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mercury/compiler
Nancy Mazur db5d688c43 Provide the direct reuse analysis part of the structure reuse analysis (which
Estimated hours taken: 25
Branches: main

Provide the direct reuse analysis part of the structure reuse analysis (which
itself is part of the CTGC system).

compiler/ctgc.datastruct.m:
compiler/ctgc.util.m:
	Additional predicates.

compiler/ctgc.m:
	Add structure reuse module.

compiler/handle_options.m:
compiler/options.m:
	Add new options "structure_reuse_analysis" and related ones.

compiler/handle_options.m:
compiler/hlds_out.m:
	Add dump option "R" to dump structure reuse related information
	in the hlds_dump files.

compiler/hlds_goal.m:
	Types to record structure reuse information at the level of each
	goal.
	Additional "case_get_goal" function to extract the goal from an case.

compiler/mercury_compile.m:
	Add structure reuse analysis as a new compiler stage.

compiler/structure_reuse.analysis.m:
	The top level analysis predicates.

compiler/structure_reuse.m:
compiler/structure_reuse.direct.m:
compiler/structure_reuse.direct.choose_reuse.m:
compiler/structure_reuse.direct.detect_garbage.m:
	Direct reuse analysis is split into 2 steps: determining when and how
	data structures become garbage, and then choosing how these dead
	data structures might best be reused.

compiler/structure_reuse.domain.m:
	The abstract domain for keeping track of reuse conditions, the main
	domain in the structure reuse analysis.

compiler/structure_reuse.lbu.m:
compiler/structure_reuse.lfu.m:
	To determine whether data structures become dead or not, one needs to
	know which variables in a goal are needed with respect to forward
	execution (lfu = local forward use), and backward execution, i.e.
	backtracking (lbu = local backward use). These two modules provide
	the necessary functionality to pre-annotate the goals with lfu and
	lbu information.

compiler/structure_sharing.analysis.m:
compiler/structure_sharing.domain.m:
	Remove the structure sharing table from the interface of the analysis
	predicate in structure_sharing.analysis.m;
	Move predicates to structure_sharing.domain.m so that they become
	more easily accessible for the structure_reuse modules.

compiler/prog_data.m:
	New types "dead_var", "live_var" and alike.
2006-05-10 15:20:57 +00:00
..
2006-04-30 04:37:04 +00:00
2006-05-03 07:45:19 +00:00