Mercurial > hg > CbC > CbC_llvm

annotate test/Transforms/IndVarSimplify/loop_evaluate8.ll @ 120:1172e4bd9c6f

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update 4.0.0
author mir3636
date Fri, 25 Nov 2016 19:14:25 +0900
parents afa8332a0e37
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ; RUN: opt < %s -indvars -S | FileCheck %s
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2
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3 ; This loop has backedge-taken-count zero. Indvars shouldn't expand any
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4 ; instructions to compute a trip count.
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5
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6 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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7 target triple = "i386-pc-linux-gnu"
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8
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9 define i8* @string_expandtabs() nounwind {
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10 ; CHECK-LABEL: @string_expandtabs(
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11 ; CHECK-NOT: select
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12 entry:
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13 br i1 undef, label %bb33, label %bb1
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14
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15 bb1: ; preds = %entry
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16 br i1 undef, label %overflow1, label %bb15
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17
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18 bb15: ; preds = %bb1
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19 br i1 undef, label %bb33, label %bb17
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20
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21 bb17: ; preds = %bb15
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22 br label %bb30
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23
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24 bb19: ; preds = %bb30
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25 br i1 undef, label %bb20, label %bb29
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26
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27 bb20: ; preds = %bb19
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28 %0 = load i32, i32* undef, align 4 ; <i32> [#uses=1]
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29 %1 = sub i32 %0, undef ; <i32> [#uses=1]
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30 br label %bb23
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31
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32 bb21: ; preds = %bb23
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33 %2 = icmp ult i8* %q.0, undef ; <i1> [#uses=1]
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34 br i1 %2, label %bb22, label %overflow2
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35
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36 bb22: ; preds = %bb21
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37 %3 = getelementptr i8, i8* %q.0, i32 1 ; <i8*> [#uses=1]
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38 br label %bb23
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39
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40 bb23: ; preds = %bb22, %bb20
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41 %i.2 = phi i32 [ %1, %bb20 ], [ %4, %bb22 ] ; <i32> [#uses=1]
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42 %q.0 = phi i8* [ undef, %bb20 ], [ %3, %bb22 ] ; <i8*> [#uses=3]
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43 %4 = add i32 %i.2, -1 ; <i32> [#uses=2]
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44 %5 = icmp eq i32 %4, -1 ; <i1> [#uses=1]
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45 br i1 %5, label %bb29, label %bb21
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46
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47 bb29: ; preds = %bb23, %bb19
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48 %q.1 = phi i8* [ undef, %bb19 ], [ %q.0, %bb23 ] ; <i8*> [#uses=0]
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49 br label %bb30
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50
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51 bb30: ; preds = %bb29, %bb17
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52 br i1 undef, label %bb19, label %bb33
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53
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54 overflow2: ; preds = %bb21
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55 br i1 undef, label %bb32, label %overflow1
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56
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57 bb32: ; preds = %overflow2
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58 br label %overflow1
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59
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60 overflow1: ; preds = %bb32, %overflow2, %bb1
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61 ret i8* null
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62
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63 bb33: ; preds = %bb30, %bb15, %entry
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64 ret i8* undef
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65 }