1 //===- EnumsGenTest.cpp - TableGen EnumsGen Tests -------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "mlir/IR/BuiltinAttributes.h"
10 #include "mlir/IR/BuiltinTypes.h"
11 #include "mlir/IR/MLIRContext.h"
12 #include "mlir/Support/LLVM.h"
13 
14 #include "llvm/ADT/DenseMap.h"
15 #include "llvm/ADT/StringExtras.h"
16 #include "llvm/ADT/StringSwitch.h"
17 
18 #include "gmock/gmock.h"
19 
20 #include <type_traits>
21 
22 /// Pull in generated enum utility declarations and definitions.
23 #include "EnumsGenTest.h.inc"
24 
25 #include "EnumsGenTest.cpp.inc"
26 
27 /// Test namespaces and enum class/utility names.
28 using Outer::Inner::ConvertToEnum;
29 using Outer::Inner::ConvertToString;
30 using Outer::Inner::StrEnum;
31 using Outer::Inner::StrEnumAttr;
32 
33 TEST(EnumsGenTest, GeneratedStrEnumDefinition) {
34   EXPECT_EQ(0u, static_cast<uint64_t>(StrEnum::CaseA));
35   EXPECT_EQ(10u, static_cast<uint64_t>(StrEnum::CaseB));
36 }
37 
38 TEST(EnumsGenTest, GeneratedI32EnumDefinition) {
39   EXPECT_EQ(5u, static_cast<uint64_t>(I32Enum::Case5));
40   EXPECT_EQ(10u, static_cast<uint64_t>(I32Enum::Case10));
41 }
42 
43 TEST(EnumsGenTest, GeneratedDenseMapInfo) {
44   llvm::DenseMap<StrEnum, std::string> myMap;
45 
46   myMap[StrEnum::CaseA] = "zero";
47   myMap[StrEnum::CaseB] = "one";
48 
49   EXPECT_EQ(myMap[StrEnum::CaseA], "zero");
50   EXPECT_EQ(myMap[StrEnum::CaseB], "one");
51 }
52 
53 TEST(EnumsGenTest, GeneratedSymbolToStringFn) {
54   EXPECT_EQ(ConvertToString(StrEnum::CaseA), "CaseA");
55   EXPECT_EQ(ConvertToString(StrEnum::CaseB), "CaseB");
56 }
57 
58 TEST(EnumsGenTest, GeneratedStringToSymbolFn) {
59   EXPECT_EQ(llvm::Optional<StrEnum>(StrEnum::CaseA), ConvertToEnum("CaseA"));
60   EXPECT_EQ(llvm::Optional<StrEnum>(StrEnum::CaseB), ConvertToEnum("CaseB"));
61   EXPECT_EQ(llvm::None, ConvertToEnum("X"));
62 }
63 
64 TEST(EnumsGenTest, GeneratedUnderlyingType) {
65   bool v = std::is_same<uint32_t, std::underlying_type<I32Enum>::type>::value;
66   EXPECT_TRUE(v);
67 }
68 
69 TEST(EnumsGenTest, GeneratedBitEnumDefinition) {
70   EXPECT_EQ(0u, static_cast<uint32_t>(BitEnumWithNone::None));
71   EXPECT_EQ(1u, static_cast<uint32_t>(BitEnumWithNone::Bit1));
72   EXPECT_EQ(4u, static_cast<uint32_t>(BitEnumWithNone::Bit3));
73 }
74 
75 TEST(EnumsGenTest, GeneratedSymbolToStringFnForBitEnum) {
76   EXPECT_EQ(stringifyBitEnumWithNone(BitEnumWithNone::None), "None");
77   EXPECT_EQ(stringifyBitEnumWithNone(BitEnumWithNone::Bit1), "Bit1");
78   EXPECT_EQ(stringifyBitEnumWithNone(BitEnumWithNone::Bit3), "Bit3");
79   EXPECT_EQ(
80       stringifyBitEnumWithNone(BitEnumWithNone::Bit1 | BitEnumWithNone::Bit3),
81       "Bit1|Bit3");
82 }
83 
84 TEST(EnumsGenTest, GeneratedStringToSymbolForBitEnum) {
85   EXPECT_EQ(symbolizeBitEnumWithNone("None"), BitEnumWithNone::None);
