[llvm] [KnownFPClass] Refactor sNaN handling for KnownFPClass (PR #216086)

[via llvm-commits]

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@@ -796,7 +799,7 @@ KnownFPClass KnownFPClass::ldexp(const KnownFPClass &KnownSrc,
                                  const APInt &ConstantRangeExpMax,
                                  const fltSemantics &Flt, DenormalMode Mode) {
   KnownFPClass Known;
-  Known.propagateNaN(KnownSrc, /*PropagateSign=*/true);
+  Known.propagateNonNaN(KnownSrc, /*PreserveSign=*/true);
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ZERICO2005 wrote:

Opened https://github.com/llvm/llvm-project/issues/217127 to track this issue.

https://github.com/llvm/llvm-project/pull/216086