mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-17 21:29:20 +00:00
document the byval parameter attribute.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45855 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
497b7e97c0
commit
47507ded8c
@ -799,27 +799,41 @@ declare i32 @atoi(i8*) nounwind readonly
|
|||||||
<dt><tt>zeroext</tt></dt>
|
<dt><tt>zeroext</tt></dt>
|
||||||
<dd>This indicates that the parameter should be zero extended just before
|
<dd>This indicates that the parameter should be zero extended just before
|
||||||
a call to this function.</dd>
|
a call to this function.</dd>
|
||||||
|
|
||||||
<dt><tt>signext</tt></dt>
|
<dt><tt>signext</tt></dt>
|
||||||
<dd>This indicates that the parameter should be sign extended just before
|
<dd>This indicates that the parameter should be sign extended just before
|
||||||
a call to this function.</dd>
|
a call to this function.</dd>
|
||||||
|
|
||||||
<dt><tt>inreg</tt></dt>
|
<dt><tt>inreg</tt></dt>
|
||||||
<dd>This indicates that the parameter should be placed in register (if
|
<dd>This indicates that the parameter should be placed in register (if
|
||||||
possible) during assembling function call. Support for this attribute is
|
possible) during assembling function call. Support for this attribute is
|
||||||
target-specific</dd>
|
target-specific</dd>
|
||||||
|
|
||||||
|
<dt><tt>byval</tt></dt>
|
||||||
|
<dd>This indicates that the pointer parameter is really an aggregate that
|
||||||
|
was passed by value to the function. The attribute implies that a hidden
|
||||||
|
copy of the struct is made between the caller and the callee, so the
|
||||||
|
callee is unable to modify the struct in the callee. This attribute is only
|
||||||
|
valid on llvm pointer arguments.</dd>
|
||||||
|
|
||||||
<dt><tt>sret</tt></dt>
|
<dt><tt>sret</tt></dt>
|
||||||
<dd>This indicates that the parameter specifies the address of a structure
|
<dd>This indicates that the parameter specifies the address of a structure
|
||||||
that is the return value of the function in the source program.</dd>
|
that is the return value of the function in the source program.</dd>
|
||||||
|
|
||||||
<dt><tt>noalias</tt></dt>
|
<dt><tt>noalias</tt></dt>
|
||||||
<dd>This indicates that the parameter not alias any other object or any
|
<dd>This indicates that the parameter not alias any other object or any
|
||||||
other "noalias" objects during the function call.
|
other "noalias" objects during the function call.
|
||||||
|
|
||||||
<dt><tt>noreturn</tt></dt>
|
<dt><tt>noreturn</tt></dt>
|
||||||
<dd>This function attribute indicates that the function never returns. This
|
<dd>This function attribute indicates that the function never returns. This
|
||||||
indicates to LLVM that every call to this function should be treated as if
|
indicates to LLVM that every call to this function should be treated as if
|
||||||
an <tt>unreachable</tt> instruction immediately followed the call.</dd>
|
an <tt>unreachable</tt> instruction immediately followed the call.</dd>
|
||||||
|
|
||||||
<dt><tt>nounwind</tt></dt>
|
<dt><tt>nounwind</tt></dt>
|
||||||
<dd>This function attribute indicates that the function type does not use
|
<dd>This function attribute indicates that the function type does not use
|
||||||
the unwind instruction and does not allow stack unwinding to propagate
|
the unwind instruction and does not allow stack unwinding to propagate
|
||||||
through it.</dd>
|
through it.</dd>
|
||||||
|
|
||||||
<dt><tt>nest</tt></dt>
|
<dt><tt>nest</tt></dt>
|
||||||
<dd>This indicates that the parameter can be excised using the
|
<dd>This indicates that the parameter can be excised using the
|
||||||
<a href="#int_trampoline">trampoline intrinsics</a>.</dd>
|
<a href="#int_trampoline">trampoline intrinsics</a>.</dd>
|
||||||
|
Loading…
Reference in New Issue
Block a user