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/Transforms/Scalar/SimpleLoopUnswitch.h"
25 #include "llvm/IR/DataLayout.h"
26 #include "llvm/IR/Verifier.h"
27 #include "llvm/InitializePasses.h"
28 #include "llvm/IR/LegacyPassManager.h"
29 
30 using namespace llvm;
31 
32 /// initializeScalarOptsPasses - Initialize all passes linked into the
33 /// ScalarOpts library.
34 void llvm::initializeScalarOpts(PassRegistry &Registry) {
35   initializeADCELegacyPassPass(Registry);
36   initializeBDCELegacyPassPass(Registry);
37   initializeAlignmentFromAssumptionsPass(Registry);
38   initializeConstantHoistingLegacyPassPass(Registry);
39   initializeConstantPropagationPass(Registry);
40   initializeCorrelatedValuePropagationPass(Registry);
41   initializeDCELegacyPassPass(Registry);
42   initializeDeadInstEliminationPass(Registry);
43   initializeScalarizerPass(Registry);
44   initializeDSELegacyPassPass(Registry);
45   initializeGuardWideningLegacyPassPass(Registry);
46   initializeGVNLegacyPassPass(Registry);
47   initializeNewGVNLegacyPassPass(Registry);
48   initializeEarlyCSELegacyPassPass(Registry);
49   initializeEarlyCSEMemSSALegacyPassPass(Registry);
50   initializeGVNHoistLegacyPassPass(Registry);
51   initializeGVNSinkLegacyPassPass(Registry);
52   initializeFlattenCFGPassPass(Registry);
53   initializeInductiveRangeCheckEliminationPass(Registry);
54   initializeIndVarSimplifyLegacyPassPass(Registry);
55   initializeInferAddressSpacesPass(Registry);
56   initializeJumpThreadingPass(Registry);
57   initializeLegacyLICMPassPass(Registry);
58   initializeLegacyLoopSinkPassPass(Registry);
59   initializeLoopDataPrefetchLegacyPassPass(Registry);
60   initializeLoopDeletionLegacyPassPass(Registry);
61   initializeLoopAccessLegacyAnalysisPass(Registry);
62   initializeLoopInstSimplifyLegacyPassPass(Registry);
63   initializeLoopInterchangePass(Registry);
64   initializeLoopPredicationLegacyPassPass(Registry);
65   initializeLoopRotateLegacyPassPass(Registry);
66   initializeLoopStrengthReducePass(Registry);
67   initializeLoopRerollPass(Registry);
68   initializeLoopUnrollPass(Registry);
69   initializeLoopUnswitchPass(Registry);
70   initializeLoopVersioningLICMPass(Registry);
71   initializeLoopIdiomRecognizeLegacyPassPass(Registry);
72   initializeLowerAtomicLegacyPassPass(Registry);
73   initializeLowerExpectIntrinsicPass(Registry);
74   initializeLowerGuardIntrinsicLegacyPassPass(Registry);
75   initializeMemCpyOptLegacyPassPass(Registry);
76   initializeMergedLoadStoreMotionLegacyPassPass(Registry);
77   initializeNaryReassociateLegacyPassPass(Registry);
78   initializePartiallyInlineLibCallsLegacyPassPass(Registry);
79   initializeReassociateLegacyPassPass(Registry);
80   initializeRegToMemPass(Registry);
81   initializeRewriteStatepointsForGCPass(Registry);
82   initializeSCCPLegacyPassPass(Registry);
83   initializeIPSCCPLegacyPassPass(Registry);
84   initializeSROALegacyPassPass(Registry);
85   initializeCFGSimplifyPassPass(Registry);
86   initializeLateCFGSimplifyPassPass(Registry);
87   initializeStructurizeCFGPass(Registry);
88   initializeSimpleLoopUnswitchLegacyPassPass(Registry);
