Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 1 | //===--- TransRetainReleaseDealloc.cpp - Tranformations to ARC mode -------===// |
| 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 | // removeRetainReleaseDealloc: |
| 11 | // |
| 12 | // Removes retain/release/autorelease/dealloc messages. |
| 13 | // |
| 14 | // return [[foo retain] autorelease]; |
| 15 | // ----> |
| 16 | // return foo; |
| 17 | // |
| 18 | //===----------------------------------------------------------------------===// |
| 19 | |
| 20 | #include "Transforms.h" |
| 21 | #include "Internals.h" |
Benjamin Kramer | 471c8b4 | 2012-07-04 20:19:54 +0000 | [diff] [blame] | 22 | #include "clang/AST/ASTContext.h" |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 23 | #include "clang/AST/ParentMap.h" |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 24 | #include "clang/Basic/SourceManager.h" |
Benjamin Kramer | 471c8b4 | 2012-07-04 20:19:54 +0000 | [diff] [blame] | 25 | #include "clang/Lex/Lexer.h" |
| 26 | #include "clang/Sema/SemaDiagnostic.h" |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 27 | |
| 28 | using namespace clang; |
| 29 | using namespace arcmt; |
| 30 | using namespace trans; |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 31 | |
| 32 | namespace { |
| 33 | |
| 34 | class RetainReleaseDeallocRemover : |
| 35 | public RecursiveASTVisitor<RetainReleaseDeallocRemover> { |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 36 | Stmt *Body; |
| 37 | MigrationPass &Pass; |
| 38 | |
| 39 | ExprSet Removables; |
Dylan Noblesmith | 6f42b62 | 2012-02-05 02:12:40 +0000 | [diff] [blame] | 40 | OwningPtr<ParentMap> StmtMap; |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 41 | |
Argyrios Kyrtzidis | e7ef855 | 2011-11-04 15:58:22 +0000 | [diff] [blame] | 42 | Selector DelegateSel, FinalizeSel; |
Argyrios Kyrtzidis | 82a921a | 2011-07-15 23:48:56 +0000 | [diff] [blame] | 43 | |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 44 | public: |
Argyrios Kyrtzidis | b1094a0 | 2011-06-23 21:21:33 +0000 | [diff] [blame] | 45 | RetainReleaseDeallocRemover(MigrationPass &pass) |
Argyrios Kyrtzidis | 82a921a | 2011-07-15 23:48:56 +0000 | [diff] [blame] | 46 | : Body(0), Pass(pass) { |
| 47 | DelegateSel = |
| 48 | Pass.Ctx.Selectors.getNullarySelector(&Pass.Ctx.Idents.get("delegate")); |
Argyrios Kyrtzidis | e7ef855 | 2011-11-04 15:58:22 +0000 | [diff] [blame] | 49 | FinalizeSel = |
| 50 | Pass.Ctx.Selectors.getNullarySelector(&Pass.Ctx.Idents.get("finalize")); |
Argyrios Kyrtzidis | 82a921a | 2011-07-15 23:48:56 +0000 | [diff] [blame] | 51 | } |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 52 | |
Argyrios Kyrtzidis | 76a5245 | 2012-06-07 00:44:06 +0000 | [diff] [blame] | 53 | void transformBody(Stmt *body, Decl *ParentD) { |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 54 | Body = body; |
| 55 | collectRemovables(body, Removables); |
| 56 | StmtMap.reset(new ParentMap(body)); |
| 57 | TraverseStmt(body); |
| 58 | } |
| 59 | |
| 60 | bool VisitObjCMessageExpr(ObjCMessageExpr *E) { |
| 61 | switch (E->getMethodFamily()) { |
| 62 | default: |
Argyrios Kyrtzidis | e7ef855 | 2011-11-04 15:58:22 +0000 | [diff] [blame] | 63 | if (E->isInstanceMessage() && E->getSelector() == FinalizeSel) |
| 64 | break; |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 65 | return true; |
Argyrios Kyrtzidis | e0e4076 | 2011-07-14 21:26:49 +0000 | [diff] [blame] | 66 | case OMF_autorelease: |
