/// MachineLoopInfo pass - This pass is a loop analysis pass.
///
- extern const PassInfo *MachineLoopInfoID;
+ extern const PassInfo *const MachineLoopInfoID;
/// MachineDominators pass - This pass is a machine dominators analysis pass.
///
- extern const PassInfo *MachineDominatorsID;
+ extern const PassInfo *const MachineDominatorsID;
/// PHIElimination pass - This pass eliminates machine instruction PHI nodes
/// by inserting copy instructions. This destroys SSA information, but is the
/// desired input for some register allocators. This pass is "required" by
/// these register allocator like this: AU.addRequiredID(PHIEliminationID);
///
- extern const PassInfo *PHIEliminationID;
+ extern const PassInfo *const PHIEliminationID;
/// StrongPHIElimination pass - This pass eliminates machine instruction PHI
/// nodes by inserting copy instructions. This destroys SSA information, but
/// "required" by these register allocator like this:
/// AU.addRequiredID(PHIEliminationID);
/// This pass is still in development
- extern const PassInfo *StrongPHIEliminationID;
+ extern const PassInfo *const StrongPHIEliminationID;
/// SimpleRegisterCoalescing pass. Aggressively coalesces every register
/// copy it can.
///
- extern const PassInfo *SimpleRegisterCoalescingID;
+ extern const PassInfo *const SimpleRegisterCoalescingID;
/// TwoAddressInstruction pass - This pass reduces two-address instructions to
/// use two operands. This destroys SSA information but it is desired by
/// register allocators.
- extern const PassInfo *TwoAddressInstructionPassID;
+ extern const PassInfo *const TwoAddressInstructionPassID;
/// Creates a register allocator as the user specified on the command line.
///
/// template, defined below.
///
class PassInfo {
- const char *PassName; // Nice name for Pass
- const char *PassArgument; // Command Line argument to run this pass
- intptr_t PassID;
- bool IsCFGOnlyPass; // Pass only looks at the CFG.
- bool IsAnalysis; // True if an analysis pass.
- bool IsAnalysisGroup; // True if an analysis group.
+public:
+ typedef Pass* (*NormalCtor_t)();
+
+private:
+ const char *const PassName; // Nice name for Pass
+ const char *const PassArgument; // Command Line argument to run this pass
+ const intptr_t PassID;
+ const bool IsCFGOnlyPass; // Pass only looks at the CFG.
+ const bool IsAnalysis; // True if an analysis pass.
+ const bool IsAnalysisGroup; // True if an analysis group.
std::vector<const PassInfo*> ItfImpl;// Interfaces implemented by this pass
- Pass *(*NormalCtor)();
+ NormalCtor_t NormalCtor;
public:
/// PassInfo ctor - Do not call this directly, this should only be invoked
/// through RegisterPass.
PassInfo(const char *name, const char *arg, intptr_t pi,
- Pass *(*normal)() = 0, bool isCFGOnly = false, bool isAnalysis = false)
+ NormalCtor_t normal = 0,
+ bool isCFGOnly = false, bool isAnalysis = false)
: PassName(name), PassArgument(arg), PassID(pi),
IsCFGOnlyPass(isCFGOnly),
IsAnalysis(isAnalysis), IsAnalysisGroup(false), NormalCtor(normal) {
+ registerPass();
+ }
+ /// PassInfo ctor - Do not call this directly, this should only be invoked
+ /// through RegisterPass. This version is for use by analysis groups; it
+ /// does not auto-register the pass.
+ PassInfo(const char *name, intptr_t pi)
+ : PassName(name), PassArgument(""), PassID(pi),
+ IsCFGOnlyPass(false),
+ IsAnalysis(false), IsAnalysisGroup(true), NormalCtor(0) {
}
/// getPassName - Return the friendly name for the pass, never returns null
///
const char *getPassName() const { return PassName; }
- void setPassName(const char *Name) { PassName = Name; }
/// getPassArgument - Return the command line option that may be passed to
/// 'opt' that will cause this pass to be run. This will return null if there
///
bool isAnalysisGroup() const { return IsAnalysisGroup; }
bool isAnalysis() const { return IsAnalysis; }
- void SetIsAnalysisGroup() { IsAnalysisGroup = true; }
/// isCFGOnlyPass - return true if this pass only looks at the CFG for the
/// function.
