1; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s 2; 3; CHECK: Statements { 4; CHECK-NEXT: Stmt_for_body 5; CHECK-NEXT: Domain := 6; CHECK-NEXT: [N] -> { Stmt_for_body[i0] : 0 <= i0 < N }; 7; CHECK-NEXT: Schedule := 8; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> [i0] }; 9; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] 10; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[o0] : -4 + N + 5i0 <= 5o0 <= N + 5i0 }; 11; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] 12; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[o0] : -N + 5i0 <= 5o0 <= 4 - N + 5i0 }; 13; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] 14; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[i0] }; 15; CHECK-NEXT: } 16; 17; void f(int *A, int N) { 18; for (int i = 0; i < N; i++) 19; A[i] = A[i + (N / 5)] + A[i + (N / -5)]; 20; } 21; 22target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 23 24define void @f(i32* %A, i32 %N) { 25entry: 26 %tmp = sext i32 %N to i64 27 br label %for.cond 28 29for.cond: ; preds = %for.inc, %entry 30 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] 31 %cmp = icmp slt i64 %indvars.iv, %tmp 32 br i1 %cmp, label %for.body, label %for.end 33 34for.body: ; preds = %for.cond 35 %div = sdiv i32 %N, 5 36 %tmp1 = trunc i64 %indvars.iv to i32 37 %add = add nsw i32 %tmp1, %div 38 %idxprom = sext i32 %add to i64 39 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom 40 %tmp2 = load i32, i32* %arrayidx, align 4 41 %div1 = sdiv i32 %N, -5 42 %tmp3 = trunc i64 %indvars.iv to i32 43 %add2 = add nsw i32 %tmp3, %div1 44 %idxprom3 = sext i32 %add2 to i64 45 %arrayidx4 = getelementptr inbounds i32, i32* %A, i64 %idxprom3 46 %tmp4 = load i32, i32* %arrayidx4, align 4 47 %add5 = add nsw i32 %tmp2, %tmp4 48 %arrayidx7 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 49 store i32 %add5, i32* %arrayidx7, align 4 50 br label %for.inc 51 52for.inc: ; preds = %for.body 53 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 54 br label %for.cond 55 56for.end: ; preds = %for.cond 57 ret void 58} 59