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[asan] update docs to allow, but discourage, -O0 

llvm-svn: 145653
This commit is contained in:
Kostya Serebryany 2011-12-02 00:24:42 +00:00
parent bfd5addf4c
commit 3aac38e90f
1 changed files with 5 additions and 4 deletions
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9
clang/docs/AddressSanitizer.html
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@ -41,10 +41,11 @@ The tool can detect the following types of bugs:
Typical slowdown introduced by AddressSanitizer is <b>2x</b>.
<h2 id="intro">Usage</h2>
In order to use AddressSanitizer simply compile and link your program with
<tt>-faddress-sanitizer</tt> flag and optimization level <tt>-O1</tt> or higher
and then run it. If a bug is detected, the program will print an error message
and exit.
In order to use AddressSanitizer simply compile and link your program with
<tt>-faddress-sanitizer</tt> flag.
To get a reasonable performance add <tt>-O1</tt> or higher.
If a bug is detected, the program will print an error message and exit with a
non-zero exit code.
<h3 id="has_feature">__has_feature(address_sanitizer)</h3>
In some cases one may need to execute different code depending on whether