[llvm-commits] [llvm] r74133 - in /llvm/trunk: include/llvm/Constants.h lib/VMCore/Constants.cpp

[Devang Patel]

Author: dpatel
Date: Wed Jun 24 17:42:39 2009
New Revision: 74133

URL: http://llvm.org/viewvc/llvm-project?rev=74133&view=rev
Log:
Add constructor to create MDString using std::string

Modified:
    llvm/trunk/include/llvm/Constants.h
    llvm/trunk/lib/VMCore/Constants.cpp

Modified: llvm/trunk/include/llvm/Constants.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Constants.h?rev=74133&r1=74132&r2=74133&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Constants.h (original)
+++ llvm/trunk/include/llvm/Constants.h Wed Jun 24 17:42:39 2009
@@ -865,6 +865,7 @@
   /// get() - Static factory methods - Return objects of the specified value.
   ///
   static MDString *get(const char *StrBegin, const char *StrEnd);
+  static MDString *get(const std::string &Str);
 
   /// size() - The length of this string.
   ///

Modified: llvm/trunk/lib/VMCore/Constants.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Constants.cpp?rev=74133&r1=74132&r2=74133&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/Constants.cpp (original)
+++ llvm/trunk/lib/VMCore/Constants.cpp Wed Jun 24 17:42:39 2009
@@ -1803,6 +1803,17 @@
   return S;
 }
 
+MDString *MDString::get(const std::string &Str) {
+  sys::SmartScopedWriter<true> Writer(&*ConstantsLock);
+  StringMapEntry<MDString *> &Entry = MDStringCache->GetOrCreateValue(
+                                        Str.data(), Str.data() + Str.size());
+  MDString *&S = Entry.getValue();
+  if (!S) S = new MDString(Entry.getKeyData(),
+                           Entry.getKeyData() + Entry.getKeyLength());
+
+  return S;
+}
+
 void MDString::destroyConstant() {
   sys::SmartScopedWriter<true> Writer(&*ConstantsLock);
   MDStringCache->erase(MDStringCache->find(StrBegin, StrEnd));