[PATCH] D124861: Correct off-by-one error in the LangRef bitreverse intrinsic semantics

[David Kreitzer via Phabricator via llvm-commits]

dkreitzer created this revision.
dkreitzer added reviewers: RKSimon, spatel.
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Should be pretty obvious.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D124861

Files:
  llvm/docs/LangRef.rst


Index: llvm/docs/LangRef.rst
===================================================================
--- llvm/docs/LangRef.rst
+++ llvm/docs/LangRef.rst
@@ -14945,7 +14945,7 @@
 """"""""""
 
 The ``llvm.bitreverse.iN`` intrinsic returns an iN value that has bit
-``M`` in the input moved to bit ``N-M`` in the output. The vector
+``M`` in the input moved to bit ``N-M-1`` in the output. The vector
 intrinsics, such as ``llvm.bitreverse.v4i32``, operate on a per-element
 basis and the element order is not affected.
 


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