; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s | |
define i8* @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 i8* | |
ret i8* %1 | |
} | |
declare i64 @llvm.read_register.i64(metadata) nounwind | |
!0 = !{!"r15"} |