Commit Graph

8 Commits

Author SHA1 Message Date
Jonas Schievink
484db5b08a Properly inherit conflicts when merging locals 2020-09-18 21:23:01 +02:00
Jonas Schievink
934634eacc More logging 2020-09-18 21:23:01 +02:00
Jonas Schievink
88538adf9a Record intra-statement/terminator conflicts
Some MIR statements and terminators have an (undocumented...) invariant
that some of their input and outputs must not overlap. This records
conflicts between locals used in these positions.
2020-09-18 21:23:01 +02:00
Jonas Schievink
ddd6930b54 perf: bail out when there's >500 candidate locals 2020-09-18 21:23:01 +02:00
Jonas Schievink
ab26fb140c perf: only calculate conflicts for candidates 2020-09-18 21:23:01 +02:00
Jonas Schievink
402f863d8a perf: walk liveness backwards in Conflicts::build 2020-09-18 21:23:00 +02:00
Jonas Schievink
812d4bbc8d Fix dataflow assert errors 2020-09-18 21:23:00 +02:00
Jonas Schievink
78ff69ba10 Implement a destination propagation pass 2020-09-18 21:23:00 +02:00