Argyrios Kyrtzidis | 5a42a02 | 2012-05-21 17:48:31 +0000 | [diff] [blame] | 67 | if (isRemovable(E)) { |
Argyrios Kyrtzidis | 1b8fbd3 | 2012-05-23 21:50:04 +0000 | [diff] [blame] | 68 | if (!isCommonUnusedAutorelease(E)) { |
| 69 | // An unused autorelease is badness. If we remove it the receiver |
| 70 | // will likely die immediately while previously it was kept alive |
| 71 | // by the autorelease pool. This is bad practice in general, leave it |
| 72 | // and emit an error to force the user to restructure his code. |
| 73 | Pass.TA.reportError("it is not safe to remove an unused 'autorelease' " |
| 74 | "message; its receiver may be destroyed immediately", |
| 75 | E->getLocStart(), E->getSourceRange()); |
| 76 | return true; |
| 77 | } |
Argyrios Kyrtzidis | 5a42a02 | 2012-05-21 17:48:31 +0000 | [diff] [blame] | 78 | } |
| 79 | // Pass through. |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 80 | case OMF_retain: |
| 81 | case OMF_release: |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 82 | if (E->getReceiverKind() == ObjCMessageExpr::Instance) |
| 83 | if (Expr *rec = E->getInstanceReceiver()) { |
| 84 | rec = rec->IgnoreParenImpCasts(); |
Argyrios Kyrtzidis | 2cd5366 | 2011-07-14 22:46:12 +0000 | [diff] [blame] | 85 | if (rec->getType().getObjCLifetime() == Qualifiers::OCL_ExplicitNone && |
| 86 | (E->getMethodFamily() != OMF_retain || isRemovable(E))) { |
Argyrios Kyrtzidis | e0e4076 | 2011-07-14 21:26:49 +0000 | [diff] [blame] | 87 | std::string err = "it is not safe to remove '"; |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 88 | err += E->getSelector().getAsString() + "' message on " |
| 89 | "an __unsafe_unretained type"; |
| 90 | Pass.TA.reportError(err, rec->getLocStart()); |
| 91 | return true; |
| 92 | } |
Argyrios Kyrtzidis | 2c18ca0 | 2011-07-14 23:32:04 +0000 | [diff] [blame] | 93 | |
| 94 | if (isGlobalVar(rec) && |
| 95 | (E->getMethodFamily() != OMF_retain || isRemovable(E))) { |
| 96 | std::string err = "it is not safe to remove '"; |
| 97 | err += E->getSelector().getAsString() + "' message on " |
| 98 | "a global variable"; |
| 99 | Pass.TA.reportError(err, rec->getLocStart()); |
| 100 | return true; |
| 101 | } |
Argyrios Kyrtzidis | 82a921a | 2011-07-15 23:48:56 +0000 | [diff] [blame] | 102 | |
| 103 | if (E->getMethodFamily() == OMF_release && isDelegateMessage(rec)) { |
| 104 | Pass.TA.reportError("it is not safe to remove 'retain' " |
| 105 | "message on the result of a 'delegate' message; " |
| 106 | "the object that was passed to 'setDelegate:' may not be " |
| 107 | "properly retained", rec->getLocStart()); |
| 108 | return true; |
| 109 | } |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 110 | } |
| 111 | case OMF_dealloc: |
| 112 | break; |
| 113 | } |
| 114 | |
| 115 | switch (E->getReceiverKind()) { |
| 116 | default: |
| 117 | return true; |
| 118 | case ObjCMessageExpr::SuperInstance: { |
| 119 | Transaction Trans(Pass.TA); |
Argyrios Kyrtzidis | f55a869 | 2011-07-15 21:11:23 +0000 | [diff] [blame] | 120 | clearDiagnostics(E->getSuperLoc()); |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 121 | if (tryRemoving(E)) |
| 122 | return true; |
| 123 | Pass.TA.replace(E->getSourceRange(), "self"); |
| 124 | return true; |
| 125 | } |
| 126 | case ObjCMessageExpr::Instance: |
| 127 | break; |
| 128 | } |
| 129 | |
| 130 | Expr *rec = E->getInstanceReceiver(); |
| 131 | if (!rec) return true; |
| 132 | |
| 133 | Transaction Trans(Pass.TA); |
Argyrios Kyrtzidis | f55a869 | 2011-07-15 21:11:23 +0000 | [diff] [blame] | 134 | clearDiagnostics(rec->getExprLoc()); |
