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PR28516: Fix LangRef description of call and invoke to match IR changes for typeless pointers

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llvm-svn: 275283
This commit is contained in:
David Blaikie 2016-07-13 17:21:34 +00:00
parent 9e8e8522ad
commit aec0fbf787
1 changed files with 16 additions and 14 deletions
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docs/LangRef.rst
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@ -5483,7 +5483,7 @@ Syntax:
::
<result> = invoke [cconv] [ret attrs] <ptr to function ty> <function ptr val>(<function args>) [fn attrs]
<result> = invoke [cconv] [ret attrs] <ty>|<fnty> <fnptrval>(<function args>) [fn attrs]
[operand bundles] to label <normal label> unwind label <exception label>
Overview:
@ -5519,12 +5519,16 @@ This instruction requires several arguments:
#. The optional :ref:`Parameter Attributes <paramattrs>` list for return
values. Only '``zeroext``', '``signext``', and '``inreg``' attributes
are valid here.
#. '``ptr to function ty``': shall be the signature of the pointer to
function value being invoked. In most cases, this is a direct
function invocation, but indirect ``invoke``'s are just as possible,
branching off an arbitrary pointer to function value.
#. '``function ptr val``': An LLVM value containing a pointer to a
function to be invoked.
#. '``ty``': the type of the call instruction itself which is also the
type of the return value. Functions that return no value are marked
``void``.
#. '``fnty``': shall be the signature of the function being invoked. The
argument types must match the types implied by this signature. This
type can be omitted if the function is not varargs.
#. '``fnptrval``': An LLVM value containing a pointer to a function to
be invoked. In most cases, this is a direct function invocation, but
indirect ``invoke``'s are just as possible, calling an arbitrary pointer
to function value.
#. '``function args``': argument list whose types match the function
signature argument types and parameter attributes. All arguments must
be of :ref:`first class <t_firstclass>` type. If the function signature
@ -8493,7 +8497,7 @@ Syntax:
::
<result> = [tail | musttail | notail ] call [fast-math flags] [cconv] [ret attrs] <ty> [<fnty>*] <fnptrval>(<function args>) [fn attrs]
<result> = [tail | musttail | notail ] call [fast-math flags] [cconv] [ret attrs] <ty>|<fnty> <fnptrval>(<function args>) [fn attrs]
[ operand bundles ]
Overview:
@ -8566,13 +8570,11 @@ This instruction requires several arguments:
#. '``ty``': the type of the call instruction itself which is also the
type of the return value. Functions that return no value are marked
``void``.
#. '``fnty``': shall be the signature of the pointer to function value
being invoked. The argument types must match the types implied by
this signature. This type can be omitted if the function is not
varargs and if the function type does not return a pointer to a
function.
#. '``fnty``': shall be the signature of the function being called. The
argument types must match the types implied by this signature. This
type can be omitted if the function is not varargs.
#. '``fnptrval``': An LLVM value containing a pointer to a function to
be invoked. In most cases, this is a direct function invocation, but
be called. In most cases, this is a direct function call, but
indirect ``call``'s are just as possible, calling an arbitrary pointer
to function value.
#. '``function args``': argument list whose types match the function