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; RUN: opt %loadPolly -basicaa -polly-dependences -analyze < %s | FileCheck %s
;
; CHECK: RAW dependences:
; CHECK: { }
; CHECK: WAR dependences:
; CHECK: { }
; CHECK: WAW dependences:
; CHECK: { }
; CHECK: Reduction dependences:
; CHECK-DAG: Stmt_for_body3[i0, i1] -> Stmt_for_body3[o0, 1 + i0 + i1 - o0] : o0 <= 1 + i0 and o0 >= i0 and o0 <= 1023 and i0 >= 0 and i1 >= 0 and o0 >= -1022 + i0 + i1
;
; void f(int *restrict A, int *restrict B, int *restrict Values) {
; for (int i = 0; i < 1024; i++) {
; for (int j = 0; j < 1024; j++) {
; A[i] += Values[i + j - 1];
; B[j] += Values[i + j + 42];
; }
; }
; }
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
define void @f(i32* noalias %A, i32* noalias %B, i32* noalias %Values) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc11, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc12, %for.inc11 ]
%exitcond1 = icmp ne i32 %i.0, 1024
br i1 %exitcond1, label %for.body, label %for.end13
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
%add = add nsw i32 %i.0, %j.0
%sub = add nsw i32 %add, -1
%arrayidx = getelementptr inbounds i32, i32* %Values, i32 %sub
%tmp = load i32, i32* %arrayidx, align 4
%arrayidx4 = getelementptr inbounds i32, i32* %A, i32 %i.0
%tmp2 = load i32, i32* %arrayidx4, align 4
%add5 = add nsw i32 %tmp2, %tmp
store i32 %add5, i32* %arrayidx4, align 4
%add6 = add nsw i32 %i.0, %j.0
%add7 = add nsw i32 %add6, 42
%arrayidx8 = getelementptr inbounds i32, i32* %Values, i32 %add7
%tmp3 = load i32, i32* %arrayidx8, align 4
%arrayidx9 = getelementptr inbounds i32, i32* %B, i32 %j.0
%tmp4 = load i32, i32* %arrayidx9, align 4
%add10 = add nsw i32 %tmp4, %tmp3
store i32 %add10, i32* %arrayidx9, align 4
br label %for.inc
for.inc: ; preds = %for.body3
%inc = add nsw i32 %j.0, 1
br label %for.cond1
for.end: ; preds = %for.cond1
br label %for.inc11
for.inc11: ; preds = %for.end
%inc12 = add nsw i32 %i.0, 1
br label %for.cond
for.end13: ; preds = %for.cond
ret void
}
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