[PATCH] D36712: Emit section information for extern variables
Elizabeth Andrews via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed Aug 16 07:48:19 PDT 2017
eandrews updated this revision to Diff 111341.
eandrews added a comment.
Corrected spelling error.
@@ -622,6 +622,12 @@
Additionally, the global can placed in a comdat if the target has the necessary
+External declarations may have an explicit section specified. Section
+information is retained in LLVM IR for targets that make use of this
+information. Attaching section information to an external declaration is an
+assertion that its definition is located in the specified section. If the
+definition is located in a different section, the behavior is undefined.
By default, global initializers are optimized by assuming that global
variables defined within the module are not modified from their
initial values before the start of the global initializer. This is
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