| // 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/lang/wgsl/resolver/resolver.h" |
| |
| #include "gtest/gtest.h" |
| #include "src/tint/lang/core/builtin/address_space.h" |
| #include "src/tint/lang/core/builtin/extension.h" |
| #include "src/tint/lang/core/builtin/texel_format.h" |
| #include "src/tint/lang/core/type/texture_dimension.h" |
| #include "src/tint/lang/wgsl/resolver/resolver_test_helper.h" |
| #include "src/tint/lang/wgsl/sem/index_accessor_expression.h" |
| #include "src/tint/lang/wgsl/sem/member_accessor_expression.h" |
| #include "src/tint/lang/wgsl/sem/value_expression.h" |
| #include "src/tint/utils/containers/vector.h" |
| |
| using namespace tint::number_suffixes; // NOLINT |
| |
| namespace tint::resolver { |
| namespace { |
| |
| struct SideEffectsTest : ResolverTest { |
| template <typename T> |
| void MakeSideEffectFunc(const char* name) { |
| auto global = Sym(); |
| GlobalVar(global, ty.Of<T>(), builtin::AddressSpace::kPrivate); |
| auto local = Sym(); |
| Func(name, utils::Empty, ty.Of<T>(), |
| utils::Vector{ |
| Decl(Var(local, ty.Of<T>())), |
| Assign(global, local), |
| Return(global), |
| }); |
| } |
| |
| template <typename MAKE_TYPE_FUNC> |
| void MakeSideEffectFunc(const char* name, MAKE_TYPE_FUNC make_type) { |
| auto global = Sym(); |
| GlobalVar(global, make_type(), builtin::AddressSpace::kPrivate); |
| auto local = Sym(); |
| Func(name, utils::Empty, make_type(), |
| utils::Vector{ |
| Decl(Var(local, make_type())), |
| Assign(global, local), |
| Return(global), |
| }); |
| } |
| }; |
| |
| TEST_F(SideEffectsTest, Phony) { |
| auto* expr = Phony(); |
| auto* body = Assign(expr, 1_i); |
| WrapInFunction(body); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Literal) { |
| auto* expr = Expr(1_i); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, VariableUser) { |
| auto* var = Decl(Var("a", ty.i32())); |
| auto* expr = Expr("a"); |
| WrapInFunction(var, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().GetVal(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->UnwrapLoad()->Is<sem::VariableUser>()); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Call_Builtin_NoSE) { |
| GlobalVar("a", ty.f32(), builtin::AddressSpace::kPrivate); |
| auto* expr = Call("dpdx", "a"); |
| Func("f", utils::Empty, ty.void_(), utils::Vector{Ignore(expr)}, |
| utils::Vector{create<ast::StageAttribute>(ast::PipelineStage::kFragment)}); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Call>()); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Call_Builtin_NoSE_WithSEArg) { |
| MakeSideEffectFunc<f32>("se"); |
| auto* expr = Call("dpdx", Call("se")); |
| Func("f", utils::Empty, ty.void_(), utils::Vector{Ignore(expr)}, |
| utils::Vector{create<ast::StageAttribute>(ast::PipelineStage::kFragment)}); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Call>()); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Call_Builtin_SE) { |
| GlobalVar("a", ty.atomic(ty.i32()), builtin::AddressSpace::kWorkgroup); |
| auto* expr = Call("atomicAdd", AddressOf("a"), 1_i); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Call>()); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| namespace builtin_tests { |
| struct Case { |
| const char* name; |
| utils::Vector<const char*, 3> args; |
| bool has_side_effects; |
| bool returns_value; |
| ast::PipelineStage pipeline_stage; |
| }; |
| static Case C(const char* name, |
| utils::VectorRef<const char*> args, |
| bool has_side_effects, |
| bool returns_value, |
| ast::PipelineStage stage = ast::PipelineStage::kFragment) { |
| Case c; |
| c.name = name; |
| c.args = std::move(args); |
| c.has_side_effects = has_side_effects; |
| c.returns_value = returns_value; |
| c.pipeline_stage = stage; |
| return c; |
| } |
| static std::ostream& operator<<(std::ostream& o, const Case& c) { |
| o << c.name << "("; |
| for (size_t i = 0; i < c.args.Length(); ++i) { |
| o << c.args[i]; |
| if (i + 1 != c.args.Length()) { |
