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      1 ; RUN: llc < %s | FileCheck %s
      2 
      3 
      4 target datalayout = "E-p:64:64:64-i8:8:16-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-a0:16:16"
      5 target triple = "s390x-ibm-linux"
      6 
      7 
      8 define zeroext i16 @foo(i16 zeroext %a)  {
      9 	%res = tail call i16 @llvm.bswap.i16(i16 %a)
     10 	ret i16 %res
     11 }
     12 
     13 define zeroext i32 @foo2(i32 zeroext %a)  {
     14 ; CHECK: foo2:
     15 ; CHECK:  lrvr [[R1:%r.]], %r2
     16         %res = tail call i32 @llvm.bswap.i32(i32 %a)
     17         ret i32 %res
     18 }
     19 
     20 define zeroext i64 @foo3(i64 %a)  {
     21 ; CHECK: foo3:
     22 ; CHECK:  lrvgr %r2, %r2
     23         %res = tail call i64 @llvm.bswap.i64(i64 %a)
     24         ret i64 %res
     25 }
     26 
     27 define zeroext i16 @foo4(i16* %b)  {
     28 	%a = load i16* %b
     29         %res = tail call i16 @llvm.bswap.i16(i16 %a)
     30         ret i16 %res
     31 }
     32 
     33 define zeroext i32 @foo5(i32* %b)  {
     34 ; CHECK: foo5:
     35 ; CHECK:  lrv [[R1:%r.]], 0(%r2)
     36 	%a = load i32* %b
     37         %res = tail call i32 @llvm.bswap.i32(i32 %a)
     38         ret i32 %res
     39 }
     40 
     41 define i64 @foo6(i64* %b) {
     42 ; CHECK: foo6:
     43 ; CHECK:  lrvg %r2, 0(%r2)
     44 	%a = load i64* %b
     45         %res = tail call i64 @llvm.bswap.i64(i64 %a)
     46         ret i64 %res
     47 }
     48 
     49 define void @foo7(i16 %a, i16* %b) {
     50         %res = tail call i16 @llvm.bswap.i16(i16 %a)
     51         store i16 %res, i16* %b
     52         ret void
     53 }
     54 
     55 define void @foo8(i32 %a, i32* %b) {
     56 ; CHECK: foo8:
     57 ; CHECK:  strv %r2, 0(%r3)
     58         %res = tail call i32 @llvm.bswap.i32(i32 %a)
     59         store i32 %res, i32* %b
     60         ret void
     61 }
     62 
     63 define void @foo9(i64 %a, i64* %b) {
     64 ; CHECK: foo9:
     65 ; CHECK:  strvg %r2, 0(%r3)
     66         %res = tail call i64 @llvm.bswap.i64(i64 %a)
     67         store i64 %res, i64* %b
     68         ret void
     69 }
     70 
     71 declare i16 @llvm.bswap.i16(i16) nounwind readnone
     72 declare i32 @llvm.bswap.i32(i32) nounwind readnone
     73 declare i64 @llvm.bswap.i64(i64) nounwind readnone
     74 
     75