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; RUN: opt -basicaa %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[1 + i0] };
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[i0] };
; CHECK: MustWriteAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_first[0] };
; CHECK: ReadAccess := [Reduction Type: +
; CHECK: { Stmt_for_body[i0] -> MemRef_sum[0] };
; CHECK: MustWriteAccess := [Reduction Type: +
; CHECK: { Stmt_for_body[i0] -> MemRef_sum[0] };
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[-1 + i0] };
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[i0] };
; CHECK: MustWriteAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_middle[0] };
; CHECK: ReadAccess := [Reduction Type: *
; CHECK: { Stmt_for_body[i0] -> MemRef_prod[0] };
; CHECK: MustWriteAccess := [Reduction Type: *
; CHECK: { Stmt_for_body[i0] -> MemRef_prod[0] };
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[-1 + i0] };
; CHECK: ReadAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_A[1 + i0] };
; CHECK: MustWriteAccess := [Reduction Type: NONE
; CHECK: { Stmt_for_body[i0] -> MemRef_last[0] };
;
; int first, sum, middle, prod, last;
;
; void f(int * restrict A) {
; int i;
; for (int i = 0; i < 100; i++) {
; first = A[i+1] + A[i];
; sum += i * 3;
; middle = A[i-1] + A[i];
; prod *= (i + 3);
; last = A[i-1] + A[i+1];
; }
; }
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
@first = common global i32 0, align 4
@sum = common global i32 0, align 4
@middle = common global i32 0, align 4
@prod = common global i32 0, align 4
@last = common global i32 0, align 4
define void @f(i32* noalias %A) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i1.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
%exitcond = icmp ne i32 %i1.0, 100
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%add = add nsw i32 %i1.0, 1
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %add
%tmp = load i32, i32* %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %i1.0
%tmp1 = load i32, i32* %arrayidx2, align 4
%add3 = add nsw i32 %tmp, %tmp1
store i32 %add3, i32* @first, align 4
%mul = mul nsw i32 %i1.0, 3
%tmp2 = load i32, i32* @sum, align 4
%add4 = add nsw i32 %tmp2, %mul
store i32 %add4, i32* @sum, align 4
%sub = add nsw i32 %i1.0, -1
%arrayidx5 = getelementptr inbounds i32, i32* %A, i32 %sub
%tmp3 = load i32, i32* %arrayidx5, align 4
%arrayidx6 = getelementptr inbounds i32, i32* %A, i32 %i1.0
%tmp4 = load i32, i32* %arrayidx6, align 4
%add7 = add nsw i32 %tmp3, %tmp4
store i32 %add7, i32* @middle, align 4
%add8 = add nsw i32 %i1.0, 3
%tmp5 = load i32, i32* @prod, align 4
%mul9 = mul nsw i32 %tmp5, %add8
store i32 %mul9, i32* @prod, align 4
%sub10 = add nsw i32 %i1.0, -1
%arrayidx11 = getelementptr inbounds i32, i32* %A, i32 %sub10
%tmp6 = load i32, i32* %arrayidx11, align 4
%add12 = add nsw i32 %i1.0, 1
%arrayidx13 = getelementptr inbounds i32, i32* %A, i32 %add12
%tmp7 = load i32, i32* %arrayidx13, align 4
%add14 = add nsw i32 %tmp6, %tmp7
store i32 %add14, i32* @last, align 4
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nsw i32 %i1.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
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