blob: 9c3b246af578889de2c3022048750e5e8ac741f0 [file] [log] [blame]
; 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