[llvm] [X86] Don't always seperate conditions in `(br (and/or cond0, cond1))` into seperate branches (PR #81689)

[Simon Pilgrim via llvm-commits]

================
@@ -2432,6 +2434,141 @@ SelectionDAGBuilder::EmitBranchForMergedCondition(const Value *Cond,
   SL->SwitchCases.push_back(CB);
 }
 
+// Collect dependings on V recursively. This is used for the cost analysis in
----------------
RKSimon wrote:

dependings -> dependencies?

https://github.com/llvm/llvm-project/pull/81689