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annotate test/Transforms/SROA/fca.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children afa8332a0e37
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: opt < %s -sroa -S | FileCheck %s
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2 ; RUN: opt < %s -sroa -force-ssa-updater -S | FileCheck %s
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3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n8:16:32:64"
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4
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5 define { i32, i32 } @test0(i32 %x, i32 %y) {
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6 ; CHECK-LABEL: @test0(
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 ; CHECK-NOT: alloca
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 ; CHECK: insertvalue { i32, i32 }
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9 ; CHECK: insertvalue { i32, i32 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 ; CHECK: ret { i32, i32 }
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11
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12 entry:
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13 %a = alloca { i32, i32 }
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14
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15 store { i32, i32 } undef, { i32, i32 }* %a
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16
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17 %gep1 = getelementptr inbounds { i32, i32 }* %a, i32 0, i32 0
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18 store i32 %x, i32* %gep1
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19 %gep2 = getelementptr inbounds { i32, i32 }* %a, i32 0, i32 1
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20 store i32 %y, i32* %gep2
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21
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22 %result = load { i32, i32 }* %a
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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23 ret { i32, i32 } %result
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24 }
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25
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26 define { i32, i32 } @test1(i32 %x, i32 %y) {
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27 ; FIXME: This may be too conservative. Duncan argues that we are allowed to
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28 ; split the volatile load and store here but must produce volatile scalar loads
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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29 ; and stores from them.
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30 ; CHECK-LABEL: @test1(
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31 ; CHECK: alloca
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32 ; CHECK: alloca
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33 ; CHECK: load volatile { i32, i32 }*
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34 ; CHECK: store volatile { i32, i32 }
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35 ; CHECK: ret { i32, i32 }
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36
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37 entry:
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38 %a = alloca { i32, i32 }
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39 %b = alloca { i32, i32 }
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40
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41 %gep1 = getelementptr inbounds { i32, i32 }* %a, i32 0, i32 0
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42 store i32 %x, i32* %gep1
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43 %gep2 = getelementptr inbounds { i32, i32 }* %a, i32 0, i32 1
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44 store i32 %y, i32* %gep2
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45
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46 %result = load volatile { i32, i32 }* %a
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47 store volatile { i32, i32 } %result, { i32, i32 }* %b
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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48 ret { i32, i32 } %result
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49 }