1 //===- Comdat.cpp - Implement Metadata classes ----------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file implements the Comdat class (including the C bindings). 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "llvm-c/Comdat.h" 14 #include "llvm/ADT/StringMap.h" 15 #include "llvm/ADT/StringRef.h" 16 #include "llvm/IR/Comdat.h" 17 #include "llvm/IR/GlobalObject.h" 18 #include "llvm/IR/Module.h" 19 20 using namespace llvm; 21 22 Comdat::Comdat(Comdat &&C) : Name(C.Name), SK(C.SK) {} 23 24 Comdat::Comdat() = default; 25 26 StringRef Comdat::getName() const { return Name->first(); } 27 28 LLVMComdatRef LLVMGetOrInsertComdat(LLVMModuleRef M, const char *Name) { 29 return wrap(unwrap(M)->getOrInsertComdat(Name)); 30 } 31 32 LLVMComdatRef LLVMGetComdat(LLVMValueRef V) { 33 GlobalObject *G = unwrap<GlobalObject>(V); 34 return wrap(G->getComdat()); 35 } 36 37 void LLVMSetComdat(LLVMValueRef V, LLVMComdatRef C) { 38 GlobalObject *G = unwrap<GlobalObject>(V); 39 G->setComdat(unwrap(C)); 40 } 41 42 LLVMComdatSelectionKind LLVMGetComdatSelectionKind(LLVMComdatRef C) { 43 switch (unwrap(C)->getSelectionKind()) { 44 case Comdat::Any: 45 return LLVMAnyComdatSelectionKind; 46 case Comdat::ExactMatch: 47 return LLVMExactMatchComdatSelectionKind; 48 case Comdat::Largest: 49 return LLVMLargestComdatSelectionKind; 50 case Comdat::NoDeduplicate: 51 return LLVMNoDeduplicateComdatSelectionKind; 52 case Comdat::SameSize: 53 return LLVMSameSizeComdatSelectionKind; 54 } 55 llvm_unreachable("Invalid Comdat SelectionKind!"); 56 } 57 58 void LLVMSetComdatSelectionKind(LLVMComdatRef C, LLVMComdatSelectionKind kind) { 59 Comdat *Cd = unwrap(C); 60 switch (kind) { 61 case LLVMAnyComdatSelectionKind: 62 Cd->setSelectionKind(Comdat::Any); 63 break; 64 case LLVMExactMatchComdatSelectionKind: 65 Cd->setSelectionKind(Comdat::ExactMatch); 66 break; 67 case LLVMLargestComdatSelectionKind: 68 Cd->setSelectionKind(Comdat::Largest); 69 break; 70 case LLVMNoDeduplicateComdatSelectionKind: 71 Cd->setSelectionKind(Comdat::NoDeduplicate); 72 break; 73 case LLVMSameSizeComdatSelectionKind: 74 Cd->setSelectionKind(Comdat::SameSize); 75 break; 76 } 77 } 78