[llvm-branch-commits] [llvm] InstCombine: Handle fdiv in SimplifyDemandedFPClass (PR #175946)

[Joshua Cranmer via llvm-branch-commits]

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@@ -237,6 +237,21 @@ struct KnownFPClass {
     return Known;
   }
 
+  /// Report known values for fdiv
+  LLVM_ABI static KnownFPClass
+  fdiv(const KnownFPClass &LHS, const KnownFPClass &RHS,
+       DenormalMode Mode = DenormalMode::getDynamic());
+
+  /// Report known values for fdiv
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jcranmer-intel wrote:

Helpful to say that this means `fdiv x, x` specifically.

https://github.com/llvm/llvm-project/pull/175946