| ; RUN: llc < %s -mtriple=s390x-ibm-zos | FileCheck %s | |
| ; CHECK-LABEL: get_stack: | |
| ; CHECK: lgr 3, 4 | |
| ; CHECK: b 2(7) | |
| define i8* @get_stack() nounwind { | |
| entry: | |
| %0 = call i64 @llvm.read_register.i64(metadata !0) | |
| %1 = inttoptr i64 %0 to i8* | |
| ret i8* %1 | |
| } | |
| declare i64 @llvm.read_register.i64(metadata) nounwind | |
| !0 = !{!"r4"} |