1*9880d681SAndroid Build Coastguard Worker; Test byteswaps between registers. 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 i32 @llvm.bswap.i32(i32 %a) 6*9880d681SAndroid Build Coastguard Workerdeclare i64 @llvm.bswap.i64(i64 %a) 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker; Check 32-bit register-to-register byteswaps. 9*9880d681SAndroid Build Coastguard Workerdefine i32 @f1(i32 %a) { 10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 11*9880d681SAndroid Build Coastguard Worker; CHECK: lrvr [[REGISTER:%r[0-5]]], %r2 12*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 13*9880d681SAndroid Build Coastguard Worker %swapped = call i32 @llvm.bswap.i32(i32 %a) 14*9880d681SAndroid Build Coastguard Worker ret i32 %swapped 15*9880d681SAndroid Build Coastguard Worker} 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Worker; Check 64-bit register-to-register byteswaps. 18*9880d681SAndroid Build Coastguard Workerdefine i64 @f2(i64 %a) { 19*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2: 20*9880d681SAndroid Build Coastguard Worker; CHECK: lrvgr %r2, %r2 21*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 22*9880d681SAndroid Build Coastguard Worker %swapped = call i64 @llvm.bswap.i64(i64 %a) 23*9880d681SAndroid Build Coastguard Worker ret i64 %swapped 24*9880d681SAndroid Build Coastguard Worker} 25