[llvm] [Analysis] Optimise mul(const, (udiv %n, const)) during SCEV expansion (PR #212769)

[Paul Walker via llvm-commits]

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@@ -599,6 +599,24 @@ Value *SCEVExpander::visitAddExpr(SCEVUseT<const SCEVAddExpr *> S) {
 Value *SCEVExpander::visitMulExpr(SCEVUseT<const SCEVMulExpr *> S) {
   Type *Ty = S->getType();
 
+  // Specializations for 2-operand cases.
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paulwalker-arm wrote:

I don't think you need this comment anymore?

https://github.com/llvm/llvm-project/pull/212769