[llvm] [SCEV] Return a SCEVUse from getAddExpr and propagate use flags. (PR #220007)

[Florian Hahn via llvm-commits]

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@@ -750,20 +750,23 @@ class ScalarEvolution {
   LLVM_ABI const SCEV *getCastExpr(SCEVTypes Kind, SCEVUse Op, Type *Ty);
   LLVM_ABI const SCEV *getAnyExtendExpr(SCEVUse Op, Type *Ty);
 
-  LLVM_ABI const SCEV *getAddExpr(SmallVectorImpl<SCEVUse> &Ops,
-                                  SCEV::NoWrapFlags Flags = SCEV::FlagAnyWrap,
-                                  unsigned Depth = 0);
-  const SCEV *getAddExpr(SCEVUse LHS, SCEVUse RHS,
-                         SCEV::NoWrapFlags Flags = SCEV::FlagAnyWrap,
-                         unsigned Depth = 0) {
+  LLVM_ABI SCEVUse getAddExpr(SmallVectorImpl<SCEVUse> &Ops,
+                              SCEV::NoWrapFlags Flags = SCEV::FlagAnyWrap,
+                              unsigned Depth = 0,
+                              SCEV::NoWrapFlags UseFlags = SCEV::FlagAnyWrap);
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fhahn wrote:

I added a struct, and it looks like it did not require tons of additional changes, thanks.

https://github.com/llvm/llvm-project/pull/220007