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