xref: /aosp_15_r20/external/clang/test/CodeGen/address-safety-attr-kasan.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // Make sure the sanitize_address attribute is emitted when using both ASan and KASan.
2*67e74705SXin Li // Also document that __attribute__((no_sanitize_address)) doesn't disable KASan instrumentation.
3*67e74705SXin Li 
4*67e74705SXin Li /// RUN: %clang_cc1 -triple i386-unknown-linux -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-NOASAN %s
5*67e74705SXin Li /// RUN: %clang_cc1 -triple i386-unknown-linux -fsanitize=address -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-ASAN %s
6*67e74705SXin Li /// RUN: %clang_cc1 -triple i386-unknown-linux -fsanitize=kernel-address -emit-llvm -o - %s | FileCheck -check-prefix=CHECK-KASAN %s
7*67e74705SXin Li 
HasSanitizeAddress()8*67e74705SXin Li int HasSanitizeAddress() {
9*67e74705SXin Li   return 1;
10*67e74705SXin Li }
11*67e74705SXin Li // CHECK-NOASAN: {{Function Attrs: nounwind$}}
12*67e74705SXin Li // CHECK-ASAN: Function Attrs: nounwind sanitize_address
13*67e74705SXin Li // CHECK-KASAN: Function Attrs: nounwind sanitize_address
14*67e74705SXin Li 
15*67e74705SXin Li __attribute__((no_sanitize("address")))
NoSanitizeQuoteAddress()16*67e74705SXin Li int NoSanitizeQuoteAddress() {
17*67e74705SXin Li   return 0;
18*67e74705SXin Li }
19*67e74705SXin Li // CHECK-NOASAN: {{Function Attrs: nounwind$}}
20*67e74705SXin Li // CHECK-ASAN: {{Function Attrs: nounwind$}}
21*67e74705SXin Li // CHECK-KASAN: {{Function Attrs: nounwind sanitize_address$}}
22*67e74705SXin Li 
23*67e74705SXin Li __attribute__((no_sanitize_address))
NoSanitizeAddress()24*67e74705SXin Li int NoSanitizeAddress() {
25*67e74705SXin Li   return 0;
26*67e74705SXin Li }
27*67e74705SXin Li // CHECK-NOASAN: {{Function Attrs: nounwind$}}
28*67e74705SXin Li // CHECK-ASAN: {{Function Attrs: nounwind$}}
29*67e74705SXin Li // CHECK-KASAN: {{Function Attrs: nounwind sanitize_address$}}
30*67e74705SXin Li 
31*67e74705SXin Li __attribute__((no_sanitize("kernel-address")))
NoSanitizeKernelAddress()32*67e74705SXin Li int NoSanitizeKernelAddress() {
33*67e74705SXin Li   return 0;
34*67e74705SXin Li }
35*67e74705SXin Li 
36*67e74705SXin Li // CHECK-NOASAN: {{Function Attrs: nounwind$}}
37*67e74705SXin Li // CHECK-ASAN: {{Function Attrs: nounwind sanitize_address$}}
38*67e74705SXin Li // CHECK-KASAN: {{Function Attrs: nounwind$}}
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