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Author SHA1 Message Date
Tobias Grosser f4ee371e60 tests: Drop -polly-detect-unprofitable and -polly-no-early-exit 
These flags are now always passed to all tests and need to be disabled if
not needed. Disabling these flags, rather than passing them to almost all
tests, significantly simplfies our RUN: lines.

llvm-svn: 249422
 2015-10-06 15:36:44 +00:00
Johannes Doerfert 717b866798 Allow PHI nodes in the region exit block 
While we do not need to model PHI nodes in the region exit (as it is not part
  of the SCoP), we need to prepare for the case that the exit block is split in
  code generation to create a single exiting block. If this will happen, hence
  if the region did not have a single exiting block before, we will model the
  operands of the PHI nodes as escaping scalars in the SCoP.

Differential Revision: http://reviews.llvm.org/D12051

llvm-svn: 247078
 2015-09-08 21:44:27 +00:00
Michael Kruse 4adb0279a8 Add test case with PHI node in exit block 
The PHI node with multiple incoming edges from inside the region.

Thanks Tobias for coming up with the example. 

llvm-svn: 244456
 2015-08-10 16:17:59 +00:00