/// an instance of the pass and returns it. This pointer may be null if there
/// is no default constructor for the pass.
///
- Pass *(*getNormalCtor() const)() {
+ NormalCtor_t getNormalCtor() const {
return NormalCtor;
}
- void setNormalCtor(Pass *(*Ctor)()) {
+ void setNormalCtor(NormalCtor_t Ctor) {
NormalCtor = Ctor;
}
const std::vector<const PassInfo*> &getInterfacesImplemented() const {
return ItfImpl;
}
+
+ /// getPassInfo - Deprecated API compaatibility function. This function
+ /// just returns 'this'.
+ ///
+ const PassInfo *getPassInfo() const {
+ return this;
+ }
+
+protected:
+ void registerPass();
+ void unregisterPass();
};
+template<typename PassName>
+Pass *callDefaultCtor() { return new PassName(); }
+
//===---------------------------------------------------------------------------
/// RegisterPass<t> template - This template class is used to notify the system
/// that a Pass is available for use, and registers it into the internal
///
/// static RegisterPass<PassClassName> tmp("passopt", "My Name");
///
-struct RegisterPassBase {
- /// getPassInfo - Get the pass info for the registered class...
- ///
- const PassInfo *getPassInfo() const { return &PIObj; }
-
- typedef Pass* (*NormalCtor_t)();
-
- RegisterPassBase(const char *Name, const char *Arg, intptr_t TI,
- NormalCtor_t NormalCtor = 0, bool CFGOnly = false,
- bool IsAnalysis = false)
- : PIObj(Name, Arg, TI, NormalCtor, CFGOnly, IsAnalysis) {
- registerPass();
- }
- explicit RegisterPassBase(intptr_t TI)
- : PIObj("", "", TI) {
- // This ctor may only be used for analysis groups: it does not auto-register
- // the pass.
- PIObj.SetIsAnalysisGroup();
- }
-
-protected:
- PassInfo PIObj; // The PassInfo object for this pass
- void registerPass();
- void unregisterPass();
-};
-
-template<typename PassName>
-Pass *callDefaultCtor() { return new PassName(); }
-
-template<typename PassName>
-struct RegisterPass : public RegisterPassBase {
+template<typename passName>
+struct RegisterPass : public PassInfo {
// Register Pass using default constructor...
RegisterPass(const char *PassArg, const char *Name, bool CFGOnly = false,
bool IsAnalysis = false)
- : RegisterPassBase(Name, PassArg, intptr_t(&PassName::ID),
- RegisterPassBase::NormalCtor_t(callDefaultCtor<PassName>),
- CFGOnly, IsAnalysis) {
+ : PassInfo(Name, PassArg, intptr_t(&passName::ID),
+ PassInfo::NormalCtor_t(callDefaultCtor<passName>),
+ CFGOnly, IsAnalysis) {
}
};
/// second template argument). The interface should be registered to associate
/// a nice name with the interface.
///
-class RegisterAGBase : public RegisterPassBase {
+class RegisterAGBase : public PassInfo {
PassInfo *InterfaceInfo;
const PassInfo *ImplementationInfo;
bool isDefaultImplementation;
protected:
- explicit RegisterAGBase(intptr_t InterfaceID,
+ explicit RegisterAGBase(const char *Name,
+ intptr_t InterfaceID,
intptr_t PassID = 0,
bool isDefault = false);
- void setGroupName(const char *Name);
};
template<typename Interface, bool Default = false>
struct RegisterAnalysisGroup : public RegisterAGBase {
- explicit RegisterAnalysisGroup(RegisterPassBase &RPB)
- : RegisterAGBase(intptr_t(&Interface::ID), RPB.getPassInfo()->getTypeInfo(),
+ explicit RegisterAnalysisGroup(PassInfo &RPB)
+ : RegisterAGBase(RPB.getPassName(),
+ intptr_t(&Interface::ID), RPB.getTypeInfo(),
Default) {
}
explicit RegisterAnalysisGroup(const char *Name)
- : RegisterAGBase(intptr_t(&Interface::ID)) {
- setGroupName(Name);
+ : RegisterAGBase(Name, intptr_t(&Interface::ID)) {
}
};
// ret int %Y
//
FunctionPass *createPromoteMemoryToRegisterPass();
-extern const PassInfo *PromoteMemoryToRegisterID;
+extern const PassInfo *const PromoteMemoryToRegisterID;
//===----------------------------------------------------------------------===//
//
// hacking easier.
