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annotate test/Transforms/IndVarSimplify/lftr-promote.ll @ 52:c22698ecb2a9

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modified CreateIdentifierInfo and create new function which was named 'CreateUniqueIdentifierInfo'.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Wed, 15 Jan 2014 21:01:33 +0900
parents 95c75e76d11b
children afa8332a0e37
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1 ; RUN: opt < %s -indvars -S | grep add | count 1
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2
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3 ; Indvars should be able to compute the exit value of this loop
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4 ; without any additional arithmetic. The only add needed should
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5 ; be the canonical IV increment.
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7 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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9 define void @foo(double* %p, i32 %n) nounwind {
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10 entry:
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11 %0 = icmp sgt i32 %n, 0 ; <i1> [#uses=1]
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12 br i1 %0, label %bb.nph, label %return
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14 bb.nph: ; preds = %entry
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15 br label %bb2
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16
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17 bb2: ; preds = %bb3, %bb.nph
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18 %i.01 = phi i32 [ %7, %bb3 ], [ 0, %bb.nph ] ; <i32> [#uses=3]
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19 %1 = sext i32 %i.01 to i64 ; <i64> [#uses=1]
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20 %2 = getelementptr double* %p, i64 %1 ; <double*> [#uses=1]
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21 %3 = load double* %2, align 8 ; <double> [#uses=1]
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22 %4 = fmul double %3, 1.100000e+00 ; <double> [#uses=1]
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23 %5 = sext i32 %i.01 to i64 ; <i64> [#uses=1]
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24 %6 = getelementptr double* %p, i64 %5 ; <double*> [#uses=1]
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25 store double %4, double* %6, align 8
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26 %7 = add i32 %i.01, 1 ; <i32> [#uses=2]
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27 br label %bb3
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29 bb3: ; preds = %bb2
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30 %8 = icmp slt i32 %7, %n ; <i1> [#uses=1]
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31 br i1 %8, label %bb2, label %bb3.return_crit_edge
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32
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33 bb3.return_crit_edge: ; preds = %bb3
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34 br label %return
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36 return: ; preds = %bb3.return_crit_edge, %entry
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37 ret void
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38 }