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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
// RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -fptrauth-intrinsics -emit-llvm %s -O0 -o - | FileCheck %s
#define __ptrauth(...) __ptrauth(__VA_ARGS__)
__INTPTR_TYPE__ __ptrauth(1, 0, 56) g1 = 0;
// CHECK: @g1 = global i64 0
__INTPTR_TYPE__ __ptrauth(1, 1, 1272) g2 = 0;
// CHECK: @g2 = global i64 0
extern __UINTPTR_TYPE__ test_int;
__UINTPTR_TYPE__ __ptrauth(3, 1, 23) g3 = (__UINTPTR_TYPE__)&test_int;
// CHECK: @test_int = external global i64
// CHECK: @g3 = global i64 ptrtoint (ptr ptrauth (ptr @test_int, i32 3, i64 23, ptr @g3) to i64)
__INTPTR_TYPE__ __ptrauth(1, 1, 712) ga[3] = {0,0,(__UINTPTR_TYPE__)&test_int};
// CHECK: @ga = global [3 x i64] [i64 0, i64 0, i64 ptrtoint (ptr ptrauth (ptr @test_int, i32 1, i64 712, ptr getelementptr inbounds ([3 x i64], ptr @ga, i32 0, i32 2)) to i64)]
struct A {
__INTPTR_TYPE__ __ptrauth(1, 0, 431) f0;
__INTPTR_TYPE__ __ptrauth(1, 0, 9182) f1;
__INTPTR_TYPE__ __ptrauth(1, 0, 783) f2;
};
struct A gs1 = {0, 0, (__UINTPTR_TYPE__)&test_int};
// CHECK: @gs1 = global %struct.A { i64 0, i64 0, i64 ptrtoint (ptr ptrauth (ptr @test_int, i32 1, i64 783) to i64) }
struct B {
__INTPTR_TYPE__ __ptrauth(1, 1, 1276) f0;
__INTPTR_TYPE__ __ptrauth(1, 1, 23674) f1;
__INTPTR_TYPE__ __ptrauth(1, 1, 163) f2;
};
struct B gs2 = {0, 0, (__UINTPTR_TYPE__)&test_int};
// CHECK: @gs2 = global %struct.B { i64 0, i64 0, i64 ptrtoint (ptr ptrauth (ptr @test_int, i32 1, i64 163, ptr getelementptr inbounds (%struct.B, ptr @gs2, i32 0, i32 2)) to i64) }
// CHECK-LABEL: i64 @test_read_globals
__INTPTR_TYPE__ test_read_globals() {
__INTPTR_TYPE__ result = g1 + g2 + g3;
// CHECK: [[A:%.*]] = load i64, ptr @g1
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[A]], i32 1, i64 56)
// CHECK: [[B:%.*]] = load i64, ptr @g2
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 ptrtoint (ptr @g2 to i64), i64 1272)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[B]], i32 1, i64 [[BLENDED]])
// CHECK: [[VALUE:%.*]] = load i64, ptr @g3
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 ptrtoint (ptr @g3 to i64), i64 23)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[VALUE]], i32 3, i64 [[BLENDED]])
for (int i = 0; i < 3; i++) {
result += ga[i];
}
// CHECK: for.cond:
// CHECK: [[TEMP:%.*]] = load i32, ptr [[IDX_ADDR:%.*]]
// CHECK: for.body:
// CHECK: [[IDX:%.*]] = load i32, ptr [[IDX_ADDR]]
// CHECK: [[IDXPROM:%.*]] = sext i32 [[IDX]] to i64
// CHECK: [[ARRAYIDX:%.*]] = getelementptr inbounds [3 x i64], ptr @ga, i64 0, i64 [[IDXPROM]]
// CHECK: [[VALUE:%.*]] = load i64, ptr [[ARRAYIDX]]
// CHECK: [[CASTIDX:%.*]] = ptrtoint ptr [[ARRAYIDX]] to i64
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[CASTIDX]], i64 712)
// CHECK: resign.nonnull6:
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[VALUE]], i32 1, i64 [[BLENDED]])
// CHECK: resign.cont7
result += gs1.f0 + gs1.f1 + gs1.f2;
// CHECK: resign.cont10:
// CHECK: [[ADDR:%.*]] = load i64, ptr getelementptr inbounds nuw (%struct.A, ptr @gs1, i32 0, i32 1
// CHECK: resign.nonnull11:
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[ADDR]], i32 1, i64 9182)
// CHECK: resign.cont12:
// CHECK: [[ADDR:%.*]] = load i64, ptr getelementptr inbounds nuw (%struct.A, ptr @gs1, i32 0, i32 2)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[ADDR]], i32 1, i64 783)
result += gs2.f0 + gs2.f1 + gs2.f2;
// CHECK: [[ADDR:%.*]] = load i64, ptr @gs2
