mirror of
https://github.com/encounter/dawn-cmake.git
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48bb366991
The current `cast` conversion code only handles scalar types and fails if provided with vectors. This CL updates the logic to accept scalars along with the provided scalar cases. Bug: tint:96 Change-Id: I60772e75286fc3ee7a9dfba6634db069062b22d0 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/23820 Reviewed-by: David Neto <dneto@google.com>
555 lines
16 KiB
C++
555 lines
16 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/cast_expression.h"
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#include "src/ast/float_literal.h"
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#include "src/ast/identifier_expression.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/sint_literal.h"
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#include "src/ast/type/f32_type.h"
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#include "src/ast/type/i32_type.h"
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#include "src/ast/type/u32_type.h"
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#include "src/ast/type/vector_type.h"
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#include "src/ast/uint_literal.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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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 = testing::Test;
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TEST_F(BuilderTest, Cast_FloatToU32) {
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ast::type::U32Type u32;
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ast::type::F32Type f32;
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ast::CastExpression cast(&u32,
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std::make_unique<ast::ScalarConstructorExpression>(
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std::make_unique<ast::FloatLiteral>(&f32, 2.4)));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateCastExpression(&cast), 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 = OpConvertFToU %2 %4
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)");
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}
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TEST_F(BuilderTest, Cast_FloatToI32) {
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ast::type::I32Type i32;
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ast::type::F32Type f32;
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ast::CastExpression cast(&i32,
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std::make_unique<ast::ScalarConstructorExpression>(
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std::make_unique<ast::FloatLiteral>(&f32, 2.4)));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateCastExpression(&cast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeInt 32 1
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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 = OpConvertFToS %2 %4
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)");
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}
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TEST_F(BuilderTest, Cast_I32ToFloat) {
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ast::type::I32Type i32;
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ast::type::F32Type f32;
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ast::CastExpression cast(&f32,
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std::make_unique<ast::ScalarConstructorExpression>(
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std::make_unique<ast::SintLiteral>(&i32, 2)));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateCastExpression(&cast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
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%3 = OpTypeInt 32 1
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%4 = OpConstant %3 2
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%1 = OpConvertSToF %2 %4
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)");
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}
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TEST_F(BuilderTest, Cast_U32ToFloat) {
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ast::type::U32Type u32;
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ast::type::F32Type f32;
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ast::CastExpression cast(&f32,
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std::make_unique<ast::ScalarConstructorExpression>(
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std::make_unique<ast::UintLiteral>(&u32, 2)));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateCastExpression(&cast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
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%3 = OpTypeInt 32 0
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%4 = OpConstant %3 2
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%1 = OpConvertUToF %2 %4
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)");
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}
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TEST_F(BuilderTest, Cast_WithLoad) {
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ast::type::F32Type f32;
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ast::type::I32Type i32;
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// var i : i32 = 1;
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// cast<f32>(i);
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auto var =
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std::make_unique<ast::Variable>("i", ast::StorageClass::kPrivate, &i32);
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ast::CastExpression cast(&f32,
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std::make_unique<ast::IdentifierExpression>("i"));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(var.get());
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(var.get())) << b.error();
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EXPECT_EQ(b.GenerateCastExpression(&cast), 5u) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeInt 32 1
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%2 = OpTypePointer Private %3
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%4 = OpConstantNull %3
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%1 = OpVariable %2 Private %4
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%6 = OpTypeFloat 32
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%7 = OpLoad %3 %1
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%5 = OpConvertSToF %6 %7
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)");
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}
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TEST_F(BuilderTest, Cast_WithAlias) {
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ast::type::I32Type i32;
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ast::type::F32Type f32;
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// type Int = i32
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// cast<Int>(1.f)
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ast::type::AliasType alias("Int", &i32);
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ast::CastExpression cast(&alias,
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std::make_unique<ast::ScalarConstructorExpression>(
