[PATCH] D89417: [LangRef] Clarify `dereferenceable` -> `nonnull` implication
Johannes Doerfert via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Oct 27 17:13:26 PDT 2020
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG14077836ec05: [LangRef] Clarify `dereferenceable` -> `nonnull` implication (authored by jdoerfert).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D89417/new/
https://reviews.llvm.org/D89417
Files:
llvm/docs/LangRef.rst
Index: llvm/docs/LangRef.rst
===================================================================
--- llvm/docs/LangRef.rst
+++ llvm/docs/LangRef.rst
@@ -1234,7 +1234,8 @@
size of the pointee type. The ``nonnull`` attribute does not imply
dereferenceability (consider a pointer to one element past the end of an
array), however ``dereferenceable(<n>)`` does imply ``nonnull`` in
- ``addrspace(0)`` (which is the default address space).
+ ``addrspace(0)`` (which is the default address space), except if the
+ ``null_pointer_is_valid`` function attribute is present.
``dereferenceable_or_null(<n>)``
This indicates that the parameter or return value isn't both
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