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| author | Kostya Serebryany <kcc@google.com> | 2011-12-02 00:24:42 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2011-12-02 00:24:42 +0000 |
| commit | b87699353a1a802f69e85ae2a125300de423ea09 (patch) | |
| tree | 045558e8db20fa52dcb4a3fc2bf904f2197bebb0 /docs | |
| parent | ee1ad99f1ced9ffee436466ef674d4541c37864e (diff) | |
[asan] update docs to allow, but discourage, -O0
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145653 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/AddressSanitizer.html | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/docs/AddressSanitizer.html b/docs/AddressSanitizer.html index aa07ae8a49..c6a1850f46 100644 --- a/docs/AddressSanitizer.html +++ b/docs/AddressSanitizer.html @@ -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 |