[Sparc] Add support for leaf functions in sparc backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182822 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcMachineFunctionInfo.h b/lib/Target/Sparc/SparcMachineFunctionInfo.h
index 90c27a4..3783c16 100644
--- a/lib/Target/Sparc/SparcMachineFunctionInfo.h
+++ b/lib/Target/Sparc/SparcMachineFunctionInfo.h
@@ -28,11 +28,16 @@
/// SRetReturnReg - Holds the virtual register into which the sret
/// argument is passed.
unsigned SRetReturnReg;
+
+ /// IsLeafProc - True if the function is a leaf procedure.
+ bool IsLeafProc;
public:
SparcMachineFunctionInfo()
- : GlobalBaseReg(0), VarArgsFrameOffset(0), SRetReturnReg(0) {}
+ : GlobalBaseReg(0), VarArgsFrameOffset(0), SRetReturnReg(0),
+ IsLeafProc(false) {}
explicit SparcMachineFunctionInfo(MachineFunction &MF)
- : GlobalBaseReg(0), VarArgsFrameOffset(0), SRetReturnReg(0) {}
+ : GlobalBaseReg(0), VarArgsFrameOffset(0), SRetReturnReg(0),
+ IsLeafProc(false) {}
unsigned getGlobalBaseReg() const { return GlobalBaseReg; }
void setGlobalBaseReg(unsigned Reg) { GlobalBaseReg = Reg; }
@@ -42,6 +47,9 @@
unsigned getSRetReturnReg() const { return SRetReturnReg; }
void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
+
+ void setLeafProc(bool rhs) { IsLeafProc = rhs; }
+ bool isLeafProc() const { return IsLeafProc; }
};
}