Use early returns when checking if we already constructed a tool and when
authorRafael Espindola <rafael.espindola@gmail.com>
Mon, 18 Mar 2013 18:50:01 +0000 (18:50 +0000)
committerRafael Espindola <rafael.espindola@gmail.com>
Mon, 18 Mar 2013 18:50:01 +0000 (18:50 +0000)
commitc8e3a0162b54f2eb6df17cf3f3c9f86a1d6552a5
tree96c56e5840e956befa1cf1fd20592d0eb2800bb5
parent7415c8b171a2b5ff1e9d4aa8ef435a720f0f324e
Use early returns when checking if we already constructed a tool and when
delegating to Generic_GCC::SelectTool (it already updates the tool map).

llvm-svn: 177305
clang/lib/Driver/ToolChains.cpp
clang/lib/Driver/ToolChains.h
clang/lib/Driver/WindowsToolChain.cpp