[llvm] Spill/restore FP/BP around instructions in which they are clobbered (PR #81048)

[via llvm-commits]

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@@ -122,6 +131,7 @@ class PEI : public MachineFunctionPass {
   void calculateCallFrameInfo(MachineFunction &MF);
   void calculateSaveRestoreBlocks(MachineFunction &MF);
   void spillCalleeSavedRegs(MachineFunction &MF);
+  void spillFrameBasePointer(MachineFunction &MF);
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zmodem wrote:

In TargetFrameLowering.h you use "FPBP" in the function names, here it's "FrameBase". Let's pick one convention for consistency.

I think "FPBP" makes it more clear that it concerns two registers, and not the "frame base pointer".

https://github.com/llvm/llvm-project/pull/81048