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

[Matt Arsenault via llvm-commits]

================
@@ -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))
----------------
arsenm wrote:

Generic is probably the wrong thing. isMetaInstruction?

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