; RUN: opt %loadPolly %defaultOpts -polly-analyze-ir -analyze %s -stats 2>&1 | not FileCheck %s
; RUN: opt %loadPolly %defaultOpts -polly-analyze-ir -analyze %s | FileCheck %s -check-prefix=MAS

; ModuleID = '/tmp/webcompile/_22751_0.bc'
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-linux-gnu"

define void @f(i32* noalias nocapture %a, i32* noalias nocapture %b) nounwind {
bb.nph:
  br label %bb

bb:                                               ; preds = %bb, %bb.nph
  %i.03 = phi i64 [ 0, %bb.nph ], [ %2, %bb ]     ; <i64> [#uses=3]
  %scevgep = getelementptr i32* %b, i64 %i.03     ; <i32*> [#uses=1]
  %scevgep4 = getelementptr i32* %a, i64 %i.03    ; <i32*> [#uses=1]
  %0 = load i32* %scevgep, align 4                ; <i32> [#uses=1]
  %1 = add nsw i32 %0, 2                          ; <i32> [#uses=1]
  store i32 %1, i32* %scevgep4, align 4
  %2 = add nsw i64 %i.03, 1                       ; <i64> [#uses=2]
  %exitcond = icmp eq i64 %2, 128                 ; <i1> [#uses=1]
  br i1 %exitcond, label %return, label %bb

return:                                           ; preds = %bb
  ret void
}


; CHECK:  Found base address alias
; MAS:    Reads %b[4 * {0,+,1}<nuw><nsw><%bb> + 0]  Refs: Must alias {%b, } May alias {},
; MAS:    Writes %a[4 * {0,+,1}<nuw><nsw><%bb> + 0]  Refs: Must alias {%a, } May alias {},