86   EXPECT_EQ(symbolizeBitEnumWithNone("Bit1"), BitEnumWithNone::Bit1);
87   EXPECT_EQ(symbolizeBitEnumWithNone("Bit3"), BitEnumWithNone::Bit3);
88   EXPECT_EQ(symbolizeBitEnumWithNone("Bit3|Bit1"),
89             BitEnumWithNone::Bit3 | BitEnumWithNone::Bit1);
90 
91   EXPECT_EQ(symbolizeBitEnumWithNone("Bit2"), llvm::None);
92   EXPECT_EQ(symbolizeBitEnumWithNone("Bit3|Bit4"), llvm::None);
93 
94   EXPECT_EQ(symbolizeBitEnumWithoutNone("None"), llvm::None);
95 }
96 
97 TEST(EnumsGenTest, GeneratedOperator) {
98   EXPECT_TRUE(bitEnumContains(BitEnumWithNone::Bit1 | BitEnumWithNone::Bit3,
99                               BitEnumWithNone::Bit1));
100   EXPECT_FALSE(bitEnumContains(BitEnumWithNone::Bit1 & BitEnumWithNone::Bit3,
101                                BitEnumWithNone::Bit1));
102 }
103 
104 TEST(EnumsGenTest, GeneratedSymbolToCustomStringFn) {
105   EXPECT_EQ(stringifyPrettyIntEnum(PrettyIntEnum::Case1), "case_one");
106   EXPECT_EQ(stringifyPrettyIntEnum(PrettyIntEnum::Case2), "case_two");
107 }
108 
109 TEST(EnumsGenTest, GeneratedCustomStringToSymbolFn) {
110   auto one = symbolizePrettyIntEnum("case_one");
111   EXPECT_TRUE(one);
112   EXPECT_EQ(*one, PrettyIntEnum::Case1);
113 
114   auto two = symbolizePrettyIntEnum("case_two");
115   EXPECT_TRUE(two);
116   EXPECT_EQ(*two, PrettyIntEnum::Case2);
117 
118   auto none = symbolizePrettyIntEnum("Case1");
119   EXPECT_FALSE(none);
120 }
121 
122 TEST(EnumsGenTest, GeneratedIntAttributeClass) {
123   mlir::MLIRContext ctx;
124   I32Enum rawVal = I32Enum::Case5;
125 
126   I32EnumAttr enumAttr = I32EnumAttr::get(&ctx, rawVal);
127   EXPECT_NE(enumAttr, nullptr);
128   EXPECT_EQ(enumAttr.getValue(), rawVal);
129 
130   mlir::Type intType = mlir::IntegerType::get(&ctx, 32);
131   mlir::Attribute intAttr = mlir::IntegerAttr::get(intType, 5);
132   EXPECT_TRUE(intAttr.isa<I32EnumAttr>());
133   EXPECT_EQ(intAttr, enumAttr);
134 }
135 
136 TEST(EnumsGenTest, GeneratedStringAttributeClass) {
137   mlir::MLIRContext ctx;
138   StrEnum rawVal = StrEnum::CaseA;
139 
140   StrEnumAttr enumAttr = StrEnumAttr::get(&ctx, rawVal);
141   EXPECT_NE(enumAttr, nullptr);
142   EXPECT_EQ(enumAttr.getValue(), rawVal);
143 
144   mlir::Attribute strAttr = mlir::StringAttr::get(&ctx, "CaseA");
145   EXPECT_TRUE(strAttr.isa<StrEnumAttr>());
146   EXPECT_EQ(strAttr, enumAttr);
147 }
148 
149 TEST(EnumsGenTest, GeneratedBitAttributeClass) {
150   mlir::MLIRContext ctx;
151 
152   mlir::Type intType = mlir::IntegerType::get(&ctx, 32);
153   mlir::Attribute intAttr = mlir::IntegerAttr::get(
154       intType,
155       static_cast<uint32_t>(BitEnumWithNone::Bit1 | BitEnumWithNone::Bit3));
156   EXPECT_TRUE(intAttr.isa<BitEnumWithNoneAttr>());
157   EXPECT_TRUE(intAttr.isa<BitEnumWithoutNoneAttr>());
158 }
159