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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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143992 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -51,12 +51,16 @@ private:
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mutable int DynAllocFI; // Frame index of dynamically allocated stack area.
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unsigned MaxCallFrameSize;
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// Size of area on callee's stack frame which is used to save va_arg or
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// byval arguments passed in registers.
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unsigned RegSaveAreaSize;
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public:
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MipsFunctionInfo(MachineFunction& MF)
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: MF(MF), SRetReturnReg(0), GlobalBaseReg(0),
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VarArgsFrameIndex(0), InArgFIRange(std::make_pair(-1, 0)),
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OutArgFIRange(std::make_pair(-1, 0)), GPFI(0), DynAllocFI(0),
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MaxCallFrameSize(0)
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MaxCallFrameSize(0), RegSaveAreaSize(0)
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{}
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bool isInArgFI(int FI) const {
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@ -100,6 +104,11 @@ public:
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unsigned getMaxCallFrameSize() const { return MaxCallFrameSize; }
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void setMaxCallFrameSize(unsigned S) { MaxCallFrameSize = S; }
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unsigned getRegSaveAreaSize() const { return RegSaveAreaSize; }
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void setRegSaveAreaSize(unsigned S) {
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if (RegSaveAreaSize < S) RegSaveAreaSize = S;
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}
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};
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} // end of namespace llvm
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