| ; Test memchr using SRST, with a weird but usable prototype. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| |
| declare i8 *@memchr(i8 *%src, i16 %char, i32 %len) |
| |
| ; Test a simple forwarded call. |
| define i8 *@f1(i8 *%src, i16 %char, i32 %len) { |
| ; CHECK-LABEL: f1: |
| ; CHECK-DAG: lgr [[REG:%r[1-5]]], %r2 |
| ; CHECK-DAG: algfr %r2, %r4 |
| ; CHECK-DAG: llcr %r0, %r3 |
| ; CHECK: [[LABEL:\.[^:]*]]: |
| ; CHECK: srst %r2, [[REG]] |
| ; CHECK-NEXT: jo [[LABEL]] |
| ; CHECK: jl {{\.L.*}} |
| ; CHECK: lghi %r2, 0 |
| ; CHECK: br %r14 |
| %res = call i8 *@memchr(i8 *%src, i16 %char, i32 %len) |
| ret i8 *%res |
| } |
