| Type::Create<array<u32, 3>>(), |
| Type::Create<array<f32, 4>>(), |
| Type::Create<array<bool, 5>>(), |
| Type::Create<mat2x2<f32>>(), |
| Type::Create<mat3x3<f32>>(), |
| Type::Create<mat4x4<f32>>(), |
| Type::Create<ptr<private_, i32>>(), |
| Type::Create<ptr<private_, array<i32, 2>>>(), |
| Type::Create<ptr<private_, mat2x2<f32>>>(), |
| }; |
| |
| using ResolverBitcastValidationTest = ResolverTestWithParam<std::tuple<Type, Type>>; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Valid bitcasts |
| //////////////////////////////////////////////////////////////////////////////// |
| using ResolverBitcastValidationTestPass = ResolverBitcastValidationTest; |
| TEST_P(ResolverBitcastValidationTestPass, Test) { |
| auto src = std::get<0>(GetParam()); |
| auto dst = std::get<1>(GetParam()); |
| |
| if (src.used_f16 || dst.used_f16) { |
| Enable(wgsl::Extension::kF16); |
| } |
| |
| auto* cast = Bitcast(dst.ast(*this), src.expr(*this, 0)); |
| WrapInFunction(cast); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(TypeOf(cast), dst.sem(*this)); |
| } |
| INSTANTIATE_TEST_SUITE_P(16Bits, |
| ResolverBitcastValidationTestPass, |
| testing::Combine(testing::ValuesIn(k16BitsNumericTypes), |
| testing::ValuesIn(k16BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(32Bits, |
| ResolverBitcastValidationTestPass, |
| testing::Combine(testing::ValuesIn(k32BitsNumericTypes), |
| testing::ValuesIn(k32BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(48Bits, |
| ResolverBitcastValidationTestPass, |
| testing::Combine(testing::ValuesIn(k48BitsNumericTypes), |
| testing::ValuesIn(k48BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(64Bits, |
| ResolverBitcastValidationTestPass, |
| testing::Combine(testing::ValuesIn(k64BitsNumericTypes), |
| testing::ValuesIn(k64BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(96Bits, |
| ResolverBitcastValidationTestPass, |
| testing::Combine(testing::ValuesIn(k96BitsNumericTypes), |
| testing::ValuesIn(k96BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(128Bits, |
| ResolverBitcastValidationTestPass, |
| testing::Combine(testing::ValuesIn(k128BitsNumericTypes), |
| testing::ValuesIn(k128BitsNumericTypes))); |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Invalid bitcast tests |
| //////////////////////////////////////////////////////////////////////////////// |
| using ResolverInvalidBitcastTest = ResolverBitcastValidationTest; |
| TEST_P(ResolverInvalidBitcastTest, Test) { |
| auto src = std::get<0>(GetParam()); |
| auto dst = std::get<1>(GetParam()); |
| |
| if (src.used_f16 || dst.used_f16) { |
| Enable(wgsl::Extension::kF16); |
| } |
| |
| WrapInFunction(Bitcast(Source{{12, 34}}, dst.ast(*this), src.expr(*this, 0))); |
| |
| std::string expected = "12:34 error: no matching call to bitcast<${TO}>(${FROM})"; |
| expected = ReplaceAll(expected, "${FROM}", src.sem(*this)->FriendlyName()); |
| expected = ReplaceAll(expected, "${TO}", dst.sem(*this)->FriendlyName()); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_THAT(r()->error(), testing::StartsWith(expected)); |
| } |
| INSTANTIATE_TEST_SUITE_P(InvalidSrcType_16Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(kInvalid), |
| testing::ValuesIn(k16BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(InvalidSrcType_32Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(kInvalid), |
| testing::ValuesIn(k32BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(InvalidSrcType_48Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(kInvalid), |
| testing::ValuesIn(k48BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(InvalidSrcType_64Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(kInvalid), |
| testing::ValuesIn(k64BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(InvalidSrcType_96Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(kInvalid), |
| testing::ValuesIn(k96BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(InvalidSrcType_128Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(kInvalid), |
| testing::ValuesIn(k128BitsNumericTypes))); |
| |
| INSTANTIATE_TEST_SUITE_P(InvalidDstType_16Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k16BitsNumericTypes), |
| testing::ValuesIn(kInvalid))); |
| INSTANTIATE_TEST_SUITE_P(InvalidDstType_32Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k32BitsNumericTypes), |
| testing::ValuesIn(kInvalid))); |
| INSTANTIATE_TEST_SUITE_P(InvalidDstType_48Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k48BitsNumericTypes), |
| testing::ValuesIn(kInvalid))); |
| INSTANTIATE_TEST_SUITE_P(InvalidDstType_64Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k64BitsNumericTypes), |
| testing::ValuesIn(kInvalid))); |
| INSTANTIATE_TEST_SUITE_P(InvalidDstType_96Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k96BitsNumericTypes), |
| testing::ValuesIn(kInvalid))); |
| INSTANTIATE_TEST_SUITE_P(InvalidDstType_128Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k128BitsNumericTypes), |
| testing::ValuesIn(kInvalid))); |
| |
| INSTANTIATE_TEST_SUITE_P(Incompatible_16BitsTo32Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k16BitsNumericTypes), |
| testing::ValuesIn(k32BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_16BitsTo48Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k16BitsNumericTypes), |
| testing::ValuesIn(k48BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_16BitsTo64Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k16BitsNumericTypes), |
| testing::ValuesIn(k64BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_16BitsTo96Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k16BitsNumericTypes), |
| testing::ValuesIn(k96BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_16BitsTo128Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k16BitsNumericTypes), |
| testing::ValuesIn(k128BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_32BitsTo16Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k32BitsNumericTypes), |
| testing::ValuesIn(k16BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_32BitsTo48Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k32BitsNumericTypes), |
