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Incorrect elimination of bit slices #105

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mihaibudiu opened this issue Oct 14, 2016 · 0 comments
Closed

Incorrect elimination of bit slices #105

mihaibudiu opened this issue Oct 14, 2016 · 0 comments

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@mihaibudiu
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@ChrisDodd
The pass LowerExpressions from the p4c-bm2-ss compiler incorrectly transforms:
(packet.lookahead<bit<24>>())[0:0]
to
(bit<1>)((packet.lookahead<bit<24>>()) >> 0)
Repro in p4_14_samples/parser_dc_full.p4
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