1 // Check that the object size check is disabled at -O0.
2 //
3 // RUN: %clang -target x86_64-linux-gnu -fsanitize=object-size %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-OSIZE
4 // RUN: %clang -target x86_64-linux-gnu -fsanitize=object-size %s -O0 -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-OSIZE
5 // RUN: %clang -target x86_64-linux-gnu -fsanitize=null,object-size %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-OSIZE
6 // RUN: %clang -target x86_64-linux-gnu -Werror -fsanitize=null,object-size %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-OSIZE
7 // RUN: %clang -target x86_64-linux-gnu -fsanitize=undefined %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-OSIZE-NO-WARNING
8 
9 // Check that the object size check is enabled at other optimization levels.
10 //
11 // RUN: %clang -target x86_64-linux-gnu -fsanitize=undefined -O1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
12 // RUN: %clang -target x86_64-linux-gnu -fsanitize=object-size -O2 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
13 // RUN: %clang -target x86_64-linux-gnu -fsanitize=object-size -O3 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
14 // RUN: %clang -target x86_64-linux-gnu -fsanitize=object-size -O4 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
15 // RUN: %clang -target x86_64-linux-gnu -fsanitize=object-size -Ofast %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
16 // RUN: %clang -target x86_64-linux-gnu -fsanitize=object-size -Os %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
17 // RUN: %clang -target x86_64-linux-gnu -fsanitize=object-size -Oz %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
18 // RUN: %clang -target x86_64-linux-gnu -fsanitize=object-size -Og %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
19 
20 // Use of trap mode shouldn't affect the object size check.
21 //
22 // RUN: %clang -target x86_64-linux-gnu -fsanitize=undefined -fsanitize-trap=undefined -O1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
23 // RUN: %clang -target x86_64-linux-gnu -fsanitize=undefined-trap -O1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
24 // RUN: %clang -target x86_64-linux-gnu -fsanitize=undefined-trap -fsanitize-undefined-trap-on-error -O1 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-HAS-OSIZE
25 
26 // CHECK-HAS-OSIZE-NOT: warning: the object size sanitizer
27 // CHECK-HAS-OSIZE: -fsanitize={{[^ ]*}}object-size
28 
29 // CHECK-NO-OSIZE: warning: the object size sanitizer has no effect at -O0, but is explicitly enabled: -fsanitize={{[^ ]*}}object-size
30 // CHECK-NO-OSIZE-NOT: -fsanitize={{[^ ]*}}object-size
31 
32 // CHECK-NO-OSIZE-NO-WARNING-NOT: -fsanitize={{[^ ]*}}object-size
33