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Clarify that an alignment of 0 or 1 on a mem* intrinsic means 'no alignment'. 

llvm-svn: 193012
This commit is contained in:
Bill Wendling 2013-10-18 23:26:55 +00:00
parent d8b98a9942
commit 61163151f7
1 changed files with 3 additions and 3 deletions
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6
llvm/docs/LangRef.rst
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@ -6874,7 +6874,7 @@ The '``llvm.memcpy.*``' intrinsics copy a block of memory from the
source location to the destination location, which are not allowed to
overlap. It copies "len" bytes of memory over. If the argument is known
to be aligned to some boundary, this can be specified as the fourth
argument, otherwise it should be set to 0 or 1.
argument, otherwise it should be set to 0 or 1 (both meaning no alignment).
'``llvm.memmove``' Intrinsic
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -6929,7 +6929,7 @@ The '``llvm.memmove.*``' intrinsics copy a block of memory from the
source location to the destination location, which may overlap. It
copies "len" bytes of memory over. If the argument is known to be
aligned to some boundary, this can be specified as the fourth argument,
otherwise it should be set to 0 or 1.
otherwise it should be set to 0 or 1 (both meaning no alignment).
'``llvm.memset.*``' Intrinsics
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@ -6980,7 +6980,7 @@ Semantics:
The '``llvm.memset.*``' intrinsics fill "len" bytes of memory starting
at the destination location. If the argument is known to be aligned to
some boundary, this can be specified as the fourth argument, otherwise
it should be set to 0 or 1.
it should be set to 0 or 1 (both meaning no alignment).
'``llvm.sqrt.*``' Intrinsic
^^^^^^^^^^^^^^^^^^^^^^^^^^^