| //===-- AllocaHoisting.h - Hosist allocas to the entry block ----*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Hoist the alloca instructions in the non-entry blocks to the entry blocks. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_NVPTX_NVPTXALLOCAHOISTING_H |
| #define LLVM_LIB_TARGET_NVPTX_NVPTXALLOCAHOISTING_H |
| |
| #include "llvm/CodeGen/MachineFunctionAnalysis.h" |
| #include "llvm/CodeGen/StackProtector.h" |
| #include "llvm/IR/DataLayout.h" |
| #include "llvm/Pass.h" |
| |
| namespace llvm { |
| |
| class FunctionPass; |
| class Function; |
| |
| // Hoisting the alloca instructions in the non-entry blocks to the entry |
| // block. |
| class NVPTXAllocaHoisting : public FunctionPass { |
| public: |
| static char ID; // Pass ID |
| NVPTXAllocaHoisting() : FunctionPass(ID) {} |
| |
| void getAnalysisUsage(AnalysisUsage &AU) const override { |
| AU.addRequired<DataLayoutPass>(); |
| AU.addPreserved<MachineFunctionAnalysis>(); |
| AU.addPreserved<StackProtector>(); |
| } |
| |
| const char *getPassName() const override { |
| return "NVPTX specific alloca hoisting"; |
| } |
| |
| bool runOnFunction(Function &function) override; |
| }; |
| |
| extern FunctionPass *createAllocaHoisting(); |
| |
| } // end namespace llvm |
| |
| #endif |