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