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Define functions that get or set the size of area on callee's stack frame which 

is used to save va_arg or byval arguments passed in registers.

llvm-svn: 143992
This commit is contained in:
Akira Hatanaka 2011-11-07 19:06:10 +00:00
parent d9c2e46cfb
commit 7bcecd486f
1 changed files with 10 additions and 1 deletions
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11
llvm/lib/Target/Mips/MipsMachineFunction.h
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@ -51,12 +51,16 @@ private:
mutable int DynAllocFI; // Frame index of dynamically allocated stack area.
unsigned MaxCallFrameSize;
// Size of area on callee's stack frame which is used to save va_arg or
// byval arguments passed in registers.
unsigned RegSaveAreaSize;
public:
MipsFunctionInfo(MachineFunction& MF)
: MF(MF), SRetReturnReg(0), GlobalBaseReg(0),
VarArgsFrameIndex(0), InArgFIRange(std::make_pair(-1, 0)),
OutArgFIRange(std::make_pair(-1, 0)), GPFI(0), DynAllocFI(0),
MaxCallFrameSize(0)
MaxCallFrameSize(0), RegSaveAreaSize(0)
{}
bool isInArgFI(int FI) const {
@ -100,6 +104,11 @@ public:
unsigned getMaxCallFrameSize() const { return MaxCallFrameSize; }
void setMaxCallFrameSize(unsigned S) { MaxCallFrameSize = S; }
unsigned getRegSaveAreaSize() const { return RegSaveAreaSize; }
void setRegSaveAreaSize(unsigned S) {
if (RegSaveAreaSize < S) RegSaveAreaSize = S;
}
};
} // end of namespace llvm