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3207 commits

Author SHA1 Message Date
Andy Wingo
e9e6da1902 closure-conversion docstring tweak 
* module/language/cps2/closure-conversion.scm (prune-free-vars): Fix
  docstring.
 2015-07-15 15:15:41 +02:00
Andy Wingo
981802c4c2 Wire up new closure conversion pass 
* module/language/cps/compile-bytecode.scm (compile-bytecode): Only
  convert closures if the #:cps2-convert? option is not passed.

* module/language/cps2/compile-cps.scm (conts->fun*, compile-cps): Add
  support for CPS2 closure conversion, disabled by default.
 2015-07-15 09:43:33 +02:00
Andy Wingo
285f62a077 Add CPS2 closure conversion module 
* module/language/cps2/closure-conversion.scm: New module.
* module/Makefile.am: Add new file.
 2015-07-14 16:14:53 +02:00
Andy Wingo
bf5c7954ff Verify pass works on first-order CPS 
* module/language/cps2/verify.scm: Work with first-order CPS.
 2015-07-14 16:14:09 +02:00
Andy Wingo
e0ef087ceb Beginnings of first-order CPS optimization 
* module/language/cps2/optimize.scm (optimize-higher-order-cps): Renamed
  from "optimize".
  (optimize-first-order-cps): New function.

