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; RUN: opt %loadPolly -polly-print-dependences -basic-aa -disable-output < %s | FileCheck %s
;
; CHECK: Reduction dependences:
; CHECK-NEXT: [N] -> { Stmt_for_body3[i0, i1] -> Stmt_for_body3[i0, 1 + i1] : 0 <= i0 <= 1023 and i1 >= 0 and 1024 - N + i0 <= i1 <= 1022 }
;
; void f(int N, int * restrict sums, int * restrict escape) {
; for (int i = 0; i < 1024; i++) {
; for (int j = 0; j < 1024; j++) {
; sums[i] += 5;
; if (N - i + j < 1024)
; escape[N - i + j] = sums[i];
; }
; }
; }
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
define void @f(i32 %N, i32* noalias %sums, i32* noalias %escape) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc10, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc11, %for.inc10 ]
%exitcond1 = icmp ne i32 %i.0, 1024
br i1 %exitcond1, label %for.body, label %for.end12
for.body: ; preds = %for.cond
br label %for.cond1
for.cond1: ; preds = %for.inc, %for.body
%j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
%exitcond = icmp ne i32 %j.0, 1024
br i1 %exitcond, label %for.body3, label %for.end
for.body3: ; preds = %for.cond1
%arrayidx = getelementptr inbounds i32, i32* %sums, i32 %i.0
%tmp = load i32, i32* %arrayidx, align 4
%add = add nsw i32 %tmp, 5
store i32 %add, i32* %arrayidx, align 4
%sub = sub nsw i32 %N, %i.0
%add4 = add nsw i32 %sub, %j.0
%cmp5 = icmp slt i32 %add4, 1024
br i1 %cmp5, label %if.then, label %if.end
if.then: ; preds = %for.body3
%arrayidx6 = getelementptr inbounds i32, i32* %sums, i32 %i.0
%tmp2 = load i32, i32* %arrayidx6, align 4
%sub7 = sub nsw i32 %N, %i.0
%add8 = add nsw i32 %sub7, %j.0
%arrayidx9 = getelementptr inbounds i32, i32* %escape, i32 %add8
store i32 %tmp2, i32* %arrayidx9, align 4
br label %if.end
if.end: ; preds = %if.then, %for.body3
br label %for.inc
for.inc: ; preds = %if.end
%inc = add nsw i32 %j.0, 1
br label %for.cond1
for.end: ; preds = %for.cond1
br label %for.inc10
for.inc10: ; preds = %for.end
%inc11 = add nsw i32 %i.0, 1
br label %for.cond
for.end12: ; preds = %for.cond
ret void
}
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