; Test marking string functions as nobuiltin in address sanitizer. ; ; RUN: opt < %s -asan -S | FileCheck %s 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" target triple = "x86_64-unknown-linux-gnu" declare i8* @memchr(i8* %a, i32 %b, i64 %c) declare i32 @memcmp(i8* %a, i8* %b, i64 %c) declare i32 @strcmp(i8* %a, i8* %b) declare i8* @strcpy(i8* %a, i8* %b) declare i8* @stpcpy(i8* %a, i8* %b) declare i64 @strlen(i8* %a) declare i64 @strnlen(i8* %a, i64 %b) ; CHECK: call{{.*}}@memchr{{.*}} #[[ATTR:[0-9]+]] ; CHECK: call{{.*}}@memcmp{{.*}} #[[ATTR]] ; CHECK: call{{.*}}@strcmp{{.*}} #[[ATTR]] ; CHECK: call{{.*}}@strcpy{{.*}} #[[ATTR]] ; CHECK: call{{.*}}@stpcpy{{.*}} #[[ATTR]] ; CHECK: call{{.*}}@strlen{{.*}} #[[ATTR]] ; CHECK: call{{.*}}@strnlen{{.*}} #[[ATTR]] ; attributes #[[ATTR]] = { nobuiltin } define void @f1(i8* %a, i8* %b) nounwind uwtable sanitize_address { tail call i8* @memchr(i8* %a, i32 1, i64 12) tail call i32 @memcmp(i8* %a, i8* %b, i64 12) tail call i32 @strcmp(i8* %a, i8* %b) tail call i8* @strcpy(i8* %a, i8* %b) tail call i8* @stpcpy(i8* %a, i8* %b) tail call i64 @strlen(i8* %a) tail call i64 @strnlen(i8* %a, i64 12) ret void }