* module/language/cps2/compile-cps.scm: Adapt.
 2015-07-14 16:14:09 +02:00
Andy Wingo
363d6498e5 Tweak intset printing 
* module/language/cps/intset.scm: Print members of set as absolute
  values, not diffs from set minumum.
 2015-07-14 16:14:09 +02:00
Andy Wingo
a15a14203e CPS2 renumber works with first-order CPS 
* module/language/cps2/renumber.scm (compute-renaming): Add support for
  $closure and $callk.
 2015-07-14 16:14:09 +02:00
Andy Wingo
dc27708f0b Fix intset-subtract to reliably produce empty-intset 
* module/language/cps/intset.scm (intset-subtract): Reliably produce
  empty-intset if the result is empty.
 2015-07-13 11:03:00 +02:00
Andy Wingo
47a4727b78 intset-union fast paths 
* module/language/cps/intset.scm (intset-union): Add fast paths for
  union with empty intset.
 2015-07-13 11:02:29 +02:00
Andy Wingo
1bb7a7fa7a Reorganizing of intset/intmap helper functions 
* module/language/cps2/split-rec.scm (intmap-keys): Move to utils.
* module/language/cps2/utils.scm (trivial-intset): New function.
  (intmap-keys, invert-bijection, invert-partition): New functions.
 2015-07-13 11:01:43 +02:00
Andy Wingo
dbe6247acf Add split-rec pass 
* module/language/cps2/split-rec.scm: New pass.
* module/language/cps2/optimize.scm: Run new pass.
* module/Makefile.am: Add new pass to build.
 2015-06-07 11:16:09 +02:00
Andy Wingo
f41823538a Renumber before contifying to eliminate stale conts 
* module/language/cps2/contification.scm (contify): Renumber before contifying.
 2015-06-05 17:10:29 +02:00
Andy Wingo
6f4487f268 Disable CPS optimization passes 
* module/language/cps/compile-bytecode.scm (compile-bytecode): Don't
  bother running the CPS optimization passes, as they are redundant
  with CPS2.
 2015-06-05 00:54:18 +02:00
Andy Wingo
b926d85a17 Enable all CPS2 optimization passes 
* module/language/cps2/optimize.scm (optimize): Enable all CPS2
  passes.  Wheee!
 2015-06-05 00:52:27 +02:00
Andy Wingo
c028a0a7c4 Tweaks to bootstrap build order 
* module/Makefile.am (SOURCES): Since intmaps and intsets are used so
  much in CPS2, bump them up.  Demote (language cps types).
 2015-06-05 00:52:27 +02:00
Andy Wingo
1071e77785 Add CPS2 verification pass 
* module/language/cps2/verify.scm: New diagnostic pass.
* module/Makefile.am: Add verify.scm.
* module/language/cps2/optimize.scm: Wire up verification pass.
  Always run the pass at the end, and if a variable is set run it
  between passes too.
 2015-06-05 00:52:27 +02:00
Andy Wingo
b012248f04 Refactor renumber.scm 
* module/language/cps2/renumber.scm (sort-labels-locally): Rewrite to
  be functional.  Yay :)
 2015-06-05 00:52:27 +02:00
Andy Wingo
ff1a02bd09 Port self-references pass to CPS2 
* module/language/cps2/self-references.scm: New pass, ported from CPS.
* module/language/cps2/optimize.scm: Wire up the self references pass.
* module/Makefile.am: Add new file.
 2015-06-05 00:52:27 +02:00
Andy Wingo
b0148e11db Fix eta reduction on CPS2 
* module/language/cps2/simplify.scm (compute-singly-referenced-vars):
  New helper.
  (compute-eta-reductions): Turns out, eta conversion on a graph
  doesn't work the same way that it works on nested terms -- since
  uses and defs are computed using the flow graph and not nested
  terms, we need to check additionally that the vars are singly-used.
 2015-06-05 00:34:06 +02:00
Andy Wingo
1850497a5c Fix intmap-ref bug 
* module/language/cps/intmap.scm (intmap-ref): Fix a case in which the
  not-found procedure could be called with an incorrect value.
 2015-06-05 00:34:05 +02:00
Andy Wingo
8eea1fb142 Fix slot allocation hinting for intervening terms that define dead values 
* module/language/cps/slot-allocation.scm (allocate-slots): Even if an
  expression does not define a live value, it might need a place to
  put its value.  In that case we should stop scanning for hints,
  otherwise e.g. an (current-module) primcall whose value isn't used
  could clobber a hinted variable.
 2015-06-05 00:34:05 +02:00
Andy Wingo
f541ee1968 Port type-fold to CPS2 
* module/language/cps2/type-fold.scm: New file, ported from CPS.
* module/language/cps2/optimize.scm: Wire up type-fold.
* module/Makefile.am (CPS2_LANG_SOURCES): Add language/cps2/type-fold.cps.
 2015-06-03 16:40:16 +02:00
Andy Wingo
e8fa85fd25 Add setk clause to with-cps 
* module/language/cps2/with-cps.scm: Add a setk clause kind.
 2015-06-03 16:39:45 +02:00
Andy Wingo
c3bc1f8e93 Port CSE to CPS2 
* module/language/cps2/cse.scm: New file, ported from CPS.
* module/language/cps2/optimize.scm: Wire up CSE.
* module/Makefile.am: Add language/cps2/cse.scm.

* module/language/cps/compile-bytecode.scm (optimize): Disable
  prune-top-level-scopes on old CPS.  It seems to not work if CSE has
  run beforehand.
 2015-06-03 12:59:51 +02:00
Andy Wingo
ea5187ad86 Fix some cps2 utils bugs 
* module/language/cps2/utils.scm (compute-function-body): $callk does
  not add to a local function graph.
  (compute-successors): Fix extraction of "handler" continuation for
  $prompt.
 2015-06-03 11:20:22 +02:00
Andy Wingo
fef50ea8da Move some graph utilities from contification.scm to utils.scm 
* module/language/cps2/utils.scm (compute-successors): New helper.
  (compute-reverse-post-order): Move here from contification.scm and
  rename from "sort-nodes".
  (invert-graph): New helper.
  (compute-strongly-connected-components): Move here from
  contification.scm and rename from "compute-sccs".

* module/language/cps2/contification.scm (sort-nodes, compute-sccs): Remove.
 2015-06-03 10:13:15 +02:00
Andy Wingo
ba44619672 Port prune-bailouts pass to CPS2 
* module/language/cps2/prune-bailouts.scm: New file.
* module/language/cps2/optimize.scm: Wire up prune-bailouts pass.

