1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm %s -o - | FileCheck %s
2
3 #define strcpy(dest, src) \
4 ((__builtin_object_size(dest, 0) != -1ULL) \
5 ? __builtin___strcpy_chk (dest, src, __builtin_object_size(dest, 1)) \
6 : __inline_strcpy_chk(dest, src))
7
__inline_strcpy_chk(char * dest,const char * src)8 static char *__inline_strcpy_chk (char *dest, const char *src) {
9 return __builtin___strcpy_chk(dest, src, __builtin_object_size(dest, 1));
10 }
11
12 char gbuf[63];
13 char *gp;
14 int gi, gj;
15
16 // CHECK: define void @test1
test1()17 void test1() {
18 // CHECK: = call i8* @__strcpy_chk(i8* getelementptr inbounds ([63 x i8]* @gbuf, i32 0, i64 4), i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0), i64 59)
19 strcpy(&gbuf[4], "Hi there");
20 }
21
22 // CHECK: define void @test2
test2()23 void test2() {
24 // CHECK: = call i8* @__strcpy_chk(i8* getelementptr inbounds ([63 x i8]* @gbuf, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0), i64 63)
25 strcpy(gbuf, "Hi there");
26 }
27
28 // CHECK: define void @test3
test3()29 void test3() {
30 // CHECK: = call i8* @__strcpy_chk(i8* getelementptr inbounds ([63 x i8]* @gbuf, i64 1, i64 37), i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0), i64 0)
31 strcpy(&gbuf[100], "Hi there");
32 }
33
34 // CHECK: define void @test4
test4()35 void test4() {
36 // CHECK: = call i8* @__strcpy_chk(i8* getelementptr inbounds ([63 x i8]* @gbuf, i32 0, i64 -1), i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0), i64 0)
37 strcpy((char*)(void*)&gbuf[-1], "Hi there");
38 }
39
40 // CHECK: define void @test5
test5()41 void test5() {
42 // CHECK: = load i8** @gp
43 // CHECK-NEXT:= call i64 @llvm.objectsize.i64(i8* %{{.*}}, i1 false)
44 strcpy(gp, "Hi there");
45 }
46
47 // CHECK: define void @test6
test6()48 void test6() {
49 char buf[57];
50
51 // CHECK: = call i8* @__strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0), i64 53)
52 strcpy(&buf[4], "Hi there");
53 }
54
55 // CHECK: define void @test7
test7()56 void test7() {
57 int i;
58 // CHECK: = call i64 @llvm.objectsize.i64(i8* {{.*}}@gbuf{{.*}}, i1 false)
59 strcpy((++i, gbuf), "Hi there");
60 }
61
62 // CHECK: define void @test8
test8()63 void test8() {
64 char *buf[50];
65 // CHECK-NOT: __strcpy_chk
66 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0))
67 strcpy(buf[++gi], "Hi there");
68 }
69
70 // CHECK: define void @test9
test9()71 void test9() {
72 // CHECK-NOT: __strcpy_chk
73 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0))
74 strcpy((char *)((++gi) + gj), "Hi there");
75 }
76
77 // CHECK: define void @test10
78 char **p;
test10()79 void test10() {
80 // CHECK-NOT: __strcpy_chk
81 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0))
82 strcpy(*(++p), "Hi there");
83 }
84
85 // CHECK: define void @test11
test11()86 void test11() {
87 // CHECK-NOT: __strcpy_chk
88 // CHECK: = call i8* @__inline_strcpy_chk(i8* getelementptr inbounds ([63 x i8]* @gbuf, i32 0, i32 0), i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0))
89 strcpy(gp = gbuf, "Hi there");
90 }
91
92 // CHECK: define void @test12
test12()93 void test12() {
94 // CHECK-NOT: __strcpy_chk
95 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0))
96 strcpy(++gp, "Hi there");
97 }
98
99 // CHECK: define void @test13
test13()100 void test13() {
101 // CHECK-NOT: __strcpy_chk
102 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0))
103 strcpy(gp++, "Hi there");
104 }
105
106 // CHECK: define void @test14
test14()107 void test14() {
108 // CHECK-NOT: __strcpy_chk
109 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0))
110 strcpy(--gp, "Hi there");
111 }
112
113 // CHECK: define void @test15
test15()114 void test15() {
115 // CHECK-NOT: __strcpy_chk
116 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{..*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0))
117 strcpy(gp--, "Hi there");
118 }
119
120 // CHECK: define void @test16
test16()121 void test16() {
122 // CHECK-NOT: __strcpy_chk
123 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0))
124 strcpy(gp += 1, "Hi there");
125 }
126
test17()127 void test17() {
128 // CHECK: store i32 -1
129 gi = __builtin_object_size(gp++, 0);
130 // CHECK: store i32 -1
131 gi = __builtin_object_size(gp++, 1);
132 // CHECK: store i32 0
133 gi = __builtin_object_size(gp++, 2);
134 // CHECK: store i32 0
135 gi = __builtin_object_size(gp++, 3);
136 }
137