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8 Commits

Author SHA1 Message Date
Philip Pfaffe b39a97c8f6 [NewPM] Port Msan 
Summary:
Keeping msan a function pass requires replacing the module level initialization:
That means, don't define a ctor function which calls __msan_init, instead just
declare the init function at the first access, and add that to the global ctors
list.

Changes:
- Pull the actual sanitizer and the wrapper pass apart.
- Add a newpm msan pass. The function pass inserts calls to runtime
  library functions, for which it inserts declarations as necessary.
- Update tests.

Caveats:
- There is one test that I dropped, because it specifically tested the
  definition of the ctor.

Reviewers: chandlerc, fedor.sergeev, leonardchan, vitalybuka

Subscribers: sdardis, nemanjai, javed.absar, hiraditya, kbarton, bollu, atanasyan, jsji

Differential Revision: https://reviews.llvm.org/D55647

llvm-svn: 350305
 2019-01-03 13:42:44 +00:00
Craig Topper 2b54baeb96 [X86] Replace 'REQUIRES: x86' in tests with 'REQUIRES: x86-registered-target' which seems to be the correct way to make them run on an x86 build. 
llvm-svn: 304682
 2017-06-04 08:21:58 +00:00
Justin Bogner 3a3e115e81 MSan: Mark MemorySanitizer tests that use x86 intrinsics as REQUIRES: x86 
Tests that use target intrinsics are inherently target specific. Mark
them as such.

llvm-svn: 302990
 2017-05-13 16:24:38 +00:00
Craig Topper c7486af9c9 [AVX-512] Add AVX-512 vector shift intrinsics to memory santitizer. 
Just needed to add the intrinsics to the exist switch. The code is generic enough to support the wider vectors with no changes.

llvm-svn: 286980
 2016-11-15 16:27:33 +00:00
Craig Topper f565d37607 [X86] Remove some unnecessary declarations for old intrinsics from a test. 
llvm-svn: 271175
 2016-05-29 06:37:39 +00:00
Evgeniy Stepanov b0b2d4d2c9 Use CHECK-LABEL in MSan IR tests. 
This actually found one case when a test was matching instructions
from the output of a different test.

llvm-svn: 245974
 2015-08-25 20:59:26 +00:00
Evgeniy Stepanov 89c40a8b2d [msan] Add missing attributes in MemorySanitizer tests. 
llvm-svn: 212267
 2014-07-03 11:49:50 +00:00
Evgeniy Stepanov 77be532f71 [msan] Handle X86 SIMD bitshift intrinsics. 
llvm-svn: 202712
 2014-03-03 13:47:42 +00:00