[llvm] [SelectionDAG] Use Magic Algorithm for Splitting UDIV/UREM by Constant (PR #154968)

[Matt Arsenault via llvm-commits]

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@@ -8164,6 +8137,159 @@ bool TargetLowering::expandDIVREMByConstant(SDNode *N,
   return true;
 }
 
+static bool
+expandUDIVREMByConstantViaUMulHiMagic(SDNode *N, const APInt &Divisor,
+                                      SmallVectorImpl<SDValue> &Result,
+                                      EVT HiLoVT, SelectionDAG &DAG, SDValue LL,
+                                      SDValue LH, const TargetLowering &TLI) {
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arsenm wrote:

Move TLI to first argument (or better yet, just make this a TargetLowering member) 

https://github.com/llvm/llvm-project/pull/154968