//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Owen Anderson and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#define LLVM_CODEGEN_MACHINE_LOOP_INFO_H
#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/Analysis/LoopInfo.h"
namespace llvm {
// Provide overrides for Loop methods that don't make sense for machine loops.
-template<>
+template<> inline
PHINode *LoopBase<MachineBasicBlock>::getCanonicalInductionVariable() const {
assert(0 && "getCanonicalInductionVariable not supported for machine loops!");
return 0;
}
-template<>
-Instruction*
+template<> inline Instruction*
LoopBase<MachineBasicBlock>::getCanonicalInductionVariableIncrement() const {
assert(0 &&
"getCanonicalInductionVariableIncrement not supported for machine loops!");
}
template<>
-bool LoopBase<MachineBasicBlock>::isLoopInvariant(Value *V) const {
+inline bool LoopBase<MachineBasicBlock>::isLoopInvariant(Value *V) const {
assert(0 && "isLoopInvariant not supported for machine loops!");
return false;
}
template<>
-Value *LoopBase<MachineBasicBlock>::getTripCount() const {
+inline Value *LoopBase<MachineBasicBlock>::getTripCount() const {
assert(0 && "getTripCount not supported for machine loops!");
return 0;
}
template<>
-bool LoopBase<MachineBasicBlock>::isLCSSAForm() const {
+inline bool LoopBase<MachineBasicBlock>::isLCSSAForm() const {
assert(0 && "isLCSSAForm not supported for machine loops");
return false;
}
-EXTERN_TEMPLATE_INSTANTIATION(class LoopBase<MachineBasicBlock>);
-EXTERN_TEMPLATE_INSTANTIATION(class LoopInfoBase<MachineBasicBlock>);
-
typedef LoopBase<MachineBasicBlock> MachineLoop;
class MachineLoopInfo : public MachineFunctionPass {
typedef std::vector<MachineLoop*>::const_iterator iterator;
inline iterator begin() const { return LI->begin(); }
inline iterator end() const { return LI->end(); }
+ bool empty() const { return LI->empty(); }
/// getLoopFor - Return the inner most loop that BB lives in. If a basic
/// block is in no loop (for example the entry node), null is returned.
/// runOnFunction - Calculate the natural loop information.
///
virtual bool runOnMachineFunction(MachineFunction &F);
-
- bool runOnFunction(Function& F) { return false; }
virtual void releaseMemory() { LI->releaseMemory(); }
- virtual void print(std::ostream &O, const Module* M = 0) const {
- if (O) LI->print(O, M);
- }
-
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
/// removeLoop - This removes the specified top-level loop from this loop info
} // End llvm namespace
-// Make sure that any clients of this file link in LoopInfo.cpp
-FORCE_DEFINING_FILE_TO_BE_LINKED(MachineLoopInfo)
-
-#endif
\ No newline at end of file
+#endif