[llvm] [ValueTracking][NFC]: Use injected condition to compute known FPClass (PR #139832)

[Nikita Popov via llvm-commits]

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@@ -62,6 +62,8 @@ struct InstrInfoQuery {
 struct CondContext {
   Value *Cond;
   bool Invert = false;
+  // Condition is true if CxtI is in the true successor of Cond.
+  bool CondIsTrue = false;
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nikic wrote:

This is what Invert is for.

https://github.com/llvm/llvm-project/pull/139832