; 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 }