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3 Commits

Author SHA1 Message Date
Ramkumar Ramachandra
c904d5075f MemDerefPrinter: Require DataLayoutPass for higher accuracy 
Without a valid data layout, deferenceable(N) doesn't get parsed or
propagated. Since this is the key item we are testing, add a dependency
on the pass.

Differential Revision: http://reviews.llvm.org/D7508

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228611 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-02-09 21:50:03 +00:00
Ramkumar Ramachandra
ba59efdfc8 isDereferenceablePointer: look through gc.relocate calls 
While a theoretical GC might change dereferenceability on collection,
there is no such known collector and no need to account for the case
with a flag yet.

Differential Revision: http://reviews.llvm.org/D7454

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228606 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-02-09 21:08:03 +00:00
Ramkumar Ramachandra
ab28439f9a Introduce print-memderefs to test isDereferenceablePointer 
Since testing the function indirectly is tricky, introduce a direct
print-memderefs pass, in the same spirit as print-memdeps, which prints
dereferenceability information matched by FileCheck.

Differential Revision: http://reviews.llvm.org/D7075

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228369 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-02-06 01:46:42 +00:00