llvm-project/llvm/lib/IR/Comdat.cpp

78 lines
2.3 KiB
C++

//===- Comdat.cpp - Implement Metadata classes ----------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements the Comdat class (including the C bindings).
//
//===----------------------------------------------------------------------===//
#include "llvm-c/Comdat.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/Comdat.h"
#include "llvm/IR/GlobalObject.h"
#include "llvm/IR/Module.h"
using namespace llvm;
Comdat::Comdat(Comdat &&C) : Name(C.Name), SK(C.SK) {}
Comdat::Comdat() = default;
StringRef Comdat::getName() const { return Name->first(); }
LLVMComdatRef LLVMGetOrInsertComdat(LLVMModuleRef M, const char *Name) {
return wrap(unwrap(M)->getOrInsertComdat(Name));
}
LLVMComdatRef LLVMGetComdat(LLVMValueRef V) {
GlobalObject *G = unwrap<GlobalObject>(V);
return wrap(G->getComdat());
}
void LLVMSetComdat(LLVMValueRef V, LLVMComdatRef C) {
GlobalObject *G = unwrap<GlobalObject>(V);
G->setComdat(unwrap(C));
}
LLVMComdatSelectionKind LLVMGetComdatSelectionKind(LLVMComdatRef C) {
switch (unwrap(C)->getSelectionKind()) {
case Comdat::Any:
return LLVMAnyComdatSelectionKind;
case Comdat::ExactMatch:
return LLVMExactMatchComdatSelectionKind;
case Comdat::Largest:
return LLVMLargestComdatSelectionKind;
case Comdat::NoDuplicates:
return LLVMNoDuplicatesComdatSelectionKind;
case Comdat::SameSize:
return LLVMSameSizeComdatSelectionKind;
}
llvm_unreachable("Invalid Comdat SelectionKind!");
}
void LLVMSetComdatSelectionKind(LLVMComdatRef C, LLVMComdatSelectionKind kind) {
Comdat *Cd = unwrap(C);
switch (kind) {
case LLVMAnyComdatSelectionKind:
Cd->setSelectionKind(Comdat::Any);
break;
case LLVMExactMatchComdatSelectionKind:
Cd->setSelectionKind(Comdat::ExactMatch);
break;
case LLVMLargestComdatSelectionKind:
Cd->setSelectionKind(Comdat::Largest);
break;
case LLVMNoDuplicatesComdatSelectionKind:
Cd->setSelectionKind(Comdat::NoDuplicates);
break;
case LLVMSameSizeComdatSelectionKind:
Cd->setSelectionKind(Comdat::SameSize);
break;
}
}