[llvm-branch-commits] [llvm] [LLVM][CodeGen] Improve CTSELECT fallback lowering and target support modeling (PR #179395)

[Matt Arsenault via llvm-branch-commits]

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@@ -436,8 +436,6 @@ struct SDNodeFlags {
     FastMathFlags = NoNaNs | NoInfs | NoSignedZeros | AllowReciprocal |
                     AllowContract | ApproximateFuncs | AllowReassociation,
 
-    // Flag for disabling optimization
-    NoMerge = 1 << 15,
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arsenm wrote:

Why was this removed 

https://github.com/llvm/llvm-project/pull/179395