akhuang created this revision.
akhuang added reviewers: rnk, dblaikie.
akhuang requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
Adding this, since there's currently no documentation about this.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D95911
Files:
clang/docs/UsersManual.rst
Index: clang/docs/UsersManual.rst
===================================================================
--- clang/docs/UsersManual.rst
+++ clang/docs/UsersManual.rst
@@ -2504,6 +2504,18 @@
**-fno-standalone-debug** option can be used to get to turn on the
vtable-based optimization described above.
+.. option:: -fuse-ctor-homing
+
+ This optimization is similar to the optimizations that are enabled as part
+ of -fno-standalone-debug. Here, Clang only emits type info for a
+ non-trivial, non-aggregate C++ class in the modules that contain a
+ definition of one of its constructors. This relies on the additional
+ assumption that all classes that are not trivially constructible have a
+ non-trivial constructor that is used somewhere.
+
+ This flag is not enabled by default, and needs to be used with -cc1 or
+ -Xclang.
+
.. option:: -g
Generate complete debug info.
Index: clang/docs/UsersManual.rst
===================================================================
--- clang/docs/UsersManual.rst
+++ clang/docs/UsersManual.rst
@@ -2504,6 +2504,18 @@
**-fno-standalone-debug** option can be used to get to turn on the
vtable-based optimization described above.
+.. option:: -fuse-ctor-homing
+
+ This optimization is similar to the optimizations that are enabled as part
+ of -fno-standalone-debug. Here, Clang only emits type info for a
+ non-trivial, non-aggregate C++ class in the modules that contain a
+ definition of one of its constructors. This relies on the additional
+ assumption that all classes that are not trivially constructible have a
+ non-trivial constructor that is used somewhere.
+
+ This flag is not enabled by default, and needs to be used with -cc1 or
+ -Xclang.
+
.. option:: -g
Generate complete debug info.
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