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f885a90a5f
Move the generic code for building up a SPIR-V module from Builder to a new Module class. This can then be reused by the new IR-based SPIR-V writer. Switches to naming of methods to camel case to bring in line with the rest of the codebase. Bug: tint:1906 Change-Id: I7775edff6fe56328c6562559c016a19097b50805 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/131340 Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Commit-Queue: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com>
64 lines
1.8 KiB
C++
64 lines
1.8 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 "src/tint/writer/spirv/spv_dump.h"
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#include "src/tint/writer/spirv/test_helper.h"
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using namespace tint::number_suffixes; // NOLINT
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namespace tint::writer::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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auto* bitcast = Bitcast<u32>(Expr(2.4_f));
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WrapInFunction(bitcast);
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spirv::Builder& b = Build();
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b.PushFunctionForTesting();
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EXPECT_EQ(b.GenerateBitcastExpression(bitcast), 1u);
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EXPECT_EQ(DumpInstructions(b.Module().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.CurrentFunction().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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auto* bitcast = Bitcast<f32>(Expr(2.4_f));
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WrapInFunction(bitcast);
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spirv::Builder& b = Build();
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b.PushFunctionForTesting();
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EXPECT_EQ(b.GenerateBitcastExpression(bitcast), 1u);
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EXPECT_EQ(DumpInstructions(b.Module().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.CurrentFunction().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 tint::writer::spirv
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