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 ptrtoint (ptr @gs2 to i64), i64 1276)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[ADDR]], i32 1, i64 [[BLENDED]])
// CHECK: [[ADDR:%.*]] = load i64, ptr getelementptr inbounds nuw (%struct.B, ptr @gs2, i32 0, i32 1)
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 ptrtoint (ptr getelementptr inbounds nuw (%struct.B, ptr @gs2, i32 0, i32 1) to i64), i64 23674)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[ADDR]], i32 1, i64 [[BLENDED]])
// CHECK: [[ADDR:%.*]] = load i64, ptr getelementptr inbounds nuw (%struct.B, ptr @gs2, i32 0, i32 2)
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 ptrtoint (ptr getelementptr inbounds nuw (%struct.B, ptr @gs2, i32 0, i32 2) to i64), i64 163)
return result;
}
// CHECK-LABEL: void @test_write_globals
void test_write_globals(int i, __INTPTR_TYPE__ j) {
g1 = i;
g2 = j;
g3 = 0;
ga[0] = i;
ga[1] = j;
ga[2] = 0;
gs1.f0 = i;
gs1.f1 = j;
gs1.f2 = 0;
gs2.f0 = i;
gs2.f1 = j;
gs2.f2 = 0;
}
// CHECK-LABEL: define void @test_set_A
void test_set_A(struct A *a, __INTPTR_TYPE__ x, int y) {
a->f0 = x;
// CHECK: [[XADDR:%.*]] = load i64, ptr %x.addr
// CHECK: [[SIGNED_X:%.*]] = call i64 @llvm.ptrauth.sign(i64 [[XADDR]], i32 1, i64 431)
a->f1 = y;
// CHECK: [[Y:%.*]] = load i32, ptr %y.addr
// CHECK: [[CONV:%.*]] = sext i32 [[Y]] to i64
// CHECK: [[SIGNED:%.*]] = call i64 @llvm.ptrauth.sign(i64 [[CONV]], i32 1, i64 9182)
a->f2 = 0;
// CHECK: [[A:%.*]] = load ptr, ptr %a.addr
// CHECK: [[F2:%.*]] = getelementptr inbounds nuw %struct.A, ptr [[A]], i32 0, i32 2
// CHECK: store i64 0, ptr [[F2]]
}
// CHECK-LABEL: define void @test_set_B
void test_set_B(struct B *b, __INTPTR_TYPE__ x, int y) {
b->f0 = x;
// CHECK: [[X:%.*]] = load i64, ptr %x.addr
// CHECK: [[F0_ADDR:%.*]] = ptrtoint ptr %f0 to i64
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[F0_ADDR]], i64 1276)
// CHECK: [[SIGNED:%.*]] = call i64 @llvm.ptrauth.sign(i64 [[X]], i32 1, i64 [[BLENDED]])
b->f1 = y;
// CHECK: [[B:%.*]] = load ptr, ptr %b.addr
// CHECK: [[F1_ADDR:%.*]] = getelementptr inbounds nuw %struct.B, ptr [[B]], i32 0, i32 1
// CHECK: [[Y:%.*]] = load i32, ptr %y.addr, align 4
// CHECK: [[CONV:%.*]] = sext i32 [[Y]] to i64
// CHECK: [[CAST_ADDR:%.*]] = ptrtoint ptr [[F1_ADDR]] to i64
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[CAST_ADDR]], i64 23674)
// CHECK: [[SIGNED:%.*]] = call i64 @llvm.ptrauth.sign(i64 [[CONV]], i32 1, i64 [[BLENDED]])
b->f2 = 0;
// CHECK: [[B:%.*]] = load ptr, ptr %b.addr
// CHECK: [[F2_ADDR:%.*]] = getelementptr inbounds nuw %struct.B, ptr [[B]], i32 0, i32 2
// CHECK: store i64 0, ptr [[F2_ADDR]]
}
// CHECK-LABEL: define i64 @test_get_A
__INTPTR_TYPE__ test_get_A(struct A *a) {
return a->f0 + a->f1 + a->f2;
// CHECK: [[A:%.*]] = load ptr, ptr %a.addr
// CHECK: [[F0_ADDR:%.*]] = getelementptr inbounds nuw %struct.A, ptr [[A]], i32 0, i32 0
// CHECK: [[F0:%.*]] = load i64, ptr [[F0_ADDR]]
// CHECK: [[AUTH:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[F0]], i32 1, i64 431)
// CHECK: [[A:%.*]] = load ptr, ptr %a.addr
// CHECK: [[F1_ADDR:%.*]] = getelementptr inbounds nuw %struct.A, ptr [[A]], i32 0, i32 1
// CHECK: [[F1:%.*]] = load i64, ptr [[F1_ADDR]]
// CHECK: [[AUTH:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[F1]], i32 1, i64 9182)
// CHECK: [[A:%.*]] = load ptr, ptr %a.addr
// CHECK: [[F2_ADDR:%.*]] = getelementptr inbounds nuw %struct.A, ptr [[A]], i32 0, i32 2
// CHECK: [[F2:%.*]] = load i64, ptr [[F2_ADDR]]
// CHECK: [[AUTH:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[F2]], i32 1, i64 783)
}
// CHECK-LABEL: define i64 @test_get_B