| 135 | |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 136 | ObjCMessageExpr *Msg = E; |
| 137 | Expr *RecContainer = Msg; |
| 138 | SourceRange RecRange = rec->getSourceRange(); |
| 139 | checkForGCDOrXPC(Msg, RecContainer, rec, RecRange); |
| 140 | |
| 141 | if (Msg->getMethodFamily() == OMF_release && |
| 142 | isRemovable(RecContainer) && isInAtFinally(RecContainer)) { |
Argyrios Kyrtzidis | 1aa60ff | 2011-07-15 22:04:00 +0000 | [diff] [blame] | 143 | // Change the -release to "receiver = nil" in a finally to avoid a leak |
Argyrios Kyrtzidis | f55a869 | 2011-07-15 21:11:23 +0000 | [diff] [blame] | 144 | // when an exception is thrown. |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 145 | Pass.TA.replace(RecContainer->getSourceRange(), RecRange); |
Argyrios Kyrtzidis | 18fd0c6 | 2011-07-27 05:28:18 +0000 | [diff] [blame] | 146 | std::string str = " = "; |
| 147 | str += getNilString(Pass.Ctx); |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 148 | Pass.TA.insertAfterToken(RecRange.getEnd(), str); |
Argyrios Kyrtzidis | f55a869 | 2011-07-15 21:11:23 +0000 | [diff] [blame] | 149 | return true; |
| 150 | } |
| 151 | |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 152 | if (!hasSideEffects(rec, Pass.Ctx)) { |
| 153 | if (tryRemoving(RecContainer)) |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 154 | return true; |
| 155 | } |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 156 | Pass.TA.replace(RecContainer->getSourceRange(), RecRange); |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 157 | |
| 158 | return true; |
| 159 | } |
| 160 | |
| 161 | private: |
Argyrios Kyrtzidis | 1b8fbd3 | 2012-05-23 21:50:04 +0000 | [diff] [blame] | 162 | /// \brief Checks for idioms where an unused -autorelease is common. |
| 163 | /// |
| 164 | /// Currently only returns true for this idiom which is common in property |
| 165 | /// setters: |
| 166 | /// |
| 167 | /// [backingValue autorelease]; |
| 168 | /// backingValue = [newValue retain]; // in general a +1 assign |
| 169 | /// |
| 170 | bool isCommonUnusedAutorelease(ObjCMessageExpr *E) { |
| 171 | Expr *Rec = E->getInstanceReceiver(); |
| 172 | if (!Rec) |
| 173 | return false; |
| 174 | |
| 175 | Decl *RefD = getReferencedDecl(Rec); |
| 176 | if (!RefD) |
| 177 | return false; |
| 178 | |
| 179 | Stmt *OuterS = E, *InnerS; |
| 180 | do { |
| 181 | InnerS = OuterS; |
| 182 | OuterS = StmtMap->getParent(InnerS); |
| 183 | } |
| 184 | while (OuterS && (isa<ParenExpr>(OuterS) || |
| 185 | isa<CastExpr>(OuterS) || |
| 186 | isa<ExprWithCleanups>(OuterS))); |
| 187 | |
| 188 | if (!OuterS) |
| 189 | return false; |
| 190 | |
| 191 | // Find next statement after the -autorelease. |
| 192 | |
| 193 | Stmt::child_iterator currChildS = OuterS->child_begin(); |
| 194 | Stmt::child_iterator childE = OuterS->child_end(); |
| 195 | for (; currChildS != childE; ++currChildS) { |
| 196 | if (*currChildS == InnerS) |
| 197 | break; |
| 198 | } |
| 199 | if (currChildS == childE) |
| 200 | return false; |
| 201 | ++currChildS; |
| 202 | if (currChildS == childE) |
| 203 | return false; |
| 204 | |
| 205 | Stmt *nextStmt = *currChildS; |
| 206 | if (!nextStmt) |
| 207 | return false; |
| 208 | nextStmt = nextStmt->IgnoreImplicit(); |
| 209 | |
| 210 | // Check for "RefD = [+1 retained object];". |
| 211 | |
| 212 | if (BinaryOperator *Bop = dyn_cast<BinaryOperator>(nextStmt)) { |
| 213 | if (RefD != getReferencedDecl(Bop->getLHS())) |
