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Tobias Grosser 07b2095234 Update isl to isl-0.17.1-57-g1879898 
With this update the isl AST generation extracts disjunctive constraints early
on. As a result, code that previously resulted in two branches with (close-to)
identical code within them:

  if (P <= -1) {
    for (int c0 = 0; c0 < N; c0 += 1)
      Stmt_store(c0);
  } else if (P >= 1)
    for (int c0 = 0; c0 < N; c0 += 1)
       Stmt_store(c0);

results now in only a single branch body:

  if (P <= -1 || P >= 1)
    for (int c0 = 0; c0 < N; c0 += 1)
       Stmt_store(c0);

This resolves http://llvm.org/PR27559

Besides the above change, this isl update brings better simplification of
sets/maps containing existentially quantified dimensions and fixes a bug in
isl's coalescing.

llvm-svn: 272500
 		2016-06-12 04:30:40 +00:00
..
CodeGen/OpenMP Update to ISL 0.17. 2016-05-04 14:41:36 +00:00
DeadCodeElimination [Polly] Remove unwanted --check-prefix=CHECK from unit tests. NFC. 2016-04-15 06:12:29 +00:00
DependenceInfo Add fine-grain dependences analysis to release notes. 2016-03-28 12:41:49 +00:00
Isl Update isl to isl-0.17.1-57-g1879898 2016-06-12 04:30:40 +00:00
ScheduleOptimizer [GSoC 2016] [Polly] [FIX] Determination of statements that contain matrix 2016-05-31 11:22:21 +00:00
ScopDetect Weaken profitability constraints during ScopDetection 2016-05-10 14:42:30 +00:00
ScopDetectionDiagnostics Cleanup rejection log handling [NFC] 2016-05-12 18:50:01 +00:00
ScopInfo Recommit: "Look through IntToPtr & PtrToInt instructions" 2016-06-11 19:26:08 +00:00
CMakeLists.txt Reapply "Add update_test.py script." 2016-02-29 14:58:13 +00:00
README
…
create_ll.sh Small change to create_ll.sh [NFC] 2015-03-08 15:36:27 +00:00
lit.cfg Make the lit configuration Python 3 compatible 2015-07-24 20:33:22 +00:00
lit.site.cfg.in Do not by default minimize remarks 2016-04-12 16:09:44 +00:00
polly.ll tests: Drop -polly-detect-unprofitable and -polly-no-early-exit 2015-10-06 15:36:44 +00:00
update_check.py Add InvalidContext to update_test.py. 2016-04-14 15:22:04 +00:00

README 

place tests here