From 1edaeb61b29cbc8b834fb58ba80aa0db4bfb849d Mon Sep 17 00:00:00 2001 From: Andrea Di Biagio Date: Fri, 9 Aug 2013 18:42:18 +0000 Subject: [PATCH] Add description of function attribute 'minsize' in LangRef.rst. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188091 91177308-0d34-0410-b5e6-96231b3b80d8 --- docs/LangRef.rst | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/docs/LangRef.rst b/docs/LangRef.rst index 5b8ecd85c62..a8feb12a126 100644 --- a/docs/LangRef.rst +++ b/docs/LangRef.rst @@ -833,6 +833,11 @@ example: inlining this function is desirable (such as the "inline" keyword in C/C++). It is just a hint; it imposes no requirements on the inliner. +``minsize`` + This attribute suggests that optimization passes and code generator + passes make choices that keep the code size of this function as small + as possible and perform optimizations that may sacrifice runtime + performance in order to minimize the size of the generated code. ``naked`` This attribute disables prologue / epilogue emission for the function. This can have very system-specific consequences. @@ -877,7 +882,8 @@ example: ``optsize`` This attribute suggests that optimization passes and code generator passes make choices that keep the code size of this function low, - and otherwise do optimizations specifically to reduce code size. + and otherwise do optimizations specifically to reduce code size as + long as they do not significantly impact runtime performance. ``readnone`` On a function, this attribute indicates that the function computes its result (or decides to unwind an exception) based strictly on its arguments,