//
FunctionPass *createDemoteRegisterToMemoryPass();
-extern const PassInfo *DemoteRegisterToMemoryID;
+extern const PassInfo *const DemoteRegisterToMemoryID;
//===----------------------------------------------------------------------===//
//
// (set, immediate dominators, tree, and frontier) information.
//
FunctionPass *createBreakCriticalEdgesPass();
-extern const PassInfo *BreakCriticalEdgesID;
+extern const PassInfo *const BreakCriticalEdgesID;
//===----------------------------------------------------------------------===//
//
// AU.addRequiredID(LoopSimplifyID);
//
FunctionPass *createLoopSimplifyPass();
-extern const PassInfo *LoopSimplifyID;
+extern const PassInfo *const LoopSimplifyID;
//===----------------------------------------------------------------------===//
//
// AU.addRequiredID(LowerAllocationsID);
//
Pass *createLowerAllocationsPass(bool LowerMallocArgToInteger = false);
-extern const PassInfo *LowerAllocationsID;
+extern const PassInfo *const LowerAllocationsID;
//===----------------------------------------------------------------------===//
//
// chained binary branch instructions.
//
FunctionPass *createLowerSwitchPass();
-extern const PassInfo *LowerSwitchID;
+extern const PassInfo *const LowerSwitchID;
//===----------------------------------------------------------------------===//
//
// lowering pass.
//
FunctionPass *createLowerInvokePass(const TargetLowering *TLI = NULL);
-extern const PassInfo *LowerInvokePassID;
+extern const PassInfo *const LowerInvokePassID;
//===----------------------------------------------------------------------===//
//
// optimizations.
//
LoopPass *createLCSSAPass();
-extern const PassInfo *LCSSAID;
+extern const PassInfo *const LCSSAID;
//===----------------------------------------------------------------------===//
//
static RegisterPass<MachineDominatorTree>
E("machinedomtree", "MachineDominator Tree Construction", true);
-const PassInfo *llvm::MachineDominatorsID = E.getPassInfo();
+const PassInfo *const llvm::MachineDominatorsID = &E;
static RegisterPass<MachineLoopInfo>
X("machine-loops", "Machine Natural Loop Construction", true);
-const PassInfo *llvm::MachineLoopInfoID = X.getPassInfo();
+const PassInfo *const llvm::MachineLoopInfoID = &X;
bool MachineLoopInfo::runOnMachineFunction(MachineFunction &) {
releaseMemory();
static RegisterPass<PNE>
X("phi-node-elimination", "Eliminate PHI nodes for register allocation");
-const PassInfo *llvm::PHIEliminationID = X.getPassInfo();
+const PassInfo *const llvm::PHIEliminationID = &X;
bool PNE::runOnMachineFunction(MachineFunction &Fn) {
MRI = &Fn.getRegInfo();
// Declare that we implement the RegisterCoalescer interface
static RegisterAnalysisGroup<RegisterCoalescer, true/*The Default*/> V(X);
-const PassInfo *llvm::SimpleRegisterCoalescingID = X.getPassInfo();
+const PassInfo *const llvm::SimpleRegisterCoalescingID = &X;
void SimpleRegisterCoalescing::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addPreserved<LiveIntervals>();
X("strong-phi-node-elimination",
"Eliminate PHI nodes for register allocation, intelligently");
-const PassInfo *llvm::StrongPHIEliminationID = X.getPassInfo();
+const PassInfo *const llvm::StrongPHIEliminationID = &X;
/// computeDFS - Computes the DFS-in and DFS-out numbers of the dominator tree
/// of the given MachineFunction. These numbers are then used in other parts
static RegisterPass<TwoAddressInstructionPass>
X("twoaddressinstruction", "Two-Address instruction pass");
-const PassInfo *llvm::TwoAddressInstructionPassID = X.getPassInfo();
+const PassInfo *const llvm::TwoAddressInstructionPassID = &X;
/// Sink3AddrInstruction - A two-address instruction has been converted to a
/// three-address instruction to avoid clobbering a register. Try to sink it
// createDemoteRegisterToMemory - Provide an entry point to create this pass.
