; RUN: llc < %s -mtriple=s390x-ibm-zos | FileCheck %s | |
; CHECK-LABEL: get_stack: | |
; CHECK: lgr 3, 4 | |
; CHECK: b 2(7) | |
define ptr @get_stack() nounwind { | |
entry: | |
%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 = !{!"r4"} |