* module/Makefile.am (CPS2_LANG_SOURCES): Add language/cps2/prune-bailouts.scm.
 2015-06-02 12:47:47 +02:00
Andy Wingo
726558f054 Port elide-values pass to CPS2 
* module/language/cps2/elide-values.scm: New file.
* module/language/cps2/optimize.scm (optimize): Wire up elide-values.
* module/Makefile.am: Add new file.
 2015-06-02 12:19:14 +02:00
Andy Wingo
467736c3fd prune-top-level-scopes elides with $values 
* module/language/cps2/prune-top-level-scopes.scm
  (prune-top-level-scopes): Given that cache-current-module! is an
  instruction, it will always continue to a nullary $kargs, so $values
  is actually the correct replacement and not a values primcall.
 2015-06-02 12:18:44 +02:00
Andy Wingo
0e33ee94f0 Port specialize-primcalls pass to CPS2 
* module/language/cps2/specialize-primcalls.scm: New file.
* module/language/cps2/optimize.scm: Wire up specialize-primcalls.
* module/Makefile.am: Add new file.
 2015-06-02 11:53:36 +02:00
Andy Wingo
42f9bdabb5 Port inline-constructors pass to CPS2 
* module/language/cps2/constructors.scm: New file.
* module/language/cps2/optimize.scm: Enable inline-constructors pass.
* module/Makefile.am: Add new file to build.
 2015-06-02 11:30:21 +02:00
Andy Wingo
bac96c10f5 Factor with-cps out to separate module 
* module/language/cps2/with-cps.scm: New file.
* module/language/tree-il/compile-cps2.scm: Use (language cps2 with-cps).
* module/Makefile.am: Add language/cps2/with-cps.scm.

* .dir-locals.el: Add indentation rules for with-cps.
 2015-06-02 11:06:37 +02:00
Andy Wingo
6e725df02f Port contification pass to CPS2. 
* module/language/cps2/contification.scm: New pass, ported from CPS.  Faster!
* module/language/cps2/optimize.scm: Wire up contification pass.
* module/Makefile.am: Add language/cps2/contification.scm.
 2015-06-02 10:26:59 +02:00
Andy Wingo
d78e5a260c Add "intset" syntax to construct intsets. 
* module/language/cps/intset.scm (intset): New syntax.
 2015-06-02 10:05:10 +02:00
Andy Wingo
8b4a523ad5 Add intmap-fold-right 
* module/language/cps/intmap.scm (make-intmap-folder): Add forward? argument.
  (intmap-fold): Adapt.
  (intmap-fold-right): New function.
 2015-06-02 10:05:10 +02:00
Andy Wingo
dd2e0f519d Port prune-top-level-scopes pass to CPS2 
* module/language/cps2/prune-top-level-scopes.scm: Port to CPS2.

* module/language/cps2/optimize.scm: Enable prune-top-level-scopes
  pass.

* module/Makefile.am (CPS2_LANG_SOURCES): Add prune-top-level-scopes.scm.
 2015-06-02 10:05:09 +02:00
Andy Wingo
2838c6e857 Fix compute-defining-expressions (and thereby compute-constant-values) 
* module/language/cps2/utils.scm (compute-defining-expressions): Fix
  not one but two bugs in this pattern.  Grrr.
 2015-06-02 10:05:09 +02:00
Andy Wingo
23379467ae Add intmap-replace!. 
* module/language/cps/intmap.scm (intmap-replace!): New interface.

