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      1 //===-- llvm/lib/Target/NVPTX/NVPTXLowerAggrCopies.h ------------*- C++ -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file contains the declaration of the NVIDIA specific lowering of
     11 // aggregate copies
     12 //
     13 //===----------------------------------------------------------------------===//
     14 
     15 #ifndef NVPTX_LOWER_AGGR_COPIES_H
     16 #define NVPTX_LOWER_AGGR_COPIES_H
     17 
     18 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
     19 #include "llvm/IR/DataLayout.h"
     20 #include "llvm/Pass.h"
     21 
     22 namespace llvm {
     23 
     24 // actual analysis class, which is a functionpass
     25 struct NVPTXLowerAggrCopies : public FunctionPass {
     26   static char ID;
     27 
     28   NVPTXLowerAggrCopies() : FunctionPass(ID) {}
     29 
     30   void getAnalysisUsage(AnalysisUsage &AU) const override {
     31     AU.addRequired<DataLayoutPass>();
     32     AU.addPreserved("stack-protector");
     33     AU.addPreserved<MachineFunctionAnalysis>();
     34   }
     35 
     36   bool runOnFunction(Function &F) override;
     37 
     38   static const unsigned MaxAggrCopySize = 128;
     39 
     40   const char *getPassName() const override {
     41     return "Lower aggregate copies/intrinsics into loops";
     42   }
     43 };
     44 
     45 extern FunctionPass *createLowerAggrCopies();
     46 }
     47 
     48 #endif
     49