xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/2011-05-04-MultipleLandingPadSuccs.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; RUN: llc < %s -verify-machineinstrs
; <rdar://problem/9187612>
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32"
target triple = "thumbv7-apple-darwin"

define void @func() unnamed_addr align 2 personality i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*) {
entry:
  br label %for.cond

for.cond:
  %tmp2 = phi i32 [ 0, %entry ], [ %add, %for.cond.backedge ]
  %cmp = icmp ult i32 %tmp2, 14
  br i1 %cmp, label %for.body, label %for.end

for.body:
  %add = add i32 %tmp2, 1
  switch i32 %tmp2, label %sw.default [
    i32 0, label %sw.bb
    i32 1, label %sw.bb
    i32 2, label %sw.bb
    i32 4, label %sw.bb
    i32 5, label %sw.bb
    i32 10, label %sw.bb
  ]

sw.bb:
  invoke void @foo()
          to label %invoke.cont17 unwind label %lpad

invoke.cont17:
  invoke void @foo()
          to label %for.cond.backedge unwind label %lpad26

for.cond.backedge:
  br label %for.cond

lpad:
  %exn = landingpad { i8*, i32 }
           catch i8* null
  invoke void @foo()
          to label %eh.resume unwind label %terminate.lpad

lpad26:
  %exn27 = landingpad { i8*, i32 }
           catch i8* null
  invoke void @foo()
          to label %eh.resume unwind label %terminate.lpad

sw.default:
  br label %for.cond.backedge

for.end:
  invoke void @foo()
          to label %call8.i.i.i.noexc unwind label %lpad44

call8.i.i.i.noexc:
  ret void

lpad44:
  %exn45 = landingpad { i8*, i32 }
           catch i8* null
  invoke void @foo()
          to label %eh.resume unwind label %terminate.lpad

eh.resume:
  %exn.slot.0 = phi { i8*, i32 } [ %exn27, %lpad26 ], [ %exn, %lpad ], [ %exn45, %lpad44 ]
  resume { i8*, i32 } %exn.slot.0

terminate.lpad:
  %exn51 = landingpad { i8*, i32 }
           catch i8* null
  tail call void @_ZSt9terminatev() noreturn nounwind
  unreachable
}

declare void @foo()

declare i32 @__gxx_personality_sj0(...)

declare void @_Unwind_SjLj_Resume_or_Rethrow(i8*)

declare void @_ZSt9terminatev()

!0 = !{!"any pointer", !1}
!1 = !{!"omnipotent char", !2}
!2 = !{!"Simple C/C++ TBAA", null}
!3 = !{!"bool", !1}
!4 = !{!"int", !1}