1; RUN: opt %loadPolly -polly-scops -analyze < %s -stats 2>&1 | FileCheck %s --check-prefix=RTA
2; RUN: opt %loadPolly -polly-scops -polly-use-runtime-alias-checks=false -analyze < %s -stats 2>&1 | FileCheck %s --check-prefix=NORTA
3; REQUIRES: asserts
4
5target 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"
6
7define void @f(i32** nocapture %ptrs, i64 %p0, i64 %p1, i64 %p2) nounwind {
8bb.nph:
9  %0 = getelementptr inbounds i32*, i32** %ptrs, i64 %p0 ; <i32**> [#uses=1]
10  %1 = load i32*, i32** %0, align 8                     ; <i32*> [#uses=1]
11  %2 = getelementptr inbounds i32*, i32** %ptrs, i64 %p1 ; <i32**> [#uses=1]
12  %3 = load i32*, i32** %2, align 8                     ; <i32*> [#uses=1]
13  %4 = getelementptr inbounds i32*, i32** %ptrs, i64 %p2 ; <i32**> [#uses=1]
14  %5 = load i32*, i32** %4, align 8                     ; <i32*> [#uses=1]
15  br label %bb
16
17bb:                                               ; preds = %bb, %bb.nph
18  %i.03 = phi i64 [ 0, %bb.nph ], [ %tmp, %bb ]   ; <i64> [#uses=3]
19  %scevgep = getelementptr i32, i32* %3, i64 %i.03     ; <i32*> [#uses=1]
20  %scevgep4 = getelementptr i32, i32* %5, i64 %i.03    ; <i32*> [#uses=1]
21  %tmp = add i64 %i.03, 1                         ; <i64> [#uses=3]
22  %scevgep5 = getelementptr i32, i32* %1, i64 %tmp     ; <i32*> [#uses=1]
23  %6 = load i32, i32* %scevgep, align 4                ; <i32> [#uses=1]
24  %7 = load i32, i32* %scevgep4, align 4               ; <i32> [#uses=1]
25  %8 = add nsw i32 %7, %6                         ; <i32> [#uses=1]
26  store i32 %8, i32* %scevgep5, align 4
27  %exitcond = icmp eq i64 %tmp, 64                ; <i1> [#uses=1]
28  br i1 %exitcond, label %return, label %bb
29
30return:                                           ; preds = %bb
31  ret void
32}
33
34; RTA:   1 polly-detect     - Number of scops
35; NORTA: 1 polly-detect     - Number of rejected regions: Base address aliasing
36