[PATCH] D86637: [LangRef] get.active.lane.mask can produce poison
Sjoerd Meijer via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 27 00:58:17 PDT 2020
This revision was automatically updated to reflect the committed changes.
Closed by commit rGca243b07276a: [LangRef] get.active.lane.mask can produce poison value (authored by SjoerdMeijer).
Changed prior to commit:
https://reviews.llvm.org/D86637?vs=288009&id=288220#toc
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D86637/new/
https://reviews.llvm.org/D86637
Files:
llvm/docs/LangRef.rst
Index: llvm/docs/LangRef.rst
===================================================================
--- llvm/docs/LangRef.rst
+++ llvm/docs/LangRef.rst
@@ -16937,9 +16937,9 @@
indexed by ``i``, and ``%base``, ``%n`` are the two arguments to
``llvm.get.active.lane.mask.*``, ``%icmp`` is an integer compare and ``ult``
the unsigned less-than comparison operator. Overflow cannot occur in
-``(%base + i)`` and its comparison against ``%n`` with ``%n > 0``, as it is
-performed in integer numbers and not in machine numbers. The above is
-equivalent to:
+``(%base + i)`` and its comparison against ``%n`` as it is performed in integer
+numbers and not in machine numbers. If ``%n`` is ``0``, then the result a
+poison value. The above is equivalent to:
::
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