The default CPU on FreeBSD for i386 should be i486, not pentium4.

Patch by Dimitry Andric!



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126763 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 0205cf6..3e6f748 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -726,6 +726,11 @@
         CPUName = "x86-64";
       else if (getToolChain().getArchName() == "i386")
         CPUName = "i486";
+    } else if (getToolChain().getOS().startswith("freebsd"))  {
+      if (getToolChain().getArchName() == "x86_64")
+        CPUName = "x86-64";
+      else if (getToolChain().getArchName() == "i386")
+        CPUName = "i486";
     } else if (getToolChain().getOS().startswith("netbsd"))  {
       if (getToolChain().getArchName() == "x86_64")
         CPUName = "x86-64";