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Author SHA1 Message Date
Alexander Potapenko 7aafd31dad [ASan] Add -asan-module to the ASan .ll tests. 
After the -asan pass had been split into -asan (function-level) and -asan-module (module-level) some of the
tests have silently stopped working, because they didn't instrument the globals anymore.
We've decided to have every test using both passes, irrespective of the presence of globals in it.

llvm-svn: 204335
 2014-03-20 11:16:34 +00:00
Kostya Serebryany 530e207d8a [asan] don't unpoison redzones on function exit in use-after-return mode. 
Summary:
Before this change the instrumented code before Ret instructions looked like:
  <Unpoison Frame Redzones>
  if (Frame != OriginalFrame) // I.e. Frame is fake
     <Poison Complete Frame>

Now the instrumented code looks like:
  if (Frame != OriginalFrame) // I.e. Frame is fake
     <Poison Complete Frame>
  else
     <Unpoison Frame Redzones>

Reviewers: eugenis

Reviewed By: eugenis

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2458

llvm-svn: 197907
 2013-12-23 14:15:08 +00:00