224 lines
6.7 KiB
C++
224 lines
6.7 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <memory>
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#include "gtest/gtest.h"
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#include "src/ast/binary_expression.h"
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#include "src/ast/float_literal.h"
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#include "src/ast/identifier_expression.h"
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#include "src/ast/scalar_constructor_expression.h"
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#include "src/ast/sint_literal.h"
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#include "src/ast/type/f32_type.h"
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#include "src/ast/type/i32_type.h"
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#include "src/ast/type/vector_type.h"
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#include "src/ast/type_constructor_expression.h"
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#include "src/ast/variable.h"
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#include "src/context.h"
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#include "src/type_determiner.h"
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#include "src/writer/spirv/builder.h"
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#include "src/writer/spirv/spv_dump.h"
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#include "src/writer/spirv/test_helper.h"
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namespace tint {
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namespace writer {
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namespace spirv {
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namespace {
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using BuilderTest = TestHelper;
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TEST_F(BuilderTest, IdentifierExpression_GlobalConst) {
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ast::type::F32 f32;
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ast::type::Vector vec(&f32, 3);
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ast::ExpressionList vals;
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vals.push_back(create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 1.0f)));
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vals.push_back(create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 1.0f)));
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vals.push_back(create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 3.0f)));
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auto* init = create<ast::TypeConstructorExpression>(&vec, vals);
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EXPECT_TRUE(td.DetermineResultType(init)) << td.error();
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ast::Variable v("var", ast::StorageClass::kOutput, &f32);
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v.set_constructor(init);
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v.set_is_const(true);
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td.RegisterVariableForTesting(&v);
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EXPECT_TRUE(b.GenerateGlobalVariable(&v)) << b.error();
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ASSERT_FALSE(b.has_error()) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
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%1 = OpTypeVector %2 3
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%3 = OpConstant %2 1
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%4 = OpConstant %2 3
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%5 = OpConstantComposite %1 %3 %3 %4
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)");
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ast::IdentifierExpression expr("var");
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ASSERT_TRUE(td.DetermineResultType(&expr));
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EXPECT_EQ(b.GenerateIdentifierExpression(&expr), 5u);
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}
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TEST_F(BuilderTest, IdentifierExpression_GlobalVar) {
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ast::type::F32 f32;
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ast::Variable v("var", ast::StorageClass::kOutput, &f32);
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td.RegisterVariableForTesting(&v);
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b.push_function(Function{});
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EXPECT_TRUE(b.GenerateGlobalVariable(&v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "tint_766172"
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32
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%2 = OpTypePointer Output %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Output %4
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)");
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ast::IdentifierExpression expr("var");
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ASSERT_TRUE(td.DetermineResultType(&expr));
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EXPECT_EQ(b.GenerateIdentifierExpression(&expr), 1u);
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}
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TEST_F(BuilderTest, IdentifierExpression_FunctionConst) {
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ast::type::F32 f32;
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ast::type::Vector vec(&f32, 3);
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ast::ExpressionList vals;
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vals.push_back(create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 1.0f)));
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vals.push_back(create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 1.0f)));
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vals.push_back(create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 3.0f)));
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auto* init = create<ast::TypeConstructorExpression>(&vec, vals);
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EXPECT_TRUE(td.DetermineResultType(init)) << td.error();
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ast::Variable v("var", ast::StorageClass::kOutput, &f32);
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v.set_constructor(init);
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v.set_is_const(true);
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td.RegisterVariableForTesting(&v);
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EXPECT_TRUE(b.GenerateFunctionVariable(&v)) << b.error();
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ASSERT_FALSE(b.has_error()) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
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%1 = OpTypeVector %2 3
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%3 = OpConstant %2 1
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%4 = OpConstant %2 3
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%5 = OpConstantComposite %1 %3 %3 %4
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)");
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ast::IdentifierExpression expr("var");
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ASSERT_TRUE(td.DetermineResultType(&expr));
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EXPECT_EQ(b.GenerateIdentifierExpression(&expr), 5u);
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}
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TEST_F(BuilderTest, IdentifierExpression_FunctionVar) {
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ast::type::F32 f32;
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ast::Variable v("var", ast::StorageClass::kNone, &f32);
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td.RegisterVariableForTesting(&v);
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b.push_function(Function{});
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EXPECT_TRUE(b.GenerateFunctionVariable(&v)) << b.error();
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EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "tint_766172"
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)");
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32
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%2 = OpTypePointer Function %3
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%4 = OpConstantNull %3
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)");
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const auto& func = b.functions()[0];
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EXPECT_EQ(DumpInstructions(func.variables()),
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R"(%1 = OpVariable %2 Function %4
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)");
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ast::IdentifierExpression expr("var");
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ASSERT_TRUE(td.DetermineResultType(&expr));
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EXPECT_EQ(b.GenerateIdentifierExpression(&expr), 1u);
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}
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TEST_F(BuilderTest, IdentifierExpression_Load) {
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ast::type::I32 i32;
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ast::Variable var("var", ast::StorageClass::kPrivate, &i32);
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td.RegisterVariableForTesting(&var);
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auto* lhs = create<ast::IdentifierExpression>("var");
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auto* rhs = create<ast::IdentifierExpression>("var");
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ast::BinaryExpression expr(ast::BinaryOp::kAdd, lhs, rhs);
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ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(&var)) << b.error();
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EXPECT_EQ(b.GenerateBinaryExpression(&expr), 7u) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeInt 32 1
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%2 = OpTypePointer Private %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Private %4
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%5 = OpLoad %3 %1
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%6 = OpLoad %3 %1
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%7 = OpIAdd %3 %5 %6
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)");
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}
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TEST_F(BuilderTest, IdentifierExpression_NoLoadConst) {
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ast::type::I32 i32;
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ast::Variable var("var", ast::StorageClass::kNone, &i32);
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var.set_constructor(create<ast::ScalarConstructorExpression>(
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create<ast::SintLiteral>(&i32, 2)));
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var.set_is_const(true);
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td.RegisterVariableForTesting(&var);
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auto* lhs = create<ast::IdentifierExpression>("var");
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auto* rhs = create<ast::IdentifierExpression>("var");
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ast::BinaryExpression expr(ast::BinaryOp::kAdd, lhs, rhs);
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ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(&var)) << b.error();
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EXPECT_EQ(b.GenerateBinaryExpression(&expr), 3u) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeInt 32 1
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%2 = OpConstant %1 2
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%3 = OpIAdd %1 %2 %2
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)");
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}
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} // namespace
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} // namespace spirv
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} // namespace writer
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} // namespace tint
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