| 214 | return false; |
| 215 | if (isPlusOneAssign(Bop)) |
| 216 | return true; |
| 217 | } |
| 218 | return false; |
| 219 | } |
| 220 | |
| 221 | Decl *getReferencedDecl(Expr *E) { |
| 222 | if (!E) |
| 223 | return 0; |
| 224 | |
| 225 | E = E->IgnoreParenCasts(); |
| 226 | if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E)) |
| 227 | return DRE->getDecl(); |
| 228 | if (MemberExpr *ME = dyn_cast<MemberExpr>(E)) |
| 229 | return ME->getMemberDecl(); |
| 230 | if (ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(E)) |
| 231 | return IRE->getDecl(); |
| 232 | |
| 233 | return 0; |
| 234 | } |
| 235 | |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 236 | /// \brief Check if the retain/release is due to a GCD/XPC macro that are |
| 237 | /// defined as: |
| 238 | /// |
| 239 | /// #define dispatch_retain(object) ({ dispatch_object_t _o = (object); _dispatch_object_validate(_o); (void)[_o retain]; }) |
| 240 | /// #define dispatch_release(object) ({ dispatch_object_t _o = (object); _dispatch_object_validate(_o); [_o release]; }) |
| 241 | /// #define xpc_retain(object) ({ xpc_object_t _o = (object); _xpc_object_validate(_o); [_o retain]; }) |
| 242 | /// #define xpc_release(object) ({ xpc_object_t _o = (object); _xpc_object_validate(_o); [_o release]; }) |
| 243 | /// |
| 244 | /// and return the top container which is the StmtExpr and the macro argument |
| 245 | /// expression. |
| 246 | void checkForGCDOrXPC(ObjCMessageExpr *Msg, Expr *&RecContainer, |
| 247 | Expr *&Rec, SourceRange &RecRange) { |
| 248 | SourceLocation Loc = Msg->getExprLoc(); |
| 249 | if (!Loc.isMacroID()) |
| 250 | return; |
| 251 | SourceManager &SM = Pass.Ctx.getSourceManager(); |
| 252 | StringRef MacroName = Lexer::getImmediateMacroName(Loc, SM, |
David Blaikie | 4e4d084 | 2012-03-11 07:00:24 +0000 | [diff] [blame] | 253 | Pass.Ctx.getLangOpts()); |
Ted Kremenek | 30660a8 | 2012-03-06 20:06:33 +0000 | [diff] [blame] | 254 | bool isGCDOrXPC = llvm::StringSwitch<bool>(MacroName) |
| 255 | .Case("dispatch_retain", true) |
| 256 | .Case("dispatch_release", true) |
| 257 | .Case("xpc_retain", true) |
| 258 | .Case("xpc_release", true) |
| 259 | .Default(false); |
| 260 | if (!isGCDOrXPC) |
| 261 | return; |
| 262 | |
| 263 | StmtExpr *StmtE = 0; |
| 264 | Stmt *S = Msg; |
| 265 | while (S) { |
| 266 | if (StmtExpr *SE = dyn_cast<StmtExpr>(S)) { |
| 267 | StmtE = SE; |
| 268 | break; |
| 269 | } |
| 270 | S = StmtMap->getParent(S); |
| 271 | } |
| 272 | |
| 273 | if (!StmtE) |
| 274 | return; |
| 275 | |
| 276 | Stmt::child_range StmtExprChild = StmtE->children(); |
| 277 | if (!StmtExprChild) |
| 278 | return; |
| 279 | CompoundStmt *CompS = dyn_cast_or_null<CompoundStmt>(*StmtExprChild); |
| 280 | if (!CompS) |
| 281 | return; |
| 282 | |
| 283 | Stmt::child_range CompStmtChild = CompS->children(); |
| 284 | if (!CompStmtChild) |
| 285 | return; |
| 286 | DeclStmt *DeclS = dyn_cast_or_null<DeclStmt>(*CompStmtChild); |
| 287 | if (!DeclS) |
| 288 | return; |
| 289 | if (!DeclS->isSingleDecl()) |
| 290 | return; |
| 291 | VarDecl *VD = dyn_cast_or_null<VarDecl>(DeclS->getSingleDecl()); |
| 292 | if (!VD) |
| 293 | return; |
| 294 | Expr *Init = VD->getInit(); |
| 295 | if (!Init) |
| 296 | return; |
| 297 | |
| 298 | RecContainer = StmtE; |
| 299 | Rec = Init->IgnoreParenImpCasts(); |
| 300 | if (ExprWithCleanups *EWC = dyn_cast<ExprWithCleanups>(Rec)) |
| 301 | Rec = EWC->getSubExpr()->IgnoreParenImpCasts(); |
