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