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74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
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//===-- AVRMachineFuctionInfo.h - AVR machine function info -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares AVR-specific per-machine-function information.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_AVR_MACHINE_FUNCTION_INFO_H
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#define LLVM_AVR_MACHINE_FUNCTION_INFO_H
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#include "AVRConfig.h"
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#include "llvm/CodeGen/MachineFunction.h"
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namespace llvm {
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/**
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* Contains AVR-specific information for each MachineFunction.
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*/
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class AVRMachineFunctionInfo : public MachineFunctionInfo {
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/// Indicates if a register has been spilled by the register
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/// allocator.
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bool HasSpills;
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/// Indicates if there are any fixed size allocas present.
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/// Note that if there are only variable sized allocas this is set to false.
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bool HasAllocas;
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/// Indicates if arguments passed using the stack are being
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/// used inside the function.
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bool HasStackArgs;
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/// Size of the callee-saved register portion of the
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/// stack frame in bytes.
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unsigned CalleeSavedFrameSize;
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/// FrameIndex for start of varargs area.
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int VarArgsFrameIndex;
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public:
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AVRMachineFunctionInfo()
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: HasSpills(false), HasAllocas(false), HasStackArgs(false),
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CalleeSavedFrameSize(0), VarArgsFrameIndex(0) {}
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explicit AVRMachineFunctionInfo(MachineFunction &MF)
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: HasSpills(false), HasAllocas(false), HasStackArgs(false),
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CalleeSavedFrameSize(0), VarArgsFrameIndex(0) {}
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bool getHasSpills() const { return HasSpills; }
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void setHasSpills(bool B) { HasSpills = B; }
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bool getHasAllocas() const { return HasAllocas; }
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void setHasAllocas(bool B) { HasAllocas = B; }
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bool getHasStackArgs() const { return HasStackArgs; }
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void setHasStackArgs(bool B) { HasStackArgs = B; }
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unsigned getCalleeSavedFrameSize() const { return CalleeSavedFrameSize; }
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void setCalleeSavedFrameSize(unsigned Bytes) { CalleeSavedFrameSize = Bytes; }
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int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
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void setVarArgsFrameIndex(int Idx) { VarArgsFrameIndex = Idx; }
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};
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} // end llvm namespace
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#endif // LLVM_AVR_MACHINE_FUNCTION_INFO_H
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