[llvm] [Xtensa] Implement support for the BranchRelaxation. (PR #113450)

[Matt Arsenault via llvm-commits]

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@@ -258,13 +258,32 @@ void XtensaFrameLowering::determineCalleeSaves(MachineFunction &MF,
 
 static unsigned estimateFunctionSizeInBytes(const MachineFunction &MF,
                                             const XtensaInstrInfo &TII) {
-  unsigned FnSize = 0;
+  const Align FunctiontAlignment = MF.getAlignment();
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arsenm wrote:

Typo Functiont? 

https://github.com/llvm/llvm-project/pull/113450