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change AnnotationManager to use 'const char*' instead of std::string. this fixes the leakage of those strings and avoids the creation of such strings in static cosntructors (should result in a little improvement of startup time)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60064 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nuno Lopes 2008-11-26 00:00:44 +00:00
parent 75ea1933a5
commit 08d67c7763
2 changed files with 7 additions and 8 deletions
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7
include/llvm/Support/Annotation.h
View File

@ -172,13 +172,12 @@ struct AnnotationManager {
//===--------------------------------------------------------------------===//
// Basic ID <-> Name map functionality
static AnnotationID getID(const std::string &Name); // Name -> ID
static const std::string &getName(AnnotationID ID); // ID -> Name
static AnnotationID getID(const char *Name); // Name -> ID
static const char *getName(AnnotationID ID); // ID -> Name
// getID - Name -> ID + registration of a factory function for demand driven
// annotation support.
static AnnotationID getID(const std::string &Name, Factory Fact,
void *Data = 0);
static AnnotationID getID(const char *Name, Factory Fact, void *Data = 0);
//===--------------------------------------------------------------------===//
// Annotation creation on demand support...

8
lib/Support/Annotation.cpp
View File

@ -27,7 +27,7 @@ Annotable::~Annotable() { // Virtual because it's designed to be subclassed...
}
}
typedef std::map<const std::string, unsigned> IDMapType;
typedef std::map<const char*, unsigned> IDMapType;
static unsigned IDCounter = 0; // Unique ID counter
// Static member to ensure initialiation on demand.
@ -53,7 +53,7 @@ static void eraseFromFactMap(unsigned ID) {
}
}
AnnotationID AnnotationManager::getID(const std::string &Name) { // Name -> ID
AnnotationID AnnotationManager::getID(const char *Name) { // Name -> ID
IDMapType::iterator I = IDMap->find(Name);
if (I == IDMap->end()) {
(*IDMap)[Name] = IDCounter++; // Add a new element
@ -64,7 +64,7 @@ AnnotationID AnnotationManager::getID(const std::string &Name) { // Name -> ID
// getID - Name -> ID + registration of a factory function for demand driven
// annotation support.
AnnotationID AnnotationManager::getID(const std::string &Name, Factory Fact,
AnnotationID AnnotationManager::getID(const char *Name, Factory Fact,
void *Data) {
AnnotationID Result(getID(Name));
registerAnnotationFactory(Result, Fact, Data);
@ -74,7 +74,7 @@ AnnotationID AnnotationManager::getID(const std::string &Name, Factory Fact,
// getName - This function is especially slow, but that's okay because it should
// only be used for debugging.
//
const std::string &AnnotationManager::getName(AnnotationID ID) { // ID -> Name
const char *AnnotationManager::getName(AnnotationID ID) { // ID -> Name
IDMapType &TheMap = *IDMap;
for (IDMapType::iterator I = TheMap.begin(); ; ++I) {
assert(I != TheMap.end() && "Annotation ID is unknown!");