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   initializeMergeFunctionsPass(Registry);
47   initializePartialInlinerLegacyPassPass(Registry);
48   initializePostOrderFunctionAttrsLegacyPassPass(Registry);
49   initializeReversePostOrderFunctionAttrsLegacyPassPass(Registry);
50   initializePruneEHPass(Registry);
51   initializeIPSCCPLegacyPassPass(Registry);
52   initializeStripDeadPrototypesLegacyPassPass(Registry);
53   initializeStripSymbolsPass(Registry);
54   initializeStripDebugDeclarePass(Registry);
55   initializeStripDeadDebugInfoPass(Registry);
56   initializeStripNonDebugSymbolsPass(Registry);
57   initializeBarrierNoopPass(Registry);
58   initializeEliminateAvailableExternallyLegacyPassPass(Registry);
59   initializeSampleProfileLoaderLegacyPassPass(Registry);
60   initializeFunctionImportLegacyPassPass(Registry);
61   initializeWholeProgramDevirtPass(Registry);
62 }
63 
64 void LLVMInitializeIPO(LLVMPassRegistryRef R) {
65   initializeIPO(*unwrap(R));
66 }
67 
68 void LLVMAddArgumentPromotionPass(LLVMPassManagerRef PM) {
69   unwrap(PM)->add(createArgumentPromotionPass());
70 }
71 
72 void LLVMAddCalledValuePropagationPass(LLVMPassManagerRef PM) {
73   unwrap(PM)->add(createCalledValuePropagationPass());
74 }
75 
76 void LLVMAddConstantMergePass(LLVMPassManagerRef PM) {
77   unwrap(PM)->add(createConstantMergePass());
78 }
79 
80 void LLVMAddDeadArgEliminationPass(LLVMPassManagerRef PM) {
81   unwrap(PM)->add(createDeadArgEliminationPass());
82 }
83 
84 void LLVMAddFunctionAttrsPass(LLVMPassManagerRef PM) {
85   unwrap(PM)->add(createPostOrderFunctionAttrsLegacyPass());
86 }
87 
88 void LLVMAddFunctionInliningPass(LLVMPassManagerRef PM) {
89   unwrap(PM)->add(createFunctionInliningPass());
90 }
91 
92 void LLVMAddAlwaysInlinerPass(LLVMPassManagerRef PM) {
93   unwrap(PM)->add(llvm::createAlwaysInlinerLegacyPass());
94 }
95 
96 void LLVMAddGlobalDCEPass(LLVMPassManagerRef PM) {
97   unwrap(PM)->add(createGlobalDCEPass());
98 }
99 
100 void LLVMAddGlobalOptimizerPass(LLVMPassManagerRef PM) {
101   unwrap(PM)->add(createGlobalOptimizerPass());
102 }
103 
104 void LLVMAddIPConstantPropagationPass(LLVMPassManagerRef PM) {
105   unwrap(PM)->add(createIPConstantPropagationPass());
106 }
107 
108 void LLVMAddPruneEHPass(LLVMPassManagerRef PM) {
109   unwrap(PM)->add(createPruneEHPass());
110 }
111 
112 void LLVMAddIPSCCPPass(LLVMPassManagerRef PM) {
113   unwrap(PM)->add(createIPSCCPPass());
114 }
115 
116 void LLVMAddInternalizePass(LLVMPassManagerRef PM, unsigned AllButMain) {
117   auto PreserveMain = [=](const GlobalValue &GV) {
118     return AllButMain && GV.getName() == "main";
119   };
120   unwrap(PM)->add(createInternalizePass(PreserveMain));
121 }
122 
123 void LLVMAddStripDeadPrototypesPass(LLVMPassManagerRef PM) {
124   unwrap(PM)->add(createStripDeadPrototypesPass());
125 }
126 
127 void LLVMAddStripSymbolsPass(LLVMPassManagerRef PM) {
128   unwrap(PM)->add(createStripSymbolsPass());
129 }
130