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::Bit0));
72   EXPECT_EQ(8u, static_cast<uint32_t>(BitEnumWithNone::Bit3));
73 }
74 
75 TEST(EnumsGenTest, GeneratedSymbolToStringFnForBitEnum) {
76   EXPECT_EQ(stringifyBitEnumWithNone(BitEnumWithNone::None), "None");
77   EXPECT_EQ(stringifyBitEnumWithNone(BitEnumWithNone::Bit0), "Bit0");
78   EXPECT_EQ(stringifyBitEnumWithNone(BitEnumWithNone::Bit3), "Bit3");
79   EXPECT_EQ(
80       stringifyBitEnumWithNone(BitEnumWithNone::Bit0 | BitEnumWithNone::Bit3),
81       "Bit0|Bit3");
82 }
83 
84 TEST(EnumsGenTest, GeneratedStringToSymbolForBitEnum) {
85   EXPECT_EQ(symbolizeBitEnumWithNone("None"), BitEnumWithNone::None);
86   EXPECT_EQ(symbolizeBitEnumWithNone("Bit0"), BitEnumWithNone::Bit0);
87   EXPECT_EQ(symbolizeBitEnumWithNone("Bit3"), BitEnumWithNone::Bit3);
88   EXPECT_EQ(symbolizeBitEnumWithNone("Bit3|Bit0"),
89             BitEnumWithNone::Bit3 | BitEnumWithNone::Bit0);
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, GeneratedSymbolToStringFnForGroupedBitEnum) {
98   EXPECT_EQ(stringifyBitEnumWithGroup(BitEnumWithGroup::Bit0), "Bit0");
99   EXPECT_EQ(stringifyBitEnumWithGroup(BitEnumWithGroup::Bit3), "Bit3");
100   EXPECT_EQ(stringifyBitEnumWithGroup(BitEnumWithGroup::Bits0To3),
101             "Bit0|Bit1|Bit2|Bit3|Bits0To3");
102   EXPECT_EQ(stringifyBitEnumWithGroup(BitEnumWithGroup::Bit4), "Bit4");
103   EXPECT_EQ(stringifyBitEnumWithGroup(
104                 BitEnumWithGroup::Bit0 | BitEnumWithGroup::Bit1 |
105                 BitEnumWithGroup::Bit2 | BitEnumWithGroup::Bit4),
106             "Bit0|Bit1|Bit2|Bit4");
107 }
108 
109 TEST(EnumsGenTest, GeneratedStringToSymbolForGroupedBitEnum) {
110   EXPECT_EQ(symbolizeBitEnumWithGroup("Bit0"), BitEnumWithGroup::Bit0);
111   EXPECT_EQ(symbolizeBitEnumWithGroup("Bit3"), BitEnumWithGroup::Bit3);
112   EXPECT_EQ(symbolizeBitEnumWithGroup("Bit5"), llvm::None);
113   EXPECT_EQ(symbolizeBitEnumWithGroup("Bit3|Bit0"),
114             BitEnumWithGroup::Bit3 | BitEnumWithGroup::Bit0);
115 }
116 
117 TEST(EnumsGenTest, GeneratedOperator) {
118   EXPECT_TRUE(bitEnumContains(BitEnumWithNone::Bit0 | BitEnumWithNone::Bit3,
119                               BitEnumWithNone::Bit0));
120   EXPECT_FALSE(bitEnumContains(BitEnumWithNone::Bit0 & BitEnumWithNone::Bit3,
121                                BitEnumWithNone::Bit0));
122 }
123 
124 TEST(EnumsGenTest, GeneratedSymbolToCustomStringFn) {
125   EXPECT_EQ(stringifyPrettyIntEnum(PrettyIntEnum::Case1), "case_one");
126   EXPECT_EQ(stringifyPrettyIntEnum(PrettyIntEnum::Case2), "case_two");
127 }
128 
129 TEST(EnumsGenTest, GeneratedCustomStringToSymbolFn) {
130   auto one = symbolizePrettyIntEnum("case_one");
131   EXPECT_TRUE(one);
132   EXPECT_EQ(*one, PrettyIntEnum::Case1);
133 
134   auto two = symbolizePrettyIntEnum("case_two");
135   EXPECT_TRUE(two);
136   EXPECT_EQ(*two, PrettyIntEnum::Case2);
137 
138   auto none = symbolizePrettyIntEnum("Case1");
139   EXPECT_FALSE(none);
140 }
141 
142 TEST(EnumsGenTest, GeneratedIntAttributeClass) {
143   mlir::MLIRContext ctx;
144   I32Enum rawVal = I32Enum::Case5;
145 
146   I32EnumAttr enumAttr = I32EnumAttr::get(&ctx, rawVal);
147   EXPECT_NE(enumAttr, nullptr);
148   EXPECT_EQ(enumAttr.getValue(), rawVal);
149 
150   mlir::Type intType = mlir::IntegerType::get(&ctx, 32);
151   mlir::Attribute intAttr = mlir::IntegerAttr::get(intType, 5);
152   EXPECT_TRUE(intAttr.isa<I32EnumAttr>());
153   EXPECT_EQ(intAttr, enumAttr);
154 }
155 
156 TEST(EnumsGenTest, GeneratedStringAttributeClass) {
157   mlir::MLIRContext ctx;
158   StrEnum rawVal = StrEnum::CaseA;
159 
160   StrEnumAttr enumAttr = StrEnumAttr::get(&ctx, rawVal);
161   EXPECT_NE(enumAttr, nullptr);
162   EXPECT_EQ(enumAttr.getValue(), rawVal);
163 
164   mlir::Attribute strAttr = mlir::StringAttr::get(&ctx, "CaseA");
165   EXPECT_TRUE(strAttr.isa<StrEnumAttr>());
166   EXPECT_EQ(strAttr, enumAttr);
167 }
168 
169 TEST(EnumsGenTest, GeneratedBitAttributeClass) {
170   mlir::MLIRContext ctx;
171 
172   mlir::Type intType = mlir::IntegerType::get(&ctx, 32);
173   mlir::Attribute intAttr = mlir::IntegerAttr::get(
174       intType,
175       static_cast<uint32_t>(BitEnumWithNone::Bit0 | BitEnumWithNone::Bit3));
176   EXPECT_TRUE(intAttr.isa<BitEnumWithNoneAttr>());
177   EXPECT_TRUE(intAttr.isa<BitEnumWithoutNoneAttr>());
178 
179   intAttr = mlir::IntegerAttr::get(
180       intType, static_cast<uint32_t>(BitEnumWithGroup::Bits0To3) | (1u << 6));
181   EXPECT_FALSE(intAttr.isa<BitEnumWithGroupAttr>());
182 }
183