Switch TargetInfo::getTargetDefines from using an std::map<std::string, ...> to using
a llvm::StringMap.  This dramatically reduces the startup time of the preprocessor,
speeding up -Eonly on xalankbmk by 2.2%.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@40396 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed