git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174270
91177308-0d34-0410-b5e6-
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initial values before the start of the global initializer. This is
true even for variables potentially accessible from outside the
module, including those with external linkage or appearing in
-``@llvm.used``.
+``@llvm.used``. This assumption may be suppressed by marking the
+variable with ``externally_initialized``.
An explicit alignment may be specified for a global, which must be a
power of 2. If not present, or if the alignment is set to zero, the