[llvm] [Analysis] Cache generation of SCEV expander overflow checks (PR #213013)

[David Sherwood via llvm-commits]

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@@ -78,6 +78,11 @@ class SCEVExpander : public SCEVUseVisitor<SCEVExpander, Value *> {
   DenseMap<std::pair<SCEVUse, Instruction *>, TrackingVH<Value>>
       InsertedExpressions;
 
+  // InsertedOverflowChecks caches Values for reuse, so must track RAUW.
+  DenseMap<std::tuple<Value *, Value *, Instruction *>,
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david-arm wrote:

Done! See https://github.com/llvm/llvm-project/pull/225800

https://github.com/llvm/llvm-project/pull/213013