LLVM  6.0.0svn
Public Member Functions | List of all members
llvm::SystemZCCState Class Reference

#include "Target/SystemZ/SystemZCallingConv.h"

Inheritance diagram for llvm::SystemZCCState:
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Collaboration diagram for llvm::SystemZCCState:
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Public Member Functions

 SystemZCCState (CallingConv::ID CC, bool isVarArg, MachineFunction &MF, SmallVectorImpl< CCValAssign > &locs, LLVMContext &C)
 
void AnalyzeFormalArguments (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn)
 
void AnalyzeCallOperands (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)
 
void AnalyzeCallOperands (const SmallVectorImpl< MVT > &Outs, SmallVectorImpl< ISD::ArgFlagsTy > &Flags, CCAssignFn Fn)=delete
 
bool IsFixed (unsigned ValNo)
 
bool IsShortVector (unsigned ValNo)
 
- Public Member Functions inherited from llvm::CCState
 CCState (CallingConv::ID CC, bool isVarArg, MachineFunction &MF, SmallVectorImpl< CCValAssign > &locs, LLVMContext &C)
 
void addLoc (const CCValAssign &V)
 
LLVMContextgetContext () const
 
MachineFunctiongetMachineFunction () const
 
CallingConv::ID getCallingConv () const
 
bool isVarArg () const
 
unsigned getNextStackOffset () const
 getNextStackOffset - Return the next stack offset such that all stack slots satisfy their alignment requirements. More...
 
unsigned getAlignedCallFrameSize () const
 getAlignedCallFrameSize - Return the size of the call frame needed to be able to store all arguments and such that the alignment requirement of each of the arguments is satisfied. More...
 
bool isAllocated (unsigned Reg) const
 isAllocated - Return true if the specified register (or an alias) is allocated. More...
 
void AnalyzeFormalArguments (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn)
 AnalyzeFormalArguments - Analyze an array of argument values, incorporating info about the formals into this state. More...
 
void AnalyzeArguments (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn)
 The function will invoke AnalyzeFormalArguments. More...
 
void AnalyzeReturn (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)
 AnalyzeReturn - Analyze the returned values of a return, incorporating info about the result values into this state. More...
 
bool CheckReturn (const SmallVectorImpl< ISD::OutputArg > &ArgsFlags, CCAssignFn Fn)
 CheckReturn - Analyze the return values of a function, returning true if the return can be performed without sret-demotion, and false otherwise. More...
 
void AnalyzeCallOperands (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)
 AnalyzeCallOperands - Analyze the outgoing arguments to a call, incorporating info about the passed values into this state. More...
 
void AnalyzeCallOperands (SmallVectorImpl< MVT > &ArgVTs, SmallVectorImpl< ISD::ArgFlagsTy > &Flags, CCAssignFn Fn)
 AnalyzeCallOperands - Same as above except it takes vectors of types and argument flags. More...
 
void AnalyzeArguments (const SmallVectorImpl< ISD::OutputArg > &Outs, CCAssignFn Fn)
 The function will invoke AnalyzeCallOperands. More...
 
void AnalyzeCallResult (const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn Fn)
 AnalyzeCallResult - Analyze the return values of a call, incorporating info about the passed values into this state. More...
 
bool IsShadowAllocatedReg (unsigned Reg) const
 A shadow allocated register is a register that was allocated but wasn't added to the location list (Locs). More...
 
void AnalyzeCallResult (MVT VT, CCAssignFn Fn)
 AnalyzeCallResult - Same as above except it's specialized for calls which produce a single value. More...
 
unsigned getFirstUnallocated (ArrayRef< MCPhysReg > Regs) const
 getFirstUnallocated - Return the index of the first unallocated register in the set, or Regs.size() if they are all allocated. More...
 
unsigned AllocateReg (unsigned Reg)
 AllocateReg - Attempt to allocate one register. More...
 
unsigned AllocateReg (unsigned Reg, unsigned ShadowReg)
 Version of AllocateReg with extra register to be shadowed. More...
 
unsigned AllocateReg (ArrayRef< MCPhysReg > Regs)
 AllocateReg - Attempt to allocate one of the specified registers. More...
 
unsigned AllocateRegBlock (ArrayRef< MCPhysReg > Regs, unsigned RegsRequired)
 AllocateRegBlock - Attempt to allocate a block of RegsRequired consecutive registers. More...
 
