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
22namespace llvm {
23
24// actual analysis class, which is a functionpass
25struct 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
45extern FunctionPass *createLowerAggrCopies();
46}
47
48#endif
49