[PATCH] D135244: [LangRef][VP] Change masked-off lanes from undef to poison

[Fraser Cormack via Phabricator via llvm-commits]

frasercrmck created this revision.
frasercrmck added reviewers: simoll, craig.topper, reames, eopXD, rogfer01.
Herald added subscribers: StephenFan, jdoerfert.
Herald added a project: All.
frasercrmck requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

These were all changed in 32b1b06b7081bd722750c6f3d528336f3f7ed34b <https://reviews.llvm.org/rG32b1b06b7081bd722750c6f3d528336f3f7ed34b> (as
discussed in D133967 <https://reviews.llvm.org/D133967>) but some intrinsics introduced since have
re-introduced `undef` as the masked-off value.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D135244

Files:
  llvm/docs/LangRef.rst


Index: llvm/docs/LangRef.rst
===================================================================
--- llvm/docs/LangRef.rst
+++ llvm/docs/LangRef.rst
@@ -21508,8 +21508,8 @@
 """"""""""
 
 The '``llvm.vp.ceil``' intrinsic performs floating-point ceiling
-(:ref:`ceil <int_ceil>`) of the first vector operand on each enabled lane.  The
-result on disabled lanes is undefined.
+(:ref:`ceil <int_ceil>`) of the first vector operand on each enabled lane. The
+result on disabled lanes is a :ref:`poison value <poisonvalues>`.
 
 Examples:
 """""""""
@@ -21555,8 +21555,8 @@
 """"""""""
 
 The '``llvm.vp.floor``' intrinsic performs floating-point floor
-(:ref:`floor <int_floor>`) of the first vector operand on each enabled lane.  The
-result on disabled lanes is undefined.
+(:ref:`floor <int_floor>`) of the first vector operand on each enabled lane.
+The result on disabled lanes is a :ref:`poison value <poisonvalues>`.
 
 Examples:
 """""""""
@@ -21602,8 +21602,8 @@
 """"""""""
 
 The '``llvm.vp.round``' intrinsic performs floating-point round
-(:ref:`round <int_round>`) of the first vector operand on each enabled lane.  The
-result on disabled lanes is undefined.
+(:ref:`round <int_round>`) of the first vector operand on each enabled lane.
+The result on disabled lanes is a :ref:`poison value <poisonvalues>`.
 
 Examples:
 """""""""
@@ -21649,8 +21649,8 @@
 """"""""""
 
 The '``llvm.vp.roundeven``' intrinsic performs floating-point roundeven
-(:ref:`roundeven <int_roundeven>`) of the first vector operand on each enabled lane.  The
-result on disabled lanes is undefined.
+(:ref:`roundeven <int_roundeven>`) of the first vector operand on each enabled
+lane. The result on disabled lanes is a :ref:`poison value <poisonvalues>`.
 
 Examples:
 """""""""


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