Turbofan: Rename IsFloat -> IsFP

src/compiler/instruction.h

Index: src/compiler/instruction.h
diff --git a/src/compiler/instruction.h b/src/compiler/instruction.h
index 92cb84268350bbcb985659838e3f0124ec7f67f2..15adaaac7c65e1d44b0b48ea4d829a677c566175 100644
--- a/src/compiler/instruction.h
+++ b/src/compiler/instruction.h
@@ -1323,9 +1323,17 @@ class InstructionSequence final : public ZoneObject {
     return GetRepresentation(virtual_register) ==
            MachineRepresentation::kTagged;
   }
-  bool IsFloat(int virtual_register) const {
+  bool IsFP(int virtual_register) const {
     return IsFloatingPoint(GetRepresentation(virtual_register));
   }
+  bool IsFloat(int virtual_register) const {
+    return GetRepresentation(virtual_register) ==
+           MachineRepresentation::kFloat32;
+  }
+  bool IsDouble(int virtual_register) const {
+    return GetRepresentation(virtual_register) ==
+           MachineRepresentation::kFloat64;
+  }
 
   Instruction* GetBlockStart(RpoNumber rpo) const;