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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/Passes.h"
20 #include "llvm/IR/DataLayout.h"
21 #include "llvm/IR/Verifier.h"
22 #include "llvm/InitializePasses.h"
23 #include "llvm/PassManager.h"
24 
25 using namespace llvm;
26 
27 /// initializeScalarOptsPasses - Initialize all passes linked into the
28 /// ScalarOpts library.
initializeScalarOpts(PassRegistry & Registry)29 void llvm::initializeScalarOpts(PassRegistry &Registry) {
30   initializeADCEPass(Registry);
31   initializeSampleProfileLoaderPass(Registry);
32   initializeConstantHoistingPass(Registry);
33   initializeConstantPropagationPass(Registry);
34   initializeCorrelatedValuePropagationPass(Registry);
35   initializeDCEPass(Registry);
36   initializeDeadInstEliminationPass(Registry);
37   initializeScalarizerPass(Registry);
38   initializeDSEPass(Registry);
39   initializeGVNPass(Registry);
40   initializeEarlyCSEPass(Registry);
41   initializeIndVarSimplifyPass(Registry);
42   initializeJumpThreadingPass(Registry);
43   initializeLICMPass(Registry);
44   initializeLoopDeletionPass(Registry);
45   initializeLoopInstSimplifyPass(Registry);
46   initializeLoopRotatePass(Registry);
47   initializeLoopStrengthReducePass(Registry);
48   initializeLoopRerollPass(Registry);
49   initializeLoopUnrollPass(Registry);
50   initializeLoopUnswitchPass(Registry);
51   initializeLoopIdiomRecognizePass(Registry);
52   initializeLowerAtomicPass(Registry);
53   initializeLowerExpectIntrinsicPass(Registry);
54   initializeMemCpyOptPass(Registry);
55   initializePartiallyInlineLibCallsPass(Registry);
56   initializeReassociatePass(Registry);
57   initializeRegToMemPass(Registry);
58   initializeSCCPPass(Registry);
59   initializeIPSCCPPass(Registry);
60   initializeSROAPass(Registry);
61   initializeSROA_DTPass(Registry);
62   initializeSROA_SSAUpPass(Registry);
63   initializeCFGSimplifyPassPass(Registry);
64   initializeStructurizeCFGPass(Registry);
65   initializeSinkingPass(Registry);
66   initializeTailCallElimPass(Registry);
67   initializeSeparateConstOffsetFromGEPPass(Registry);
68   initializeLoadCombinePass(Registry);
69 }
70 
LLVMInitializeScalarOpts(LLVMPassRegistryRef R)71 void LLVMInitializeScalarOpts(LLVMPassRegistryRef R) {
72   initializeScalarOpts(*unwrap(R));
73 }
74 
LLVMAddAggressiveDCEPass(LLVMPassManagerRef PM)75 void LLVMAddAggressiveDCEPass(LLVMPassManagerRef PM) {
76   unwrap(PM)->add(createAggressiveDCEPass());
77 }
78 
LLVMAddCFGSimplificationPass(LLVMPassManagerRef PM)79 void LLVMAddCFGSimplificationPass(LLVMPassManagerRef PM) {
80   unwrap(PM)->add(createCFGSimplificationPass());
81 }
82 
LLVMAddDeadStoreEliminationPass(LLVMPassManagerRef PM)83 void LLVMAddDeadStoreEliminationPass(LLVMPassManagerRef PM) {
84   unwrap(PM)->add(createDeadStoreEliminationPass());
85 }
86 
LLVMAddScalarizerPass(LLVMPassManagerRef PM)87 void LLVMAddScalarizerPass(LLVMPassManagerRef PM) {
88   unwrap(PM)->add(createScalarizerPass());
89 }
90 
LLVMAddGVNPass(LLVMPassManagerRef PM)91 void LLVMAddGVNPass(LLVMPassManagerRef PM) {
92   unwrap(PM)->add(createGVNPass());
93 }
94 
LLVMAddIndVarSimplifyPass(LLVMPassManagerRef PM)95 void LLVMAddIndVarSimplifyPass(LLVMPassManagerRef PM) {
96   unwrap(PM)->add(createIndVarSimplifyPass());
97 }
98 
LLVMAddInstructionCombiningPass(LLVMPassManagerRef PM)99 void LLVMAddInstructionCombiningPass(LLVMPassManagerRef PM) {
100   unwrap(PM)->add(createInstructionCombiningPass());
101 }
102 
LLVMAddJumpThreadingPass(LLVMPassManagerRef PM)103 void LLVMAddJumpThreadingPass(LLVMPassManagerRef PM) {
104   unwrap(PM)->add(createJumpThreadingPass());
105 }
106 
LLVMAddLICMPass(LLVMPassManagerRef PM)107 void LLVMAddLICMPass(LLVMPassManagerRef PM) {
108   unwrap(PM)->add(createLICMPass());
109 }
110 
LLVMAddLoopDeletionPass(LLVMPassManagerRef PM)111 void LLVMAddLoopDeletionPass(LLVMPassManagerRef PM) {
112   unwrap(PM)->add(createLoopDeletionPass());
113 }
114 
LLVMAddLoopIdiomPass(LLVMPassManagerRef PM)115 void LLVMAddLoopIdiomPass(LLVMPassManagerRef PM) {
116   unwrap(PM)->add(createLoopIdiomPass());
