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3 Commits

Author SHA1 Message Date
Johannes Doerfert d5edbd61a1 [FIX] Do not create a SCoP in the presence of infinite loops 
If a loop has no exiting blocks the region covering we use during
  schedule genertion might not cover that loop properly. For now we bail
  out as we would not optimize these loops anyway.

llvm-svn: 265280
 2016-04-03 23:09:06 +00:00
Tobias Grosser 151ae32dba Revert "[FIX] Do not create a SCoP in the presence of infinite loops" 
This reverts commit r265260, as it caused the following 'make check-polly'
failures:

    Polly :: ScopDetect/index_from_unpredictable_loop.ll
    Polly :: ScopInfo/multiple_exiting_blocks.ll
    Polly :: ScopInfo/multiple_exiting_blocks_two_loop.ll
    Polly :: ScopInfo/schedule-const-post-dominator-walk-2.ll
    Polly :: ScopInfo/schedule-const-post-dominator-walk.ll
    Polly :: ScopInfo/switch-5.ll

llvm-svn: 265272
 2016-04-03 19:36:52 +00:00
Johannes Doerfert 7dcceb82e9 [FIX] Do not create a SCoP in the presence of infinite loops 
If a loop has no exiting blocks the region covering we use during
  schedule genertion might not cover that loop properly. For now we bail
  out as we would not optimize these loops anyway.

llvm-svn: 265260
 2016-04-03 11:12:39 +00:00