1 ; Test that strlen/strnlen won't be converted to SRST if calls are 2 ; marked with nobuiltin, eg. for sanitizers. 3 ; 4 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 5 6 declare i64 @strlen(i8 *%src) 7 declare i64 @strnlen(i8 *%src, i64 %len) 8 9 define i64 @f1(i32 %dummy, i8 *%src) { 10 ; CHECK-LABEL: f1: 11 ; CHECK: brasl %r14, strlen 12 ; CHECK: br %r14 13 %res = call i64 @strlen(i8 *%src) nobuiltin 14 ret i64 %res 15 } 16 17 ; Likewise for strnlen. 18 define i64 @f2(i64 %len, i8 *%src) { 19 ; CHECK-LABEL: f2: 20 ; CHECK-NOT: srst 21 ; CHECK: brasl %r14, strnlen 22 ; CHECK: br %r14 23 %res = call i64 @strnlen(i8 *%src, i64 %len) nobuiltin 24 ret i64 %res 25 } 26