unsigned AllocateReg (ArrayRef< MCPhysReg > Regs, const MCPhysReg *ShadowRegs)
 Version of AllocateReg with list of registers to be shadowed. More...
 
unsigned AllocateStack (unsigned Size, unsigned Align)
 AllocateStack - Allocate a chunk of stack space with the specified size and alignment. More...
 
void ensureMaxAlignment (unsigned Align)
 
unsigned AllocateStack (unsigned Size, unsigned Align, unsigned ShadowReg)
 Version of AllocateStack with extra register to be shadowed. More...
 
unsigned AllocateStack (unsigned Size, unsigned Align, ArrayRef< MCPhysReg > ShadowRegs)
 Version of AllocateStack with list of extra registers to be shadowed. More...
 
void HandleByVal (unsigned ValNo, MVT ValVT, MVT LocVT, CCValAssign::LocInfo LocInfo, int MinSize, int MinAlign, ISD::ArgFlagsTy ArgFlags)
 Allocate space on the stack large enough to pass an argument by value. More...
 
unsigned getInRegsParamsCount () const
 
unsigned getInRegsParamsProcessed () const
 
void getInRegsParamInfo (unsigned InRegsParamRecordIndex, unsigned &BeginReg, unsigned &EndReg) const
 
void addInRegsParamInfo (unsigned RegBegin, unsigned RegEnd)
 
bool nextInRegsParam ()
 
void clearByValRegsInfo ()
 
void rewindByValRegsInfo ()
 
SmallVectorImpl< CCValAssign > & getPendingLocs ()
 
SmallVectorImpl< ISD::ArgFlagsTy > & getPendingArgFlags ()
 
void getRemainingRegParmsForType (SmallVectorImpl< MCPhysReg > &Regs, MVT VT, CCAssignFn Fn)
 Compute the remaining unused register parameters that would be used for the given value type. More...
 
void analyzeMustTailForwardedRegisters (SmallVectorImpl< ForwardedRegister > &Forwards, ArrayRef< MVT > RegParmTypes, CCAssignFn Fn)
 Compute the set of registers that need to be preserved and forwarded to any musttail calls. More...
 
template<class T >
void AnalyzeArgumentsSecondPass (const SmallVectorImpl< T > &Args, CCAssignFn Fn)
 The function runs an additional analysis pass over function arguments. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from llvm::CCState
static bool resultsCompatible (CallingConv::ID CalleeCC, CallingConv::ID CallerCC, MachineFunction &MF, LLVMContext &C, const SmallVectorImpl< ISD::InputArg > &Ins, CCAssignFn CalleeFn, CCAssignFn CallerFn)
 Returns true if the results of the two calling conventions are compatible. More...
 

Detailed Description

Definition at line 26 of file SystemZCallingConv.h.

Constructor & Destructor Documentation

◆ SystemZCCState()

llvm::SystemZCCState::SystemZCCState ( CallingConv::ID  CC,
bool  isVarArg,
MachineFunction MF,
SmallVectorImpl< CCValAssign > &  locs,
LLVMContext C 
)
inline

Definition at line 41 of file SystemZCallingConv.h.

Member Function Documentation

◆ AnalyzeCallOperands() [1/2]

void llvm::SystemZCCState::AnalyzeCallOperands ( const SmallVectorImpl< ISD::OutputArg > &  Outs,
CCAssignFn  Fn 
)
inline

◆ AnalyzeCallOperands() [2/2]

void llvm::SystemZCCState::AnalyzeCallOperands ( const SmallVectorImpl< MVT > &  Outs,
SmallVectorImpl< ISD::ArgFlagsTy > &  Flags,
CCAssignFn  Fn 
)
delete

◆ AnalyzeFormalArguments()

void llvm::SystemZCCState::AnalyzeFormalArguments ( const SmallVectorImpl< ISD::InputArg > &  Ins,
CCAssignFn  Fn 
)
inline

◆ IsFixed()

bool llvm::SystemZCCState::IsFixed ( unsigned  ValNo)
inline

Definition at line 79 of file SystemZCallingConv.h.

◆ IsShortVector()

bool llvm::SystemZCCState::IsShortVector ( unsigned  ValNo)
inline

Definition at line 80 of file SystemZCallingConv.h.


The documentation for this class was generated from the following file: