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annotate test/Transforms/IndVarSimplify/loop_evaluate7.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
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1 ; RUN: opt < %s -indvars
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2 ; PR4436
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3
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4 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32"
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5 target triple = "i386-pc-linux-gnu"
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7 define i8* @string_expandtabs(i32 %n, i8* %m) nounwind {
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8 entry:
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9 br i1 undef, label %bb33, label %bb1
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10
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11 bb1: ; preds = %entry
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12 br i1 undef, label %overflow1, label %bb15
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13
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14 bb15: ; preds = %bb1
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15 br i1 undef, label %bb33, label %bb17
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16
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17 bb17: ; preds = %bb15
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18 br label %bb30
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19
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20 bb19: ; preds = %bb30
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21 br i1 undef, label %bb20, label %bb29
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22
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23 bb20: ; preds = %bb19
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24 %0 = load i32, i32* undef, align 4 ; <i32> [#uses=1]
0
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25 %1 = sub i32 %0, %n ; <i32> [#uses=1]
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26 br label %bb23
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27
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28 bb21: ; preds = %bb23
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29 %2 = icmp ult i8* %q.0, %m ; <i1> [#uses=1]
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30 br i1 %2, label %bb22, label %overflow2
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31
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32 bb22: ; preds = %bb21
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33 %3 = getelementptr i8, i8* %q.0, i32 1 ; <i8*> [#uses=1]
0
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34 br label %bb23
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35
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36 bb23: ; preds = %bb22, %bb20
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37 %i.2 = phi i32 [ %1, %bb20 ], [ %4, %bb22 ] ; <i32> [#uses=1]
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38 %q.0 = phi i8* [ undef, %bb20 ], [ %3, %bb22 ] ; <i8*> [#uses=3]
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39 %4 = add i32 %i.2, -1 ; <i32> [#uses=2]
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40 %5 = icmp eq i32 %4, -1 ; <i1> [#uses=1]
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41 br i1 %5, label %bb29, label %bb21
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42
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43 bb29: ; preds = %bb23, %bb19
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44 %q.1 = phi i8* [ undef, %bb19 ], [ %q.0, %bb23 ] ; <i8*> [#uses=0]
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45 br label %bb30
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46
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47 bb30: ; preds = %bb29, %bb17
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48 br i1 undef, label %bb19, label %bb33
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49
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50 overflow2: ; preds = %bb21
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51 br i1 undef, label %bb32, label %overflow1
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52
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53 bb32: ; preds = %overflow2
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54 br label %overflow1
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55
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56 overflow1: ; preds = %bb32, %overflow2, %bb1
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57 ret i8* null
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58
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59 bb33: ; preds = %bb30, %bb15, %entry
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60 ret i8* undef
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61 }