1; Test byteswaps between registers. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5declare i32 @llvm.bswap.i32(i32 %a) 6declare i64 @llvm.bswap.i64(i64 %a) 7 8; Check 32-bit register-to-register byteswaps. 9define i32 @f1(i32 %a) { 10; CHECK-LABEL: f1: 11; CHECK: lrvr [[REGISTER:%r[0-5]]], %r2 12; CHECK: br %r14 13 %swapped = call i32 @llvm.bswap.i32(i32 %a) 14 ret i32 %swapped 15} 16 17; Check 64-bit register-to-register byteswaps. 18define i64 @f2(i64 %a) { 19; CHECK-LABEL: f2: 20; CHECK: lrvgr %r2, %r2 21; CHECK: br %r14 22 %swapped = call i64 @llvm.bswap.i64(i64 %a) 23 ret i64 %swapped 24} 25