| ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s | |
| define ptr @get_stack() nounwind { | |
| entry: | |
| ; CHECK-LABEL: get_stack: | |
| ; CHECK: lgr %r2, %r15 | |
| ; CHECK-NEXT: br %r14 | |
| %0 = call i64 @llvm.read_register.i64(metadata !0) | |
| %1 = inttoptr i64 %0 to ptr | |
| ret ptr %1 | |
| } | |
| declare i64 @llvm.read_register.i64(metadata) nounwind | |
| !0 = !{!"r15"} |