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//===- llvm/Codegen/LinkAllCodegenComponents.h ------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header file pulls in all codegen related passes for tools like lli and
// llc that need this functionality.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_LINKALLCODEGENCOMPONENTS_H
#define LLVM_CODEGEN_LINKALLCODEGENCOMPONENTS_H
#include "llvm/CodeGen/GCs.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/SchedulerRegistry.h"
#include "llvm/Target/TargetMachine.h"
#include <cstdlib>
namespace {
struct ForceCodegenLinking {
ForceCodegenLinking() {
// We must reference the passes in such a way that compilers will not
// delete it all as dead code, even with whole program optimization,
// yet is effectively a NO-OP. As the compiler isn't smart enough
// to know that getenv() never returns -1, this will do the job.
if (std::getenv("bar") != (char*) -1)
return;
(void) llvm::createFastRegisterAllocator();
(void) llvm::createBasicRegisterAllocator();
(void) llvm::createGreedyRegisterAllocator();
(void) llvm::createDefaultPBQPRegisterAllocator();
llvm::linkOcamlGC();
llvm::linkErlangGC();
llvm::linkShadowStackGC();
(void) llvm::createBURRListDAGScheduler(nullptr,
llvm::CodeGenOpt::Default);
(void) llvm::createSourceListDAGScheduler(nullptr,
llvm::CodeGenOpt::Default);
(void) llvm::createHybridListDAGScheduler(nullptr,
llvm::CodeGenOpt::Default);
(void) llvm::createFastDAGScheduler(nullptr, llvm::CodeGenOpt::Default);
(void) llvm::createDefaultScheduler(nullptr, llvm::CodeGenOpt::Default);
(void) llvm::createVLIWDAGScheduler(nullptr, llvm::CodeGenOpt::Default);
}
} ForceCodegenLinking; // Force link by creating a global definition.
}
#endif
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