================
@@ -2834,6 +2834,36 @@ $ cd $P && clang foo/name_conflict.o &&
bar/name_conflict.o
```
:::
+:::{option} -f[no-]keep-inline-functions
+
+Force inline functions to be emitted into the object file, even when they
+have been inlined into all callers or are otherwise unused.
+
+Except as noted below, the option keeps definitions of inline functions that
+are available in the current translation unit. LTO observes the kept
+definitions as being marked as used.
+
+In C, functions declared with inline are kept, except where they are
+C99 inline definitions or GNU C89/C90 extern inline functions. This
+includes __attribute__((gnu_inline)) extern inline functions.
+
+In C++, the option applies to functions declared inline (explicitly
+or implicitly via constexpr or an in-class member-function definition),
+including template specializations whose definitions are generated in this
+translation unit. Inline functions with the gnu_inline attribute and
+specializations subject to C++ explicit instantiation declarations
+(extern template) are not kept.
----------------
hubert-reinterpretcast wrote:
Add to the end:
C++20 immediate functions (e.g., `consteval`) are never emitted.
https://github.com/llvm/llvm-project/pull/218533
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