| //===- llvm/Codegen/LinkAllCodegenComponents.h ------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by James M. Laskey and 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/ScheduleDAG.h" |
| |
| 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::createSimpleRegisterAllocator(); |
| (void) llvm::createLocalRegisterAllocator(); |
| (void) llvm::createLinearScanRegisterAllocator(); |
| |
| (void) llvm::createBFS_DAGScheduler(NULL, NULL, NULL); |
| (void) llvm::createSimpleDAGScheduler(NULL, NULL, NULL); |
| (void) llvm::createNoItinsDAGScheduler(NULL, NULL, NULL); |
| (void) llvm::createBURRListDAGScheduler(NULL, NULL, NULL); |
| (void) llvm::createTDRRListDAGScheduler(NULL, NULL, NULL); |
| (void) llvm::createTDListDAGScheduler(NULL, NULL, NULL); |
| (void) llvm::createDefaultScheduler(NULL, NULL, NULL); |
| |
| } |
| } ForceCodegenLinking; // Force link by creating a global definition. |
| } |
| |
| #endif |