| 302 | RecRange = Rec->getSourceRange(); |
| 303 | if (SM.isMacroArgExpansion(RecRange.getBegin())) |
| 304 | RecRange.setBegin(SM.getImmediateSpellingLoc(RecRange.getBegin())); |
| 305 | if (SM.isMacroArgExpansion(RecRange.getEnd())) |
| 306 | RecRange.setEnd(SM.getImmediateSpellingLoc(RecRange.getEnd())); |
| 307 | } |
| 308 | |
Argyrios Kyrtzidis | f55a869 | 2011-07-15 21:11:23 +0000 | [diff] [blame] | 309 | void clearDiagnostics(SourceLocation loc) const { |
| 310 | Pass.TA.clearDiagnostic(diag::err_arc_illegal_explicit_message, |
| 311 | diag::err_unavailable, |
| 312 | diag::err_unavailable_message, |
| 313 | loc); |
| 314 | } |
| 315 | |
Argyrios Kyrtzidis | 82a921a | 2011-07-15 23:48:56 +0000 | [diff] [blame] | 316 | bool isDelegateMessage(Expr *E) const { |
| 317 | if (!E) return false; |
| 318 | |
| 319 | E = E->IgnoreParenCasts(); |
John McCall | 4b9c2d2 | 2011-11-06 09:01:30 +0000 | [diff] [blame] | 320 | |
| 321 | // Also look through property-getter sugar. |
| 322 | if (PseudoObjectExpr *pseudoOp = dyn_cast<PseudoObjectExpr>(E)) |
| 323 | E = pseudoOp->getResultExpr()->IgnoreImplicit(); |
| 324 | |
Argyrios Kyrtzidis | 82a921a | 2011-07-15 23:48:56 +0000 | [diff] [blame] | 325 | if (ObjCMessageExpr *ME = dyn_cast<ObjCMessageExpr>(E)) |
| 326 | return (ME->isInstanceMessage() && ME->getSelector() == DelegateSel); |
| 327 | |
Argyrios Kyrtzidis | 82a921a | 2011-07-15 23:48:56 +0000 | [diff] [blame] | 328 | return false; |
| 329 | } |
| 330 | |
Argyrios Kyrtzidis | f55a869 | 2011-07-15 21:11:23 +0000 | [diff] [blame] | 331 | bool isInAtFinally(Expr *E) const { |
| 332 | assert(E); |
| 333 | Stmt *S = E; |
| 334 | while (S) { |
| 335 | if (isa<ObjCAtFinallyStmt>(S)) |
| 336 | return true; |
| 337 | S = StmtMap->getParent(S); |
| 338 | } |
| 339 | |
| 340 | return false; |
| 341 | } |
| 342 | |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 343 | bool isRemovable(Expr *E) const { |
| 344 | return Removables.count(E); |
| 345 | } |
| 346 | |
| 347 | bool tryRemoving(Expr *E) const { |
| 348 | if (isRemovable(E)) { |
| 349 | Pass.TA.removeStmt(E); |
| 350 | return true; |
| 351 | } |
| 352 | |
John McCall | 7e5e5f4 | 2011-07-07 06:58:02 +0000 | [diff] [blame] | 353 | Stmt *parent = StmtMap->getParent(E); |
| 354 | |
| 355 | if (ImplicitCastExpr *castE = dyn_cast_or_null<ImplicitCastExpr>(parent)) |
| 356 | return tryRemoving(castE); |
| 357 | |
| 358 | if (ParenExpr *parenE = dyn_cast_or_null<ParenExpr>(parent)) |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 359 | return tryRemoving(parenE); |
| 360 | |
| 361 | if (BinaryOperator * |
John McCall | 7e5e5f4 | 2011-07-07 06:58:02 +0000 | [diff] [blame] | 362 | bopE = dyn_cast_or_null<BinaryOperator>(parent)) { |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 363 | if (bopE->getOpcode() == BO_Comma && bopE->getLHS() == E && |
| 364 | isRemovable(bopE)) { |
| 365 | Pass.TA.replace(bopE->getSourceRange(), bopE->getRHS()->getSourceRange()); |
| 366 | return true; |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | return false; |
| 371 | } |
| 372 | |
| 373 | }; |
| 374 | |
| 375 | } // anonymous namespace |
| 376 | |
Argyrios Kyrtzidis | e7ef855 | 2011-11-04 15:58:22 +0000 | [diff] [blame] | 377 | void trans::removeRetainReleaseDeallocFinalize(MigrationPass &pass) { |
Argyrios Kyrtzidis | 7196d06 | 2011-06-21 20:20:39 +0000 | [diff] [blame] | 378 | BodyTransform<RetainReleaseDeallocRemover> trans(pass); |
| 379 | trans.TraverseDecl(pass.Ctx.getTranslationUnitDecl()); |
| 380 | } |