Revert r349517 "[CMake] Default options for faster executables on MSVC"

llvm-svn: 349654
GitOrigin-RevId: 79f2b15eabe16880b03c92e68d16070c2e15943b
diff --git a/cmake/modules/TableGen.cmake b/cmake/modules/TableGen.cmake
index 3c84ae7..ee1840d 100644
--- a/cmake/modules/TableGen.cmake
+++ b/cmake/modules/TableGen.cmake
@@ -146,12 +146,6 @@
       llvm_ExternalProject_BuildCmd(tblgen_build_cmd ${target}
                                     ${LLVM_NATIVE_BUILD}
                                     CONFIGURATION Release)
-      # Create an artificial dependency between tablegen projects, because they
-      # compile the same dependencies, thus using the same build folders.
-      # FIXME: A proper fix requires sequentially chaining tablegens.
-      if (NOT ${project} STREQUAL LLVM AND TARGET ${project}-tablegen-host)
-        add_dependencies(${project}-tablegen-host LLVM-tablegen-host)
-      endif()
       add_custom_command(OUTPUT ${${project}_TABLEGEN_EXE}
         COMMAND ${tblgen_build_cmd}
         DEPENDS CONFIGURE_LLVM_NATIVE ${target}