[llvm] [SDPatternMatch] Make m_SetCC work like m_ICmp from IR PatternMatch. (PR #226623)

[Simon Pilgrim via llvm-commits]

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@@ -48902,10 +48902,9 @@ static SDValue commuteSelect(SDNode *N, SelectionDAG &DAG, const SDLoc &DL,
 
   ISD::CondCode CC;
   SDValue Cond, X, Y, LHS, RHS;
-  if (!sd_match(
-          N, m_VSelect(m_AllOf(m_Value(Cond),
-                               m_SetCC(m_Value(X), m_Value(Y), m_CondCode(CC))),
-                       m_Value(LHS), m_Value(RHS))))
+  if (!sd_match(N, m_VSelect(m_AllOf(m_Value(Cond),
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RKSimon wrote:

drop the m_AllOf and use m_Value(Cond, m_SetCC()) directly?

https://github.com/llvm/llvm-project/pull/226623