[llvm] [Mips] When emit instruction, ignore JUMP_TABLE_DEBUG_INFO (PR #139830)

[Sergei Barannikov via llvm-commits]

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@@ -694,8 +694,10 @@ bool MipsDelaySlotFiller::searchRange(MachineBasicBlock &MBB, IterTy Begin,
     IterTy CurrI = I;
     ++I;
     LLVM_DEBUG(dbgs() << DEBUG_TYPE ": checking instruction: "; CurrI->dump());
-    // skip debug value
-    if (CurrI->isDebugInstr()) {
+    // Skip debug value.
+    // Instruction TargetOpcode::JUMP_TABLE_DEBUG_INFO is only used to note
+    // jump table debug info, we did not need to emit it.
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s-barannikov wrote:

The last part of the comment is misleading, otherwise LGTM.


https://github.com/llvm/llvm-project/pull/139830