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Use separate named MDNode to hold each function's local variable info.

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This speeds up local variable handling in DwarfDebug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106075 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2010-06-16 00:53:55 +00:00
parent 7500e06e38
commit 2f7d5291de
4 changed files with 17 additions and 4 deletions
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7
lib/VMCore/Module.cpp
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@ -17,6 +17,7 @@
#include "llvm/DerivedTypes.h"
#include "llvm/GVMaterializer.h"
#include "llvm/LLVMContext.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/LeakDetector.h"
@ -316,6 +317,12 @@ NamedMDNode *Module::getNamedMetadata(StringRef Name) const {
return NamedMDSymTab->lookup(Name);
}
NamedMDNode *Module::getNamedMetadataUsingTwine(Twine Name) const {
SmallString<256> NameData;
StringRef NameRef = Name.toStringRef(NameData);
return NamedMDSymTab->lookup(NameRef);
}
/// getOrInsertNamedMetadata - Return the first named MDNode in the module
/// with the specified name. This method returns a new NamedMDNode if a
/// NamedMDNode with the specified name is not found.