[llvm] [VPlan] Also expand integer SCEVAddExpr in expandSCEVExpr. (PR #200925)

[Ramkumar Ramachandra via llvm-commits]

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@@ -938,21 +940,25 @@ VPValue *VPSCEVExpander::tryToExpand(const SCEV *S) {
     return Builder.getPlan().getOrAddLiveIn(cast<SCEVUnknown>(S)->getValue());
   case scVScale:
     return Builder.createNaryOp(VPInstruction::VScale, {}, S->getType());
+  case scAddExpr:
   case scMulExpr: {
-    auto *Mul = cast<SCEVMulExpr>(S);
+    if (S->getType()->isPointerTy())
+      return nullptr;
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artagnon wrote:

Hm, is this possible with SCEVAdds and SCEVMuls?

https://github.com/llvm/llvm-project/pull/200925