Add a regression test for PR28348.
; RUN: llc < %s -mtriple=thumbv7-linux-gnueabi -verify-machineinstrs
; Just shouldn't crash, PR28348

%C = type { i8* }

define void @repro(%C* %this, i32 %a) {
  %a_align1 = and i32 %a, -4096
  %a_and = and i32 %a, 4095
  %a_align2 = or i32 %a_and, 4096

  call void @use(i32 %a_align1)

  %C_field = getelementptr inbounds %C, %C* %this, i32 0, i32 0
  %addptr = getelementptr inbounds i8, i8* null, i32 %a_align2
  store i8* %addptr, i8** %C_field, align 4

  ret void
}

declare void @use(i32)