1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
//===- llvm/PassManager.h - Container for Passes ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the PassManager class. This class is used to hold,
// maintain, and optimize execution of Passes. The PassManager class ensures
// that analysis results are available before a pass runs, and that Pass's are
// destroyed when the PassManager is destroyed.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_PASSMANAGER_H
#define LLVM_PASSMANAGER_H
#include "llvm/Pass.h"
#include <vector>
namespace llvm {
class Pass;
class ModulePass;
class Module;
class ModuleProvider;
class ModulePassManager;
class FunctionPassManagerT;
class BasicBlockPassManager;
class PassManager {
ModulePassManager *PM; // This is a straightforward Pimpl class
public:
PassManager();
~PassManager();
/// add - Add a pass to the queue of passes to run. This passes ownership of
/// the Pass to the PassManager. When the PassManager is destroyed, the pass
/// will be destroyed as well, so there is no need to delete the pass. This
/// implies that all passes MUST be allocated with 'new'.
///
void add(Pass *P);
/// run - Execute all of the passes scheduled for execution. Keep track of
/// whether any of the passes modifies the module, and if so, return true.
///
bool run(Module &M);
};
class FunctionPass;
class ImmutablePass;
class Function;
class FunctionPassManager {
FunctionPassManagerT *PM; // This is a straightforward Pimpl class
ModuleProvider *MP;
public:
FunctionPassManager(ModuleProvider *P);
~FunctionPassManager();
/// add - Add a pass to the queue of passes to run. This passes
/// ownership of the FunctionPass to the PassManager. When the
/// PassManager is destroyed, the pass will be destroyed as well, so
/// there is no need to delete the pass. This implies that all
/// passes MUST be allocated with 'new'.
///
void add(FunctionPass *P);
/// add - ImmutablePasses are not FunctionPasses, so we have a
/// special hack to get them into a FunctionPassManager.
///
void add(ImmutablePass *IP);
/// doInitialization - Run all of the initializers for the function passes.
///
bool doInitialization();
/// run - Execute all of the passes scheduled for execution. Keep
/// track of whether any of the passes modifies the function, and if
/// so, return true.
///
bool run(Function &F);
/// doFinalization - Run all of the initializers for the function passes.
///
bool doFinalization();
};
/// BasicBlockpassManager_New manages BasicBlockPass. It batches all the
/// pass together and sequence them to process one basic block before
/// processing next basic block.
class BasicBlockPassManager_New: public Pass {
public:
BasicBlockPassManager_New() { }
/// Add a pass into a passmanager queue.
bool addPass(Pass *p);
/// Execute all of the passes scheduled for execution. Keep track of
/// whether any of the passes modifies the function, and if so, return true.
bool runOnFunction(Function &F);
private:
// Collection of pass that are not yet scheduled
std::vector<Pass *> PassVector;
};
} // End llvm namespace
#endif
|