[llvm] [CodeGenPrepare][RISCV] Combine (X ^ Y) and (X == Y) where appropriate (PR #130922)

[Min-Yih Hsu via llvm-commits]

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@@ -17194,12 +17194,56 @@ static bool combine_CC(SDValue &LHS, SDValue &RHS, SDValue &CC, const SDLoc &DL,
     return true;
   }
 
+  // If XOR is reused and has an immediate that will fit in XORI,
+  // do not fold.
+  auto IsXorImmediate = [](const SDValue &Op) -> bool {
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mshockwave wrote:

lambda functions should following the normal function naming convention, which starts with lower case. ditto for other occurrences here.

https://github.com/llvm/llvm-project/pull/130922