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1 //===-- Scalar.cpp --------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements common infrastructure for libLLVMScalarOpts.a, which
11 // implements several scalar transformations over the LLVM intermediate
12 // representation, including the C bindings for that library.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #include "llvm/Transforms/Scalar.h"
17 #include "llvm-c/Initialization.h"
18 #include "llvm-c/Transforms/Scalar.h"
19 #include "llvm/Analysis/BasicAliasAnalysis.h"
20 #include "llvm/Analysis/Passes.h"
21 #include "llvm/Analysis/ScopedNoAliasAA.h"
22 #include "llvm/Analysis/TypeBasedAliasAnalysis.h"
23 #include "llvm/Transforms/Scalar/GVN.h"
24 #include "llvm/IR/DataLayout.h"
25 #include "llvm/IR/Verifier.h"
26 #include "llvm/InitializePasses.h"
27 #include "llvm/IR/LegacyPassManager.h"
28 
29 using namespace llvm;
30 
31 /// initializeScalarOptsPasses - Initialize all passes linked into the
32 /// ScalarOpts library.
initializeScalarOpts(PassRegistry & Registry)33 void llvm::initializeScalarOpts(PassRegistry &Registry) {
34   initializeADCELegacyPassPass(Registry);
35   initializeBDCELegacyPassPass(Registry);
36   initializeAlignmentFromAssumptionsPass(Registry);
37   initializeConstantHoistingLegacyPassPass(Registry);
38   initializeConstantPropagationPass(Registry);
39   initializeCorrelatedValuePropagationPass(Registry);
40   initializeDCELegacyPassPass(Registry);
41   initializeDeadInstEliminationPass(Registry);
42   initializeScalarizerPass(Registry);
43   initializeDSELegacyPassPass(Registry);
44   initializeGuardWideningLegacyPassPass(Registry);
45   initializeGVNLegacyPassPass(Registry);
46   initializeEarlyCSELegacyPassPass(Registry);
47   initializeFlattenCFGPassPass(Registry);
48   initializeInductiveRangeCheckEliminationPass(Registry);
49   initializeIndVarSimplifyLegacyPassPass(Registry);
50   initializeJumpThreadingPass(Registry);
51   initializeLegacyLICMPassPass(Registry);
52   initializeLoopDataPrefetchPass(Registry);
53   initializeLoopDeletionLegacyPassPass(Registry);
54   initializeLoopAccessLegacyAnalysisPass(Registry);
55   initializeLoopInstSimplifyPass(Registry);
56   initializeLoopInterchangePass(Registry);
57   initializeLoopRotateLegacyPassPass(Registry);
58   initializeLoopStrengthReducePass(Registry);
59   initializeLoopRerollPass(Registry);
60   initializeLoopUnrollPass(Registry);
61   initializeLoopUnswitchPass(Registry);
62   initializeLoopVersioningLICMPass(Registry);
63   initializeLoopIdiomRecognizeLegacyPassPass(Registry);
64   initializeLowerAtomicLegacyPassPass(Registry);
65   initializeLowerExpectIntrinsicPass(Registry);
66   initializeLowerGuardIntrinsicPass(Registry);
67   initializeMemCpyOptLegacyPassPass(Registry);
68   initializeMergedLoadStoreMotionLegacyPassPass(Registry);
69   initializeNaryReassociatePass(Registry);
70   initializePartiallyInlineLibCallsLegacyPassPass(Registry);
71   initializeReassociateLegacyPassPass(Registry);
72   initializeRegToMemPass(Registry);
73   initializeRewriteStatepointsForGCPass(Registry);
74   initializeSCCPLegacyPassPass(Registry);
75   initializeIPSCCPLegacyPassPass(Registry);
76   initializeSROALegacyPassPass(Registry);
77   initializeCFGSimplifyPassPass(Registry);
78   initializeStructurizeCFGPass(Registry);
79   initializeSinkingLegacyPassPass(Registry);
80   initializeTailCallElimPass(Registry);
81   initializeSeparateConstOffsetFromGEPPass(Registry);
82   initializeSpeculativeExecutionPass(Registry);
83   initializeStraightLineStrengthReducePass(Registry);
84   initializeLoadCombinePass(Registry);
