[llvm] [SPARC] Prevent meta instructions from being inserted into delay slots (PR #161111)

[via llvm-commits]

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@@ -206,8 +206,8 @@ Filler::findDelayInstr(MachineBasicBlock &MBB,
     if (!done)
       --I;
 
-    // skip debug instruction
-    if (I->isDebugInstr())
+    // Skip debug and generic instructions.
+    if (I->isDebugInstr() || (I->getOpcode() <= TargetOpcode::GENERIC_OP_END))
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koachan wrote:

This works, but I have a question:
Are debug instructions considered meta too? If so then I'll remove the redundant debug check too.

https://github.com/llvm/llvm-project/pull/161111