[llvm] [LLVM][TableGen] Code cleanup in FastISelEmitter.cpp (PR #139644)

[Rahul Joshi via llvm-commits]

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@@ -71,10 +71,7 @@ class ImmPredicateSet {
     return Entry - 1;
   }
 
-  const TreePredicateFn &getPredicate(unsigned i) {
-    assert(i < PredsByName.size());
-    return PredsByName[i];
-  }
+  const TreePredicateFn &getPredicate(unsigned Idx) { return PredsByName[Idx]; }
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jurahul wrote:

Because `PredsByName` is a vector and it's [] operator does this same check in assert enabled builds. 

https://github.com/llvm/llvm-project/pull/139644