; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -passes='require<memoryssa>,gvn' -verify-memoryssa -S %s | FileCheck %s

; This is a regression test for a bug in MemorySSA updater.
; Make sure that we don't crash and end up with a valid MemorySSA.

define void @test() personality ptr null {
; CHECK-LABEL: define void @test() personality ptr null {
; CHECK-NEXT:    invoke void @bar()
; CHECK-NEXT:            to label %[[BAR_NORMAL:.*]] unwind label %[[EXCEPTIONAL:.*]]
; CHECK:       [[BAR_NORMAL]]:
; CHECK-NEXT:    ret void
; CHECK:       [[DEAD_BLOCK:.*:]]
; CHECK-NEXT:    invoke void @baz()
; CHECK-NEXT:            to label %[[BAZ_NORMAL:.*]] unwind label %[[EXCEPTIONAL]]
; CHECK:       [[BAZ_NORMAL]]:
; CHECK-NEXT:    ret void
; CHECK:       [[EXCEPTIONAL]]:
; CHECK-NEXT:    [[TMP9:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT:            cleanup
; CHECK-NEXT:    call void @foo()
; CHECK-NEXT:    ret void
;
  invoke void @bar()
  to label %bar.normal unwind label %exceptional

bar.normal:
  ret void

dead.block:
  br label %baz.invoke

baz.invoke:
  invoke void @baz()
  to label %baz.normal unwind label %exceptional

baz.normal:
  ret void

exceptional:
  %tmp9 = landingpad { ptr, i32 }
  cleanup
  call void @foo()
  ret void
}

declare void @foo()
declare void @bar()
declare void @baz()