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53 lines
1.6 KiB
53 lines
1.6 KiB
; RUN: opt -basic-aa %loadPolly -polly-stmt-granularity=bb -polly-scops -analyze -polly-disable-multiplicative-reductions < %s | FileCheck %s
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;
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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_prod[0] };
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; CHECK: MustWriteAccess := [Reduction Type: NONE
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; CHECK: { Stmt_for_body[i0] -> MemRef_prod[0] };
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;
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; int sum, prod;
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;
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; void f() {
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; int i;
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; for (int i = 0; i < 100; i++) {
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; sum += i * 3;
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; prod *= (i + 3);
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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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@sum = common global i32 0, align 4
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@prod = common global i32 0, align 4
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define void @f() #0 {
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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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%mul = mul nsw i32 %i1.0, 3
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%tmp = load i32, i32* @sum, align 4
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%add = add nsw i32 %tmp, %mul
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store i32 %add, i32* @sum, align 4
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%add2 = add nsw i32 %i1.0, 3
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%tmp1 = load i32, i32* @prod, align 4
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%mul3 = mul nsw i32 %tmp1, %add2
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store i32 %mul3, i32* @prod, 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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