[RISCV][GISel] Add support for G_IS_FPCLASS in F and D extensions (#72000)
Add legalizer, regbankselect, and isel supports for floating point
version of G_IS_FPCLASS.
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 47d676e..11d0142 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -2483,6 +2483,7 @@
case TargetOpcode::G_FPTOSI:
case TargetOpcode::G_FPTOUI:
+ case TargetOpcode::G_IS_FPCLASS:
Observer.changingInstr(MI);
if (TypeIdx == 0)
