+ /// RemoveJumpTable - Mark the specific index as being dead. This will cause
+ /// it to not be emitted.
+ void RemoveJumpTable(unsigned Idx) {
+ JumpTables[Idx].MBBs.clear();
+ }
+
+ /// ReplaceMBBInJumpTables - If Old is the target of any jump tables, update
+ /// the jump tables to branch to New instead.
+ bool ReplaceMBBInJumpTables(MachineBasicBlock *Old, MachineBasicBlock *New) {
+ assert(Old != New && "Not making a change?");
+ bool MadeChange = false;
+ for (size_t i = 0, e = JumpTables.size(); i != e; ++i) {
+ MachineJumpTableEntry &JTE = JumpTables[i];
+ for (size_t j = 0, e = JTE.MBBs.size(); j != e; ++j)
+ if (JTE.MBBs[j] == Old) {
+ JTE.MBBs[j] = New;
+ MadeChange = true;
+ }
+ }
+ return MadeChange;
+ }
+
+ /// getEntrySize - Returns the size of an individual field in a jump table.
+ ///
+ unsigned getEntrySize() const { return EntrySize; }
+
+ /// getAlignment - returns the target's preferred alignment for jump tables
+ unsigned getAlignment() const { return Alignment; }