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annotate test/CodeGen/PowerPC/empty-functions.ll @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents afa8332a0e37
children 1172e4bd9c6f
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60c9769439b8 LLVM 3.7
Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
parents: 77
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1 ; RUN: llc < %s -mtriple=powerpc-apple-darwin | FileCheck -check-prefix=CHECK-MACHO %s
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parents: 77
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2 ; RUN: llc < %s -mtriple=powerpc-apple-darwin -disable-fp-elim | FileCheck -check-prefix=CHECK-MACHO %s
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3 ; RUN: llc < %s -mtriple=powerpc-linux-gnu | FileCheck -check-prefix=LINUX-NO-FP %s
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4 ; RUN: llc < %s -mtriple=powerpc-linux-gnu -disable-fp-elim | FileCheck -check-prefix=LINUX-FP %s
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6 define void @func() {
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7 entry:
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8 unreachable
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9 }
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parents: 77
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parents: 77
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11 ; MachO cannot handle an empty function.
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12 ; CHECK-MACHO: _func:
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parents: 77
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13 ; CHECK-MACHO-NEXT: .cfi_startproc
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14 ; CHECK-MACHO-NEXT: {{^}};
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15 ; CHECK-MACHO-NEXT: nop
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16 ; CHECK-MACHO-NEXT: .cfi_endproc
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17
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18 ; An empty function is perfectly fine on ELF.
60c9769439b8 LLVM 3.7
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parents: 77
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19 ; LINUX-NO-FP: func:
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afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 83
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20 ; LINUX-NO-FP-NEXT: {{^}}.L[[BEGIN:.*]]:{{$}}
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60c9769439b8 LLVM 3.7
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parents: 77
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21 ; LINUX-NO-FP-NEXT: .cfi_startproc
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22 ; LINUX-NO-FP-NEXT: {{^}}#
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23 ; LINUX-NO-FP-NEXT: {{^}}.L[[END:.*]]:{{$}}
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24 ; LINUX-NO-FP-NEXT: .size func, .L[[END]]-.L[[BEGIN]]
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25 ; LINUX-NO-FP-NEXT: .cfi_endproc
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26
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27 ; A cfi directive can point to the end of a function. It (and in fact the
60c9769439b8 LLVM 3.7
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parents: 77
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28 ; entire body) could be optimized out because of the unreachable, but we
60c9769439b8 LLVM 3.7
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parents: 77
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29 ; don't do it right now.
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parents: 77
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30 ; LINUX-FP: func:
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31 ; LINUX-FP-NEXT: {{^}}.L[[BEGIN:.*]]:{{$}}
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32 ; LINUX-FP-NEXT: .cfi_startproc
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33 ; LINUX-FP-NEXT: {{^}}#
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34 ; LINUX-FP-NEXT: stw 31, -4(1)
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35 ; LINUX-FP-NEXT: stwu 1, -16(1)
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parents: 77
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36 ; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
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37 ; LINUX-FP-NEXT: .cfi_def_cfa_offset 16
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38 ; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}}
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parents: 77
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39 ; LINUX-FP-NEXT: .cfi_offset r31, -4
60c9769439b8 LLVM 3.7
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parents: 77
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40 ; LINUX-FP-NEXT: mr 31, 1
60c9769439b8 LLVM 3.7
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parents: 77
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41 ; LINUX-FP-NEXT:{{^}}.L{{.*}}:{{$}}
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parents: 77
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42 ; LINUX-FP-NEXT: .cfi_def_cfa_register r31
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afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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43 ; LINUX-FP-NEXT: {{^}}.L[[END:.*]]:{{$}}
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 83
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44 ; LINUX-FP-NEXT: .size func, .L[[END]]-.L[[BEGIN]]
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45 ; LINUX-FP-NEXT: .cfi_endproc