LLVM  10.0.0svn
IPO.cpp
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1 //===-- IPO.cpp -----------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file implements the common infrastructure (including C bindings) for
10 // libLLVMIPO.a, which implements several transformations over the LLVM
11 // intermediate representation.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "llvm-c/Transforms/IPO.h"
16 #include "llvm-c/Initialization.h"
18 #include "llvm/InitializePasses.h"
19 #include "llvm/Transforms/IPO.h"
22 
23 using namespace llvm;
24 
29  initializeCrossDSOCFIPass(Registry);
30  initializeDAEPass(Registry);
31  initializeDAHPass(Registry);
35  initializeGlobalSplitPass(Registry);
37  initializeIPCPPass(Registry);
51  initializePruneEHPass(Registry);
58  initializeBarrierNoopPass(Registry);
63 }
64 
66  initializeIPO(*unwrap(R));
67 }
68 
71 }
72 
75 }
76 
78  unwrap(PM)->add(createConstantMergePass());
79 }
80 
83 }
84 
87 }
88 
91 }
92 
95 }
96 
98  unwrap(PM)->add(createGlobalDCEPass());
99 }
100 
102  unwrap(PM)->add(createGlobalOptimizerPass());
103 }
104 
107 }
108 
110  unwrap(PM)->add(createPruneEHPass());
111 }
112 
114  unwrap(PM)->add(createIPSCCPPass());
115 }
116 
118  unwrap(PM)->add(createMergeFunctionsPass());
119 }
120 
121 void LLVMAddInternalizePass(LLVMPassManagerRef PM, unsigned AllButMain) {
122  auto PreserveMain = [=](const GlobalValue &GV) {
123  return AllButMain && GV.getName() == "main";
124  };
125  unwrap(PM)->add(createInternalizePass(PreserveMain));
126 }
127 
130  void *Context,
131  LLVMBool (*Pred)(LLVMValueRef, void *)) {
132  unwrap(PM)->add(createInternalizePass([=](const GlobalValue &GV) {
133  return Pred(wrap(&GV), Context) == 0 ? false : true;
134  }));
135 }
136 
139 }
140 
142  unwrap(PM)->add(createStripSymbolsPass());
143 }
void initializeIPCPPass(PassRegistry &)
void initializeCalledValuePropagationLegacyPassPass(PassRegistry &)
ModulePass * createIPConstantPropagationPass()
createIPConstantPropagationPass - This pass propagates constants from call sites into the bodies of f...
void initializeGlobalOptLegacyPassPass(PassRegistry &)
ModulePass * createStripDeadPrototypesPass()
createStripDeadPrototypesPass - This pass removes any function declarations (prototypes) that are not...
LLVMContext & Context
void initializeInternalizeLegacyPassPass(PassRegistry &)
void initializeLoopExtractorPass(PassRegistry &)
void initializeStripDeadDebugInfoPass(PassRegistry &)
This class represents lattice values for constants.
Definition: AllocatorList.h:23
void initializePartialInlinerLegacyPassPass(PassRegistry &)
void initializeSimpleInlinerPass(PassRegistry &)
ModulePass * createMergeFunctionsPass()
createMergeFunctionsPass - This pass discovers identical functions and collapses them.
void LLVMAddGlobalDCEPass(LLVMPassManagerRef PM)
See llvm::createGlobalDCEPass function.
Definition: IPO.cpp:97
A global registry used in conjunction with static constructors to make pluggable components (like tar...
Definition: Registry.h:44
void initializeWholeProgramDevirtPass(PassRegistry &)
ModulePass * createIPSCCPPass()
createIPSCCPPass - This pass propagates constants from call sites into the bodies of functions...
Definition: SCCP.cpp:92
void initializeGlobalSplitPass(PassRegistry &)
void initializeGlobalDCELegacyPassPass(PassRegistry &)
void LLVMAddPruneEHPass(LLVMPassManagerRef PM)
See llvm::createPruneEHPass function.
Definition: IPO.cpp:109
struct LLVMOpaquePassRegistry * LLVMPassRegistryRef
Definition: Types.h:131
void LLVMAddAlwaysInlinerPass(LLVMPassManagerRef PM)
See llvm::createAlwaysInlinerPass function.
Definition: IPO.cpp:93
void LLVMAddIPSCCPPass(LLVMPassManagerRef PM)
See llvm::createIPSCCPPass function.
Definition: IPO.cpp:113
void initializeReversePostOrderFunctionAttrsLegacyPassPass(PassRegistry &)
void initializeStripSymbolsPass(PassRegistry &)
void initializePruneEHPass(PassRegistry &)
void initializeLowerTypeTestsPass(PassRegistry &)
Attribute unwrap(LLVMAttributeRef Attr)
Definition: Attributes.h:204
void LLVMAddConstantMergePass(LLVMPassManagerRef PM)
See llvm::createConstantMergePass function.
Definition: IPO.cpp:77
void initializeArgPromotionPass(PassRegistry &)
Pass * createArgumentPromotionPass(unsigned maxElements=3)
createArgumentPromotionPass - This pass promotes "by reference" arguments to be passed by value if th...
void initializeInferFunctionAttrsLegacyPassPass(PassRegistry &)
void initializeStripNonDebugSymbolsPass(PassRegistry &)
void initializeCrossDSOCFIPass(PassRegistry &)
ModulePass * createCalledValuePropagationPass()
createCalledValuePropagationPass - Attach metadata to indirct call sites indicating the set of functi...
void initializeAttributorLegacyPassPass(PassRegistry &)
void LLVMAddDeadArgEliminationPass(LLVMPassManagerRef PM)
See llvm::createDeadArgEliminationPass function.
