[llvm] [DAG] Avoid strictfp nodes in lowering of llvm.fcanonicalize (PR #177399)

[Serge Pavlov via llvm-commits]

================
@@ -540,6 +540,11 @@ enum NodeType {
   /// Returns platform specific canonical encoding of a floating point number.
   FCANONICALIZE,
 
+  /// Returns platform specific canonical encoding of a floating point number
+  /// using multiplying it by 1.0. The fist operand is the floating-point
+  /// number, the second is constant 1.0.
+  FCANONICALIZE_MUL,
----------------
spavloff wrote:

It appeared as a more straightforward solution, but you are right, the fix can be made without the new node.

https://github.com/llvm/llvm-project/pull/177399