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      1 //===-- AMDGPUMachineFunctionInfo.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 #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINEFUNCTION_H
     11 #define LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINEFUNCTION_H
     12 
     13 #include "llvm/CodeGen/MachineFunction.h"
     14 #include <map>
     15 
     16 namespace llvm {
     17 
     18 class AMDGPUMachineFunction : public MachineFunctionInfo {
     19   uint64_t KernArgSize;
     20   unsigned MaxKernArgAlign;
     21 
     22   virtual void anchor();
     23 
     24 public:
     25   AMDGPUMachineFunction(const MachineFunction &MF);
     26 
     27   uint64_t allocateKernArg(uint64_t Size, unsigned Align) {
     28     assert(isPowerOf2_32(Align));
     29     KernArgSize = alignTo(KernArgSize, Align);
     30 
     31     uint64_t Result = KernArgSize;
     32     KernArgSize += Size;
     33 
     34     MaxKernArgAlign = std::max(Align, MaxKernArgAlign);
     35     return Result;
     36   }
     37 
     38   /// A map to keep track of local memory objects and their offsets within
     39   /// the local memory space.
     40   std::map<const GlobalValue *, unsigned> LocalMemoryObjects;
     41   /// Number of bytes in the LDS that are being used.
     42   unsigned LDSSize;
     43 
     44   /// Start of implicit kernel args
     45   unsigned ABIArgOffset;
     46 
     47   bool isKernel() const;
     48 
     49   unsigned ScratchSize;
     50   bool IsKernel;
     51 };
     52 
     53 }
     54 #endif
     55