1*9880d681SAndroid Build Coastguard Worker; Test memchr using SRST, with a weird but usable prototype. 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -verify-machineinstrs | FileCheck %s 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdeclare i8 *@memchr(i8 *%src, i16 %char, i32 %len) 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker; Test a simple forwarded call. 8*9880d681SAndroid Build Coastguard Workerdefine i8 *@f1(i8 *%src, i16 %char, i32 %len) { 9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 10*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: lgr [[REG:%r[1-5]]], %r2 11*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: algfr %r2, %r4 12*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: llcr %r0, %r3 13*9880d681SAndroid Build Coastguard Worker; CHECK: [[LABEL:\.[^:]*]]: 14*9880d681SAndroid Build Coastguard Worker; CHECK: srst %r2, [[REG]] 15*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: jo [[LABEL]] 16*9880d681SAndroid Build Coastguard Worker; CHECK: blr %r14 17*9880d681SAndroid Build Coastguard Worker; CHECK: lghi %r2, 0 18*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 19*9880d681SAndroid Build Coastguard Worker %res = call i8 *@memchr(i8 *%src, i16 %char, i32 %len) 20*9880d681SAndroid Build Coastguard Worker ret i8 *%res 21*9880d681SAndroid Build Coastguard Worker} 22