| ; 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 |
| } |
