[clang] [llvm] [LoongArch] Add options for annotate tablejump (PR #102411)

[via cfe-commits]

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@@ -167,6 +169,39 @@ bool LoongArchPreRAExpandPseudo::expandMI(
   case LoongArch::PseudoTAIL_MEDIUM:
   case LoongArch::PseudoTAIL_LARGE:
     return expandFunctionCALL(MBB, MBBI, NextMBBI, /*IsTailCall=*/true);
+  case LoongArch::PseudoBRIND: {
+    // If the PseudoBRIND is used to table jump, then emit a label to annotate
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heiher wrote:

Move these statements into a new method function?

https://github.com/llvm/llvm-project/pull/102411