[llvm] [llvm-mca] Add command line option `-use-load-latency` (PR #94566)

[Min-Yih Hsu via llvm-commits]

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@@ -66,7 +66,8 @@ Error MCATestBase::runBaselineMCA(json::Object &Result, ArrayRef<MCInst> Insts,
 
   // Default InstrumentManager
   auto IM = std::make_unique<mca::InstrumentManager>(*STI, *MCII);
-  mca::InstrBuilder IB(*STI, *MCII, *MRI, MCIA.get(), *IM, /*CallLatency=*/100);
+  mca::InstrBuilder IB(*STI, *MCII, *MRI, MCIA.get(), *IM, /*CallLatency=*/100,
+                       /*UseLoadLatency*/ false);
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mshockwave wrote:

Per https://www.llvm.org/docs/CodingStandards.html#comment-formatting : 
```suggestion
                       /*UseLoadLatency=*/false);
```

https://github.com/llvm/llvm-project/pull/94566