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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>
118 lines
3.6 KiB
C++
118 lines
3.6 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, UnaryOp_Negation_Integer) {
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auto* expr = create<ast::UnaryOpExpression>(ast::UnaryOp::kNegation, Expr(1_i));
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.PushFunctionForTesting();
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EXPECT_EQ(b.GenerateUnaryOpExpression(expr), 1u) << b.error();
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EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%2 = OpTypeInt 32 1
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%3 = OpConstant %2 1
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)");
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EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()),
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R"(%1 = OpSNegate %2 %3
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)");
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}
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TEST_F(BuilderTest, UnaryOp_Negation_Float) {
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auto* expr = create<ast::UnaryOpExpression>(ast::UnaryOp::kNegation, Expr(1_f));
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.PushFunctionForTesting();
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EXPECT_EQ(b.GenerateUnaryOpExpression(expr), 1u) << b.error();
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EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%2 = OpTypeFloat 32
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%3 = OpConstant %2 1
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)");
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EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()),
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R"(%1 = OpFNegate %2 %3
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)");
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}
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TEST_F(BuilderTest, UnaryOp_Complement) {
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auto* expr = create<ast::UnaryOpExpression>(ast::UnaryOp::kComplement, Expr(1_i));
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.PushFunctionForTesting();
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EXPECT_EQ(b.GenerateUnaryOpExpression(expr), 1u) << b.error();
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EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%2 = OpTypeInt 32 1
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%3 = OpConstant %2 1
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)");
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EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()),
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R"(%1 = OpNot %2 %3
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)");
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}
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TEST_F(BuilderTest, UnaryOp_Not) {
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auto* expr = create<ast::UnaryOpExpression>(ast::UnaryOp::kNot, Expr(false));
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WrapInFunction(expr);
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spirv::Builder& b = Build();
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b.PushFunctionForTesting();
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EXPECT_EQ(b.GenerateUnaryOpExpression(expr), 1u) << b.error();
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EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%2 = OpTypeBool
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%3 = OpConstantNull %2
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)");
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EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()),
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R"(%1 = OpLogicalNot %2 %3
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)");
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}
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TEST_F(BuilderTest, UnaryOp_LoadRequired) {
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auto* var = Var("param", ty.vec3<f32>());
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auto* expr = create<ast::UnaryOpExpression>(ast::UnaryOp::kNegation, Expr("param"));
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WrapInFunction(var, expr);
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spirv::Builder& b = Build();
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b.PushFunctionForTesting();
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EXPECT_TRUE(b.GenerateFunctionVariable(var)) << b.error();
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EXPECT_EQ(b.GenerateUnaryOpExpression(expr), 6u) << b.error();
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ASSERT_FALSE(b.has_error()) << b.error();
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EXPECT_EQ(DumpInstructions(b.Module().Types()), R"(%4 = OpTypeFloat 32
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%3 = OpTypeVector %4 3
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%2 = OpTypePointer Function %3
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%5 = OpConstantNull %3
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)");
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EXPECT_EQ(DumpInstructions(b.CurrentFunction().variables()),
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R"(%1 = OpVariable %2 Function %5
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)");
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EXPECT_EQ(DumpInstructions(b.CurrentFunction().instructions()),
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R"(%7 = OpLoad %3 %1
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%6 = OpFNegate %3 %7
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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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