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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/LangRef.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/LangRef.rst b/docs/LangRef.rst index 68ac96f..fe23ac0 100644 --- a/docs/LangRef.rst +++ b/docs/LangRef.rst @@ -879,6 +879,17 @@ example: This function attribute indicates that the function never returns with an unwind or exceptional control flow. If the function does unwind, its runtime behavior is undefined. +``optnone`` + This function attribute indicates that the function is not optimized + by any optimization or code generator passes with the + exception of interprocedural optimization passes. + This attribute cannot be used together with the ``alwaysinline`` + attribute; this attribute is also incompatible + with the ``minsize`` attribute and the ``optsize`` attribute. + + The inliner should never inline this function in any situation. + Only functions with the ``alwaysinline`` attribute are valid + candidates for inlining inside the body of this function. ``optsize`` This attribute suggests that optimization passes and code generator passes make choices that keep the code size of this function low, |