[llvm] feat: add GlobalISel combine (PR #181486)

[Luisa Cicolini via llvm-commits]

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@@ -238,7 +238,7 @@ bool GIMatchTableExecutor::executeMatchTable(
 
       assert(State.MIs[InsnID] != nullptr && "Used insn before defined");
       const int64_t Opcode = State.MIs[InsnID]->getOpcode();
-
+      
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luisacicolini wrote:

```suggestion

```

https://github.com/llvm/llvm-project/pull/181486