stack-protector.c revision b6d6993e6e6d3daf4d9876794254d20a134e37c2 
1// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 0 | FileCheck -check-prefix=NOSSP %s
2// NOSSP: define void @test1(i8* %msg) #0 {
3// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 1 | FileCheck -check-prefix=WITHSSP %s
4// WITHSSP: define void @test1(i8* %msg) #0 {
5// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 2 | FileCheck -check-prefix=SSPSTRONG %s
6// SSPSTRONG: define void @test1(i8* %msg) #0 {
7// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 3 | FileCheck -check-prefix=SSPREQ %s
8// SSPREQ: define void @test1(i8* %msg) #0 {
9// RUN: %clang_cc1 -emit-llvm -o - %s -fsanitize=safe-stack | FileCheck -check-prefix=SAFESTACK %s
10// SAFESTACK: define void @test1(i8* %msg) #0 {
11
12typedef __SIZE_TYPE__ size_t;
13
14int printf(const char * _Format, ...);
15size_t strlen(const char *s);
16char *strcpy(char *s1, const char *s2);
17
18void test1(const char *msg) {
19  char a[strlen(msg) + 1];
20  strcpy(a, msg);
21  printf("%s\n", a);
22}
23
24// NOSSP: attributes #{{.*}} = { nounwind{{.*}} }
25
26// WITHSSP: attributes #{{.*}} = { nounwind ssp{{.*}} }
27
28// SSPSTRONG: attributes #{{.*}} = { nounwind sspstrong{{.*}} }
29
30// SSPREQ: attributes #{{.*}} = { nounwind sspreq{{.*}} }
31
32// SAFESTACK: attributes #{{.*}} = { nounwind safestack{{.*}} }
33