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   initializeBDCEPass(Registry);
36   initializeAlignmentFromAssumptionsPass(Registry);
37   initializeConstantHoistingPass(Registry);
38   initializeConstantPropagationPass(Registry);
39   initializeCorrelatedValuePropagationPass(Registry);
40   initializeDCELegacyPassPass(Registry);
41   initializeDeadInstEliminationPass(Registry);
42   initializeScalarizerPass(Registry);
43   initializeDSEPass(Registry);
44   initializeGVNLegacyPassPass(Registry);
45   initializeEarlyCSELegacyPassPass(Registry);
46   initializeFlattenCFGPassPass(Registry);
47   initializeInductiveRangeCheckEliminationPass(Registry);
48   initializeIndVarSimplifyPass(Registry);
49   initializeJumpThreadingPass(Registry);
50   initializeLICMPass(Registry);
51   initializeLoopDataPrefetchPass(Registry);
52   initializeLoopDeletionPass(Registry);
53   initializeLoopAccessAnalysisPass(Registry);
54   initializeLoopInstSimplifyPass(Registry);
55   initializeLoopInterchangePass(Registry);
56   initializeLoopRotatePass(Registry);
57   initializeLoopStrengthReducePass(Registry);
58   initializeLoopRerollPass(Registry);
59   initializeLoopUnrollPass(Registry);
60   initializeLoopUnswitchPass(Registry);
61   initializeLoopVersioningLICMPass(Registry);
62   initializeLoopIdiomRecognizePass(Registry);
63   initializeLowerAtomicPass(Registry);
64   initializeLowerExpectIntrinsicPass(Registry);
65   initializeLowerGuardIntrinsicPass(Registry);
66   initializeMemCpyOptPass(Registry);
67   initializeMergedLoadStoreMotionPass(Registry);
68   initializeNaryReassociatePass(Registry);
69   initializePartiallyInlineLibCallsPass(Registry);
70   initializeReassociateLegacyPassPass(Registry);
71   initializeRegToMemPass(Registry);
72   initializeRewriteStatepointsForGCPass(Registry);
73   initializeSCCPPass(Registry);
74   initializeIPSCCPPass(Registry);
75   initializeSROALegacyPassPass(Registry);
76   initializeSROA_DTPass(Registry);
77   initializeSROA_SSAUpPass(Registry);
78   initializeCFGSimplifyPassPass(Registry);
79   initializeStructurizeCFGPass(Registry);
80   initializeSinkingLegacyPassPass(Registry);
81   initializeTailCallElimPass(Registry);
82   initializeSeparateConstOffsetFromGEPPass(Registry);
83   initializeSpeculativeExecutionPass(Registry);
84   initializeStraightLineStrengthReducePass(Registry);
85   initializeLoadCombinePass(Registry);
86   initializePlaceBackedgeSafepointsImplPass(Registry);
87   initializePlaceSafepointsPass(Registry);
88   initializeFloat2IntPass(Registry);
89   initializeLoopDistributePass(Registry);
90   initializeLoopLoadEliminationPass(Registry);
91   initializeLoopSimplifyCFGPass(Registry);
92   initializeLoopVersioningPassPass(Registry);
93 }
94 
95 void LLVMInitializeScalarOpts(LLVMPassRegistryRef R) {
96   initializeScalarOpts(*unwrap(R));
97 }
98 
99 void LLVMAddAggressiveDCEPass(LLVMPassManagerRef PM) {
100   unwrap(PM)->add(createAggressiveDCEPass());
101 }
102 
103 void LLVMAddBitTrackingDCEPass(LLVMPassManagerRef PM) {
104   unwrap(PM)->add(createBitTrackingDCEPass());
105 }
106 
107 void LLVMAddAlignmentFromAssumptionsPass(LLVMPassManagerRef PM) {
108   unwrap(PM)->add(createAlignmentFromAssumptionsPass());
109 }
110 
111 void LLVMAddCFGSimplificationPass(LLVMPassManagerRef PM) {
112   unwrap(PM)->add(createCFGSimplificationPass());
113 }
114 
115 void LLVMAddDeadStoreEliminationPass(LLVMPassManagerRef PM) {
116   unwrap(PM)->add(createDeadStoreEliminationPass());
117 }
118 
119 void LLVMAddScalarizerPass(LLVMPassManagerRef PM) {
120   unwrap(PM)->add(createScalarizerPass());
121 }
122 
123 void LLVMAddGVNPass(LLVMPassManagerRef PM) {
124   unwrap(PM)->add(createGVNPass());
125 }
126 
127 void LLVMAddMergedLoadStoreMotionPass(LLVMPassManagerRef PM) {
128   unwrap(PM)->add(createMergedLoadStoreMotionPass());
129 }
130 
131 void LLVMAddIndVarSimplifyPass(LLVMPassManagerRef PM) {
