-// Provide overrides for Loop methods that don't make sense for machine loops.
-template<> inline
-PHINode *LoopBase<MachineBasicBlock>::getCanonicalInductionVariable() const {
- assert(0 && "getCanonicalInductionVariable not supported for machine loops!");
- return 0;
-}
-
-template<> inline Instruction*
-LoopBase<MachineBasicBlock>::getCanonicalInductionVariableIncrement() const {
- assert(0 &&
- "getCanonicalInductionVariableIncrement not supported for machine loops!");
- return 0;
-}
-
-template<>
-inline bool LoopBase<MachineBasicBlock>::isLoopInvariant(Value *V) const {
- assert(0 && "isLoopInvariant not supported for machine loops!");
- return false;
-}
-
-template<>
-inline Value *LoopBase<MachineBasicBlock>::getTripCount() const {
- assert(0 && "getTripCount not supported for machine loops!");
- return 0;
-}
-
-template<>
-inline bool LoopBase<MachineBasicBlock>::isLCSSAForm() const {
- assert(0 && "isLCSSAForm not supported for machine loops");
- return false;
-}
-
-typedef LoopBase<MachineBasicBlock> MachineLoop;
+// Implementation in LoopInfoImpl.h
+#ifdef __GNUC__
+class MachineLoop;
+__extension__ extern template class LoopBase<MachineBasicBlock, MachineLoop>;
+#endif