[llvm] [SelectionDAG] Not issue TRAP node if naked function (PR #132147)

[Eli Friedman via llvm-commits]

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@@ -4497,6 +4497,9 @@ class UnreachableInst : public Instruction {
     return isa<Instruction>(V) && classof(cast<Instruction>(V));
   }
 
+  // Whether to do target lowering in SelectionDAG.
+  bool allowISelLowering(bool TrapUnreachable, bool NoTrapAfterNoreturn) const;
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efriedma-quic wrote:

This is a really confusing name... why not `shouldLowerToTrap()`, or something like that?

Otherwise LGTM

https://github.com/llvm/llvm-project/pull/132147