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The following page has been changed by Mikhail Fursov:
http://wiki.apache.org/harmony/Jitrino_OPT/cg_dce
New page:
''' 'cg_dce' '''LIR transformation removes unused operands, instruction and unreachable nodes
from LIR
[[BR]]
The algorithm:
{{{
1. For every instruction check if it has any side effect
2. Remove the instruction if no side effect found. Remove one of the edges if the instruction
removed is a branch.
3. Remove empty nodes and unreachable nodes and merge adjustment nodes.
}}}
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