+ /// Arguments of this directive. Order matters.
+ SmallVector<const MachineInstr *, 3> Args;
+
+ public:
+ typedef SmallVectorImpl<const MachineInstr *> LOHArgs;
+
+ MILOHDirective(MCLOHType Kind, const LOHArgs &Args)
+ : Kind(Kind), Args(Args.begin(), Args.end()) {
+ assert(isValidMCLOHType(Kind) && "Invalid LOH directive type!");
+ }
+
+ MCLOHType getKind() const { return Kind; }
+ const LOHArgs &getArgs() const { return Args; }
+ };
+
+ typedef MILOHDirective::LOHArgs MILOHArgs;
+ typedef SmallVector<MILOHDirective, 32> MILOHContainer;
+
+ const MILOHContainer &getLOHContainer() const { return LOHContainerSet; }
+
+ /// Add a LOH directive of this @p Kind and this @p Args.
+ void addLOHDirective(MCLOHType Kind, const MILOHArgs &Args) {
+ LOHContainerSet.push_back(MILOHDirective(Kind, Args));
+ LOHRelated.insert(Args.begin(), Args.end());
+ }
+
+private:
+ // Hold the lists of LOHs.
+ MILOHContainer LOHContainerSet;
+ SetOfInstructions LOHRelated;
+};