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 %a, i32* nocapture %b) nounwind {
8bb.nph:
9  %0 = tail call i32 (...) @rnd() nounwind       ; <i32> [#uses=1]
10  %1 = icmp eq i32 %0, 0                          ; <i1> [#uses=1]
11  %sel.b = getelementptr inbounds i32, i32* %b, i64 4
12  %iftmp.0.0 = select i1 %1, i32* %sel.b, i32* %a     ; <i32*> [#uses=2]
13  br label %bb3
14
15bb3:                                              ; preds = %bb3, %bb.nph
16  %i.06 = phi i64 [ 0, %bb.nph ], [ %tmp, %bb3 ]  ; <i64> [#uses=3]
17  %scevgep = getelementptr i32, i32* %a, i64 %i.06     ; <i32*> [#uses=1]
18  %scevgep7 = getelementptr i32, i32* %iftmp.0.0, i64 %i.06 ; <i32*> [#uses=1]
19  %tmp = add i64 %i.06, 1                         ; <i64> [#uses=3]
20  %scevgep8 = getelementptr i32, i32* %iftmp.0.0, i64 %tmp ; <i32*> [#uses=1]
21  %2 = load i32, i32* %scevgep, align 4                ; <i32> [#uses=1]
22  %3 = load i32, i32* %scevgep8, align 4               ; <i32> [#uses=1]
23  %4 = shl i32 %3, 1                              ; <i32> [#uses=1]
24  %5 = add nsw i32 %4, %2                         ; <i32> [#uses=1]
25  store i32 %5, i32* %scevgep7, align 4
26  %exitcond = icmp eq i64 %tmp, 64                ; <i1> [#uses=1]
27  br i1 %exitcond, label %return, label %bb3
28
29return:                                           ; preds = %bb3
30  ret void
31}
32
33declare i32 @rnd(...)
34
35
36; RTA:   1 polly-detect     - Number of scops
37; NORTA: 1 polly-detect     - Number of rejected regions: Base address aliasing
38