2015-02-19 13:31:07 +08:00
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; RUN: opt %loadPolly -polly-detect-unprofitable -polly-scops -analyze < %s | FileCheck %s
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2014-06-19 07:08:14 +08:00
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;
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2014-08-01 16:13:25 +08:00
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; CHECK: Reduction Type: +
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2014-06-19 07:08:14 +08:00
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;
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; void f(int *sum) {
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; for (int i = 0; i < 100; i++)
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; sum[i] = sum[99-i] + i;
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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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define void @f(i32* %sum) {
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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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%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
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%exitcond = icmp ne i32 %i.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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%sub = sub nsw i32 99, %i.0
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2015-02-28 03:20:19 +08:00
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%arrayidx = getelementptr inbounds i32, i32* %sum, i32 %sub
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2015-02-28 05:22:50 +08:00
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%tmp = load i32, i32* %arrayidx, align 4
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2014-06-19 07:08:14 +08:00
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%add = add nsw i32 %tmp, %i.0
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2015-02-28 03:20:19 +08:00
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%arrayidx1 = getelementptr inbounds i32, i32* %sum, i32 %i.0
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2014-06-19 07:08:14 +08:00
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store i32 %add, i32* %arrayidx1, 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 %i.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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