1; Test marking string functions as nobuiltin in address sanitizer.
2;
3; RUN: opt < %s -asan -S | FileCheck %s
4target 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"
5target triple = "x86_64-unknown-linux-gnu"
6
7declare i8* @memchr(i8* %a, i32 %b, i64 %c)
8declare i32 @memcmp(i8* %a, i8* %b, i64 %c)
9declare i32 @strcmp(i8* %a, i8* %b)
10declare i8* @strcpy(i8* %a, i8* %b)
11declare i8* @stpcpy(i8* %a, i8* %b)
12declare i64 @strlen(i8* %a)
13declare i64 @strnlen(i8* %a, i64 %b)
14
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 }
23
24define void @f1(i8* %a, i8* %b) nounwind uwtable sanitize_address {
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)
32  ret void
33}
34