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annotate lib/CodeGen/MachinePassRegistry.cpp @ 134:3a76565eade5 LLVM5.0.1

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update 5.0.1
author mir3636
date Sat, 17 Feb 2018 09:57:20 +0900
parents 54457678186b
children
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1 //===-- CodeGen/MachineInstr.cpp ------------------------------------------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file contains the machine function pass registry for register allocators
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11 // and instruction schedulers.
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12 //
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13 //===----------------------------------------------------------------------===//
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14
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15 #include "llvm/CodeGen/MachinePassRegistry.h"
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16
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17 using namespace llvm;
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18
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19 void MachinePassRegistryListener::anchor() { }
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20
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21 /// setDefault - Set the default constructor by name.
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22 void MachinePassRegistry::setDefault(StringRef Name) {
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23 MachinePassCtor Ctor = nullptr;
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24 for(MachinePassRegistryNode *R = getList(); R; R = R->getNext()) {
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25 if (R->getName() == Name) {
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26 Ctor = R->getCtor();
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27 break;
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28 }
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29 }
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30 assert(Ctor && "Unregistered pass name");
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31 setDefault(Ctor);
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32 }
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33
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34 /// Add - Adds a function pass to the registration list.
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35 ///
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36 void MachinePassRegistry::Add(MachinePassRegistryNode *Node) {
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37 Node->setNext(List);
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38 List = Node;
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39 if (Listener) Listener->NotifyAdd(Node->getName(),
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40 Node->getCtor(),
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41 Node->getDescription());
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42 }
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43
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44
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45 /// Remove - Removes a function pass from the registration list.
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46 ///
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47 void MachinePassRegistry::Remove(MachinePassRegistryNode *Node) {
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48 for (MachinePassRegistryNode **I = &List; *I; I = (*I)->getNextAddress()) {
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49 if (*I == Node) {
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50 if (Listener) Listener->NotifyRemove(Node->getName());
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51 *I = (*I)->getNext();
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52 break;
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53 }
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54 }
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55 }