lib/IR/Comdat.cpp

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