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Add a new MachineInstr-level DCE pass. It is very simple, and is intended to
[oota-llvm.git]
/
include
/
llvm
/
PassManagers.h
diff --git
a/include/llvm/PassManagers.h
b/include/llvm/PassManagers.h
index 04bb48bc3e323057846dbe8602f0bc6e62705311..f8e1308c235b4b3a74f158f920ba4832ba592f95 100644
(file)
--- a/
include/llvm/PassManagers.h
+++ b/
include/llvm/PassManagers.h
@@
-13,6
+13,8
@@
#include "llvm/PassManager.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/PassManager.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/DenseMap.h"
#include <deque>
#include <map>
#include <deque>
#include <map>
@@
-28,8
+30,8
@@
//
// Pass Manager Infrastructure uses multiple pass managers. They are
// PassManager, FunctionPassManager, MPPassManager, FPPassManager, BBPassManager.
//
// Pass Manager Infrastructure uses multiple pass managers. They are
// PassManager, FunctionPassManager, MPPassManager, FPPassManager, BBPassManager.
-// This class hierarc
y uses multiple inheritance but pass managers do not derive
-// from another pass manager.
+// This class hierarc
hy uses multiple inheritance but pass managers do not
+//
derive
from another pass manager.
//
// PassManager and FunctionPassManager are two top-level pass manager that
// represents the external interface of this entire pass manager infrastucture.
//
// PassManager and FunctionPassManager are two top-level pass manager that
// represents the external interface of this entire pass manager infrastucture.
@@
-86,6
+88,9
@@
#ifndef PASSMANAGERS_H
#define PASSMANAGERS_H
#ifndef PASSMANAGERS_H
#define PASSMANAGERS_H
+#include "llvm/Pass.h"
+#include <deque>
+
namespace llvm {
/// FunctionPassManager and PassManager, two top level managers, serve
namespace llvm {
/// FunctionPassManager and PassManager, two top level managers, serve
@@
-145,8
+150,8
@@
private:
class PMTopLevelManager {
public:
class PMTopLevelManager {
public:
- virtual unsigned getNumContainedManagers() {
- return PassManagers.size();
+ virtual unsigned getNumContainedManagers()
const
{
+ return
(unsigned)
PassManagers.size();
}
/// Schedule pass P for execution. Make sure that passes required by
}
/// Schedule pass P for execution. Make sure that passes required by
@@
-169,6
+174,9
@@
public:
/// then return NULL.
Pass *findAnalysisPass(AnalysisID AID);
/// then return NULL.
Pass *findAnalysisPass(AnalysisID AID);
+ /// Find analysis usage information for the pass P.
+ AnalysisUsage *findAnalysisUsage(Pass *P);
+
explicit PMTopLevelManager(enum TopLevelManagerType t);
virtual ~PMTopLevelManager();
explicit PMTopLevelManager(enum TopLevelManagerType t);
virtual ~PMTopLevelManager();
@@
-178,7
+186,7
@@
public:
ImmutablePasses.push_back(P);
}
ImmutablePasses.push_back(P);
}
- inline
std::vector<ImmutablePass *
>& getImmutablePasses() {
+ inline
SmallVector<ImmutablePass *, 8
>& getImmutablePasses() {
return ImmutablePasses;
}
return ImmutablePasses;
}
@@
-204,20
+212,27
@@
public:
protected:
/// Collection of pass managers
protected:
/// Collection of pass managers
-
std::vector<PMDataManager *
> PassManagers;
+
SmallVector<PMDataManager *, 8
> PassManagers;
private:
/// Collection of pass managers that are not directly maintained
/// by this pass manager
private:
/// Collection of pass managers that are not directly maintained
/// by this pass manager
-
std::vector<PMDataManager *
> IndirectPassManagers;
+
SmallVector<PMDataManager *, 8
> IndirectPassManagers;
// Map to keep track of last user of the analysis pass.
// LastUser->second is the last user of Lastuser->first.