| o << ", "; |
| } |
| } |
| o << ")"; |
| return o; |
| } |
| |
| using SideEffectsBuiltinTest = resolver::ResolverTestWithParam<Case>; |
| |
| TEST_P(SideEffectsBuiltinTest, Test) { |
| Enable(tint::builtin::Extension::kChromiumExperimentalDp4A); |
| auto& c = GetParam(); |
| |
| uint32_t next_binding = 0; |
| GlobalVar("f", ty.f32(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("i", ty.i32(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("u", ty.u32(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("b", ty.bool_(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("vf", ty.vec3<f32>(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("vf2", ty.vec2<f32>(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("vi2", ty.vec2<i32>(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("vf4", ty.vec4<f32>(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("vb", ty.vec3<bool>(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("m", ty.mat3x3<f32>(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("arr", ty.array<f32, 10>(), tint::builtin::AddressSpace::kPrivate); |
| GlobalVar("storage_arr", ty.array<f32>(), tint::builtin::AddressSpace::kStorage, Group(0_a), |
| Binding(AInt(next_binding++))); |
| GlobalVar("workgroup_arr", ty.array<f32, 4>(), tint::builtin::AddressSpace::kWorkgroup); |
| GlobalVar("a", ty.atomic(ty.i32()), tint::builtin::AddressSpace::kStorage, |
| tint::builtin::Access::kReadWrite, Group(0_a), Binding(AInt(next_binding++))); |
| if (c.pipeline_stage != ast::PipelineStage::kCompute) { |
| GlobalVar("t2d", ty.sampled_texture(type::TextureDimension::k2d, ty.f32()), Group(0_a), |
| Binding(AInt(next_binding++))); |
| GlobalVar("tdepth2d", ty.depth_texture(type::TextureDimension::k2d), Group(0_a), |
| Binding(AInt(next_binding++))); |
| GlobalVar("t2d_arr", ty.sampled_texture(type::TextureDimension::k2dArray, ty.f32()), |
| Group(0_a), Binding(AInt(next_binding++))); |
| GlobalVar("t2d_multi", ty.multisampled_texture(type::TextureDimension::k2d, ty.f32()), |
| Group(0_a), Binding(AInt(next_binding++))); |
| GlobalVar( |
| "tstorage2d", |
| ty.storage_texture(type::TextureDimension::k2d, tint::builtin::TexelFormat::kR32Float, |
| tint::builtin::Access::kWrite), |
| Group(0_a), Binding(AInt(next_binding++))); |
| GlobalVar("s2d", ty.sampler(type::SamplerKind::kSampler), Group(0_a), |
| Binding(AInt(next_binding++))); |
| GlobalVar("scomp", ty.sampler(type::SamplerKind::kComparisonSampler), Group(0_a), |
| Binding(AInt(next_binding++))); |
| } |
| |
| utils::Vector<const ast::Statement*, 4> stmts; |
| stmts.Push(Decl(Let("pstorage_arr", AddressOf("storage_arr")))); |
| if (c.pipeline_stage == ast::PipelineStage::kCompute) { |
| stmts.Push(Decl(Let("pworkgroup_arr", AddressOf("workgroup_arr")))); |
| } |
| stmts.Push(Decl(Let("pa", AddressOf("a")))); |
| |
| utils::Vector<const ast::Expression*, 5> args; |
| for (auto& a : c.args) { |
| args.Push(Expr(a)); |
| } |
| auto* expr = Call(c.name, args); |
| |
| utils::Vector<const ast::Attribute*, 2> attrs; |
| attrs.Push(create<ast::StageAttribute>(c.pipeline_stage)); |
| if (c.pipeline_stage == ast::PipelineStage::kCompute) { |
| attrs.Push(WorkgroupSize(Expr(1_u))); |
| } |
| |
| if (c.returns_value) { |
| stmts.Push(Assign(Phony(), expr)); |
| } else { |
| stmts.Push(CallStmt(expr)); |
| } |
| |
| Func("func", utils::Empty, ty.void_(), stmts, attrs); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Call>()); |
| EXPECT_EQ(c.has_side_effects, sem->HasSideEffects()); |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| SideEffectsTest_Builtins, |
| SideEffectsBuiltinTest, |
| testing::ValuesIn(std::vector<Case>{ |
| // No side-effect builts |
| C("abs", utils::Vector{"f"}, false, true), // |
| C("acos", utils::Vector{"f"}, false, true), // |
| C("acosh", utils::Vector{"f"}, false, true), // |
| C("all", utils::Vector{"vb"}, false, true), // |
| C("any", utils::Vector{"vb"}, false, true), // |