//
-const PassInfo *llvm::DemoteRegisterToMemoryID = X.getPassInfo();
+const PassInfo *const llvm::DemoteRegisterToMemoryID = &X;
FunctionPass *llvm::createDemoteRegisterToMemoryPass() {
return new RegToMem();
}
X("break-crit-edges", "Break critical edges in CFG");
// Publically exposed interface to pass...
-const PassInfo *llvm::BreakCriticalEdgesID = X.getPassInfo();
+const PassInfo *const llvm::BreakCriticalEdgesID = &X;
FunctionPass *llvm::createBreakCriticalEdgesPass() {
return new BreakCriticalEdges();
}
static RegisterPass<LCSSA> X("lcssa", "Loop-Closed SSA Form Pass");
LoopPass *llvm::createLCSSAPass() { return new LCSSA(); }
-const PassInfo *llvm::LCSSAID = X.getPassInfo();
+const PassInfo *const llvm::LCSSAID = &X;
/// runOnFunction - Process all loops in the function, inner-most out.
bool LCSSA::runOnLoop(Loop *L, LPPassManager &LPM) {
X("loopsimplify", "Canonicalize natural loops", true);
// Publically exposed interface to pass...
-const PassInfo *llvm::LoopSimplifyID = X.getPassInfo();
+const PassInfo *const llvm::LoopSimplifyID = &X;
FunctionPass *llvm::createLoopSimplifyPass() { return new LoopSimplify(); }
/// runOnFunction - Run down all loops in the CFG (recursively, but we could do
X("lowerallocs", "Lower allocations from instructions to calls");
// Publically exposed interface to pass...
-const PassInfo *llvm::LowerAllocationsID = X.getPassInfo();
+const PassInfo *const llvm::LowerAllocationsID = &X;
// createLowerAllocationsPass - Interface to this file...
Pass *llvm::createLowerAllocationsPass(bool LowerMallocArgToInteger) {
return new LowerAllocations(LowerMallocArgToInteger);
static RegisterPass<LowerInvoke>
X("lowerinvoke", "Lower invoke and unwind, for unwindless code generators");
-const PassInfo *llvm::LowerInvokePassID = X.getPassInfo();
+const PassInfo *const llvm::LowerInvokePassID = &X;
// Public Interface To the LowerInvoke pass.
FunctionPass *llvm::createLowerInvokePass(const TargetLowering *TLI) {
X("lowerswitch", "Lower SwitchInst's to branches");
// Publically exposed interface to pass...
-const PassInfo *llvm::LowerSwitchID = X.getPassInfo();
+const PassInfo *const llvm::LowerSwitchID = &X;
// createLowerSwitchPass - Interface to this file...
FunctionPass *llvm::createLowerSwitchPass() {
return new LowerSwitch();
}
// Publically exposed interface to pass...
-const PassInfo *llvm::PromoteMemoryToRegisterID = X.getPassInfo();
+const PassInfo *const llvm::PromoteMemoryToRegisterID = &X;
// createPromoteMemoryToRegister - Provide an entry point to create this pass.
//
FunctionPass *llvm::createPromoteMemoryToRegisterPass() {
class PassRegistrar {
/// PassInfoMap - Keep track of the passinfo object for each registered llvm
/// pass.
