[llvm] r216070 - Add note to LangRef about how function arguments can be unnamed and
Dan Liew
dan at su-root.co.uk
Wed Aug 20 08:06:31 PDT 2014
Author: delcypher
Date: Wed Aug 20 10:06:30 2014
New Revision: 216070
URL: http://llvm.org/viewvc/llvm-project?rev=216070&view=rev
Log:
Add note to LangRef about how function arguments can be unnamed and
how this affects the numbering of unnamed temporaries.
Modified:
llvm/trunk/docs/LangRef.rst
Modified: llvm/trunk/docs/LangRef.rst
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/LangRef.rst?rev=216070&r1=216069&r2=216070&view=diff
==============================================================================
--- llvm/trunk/docs/LangRef.rst (original)
+++ llvm/trunk/docs/LangRef.rst Wed Aug 20 10:06:30 2014
@@ -129,9 +129,10 @@ lexical features of LLVM:
#. Unnamed temporaries are created when the result of a computation is
not assigned to a named value.
#. Unnamed temporaries are numbered sequentially (using a per-function
- incrementing counter, starting with 0). Note that basic blocks are
- included in this numbering. For example, if the entry basic block is not
- given a label name, then it will get number 0.
+ incrementing counter, starting with 0). Note that basic blocks and unnamed
+ function parameters are included in this numbering. For example, if the
+ entry basic block is not given a label name and all function parameters are
+ named, then it will get number 0.
It also shows a convention that we follow in this document. When
demonstrating instructions, we will follow an instruction with a comment
@@ -681,6 +682,14 @@ Syntax::
[unnamed_addr] [fn Attrs] [section "name"] [comdat $<ComdatName>]
[align N] [gc] [prefix Constant] { ... }
+The argument list is a comma seperated sequence of arguments where each
+argument is of the following form
+
+Syntax::
+
+ <type> [parameter Attrs] [name]
+
+
.. _langref_aliases:
Aliases
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