| C("arrayLength", utils::Vector{"pstorage_arr"}, false, true), // |
| C("asin", utils::Vector{"f"}, false, true), // |
| C("asinh", utils::Vector{"f"}, false, true), // |
| C("atan", utils::Vector{"f"}, false, true), // |
| C("atan2", utils::Vector{"f", "f"}, false, true), // |
| C("atanh", utils::Vector{"f"}, false, true), // |
| C("atomicLoad", utils::Vector{"pa"}, false, true), // |
| C("ceil", utils::Vector{"f"}, false, true), // |
| C("clamp", utils::Vector{"f", "f", "f"}, false, true), // |
| C("cos", utils::Vector{"f"}, false, true), // |
| C("cosh", utils::Vector{"f"}, false, true), // |
| C("countLeadingZeros", utils::Vector{"i"}, false, true), // |
| C("countOneBits", utils::Vector{"i"}, false, true), // |
| C("countTrailingZeros", utils::Vector{"i"}, false, true), // |
| C("cross", utils::Vector{"vf", "vf"}, false, true), // |
| C("degrees", utils::Vector{"f"}, false, true), // |
| C("determinant", utils::Vector{"m"}, false, true), // |
| C("distance", utils::Vector{"f", "f"}, false, true), // |
| C("dot", utils::Vector{"vf", "vf"}, false, true), // |
| C("dot4I8Packed", utils::Vector{"u", "u"}, false, true), // |
| C("dot4U8Packed", utils::Vector{"u", "u"}, false, true), // |
| C("exp", utils::Vector{"f"}, false, true), // |
| C("exp2", utils::Vector{"f"}, false, true), // |
| C("extractBits", utils::Vector{"i", "u", "u"}, false, true), // |
| C("faceForward", utils::Vector{"vf", "vf", "vf"}, false, true), // |
| C("firstLeadingBit", utils::Vector{"u"}, false, true), // |
| C("firstTrailingBit", utils::Vector{"u"}, false, true), // |
| C("floor", utils::Vector{"f"}, false, true), // |
| C("fma", utils::Vector{"f", "f", "f"}, false, true), // |
| C("fract", utils::Vector{"vf"}, false, true), // |
| C("frexp", utils::Vector{"f"}, false, true), // |
| C("insertBits", utils::Vector{"i", "i", "u", "u"}, false, true), // |
| C("inverseSqrt", utils::Vector{"f"}, false, true), // |
| C("ldexp", utils::Vector{"f", "i"}, false, true), // |
| C("length", utils::Vector{"vf"}, false, true), // |
| C("log", utils::Vector{"f"}, false, true), // |
| C("log2", utils::Vector{"f"}, false, true), // |
| C("max", utils::Vector{"f", "f"}, false, true), // |
| C("min", utils::Vector{"f", "f"}, false, true), // |
| C("mix", utils::Vector{"f", "f", "f"}, false, true), // |
| C("modf", utils::Vector{"f"}, false, true), // |
| C("normalize", utils::Vector{"vf"}, false, true), // |
| C("pack2x16float", utils::Vector{"vf2"}, false, true), // |
| C("pack2x16snorm", utils::Vector{"vf2"}, false, true), // |
| C("pack2x16unorm", utils::Vector{"vf2"}, false, true), // |
| C("pack4x8snorm", utils::Vector{"vf4"}, false, true), // |
| C("pack4x8unorm", utils::Vector{"vf4"}, false, true), // |
| C("pow", utils::Vector{"f", "f"}, false, true), // |
| C("radians", utils::Vector{"f"}, false, true), // |
| C("reflect", utils::Vector{"vf", "vf"}, false, true), // |
| C("refract", utils::Vector{"vf", "vf", "f"}, false, true), // |
| C("reverseBits", utils::Vector{"u"}, false, true), // |
| C("round", utils::Vector{"f"}, false, true), // |
| C("select", utils::Vector{"f", "f", "b"}, false, true), // |
| C("sign", utils::Vector{"f"}, false, true), // |
| C("sin", utils::Vector{"f"}, false, true), // |
| C("sinh", utils::Vector{"f"}, false, true), // |
| C("smoothstep", utils::Vector{"f", "f", "f"}, false, true), // |
| C("sqrt", utils::Vector{"f"}, false, true), // |
| C("step", utils::Vector{"f", "f"}, false, true), // |
| C("tan", utils::Vector{"f"}, false, true), // |
| C("tanh", utils::Vector{"f"}, false, true), // |
| C("textureDimensions", utils::Vector{"t2d"}, false, true), // |
| C("textureGather", utils::Vector{"tdepth2d", "s2d", "vf2"}, false, true), // |
| C("textureGatherCompare", utils::Vector{"tdepth2d", "scomp", "vf2", "f"}, false, true), // |
| C("textureLoad", utils::Vector{"t2d", "vi2", "i"}, false, true), // |
| C("textureNumLayers", utils::Vector{"t2d_arr"}, false, true), // |
