| // Copyright 2023 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/type/pointer.h" |
| #include "src/tint/writer/spirv/ir/test_helper_ir.h" |
| |
| using namespace tint::number_suffixes; // NOLINT |
| |
| namespace tint::writer::spirv { |
| namespace { |
| |
| TEST_F(SpvGeneratorImplTest, FunctionVar_NoInit) { |
| auto* func = b.CreateFunction(mod.symbols.Register("foo"), mod.types.Get<type::Void>()); |
| func->StartTarget()->BranchTo(func->EndTarget()); |
| |
| auto* ty = mod.types.Get<type::Pointer>( |
| mod.types.Get<type::I32>(), builtin::AddressSpace::kFunction, builtin::Access::kReadWrite); |
| func->StartTarget()->SetInstructions(utils::Vector{b.Declare(ty)}); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %7 = OpTypeInt 32 1 |
| %6 = OpTypePointer Function %7 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| %5 = OpVariable %6 Function |
| OpReturn |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, FunctionVar_WithInit) { |
| auto* func = b.CreateFunction(mod.symbols.Register("foo"), mod.types.Get<type::Void>()); |
| func->StartTarget()->BranchTo(func->EndTarget()); |
| |
| auto* ty = mod.types.Get<type::Pointer>( |
| mod.types.Get<type::I32>(), builtin::AddressSpace::kFunction, builtin::Access::kReadWrite); |
| auto* v = b.Declare(ty); |
| v->SetInitializer(b.Constant(42_i)); |
| |
| func->StartTarget()->SetInstructions(utils::Vector{v}); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %7 = OpTypeInt 32 1 |
| %6 = OpTypePointer Function %7 |
| %8 = OpConstant %7 42 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| %5 = OpVariable %6 Function |
| OpStore %5 %8 |
| OpReturn |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, FunctionVar_Name) { |
| auto* func = b.CreateFunction(mod.symbols.Register("foo"), mod.types.Get<type::Void>()); |
| func->StartTarget()->BranchTo(func->EndTarget()); |
| |
| auto* ty = mod.types.Get<type::Pointer>( |
| mod.types.Get<type::I32>(), builtin::AddressSpace::kFunction, builtin::Access::kReadWrite); |
| auto* v = b.Declare(ty); |
| func->StartTarget()->SetInstructions(utils::Vector{v}); |
| mod.SetName(v, "myvar"); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| OpName %5 "myvar" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %7 = OpTypeInt 32 1 |
| %6 = OpTypePointer Function %7 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| %5 = OpVariable %6 Function |
| OpReturn |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, FunctionVar_DeclInsideBlock) { |
| auto* func = b.CreateFunction(mod.symbols.Register("foo"), mod.types.Get<type::Void>()); |
| func->StartTarget()->BranchTo(func->EndTarget()); |
| |
| auto* ty = mod.types.Get<type::Pointer>( |
| mod.types.Get<type::I32>(), builtin::AddressSpace::kFunction, builtin::Access::kReadWrite); |
| auto* v = b.Declare(ty); |
| v->SetInitializer(b.Constant(42_i)); |
| |
| auto* i = b.CreateIf(b.Constant(true)); |
| i->False().target->As<ir::Block>()->BranchTo(func->EndTarget()); |
| i->Merge().target->As<ir::Block>()->BranchTo(func->EndTarget()); |
| |
| auto* true_block = i->True().target->As<ir::Block>(); |
| true_block->SetInstructions(utils::Vector{v}); |
| true_block->BranchTo(i->Merge().target); |
| |
| func->StartTarget()->BranchTo(i); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %9 = OpTypeBool |
| %8 = OpConstantTrue %9 |
| %12 = OpTypeInt 32 1 |
| %11 = OpTypePointer Function %12 |
| %13 = OpConstant %12 42 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| %10 = OpVariable %11 Function |
| OpSelectionMerge %5 None |
| OpBranchConditional %8 %6 %7 |
| %6 = OpLabel |
| OpStore %10 %13 |
| OpBranch %5 |
| %7 = OpLabel |
| OpReturn |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, FunctionVar_Load) { |
| auto* func = b.CreateFunction(mod.symbols.Register("foo"), mod.types.Get<type::Void>()); |
| func->StartTarget()->BranchTo(func->EndTarget()); |
| |
| auto* store_ty = mod.types.Get<type::I32>(); |
| auto* ty = mod.types.Get<type::Pointer>(store_ty, builtin::AddressSpace::kFunction, |
| builtin::Access::kReadWrite); |
| auto* v = b.Declare(ty); |
| func->StartTarget()->SetInstructions(utils::Vector{v, b.Load(v)}); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %7 = OpTypeInt 32 1 |
| %6 = OpTypePointer Function %7 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| %5 = OpVariable %6 Function |
| %8 = OpLoad %7 %5 |
| OpReturn |
| OpFunctionEnd |
| )"); |
| } |
| |
| TEST_F(SpvGeneratorImplTest, FunctionVar_Store) { |
| auto* func = b.CreateFunction(mod.symbols.Register("foo"), mod.types.Get<type::Void>()); |
| func->StartTarget()->BranchTo(func->EndTarget()); |
| |
| auto* ty = mod.types.Get<type::Pointer>( |
| mod.types.Get<type::I32>(), builtin::AddressSpace::kFunction, builtin::Access::kReadWrite); |
| auto* v = b.Declare(ty); |
| func->StartTarget()->SetInstructions(utils::Vector{v, b.Store(v, b.Constant(42_i))}); |
| |
| generator_.EmitFunction(func); |
| EXPECT_EQ(DumpModule(generator_.Module()), R"(OpName %1 "foo" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %7 = OpTypeInt 32 1 |
| %6 = OpTypePointer Function %7 |
| %8 = OpConstant %7 42 |
| %1 = OpFunction %2 None %3 |
| %4 = OpLabel |
| %5 = OpVariable %6 Function |
| OpStore %5 %8 |
| OpReturn |
| OpFunctionEnd |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::writer::spirv |