1 ; Test marking string functions as nobuiltin in thread sanitizer.
3 ; RUN: opt < %s -tsan -S | FileCheck %s
4 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
5 target triple = "x86_64-unknown-linux-gnu"
7 declare i8* @memchr(i8* %a, i32 %b, i64 %c) nounwind
8 declare i32 @memcmp(i8* %a, i8* %b, i64 %c) nounwind
9 declare i32 @strcmp(i8* %a, i8* %b) nounwind
10 declare i8* @strcpy(i8* %a, i8* %b) nounwind
11 declare i8* @stpcpy(i8* %a, i8* %b) nounwind
12 declare i64 @strlen(i8* %a) nounwind
13 declare i64 @strnlen(i8* %a, i64 %b) nounwind
15 ; CHECK: call{{.*}}@memchr{{.*}} #[[ATTR:[0-9]+]]
16 ; CHECK: call{{.*}}@memcmp{{.*}} #[[ATTR]]
17 ; CHECK: call{{.*}}@strcmp{{.*}} #[[ATTR]]
18 ; CHECK: call{{.*}}@strcpy{{.*}} #[[ATTR]]
19 ; CHECK: call{{.*}}@stpcpy{{.*}} #[[ATTR]]
20 ; CHECK: call{{.*}}@strlen{{.*}} #[[ATTR]]
21 ; CHECK: call{{.*}}@strnlen{{.*}} #[[ATTR]]
22 ; attributes #[[ATTR]] = { nobuiltin }
24 define void @f1(i8* %a, i8* %b) nounwind uwtable sanitize_thread {
25 tail call i8* @memchr(i8* %a, i32 1, i64 12)
26 tail call i32 @memcmp(i8* %a, i8* %b, i64 12)
27 tail call i32 @strcmp(i8* %a, i8* %b)
28 tail call i8* @strcpy(i8* %a, i8* %b)
29 tail call i8* @stpcpy(i8* %a, i8* %b)
30 tail call i64 @strlen(i8* %a)
31 tail call i64 @strnlen(i8* %a, i64 12)