WIP Handle atomic fp ops when truncating

enzyme/Enzyme/EnzymeLogic.cpp

diff --git a/enzyme/Enzyme/EnzymeLogic.cpp b/enzyme/Enzyme/EnzymeLogic.cpp
index f8fdf3b..4688a94 100644
--- a/enzyme/Enzyme/EnzymeLogic.cpp
+++ b/enzyme/Enzyme/EnzymeLogic.cpp
@@ -5467,6 +5467,8 @@
   void visitFPToSIInst(FPToSIInst &I) { return; }
   void visitUIToFPInst(UIToFPInst &I) { return; }
   void visitSIToFPInst(SIToFPInst &I) { return; }
+  void visitAtomicCmpXchgInst(AtomicCmpXchgInst &I) { todo(I); }
+  void visitAtomicRMWInst(AtomicRMWInst &I) { todo(I); }
 };
 
 bool EnzymeLogic::CreateTruncateValue(RequestContext context, Value *v,