[mips] Lower EH_RETURN.
Patch by Sasa Stankovic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173862 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsMachineFunction.h b/lib/Target/Mips/MipsMachineFunction.h
index eb6e1cf..b05b348 100644
--- a/lib/Target/Mips/MipsMachineFunction.h
+++ b/lib/Target/Mips/MipsMachineFunction.h
@@ -53,10 +53,16 @@
/// Size of incoming argument area.
unsigned IncomingArgSize;
+ /// CallsEhReturn - Whether the function calls llvm.eh.return.
+ bool CallsEhReturn;
+
+ /// Frame objects for spilling eh data registers.
+ int EhDataRegFI[4];
+
public:
MipsFunctionInfo(MachineFunction& MF)
: MF(MF), SRetReturnReg(0), GlobalBaseReg(0), Mips16SPAliasReg(0),
- VarArgsFrameIndex(0)
+ VarArgsFrameIndex(0), CallsEhReturn(false)
{}
unsigned getSRetReturnReg() const { return SRetReturnReg; }
@@ -78,6 +84,14 @@
}
unsigned getIncomingArgSize() const { return IncomingArgSize; }
+
+ bool callsEhReturn() const { return CallsEhReturn; }
+ void setCallsEhReturn() { CallsEhReturn = true; }
+
+ void createEhDataRegsFI();
+ int getEhDataRegFI(unsigned Reg) const { return EhDataRegFI[Reg]; }
+ bool isEhDataRegFI(int FI) const;
+
};
} // end of namespace llvm