1; RUN: opt -S %loadPolly -basic-aa -polly-dependences-analysis-type=value-based -polly-ast -analyze < %s | FileCheck %s
2; RUN: opt -S %loadPolly -basic-aa -polly-dependences-analysis-type=value-based -polly-dce -polly-ast -analyze < %s | FileCheck %s -check-prefix=CHECK-DCE
3target 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"
4;
5; for(i = 0; i < 200; i++ )
6;   A[i] = 2;
7;
8; for (i = 0; i < 200; i++ )
9;   A[i]  = 5;
10;
11; for (i = 0; i < 200; i++ )
12;   A[i] = 5;
13define void @main() nounwind uwtable {
14entry:
15  %A = alloca [200 x i32], align 16
16  br label %for.body.1
17
18for.body.1:
19  %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %for.body.1 ]
20  %arrayidx.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1
21  store i32 2, i32* %arrayidx.1, align 4
22  %indvar.next.1 = add i64 %indvar.1, 1
23  %exitcond.1 = icmp ne i64 %indvar.next.1, 200
24  br i1 %exitcond.1, label %for.body.1, label %exit.1
25
26exit.1:
27  br label %for.body.2
28
29for.body.2:
30  %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %for.body.2 ]
31  %arrayidx.2 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.2
32  store i32 5, i32* %arrayidx.2, align 4
33  %indvar.next.2 = add i64 %indvar.2, 1
34  %exitcond.2 = icmp ne i64 %indvar.next.2, 200
35  br i1 %exitcond.2, label %for.body.2, label %exit.2
36
37exit.2:
38  br label %for.body.3
39
40for.body.3:
41  %indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %for.body.3 ]
42  %arrayidx.3 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.3
43  store i32 7, i32* %arrayidx.3, align 4
44  %indvar.next.3 = add i64 %indvar.3, 1
45  %exitcond.3 = icmp ne i64 %indvar.next.3, 200
46  br i1 %exitcond.3, label %for.body.3 , label %exit.3
47
48exit.3:
49  ret void
50}
51
52; CHECK: for (int c0 = 0; c0 <= 199; c0 += 1)
53; CHECK:   Stmt_for_body_1(c0);
54; CHECK: for (int c0 = 0; c0 <= 199; c0 += 1)
55; CHECK:   Stmt_for_body_2(c0);
56; CHECK: for (int c0 = 0; c0 <= 199; c0 += 1)
57; CHECK:   Stmt_for_body_3(c0);
58
59; CHECK-DCE: for (int c0 = 0; c0 <= 199; c0 += 1)
60; CHECK-DCE:   Stmt_for_body_3(c0);
61
62