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annotate test/MC/MachO/cstexpr-gotpcrel-32.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
children c2174574ed3a
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95
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc -mtriple=i386-apple-darwin %s -o %t
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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2 ; RUN: FileCheck %s < %t
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3 ; RUN: FileCheck %s -check-prefix=GOT-EQUIV < %t
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4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 ; GOT equivalent globals references can be replaced by the GOT entry of the
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 ; final symbol instead.
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7
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 %struct.data = type { i32, %struct.anon }
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9 %struct.anon = type { i32, i32 }
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10
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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11 ; Check that these got equivalent symbols are never emitted or used
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 ; GOT-EQUIV-NOT: _localgotequiv
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 ; GOT-EQUIV-NOT: _extgotequiv
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 @localfoo = global i32 42
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15 @localgotequiv = private unnamed_addr constant i32* @localfoo
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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16
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 @extfoo = external global i32
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18 @extgotequiv = private unnamed_addr constant i32* @extfoo
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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19
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 ; Don't replace GOT equivalent usage within instructions and emit the GOT
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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21 ; equivalent since it can't be replaced by the GOT entry. @bargotequiv is
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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22 ; used by an instruction inside @t0.
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23 ;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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24 ; CHECK: l_bargotequiv:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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25 ; CHECK-NEXT: .long _extbar
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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26 @extbar = external global i32
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27 @bargotequiv = private unnamed_addr constant i32* @extbar
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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29 @table = global [4 x %struct.data] [
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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30 ; CHECK-LABEL: _table
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31 %struct.data { i32 1, %struct.anon { i32 2, i32 3 } },
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32 ; Test GOT equivalent usage inside nested constant arrays.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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33 ; CHECK: .long 5
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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34 ; CHECK-NOT: l_localgotequiv-(_table+20)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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35 ; CHECK-NEXT: L_localfoo$non_lazy_ptr-(_table+20)
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36 %struct.data { i32 4, %struct.anon { i32 5,
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37 i32 sub (i32 ptrtoint (i32** @localgotequiv to i32),
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38 i32 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data], [4 x %struct.data]* @table, i32 0, i32 1, i32 1, i32 1) to i32))}
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39 },
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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40 ; CHECK: .long 5
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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41 ; CHECK-NOT: l_extgotequiv-(_table+32)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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42 ; CHECK-NEXT: L_extfoo$non_lazy_ptr-(_table+32)
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43 %struct.data { i32 4, %struct.anon { i32 5,
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44 i32 sub (i32 ptrtoint (i32** @extgotequiv to i32),
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45 i32 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data], [4 x %struct.data]* @table, i32 0, i32 2, i32 1, i32 1) to i32))}
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46 },
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47 ; Test support for arbitrary constants into the GOTPCREL offset
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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48 ; CHECK: .long 5
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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49 ; CHECK-NOT: (l_extgotequiv-(_table+44))+24
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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50 ; CHECK-NEXT: L_extfoo$non_lazy_ptr-(_table+20)
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51 %struct.data { i32 4, %struct.anon { i32 5,
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52 i32 add (i32 sub (i32 ptrtoint (i32** @extgotequiv to i32),
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53 i32 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data], [4 x %struct.data]* @table, i32 0, i32 3, i32 1, i32 1) to i32)),
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54 i32 24)}
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55 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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56 ], align 16
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57
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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58 ; Test multiple uses of GOT equivalents.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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59 ; CHECK-LABEL: _delta
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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60 ; CHECK: .long L_extfoo$non_lazy_ptr-_delta
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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61 @delta = global i32 sub (i32 ptrtoint (i32** @extgotequiv to i32),
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62 i32 ptrtoint (i32* @delta to i32))
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63
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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64 ; CHECK-LABEL: _deltaplus:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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65 ; CHECK: .long L_localfoo$non_lazy_ptr-(_deltaplus-55)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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66 @deltaplus = global i32 add (i32 sub (i32 ptrtoint (i32** @localgotequiv to i32),
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67 i32 ptrtoint (i32* @deltaplus to i32)),
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68 i32 55)
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69
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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70 define i32 @t0(i32 %a) {
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71 %x = add i32 sub (i32 ptrtoint (i32** @bargotequiv to i32),
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72 i32 ptrtoint (i32 (i32)* @t0 to i32)), %a
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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73 ret i32 %x
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74 }