[PATCH] D109632: [clang] de-duplicate methods from AST files
Richard Howell via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu Sep 16 14:27:10 PDT 2021
rmaz updated this revision to Diff 373072.
rmaz added a comment.
Update with single DenseSet per GlobalMethodPool
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D109632/new/
https://reviews.llvm.org/D109632
Files:
clang/include/clang/Sema/Sema.h
clang/lib/Sema/SemaDeclObjC.cpp
Index: clang/lib/Sema/SemaDeclObjC.cpp
===================================================================
--- clang/lib/Sema/SemaDeclObjC.cpp
+++ clang/lib/Sema/SemaDeclObjC.cpp
@@ -3302,6 +3302,10 @@
void Sema::addMethodToGlobalList(ObjCMethodList *List,
ObjCMethodDecl *Method) {
+ // Do not insert duplicate methods into the method pool.
+ if (!MethodPool.addMethod(Method))
+ return;
+
// Record at the head of the list whether there were 0, 1, or >= 2 methods
// inside categories.
if (ObjCCategoryDecl *CD =
Index: clang/include/clang/Sema/Sema.h
===================================================================
--- clang/include/clang/Sema/Sema.h
+++ clang/include/clang/Sema/Sema.h
@@ -1431,9 +1431,13 @@
}
int count(Selector Sel) const { return Methods.count(Sel); }
bool empty() const { return Methods.empty(); }
+ bool addMethod(ObjCMethodDecl *Method) {
+ return AddedMethods.insert(Method).second;
+ }
private:
llvm::DenseMap<Selector, Lists> Methods;
+ llvm::DenseSet<ObjCMethodDecl *> AddedMethods;
};
/// Method Pool - allows efficient lookup when typechecking messages to "id".
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