• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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