[llvm] [MCA] New option to report scheduling information: -scheduling-info (PR #126703)

[Cullen Rhodes via llvm-commits]

================
@@ -174,3 +174,40 @@ MCSchedModel::getForwardingDelayCycles(ArrayRef<MCReadAdvanceEntry> Entries,
 
   return std::abs(DelayCycles);
 }
+
+unsigned
+MCSchedModel::getForwardingDelayCycles(const MCSubtargetInfo &STI,
+                                       const MCSchedClassDesc &SCDesc) {
+
+  ArrayRef<MCReadAdvanceEntry> Entries = STI.getReadAdvanceEntries(SCDesc);
+  if (Entries.empty())
+    return 0;
+
+  unsigned Latency = 0;
+  unsigned maxLatency = 0;
----------------
c-rhodes wrote:

```suggestion
  unsigned MaxLatency = 0;
```

https://github.com/llvm/llvm-project/pull/126703