| C("textureNumLevels", utils::Vector{"t2d"}, false, true), // |
| C("textureNumSamples", utils::Vector{"t2d_multi"}, false, true), // |
| C("textureSampleCompareLevel", |
| utils::Vector{"tdepth2d", "scomp", "vf2", "f"}, |
| false, |
| true), // |
| C("textureSampleGrad", utils::Vector{"t2d", "s2d", "vf2", "vf2", "vf2"}, false, true), // |
| C("textureSampleLevel", utils::Vector{"t2d", "s2d", "vf2", "f"}, false, true), // |
| C("transpose", utils::Vector{"m"}, false, true), // |
| C("trunc", utils::Vector{"f"}, false, true), // |
| C("unpack2x16float", utils::Vector{"u"}, false, true), // |
| C("unpack2x16snorm", utils::Vector{"u"}, false, true), // |
| C("unpack2x16unorm", utils::Vector{"u"}, false, true), // |
| C("unpack4x8snorm", utils::Vector{"u"}, false, true), // |
| C("unpack4x8unorm", utils::Vector{"u"}, false, true), // |
| C("storageBarrier", utils::Empty, false, false, ast::PipelineStage::kCompute), // |
| C("workgroupBarrier", utils::Empty, false, false, ast::PipelineStage::kCompute), // |
| C("textureSample", utils::Vector{"t2d", "s2d", "vf2"}, false, true), // |
| C("textureSampleBias", utils::Vector{"t2d", "s2d", "vf2", "f"}, false, true), // |
| C("textureSampleCompare", utils::Vector{"tdepth2d", "scomp", "vf2", "f"}, false, true), // |
| C("dpdx", utils::Vector{"f"}, false, true), // |
| C("dpdxCoarse", utils::Vector{"f"}, false, true), // |
| C("dpdxFine", utils::Vector{"f"}, false, true), // |
| C("dpdy", utils::Vector{"f"}, false, true), // |
| C("dpdyCoarse", utils::Vector{"f"}, false, true), // |
| C("dpdyFine", utils::Vector{"f"}, false, true), // |
| C("fwidth", utils::Vector{"f"}, false, true), // |
| C("fwidthCoarse", utils::Vector{"f"}, false, true), // |
| C("fwidthFine", utils::Vector{"f"}, false, true), // |
| |
| // Side-effect builtins |
| C("atomicAdd", utils::Vector{"pa", "i"}, true, true), // |
| C("atomicAnd", utils::Vector{"pa", "i"}, true, true), // |
| C("atomicCompareExchangeWeak", utils::Vector{"pa", "i", "i"}, true, true), // |
| C("atomicExchange", utils::Vector{"pa", "i"}, true, true), // |
| C("atomicMax", utils::Vector{"pa", "i"}, true, true), // |
| C("atomicMin", utils::Vector{"pa", "i"}, true, true), // |
| C("atomicOr", utils::Vector{"pa", "i"}, true, true), // |
| C("atomicStore", utils::Vector{"pa", "i"}, true, false), // |
| C("atomicSub", utils::Vector{"pa", "i"}, true, true), // |
| C("atomicXor", utils::Vector{"pa", "i"}, true, true), // |
| C("textureStore", utils::Vector{"tstorage2d", "vi2", "vf4"}, true, false), // |
| C("workgroupUniformLoad", |
| utils::Vector{"pworkgroup_arr"}, |
| true, |
| true, |
| ast::PipelineStage::kCompute), // |
| |
| // Unimplemented builtins |
| // C("quantizeToF16", utils::Vector{"f"}, false), // |
| // C("saturate", utils::Vector{"f"}, false), // |
| })); |
| |
| } // namespace builtin_tests |
| |
| TEST_F(SideEffectsTest, Call_Function) { |
| Func("f", utils::Empty, ty.i32(), utils::Vector{Return(1_i)}); |
| auto* expr = Call("f"); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Call>()); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Call_TypeConversion_NoSE) { |
| auto* var = Decl(Var("a", ty.i32())); |
| auto* expr = Call<f32>("a"); |
| WrapInFunction(var, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Call>()); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Call_TypeConversion_SE) { |
| MakeSideEffectFunc<i32>("se"); |
| auto* expr = Call<f32>(Call("se")); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Call>()); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Call_TypeInitializer_NoSE) { |
| auto* var = Decl(Var("a", ty.f32())); |
| auto* expr = Call<f32>("a"); |
| WrapInFunction(var, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Call>()); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Call_TypeInitializer_SE) { |
| MakeSideEffectFunc<f32>("se"); |
| auto* expr = Call<f32>(Call("se")); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Call>()); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, MemberAccessor_Struct_NoSE) { |
