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Replace some DenseSets with SmallPtrSets. Apart from the "small" optimization, the current implementation is also a denser. 

llvm-svn: 151257
This commit is contained in:
Benjamin Kramer 2012-02-23 16:06:01 +00:00
parent 49f28b5a47
commit 3adbe1ca43
2 changed files with 4 additions and 6 deletions
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3
clang/lib/Sema/SemaDeclCXX.cpp
View File

@ -32,7 +32,6 @@
#include "clang/Sema/ParsedTemplate.h"
#include "clang/Basic/PartialDiagnostic.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/STLExtras.h"
#include <map>
@ -6469,7 +6468,7 @@ bool Sema::CheckUsingDeclQualifier(SourceLocation UsingLoc,
// need to be repeated.
struct UserData {
llvm::DenseSet<const CXXRecordDecl*> Bases;
llvm::SmallPtrSet<const CXXRecordDecl*, 4> Bases;
static bool collect(const CXXRecordDecl *Base, void *OpaqueData) {
UserData *Data = reinterpret_cast<UserData*>(OpaqueData);

7
clang/lib/Sema/SemaLookup.cpp
View File

@ -31,7 +31,6 @@
#include "clang/AST/ExprCXX.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/LangOptions.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
@ -1263,7 +1262,7 @@ static bool LookupQualifiedNameInUsingDirectives(Sema &S, LookupResult &R,
if (I == E) return false;
// We have at least added all these contexts to the queue.
llvm::DenseSet<DeclContext*> Visited;
llvm::SmallPtrSet<DeclContext*, 8> Visited;
Visited.insert(StartDC);
// We have not yet looked into these namespaces, much less added
@ -1274,7 +1273,7 @@ static bool LookupQualifiedNameInUsingDirectives(Sema &S, LookupResult &R,
// with its using-children.
for (; I != E; ++I) {
NamespaceDecl *ND = (*I)->getNominatedNamespace()->getOriginalNamespace();
if (Visited.insert(ND).second)
if (Visited.insert(ND))
Queue.push_back(ND);
}
@ -1323,7 +1322,7 @@ static bool LookupQualifiedNameInUsingDirectives(Sema &S, LookupResult &R,
for (llvm::tie(I,E) = ND->getUsingDirectives(); I != E; ++I) {
NamespaceDecl *Nom = (*I)->getNominatedNamespace();
if (Visited.insert(Nom).second)
if (Visited.insert(Nom))
Queue.push_back(Nom);
}
}