85   initializePlaceBackedgeSafepointsImplPass(Registry);
86   initializePlaceSafepointsPass(Registry);
87   initializeFloat2IntLegacyPassPass(Registry);
88   initializeLoopDistributePass(Registry);
89   initializeLoopLoadEliminationPass(Registry);
90   initializeLoopSimplifyCFGLegacyPassPass(Registry);
91   initializeLoopVersioningPassPass(Registry);
92 }
93 
LLVMInitializeScalarOpts(LLVMPassRegistryRef R)94 void LLVMInitializeScalarOpts(LLVMPassRegistryRef R) {
95   initializeScalarOpts(*unwrap(R));
96 }
97 
LLVMAddAggressiveDCEPass(LLVMPassManagerRef PM)98 void LLVMAddAggressiveDCEPass(LLVMPassManagerRef PM) {
99   unwrap(PM)->add(createAggressiveDCEPass());
100 }
101 
LLVMAddBitTrackingDCEPass(LLVMPassManagerRef PM)102 void LLVMAddBitTrackingDCEPass(LLVMPassManagerRef PM) {
103   unwrap(PM)->add(createBitTrackingDCEPass());
104 }
105 
LLVMAddAlignmentFromAssumptionsPass(LLVMPassManagerRef PM)106 void LLVMAddAlignmentFromAssumptionsPass(LLVMPassManagerRef PM) {
107   unwrap(PM)->add(createAlignmentFromAssumptionsPass());
108 }
109 
LLVMAddCFGSimplificationPass(LLVMPassManagerRef PM)110 void LLVMAddCFGSimplificationPass(LLVMPassManagerRef PM) {
111   unwrap(PM)->add(createCFGSimplificationPass());
112 }
113 
LLVMAddDeadStoreEliminationPass(LLVMPassManagerRef PM)114 void LLVMAddDeadStoreEliminationPass(LLVMPassManagerRef PM) {
115   unwrap(PM)->add(createDeadStoreEliminationPass());
116 }
117 
LLVMAddScalarizerPass(LLVMPassManagerRef PM)118 void LLVMAddScalarizerPass(LLVMPassManagerRef PM) {
119   unwrap(PM)->add(createScalarizerPass());
120 }
121 
LLVMAddGVNPass(LLVMPassManagerRef PM)122 void LLVMAddGVNPass(LLVMPassManagerRef PM) {
123   unwrap(PM)->add(createGVNPass());
124 }
125 
LLVMAddMergedLoadStoreMotionPass(LLVMPassManagerRef PM)126 void LLVMAddMergedLoadStoreMotionPass(LLVMPassManagerRef PM) {
127   unwrap(PM)->add(createMergedLoadStoreMotionPass());
128 }
129 
LLVMAddIndVarSimplifyPass(LLVMPassManagerRef PM)130 void LLVMAddIndVarSimplifyPass(LLVMPassManagerRef PM) {
131   unwrap(PM)->add(createIndVarSimplifyPass());
132 }
133 
LLVMAddInstructionCombiningPass(LLVMPassManagerRef PM)134 void LLVMAddInstructionCombiningPass(LLVMPassManagerRef PM) {
135   unwrap(PM)->add(createInstructionCombiningPass());
136 }
137 
LLVMAddJumpThreadingPass(LLVMPassManagerRef PM)138 void LLVMAddJumpThreadingPass(LLVMPassManagerRef PM) {
139   unwrap(PM)->add(createJumpThreadingPass());
140 }
141 
LLVMAddLICMPass(LLVMPassManagerRef PM)142 void LLVMAddLICMPass(LLVMPassManagerRef PM) {
143   unwrap(PM)->add(createLICMPass());
144 }
145 
LLVMAddLoopDeletionPass(LLVMPassManagerRef PM)146 void LLVMAddLoopDeletionPass(LLVMPassManagerRef PM) {
147   unwrap(PM)->add(createLoopDeletionPass());
148 }
149 
LLVMAddLoopIdiomPass(LLVMPassManagerRef PM)150 void LLVMAddLoopIdiomPass(LLVMPassManagerRef PM) {
151   unwrap(PM)->add(createLoopIdiomPass());
152 }
153 
LLVMAddLoopRotatePass(LLVMPassManagerRef PM)154 void LLVMAddLoopRotatePass(LLVMPassManagerRef PM) {
155   unwrap(PM)->add(createLoopRotatePass());
156 }
157 
LLVMAddLoopRerollPass(LLVMPassManagerRef PM)158 void LLVMAddLoopRerollPass(LLVMPassManagerRef PM) {
159   unwrap(PM)->add(createLoopRerollPass());
160 }
161 
LLVMAddLoopSimplifyCFGPass(LLVMPassManagerRef PM)162 void LLVMAddLoopSimplifyCFGPass(LLVMPassManagerRef PM) {
163   unwrap(PM)->add(createLoopSimplifyCFGPass());
164 }
165 
LLVMAddLoopUnrollPass(LLVMPassManagerRef PM)166 void LLVMAddLoopUnrollPass(LLVMPassManagerRef PM) {
167   unwrap(PM)->add(createLoopUnrollPass());
168 }
169 
LLVMAddLoopUnswitchPass(LLVMPassManagerRef PM)170 void LLVMAddLoopUnswitchPass(LLVMPassManagerRef PM) {
171   unwrap(PM)->add(createLoopUnswitchPass());
