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annotate test/Transforms/IndVarSimplify/zext-nuw.ll @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
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Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
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1 ; RUN: opt -indvars -S %s | FileCheck %s
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2
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3 %struct.A = type { i8 }
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4
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5 @c = global %struct.A* null
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6 @d = global i32 4
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7
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8 define void @_Z3fn1v() {
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9 %x2 = load i32, i32* @d
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10 %x3 = icmp slt i32 %x2, 1
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11 %x4 = select i1 %x3, i32 1, i32 %x2
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12 %x5 = load %struct.A*, %struct.A** @c
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13 %j.sroa.0.0..sroa_idx = getelementptr %struct.A, %struct.A* %x5, i64 0, i32 0
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14 %j.sroa.0.0.copyload = load i8, i8* %j.sroa.0.0..sroa_idx
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15 br label %.preheader4.lr.ph
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16
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17 .preheader4.lr.ph: ; preds = %0
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18 ; CHECK-NOT: add i64 {{.*}}, 4294967296
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19 br label %.preheader4
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20
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21 .preheader4: ; preds = %x22, %.preheader4.lr.ph
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22 %k.09 = phi i8* [ undef, %.preheader4.lr.ph ], [ %x25, %x22 ]
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23 %x8 = icmp ult i32 0, 4
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24 br i1 %x8, label %.preheader.lr.ph, label %x22
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25
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26 .preheader.lr.ph: ; preds = %.preheader4
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27 br label %.preheader
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28
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29 .preheader: ; preds = %x17, %.preheader.lr.ph
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30 %k.17 = phi i8* [ %k.09, %.preheader.lr.ph ], [ %x19, %x17 ]
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31 %v.06 = phi i32 [ 0, %.preheader.lr.ph ], [ %x20, %x17 ]
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32 br label %x17
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33
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34 x17: ; preds = %.preheader
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35 %x18 = sext i8 %j.sroa.0.0.copyload to i64
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36 %x19 = getelementptr i8, i8* %k.17, i64 %x18
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37 %x20 = add i32 %v.06, 1
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38 %x21 = icmp ult i32 %x20, %x4
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39 br i1 %x21, label %.preheader, label %._crit_edge.8
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40
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41 ._crit_edge.8: ; preds = %x17
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42 %split = phi i8* [ %x19, %x17 ]
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43 br label %x22
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44
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45 x22: ; preds = %._crit_edge.8, %.preheader4
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46 %k.1.lcssa = phi i8* [ %split, %._crit_edge.8 ], [ %k.09, %.preheader4 ]
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47 %x25 = getelementptr i8, i8* %k.1.lcssa
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48 br label %.preheader4
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49 }