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. 6define i8* @rt0() norecurse nounwind readnone { 7entry: 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 15declare i8* @llvm.returnaddress(i32) nounwind readnone 16