microinstruction: Implement HasAssociatedPseudoOperation

src/frontend/ir/microinstruction.cpp

@@ -251,6 +251,10 @@ void Inst::DecrementRemainingUses() {
     use_count--;
 }
 
+bool Inst::HasAssociatedPseudoOperation() const {
+    return carry_inst || overflow_inst || ge_inst;
+}
+
 Inst* Inst::GetAssociatedPseudoOperation(Opcode opcode) {
     // This is faster than doing a search through the block.
     switch (opcode) {

src/frontend/ir/microinstruction.h

@@ -83,6 +83,8 @@ public:
     bool HasUses() const { return use_count > 0; }
     void DecrementRemainingUses();
 
+    /// Determines if there is a pseudo-operation associated with this instruction.
+    bool HasAssociatedPseudoOperation() const;
     /// Gets a pseudo-operation associated with this instruction.
     Inst* GetAssociatedPseudoOperation(Opcode opcode);