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https://github.com/encounter/dawn-cmake.git
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224ce729cc
The tests that were in ptr_ref_* should have been in var_let_*. Move these to the right place, and add more tests that actually test the pointer access. Bug: tint:846 Change-Id: I383fcbf7eeb4a1428cf50c52bc2958720458adcb Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53388 Auto-Submit: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
122 lines
4.3 KiB
C++
122 lines
4.3 KiB
C++
// Copyright 2021 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/ast/struct_block_decoration.h"
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#include "src/resolver/resolver.h"
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#include "src/resolver/resolver_test_helper.h"
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#include "src/sem/reference_type.h"
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#include "gmock/gmock.h"
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namespace tint {
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namespace resolver {
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namespace {
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struct ResolverPtrRefTest : public resolver::TestHelper,
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public testing::Test {};
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TEST_F(ResolverPtrRefTest, AddressOf) {
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// var v : i32;
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// &v
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auto* v = Var("v", ty.i32(), ast::StorageClass::kNone);
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auto* expr = AddressOf(v);
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WrapInFunction(v, expr);
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EXPECT_TRUE(r()->Resolve()) << r()->error();
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ASSERT_TRUE(TypeOf(expr)->Is<sem::Pointer>());
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EXPECT_TRUE(TypeOf(expr)->As<sem::Pointer>()->StoreType()->Is<sem::I32>());
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EXPECT_EQ(TypeOf(expr)->As<sem::Pointer>()->StorageClass(),
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ast::StorageClass::kFunction);
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}
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TEST_F(ResolverPtrRefTest, AddressOfThenDeref) {
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// var v : i32;
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// *(&v)
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auto* v = Var("v", ty.i32(), ast::StorageClass::kNone);
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auto* expr = Deref(AddressOf(v));
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WrapInFunction(v, expr);
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EXPECT_TRUE(r()->Resolve()) << r()->error();
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ASSERT_TRUE(TypeOf(expr)->Is<sem::Reference>());
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EXPECT_TRUE(TypeOf(expr)->As<sem::Reference>()->StoreType()->Is<sem::I32>());
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}
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TEST_F(ResolverPtrRefTest, DefaultPtrStorageClass) {
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// https://gpuweb.github.io/gpuweb/wgsl/#storage-class
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auto* buf = Structure("S", {Member("m", ty.i32())},
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{create<ast::StructBlockDecoration>()});
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auto* function = Var("f", ty.i32());
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auto* private_ = Global("p", ty.i32(), ast::StorageClass::kPrivate);
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auto* workgroup = Global("w", ty.i32(), ast::StorageClass::kWorkgroup);
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auto* uniform = Global("ub", buf, ast::StorageClass::kUniform,
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ast::DecorationList{
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create<ast::BindingDecoration>(0),
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create<ast::GroupDecoration>(0),
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});
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auto* storage = Global("sb", buf, ast::StorageClass::kStorage,
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ast::DecorationList{
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create<ast::BindingDecoration>(1),
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create<ast::GroupDecoration>(0),
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});
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auto* function_ptr =
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Const("f_ptr", ty.pointer(ty.i32(), ast::StorageClass::kFunction),
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AddressOf(function));
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auto* private_ptr =
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Const("p_ptr", ty.pointer(ty.i32(), ast::StorageClass::kPrivate),
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AddressOf(private_));
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auto* workgroup_ptr =
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Const("w_ptr", ty.pointer(ty.i32(), ast::StorageClass::kWorkgroup),
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AddressOf(workgroup));
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auto* uniform_ptr =
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Const("ub_ptr", ty.pointer(buf, ast::StorageClass::kUniform),
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AddressOf(uniform));
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auto* storage_ptr =
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Const("sb_ptr", ty.pointer(buf, ast::StorageClass::kStorage),
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AddressOf(storage));
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WrapInFunction(function, function_ptr, private_ptr, workgroup_ptr,
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uniform_ptr, storage_ptr);
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EXPECT_TRUE(r()->Resolve()) << r()->error();
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ASSERT_TRUE(TypeOf(function_ptr)->Is<sem::Pointer>());
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ASSERT_TRUE(TypeOf(private_ptr)->Is<sem::Pointer>());
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ASSERT_TRUE(TypeOf(workgroup_ptr)->Is<sem::Pointer>());
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ASSERT_TRUE(TypeOf(uniform_ptr)->Is<sem::Pointer>());
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ASSERT_TRUE(TypeOf(storage_ptr)->Is<sem::Pointer>());
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EXPECT_EQ(TypeOf(function_ptr)->As<sem::Pointer>()->Access(),
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ast::Access::kReadWrite);
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EXPECT_EQ(TypeOf(private_ptr)->As<sem::Pointer>()->Access(),
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ast::Access::kReadWrite);
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EXPECT_EQ(TypeOf(workgroup_ptr)->As<sem::Pointer>()->Access(),
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ast::Access::kReadWrite);
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EXPECT_EQ(TypeOf(uniform_ptr)->As<sem::Pointer>()->Access(),
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ast::Access::kRead);
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EXPECT_EQ(TypeOf(storage_ptr)->As<sem::Pointer>()->Access(),
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ast::Access::kRead);
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}
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} // namespace
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} // namespace resolver
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} // namespace tint
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