* module/language/cps2/dce.scm (elide-type-checks):
* module/language/cps2/simplify.scm (transform-conts):
* module/language/cps2/utils.scm (intmap-map):
* module/language/tree-il/compile-cps2.scm (cps-convert/thunk): Use intmap-replace!.
 2015-06-02 10:05:09 +02:00
Andy Wingo
ad29059ff8 DCE uses type analysis to find dead code 
* module/language/cps2/dce.scm (compute-effects/elide-type-checks): New helper.
  (elide-type-checks): Implement.
  (fold-nested-functions): Remove.
  (compute-live-code): Call compute-effects/elide-type-checks.
 2015-06-02 10:05:09 +02:00
Andy Wingo
8481bdb278 Port type inference module to CPS2 
* module/Makefile.am:
* module/language/cps2/types.scm: Port to CPS2.  Relative to the CPS1
  module, this one uses worklists, which should result in fewer
  visits, though it does use a different strategy for deciding when to
  saturate.  We'll see!
 2015-06-02 10:05:09 +02:00
Andy Wingo
6a42ac74ce intset-next starting point is optional 
* module/language/cps/intset.scm (intset-remove): Remove incorrect comment.
  (intset-next): "i" is optional.
 2015-06-02 10:05:09 +02:00
Andy Wingo
8f578af0bb Add intmap-replace. 
* module/language/cps/intmap.scm (intmap-replace): New interface.
 2015-06-02 10:05:09 +02:00
Andy Wingo
10d11e6537 Fix type-fold on multiplying exact numbers 
* module/language/cps/types.scm (mul): Fix bug inferring results of
  exact multiplications.
 2015-06-02 10:05:09 +02:00
Andy Wingo
75ab52e490 Fix regression in compute-idoms 
* module/language/cps2/utils.scm (compute-idoms): Adapt to previous
  change that makes intmap-ref throw when the key is not present.
 2015-06-02 10:05:09 +02:00
Andy Wingo
48b2f190b2 Port dead code elimination (DCE) pass to CPS2 
* module/language/cps2/dce.scm: New file.
* module/language/cps2/optimize.scm: Enable CPS2 DCE pass.
* module/Makefile.am: Add language/cps2/dce.scm.
 2015-05-20 19:18:46 +02:00
Andy Wingo
80c162b67c Port effects analysis to CPS2 
* module/Makefile.am (CPS2_LANG_SOURCES): Add effects-analysis.scm.
* module/language/cps2/effects-analysis.scm: New file, based on
  cps/effects-analysis.scm.
* module/language/cps2/utils.scm (intmap-map):
  (compute-defining-expressions, compute-constant-values): New helpers.
 2015-05-20 19:18:45 +02:00
Andy Wingo
7d4ede040d Fix bug in CPS2 simplify's "transform-conts" 
* module/language/cps2/simplify.scm (transform-conts): Return a persistent intmap.
 2015-05-20 19:18:45 +02:00
Andy Wingo
102e677b98 intmaps and intsets print with abbreviated key ranges 
* module/language/cps/intset.scm (intset-key-ranges, range-string):
  (print-helper, print-intset, print-transient-intset): New helpers.
  Install as intset printers.
* module/language/cps/intmap.scm (intmap-key-ranges, range-string):
  (print-helper): New helpers.
  (print-intmap, print-transient-intmap): Call the new helpers.
 2015-05-20 19:18:45 +02:00
Andy Wingo
1403df4140 Add arity to worklist-fold 
* module/language/cps2/utils.scm (worklist-fold): Add two-seeded arity.
  (worklist-fold2): Remove.

* module/language/cps2/renumber.scm (compute-tail-path-lengths): Adapt.
 2015-05-20 19:18:45 +02:00
Andy Wingo
5f7c8e5cb3 Variadic intset-fold, intmap-fold 
* module/language/cps/intmap.scm (intmap-fold): Add two-seeded arity.
* module/language/cps/intset.scm (intset-fold): Merge intset-fold2
  into this function, as a two-seeded arity.

* module/language/cps2/simplify.scm (compute-eta-reductions):
  (compute-singly-referenced-labels, compute-beta-reductions): Adapt
  intset-fold2 callers.
 2015-05-20 19:18:45 +02:00