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 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 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 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 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 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 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 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 56 void test7() { 57 int i; 58 // CHECK-NOT: __strcpy_chk 59 // 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)) 60 strcpy((++i, gbuf), "Hi there"); 61 } 62 63 // CHECK: define void @test8 64 void test8() { 65 char *buf[50]; 66 // CHECK-NOT: __strcpy_chk 67 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0)) 68 strcpy(buf[++gi], "Hi there"); 69 } 70 71 // CHECK: define void @test9 72 void test9() { 73 // CHECK-NOT: __strcpy_chk 74 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0)) 75 strcpy((char *)((++gi) + gj), "Hi there"); 76 } 77 78 // CHECK: define void @test10 79 char **p; 80 void test10() { 81 // CHECK-NOT: __strcpy_chk 82 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0)) 83 strcpy(*(++p), "Hi there"); 84 } 85 86 // CHECK: define void @test11 87 void test11() { 88 // CHECK-NOT: __strcpy_chk 89 // 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)) 90 strcpy(gp = gbuf, "Hi there"); 91 } 92 93 // CHECK: define void @test12 94 void test12() { 95 // CHECK-NOT: __strcpy_chk 96 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0)) 97 strcpy(++gp, "Hi there"); 98 } 99 100 // CHECK: define void @test13 101 void test13() { 102 // CHECK-NOT: __strcpy_chk 103 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0)) 104 strcpy(gp++, "Hi there"); 105 } 106 107 // CHECK: define void @test14 108 void test14() { 109 // CHECK-NOT: __strcpy_chk 110 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0)) 111 strcpy(--gp, "Hi there"); 112 } 113 114 // CHECK: define void @test15 115 void test15() { 116 // CHECK-NOT: __strcpy_chk 117 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{..*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0)) 118 strcpy(gp--, "Hi there"); 119 } 120 121 // CHECK: define void @test16 122 void test16() { 123 // CHECK-NOT: __strcpy_chk 124 // CHECK: = call i8* @__inline_strcpy_chk(i8* %{{.*}}, i8* getelementptr inbounds ([9 x i8]* @.str, i32 0, i32 0)) 125 strcpy(gp += 1, "Hi there"); 126 } 127 128 void test17() { 129 // CHECK: store i32 -1 130 gi = __builtin_object_size(gp++, 0); 131 // CHECK: store i32 -1 132 gi = __builtin_object_size(gp++, 1); 133 // CHECK: store i32 0 134 gi = __builtin_object_size(gp++, 2); 135 // CHECK: store i32 0 136 gi = __builtin_object_size(gp++, 3); 137 } 138