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1; RUN: llc < %s -mtriple=s390x-ibm-zos | FileCheck %s2 3; CHECK-LABEL: get_stack:4; CHECK: lgr 3,45; 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 ptr11 ret ptr %112}13 14declare i64 @llvm.read_register.i64(metadata) nounwind15 16!0 = !{!"r4"}17