1 ; RUN: opt %loadPolly -polly-dependences -analyze < %s | FileCheck %s
3 ; CHECK: RAW dependences:
4 ; CHECK-NEXT: { Stmt_for_body3[i0, i1] -> Stmt_for_body3[i0 + i1, o1] : i0 >= 0 and 0 <= i1 <= 1023 - i0 and i1 <= 1 and 0 < o1 <= 511 }
5 ; CHECK-NEXT: WAR dependences:
7 ; CHECK-NEXT: WAW dependences:
8 ; CHECK-NEXT: { Stmt_for_body3[i0, i1] -> Stmt_for_body3[1 + i0, -1 + i1] : 0 <= i0 <= 1022 and 2 <= i1 <= 511; Stmt_for_body3[i0, 2] -> Stmt_for_body3[2 + i0, 0] : 0 <= i0 <= 1021 }
9 ; CHECK-NEXT: Reduction dependences:
10 ; CHECK-NEXT: { Stmt_for_body3[i0, 1] -> Stmt_for_body3[1 + i0, 0] : 0 <= i0 <= 1022 }
13 ; for (int i = 0; i < 1024; i++)
14 ; for (int j = 0; j < 512; j++)
15 ; sum[i + j] = sum[i] + 3;
17 target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
19 define void @f(i32* %sum) {
23 for.cond: ; preds = %for.inc6, %entry
24 %i.0 = phi i32 [ 0, %entry ], [ %inc7, %for.inc6 ]
25 %exitcond1 = icmp ne i32 %i.0, 1024
26 br i1 %exitcond1, label %for.body, label %for.end8
28 for.body: ; preds = %for.cond
31 for.cond1: ; preds = %for.inc, %for.body
32 %j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
33 %exitcond = icmp ne i32 %j.0, 512
34 br i1 %exitcond, label %for.body3, label %for.end
36 for.body3: ; preds = %for.cond1
37 %arrayidx = getelementptr inbounds i32, i32* %sum, i32 %i.0
38 %tmp = load i32, i32* %arrayidx, align 4
39 %add = add nsw i32 %tmp, 3
40 %add4 = add nsw i32 %i.0, %j.0
41 %arrayidx5 = getelementptr inbounds i32, i32* %sum, i32 %add4
42 store i32 %add, i32* %arrayidx5, align 4
45 for.inc: ; preds = %for.body3
46 %inc = add nsw i32 %j.0, 1
49 for.end: ; preds = %for.cond1
52 for.inc6: ; preds = %for.end
53 %inc7 = add nsw i32 %i.0, 1
56 for.end8: ; preds = %for.cond