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16b1b9438d
create() is currently just a simple forwarder to std::make_unique<>, but will be later replaced with a function that returns a raw pointer, and owned by the context. Bug: tint:322 Change-Id: I5321553847b6a7d47ac211ba093d219c7f3bb9bd Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/32673 Commit-Queue: dan sinclair <dsinclair@chromium.org> Reviewed-by: dan sinclair <dsinclair@chromium.org>
81 lines
2.4 KiB
C++
81 lines
2.4 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 "gtest/gtest.h"
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#include "src/ast/bitcast_expression.h"
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#include "src/ast/float_literal.h"
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#include "src/ast/module.h"
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#include "src/ast/scalar_constructor_expression.h"
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#include "src/ast/type/f32_type.h"
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#include "src/ast/type/u32_type.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, Bitcast) {
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ast::type::U32Type u32;
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ast::type::F32Type f32;
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ast::BitcastExpression bitcast(&u32,
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create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 2.4)));
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ASSERT_TRUE(td.DetermineResultType(&bitcast)) << td.error();
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateBitcastExpression(&bitcast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeInt 32 0
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%3 = OpTypeFloat 32
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%4 = OpConstant %3 2.4000001
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%1 = OpBitcast %2 %4
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)");
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}
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TEST_F(BuilderTest, Bitcast_DuplicateType) {
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ast::type::F32Type f32;
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ast::BitcastExpression bitcast(&f32,
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create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 2.4)));
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ASSERT_TRUE(td.DetermineResultType(&bitcast)) << td.error();
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateBitcastExpression(&bitcast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
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%3 = OpConstant %2 2.4000001
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%1 = OpCopyObject %2 %3
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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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