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Added new Global Variable marker ``externally_initialized'' to LangRef.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174270 91177308-0d34-0410-b5e6-96231b3b80d8
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Michael Gottesman 2013-02-03 09:57:18 +00:00
parent 4283499dcd
commit fa987f08fb
1 changed files with 2 additions and 1 deletions
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docs/LangRef.rst
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@ -506,7 +506,8 @@ variables defined within the module are not modified from their
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