Definition: IPO.cpp:81
void LLVMAddInternalizePassWithMustPreservePredicate(LLVMPassManagerRef PM, void *Context, LLVMBool(*Pred)(LLVMValueRef, void *))
Create and add the internalize pass to the given pass manager with the provided preservation callback...
Definition: IPO.cpp:128
ModulePass * createGlobalDCEPass()
createGlobalDCEPass - This transform is designed to eliminate unreachable internal globals (functions...
void initializeMergeFunctionsPass(PassRegistry &)
void initializeEliminateAvailableExternallyLegacyPassPass(PassRegistry &)
ModulePass * createDeadArgEliminationPass()
createDeadArgEliminationPass - This pass removes arguments from functions which are not used by the b...
void initializeDAEPass(PassRegistry &)
void LLVMAddInternalizePass(LLVMPassManagerRef PM, unsigned AllButMain)
See llvm::createInternalizePass function.
Definition: IPO.cpp:121
void initializeFunctionImportLegacyPassPass(PassRegistry &)
Pass * createAlwaysInlinerLegacyPass(bool InsertLifetime=true)
Create a legacy pass manager instance of a pass to inline and remove functions marked as "always_inli...
ModulePass * createConstantMergePass()
createConstantMergePass - This function returns a new pass that merges duplicate global constants tog...
ModulePass * createGlobalOptimizerPass()
createGlobalOptimizerPass - This function returns a new pass that optimizes non-address taken interna...
Definition: GlobalOpt.cpp:3044
void initializeSampleProfileLoaderLegacyPassPass(PassRegistry &)
void initializeAlwaysInlinerLegacyPassPass(PassRegistry &)
int LLVMBool
Definition: Types.h:29
Pass * createPostOrderFunctionAttrsLegacyPass()
Create a legacy pass manager instance of a pass to compute function attrs in post-order.
void initializeConstantMergeLegacyPassPass(PassRegistry &)
void initializeIPO(PassRegistry &)
Initialize all passes linked into the IPO library.
Definition: IPO.cpp:25
void LLVMAddIPConstantPropagationPass(LLVMPassManagerRef PM)
See llvm::createIPConstantPropagationPass function.
Definition: IPO.cpp:105
void LLVMAddCalledValuePropagationPass(LLVMPassManagerRef PM)
See llvm::createCalledValuePropagationPass function.
Definition: IPO.cpp:73
void LLVMInitializeIPO(LLVMPassRegistryRef R)
Definition: IPO.cpp:65
Provides passes to inlining "always_inline" functions.
void initializeHotColdSplittingLegacyPassPass(PassRegistry &)
void LLVMAddMergeFunctionsPass(LLVMPassManagerRef PM)
See llvm::createMergeFunctionsPass function.
Definition: IPO.cpp:117
ModulePass * createInternalizePass(std::function< bool(const GlobalValue &)> MustPreserveGV)
createInternalizePass - This pass loops over all of the functions in the input module, internalizing all globals (functions and variables) it can.
struct LLVMOpaquePassManager * LLVMPassManagerRef
Definition: Types.h:128
void LLVMAddArgumentPromotionPass(LLVMPassManagerRef PM)
See llvm::createArgumentPromotionPass function.
Definition: IPO.cpp:69
void initializeSingleLoopExtractorPass(PassRegistry &)
void initializeDAHPass(PassRegistry &)
void LLVMAddFunctionInliningPass(LLVMPassManagerRef PM)
See llvm::createFunctionInliningPass function.
Definition: IPO.cpp:89
void initializeBlockExtractorPass(PassRegistry &)
LLVMAttributeRef wrap(Attribute Attr)
Definition: Attributes.h:199
void initializePostOrderFunctionAttrsLegacyPassPass(PassRegistry &)
void initializeIPSCCPLegacyPassPass(PassRegistry &)
void LLVMAddStripSymbolsPass(LLVMPassManagerRef PM)
See llvm::createStripSymbolsPass function.
Definition: IPO.cpp:141
Provides passes for computing function attributes based on interprocedural analyses.
void LLVMAddGlobalOptimizerPass(LLVMPassManagerRef PM)
See llvm::createGlobalOptimizerPass function.
Definition: IPO.cpp:101
void initializeForceFunctionAttrsLegacyPassPass(PassRegistry &)
void initializeStripDebugDeclarePass(PassRegistry &)
void LLVMAddFunctionAttrsPass(LLVMPassManagerRef PM)
See llvm::createFunctionAttrsPass function.
Definition: IPO.cpp:85
Pass * createFunctionInliningPass()
createFunctionInliningPass - Return a new pass object that uses a heuristic to inline direct function...
Pass * createPruneEHPass()
createPruneEHPass - Return a new pass object which transforms invoke instructions into calls...
Definition: PruneEH.cpp:60
void initializeBarrierNoopPass(PassRegistry &)
ModulePass * createStripSymbolsPass(bool OnlyDebugInfo=false)
PassRegistry - This class manages the registration and intitialization of the pass subsystem as appli...
Definition: PassRegistry.h:38
void LLVMAddStripDeadPrototypesPass(LLVMPassManagerRef PM)
See llvm::createStripDeadPrototypesPass function.
Definition: IPO.cpp:137
Function Alias Analysis false
void initializeStripDeadPrototypesLegacyPassPass(PassRegistry &)
struct LLVMOpaqueValue * LLVMValueRef
Represents an individual value in LLVM IR.
Definition: Types.h:76