| auto* s = Structure("S", utils::Vector{Member("m", ty.i32())}); |
| auto* var = Decl(Var("a", ty.Of(s))); |
| auto* expr = MemberAccessor("a", "m"); |
| WrapInFunction(var, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, MemberAccessor_Struct_SE) { |
| auto* s = Structure("S", utils::Vector{Member("m", ty.i32())}); |
| MakeSideEffectFunc("se", [&] { return ty.Of(s); }); |
| auto* expr = MemberAccessor(Call("se"), "m"); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, MemberAccessor_Vector) { |
| auto* var = Decl(Var("a", ty.vec4<f32>())); |
| auto* expr = MemberAccessor("a", "x"); |
| WrapInFunction(var, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->UnwrapLoad()->Is<sem::MemberAccessorExpression>()); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, MemberAccessor_VectorSwizzleNoSE) { |
| auto* var = Decl(Var("a", ty.vec4<f32>())); |
| auto* expr = MemberAccessor("a", "xzyw"); |
| WrapInFunction(var, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Swizzle>()); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, MemberAccessor_VectorSwizzleSE) { |
| MakeSideEffectFunc("se", [&] { return ty.vec4<f32>(); }); |
| auto* expr = MemberAccessor(Call("se"), "xzyw"); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->Is<sem::Swizzle>()); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Binary_NoSE) { |
| auto* a = Decl(Var("a", ty.i32())); |
| auto* b = Decl(Var("b", ty.i32())); |
| auto* expr = Add("a", "b"); |
| WrapInFunction(a, b, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Binary_LeftSE) { |
| MakeSideEffectFunc<i32>("se"); |
| auto* b = Decl(Var("b", ty.i32())); |
| auto* expr = Add(Call("se"), "b"); |
| WrapInFunction(b, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Binary_RightSE) { |
| MakeSideEffectFunc<i32>("se"); |
| auto* a = Decl(Var("a", ty.i32())); |
| auto* expr = Add("a", Call("se")); |
| WrapInFunction(a, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Binary_BothSE) { |
| MakeSideEffectFunc<i32>("se1"); |
| MakeSideEffectFunc<i32>("se2"); |
| auto* expr = Add(Call("se1"), Call("se2")); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Unary_NoSE) { |
| auto* var = Decl(Var("a", ty.bool_())); |
| auto* expr = Not("a"); |
| WrapInFunction(var, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Unary_SE) { |
| MakeSideEffectFunc<bool>("se"); |
| auto* expr = Not(Call("se")); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, IndexAccessor_NoSE) { |
| auto* var = Decl(Var("a", ty.array<i32, 10>())); |
| auto* expr = IndexAccessor("a", 0_i); |
| WrapInFunction(var, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, IndexAccessor_ObjSE) { |
| MakeSideEffectFunc("se", [&] { return ty.array<i32, 10>(); }); |
| auto* expr = IndexAccessor(Call("se"), 0_i); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, IndexAccessor_IndexSE) { |
| MakeSideEffectFunc<i32>("se"); |
| auto* var = Decl(Var("a", ty.array<i32, 10>())); |
| auto* expr = IndexAccessor("a", Call("se")); |
| WrapInFunction(var, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, IndexAccessor_BothSE) { |
| MakeSideEffectFunc("se1", [&] { return ty.array<i32, 10>(); }); |
| MakeSideEffectFunc<i32>("se2"); |
| auto* expr = IndexAccessor(Call("se1"), Call("se2")); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Bitcast_NoSE) { |
| auto* var = Decl(Var("a", ty.i32())); |
| auto* expr = Bitcast<f32>("a"); |
| WrapInFunction(var, expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_FALSE(sem->HasSideEffects()); |
| } |
| |
| TEST_F(SideEffectsTest, Bitcast_SE) { |
| MakeSideEffectFunc<i32>("se"); |
| auto* expr = Bitcast<f32>(Call("se")); |
| WrapInFunction(expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| auto* sem = Sem().Get(expr); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->HasSideEffects()); |
| } |
| |
| } // namespace |
| } // namespace tint::resolver |