- std::map<intptr_t, PassInfo*> PassInfoMap;
+ typedef std::map<intptr_t, const PassInfo*> MapType;
+ MapType PassInfoMap;
/// AnalysisGroupInfo - Keep track of information for each analysis group.
struct AnalysisGroupInfo {
public:
const PassInfo *GetPassInfo(intptr_t TI) const {
- std::map<intptr_t, PassInfo*>::const_iterator I = PassInfoMap.find(TI);
+ MapType::const_iterator I = PassInfoMap.find(TI);
return I != PassInfoMap.end() ? I->second : 0;
}
- void RegisterPass(PassInfo &PI) {
+ void RegisterPass(const PassInfo &PI) {
bool Inserted =
PassInfoMap.insert(std::make_pair(PI.getTypeInfo(),&PI)).second;
assert(Inserted && "Pass registered multiple times!");
}
- void UnregisterPass(PassInfo &PI) {
- std::map<intptr_t, PassInfo*>::iterator I =
- PassInfoMap.find(PI.getTypeInfo());
+ void UnregisterPass(const PassInfo &PI) {
+ MapType::iterator I = PassInfoMap.find(PI.getTypeInfo());
assert(I != PassInfoMap.end() && "Pass registered but not in map!");
// Remove pass from the map.
}
void EnumerateWith(PassRegistrationListener *L) {
- for (std::map<intptr_t, PassInfo*>::const_iterator I = PassInfoMap.begin(),
+ for (MapType::const_iterator I = PassInfoMap.begin(),
E = PassInfoMap.end(); I != E; ++I)
L->passEnumerate(I->second);
}
return getPassRegistrar()->GetPassInfo(TI);
}
-void RegisterPassBase::registerPass() {
- getPassRegistrar()->RegisterPass(PIObj);
+void PassInfo::registerPass() {
+ getPassRegistrar()->RegisterPass(*this);
// Notify any listeners.
if (Listeners)
for (std::vector<PassRegistrationListener*>::iterator
I = Listeners->begin(), E = Listeners->end(); I != E; ++I)
- (*I)->passRegistered(&PIObj);
+ (*I)->passRegistered(this);
}
-void RegisterPassBase::unregisterPass() {
- getPassRegistrar()->UnregisterPass(PIObj);
+void PassInfo::unregisterPass() {
+ getPassRegistrar()->UnregisterPass(*this);
}
//===----------------------------------------------------------------------===//
// RegisterAGBase implementation
//
-RegisterAGBase::RegisterAGBase(intptr_t InterfaceID,
+RegisterAGBase::RegisterAGBase(const char *Name, intptr_t InterfaceID,
intptr_t PassID, bool isDefault)
- : RegisterPassBase(InterfaceID),
+ : PassInfo(Name, InterfaceID),
ImplementationInfo(0), isDefaultImplementation(isDefault) {
InterfaceInfo = const_cast<PassInfo*>(Pass::lookupPassInfo(InterfaceID));
if (InterfaceInfo == 0) {
// First reference to Interface, register it now.
registerPass();
- InterfaceInfo = &PIObj;
+ InterfaceInfo = this;
}
- assert(PIObj.isAnalysisGroup() &&
+ assert(isAnalysisGroup() &&
"Trying to join an analysis group that is a normal pass!");
if (PassID) {
}
}
-void RegisterAGBase::setGroupName(const char *Name) {
- assert(InterfaceInfo->getPassName()[0] == 0 && "Interface Name already set!");
- InterfaceInfo->setPassName(Name);
-}
-
//===----------------------------------------------------------------------===//
// PassRegistrationListener implementation
char PreVerifier::ID = 0;
static RegisterPass<PreVerifier>
PreVer("preverify", "Preliminary module verification");
-static const PassInfo *PreVerifyID = PreVer.getPassInfo();
+static const PassInfo *PreVerifyID = &PreVer;
namespace {
struct VISIBILITY_HIDDEN