[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 Jakub Jelinek changed: What|Removed |Added Target Milestone|6.5 |7.4 --- Comment #19 from Jakub Jelinek

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #18 from Martin Liška --- Good job, tramp3d works now ;)

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 Richard Biener changed: What|Removed |Added Known to work||8.0 Summary|[6/7/8

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #17 from Richard Biener --- Author: rguenth Date: Fri Sep 15 07:03:02 2017 New Revision: 252780 URL: https://gcc.gnu.org/viewcvs?rev=252780=gcc=rev Log: 2017-09-15 Richard Biener PR

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #11 from Sebastian Pop --- (In reply to Richard Biener from comment #10) > But then with different number of subscripts (and also likely different > DR_BASE_OBJECT) you can't do anything with them and have to assume > dependence.

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #10 from Richard Biener --- (In reply to Sebastian Pop from comment #7) > (In reply to Martin Liška from comment #5) > > Created attachment 40662 [details] > > Isolated graphite dump for miscompiled function > > > > As shown in the

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #9 from Sebastian Pop --- /* Determines the base object and the list of indices of memory reference DR, analyzed in LOOP and instantiated in loop nest NEST. */ static void dr_analyze_indices (struct data_reference *dr, loop_p

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #8 from Sebastian Pop --- The code in fault is called from pdr_add_memory_accesses() Maybe the problem is in parsing the gimple MEM[] into a data reference.

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #7 from Sebastian Pop --- (In reply to Martin Liška from comment #5) > Created attachment 40662 [details] > Isolated graphite dump for miscompiled function > > As shown in the dump file, there are dependencies for the problematic

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #6 from Martin Liška --- And I'm also trying to reduce a self-contained test-case.

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #5 from Martin Liška --- Created attachment 40662 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40662=edit Isolated graphite dump for miscompiled function As shown in the dump file, there are dependencies for the problematic

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #4 from Sebastian Pop --- The data dependence relations are dumped in the output of -fdump-tree-graphite-all. graphite-dependences.c contains the code for the data dependence computations. Looking at the gimple code it seems like a

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 --- Comment #3 from Martin Liška --- Ok, fails with: g++ -floop-nest-optimize -Ofast -w tramp3d-v4.cpp -fdump-tree-graphite-details -$ fdbg-cnt=graphite_scop:4 Problem are following side-by-side loops: [scheduler] original ast: { for (int

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 Richard Biener changed: What|Removed |Added Priority|P4 |P2 Target Milestone|---

[Bug tree-optimization/68823] [6/7 Regression][graphite] tramp3d-v4 compiled with -floop-nest-optimize crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68823 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|