__INTPTR_TYPE__ test_get_B(struct B *b) {
return b->f0 + b->f1 + b->f2;
// CHECK: [[B:%.*]] = load ptr, ptr %b.addr
// CHECK: [[F0:%.*]] = getelementptr inbounds nuw %struct.B, ptr [[B]], i32 0, i32 0
// CHECK: [[VALUE:%.*]] = load i64, ptr [[F0]]
// CHECK: [[CASTF0:%.*]] = ptrtoint ptr %f0 to i64
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[CASTF0]], i64 1276)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[VALUE]], i32 1, i64 [[BLENDED]])
// CHECK: [[B:%.*]] = load ptr, ptr %b.addr
// CHECK: [[ADDR:%.*]] = getelementptr inbounds nuw %struct.B, ptr [[B]], i32 0, i32 1
// CHECK: [[VALUE:%.*]] = load i64, ptr [[ADDR]]
// CHECK: [[CAST_ADDR:%.*]] = ptrtoint ptr [[ADDR]] to i64
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[CAST_ADDR]], i64 23674)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[VALUE]], i32 1, i64 [[BLENDED]])
// CHECK: [[B:%.*]] = load ptr, ptr %b.addr
// CHECK: [[ADDR:%.*]] = getelementptr inbounds nuw %struct.B, ptr [[B]], i32 0, i32 2
// CHECK: [[VALUE:%.*]] = load i64, ptr [[ADDR]]
// CHECK: [[CAST_ADDR:%.*]] = ptrtoint ptr [[ADDR]] to i64
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[CAST_ADDR]], i64 163)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[VALUE]], i32 1, i64 [[BLENDED]])
}
// CHECK-LABEL: define void @test_resign
void test_resign(struct A* a, const struct B *b) {
a->f0 = b->f0;
// CHECK: [[A:%.*]] = load ptr, ptr %a.addr, align 8
// CHECK: [[F0:%.*]] = getelementptr inbounds nuw %struct.A, ptr [[A]], i32 0, i32 0
// CHECK: [[B:%.*]] = load ptr, ptr %b.addr, align 8
// CHECK: [[F01:%.*]] = getelementptr inbounds nuw %struct.B, ptr [[B]], i32 0, i32 0
// CHECK: [[F01VALUE:%.*]] = load i64, ptr [[F01]]
// CHECK: [[CASTF01:%.*]] = ptrtoint ptr %f01 to i64
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[CASTF01]], i64 1276)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.resign(i64 [[F01VALUE]], i32 1, i64 [[BLENDED]], i32 1, i64 431)
}
// CHECK-LABEL: define i64 @other_test
__INTPTR_TYPE__ other_test(__INTPTR_TYPE__ i) {
__INTPTR_TYPE__ __ptrauth(1, 1, 42) j = 0;
// CHECK: [[J_ADDR:%.*]] = ptrtoint ptr %j to i64
// CHECK: store i64 0, ptr %j
__INTPTR_TYPE__ __ptrauth(1, 1, 43) k = 1234;
// CHECK: [[ADDR:%.*]] = ptrtoint ptr %k to i64
// CHECK: [[JBLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[ADDR]], i64 43)
// CHECK: [[SIGNED:%.*]] = call i64 @llvm.ptrauth.sign(i64 1234, i32 1, i64 [[JBLENDED]])
__INTPTR_TYPE__ __ptrauth(1, 1, 44) l = i;
// CHECK: [[I:%.*]] = load i64, ptr %i.addr
// CHECK: [[ADDR:%.*]] = ptrtoint ptr %l to i64
// CHECK: [[LBLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[ADDR]], i64 44)
// CHECK: [[SIGNED:%.*]] = call i64 @llvm.ptrauth.sign(i64 [[I]], i32 1, i64 [[LBLENDED]])
asm volatile ("" ::: "memory");
return j + k + l;
// CHECK: [[VALUE:%.*]] = load i64, ptr %j
// CHECK: [[CAST_ADDR:%.*]] = ptrtoint ptr %j to i64
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[CAST_ADDR]], i64 42)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[VALUE]], i32 1, i64 [[BLENDED]])
// CHECK: [[VALUE:%.*]] = load i64, ptr %k
// CHECK: [[CASTK:%.*]] = ptrtoint ptr %k to i64
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[CASTK]], i64 43)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[VALUE]], i32 1, i64 [[BLENDED]])
// CHECK: [[VALUE:%.*]] = load i64, ptr %l
// CHECK: [[CASTL:%.*]] = ptrtoint ptr %l to i64
// CHECK: [[BLENDED:%.*]] = call i64 @llvm.ptrauth.blend(i64 [[CASTL]], i64 44)
// CHECK: [[AUTHED:%.*]] = call i64 @llvm.ptrauth.auth(i64 [[VALUE]], i32 1, i64 [[BLENDED]])
}
|
