[llvm] [SCEV] Expose getGEPExpr without needing to pass GEPOperator* (NFC) (PR #164487)

[Florian Hahn via llvm-commits]

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@@ -640,6 +640,9 @@ class ScalarEvolution {
   /// \p IndexExprs The expressions for the indices.
   LLVM_ABI const SCEV *
   getGEPExpr(GEPOperator *GEP, const SmallVectorImpl<const SCEV *> &IndexExprs);
+  LLVM_ABI const SCEV *getGEPExpr(
+      const SCEV *BaseExpr, const SmallVectorImpl<const SCEV *> &IndexExprs,
+      Type *SrcElementTy, SCEV::NoWrapFlags OffsetWrap = SCEV::FlagAnyWrap);
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fhahn wrote:

Updated, although currently I think the behavior currently stays the same, as OffsetWrap would be set to match the GEPNoWrapFlags (although with NSW instead of hasNoUnsignedSignedWrap)?

https://github.com/llvm/llvm-project/pull/164487