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 {
31     AU.addRequired<DataLayout>();
32     AU.addPreserved<MachineFunctionAnalysis>();
33   }
34 
35   virtual bool runOnFunction(Function &F);
36 
37   static const unsigned MaxAggrCopySize = 128;
38 
39   virtual const char *getPassName() const {
40     return "Lower aggregate copies/intrinsics into loops";
41   }
42 };
43 
44 extern FunctionPass *createLowerAggrCopies();
45 }
46 
47 #endif
48