llvm-6502/test/Analysis/BasicAA/phi-aa.ll

; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output |& grep {NoAlias:.*%P,.*@Z}
; rdar://7282591

@X = common global i32 0
@Y = common global i32 0
@Z = common global i32 0

define void @foo(i32 %cond) nounwind ssp {
entry:
  %"alloca point" = bitcast i32 0 to i32
  %tmp = icmp ne i32 %cond, 0
  br i1 %tmp, label %bb, label %bb1

bb:
  br label %bb2

bb1:
  br label %bb2

bb2:
  %P = phi i32* [ @X, %bb ], [ @Y, %bb1 ]
  %tmp1 = load i32* @Z, align 4
  store i32 123, i32* %P, align 4
  %tmp2 = load i32* @Z, align 4
  br label %return

return:
  ret void
}