89   initializeSinkingLegacyPassPass(Registry);
90   initializeTailCallElimPass(Registry);
91   initializeSeparateConstOffsetFromGEPPass(Registry);
92   initializeSpeculativeExecutionLegacyPassPass(Registry);
93   initializeStraightLineStrengthReducePass(Registry);
94   initializeLoadCombinePass(Registry);
95   initializePlaceBackedgeSafepointsImplPass(Registry);
96   initializePlaceSafepointsPass(Registry);
97   initializeFloat2IntLegacyPassPass(Registry);
98   initializeLoopDistributeLegacyPass(Registry);
99   initializeLoopLoadEliminationPass(Registry);
100   initializeLoopSimplifyCFGLegacyPassPass(Registry);
101   initializeLoopVersioningPassPass(Registry);
102 }
103 
104 void LLVMInitializeScalarOpts(LLVMPassRegistryRef R) {
105   initializeScalarOpts(*unwrap(R));
106 }
107 
108 void LLVMAddAggressiveDCEPass(LLVMPassManagerRef PM) {
109   unwrap(PM)->add(createAggressiveDCEPass());
110 }
111 
112 void LLVMAddBitTrackingDCEPass(LLVMPassManagerRef PM) {
113   unwrap(PM)->add(createBitTrackingDCEPass());
114 }
115 
116 void LLVMAddAlignmentFromAssumptionsPass(LLVMPassManagerRef PM) {
117   unwrap(PM)->add(createAlignmentFromAssumptionsPass());
118 }
119 
120 void LLVMAddCFGSimplificationPass(LLVMPassManagerRef PM) {
121   unwrap(PM)->add(createCFGSimplificationPass());
122 }
123 
124 void LLVMAddLateCFGSimplificationPass(LLVMPassManagerRef PM) {
125   unwrap(PM)->add(createLateCFGSimplificationPass());
126 }
127 
128 void LLVMAddDeadStoreEliminationPass(LLVMPassManagerRef PM) {
129   unwrap(PM)->add(createDeadStoreEliminationPass());
130 }
131 
132 void LLVMAddScalarizerPass(LLVMPassManagerRef PM) {
133   unwrap(PM)->add(createScalarizerPass());
134 }
135 
136 void LLVMAddGVNPass(LLVMPassManagerRef PM) {
137   unwrap(PM)->add(createGVNPass());
138 }
139 
140 void LLVMAddNewGVNPass(LLVMPassManagerRef PM) {
141   unwrap(PM)->add(createNewGVNPass());
142 }
143 
144 void LLVMAddMergedLoadStoreMotionPass(LLVMPassManagerRef PM) {
145   unwrap(PM)->add(createMergedLoadStoreMotionPass());
146 }
147 
148 void LLVMAddIndVarSimplifyPass(LLVMPassManagerRef PM) {
149   unwrap(PM)->add(createIndVarSimplifyPass());
150 }
151 
152 void LLVMAddInstructionCombiningPass(LLVMPassManagerRef PM) {
153   unwrap(PM)->add(createInstructionCombiningPass());
154 }
155 
156 void LLVMAddJumpThreadingPass(LLVMPassManagerRef PM) {
157   unwrap(PM)->add(createJumpThreadingPass());
158 }
159 
160 void LLVMAddLoopSinkPass(LLVMPassManagerRef PM) {
161   unwrap(PM)->add(createLoopSinkPass());
162 }
163 
164 void LLVMAddLICMPass(LLVMPassManagerRef PM) {
165   unwrap(PM)->add(createLICMPass());
166 }
167 
168 void LLVMAddLoopDeletionPass(LLVMPassManagerRef PM) {
169   unwrap(PM)->add(createLoopDeletionPass());
170 }
171 
172 void LLVMAddLoopIdiomPass(LLVMPassManagerRef PM) {
173   unwrap(PM)->add(createLoopIdiomPass());
174 }
175 
176 void LLVMAddLoopRotatePass(LLVMPassManagerRef PM) {
177   unwrap(PM)->add(createLoopRotatePass());
178 }
179 
180 void LLVMAddLoopRerollPass(LLVMPassManagerRef PM) {
181   unwrap(PM)->add(createLoopRerollPass());
182 }
183 
184 void LLVMAddLoopSimplifyCFGPass(LLVMPassManagerRef PM) {
