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author | Björn Gustavsson <[email protected]> | 2016-05-23 20:13:48 +0200 |
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committer | Björn Gustavsson <[email protected]> | 2016-09-21 14:07:53 +0200 |
commit | 01835845579e9f0a8da3574864747cd3ba10db6e (patch) | |
tree | 024bddef605721cc1c22a1827ceb0fdb8df93525 /lib/erl_docgen/priv/dtd/chapter.dtd | |
parent | 97820c026969de7e98d948b301da1e6956f0504d (diff) | |
download | otp-01835845579e9f0a8da3574864747cd3ba10db6e.tar.gz otp-01835845579e9f0a8da3574864747cd3ba10db6e.tar.bz2 otp-01835845579e9f0a8da3574864747cd3ba10db6e.zip |
Simplify beam_utils
When beam_utils was first written, it did not have the functions
for testing whether a register was not used. Those were added
later, in sort of a hacky way.
Also, is_killed*() and is_not_used*() for Y registers would
return the same answer. Fix that to make the API more consistent
(an Y register can only be killed by a deallocate/1 instruction).
We will need to change beam_trim to call beam_utils:is_not_used/3
instead of beam_utils:is_killed/3.
Diffstat (limited to 'lib/erl_docgen/priv/dtd/chapter.dtd')
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