aboutsummaryrefslogtreecommitdiffstats
path: root/lib/sasl
diff options
context:
space:
mode:
authorMagnus Lång <[email protected]>2016-09-01 17:21:25 +0200
committerMagnus Lång <[email protected]>2016-09-05 19:16:26 +0200
commit1039c0196a7e643c63ce71b2c6daa2b78b3aa832 (patch)
tree7540338826d46f9850278b3af8ad84e2f4c76119 /lib/sasl
parentb4695b8088b8fc6f3844e33246849ed8bb8b18cf (diff)
downloadotp-1039c0196a7e643c63ce71b2c6daa2b78b3aa832.tar.gz
otp-1039c0196a7e643c63ce71b2c6daa2b78b3aa832.tar.bz2
otp-1039c0196a7e643c63ce71b2c6daa2b78b3aa832.zip
hipe: Reuse liveness between regalloc iterations
This is sound because the liveness data structure only stores liveness info at basic block boundaries, and the rewrites that happen in TargetSpecific:check_and_rewrite/2 preserves all existing definitions and uses, and all new liveness intervals, belonging to newly introduced temporaries, are always local to a basic block, and thus do not show up in the liveout or livein sets for the basic block.
Diffstat (limited to 'lib/sasl')
0 files changed, 0 insertions, 0 deletions