132   unwrap(PM)->add(createIndVarSimplifyPass());
133 }
134 
135 void LLVMAddInstructionCombiningPass(LLVMPassManagerRef PM) {
136   unwrap(PM)->add(createInstructionCombiningPass());
137 }
138 
139 void LLVMAddJumpThreadingPass(LLVMPassManagerRef PM) {
140   unwrap(PM)->add(createJumpThreadingPass());
141 }
142 
143 void LLVMAddLICMPass(LLVMPassManagerRef PM) {
144   unwrap(PM)->add(createLICMPass());
145 }
146 
147 void LLVMAddLoopDeletionPass(LLVMPassManagerRef PM) {
148   unwrap(PM)->add(createLoopDeletionPass());
149 }
150 
151 void LLVMAddLoopIdiomPass(LLVMPassManagerRef PM) {
152   unwrap(PM)->add(createLoopIdiomPass());
153 }
154 
155 void LLVMAddLoopRotatePass(LLVMPassManagerRef PM) {
156   unwrap(PM)->add(createLoopRotatePass());
157 }
158 
159 void LLVMAddLoopRerollPass(LLVMPassManagerRef PM) {
160   unwrap(PM)->add(createLoopRerollPass());
161 }
162 
163 void LLVMAddLoopSimplifyCFGPass(LLVMPassManagerRef PM) {
164   unwrap(PM)->add(createLoopSimplifyCFGPass());
165 }
166 
167 void LLVMAddLoopUnrollPass(LLVMPassManagerRef PM) {
168   unwrap(PM)->add(createLoopUnrollPass());
169 }
170 
171 void LLVMAddLoopUnswitchPass(LLVMPassManagerRef PM) {
172   unwrap(PM)->add(createLoopUnswitchPass());
173 }
174 
175 void LLVMAddMemCpyOptPass(LLVMPassManagerRef PM) {
176   unwrap(PM)->add(createMemCpyOptPass());
177 }
178 
179 void LLVMAddPartiallyInlineLibCallsPass(LLVMPassManagerRef PM) {
180   unwrap(PM)->add(createPartiallyInlineLibCallsPass());
181 }
182 
183 void LLVMAddLowerSwitchPass(LLVMPassManagerRef PM) {
184   unwrap(PM)->add(createLowerSwitchPass());
185 }
186 
187 void LLVMAddPromoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
188   unwrap(PM)->add(createPromoteMemoryToRegisterPass());
189 }
190 
191 void LLVMAddReassociatePass(LLVMPassManagerRef PM) {
192   unwrap(PM)->add(createReassociatePass());
193 }
194 
195 void LLVMAddSCCPPass(LLVMPassManagerRef PM) {
196   unwrap(PM)->add(createSCCPPass());
197 }
198 
199 void LLVMAddScalarReplAggregatesPass(LLVMPassManagerRef PM) {
200   unwrap(PM)->add(createScalarReplAggregatesPass());
201 }
202 
203 void LLVMAddScalarReplAggregatesPassSSA(LLVMPassManagerRef PM) {
204   unwrap(PM)->add(createScalarReplAggregatesPass(-1, false));
205 }
206 
207 void LLVMAddScalarReplAggregatesPassWithThreshold(LLVMPassManagerRef PM,
208                                                   int Threshold) {
209   unwrap(PM)->add(createScalarReplAggregatesPass(Threshold));
210 }
211 
212 void LLVMAddSimplifyLibCallsPass(LLVMPassManagerRef PM) {
213   // NOTE: The simplify-libcalls pass has been removed.
214 }
215 
216 void LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM) {
217   unwrap(PM)->add(createTailCallEliminationPass());
218 }
219 
220 void LLVMAddConstantPropagationPass(LLVMPassManagerRef PM) {
221   unwrap(PM)->add(createConstantPropagationPass());
222 }
223 
224 void LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
225   unwrap(PM)->add(createDemoteRegisterToMemoryPass());
226 }
227 
228 void LLVMAddVerifierPass(LLVMPassManagerRef PM) {
229   unwrap(PM)->add(createVerifierPass());
230 }
231 
232 void LLVMAddCorrelatedValuePropagationPass(LLVMPassManagerRef PM) {
233   unwrap(PM)->add(createCorrelatedValuePropagationPass());
234 }
235 
236 void LLVMAddEarlyCSEPass(LLVMPassManagerRef PM) {
237   unwrap(PM)->add(createEarlyCSEPass());
238 }
239 
240 void LLVMAddTypeBasedAliasAnalysisPass(LLVMPassManagerRef PM) {
241   unwrap(PM)->add(createTypeBasedAAWrapperPass());
242 }
243 
244 void LLVMAddScopedNoAliasAAPass(LLVMPassManagerRef PM) {
245   unwrap(PM)->add(createScopedNoAliasAAWrapperPass());
246 }
247 
248 void LLVMAddBasicAliasAnalysisPass(LLVMPassManagerRef PM) {
249   unwrap(PM)->add(createBasicAAWrapperPass());
250 }
251 
252 void LLVMAddLowerExpectIntrinsicPass(LLVMPassManagerRef PM) {
253   unwrap(PM)->add(createLowerExpectIntrinsicPass());
254 }
255