| ; Test support for the llvm.returnaddress intrinsic. |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s |
| ; The current function's return address is in the link register. |
| define ptr @rt0() norecurse nounwind readnone { |
| %0 = tail call ptr @llvm.returnaddress(i32 0) |
| ; Check the caller's return address. |
| define ptr @rtcaller() nounwind "backchain" { |
| %0 = tail call ptr @llvm.returnaddress(i32 1) |
| ; Check the caller's caller's return address. |
| define ptr @rtcallercaller() nounwind "backchain" { |
| ; CHECK-LABEL: rtcallercaller: |
| %0 = tail call ptr @llvm.returnaddress(i32 2) |
| declare ptr @llvm.returnaddress(i32) nounwind readnone |