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annotate test/Analysis/BasicAA/2014-03-18-Maxlookup-reached.ll @ 77:54457678186b LLVM3.6

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
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children afa8332a0e37
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
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2
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3 ; PR15967
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4 ; BasicAA claims no alias when there is (due to a problem when the MaxLookup
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5 ; limit was reached).
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6
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7 target datalayout = "e"
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8
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9 %struct.foo = type { i32, i32 }
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10
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11 define i32 @main() {
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12 %t = alloca %struct.foo, align 4
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13 %1 = getelementptr inbounds %struct.foo* %t, i32 0, i32 0
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14 store i32 1, i32* %1, align 4
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15 %2 = getelementptr inbounds %struct.foo* %t, i64 1
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16 %3 = bitcast %struct.foo* %2 to i8*
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17 %4 = getelementptr inbounds i8* %3, i32 -1
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18 store i8 0, i8* %4
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19 %5 = getelementptr inbounds i8* %4, i32 -1
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20 store i8 0, i8* %5
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21 %6 = getelementptr inbounds i8* %5, i32 -1
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22 store i8 0, i8* %6
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23 %7 = getelementptr inbounds i8* %6, i32 -1
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24 store i8 0, i8* %7
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25 %8 = getelementptr inbounds i8* %7, i32 -1
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26 store i8 0, i8* %8
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27 %9 = getelementptr inbounds i8* %8, i32 -1
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28 store i8 0, i8* %9
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29 %10 = getelementptr inbounds i8* %9, i32 -1
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30 store i8 0, i8* %10
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31 %11 = getelementptr inbounds i8* %10, i32 -1
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32 store i8 0, i8* %11
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33 %12 = load i32* %1, align 4
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34 ret i32 %12
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35 ; CHECK: ret i32 %12
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36 }