1 ; RUN: opt -basicaa %loadPolly -polly-detect-unprofitable -polly-dependences -analyze < %s | FileCheck %s
3 ; CHECK: RAW dependences:
5 ; CHECK: WAR dependences:
7 ; CHECK: WAW dependences:
9 ; CHECK: Reduction dependences:
10 ; CHECK: { Stmt_for_body3[i0, i1] -> Stmt_for_body3[2 + i0, -1 + i1] : i0 <= 97 and i0 >= 0 and i1 <= 99 and i1 >= 1 }
13 ; for (int i = 0; i < 100; i++)
14 ; for (int j = 0; j < 100; j++)
15 ; sum[i+j*2] += j * i;
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, 100
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, 100
34 br i1 %exitcond, label %for.body3, label %for.end
36 for.body3: ; preds = %for.cond1
37 %mul = mul nsw i32 %j.0, %i.0
38 %mul4 = shl nsw i32 %j.0, 1
39 %add = add nsw i32 %i.0, %mul4
40 %arrayidx = getelementptr inbounds i32, i32* %sum, i32 %add
41 %tmp = load i32* %arrayidx, align 4
42 %add5 = add nsw i32 %tmp, %mul
43 store i32 %add5, i32* %arrayidx, align 4
46 for.inc: ; preds = %for.body3
47 %inc = add nsw i32 %j.0, 1
50 for.end: ; preds = %for.cond1
53 for.inc6: ; preds = %for.end
54 %inc7 = add nsw i32 %i.0, 1
57 for.end8: ; preds = %for.cond