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      1 ; Test support for the llvm.returnaddress intrinsic.
      2 ; 
      3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
      4 
      5 ; The current function's return address is in the link register.
      6 define i8* @rt0() norecurse nounwind readnone {
      7 entry:
      8 ; CHECK-LABEL: rt0:
      9 ; CHECK: lgr  %r2, %r14
     10 ; CHECK: br   %r14
     11   %0 = tail call i8* @llvm.returnaddress(i32 0)
     12   ret i8* %0
     13 }
     14 
     15 declare i8* @llvm.returnaddress(i32) nounwind readnone
     16