File: DialectTest.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (145 lines) | stat: -rw-r--r-- 5,474 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
//===- DialectTest.cpp - Dialect unit tests -------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "mlir/IR/Dialect.h"
#include "mlir/IR/DialectInterface.h"
#include "gtest/gtest.h"

using namespace mlir;
using namespace mlir::detail;

namespace {
struct TestDialect : public Dialect {
  static StringRef getDialectNamespace() { return "test"; };
  TestDialect(MLIRContext *context)
      : Dialect(getDialectNamespace(), context, TypeID::get<TestDialect>()) {}
};
struct AnotherTestDialect : public Dialect {
  static StringRef getDialectNamespace() { return "test"; };
  AnotherTestDialect(MLIRContext *context)
      : Dialect(getDialectNamespace(), context,
                TypeID::get<AnotherTestDialect>()) {}
};

TEST(DialectDeathTest, MultipleDialectsWithSameNamespace) {
  MLIRContext context;

  // Registering a dialect with the same namespace twice should result in a
  // failure.
  context.loadDialect<TestDialect>();
  ASSERT_DEATH(context.loadDialect<AnotherTestDialect>(), "");
}

struct SecondTestDialect : public Dialect {
  static StringRef getDialectNamespace() { return "test2"; }
  SecondTestDialect(MLIRContext *context)
      : Dialect(getDialectNamespace(), context,
                TypeID::get<SecondTestDialect>()) {}
};

struct TestDialectInterfaceBase
    : public DialectInterface::Base<TestDialectInterfaceBase> {
  TestDialectInterfaceBase(Dialect *dialect) : Base(dialect) {}
  virtual int function() const { return 42; }
};

struct TestDialectInterface : public TestDialectInterfaceBase {
  using TestDialectInterfaceBase::TestDialectInterfaceBase;
  int function() const final { return 56; }
};

struct SecondTestDialectInterface : public TestDialectInterfaceBase {
  using TestDialectInterfaceBase::TestDialectInterfaceBase;
  int function() const final { return 78; }
};

TEST(Dialect, DelayedInterfaceRegistration) {
  DialectRegistry registry;
  registry.insert<TestDialect, SecondTestDialect>();

  // Delayed registration of an interface for TestDialect.
  registry.addDialectInterface<TestDialect, TestDialectInterface>();

  MLIRContext context(registry);

  // Load the TestDialect and check that the interface got registered for it.
  auto *testDialect = context.getOrLoadDialect<TestDialect>();
  ASSERT_TRUE(testDialect != nullptr);
  auto *testDialectInterface =
      testDialect->getRegisteredInterface<TestDialectInterfaceBase>();
  EXPECT_TRUE(testDialectInterface != nullptr);

  // Load the SecondTestDialect and check that the interface is not registered
  // for it.
  auto *secondTestDialect = context.getOrLoadDialect<SecondTestDialect>();
  ASSERT_TRUE(secondTestDialect != nullptr);
  auto *secondTestDialectInterface =
      secondTestDialect->getRegisteredInterface<SecondTestDialectInterface>();
  EXPECT_TRUE(secondTestDialectInterface == nullptr);

  // Use the same mechanism as for delayed registration but for an already
  // loaded dialect and check that the interface is now registered.
  DialectRegistry secondRegistry;
  secondRegistry.insert<SecondTestDialect>();
  secondRegistry
      .addDialectInterface<SecondTestDialect, SecondTestDialectInterface>();
  context.appendDialectRegistry(secondRegistry);
  secondTestDialectInterface =
      secondTestDialect->getRegisteredInterface<SecondTestDialectInterface>();
  EXPECT_TRUE(secondTestDialectInterface != nullptr);
}

TEST(Dialect, RepeatedDelayedRegistration) {
  // Set up the delayed registration.
  DialectRegistry registry;
  registry.insert<TestDialect>();
  registry.addDialectInterface<TestDialect, TestDialectInterface>();
  MLIRContext context(registry);

  // Load the TestDialect and check that the interface got registered for it.
  auto *testDialect = context.getOrLoadDialect<TestDialect>();
  ASSERT_TRUE(testDialect != nullptr);
  auto *testDialectInterface =
      testDialect->getRegisteredInterface<TestDialectInterfaceBase>();
  EXPECT_TRUE(testDialectInterface != nullptr);

  // Try adding the same dialect interface again and check that we don't crash
  // on repeated interface registration.
  DialectRegistry secondRegistry;
  secondRegistry.insert<TestDialect>();
  secondRegistry.addDialectInterface<TestDialect, TestDialectInterface>();
  context.appendDialectRegistry(secondRegistry);
  testDialectInterface =
      testDialect->getRegisteredInterface<TestDialectInterfaceBase>();
  EXPECT_TRUE(testDialectInterface != nullptr);
}

// A dialect that registers two interfaces with the same InterfaceID, triggering
// an assertion failure.
struct RepeatedRegistrationDialect : public Dialect {
  static StringRef getDialectNamespace() { return "repeatedreg"; }
  RepeatedRegistrationDialect(MLIRContext *context)
      : Dialect(getDialectNamespace(), context,
                TypeID::get<RepeatedRegistrationDialect>()) {
    addInterfaces<TestDialectInterface>();
    addInterfaces<SecondTestDialectInterface>();
  }
};

TEST(Dialect, RepeatedInterfaceRegistrationDeath) {
  MLIRContext context;
  (void)context;

  // This triggers an assertion in debug mode.
#ifndef NDEBUG
  ASSERT_DEATH(context.loadDialect<RepeatedRegistrationDialect>(),
               "interface kind has already been registered");
#endif
}

} // end namespace