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Leonard Chan 9cbbc6a096 [NewPM] Second attempt at porting ASan

This is the second attempt to port ASan to new PM after D52739. This takes the
initialization requried by ASan from the Module by moving it into a separate
class with it's own analysis that the new PM ASan can use.

Changes:
- Split AddressSanitizer into 2 passes: 1 for the instrumentation on the
  function, and 1 for the pass itself which creates an instance of the first
  during it's run. The same is done for AddressSanitizerModule.
- Add new PM AddressSanitizer and AddressSanitizerModule.
- Add legacy and new PM analyses for reading data needed to initialize ASan with.
- Removed DominatorTree dependency from ASan since it was unused.
- Move GlobalsMetadata and ShadowMapping out of anonymous namespace since the
  new PM analysis holds these 2 classes and will need to expose them.

Differential Revision: https://reviews.llvm.org/D56470

llvm-svn: 353985

2019-02-13 22:22:48 +00:00

AddressSanitizer

[NewPM] Second attempt at porting ASan

2019-02-13 22:22:48 +00:00

BoundsChecking

Fix crash in bounds checking.

2018-08-03 17:12:23 +00:00

DataFlowSanitizer

[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label.

2018-05-09 02:40:45 +00:00

EfficiencySanitizer

Remove alignment argument from memcpy/memmove/memset in favour of alignment attributes (Step 1)