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Module dmd.backend.gloop

Global loop optimizations

Compiler implementation of the D programming language.



blockinit() Initialize block information.
compdom() Compute dominators (Bdom) for each block. See Aho & Ullman Fig. 13.5. Note that flow graph is reducible if there is only one pass through the loop.
dom(A, B) Test if block A dominates block B.
loopopt() Loop invariant and induction variable elimination.
loopunroll(l) Unroll loop if possible.
updaterd(n, GEN, KILL) Update rd vector.


Loop Loop data structure.


Walter Bright


Boost License 1.0