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   initializeOpenMPOptLegacyPassPass(Registry);
27   initializeArgPromotionPass(Registry);
28   initializeCalledValuePropagationLegacyPassPass(Registry);
29   initializeConstantMergeLegacyPassPass(Registry);
30   initializeCrossDSOCFIPass(Registry);
31   initializeDAEPass(Registry);
32   initializeDAHPass(Registry);
33   initializeForceFunctionAttrsLegacyPassPass(Registry);
34   initializeGlobalDCELegacyPassPass(Registry);
35   initializeGlobalOptLegacyPassPass(Registry);
36   initializeGlobalSplitPass(Registry);
37   initializeHotColdSplittingLegacyPassPass(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   initializeAttributorCGSCCLegacyPassPass(Registry);
50   initializePostOrderFunctionAttrsLegacyPassPass(Registry);
51   initializeReversePostOrderFunctionAttrsLegacyPassPass(Registry);
52   initializePruneEHPass(Registry);
53   initializeIPSCCPLegacyPassPass(Registry);
54   initializeStripDeadPrototypesLegacyPassPass(Registry);
55   initializeStripSymbolsPass(Registry);
56   initializeStripDebugDeclarePass(Registry);
57   initializeStripDeadDebugInfoPass(Registry);
58   initializeStripNonDebugSymbolsPass(Registry);
59   initializeBarrierNoopPass(Registry);
60   initializeEliminateAvailableExternallyLegacyPassPass(Registry);
61   initializeSampleProfileLoaderLegacyPassPass(Registry);
62   initializeFunctionImportLegacyPassPass(Registry);
63   initializeWholeProgramDevirtPass(Registry);
64 }
65 
66 void LLVMInitializeIPO(LLVMPassRegistryRef R) {
67   initializeIPO(*unwrap(R));
68 }
69 
70 void LLVMAddArgumentPromotionPass(LLVMPassManagerRef PM) {
71   unwrap(PM)->add(createArgumentPromotionPass());
72 }
73 
74 void LLVMAddCalledValuePropagationPass(LLVMPassManagerRef PM) {
75   unwrap(PM)->add(createCalledValuePropagationPass());
76 }
77 
78 void LLVMAddConstantMergePass(LLVMPassManagerRef PM) {
79   unwrap(PM)->add(createConstantMergePass());
80 }
81 
82 void LLVMAddDeadArgEliminationPass(LLVMPassManagerRef PM) {
83   unwrap(PM)->add(createDeadArgEliminationPass());
84 }
85 
86 void LLVMAddFunctionAttrsPass(LLVMPassManagerRef PM) {
87   unwrap(PM)->add(createPostOrderFunctionAttrsLegacyPass());
88 }
89 
90 void LLVMAddFunctionInliningPass(LLVMPassManagerRef PM) {
91   unwrap(PM)->add(createFunctionInliningPass());
92 }
93 
94 void LLVMAddAlwaysInlinerPass(LLVMPassManagerRef PM) {
95   unwrap(PM)->add(llvm::createAlwaysInlinerLegacyPass());
96 }
97 
98 void LLVMAddGlobalDCEPass(LLVMPassManagerRef PM) {
99   unwrap(PM)->add(createGlobalDCEPass());
100 }
101 
102 void LLVMAddGlobalOptimizerPass(LLVMPassManagerRef PM) {
103   unwrap(PM)->add(createGlobalOptimizerPass());
104 }
105 
106 void LLVMAddPruneEHPass(LLVMPassManagerRef PM) {
107   unwrap(PM)->add(createPruneEHPass());
108 }
109 
110 void LLVMAddIPSCCPPass(LLVMPassManagerRef PM) {
111   unwrap(PM)->add(createIPSCCPPass());
112 }
113 
114 void LLVMAddMergeFunctionsPass(LLVMPassManagerRef PM) {
115   unwrap(PM)->add(createMergeFunctionsPass());
116 }
117 
118 void LLVMAddInternalizePass(LLVMPassManagerRef PM, unsigned AllButMain) {
119   auto PreserveMain = [=](const GlobalValue &GV) {
120     return AllButMain && GV.getName() == "main";
121   };
122   unwrap(PM)->add(createInternalizePass(PreserveMain));
123 }
124 
125 void LLVMAddInternalizePassWithMustPreservePredicate(
126     LLVMPassManagerRef PM,
127     void *Context,
128     LLVMBool (*Pred)(LLVMValueRef, void *)) {
129   unwrap(PM)->add(createInternalizePass([=](const GlobalValue &GV) {
130     return Pred(wrap(&GV), Context) == 0 ? false : true;
131   }));
132 }
133 
134 void LLVMAddStripDeadPrototypesPass(LLVMPassManagerRef PM) {
135   unwrap(PM)->add(createStripDeadPrototypesPass());
136 }
137 
138 void LLVMAddStripSymbolsPass(LLVMPassManagerRef PM) {
139   unwrap(PM)->add(createStripSymbolsPass());
140 }
141