| // Copyright 2020 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "src/tint/lang/core/fluent_types.h" |
| #include "src/tint/lang/spirv/writer/ast_printer/helper_test.h" |
| #include "src/tint/lang/spirv/writer/common/spv_dump_test.h" |
| |
| using namespace tint::core::number_suffixes; // NOLINT |
| using namespace tint::core::fluent_types; // NOLINT |
| |
| namespace tint::spirv::writer { |
| namespace { |
| |
| using SpirvASTPrinterTest = TestHelper; |
| |
| TEST_F(SpirvASTPrinterTest, Bitcast) { |
| auto* bitcast = Bitcast<u32>(Expr(2.4_f)); |
| |
| WrapInFunction(bitcast); |
| |
| Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| EXPECT_EQ(b.GenerateBitcastExpression(bitcast), 1u); |
| |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%2 = OpTypeInt 32 0 |
| %3 = OpTypeFloat 32 |
| %4 = OpConstant %3 2.4000001 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()), |
| R"(%1 = OpBitcast %2 %4 |
| )"); |
| } |
| |
| TEST_F(SpirvASTPrinterTest, Bitcast_DuplicateType) { |
| auto* bitcast = Bitcast<f32>(Expr(2.4_f)); |
| |
| WrapInFunction(bitcast); |
| |
| Builder& b = Build(); |
| |
| b.PushFunctionForTesting(); |
| EXPECT_EQ(b.GenerateBitcastExpression(bitcast), 1u); |
| |
| EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%2 = OpTypeFloat 32 |
| %3 = OpConstant %2 2.4000001 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()), |
| R"(%1 = OpCopyObject %2 %3 |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::spirv::writer |