Commit Graph

3 Commits

Author SHA1 Message Date
Sam Parker a3e41d4581 [ARM] Make MachineVerifier more strict about terminators
Fix the ARM backend's analyzeBranch so it doesn't ignore predicated
return instructions, and make the MachineVerifier rule more strict.

Differential Revision: https://reviews.llvm.org/D40061
2020-08-27 07:10:20 +01:00
Roger Ferrer Ibanez 14bc5e149d [DAGCombiner] Rebuild (setcc x, y, ==) from (xor (xor x, y), 1)
The existing code already considered this case. Unfortunately a typo in
the condition prevents it from triggering. Also the existing code, had
it run, forgot to do the folding.

This fixes PR42876.

Differential Revision: https://reviews.llvm.org/D65802
2020-07-15 07:34:22 +00:00
Roger Ferrer Ibanez 2b6215f188 [NFC] Add tests for boolean comparisons
They currently show that the not equal case may be improved.

See PR42876

Differential Revision: https://reviews.llvm.org/D65801
2020-07-15 07:33:43 +00:00