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1; RUN: opt %loadNPMPolly -aa-pipeline=basic-aa -polly-stmt-granularity=bb '-passes=polly-custom<deps>' -polly-print-deps -disable-output < %s | FileCheck %s2;3; This loopnest contains a reduction which imposes the same dependences as the4; accesses to the array A. We need to ensure we keep the dependences of A.5;6; CHECK: RAW dependences:7; CHECK-NEXT: { Stmt_for_body[i0] -> Stmt_for_body[1 + i0] : 0 <= i0 <= 1022 }8; CHECK-NEXT: WAR dependences:9; CHECK-NEXT: { Stmt_for_body[i0] -> Stmt_for_body[1 + i0] : 0 <= i0 <= 1022 }10; CHECK-NEXT: WAW dependences:11; CHECK-NEXT: { Stmt_for_body[i0] -> Stmt_for_body[1 + i0] : 0 <= i0 <= 1022 }12; CHECK-NEXT: Reduction dependences:13; CHECK-NEXT: { Stmt_for_body[i0] -> Stmt_for_body[1 + i0] : 0 <= i0 <= 1022 }14;15;16; void AandSum(int *restrict sum, int *restrict A) {17; for (int i = 0; i < 1024; i++) {18; A[i] = A[i] + A[i - 1];19; A[i - 1] = A[i] + A[i - 2];20; *sum += i;21; }22; }23;24target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"25 26define void @AandSum(ptr noalias %sum, ptr noalias %A) {27entry:28 br label %for.cond29 30for.cond: ; preds = %for.inc, %entry31 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]32 %exitcond = icmp ne i32 %i.0, 102433 br i1 %exitcond, label %for.body, label %for.end34 35for.body: ; preds = %for.cond36 %arrayidx = getelementptr inbounds i32, ptr %A, i32 %i.037 %tmp = load i32, ptr %arrayidx, align 438 %sub = add nsw i32 %i.0, -139 %arrayidx1 = getelementptr inbounds i32, ptr %A, i32 %sub40 %tmp1 = load i32, ptr %arrayidx1, align 441 %add = add nsw i32 %tmp, %tmp142 %arrayidx2 = getelementptr inbounds i32, ptr %A, i32 %i.043 store i32 %add, ptr %arrayidx2, align 444 %sub4 = add nsw i32 %i.0, -245 %arrayidx5 = getelementptr inbounds i32, ptr %A, i32 %sub446 %tmp2 = load i32, ptr %arrayidx5, align 447 %add6 = add nsw i32 %add, %tmp248 %sub7 = add nsw i32 %i.0, -149 %arrayidx8 = getelementptr inbounds i32, ptr %A, i32 %sub750 store i32 %add6, ptr %arrayidx8, align 451 %tmp3 = load i32, ptr %sum, align 452 %add9 = add nsw i32 %tmp3, %i.053 store i32 %add9, ptr %sum, align 454 br label %for.inc55 56for.inc: ; preds = %for.body57 %inc = add nsw i32 %i.0, 158 br label %for.cond59 60for.end: ; preds = %for.cond61 ret void62}63