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"
17 #include "llvm/IR/LegacyPassManager.h"
18 #include "llvm/InitializePasses.h"
19 #include "llvm/Transforms/IPO.h"
20 #include "llvm/Transforms/IPO/AlwaysInliner.h"
21 #include "llvm/Transforms/IPO/FunctionAttrs.h"
22 
23 using namespace llvm;
24 
25 void llvm::initializeIPO(PassRegistry &Registry) {
26   initializeArgPromotionPass(Registry);
27   initializeCalledValuePropagationLegacyPassPass(Registry);
28   initializeConstantMergeLegacyPassPass(Registry);
29   initializeCrossDSOCFIPass(Registry);
30   initializeDAEPass(Registry);
31   initializeDAHPass(Registry);
32   initializeForceFunctionAttrsLegacyPassPass(Registry);
33   initializeGlobalDCELegacyPassPass(Registry);
34   initializeGlobalOptLegacyPassPass(Registry);
35   initializeGlobalSplitPass(Registry);
36   initializeHotColdSplittingLegacyPassPass(Registry);
37   initializeIPCPPass(Registry);
38   initializeAlwaysInlinerLegacyPassPass(Registry);
39   initializeSimpleInlinerPass(Registry);
40   initializeInferFunctionAttrsLegacyPassPass(Registry);
41   initializeInternalizeLegacyPassPass(Registry);
42   initializeLoopExtractorPass(Registry);
43   initializeBlockExtractorPass(Registry);
44   initializeSingleLoopExtractorPass(Registry);
45   initializeLowerTypeTestsPass(Registry);
46   initializeMergeFunctionsLegacyPassPass(Registry);
47   initializePartialInlinerLegacyPassPass(Registry);
48   initializeAttributorLegacyPassPass(Registry);
49   initializePostOrderFunctionAttrsLegacyPassPass(Registry);
50   initializeReversePostOrderFunctionAttrsLegacyPassPass(Registry);
51   initializePruneEHPass(Registry);
52   initializeIPSCCPLegacyPassPass(Registry);
53   initializeStripDeadPrototypesLegacyPassPass(Registry);
54   initializeStripSymbolsPass(Registry);
55   initializeStripDebugDeclarePass(Registry);
56   initializeStripDeadDebugInfoPass(Registry);
57   initializeStripNonDebugSymbolsPass(Registry);
58   initializeBarrierNoopPass(Registry);
59   initializeEliminateAvailableExternallyLegacyPassPass(Registry);
60   initializeSampleProfileLoaderLegacyPassPass(Registry);
61   initializeFunctionImportLegacyPassPass(Registry);
62   initializeWholeProgramDevirtPass(Registry);
63 }
64 
65 void LLVMInitializeIPO(LLVMPassRegistryRef R) {
66   initializeIPO(*unwrap(R));
67 }
68 
69 void LLVMAddArgumentPromotionPass(LLVMPassManagerRef PM) {
70   unwrap(PM)->add(createArgumentPromotionPass());
71 }
72 
73 void LLVMAddCalledValuePropagationPass(LLVMPassManagerRef PM) {
74   unwrap(PM)->add(createCalledValuePropagationPass());
75 }
76 
77 void LLVMAddConstantMergePass(LLVMPassManagerRef PM) {
78   unwrap(PM)->add(createConstantMergePass());
79 }
80 
81 void LLVMAddDeadArgEliminationPass(LLVMPassManagerRef PM) {
82   unwrap(PM)->add(createDeadArgEliminationPass());
83 }
84 
85 void LLVMAddFunctionAttrsPass(LLVMPassManagerRef PM) {
86   unwrap(PM)->add(createPostOrderFunctionAttrsLegacyPass());
87 }
88 
89 void LLVMAddFunctionInliningPass(LLVMPassManagerRef PM) {
90   unwrap(PM)->add(createFunctionInliningPass());
91 }
92 
93 void LLVMAddAlwaysInlinerPass(LLVMPassManagerRef PM) {
94   unwrap(PM)->add(llvm::createAlwaysInlinerLegacyPass());
95 }
96 
97 void LLVMAddGlobalDCEPass(LLVMPassManagerRef PM) {
98   unwrap(PM)->add(createGlobalDCEPass());
99 }
100 
101 void LLVMAddGlobalOptimizerPass(LLVMPassManagerRef PM) {
102   unwrap(PM)->add(createGlobalOptimizerPass());
103 }
104 
105 void LLVMAddIPConstantPropagationPass(LLVMPassManagerRef PM) {
106   unwrap(PM)->add(createIPConstantPropagationPass());
107 }
108 
109 void LLVMAddPruneEHPass(LLVMPassManagerRef PM) {
110   unwrap(PM)->add(createPruneEHPass());
111 }
112 
113 void LLVMAddIPSCCPPass(LLVMPassManagerRef PM) {
114   unwrap(PM)->add(createIPSCCPPass());
115 }
116 
117 void LLVMAddMergeFunctionsPass(LLVMPassManagerRef PM) {
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 
128 void LLVMAddInternalizePassWithMustPreservePredicate(
129     LLVMPassManagerRef PM,
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 
137 void LLVMAddStripDeadPrototypesPass(LLVMPassManagerRef PM) {
138   unwrap(PM)->add(createStripDeadPrototypesPass());
139 }
140 
141 void LLVMAddStripSymbolsPass(LLVMPassManagerRef PM) {
142   unwrap(PM)->add(createStripSymbolsPass());
143 }
144