Clean up handling of ARM IR instruction "mov".

src/IceInstARM32.h

Index: src/IceInstARM32.h
diff --git a/src/IceInstARM32.h b/src/IceInstARM32.h
index 6a9aa35a0adacb682b1ef3f386e4d3b74eac4339..1edd94adcdfd2ff7a1ae62317e5cd78424d70462 100644
--- a/src/IceInstARM32.h
+++ b/src/IceInstARM32.h
@@ -1334,12 +1334,10 @@ public:
 private:
   InstARM32Mov(Cfg *Func, Variable *Dest, Operand *Src,
                CondARM32::Cond Predicate);
-
-  void emitMultiDestSingleSource(const Cfg *Func) const;
-  void emitSingleDestMultiSource(const Cfg *Func) const;
-  void emitSingleDestSingleSource(const Cfg *Func) const;
-
-  void emitIASSingleDestSingleSource(const Cfg *Func) const;
+  void emitUsingForm(const Cfg *Func, const EmitForm Form) const;
+  void emitMultiDestSingleSource(const Cfg *Func, const EmitForm Form) const;
+  void emitSingleDestMultiSource(const Cfg *Func, const EmitForm Form) const;
+  void emitSingleDestSingleSource(const Cfg *Func, const EmitForm Form) const;
 
   Variable *DestHi = nullptr;
 };