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1 //===- Comdat.cpp - Implement Metadata classes ----------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // This file implements the Comdat class (including the C bindings).
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10 //
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11 //===----------------------------------------------------------------------===//
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12
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13 #include "llvm-c/Comdat.h"
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14 #include "llvm/ADT/StringMap.h"
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15 #include "llvm/ADT/StringRef.h"
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16 #include "llvm/IR/Comdat.h"
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17 #include "llvm/IR/GlobalObject.h"
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18 #include "llvm/IR/Module.h"
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19
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20 using namespace llvm;
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21
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22 Comdat::Comdat(Comdat &&C) : Name(C.Name), SK(C.SK) {}
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23
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24 Comdat::Comdat() = default;
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25
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26 StringRef Comdat::getName() const { return Name->first(); }
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27
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28 LLVMComdatRef LLVMGetOrInsertComdat(LLVMModuleRef M, const char *Name) {
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29 return wrap(unwrap(M)->getOrInsertComdat(Name));
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30 }
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31
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32 LLVMComdatRef LLVMGetComdat(LLVMValueRef V) {
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33 GlobalObject *G = unwrap<GlobalObject>(V);
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34 return wrap(G->getComdat());
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35 }
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36
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37 void LLVMSetComdat(LLVMValueRef V, LLVMComdatRef C) {
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38 GlobalObject *G = unwrap<GlobalObject>(V);
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39 G->setComdat(unwrap(C));
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40 }
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41
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42 LLVMComdatSelectionKind LLVMGetComdatSelectionKind(LLVMComdatRef C) {
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43 switch (unwrap(C)->getSelectionKind()) {
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44 case Comdat::Any:
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45 return LLVMAnyComdatSelectionKind;
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46 case Comdat::ExactMatch:
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47 return LLVMExactMatchComdatSelectionKind;
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48 case Comdat::Largest:
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49 return LLVMLargestComdatSelectionKind;
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50 case Comdat::NoDuplicates:
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51 return LLVMNoDuplicatesComdatSelectionKind;
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52 case Comdat::SameSize:
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53 return LLVMSameSizeComdatSelectionKind;
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54 }
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55 llvm_unreachable("Invalid Comdat SelectionKind!");
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56 }
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57
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58 void LLVMSetComdatSelectionKind(LLVMComdatRef C, LLVMComdatSelectionKind kind) {
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59 Comdat *Cd = unwrap(C);
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60 switch (kind) {
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61 case LLVMAnyComdatSelectionKind:
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62 Cd->setSelectionKind(Comdat::Any);
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63 break;
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64 case LLVMExactMatchComdatSelectionKind:
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65 Cd->setSelectionKind(Comdat::ExactMatch);
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66 break;
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67 case LLVMLargestComdatSelectionKind:
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68 Cd->setSelectionKind(Comdat::Largest);
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69 break;
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70 case LLVMNoDuplicatesComdatSelectionKind:
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71 Cd->setSelectionKind(Comdat::NoDuplicates);
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72 break;
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73 case LLVMSameSizeComdatSelectionKind:
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74 Cd->setSelectionKind(Comdat::SameSize);
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75 break;
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76 }
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77 }
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