1 ; RUN: opt %loadPolly -polly-allow-nonaffine -polly-dce -polly-ast -analyze < %s | FileCheck %s
4 ; for (int i = 0; i < 1024; i++)
6 ; for (int i = 0; i < 1024; i++)
10 ; We unfortunately do need to execute all iterations of S1, as we do not know
11 ; the size of A and as a result S1 may write for example to A[1024], which
12 ; is not overwritten by S2.
14 ; CHECK: for (int c0 = 0; c0 <= 1023; c0 += 1)
16 ; CHECK: for (int c0 = 0; c0 <= 1023; c0 += 1)
19 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
21 declare i32 @bar(i32) #1
23 define void @f(i32* %A) {
28 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
29 %exitcond = icmp ne i32 %i.0, 1024
30 br i1 %exitcond, label %S1, label %next
33 %nonaff = call i32 @bar(i32 %i.0)
34 %arrayidx = getelementptr inbounds i32, i32* %A, i32 %nonaff
35 store i32 %i.0, i32* %arrayidx, align 4
39 %inc = add nsw i32 %i.0, 1
46 %i.2 = phi i32 [ 0, %next ], [ %inc.2, %for.inc.2 ]
47 %exitcond.2 = icmp ne i32 %i.2, 1024
48 br i1 %exitcond.2, label %S2, label %for.end
51 %arrayidx.2 = getelementptr inbounds i32, i32* %A, i32 %i.2
52 store i32 %i.2, i32* %arrayidx.2, align 4
56 %inc.2 = add nsw i32 %i.2, 1
63 attributes #1 = { nounwind readnone }