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annotate test/Transforms/ADCE/2002-07-17-PHIAssertion.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
children 803732b1fca8
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1 ; This testcase was extracted from the gzip SPEC benchmark
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2 ;
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3 ; RUN: opt < %s -adce
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5 @bk = external global i32 ; <i32*> [#uses=2]
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6 @hufts = external global i32 ; <i32*> [#uses=1]
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8 define i32 @inflate() {
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9 bb0:
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10 br label %bb2
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12 bb2: ; preds = %bb6, %bb0
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13 %reg128 = phi i32 [ %reg130, %bb6 ], [ 0, %bb0 ] ; <i32> [#uses=2]
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14 br i1 true, label %bb4, label %bb3
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16 bb3: ; preds = %bb2
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17 br label %UnifiedExitNode
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19 bb4: ; preds = %bb2
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20 %reg117 = load i32, i32* @hufts ; <i32> [#uses=2]
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21 %cond241 = icmp ule i32 %reg117, %reg128 ; <i1> [#uses=1]
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22 br i1 %cond241, label %bb6, label %bb5
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23
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24 bb5: ; preds = %bb4
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25 br label %bb6
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27 bb6: ; preds = %bb5, %bb4
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28 %reg130 = phi i32 [ %reg117, %bb5 ], [ %reg128, %bb4 ] ; <i32> [#uses=1]
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29 br i1 false, label %bb2, label %bb7
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31 bb7: ; preds = %bb6
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32 %reg126 = load i32, i32* @bk ; <i32> [#uses=1]
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33 %cond247 = icmp ule i32 %reg126, 7 ; <i1> [#uses=1]
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34 br i1 %cond247, label %bb9, label %bb8
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35
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36 bb8: ; preds = %bb8, %bb7
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37 %reg119 = load i32, i32* @bk ; <i32> [#uses=1]
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38 %cond256 = icmp ugt i32 %reg119, 7 ; <i1> [#uses=1]
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39 br i1 %cond256, label %bb8, label %bb9
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41 bb9: ; preds = %bb8, %bb7
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42 br label %UnifiedExitNode
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43
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44 UnifiedExitNode: ; preds = %bb9, %bb3
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45 %UnifiedRetVal = phi i32 [ 7, %bb3 ], [ 0, %bb9 ] ; <i32> [#uses=1]
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46 ret i32 %UnifiedRetVal
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47 }
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