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std::make_unique<ast::FloatLiteral>(&f32, 2.3)));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateCastExpression(&cast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeInt 32 1
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%3 = OpTypeFloat 32
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%4 = OpConstant %3 2.29999995
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%1 = OpConvertFToS %2 %4
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)");
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}
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TEST_F(BuilderTest, Cast_I32ToU32) {
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ast::type::U32Type u32;
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ast::type::I32Type i32;
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ast::CastExpression cast(&u32,
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std::make_unique<ast::ScalarConstructorExpression>(
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std::make_unique<ast::SintLiteral>(&i32, 2)));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateCastExpression(&cast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeInt 32 0
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%3 = OpTypeInt 32 1
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%4 = OpConstant %3 2
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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, Cast_U32ToI32) {
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ast::type::U32Type u32;
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ast::type::I32Type i32;
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ast::CastExpression cast(&i32,
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std::make_unique<ast::ScalarConstructorExpression>(
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std::make_unique<ast::UintLiteral>(&u32, 2)));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateCastExpression(&cast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeInt 32 1
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%3 = OpTypeInt 32 0
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%4 = OpConstant %3 2
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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, Cast_I32ToI32) {
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ast::type::I32Type i32;
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ast::CastExpression cast(&i32,
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std::make_unique<ast::ScalarConstructorExpression>(
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std::make_unique<ast::SintLiteral>(&i32, 2)));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateCastExpression(&cast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeInt 32 1
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%3 = OpConstant %2 2
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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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TEST_F(BuilderTest, Cast_U32ToU32) {
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ast::type::U32Type u32;
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ast::CastExpression cast(&u32,
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std::make_unique<ast::ScalarConstructorExpression>(
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std::make_unique<ast::UintLiteral>(&u32, 2)));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateCastExpression(&cast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeInt 32 0
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%3 = OpConstant %2 2
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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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TEST_F(BuilderTest, Cast_F32ToF32) {
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ast::type::F32Type f32;
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ast::CastExpression cast(&f32,
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std::make_unique<ast::ScalarConstructorExpression>(
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std::make_unique<ast::FloatLiteral>(&f32, 2.0)));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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EXPECT_EQ(b.GenerateCastExpression(&cast), 1u);
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EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32
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%3 = OpConstant %2 2
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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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TEST_F(BuilderTest, Cast_Vectors_I32_to_F32) {
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ast::type::I32Type i32;
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ast::type::VectorType ivec3(&i32, 3);
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ast::type::F32Type f32;
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ast::type::VectorType fvec3(&f32, 3);
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auto var =
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std::make_unique<ast::Variable>("i", ast::StorageClass::kPrivate, &ivec3);
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ast::CastExpression cast(&fvec3,
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std::make_unique<ast::IdentifierExpression>("i"));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(var.get());
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(var.get())) << b.error();
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EXPECT_EQ(b.GenerateCastExpression(&cast), 6u) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1
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%3 = OpTypeVector %4 3
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%2 = OpTypePointer Private %3
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%5 = OpConstantNull %3
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%1 = OpVariable %2 Private %5
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%8 = OpTypeFloat 32
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%7 = OpTypeVector %8 3
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%9 = OpLoad %3 %1
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%6 = OpConvertSToF %7 %9
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)");
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}
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TEST_F(BuilderTest, Cast_Vectors_U32_to_F32) {
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ast::type::U32Type u32;
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ast::type::VectorType uvec3(&u32, 3);
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ast::type::F32Type f32;
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ast::type::VectorType fvec3(&f32, 3);
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auto var =
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std::make_unique<ast::Variable>("i", ast::StorageClass::kPrivate, &uvec3);
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ast::CastExpression cast(&fvec3,
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std::make_unique<ast::IdentifierExpression>("i"));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(var.get());
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(var.get())) << b.error();
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EXPECT_EQ(b.GenerateCastExpression(&cast), 6u) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 0
