[llvm] [SelectionDAG][X86] Fold `sub(x, mul(divrem(x,y)[0], y))` to `divrem(x, y)[1]` (PR #136565)

[Simon Pilgrim via llvm-commits]

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@@ -4094,6 +4150,9 @@ SDValue DAGCombiner::visitSUB(SDNode *N) {
   if (SDValue V = foldSubToUSubSat(VT, N, DL))
     return V;
 
+  if (SDValue V = foldRemainderIdiom(N, DAG))
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RKSimon wrote:

(trivial) Pass DL as an arg instead of recreating it inside foldRemainderIdiom

https://github.com/llvm/llvm-project/pull/136565