| testing::ValuesIn(k48BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_32BitsTo64Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k32BitsNumericTypes), |
| testing::ValuesIn(k64BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_32BitsTo96Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k32BitsNumericTypes), |
| testing::ValuesIn(k96BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_32BitsTo128Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k32BitsNumericTypes), |
| testing::ValuesIn(k128BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_48BitsTo16Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k48BitsNumericTypes), |
| testing::ValuesIn(k16BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_48BitsTo32Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k48BitsNumericTypes), |
| testing::ValuesIn(k32BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_48BitsTo64Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k48BitsNumericTypes), |
| testing::ValuesIn(k64BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_48BitsTo96Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k48BitsNumericTypes), |
| testing::ValuesIn(k96BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_48BitsTo128Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k48BitsNumericTypes), |
| testing::ValuesIn(k128BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_64BitsTo16Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k64BitsNumericTypes), |
| testing::ValuesIn(k16BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_64BitsTo32Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k64BitsNumericTypes), |
| testing::ValuesIn(k32BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_64BitsTo48Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k64BitsNumericTypes), |
| testing::ValuesIn(k48BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_64BitsTo96Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k64BitsNumericTypes), |
| testing::ValuesIn(k96BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_64BitsTo128Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k64BitsNumericTypes), |
| testing::ValuesIn(k128BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_96BitsTo16Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k96BitsNumericTypes), |
| testing::ValuesIn(k16BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_96BitsTo32Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k96BitsNumericTypes), |
| testing::ValuesIn(k32BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_96BitsTo48Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k96BitsNumericTypes), |
| testing::ValuesIn(k48BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_96BitsTo64Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k96BitsNumericTypes), |
| testing::ValuesIn(k64BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_96BitsTo128Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k96BitsNumericTypes), |
| testing::ValuesIn(k128BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_128BitsTo16Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k128BitsNumericTypes), |
| testing::ValuesIn(k16BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_128BitsTo32Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k128BitsNumericTypes), |
| testing::ValuesIn(k32BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_128BitsTo48Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k128BitsNumericTypes), |
| testing::ValuesIn(k48BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_128BitsTo64Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k128BitsNumericTypes), |
| testing::ValuesIn(k64BitsNumericTypes))); |
| INSTANTIATE_TEST_SUITE_P(Incompatible_128BitsTo96Bits, |
| ResolverInvalidBitcastTest, |
| testing::Combine(testing::ValuesIn(k128BitsNumericTypes), |
| testing::ValuesIn(k96BitsNumericTypes))); |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // Compile-time bitcasts to NaN or Inf are invalid |
| //////////////////////////////////////////////////////////////////////////////// |
| using ResolverBitcastValidationTestInvalidConst = tint::resolver::ResolverTest; |
| TEST_F(ResolverBitcastValidationTestInvalidConst, ConstBitcastToF16NaN) { |
| Enable(wgsl::Extension::kF16); |
| |
| // Lower 16 bits of const u32 0x7e10 is NaN in f16. |
| auto* a = Const("a", Expr(u32(0x00007e10))); |
| auto* b = Let("b", Bitcast(Source{{12, 34}}, ty.Of<vec2<f16>>(), Expr("a"))); |
| WrapInFunction(a, b); |
| |
| auto expected = "12:34 error: value nan cannot be represented as 'f16'"; |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), expected); |
| } |
| |
| TEST_F(ResolverBitcastValidationTestInvalidConst, ConstBitcastToF16Inf) { |
| Enable(wgsl::Extension::kF16); |
| |
| // 0xfc00 is -Inf in f16. |
| auto* a = Const("a", Call<vec2<u32>>(u32(0x00007010), u32(0xfc008000))); |
| auto* b = Let("b", Bitcast(Source{{12, 34}}, ty.Of<vec4<f16>>(), Expr("a"))); |
| WrapInFunction(a, b); |
| |
| auto expected = "12:34 error: value -inf cannot be represented as 'f16'"; |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), expected); |
| } |
| |
| TEST_F(ResolverBitcastValidationTestInvalidConst, ConstBitcastToF32NaN) { |
| // 0xffc00000 is NaN in f32. |
| auto* a = Const("a", Expr(u32(0xffc00000))); |
| auto* b = Let("b", Bitcast(Source{{12, 34}}, ty.Of<f32>(), Expr("a"))); |
| WrapInFunction(a, b); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_THAT(r()->error(), ::testing::HasSubstr("cannot be represented as 'f32'")); |
| } |
| |
| TEST_F(ResolverBitcastValidationTestInvalidConst, ConstBitcastToF32Inf) { |
| Enable(wgsl::Extension::kF16); |
| |
| // 0x7f800000 is Inf in f32. |
| auto* a = Const("a", Call<vec3<u32>>(u32(0xA0008000), u32(0x7f800000), u32(0x40000000))); |
| auto* b = Let("b", Bitcast(Source{{12, 34}}, ty.Of<vec3<f32>>(), Expr("a"))); |
| WrapInFunction(a, b); |
| |
| auto expected = "12:34 error: value inf cannot be represented as 'f32'"; |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), expected); |
| } |
| |
| } // namespace |
| } // namespace tint::resolver |
