1*9880d681SAndroid Build Coastguard Worker; Test strlen using SRST, i64 version. 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdeclare i64 @strlen(i8 *%src) 6*9880d681SAndroid Build Coastguard Workerdeclare i64 @strnlen(i8 *%src, i64 %len) 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker; Test strlen with its proper i64 prototype. It would also be valid for 9*9880d681SAndroid Build Coastguard Worker; the uses of %r3 and REG after the LGR to be swapped. 10*9880d681SAndroid Build Coastguard Workerdefine i64 @f1(i32 %dummy, i8 *%src) { 11*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 12*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: lhi %r0, 0 13*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: lghi %r2, 0 14*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: lgr [[REG:%r[145]]], %r3 15*9880d681SAndroid Build Coastguard Worker; CHECK: [[LABEL:\.[^:]*]]: 16*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: srst %r2, [[REG]] 17*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: jo [[LABEL]] 18*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: BB#{{[0-9]+}} 19*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: sgr %r2, %r3 20*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 21*9880d681SAndroid Build Coastguard Worker %res = call i64 @strlen(i8 *%src) 22*9880d681SAndroid Build Coastguard Worker ret i64 %res 23*9880d681SAndroid Build Coastguard Worker} 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Worker; Test strnlen with its proper i64 prototype. 26*9880d681SAndroid Build Coastguard Workerdefine i64 @f2(i64 %len, i8 *%src) { 27*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2: 28*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: agr %r2, %r3 29*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: lhi %r0, 0 30*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: lgr [[REG:%r[145]]], %r3 31*9880d681SAndroid Build Coastguard Worker; CHECK: [[LABEL:\.[^:]*]]: 32*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: srst %r2, [[REG]] 33*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: jo [[LABEL]] 34*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: BB#{{[0-9]+}} 35*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: sgr %r2, %r3 36*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 37*9880d681SAndroid Build Coastguard Worker %res = call i64 @strnlen(i8 *%src, i64 %len) 38*9880d681SAndroid Build Coastguard Worker ret i64 %res 39*9880d681SAndroid Build Coastguard Worker} 40