Initial support for the CMake build system.

llvm-svn: 56419
diff --git a/llvm/tools/CMakeLists.txt b/llvm/tools/CMakeLists.txt
new file mode 100644
index 0000000..8909cbd
--- /dev/null
+++ b/llvm/tools/CMakeLists.txt
@@ -0,0 +1,32 @@
+# NOTE: The tools are organized into five groups of four consisting of one
+# large and three small executables. This is done to minimize memory load
+# in parallel builds.  Please retain this ordering.
+
+if( NOT MSVC )
+  add_subdirectory(llvm-config)
+endif( NOT MSVC )
+
+add_subdirectory(opt)
+add_subdirectory(llvm-as)
+add_subdirectory(llvm-dis)
+
+add_subdirectory(llc)
+add_subdirectory(llvm-ranlib)
+add_subdirectory(llvm-ar)
+add_subdirectory(llvm-nm)
+
+add_subdirectory(llvm-ld)
+add_subdirectory(llvm-prof)
+add_subdirectory(llvm-link)
+add_subdirectory(lli)
+
+# gccas and gccld are deprecated:
+# add_subdirectory(gccas)
+# add_subdirectory(gccld)
+add_subdirectory(llvm-extract)
+add_subdirectory(llvm-db)
+
+add_subdirectory(bugpoint)
+add_subdirectory(llvm-bcanalyzer)
+add_subdirectory(llvm-stub)
+add_subdirectory(llvmc2)