blob: fafc79b95fea8768c38f21fb06e5b58448c15b58 [file] [log] [blame]
// Copyright 2020 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 "gtest/gtest-spi.h"
#include "src/tint/lang/spirv/writer/ast_printer/helper_test.h"
#include "src/tint/lang/spirv/writer/common/spv_dump_test.h"
namespace tint::spirv::writer {
namespace {
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
using SpirvASTPrinterTest = TestHelper;
TEST_F(SpirvASTPrinterTest, IdentifierExpression_GlobalConst) {
EXPECT_FATAL_FAILURE(
{
ProgramBuilder pb;
auto* init = pb.Call<vec3<f32>>(1_f, 1_f, 3_f);
auto* v = pb.GlobalConst("c", pb.ty.vec3<f32>(), init);
auto* expr = pb.Expr("c");
pb.WrapInFunction(expr);
auto program = std::make_unique<Program>(resolver::Resolve(pb));
auto b = std::make_unique<Builder>(program.get());
b->GenerateGlobalVariable(v);
b->GenerateIdentifierExpression(expr);
},
"internal compiler error: unable to find ID for variable: c");
}
TEST_F(SpirvASTPrinterTest, IdentifierExpression_GlobalVar) {
auto* v = GlobalVar("var", ty.f32(), core::AddressSpace::kPrivate);
auto* expr = Expr("var");
WrapInFunction(expr);
Builder& b = Build();
b.PushFunctionForTesting();
EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.Diagnostics();
EXPECT_EQ(DumpInstructions(b.Module().Debug()), R"(OpName %1 "var"
)");
EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%3 = OpTypeFloat 32
%2 = OpTypePointer Private %3
%4 = OpConstantNull %3
%1 = OpVariable %2 Private %4
)");
EXPECT_EQ(b.GenerateIdentifierExpression(expr), 1u);
}
TEST_F(SpirvASTPrinterTest, IdentifierExpression_FunctionConst) {
auto* init = Call<vec3<f32>>(1_f, 1_f, 3_f);
auto* v = Let("var", ty.vec3<f32>(), init);
auto* expr = Expr("var");
WrapInFunction(v, expr);
Builder& b = Build();
EXPECT_TRUE(b.GenerateFunctionVariable(v)) << b.Diagnostics();
ASSERT_FALSE(b.has_error()) << b.Diagnostics();
EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%2 = OpTypeFloat 32
%1 = OpTypeVector %2 3
%3 = OpConstant %2 1
%4 = OpConstant %2 3
%5 = OpConstantComposite %1 %3 %3 %4
)");
EXPECT_EQ(b.GenerateIdentifierExpression(expr), 5u);
}
TEST_F(SpirvASTPrinterTest, IdentifierExpression_FunctionVar) {
auto* v = Var("var", ty.f32(), core::AddressSpace::kFunction);
auto* expr = Expr("var");
WrapInFunction(v, expr);
Builder& b = Build();
b.PushFunctionForTesting();
EXPECT_TRUE(b.GenerateFunctionVariable(v)) << b.Diagnostics();
EXPECT_EQ(DumpInstructions(b.Module().Debug()), R"(OpName %1 "var"
)");
EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%3 = OpTypeFloat 32
%2 = OpTypePointer Function %3
%4 = OpConstantNull %3
)");
const auto& func = b.CurrentFunction();
EXPECT_EQ(DumpInstructions(func.variables()),
R"(%1 = OpVariable %2 Function %4
)");
EXPECT_EQ(b.GenerateIdentifierExpression(expr), 1u);
}
TEST_F(SpirvASTPrinterTest, IdentifierExpression_Load) {
auto* var = GlobalVar("var", ty.i32(), core::AddressSpace::kPrivate);
auto* expr = Add("var", "var");
WrapInFunction(expr);
Builder& b = Build();
b.PushFunctionForTesting();
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.Diagnostics();
EXPECT_EQ(b.GenerateBinaryExpression(expr->As<ast::BinaryExpression>()), 7u) << b.Diagnostics();
EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%3 = OpTypeInt 32 1
%2 = OpTypePointer Private %3
%4 = OpConstantNull %3
%1 = OpVariable %2 Private %4
)");
EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()),
R"(%5 = OpLoad %3 %1
%6 = OpLoad %3 %1
%7 = OpIAdd %3 %5 %6
)");
}
TEST_F(SpirvASTPrinterTest, IdentifierExpression_NoLoadConst) {
auto* let = Let("let", ty.i32(), Expr(2_i));
auto* expr = Add("let", "let");
WrapInFunction(let, expr);
Builder& b = Build();
b.PushFunctionForTesting();
ASSERT_TRUE(b.GenerateFunctionVariable(let)) << b.Diagnostics();
EXPECT_EQ(b.GenerateBinaryExpression(expr->As<ast::BinaryExpression>()), 3u) << b.Diagnostics();
EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%1 = OpTypeInt 32 1
%2 = OpConstant %1 2
)");
EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()),
R"(%3 = OpIAdd %1 %2 %2
)");
}
} // namespace
} // namespace tint::spirv::writer