172 }
173 
LLVMAddMemCpyOptPass(LLVMPassManagerRef PM)174 void LLVMAddMemCpyOptPass(LLVMPassManagerRef PM) {
175   unwrap(PM)->add(createMemCpyOptPass());
176 }
177 
LLVMAddPartiallyInlineLibCallsPass(LLVMPassManagerRef PM)178 void LLVMAddPartiallyInlineLibCallsPass(LLVMPassManagerRef PM) {
179   unwrap(PM)->add(createPartiallyInlineLibCallsPass());
180 }
181 
LLVMAddLowerSwitchPass(LLVMPassManagerRef PM)182 void LLVMAddLowerSwitchPass(LLVMPassManagerRef PM) {
183   unwrap(PM)->add(createLowerSwitchPass());
184 }
185 
LLVMAddPromoteMemoryToRegisterPass(LLVMPassManagerRef PM)186 void LLVMAddPromoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
187   unwrap(PM)->add(createPromoteMemoryToRegisterPass());
188 }
189 
LLVMAddReassociatePass(LLVMPassManagerRef PM)190 void LLVMAddReassociatePass(LLVMPassManagerRef PM) {
191   unwrap(PM)->add(createReassociatePass());
192 }
193 
LLVMAddSCCPPass(LLVMPassManagerRef PM)194 void LLVMAddSCCPPass(LLVMPassManagerRef PM) {
195   unwrap(PM)->add(createSCCPPass());
196 }
197 
LLVMAddScalarReplAggregatesPass(LLVMPassManagerRef PM)198 void LLVMAddScalarReplAggregatesPass(LLVMPassManagerRef PM) {
199   unwrap(PM)->add(createSROAPass());
200 }
201 
LLVMAddScalarReplAggregatesPassSSA(LLVMPassManagerRef PM)202 void LLVMAddScalarReplAggregatesPassSSA(LLVMPassManagerRef PM) {
203   unwrap(PM)->add(createSROAPass());
204 }
205 
LLVMAddScalarReplAggregatesPassWithThreshold(LLVMPassManagerRef PM,int Threshold)206 void LLVMAddScalarReplAggregatesPassWithThreshold(LLVMPassManagerRef PM,
207                                                   int Threshold) {
208   unwrap(PM)->add(createSROAPass());
209 }
210 
LLVMAddSimplifyLibCallsPass(LLVMPassManagerRef PM)211 void LLVMAddSimplifyLibCallsPass(LLVMPassManagerRef PM) {
212   // NOTE: The simplify-libcalls pass has been removed.
213 }
214 
LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM)215 void LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM) {
216   unwrap(PM)->add(createTailCallEliminationPass());
217 }
218 
LLVMAddConstantPropagationPass(LLVMPassManagerRef PM)219 void LLVMAddConstantPropagationPass(LLVMPassManagerRef PM) {
220   unwrap(PM)->add(createConstantPropagationPass());
221 }
222 
LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM)223 void LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
224   unwrap(PM)->add(createDemoteRegisterToMemoryPass());
225 }
226 
LLVMAddVerifierPass(LLVMPassManagerRef PM)227 void LLVMAddVerifierPass(LLVMPassManagerRef PM) {
228   unwrap(PM)->add(createVerifierPass());
229 }
230 
LLVMAddCorrelatedValuePropagationPass(LLVMPassManagerRef PM)231 void LLVMAddCorrelatedValuePropagationPass(LLVMPassManagerRef PM) {
232   unwrap(PM)->add(createCorrelatedValuePropagationPass());
233 }
234 
LLVMAddEarlyCSEPass(LLVMPassManagerRef PM)235 void LLVMAddEarlyCSEPass(LLVMPassManagerRef PM) {
236   unwrap(PM)->add(createEarlyCSEPass());
237 }
238 
LLVMAddTypeBasedAliasAnalysisPass(LLVMPassManagerRef PM)239 void LLVMAddTypeBasedAliasAnalysisPass(LLVMPassManagerRef PM) {
240   unwrap(PM)->add(createTypeBasedAAWrapperPass());
241 }
242 
LLVMAddScopedNoAliasAAPass(LLVMPassManagerRef PM)243 void LLVMAddScopedNoAliasAAPass(LLVMPassManagerRef PM) {
244   unwrap(PM)->add(createScopedNoAliasAAWrapperPass());
245 }
246 
LLVMAddBasicAliasAnalysisPass(LLVMPassManagerRef PM)247 void LLVMAddBasicAliasAnalysisPass(LLVMPassManagerRef PM) {
248   unwrap(PM)->add(createBasicAAWrapperPass());
249 }
250 
LLVMAddLowerExpectIntrinsicPass(LLVMPassManagerRef PM)251 void LLVMAddLowerExpectIntrinsicPass(LLVMPassManagerRef PM) {
252   unwrap(PM)->add(createLowerExpectIntrinsicPass());
253 }
254