// Map to keep track of last user of the analysis pass.
// LastUser->second is the last user of Lastuser->first.
- std::map<Pass *, Pass *> LastUser;
+ DenseMap<Pass *, Pass *> LastUser;
+
+ // Map to keep track of passes that are last used by a pass.
+ // This inverse map is initialized at PM->run() based on
+ // LastUser map.
+ DenseMap<Pass *, SmallPtrSet<Pass *, 8> > InversedLastUser;
/// Immutable passes are managed by top level manager.
/// Immutable passes are managed by top level manager.
- std::vector<ImmutablePass *> ImmutablePasses;
+ SmallVector<ImmutablePass *, 8> ImmutablePasses;
+
+ DenseMap<Pass *, AnalysisUsage *> AnUsageMap;
};
};
@@
-242,6
+257,9
@@
public:
/// verifyPreservedAnalysis -- Verify analysis presreved by pass P.
void verifyPreservedAnalysis(Pass *P);
/// verifyPreservedAnalysis -- Verify analysis presreved by pass P.
void verifyPreservedAnalysis(Pass *P);
+ /// verifyDomInfo -- Verify dominator information if it is available.
+ void verifyDomInfo(Pass &P, Function &F);
+
/// Remove Analysis that is not preserved by the pass
void removeNotPreservedAnalysis(Pass *P);
/// Remove Analysis that is not preserved by the pass
void removeNotPreservedAnalysis(Pass *P);
@@
-302,11
+320,11
@@
public:
void dumpPassArguments() const;
void dumpPassInfo(Pass *P, enum PassDebuggingString S1,
enum PassDebuggingString S2, const char *Msg);
void dumpPassArguments() const;
void dumpPassInfo(Pass *P, enum PassDebuggingString S1,
enum PassDebuggingString S2, const char *Msg);
- void dump
AnalysisSetInfo(const char *Msg, Pass *P,
-
const std::vector<AnalysisID> &Set
) const;
+ void dump
RequiredSet(const Pass *P) const;
+
void dumpPreservedSet(const Pass *P
) const;
- virtual unsigned getNumContainedPasses()
{
- return PassVector.size();
+ virtual unsigned getNumContainedPasses()
const {
+ return
(unsigned)
PassVector.size();
}
virtual PassManagerType getPassManagerType() const {
}
virtual PassManagerType getPassManagerType() const {
@@
-332,7
+350,7
@@
protected:
PMTopLevelManager *TPM;
// Collection of pass that are managed by this manager
PMTopLevelManager *TPM;
// Collection of pass that are managed by this manager
-
std::vector<Pass *
> PassVector;
+
SmallVector<Pass *, 16
> PassVector;
// Collection of Analysis provided by Parent pass manager and
// used by current pass manager. At at time there can not be more
// Collection of Analysis provided by Parent pass manager and
// used by current pass manager. At at time there can not be more
@@
-340,6
+358,9
@@
protected:
std::map<AnalysisID, Pass *> *InheritedAnalysis[PMT_Last];
private:
std::map<AnalysisID, Pass *> *InheritedAnalysis[PMT_Last];
private:
+ void dumpAnalysisUsage(const char *Msg, const Pass *P,
+ const AnalysisUsage::VectorType &Set) const;
+
// Set of available Analysis. This information is used while scheduling
// pass. If a pass requires an analysis which is not not available then
// equired analysis pass is scheduled to run before the pass itself is
// Set of available Analysis. This information is used while scheduling
// pass. If a pass requires an analysis which is not not available then
// equired analysis pass is scheduled to run before the pass itself is
@@
-348,7
+369,7
@@
private:
// Collection of higher level analysis used by the pass managed by
// this manager.
// Collection of higher level analysis used by the pass managed by
// this manager.
-
std::vector<Pass *
> HigherLevelAnalysis;
+
SmallVector<Pass *, 8
> HigherLevelAnalysis;
unsigned Depth;
};
unsigned Depth;
};