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; RUN: opt %loadPolly -polly-allow-nonaffine-branches -polly-print-scops -disable-output < %s | FileCheck %s
;
; void f(int *A) {
; for (int i = 0; i < 1024; i++)
; if (A[i])
; if (A[i - 1])
; A[i] = A[i - 2];
; }
;
; CHECK: Region: %bb1---%bb18
; CHECK: Max Loop Depth: 1
; CHECK: Statements {
; CHECK: Stmt_bb2__TO__bb16
; CHECK: Schedule :=
; CHECK: { Stmt_bb2__TO__bb16[i0] -> [i0] };
; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK: { Stmt_bb2__TO__bb16[i0] -> MemRef_A[i0] };
; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK: { Stmt_bb2__TO__bb16[i0] -> MemRef_A[-1 + i0] };
; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK: { Stmt_bb2__TO__bb16[i0] -> MemRef_A[-2 + i0] };
; CHECK: MayWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK: { Stmt_bb2__TO__bb16[i0] -> MemRef_A[i0] };
; CHECK: }
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* %A) {
bb:
br label %bb1
bb1: ; preds = %bb17, %bb
%indvars.iv = phi i64 [ %indvars.iv.next, %bb17 ], [ 0, %bb ]
%exitcond = icmp ne i64 %indvars.iv, 1024
br i1 %exitcond, label %bb2, label %bb18
bb2: ; preds = %bb1
%tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%tmp3 = load i32, i32* %tmp, align 4
%tmp4 = icmp eq i32 %tmp3, 0
br i1 %tmp4, label %bb16, label %bb5
bb5: ; preds = %bb2
%tmp6 = add nsw i64 %indvars.iv, -1
%tmp7 = getelementptr inbounds i32, i32* %A, i64 %tmp6
%tmp8 = load i32, i32* %tmp7, align 4
%tmp9 = icmp eq i32 %tmp8, 0
br i1 %tmp9, label %bb15, label %bb10
bb10: ; preds = %bb5
%tmp11 = add nsw i64 %indvars.iv, -2
%tmp12 = getelementptr inbounds i32, i32* %A, i64 %tmp11
%tmp13 = load i32, i32* %tmp12, align 4
%tmp14 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
store i32 %tmp13, i32* %tmp14, align 4
br label %bb15
bb15: ; preds = %bb5, %bb10
br label %bb16
bb16: ; preds = %bb2, %bb15
br label %bb17
bb17: ; preds = %bb16
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %bb1
bb18: ; preds = %bb1
ret void
}
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