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Don't search the entire type table just to delete a type by name.

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- This also fixes the ENABLE_EXPENSIVE_CHECKS failure on vmcore.ml.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78287 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2009-08-06 06:04:35 +00:00
parent 902cf02b0a
commit 8113c6739e
3 changed files with 26 additions and 7 deletions
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10
include/llvm/TypeSymbolTable.h
View File

@ -66,6 +66,16 @@ public:
/// @brief Lookup a type by name.
Type *lookup(const StringRef &name) const;
/// Lookup the type associated with name.
/// @returns end() if the name is not found, or an iterator at the entry for
/// Type.
iterator find(const StringRef &name);
/// Lookup the type associated with name.
/// @returns end() if the name is not found, or an iterator at the entry for
/// Type.
const_iterator find(const StringRef &name) const;
/// @returns true iff the symbol table is empty.
/// @brief Determine if the symbol table is empty
inline bool empty() const { return tmap.empty(); }

12
lib/VMCore/Core.cpp
View File

@ -94,17 +94,15 @@ int LLVMAddTypeName(LLVMModuleRef M, const char *Name, LLVMTypeRef Ty) {
}
void LLVMDeleteTypeName(LLVMModuleRef M, const char *Name) {
std::string N(Name);
TypeSymbolTable &TST = unwrap(M)->getTypeSymbolTable();
for (TypeSymbolTable::iterator I = TST.begin(), E = TST.end(); I != E; ++I)
if (I->first == N)
TST.remove(I);
TypeSymbolTable::iterator I = TST.find(Name);
if (I != TST.end())
TST.remove(I);
}
LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name) {
std::string N(Name);
return wrap(unwrap(M)->getTypeByName(N));
return wrap(unwrap(M)->getTypeByName(Name));
}
void LLVMDumpModule(LLVMModuleRef M) {

11
lib/VMCore/TypeSymbolTable.cpp
View File

@ -59,6 +59,17 @@ Type* TypeSymbolTable::lookup(const StringRef &Name) const {
return result;
}
TypeSymbolTable::iterator TypeSymbolTable::find(const StringRef &Name) {
sys::SmartScopedReader<true> Reader(*TypeSymbolTableLock);
return tmap.find(Name);
}
TypeSymbolTable::const_iterator
TypeSymbolTable::find(const StringRef &Name) const {
sys::SmartScopedReader<true> Reader(*TypeSymbolTableLock);
return tmap.find(Name);
}
// remove - Remove a type from the symbol table...
Type* TypeSymbolTable::remove(iterator Entry) {
TypeSymbolTableLock->writer_acquire();