1; RUN: llc < %s -mtriple=s390x-ibm-zos | FileCheck %s 2 3; CHECK-LABEL: get_stack: 4; CHECK: lgr 3,4 5; CHECK: b 2(7) 6 7define ptr @get_stack() nounwind { 8entry: 9 %0 = call i64 @llvm.read_register.i64(metadata !0) 10 %1 = inttoptr i64 %0 to ptr 11 ret ptr %1 12} 13 14declare i64 @llvm.read_register.i64(metadata) nounwind 15 16!0 = !{!"r4"} 17