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| author | Artur Pilipenko <apilipenko@azulsystems.com> | 2015-09-18 12:07:10 +0000 |
|---|---|---|
| committer | Artur Pilipenko <apilipenko@azulsystems.com> | 2015-09-18 12:07:10 +0000 |
| commit | 253d71efeb62dfea49d0aefe3b0d5ccacf1fe961 (patch) | |
| tree | f9da8236c25a4e0b574475a5cbfed8935a915244 /llvm | |
| parent | 924f6ad63dc3a000662a5f4734629d3e58372672 (diff) | |
| download | bcm5719-llvm-253d71efeb62dfea49d0aefe3b0d5ccacf1fe961.tar.gz bcm5719-llvm-253d71efeb62dfea49d0aefe3b0d5ccacf1fe961.zip | |
Nit cleanup in LangRef about dereferenceable metadata
Reviewed By: vsk
Differential Revision: http://reviews.llvm.org/D12847
llvm-svn: 247982
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/docs/LangRef.rst | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst index 08991d0f8f0..c7ceb73da37 100644 --- a/llvm/docs/LangRef.rst +++ b/llvm/docs/LangRef.rst @@ -6812,9 +6812,10 @@ Syntax: :: - <result> = load [volatile] <ty>, <ty>* <pointer>[, align <alignment>][, !nontemporal !<index>][, !invariant.load !<index>][, !invariant.group !<index>][, !nonnull !<index>][, !dereferenceable !<index>][, !dereferenceable_or_null !<index>] + <result> = load [volatile] <ty>, <ty>* <pointer>[, align <alignment>][, !nontemporal !<index>][, !invariant.load !<index>][, !invariant.group !<index>][, !nonnull !<index>][, !dereferenceable !<deref_bytes_node>][, !dereferenceable_or_null !<deref_bytes_node>] <result> = load atomic [volatile] <ty>* <pointer> [singlethread] <ordering>, align <alignment> [, !invariant.group !<index>] !<index> = !{ i32 1 } + !<deref_bytes_node> = !{i64 <dereferenceable_bytes>} Overview: """"""""" @@ -6880,8 +6881,8 @@ never be null. This is analogous to the ``nonnull`` attribute on parameters and return values. This metadata can only be applied to loads of a pointer type. -The optional ``!dereferenceable`` metadata must reference a single -metadata name ``<index>`` corresponding to a metadata node with one ``i64`` +The optional ``!dereferenceable`` metadata must reference a single metadata +name ``<deref_bytes_node>`` corresponding to a metadata node with one ``i64`` entry. The existence of the ``!dereferenceable`` metadata on the instruction tells the optimizer that the value loaded is known to be dereferenceable. The number of bytes known to be dereferenceable is specified by the integer @@ -6890,8 +6891,8 @@ attribute on parameters and return values. This metadata can only be applied to loads of a pointer type. The optional ``!dereferenceable_or_null`` metadata must reference a single -metadata name ``<index>`` corresponding to a metadata node with one ``i64`` -entry. The existence of the ``!dereferenceable_or_null`` metadata on the +metadata name ``<deref_bytes_node>`` corresponding to a metadata node with one +``i64`` entry. The existence of the ``!dereferenceable_or_null`` metadata on the instruction tells the optimizer that the value loaded is known to be either dereferenceable or null. The number of bytes known to be dereferenceable is specified by the integer |
