[llvm] [InlineCost] Allow simplifying to non-Constant values (PR #145083)

[Nikita Popov via llvm-commits]

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@@ -525,11 +526,33 @@ class CallAnalyzer : public InstVisitor<CallAnalyzer, bool> {
 
   InlineResult analyze();
 
-  std::optional<Constant *> getSimplifiedValue(Instruction *I) {
-    auto It = SimplifiedValues.find(I);
-    if (It != SimplifiedValues.end())
-      return It->second;
-    return std::nullopt;
+  // Lookup simplified Value. May return a value owned by the caller.
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nikic wrote:

```suggestion
  /// Lookup simplified Value. May return a value owned by the caller.
```

https://github.com/llvm/llvm-project/pull/145083