| ; 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 i8* @rt0() norecurse nounwind readnone { | |
| entry: | |
| ; CHECK-LABEL: rt0: | |
| ; CHECK: lgr %r2, %r14 | |
| ; CHECK: br %r14 | |
| %0 = tail call i8* @llvm.returnaddress(i32 0) | |
| ret i8* %0 | |
| } | |
| declare i8* @llvm.returnaddress(i32) nounwind readnone |