//===- 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/Passes.h" #include "llvm/CodeGen/SchedulerRegistry.h" #include "llvm/CodeGen/GCs.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::createDeadMachineInstructionElimPass(); (void) llvm::createFastRegisterAllocator(); (void) llvm::createBasicRegisterAllocator(); (void) llvm::createLinearScanRegisterAllocator(); (void) llvm::createGreedyRegisterAllocator(); (void) llvm::createDefaultPBQPRegisterAllocator(); llvm::linkOcamlGC(); llvm::linkShadowStackGC(); (void) llvm::createBURRListDAGScheduler(NULL, llvm::CodeGenOpt::Default); (void) llvm::createTDRRListDAGScheduler(NULL, llvm::CodeGenOpt::Default); (void) llvm::createSourceListDAGScheduler(NULL,llvm::CodeGenOpt::Default); (void) llvm::createHybridListDAGScheduler(NULL,llvm::CodeGenOpt::Default); (void) llvm::createTDListDAGScheduler(NULL, llvm::CodeGenOpt::Default); (void) llvm::createFastDAGScheduler(NULL, llvm::CodeGenOpt::Default); (void) llvm::createDefaultScheduler(NULL, llvm::CodeGenOpt::Default); } } ForceCodegenLinking; // Force link by creating a global definition. } #endif