1; RUN: opt %loadPolly -polly-scops -polly-allow-nonaffine-branches \ 2; RUN: -analyze < %s | FileCheck %s 3; 4; void f(int *A) { 5; for (int i = 0; i < 1024; i++) 6; if (A[i]) 7; if (A[i - 1]) 8; A[i] = A[i - 2]; 9; } 10; 11; CHECK: Region: %bb1---%bb18 12; CHECK: Max Loop Depth: 1 13; CHECK: Statements { 14; CHECK: Stmt_bb2__TO__bb16 15; CHECK: Schedule := 16; CHECK: { Stmt_bb2__TO__bb16[i0] -> [i0] }; 17; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0] 18; CHECK: { Stmt_bb2__TO__bb16[i0] -> MemRef_A[i0] }; 19; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0] 20; CHECK: { Stmt_bb2__TO__bb16[i0] -> MemRef_A[-1 + i0] }; 21; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0] 22; CHECK: { Stmt_bb2__TO__bb16[i0] -> MemRef_A[-2 + i0] }; 23; CHECK: MayWriteAccess := [Reduction Type: NONE] [Scalar: 0] 24; CHECK: { Stmt_bb2__TO__bb16[i0] -> MemRef_A[i0] }; 25; CHECK: } 26 27target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 28 29define void @f(i32* %A) { 30bb: 31 br label %bb1 32 33bb1: ; preds = %bb17, %bb 34 %indvars.iv = phi i64 [ %indvars.iv.next, %bb17 ], [ 0, %bb ] 35 %exitcond = icmp ne i64 %indvars.iv, 1024 36 br i1 %exitcond, label %bb2, label %bb18 37 38bb2: ; preds = %bb1 39 %tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 40 %tmp3 = load i32, i32* %tmp, align 4 41 %tmp4 = icmp eq i32 %tmp3, 0 42 br i1 %tmp4, label %bb16, label %bb5 43 44bb5: ; preds = %bb2 45 %tmp6 = add nsw i64 %indvars.iv, -1 46 %tmp7 = getelementptr inbounds i32, i32* %A, i64 %tmp6 47 %tmp8 = load i32, i32* %tmp7, align 4 48 %tmp9 = icmp eq i32 %tmp8, 0 49 br i1 %tmp9, label %bb15, label %bb10 50 51bb10: ; preds = %bb5 52 %tmp11 = add nsw i64 %indvars.iv, -2 53 %tmp12 = getelementptr inbounds i32, i32* %A, i64 %tmp11 54 %tmp13 = load i32, i32* %tmp12, align 4 55 %tmp14 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 56 store i32 %tmp13, i32* %tmp14, align 4 57 br label %bb15 58 59bb15: ; preds = %bb5, %bb10 60 br label %bb16 61 62bb16: ; preds = %bb2, %bb15 63 br label %bb17 64 65bb17: ; preds = %bb16 66 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 67 br label %bb1 68 69bb18: ; preds = %bb1 70 ret void 71} 72