117 }
118 
LLVMAddLoopRotatePass(LLVMPassManagerRef PM)119 void LLVMAddLoopRotatePass(LLVMPassManagerRef PM) {
120   unwrap(PM)->add(createLoopRotatePass());
121 }
122 
LLVMAddLoopRerollPass(LLVMPassManagerRef PM)123 void LLVMAddLoopRerollPass(LLVMPassManagerRef PM) {
124   unwrap(PM)->add(createLoopRerollPass());
125 }
126 
LLVMAddLoopUnrollPass(LLVMPassManagerRef PM)127 void LLVMAddLoopUnrollPass(LLVMPassManagerRef PM) {
128   unwrap(PM)->add(createLoopUnrollPass());
129 }
130 
LLVMAddLoopUnswitchPass(LLVMPassManagerRef PM)131 void LLVMAddLoopUnswitchPass(LLVMPassManagerRef PM) {
132   unwrap(PM)->add(createLoopUnswitchPass());
133 }
134 
LLVMAddMemCpyOptPass(LLVMPassManagerRef PM)135 void LLVMAddMemCpyOptPass(LLVMPassManagerRef PM) {
136   unwrap(PM)->add(createMemCpyOptPass());
137 }
138 
LLVMAddPartiallyInlineLibCallsPass(LLVMPassManagerRef PM)139 void LLVMAddPartiallyInlineLibCallsPass(LLVMPassManagerRef PM) {
140   unwrap(PM)->add(createPartiallyInlineLibCallsPass());
141 }
142 
LLVMAddPromoteMemoryToRegisterPass(LLVMPassManagerRef PM)143 void LLVMAddPromoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
144   unwrap(PM)->add(createPromoteMemoryToRegisterPass());
145 }
146 
LLVMAddReassociatePass(LLVMPassManagerRef PM)147 void LLVMAddReassociatePass(LLVMPassManagerRef PM) {
148   unwrap(PM)->add(createReassociatePass());
149 }
150 
LLVMAddSCCPPass(LLVMPassManagerRef PM)151 void LLVMAddSCCPPass(LLVMPassManagerRef PM) {
152   unwrap(PM)->add(createSCCPPass());
153 }
154 
LLVMAddScalarReplAggregatesPass(LLVMPassManagerRef PM)155 void LLVMAddScalarReplAggregatesPass(LLVMPassManagerRef PM) {
156   unwrap(PM)->add(createScalarReplAggregatesPass());
157 }
158 
LLVMAddScalarReplAggregatesPassSSA(LLVMPassManagerRef PM)159 void LLVMAddScalarReplAggregatesPassSSA(LLVMPassManagerRef PM) {
160   unwrap(PM)->add(createScalarReplAggregatesPass(-1, false));
161 }
162 
LLVMAddScalarReplAggregatesPassWithThreshold(LLVMPassManagerRef PM,int Threshold)163 void LLVMAddScalarReplAggregatesPassWithThreshold(LLVMPassManagerRef PM,
164                                                   int Threshold) {
165   unwrap(PM)->add(createScalarReplAggregatesPass(Threshold));
166 }
167 
LLVMAddSimplifyLibCallsPass(LLVMPassManagerRef PM)168 void LLVMAddSimplifyLibCallsPass(LLVMPassManagerRef PM) {
169   // NOTE: The simplify-libcalls pass has been removed.
170 }
171 
LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM)172 void LLVMAddTailCallEliminationPass(LLVMPassManagerRef PM) {
173   unwrap(PM)->add(createTailCallEliminationPass());
174 }
175 
LLVMAddConstantPropagationPass(LLVMPassManagerRef PM)176 void LLVMAddConstantPropagationPass(LLVMPassManagerRef PM) {
177   unwrap(PM)->add(createConstantPropagationPass());
178 }
179 
LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM)180 void LLVMAddDemoteMemoryToRegisterPass(LLVMPassManagerRef PM) {
181   unwrap(PM)->add(createDemoteRegisterToMemoryPass());
182 }
183 
LLVMAddVerifierPass(LLVMPassManagerRef PM)184 void LLVMAddVerifierPass(LLVMPassManagerRef PM) {
185   unwrap(PM)->add(createVerifierPass());
186   // FIXME: should this also add createDebugInfoVerifierPass()?
187 }
188 
LLVMAddCorrelatedValuePropagationPass(LLVMPassManagerRef PM)189 void LLVMAddCorrelatedValuePropagationPass(LLVMPassManagerRef PM) {
190   unwrap(PM)->add(createCorrelatedValuePropagationPass());
191 }
192 
LLVMAddEarlyCSEPass(LLVMPassManagerRef PM)193 void LLVMAddEarlyCSEPass(LLVMPassManagerRef PM) {
194   unwrap(PM)->add(createEarlyCSEPass());
195 }
196 
LLVMAddTypeBasedAliasAnalysisPass(LLVMPassManagerRef PM)197 void LLVMAddTypeBasedAliasAnalysisPass(LLVMPassManagerRef PM) {
198   unwrap(PM)->add(createTypeBasedAliasAnalysisPass());
199 }
200 
LLVMAddBasicAliasAnalysisPass(LLVMPassManagerRef PM)201 void LLVMAddBasicAliasAnalysisPass(LLVMPassManagerRef PM) {
202   unwrap(PM)->add(createBasicAliasAnalysisPass());
203 }
204 
LLVMAddLowerExpectIntrinsicPass(LLVMPassManagerRef PM)205 void LLVMAddLowerExpectIntrinsicPass(LLVMPassManagerRef PM) {
206   unwrap(PM)->add(createLowerExpectIntrinsicPass());
207 }
208