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Author SHA1 Message Date
Johannes Doerfert 4d9bb8d594 Allow all combinations of types and subscripts for memory accesses 
To support non-aligned accesses we introduce a virtual element size
  for arrays that divides each access function used for this array. The
  adjustment of the access function based on the element size of the
  array was therefore moved after this virtual element size was
  determined, thus after all accesses have been created.

Differential Revision: http://reviews.llvm.org/D17246

llvm-svn: 261226
 2016-02-18 16:50:12 +00:00
Johannes Doerfert a4b77c079b [FIX] Bail if access function is not divisible by element size. 
llvm-svn: 252942
 2015-11-12 20:15:32 +00:00
Johannes Doerfert b864c2c3c9 [FIX] Do not try to hoist "empty" accesses 
Accesses that have a relative offset (in bytes) that is not divisible
  by the type size (in bytes) will be represented as empty in the SCoP
  description. This is on its own not good but it also crashed the
  invariant load hoisting. This patch will fix the latter problem while
  the former should be addressed too.

  This fixes bug 25236.

llvm-svn: 250664
 2015-10-18 19:50:18 +00:00