R600: Update GPU variants in -mcpu option

We've added the RS880 variant in the LLVM backend to represent an R600
GPU with no vertex cache, so we need to update the GPU mappings for
-mcpu.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181202 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 89b1a0c..ef4b005 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1135,11 +1135,11 @@
   if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
     std::string GPUName = A->getValue();
     return llvm::StringSwitch<const char *>(GPUName)
-      .Cases("rv610", "rv620", "rv630", "r600")
-      .Cases("rv635", "rs780", "rs880", "r600")
+      .Cases("rv630", "rv635", "r600")
+      .Cases("rv610", "rv620", "rs780", "rs880")
       .Case("rv740", "rv770")
       .Case("palm", "cedar")
-      .Cases("sumo", "sumo2", "redwood")
+      .Cases("sumo", "sumo2", "sumo")
       .Case("hemlock", "cypress")
       .Case("aruba", "cayman")
       .Default(GPUName.c_str());