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Author SHA1 Message Date
Tobias Grosser 7cb809983d [tests] Force invariant load hoisting for test cases that need it -- III 
llvm-svn: 278673
 2016-08-15 15:56:24 +00:00
Michael Kruse 959a8dc39f Update to ISL 0.16.1 
llvm-svn: 257898
 2016-01-15 15:54:45 +00:00
Tobias Grosser 2f8e43d677 ScopInfo: Add support for delinearizing fortran arrays 
gfortran (and fortran in general?) does not compute the address of an array
element directly from the array sizes (e.g., %s0, %s1), but takes first the
maximum of the sizes and 0 (e.g., max(0, %s0)) before multiplying the resulting
value with the per-dimension array subscript expressions. To successfully
delinearize index expressions as we see them in fortran, we first filter 'smax'
expressions out of the SCEV expression, use them to guess array size parameters
and only then continue with the existing delinearization.

llvm-svn: 253995
 2015-11-24 17:06:38 +00:00