[llvm] [RegAllocFast] Ensure live-in vregs get reloaded after INLINEASM_BR spills (PR #131350)

[Quentin Colombet via llvm-commits]

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@@ -391,6 +391,8 @@ class RegAllocFastImpl {
   bool mayLiveOut(Register VirtReg);
   bool mayLiveIn(Register VirtReg);
 
+  bool isInlineAsmBrSpill(const MachineInstr &MI) const;
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qcolombet wrote:

Two things:
1. It needs a comment because at first "I was what is a inlineasm branch spill"
2. This is a misnomer because unless I'm mistaken the instruction may not be spilling a value coming from an inlineasm branch. I would go with `mayBeSpillFromInlineAsmBr`

https://github.com/llvm/llvm-project/pull/131350