view test/Analysis/BasicAA/phi-aa.ll @ 35:503e14e069e4

update to LLVM 3.5
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 23:38:21 +0900
parents 95c75e76d11b
children 54457678186b
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; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s
; rdar://7282591

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

; CHECK:  NoAlias: i32* %P, i32* @Z

define void @foo(i32 %cond) nounwind {
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
}