Fixed imprecision in SCCP #558
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Also added a new simplification that removes add/sub with 0.
hernanponcedeleon
approved these changes
Nov 8, 2023
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This PR fixes a long standing issue where SCCP failed to propagate some constants over
gotos.I also added the simplification
x +- 0 = x.With both changes, some code gets heavily reduced especially when unrolling loops beyond their static bounds.