[llvm] [SimplifyIndVar] Push more users to worklist for simplifyUsers (PR #93598)

[Nikita Popov via llvm-commits]

================
@@ -52,12 +52,11 @@ class IVVisitor {
 /// where the first entry indicates that the function makes changes and the
 /// second entry indicates that it introduced new opportunities for loop
 /// unswitching.
-std::pair<bool, bool> simplifyUsersOfIV(PHINode *CurrIV, ScalarEvolution *SE,
-                                        DominatorTree *DT, LoopInfo *LI,
-                                        const TargetTransformInfo *TTI,
-                                        SmallVectorImpl<WeakTrackingVH> &Dead,
-                                        SCEVExpander &Rewriter,
-                                        IVVisitor *V = nullptr);
+std::pair<bool, bool>
+simplifyUsersOfIV(PHINode *CurrIV, ScalarEvolution *SE, DominatorTree *DT,
+                  LoopInfo *LI, const TargetTransformInfo *TTI,
+                  SmallVectorImpl<WeakTrackingVH> &Dead, SCEVExpander &Rewriter,
+                  unsigned MaxDepthOutOfLoop = 1, IVVisitor *V = nullptr);
----------------
nikic wrote:

Do we need the MaxDepthOutOfLoop parameter? Can you move the cl::opt into SimplifyIndVar and directly use it instead?

https://github.com/llvm/llvm-project/pull/93598