| ; Test that strlen/strnlen won't be converted to SRST if calls are | |
| ; marked with nobuiltin, eg. for sanitizers. | |
| ; | |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s | |
| declare i64 @strlen(i8 *%src) | |
| declare i64 @strnlen(i8 *%src, i64 %len) | |
| define i64 @f1(i32 %dummy, i8 *%src) { | |
| ; CHECK-LABEL: f1: | |
| ; CHECK: brasl %r14, strlen | |
| ; CHECK: br %r14 | |
| %res = call i64 @strlen(i8 *%src) nobuiltin | |
| ret i64 %res | |
| } | |
| ; Likewise for strnlen. | |
| define i64 @f2(i64 %len, i8 *%src) { | |
| ; CHECK-LABEL: f2: | |
| ; CHECK-NOT: srst | |
| ; CHECK: brasl %r14, strnlen | |
| ; CHECK: br %r14 | |
| %res = call i64 @strnlen(i8 *%src, i64 %len) nobuiltin | |
| ret i64 %res | |
| } |