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
|
//===--- SILBitfieldTest.cpp ----------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
namespace swift {
class BasicBlockBitfield;
// Fake SILFunction and SILBasicBlock.
struct SILFunction {
BasicBlockBitfield *newestAliveBlockBitfield = nullptr;
int64_t currentBitfieldID = 1;
};
struct SILBasicBlock {
SILFunction *function;
uint32_t customBits = 0;
int64_t lastInitializedBitfieldID = 0;
enum { numCustomBits = 32 };
SILBasicBlock(SILFunction *function): function(function) {}
SILFunction *getFunction() const { return function; }
bool isMarkedAsDeleted() const { return false; }
unsigned getCustomBits() const { return customBits; }
void setCustomBits(unsigned value) { customBits = value; }
};
}
#define SWIFT_SIL_SILFUNCTION_H
#include "swift/SIL/BasicBlockBits.h"
using namespace swift;
namespace {
TEST(SILBitfieldTest, Basic) {
SILFunction f;
SILBasicBlock b(&f);
{
BasicBlockFlag A(&f);
EXPECT_FALSE(A.get(&b));
EXPECT_FALSE(A.testAndSet(&b));
EXPECT_TRUE(A.get(&b));
EXPECT_TRUE(A.testAndSet(&b));
EXPECT_TRUE(A.get(&b));
A.reset(&b);
EXPECT_FALSE(A.get(&b));
{
BasicBlockBitfield B(&f, 5);
EXPECT_EQ(B.get(&b), 0u);
B.set(&b, 27);
EXPECT_FALSE(A.get(&b));
EXPECT_EQ(B.get(&b), 27u);
A.set(&b);
EXPECT_TRUE(A.get(&b));
EXPECT_EQ(B.get(&b), 27u);
B.set(&b, 2);
EXPECT_TRUE(A.get(&b));
EXPECT_EQ(B.get(&b), 2u);
B.set(&b, 31);
EXPECT_TRUE(A.get(&b));
EXPECT_EQ(B.get(&b), 31u);
}
{
BasicBlockBitfield C(&f, 2);
EXPECT_EQ(C.get(&b), 0u);
BasicBlockFlag D(&f);
EXPECT_FALSE(D.get(&b));
BasicBlockBitfield E(&f, 3);
E.set(&b, 5);
EXPECT_TRUE(A.get(&b));
EXPECT_EQ(C.get(&b), 0u);
EXPECT_FALSE(D.get(&b));
EXPECT_EQ(E.get(&b), 5u);
C.set(&b, 1);
EXPECT_TRUE(A.get(&b));
EXPECT_EQ(C.get(&b), 1u);
EXPECT_FALSE(D.get(&b));
EXPECT_EQ(E.get(&b), 5u);
}
}
{
BasicBlockBitfield F(&f, 32);
EXPECT_EQ(F.get(&b), 0u);
F.set(&b, 0xdeadbeaf);
EXPECT_EQ(F.get(&b), 0xdeadbeaf);
}
}
}
|