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%3 = OpTypeVector %4 3
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%2 = OpTypePointer Private %3
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%5 = OpConstantNull %3
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%1 = OpVariable %2 Private %5
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%8 = OpTypeFloat 32
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%7 = OpTypeVector %8 3
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%9 = OpLoad %3 %1
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%6 = OpConvertUToF %7 %9
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)");
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}
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TEST_F(BuilderTest, Cast_Vectors_F32_to_I32) {
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ast::type::I32Type i32;
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ast::type::VectorType ivec3(&i32, 3);
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ast::type::F32Type f32;
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ast::type::VectorType fvec3(&f32, 3);
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auto var =
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std::make_unique<ast::Variable>("i", ast::StorageClass::kPrivate, &fvec3);
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ast::CastExpression cast(&ivec3,
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std::make_unique<ast::IdentifierExpression>("i"));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(var.get());
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(var.get())) << b.error();
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EXPECT_EQ(b.GenerateCastExpression(&cast), 6u) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeFloat 32
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%3 = OpTypeVector %4 3
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%2 = OpTypePointer Private %3
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%5 = OpConstantNull %3
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%1 = OpVariable %2 Private %5
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%8 = OpTypeInt 32 1
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%7 = OpTypeVector %8 3
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%9 = OpLoad %3 %1
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%6 = OpConvertFToS %7 %9
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)");
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}
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TEST_F(BuilderTest, Cast_Vectors_F32_to_U32) {
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ast::type::U32Type u32;
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ast::type::VectorType uvec3(&u32, 3);
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ast::type::F32Type f32;
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ast::type::VectorType fvec3(&f32, 3);
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auto var =
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std::make_unique<ast::Variable>("i", ast::StorageClass::kPrivate, &fvec3);
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ast::CastExpression cast(&uvec3,
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std::make_unique<ast::IdentifierExpression>("i"));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(var.get());
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ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
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Builder b(&mod);
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b.push_function(Function{});
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ASSERT_TRUE(b.GenerateGlobalVariable(var.get())) << b.error();
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EXPECT_EQ(b.GenerateCastExpression(&cast), 6u) << b.error();
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EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeFloat 32
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%3 = OpTypeVector %4 3
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%2 = OpTypePointer Private %3
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%5 = OpConstantNull %3
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%1 = OpVariable %2 Private %5
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%8 = OpTypeInt 32 0
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%7 = OpTypeVector %8 3
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)");
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EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
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R"(%9 = OpLoad %3 %1
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%6 = OpConvertFToU %7 %9
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)");
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}
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TEST_F(BuilderTest, Cast_Vectors_U32_to_U32) {
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ast::type::U32Type u32;
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ast::type::VectorType uvec3(&u32, 3);
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auto var =
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std::make_unique<ast::Variable>("i", ast::StorageClass::kPrivate, &uvec3);
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ast::CastExpression cast(&uvec3,
|
|
std::make_unique<ast::IdentifierExpression>("i"));
|
|
|
|
Context ctx;
|
|
ast::Module mod;
|
|
TypeDeterminer td(&ctx, &mod);
|
|
td.RegisterVariableForTesting(var.get());
|
|
ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
|
|
|
|
Builder b(&mod);
|
|
b.push_function(Function{});
|
|
ASSERT_TRUE(b.GenerateGlobalVariable(var.get())) << b.error();
|
|
EXPECT_EQ(b.GenerateCastExpression(&cast), 6u) << b.error();
|
|
|
|
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 0
|
|
%3 = OpTypeVector %4 3
|
|
%2 = OpTypePointer Private %3
|
|
%5 = OpConstantNull %3
|
|
%1 = OpVariable %2 Private %5
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
|
|
R"(%7 = OpLoad %3 %1
|
|
%6 = OpCopyObject %3 %7
|
|
)");
|
|
}
|
|
|
|
TEST_F(BuilderTest, Cast_Vectors_I32_to_U32) {
|
|
ast::type::U32Type u32;
|
|
ast::type::VectorType uvec3(&u32, 3);
|
|
ast::type::I32Type i32;
|
|
ast::type::VectorType ivec3(&i32, 3);
|
|
|
|
auto var =
|
|
std::make_unique<ast::Variable>("i", ast::StorageClass::kPrivate, &ivec3);
|
|
|
|
ast::CastExpression cast(&uvec3,
|
|
std::make_unique<ast::IdentifierExpression>("i"));
|
|
|
|
Context ctx;
|
|
ast::Module mod;
|
|
TypeDeterminer td(&ctx, &mod);
|
|
td.RegisterVariableForTesting(var.get());
|
|
ASSERT_TRUE(td.DetermineResultType(&cast)) << td.error();
|
|
|
|
Builder b(&mod);
|
|
b.push_function(Function{});
|
|
ASSERT_TRUE(b.GenerateGlobalVariable(var.get())) << b.error();
|
|
EXPECT_EQ(b.GenerateCastExpression(&cast), 6u) << b.error();
|
|
|
|
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1
|
|
%3 = OpTypeVector %4 3
|
|
%2 = OpTypePointer Private %3
|
|
%5 = OpConstantNull %3
|
|
%1 = OpVariable %2 Private %5
|
|
%8 = OpTypeInt 32 0
|
|
%7 = OpTypeVector %8 3
|
|
)");
|
|
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
|
|
R"(%9 = OpLoad %3 %1
|
|
%6 = OpBitcast %7 %9
|
|
)");
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace spirv
|
|
} // namespace writer
|
|
} // namespace tint
|