[llvm] [llubi] Initial support for floating-point numbers (PR #188453)

[Yingwei Zheng via llvm-commits]

================
@@ -219,6 +283,92 @@ class InstExecutor : public InstVisitor<InstExecutor, void> {
     });
   }
 
+  void visitFPBinOp(
+      Instruction &I,
+      function_ref<AnyValue(const APFloat &, const APFloat &)> ScalarFn) {
----------------
dtcxzyw wrote:

```suggestion
      function_ref<APFloat(const APFloat &, const APFloat &)> ScalarFn) {
```
Only FMFs create poison values.

https://github.com/llvm/llvm-project/pull/188453