185   unwrap(PM)->add(createLoopSimplifyCFGPass());
186 }
187 
188 void LLVMAddLoopUnrollPass(LLVMPassManagerRef PM) {
189   unwrap(PM)->add(createLoopUnrollPass());
190 }
191 
192 void LLVMAddLoopUnswitchPass(LLVMPassManagerRef PM) {
193   unwrap(PM)->add(createLoopUnswitchPass());
194 }
195 
196 void LLVMAddMemCpyOptPass(LLVMPassManagerRef PM) {
197   unwrap(PM)->add(createMemCpyOptPass());
198 }
199 
200 void LLVMAddPartiallyInlineLibCallsPass(LLVMPassManagerRef PM) {
201   unwrap(PM)->add(createPartiallyInlineLibCallsPass());
202 }
203 
204 void LLVMAddLowerSwitchPass(LLVMPassManagerRef PM) {
205   unwrap(PM)->add(createLowerSwitchPass());
206 }
207 
208 void LLVMAddPromoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
209   unwrap(PM)->add(createPromoteMemoryToRegisterPass());
210 }
211 
212 void LLVMAddReassociatePass(LLVMPassManagerRef PM) {
213   unwrap(PM)->add(createReassociatePass());
214 }
215 
216 void LLVMAddSCCPPass(LLVMPassManagerRef PM) {
217   unwrap(PM)->add(createSCCPPass());
218 }
219 
220 void LLVMAddScalarReplAggregatesPass(LLVMPassManagerRef PM) {
221   unwrap(PM)->add(createSROAPass());
222 }
223 
224 void LLVMAddScalarReplAggregatesPassSSA(LLVMPassManagerRef PM) {
225   unwrap(PM)->add(createSROAPass());
226 }
227 
228 void LLVMAddScalarReplAggregatesPassWithThreshold(LLVMPassManagerRef PM,
229                                                   int Threshold) {
230   unwrap(PM)->add(createSROAPass());
231 }
232 
233 void LLVMAddSimplifyLibCallsPass(LLVMPassManagerRef PM) {
234   // NOTE: The simplify-libcalls pass has been removed.
235 }
236 
237 void LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM) {
238   unwrap(PM)->add(createTailCallEliminationPass());
239 }
240 
241 void LLVMAddConstantPropagationPass(LLVMPassManagerRef PM) {
242   unwrap(PM)->add(createConstantPropagationPass());
243 }
244 
245 void LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
246   unwrap(PM)->add(createDemoteRegisterToMemoryPass());
247 }
248 
249 void LLVMAddVerifierPass(LLVMPassManagerRef PM) {
250   unwrap(PM)->add(createVerifierPass());
251 }
252 
253 void LLVMAddCorrelatedValuePropagationPass(LLVMPassManagerRef PM) {
254   unwrap(PM)->add(createCorrelatedValuePropagationPass());
255 }
256 
257 void LLVMAddEarlyCSEPass(LLVMPassManagerRef PM) {
258   unwrap(PM)->add(createEarlyCSEPass(false/*=UseMemorySSA*/));
259 }
260 
261 void LLVMAddEarlyCSEMemSSAPass(LLVMPassManagerRef PM) {
262   unwrap(PM)->add(createEarlyCSEPass(true/*=UseMemorySSA*/));
263 }
264 
265 void LLVMAddGVNHoistLegacyPass(LLVMPassManagerRef PM) {
266   unwrap(PM)->add(createGVNHoistPass());
267 }
268 
269 void LLVMAddTypeBasedAliasAnalysisPass(LLVMPassManagerRef PM) {
270   unwrap(PM)->add(createTypeBasedAAWrapperPass());
271 }
272 
273 void LLVMAddScopedNoAliasAAPass(LLVMPassManagerRef PM) {
274   unwrap(PM)->add(createScopedNoAliasAAWrapperPass());
275 }
276 
277 void LLVMAddBasicAliasAnalysisPass(LLVMPassManagerRef PM) {
278   unwrap(PM)->add(createBasicAAWrapperPass());
279 }
280 
281 void LLVMAddLowerExpectIntrinsicPass(LLVMPassManagerRef PM) {
282   unwrap(PM)->add(createLowerExpectIntrinsicPass());
283 }
284