Rebased on LLVM 3.6.0rc1

.arcconfig

@@ -1,4 +1,4 @@
 {
   "project_id" : "llvm",
-  "conduit_uri" : "http://llvm-reviews.chandlerc.com/"
+  "conduit_uri" : "http://reviews.llvm.org/"
 }

.clang-format

@@ -0,0 +1,2 @@
+BasedOnStyle: LLVM
+

.clang-tidy

@@ -0,0 +1 @@
+Checks: '-*,clang-diagnostic-*,llvm-*,misc-*'

.gitignore

@@ -18,10 +18,19 @@
 # vim swap files
 .*.swp
 .sw?
+#OS X specific files.
+.DS_store
 
 #==============================================================================#
 # Explicit files to ignore (only matches one).
 #==============================================================================#
+# Various tag programs
+/tags
+/TAGS
+/GPATH
+/GRTAGS
+/GSYMS
+/GTAGS
 .gitusers
 autom4te.cache
 cscope.files
@@ -35,7 +44,6 @@ compile_commands.json
 #==============================================================================#
 # External projects that are tracked independently.
 projects/*
-!projects/sample
 !projects/CMakeLists.txt
 !projects/Makefile
 # Clang, which is tracked independently.
@@ -44,5 +52,15 @@ tools/clang
 tools/lldb
 # lld, which is tracked independently.
 tools/lld
+# llgo, which is tracked independently.
+tools/llgo
+# Polly, which is tracked independently.
+tools/polly
 # Sphinx build tree, if building in-source dir.
 docs/_build
+
+#==============================================================================#
+# Files created in tree by the Go bindings.
+#==============================================================================#
+bindings/go/llvm/llvm_config.go
+bindings/go/llvm/workdir