Convert StringMap to using StringRef for its APIs.

 - Yay for '-'s and simplifications!

 - I kept StringMap::GetOrCreateValue for compatibility purposes, this can
   eventually go away. Likewise the StringMapEntry Create functions still follow
   the old style.

 - NIFC.

llvm-svn: 76888

1 files changed, 3 insertions, 6 deletions

diff --git a/llvm/lib/CodeGen/GCMetadata.cpp b/llvm/lib/CodeGen/GCMetadata.cpp
index 15d9a0529a7..3c2aaf4e0c8 100644
--- a/llvm/lib/CodeGen/GCMetadata.cpp
+++ b/llvm/lib/CodeGen/GCMetadata.cpp
@@ -75,20 +75,17 @@ GCModuleInfo::~GCModuleInfo() {
 
 GCStrategy *GCModuleInfo::getOrCreateStrategy(const Module *M,
                                               const std::string &Name) {
-  const char *Start = Name.c_str();
-  
-  strategy_map_type::iterator NMI =
-    StrategyMap.find(Start, Start + Name.size());
+  strategy_map_type::iterator NMI = StrategyMap.find(Name);
   if (NMI != StrategyMap.end())
     return NMI->getValue();
   
   for (GCRegistry::iterator I = GCRegistry::begin(),
                             E = GCRegistry::end(); I != E; ++I) {
-    if (strcmp(Start, I->getName()) == 0) {
+    if (Name == I->getName()) {
       GCStrategy *S = I->instantiate();
       S->M = M;
       S->Name = Name;
-      StrategyMap.GetOrCreateValue(Start, Start + Name.size()).setValue(S);
+      StrategyMap.GetOrCreateValue(Name).setValue(S);
       StrategyList.push_back(S);
       return S;
     }