| Richard Sandiford | 6f6d551 | 2013-08-20 09:38:48 +0000 | [diff] [blame] | 1 | ; Test memchr using SRST, with a weird but usable prototype. |
| 2 | ; |
| 3 | ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| 4 | |
| 5 | declare i8 *@memchr(i8 *%src, i16 %char, i32 %len) |
| 6 | |
| 7 | ; Test a simple forwarded call. |
| 8 | define i8 *@f1(i8 *%src, i16 %char, i32 %len) { |
| 9 | ; CHECK-LABEL: f1: |
| 10 | ; CHECK-DAG: lgr [[REG:%r[1-5]]], %r2 |
| 11 | ; CHECK-DAG: algfr %r2, %r4 |
| 12 | ; CHECK-DAG: llcr %r0, %r3 |
| 13 | ; CHECK: [[LABEL:\.[^:]*]]: |
| 14 | ; CHECK: srst %r2, [[REG]] |
| 15 | ; CHECK-NEXT: jo [[LABEL]] |
| 16 | ; CHECK: jl {{\.L.*}} |
| 17 | ; CHECK: lghi %r2, 0 |
| 18 | ; CHECK: br %r14 |
| 19 | %res = call i8 *@memchr(i8 *%src, i16 %char, i32 %len) |
| 20 | ret i8 *%res |
| 21 | } |