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-rw-r--r--clang/lib/ARCMigrate/ObjCMT.cpp12
1 files changed, 8 insertions, 4 deletions
diff --git a/clang/lib/ARCMigrate/ObjCMT.cpp b/clang/lib/ARCMigrate/ObjCMT.cpp
index 81cb9da262b..a52c32f08fa 100644
--- a/clang/lib/ARCMigrate/ObjCMT.cpp
+++ b/clang/lib/ARCMigrate/ObjCMT.cpp
@@ -830,8 +830,12 @@ bool ObjCMigrateASTConsumer::migrateNSEnumDecl(ASTContext &Ctx,
return Res;
}
-static void ReplaceWithInstancetype(const ObjCMigrateASTConsumer &ASTC,
+static void ReplaceWithInstancetype(ASTContext &Ctx,
+ const ObjCMigrateASTConsumer &ASTC,
ObjCMethodDecl *OM) {
+ if (OM->getReturnType() == Ctx.getObjCInstanceType())
+ return; // already has instancetype.
+
SourceRange R;
std::string ClassString;
if (TypeSourceInfo *TSInfo = OM->getReturnTypeSourceInfo()) {
@@ -893,7 +897,7 @@ void ObjCMigrateASTConsumer::migrateMethodInstanceType(ASTContext &Ctx,
return;
case OIT_Init:
if (OM->getReturnType()->isObjCIdType())
- ReplaceWithInstancetype(*this, OM);
+ ReplaceWithInstancetype(Ctx, *this, OM);
return;
case OIT_ReturnsSelf:
migrateFactoryMethod(Ctx, CDecl, OM, OIT_ReturnsSelf);
@@ -914,7 +918,7 @@ void ObjCMigrateASTConsumer::migrateMethodInstanceType(ASTContext &Ctx,
migrateFactoryMethod(Ctx, CDecl, OM);
return;
}
- ReplaceWithInstancetype(*this, OM);
+ ReplaceWithInstancetype(Ctx, *this, OM);
}
static bool TypeIsInnerPointer(QualType T) {
@@ -1224,7 +1228,7 @@ void ObjCMigrateASTConsumer::migrateFactoryMethod(ASTContext &Ctx,
if (OIT_Family == OIT_ReturnsSelf)
ReplaceWithClasstype(*this, OM);
else
- ReplaceWithInstancetype(*this, OM);
+ ReplaceWithInstancetype(Ctx, *this, OM);
}
static bool IsVoidStarType(QualType Ty) {
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