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18 commits

Author SHA1 Message Date
Andy Wingo
2b58c49e59 Fix CPS optimizations to allow callk in front half 
* module/language/cps/closure-conversion.scm: Use standard
compute-reachable-functions and intmap-select from utils to filter
reachable functions, allowing us to pick up callk.  Adapt some uses to
expect callk for calls.
* module/language/cps/self-references.scm (resolve-self-references):
Subst the proc, if it's there.
* module/language/cps/split-rec.scm (compute-free-vars): Add a case for
callk.
 2021-04-26 16:05:13 +02:00
Andy Wingo
cd5ab6377b Add $switch CPS term kind 
* module/language/cps.scm ($switch): New term.
* doc/ref/compiler.texi (CPS in Guile): Add documentation.

* module/language/cps.scm (build-term, parse-cps, unparse-cps)
* module/language/cps/closure-conversion.scm (compute-non-operator-uses)
  (compute-singly-referenced-labels, rewrite-shared-closure-calls)
  (compute-free-vars, convert-one)
* module/language/cps/compile-bytecode.scm (compile-function)
* module/language/cps/contification.scm (compute-singly-referenced-labels)
  (compute-contification-candidates, apply-contification)
* module/language/cps/cse.scm (compute-truthy-expressions)
  (forward-cont, term-successors, eliminate-common-subexpressions-in-fun)
* module/language/cps/dce.scm (compute-known-allocations)
  (compute-live-code, process-eliminations)
* module/language/cps/devirtualize-integers.scm (compute-use-counts)
  (peel-trace)
* module/language/cps/effects-analysis.scm (compute-effects)
* module/language/cps/licm.scm (hoist-one, hoist-in-loop)
* module/language/cps/loop-instrumentation.scm (compute-loop-headers)
* module/language/cps/peel-loops.scm (rename-cont)
* module/language/cps/renumber.scm (sort-labels-locally, renumber)
* module/language/cps/rotate-loops.scm (rotate-loop)
  (rotate-loops-in-function)
* module/language/cps/self-references.scm (resolve-self-references)
* module/language/cps/simplify.scm (compute-singly-referenced-vars)
  (eta-reduce, compute-singly-referenced-labels, beta-reduce)
* module/language/cps/slot-allocation.scm (compute-defs-and-uses)
  (add-prompt-control-flow-edges, compute-var-representations)
* module/language/cps/specialize-numbers.scm (compute-significant-bits)
* module/language/cps/split-rec.scm (compute-free-vars)
* module/language/cps/type-fold.scm (local-type-fold)
* module/language/cps/types.scm (successor-count, infer-types)
* module/language/cps/utils.scm (compute-function-body)
  (compute-successors, compute-predecessors)
* module/language/cps/verify.scm (compute-available-definitions)
  (check-valid-var-uses, check-arities): Add support for new term.
 2020-08-12 23:30:08 +02:00
Andy Wingo
73a769fc2b Add support no closure in $callk 
* module/language/cps/compile-bytecode.scm (compile-function):
* module/language/cps/contification.scm (compute-contification-candidates):
* module/language/cps/cse.scm (apply-cse):
* module/language/cps/dce.scm (compute-live-code):
* module/language/cps/devirtualize-integers.scm (compute-use-counts):
* module/language/cps/peel-loops.scm (rename-cont):
* module/language/cps/renumber.scm (renumber):
* module/language/cps/rotate-loops.scm (rotate-loop):
* module/language/cps/simplify.scm (compute-singly-referenced-vars):
(beta-reduce):
* module/language/cps/slot-allocation.scm (compute-defs-and-uses):
(compute-lazy-vars):
(compute-shuffles):
(compute-frame-size):
(allocate-lazy-vars):
(allocate-slots):
* module/language/cps/specialize-numbers.scm (compute-significant-bits):
* module/language/cps/verify.scm (check-valid-var-uses): Allow for the
  $callk proc to be #f.
* module/language/cps/compile-bytecode.scm (compile-function): Reset
  frame to appropriate size.
 2019-06-07 17:01:43 +02:00
Andy Wingo
ad55ee83c3 $throw is a new kind of CPS term 
* module/language/cps.scm ($throw): New term type that doesn't have a
  continuation.  Adapt all callers.  Remove now-unneeded
  "prune-bailouts" pass.
 2018-01-03 21:25:55 +01:00
Andy Wingo
ee15ca1455 $prompt is now its own kind of CPS term. 
* module/language/cps.scm ($prompt): Rework to be its own term kind.
  Now $continue always continues to a single continuation.  Adapt
  callers.
 2018-01-03 17:32:43 +01:00
Andy Wingo
afb0a92d50 $branch is now a distinct CPS term type 
* module/language/cps.scm ($branch): Refactor to be its own CPS term
  type, not relying on $continue to specify a continuation (which before
  was only for the false case) or a source location.  Update allllllll
  callers.
 2018-01-03 16:16:39 +01:00
Andy Wingo
c54c151eb6 $primcall has a "param" member 
* module/language/cps.scm ($primcall): Add "param" member, which will be
  a constant parameter to the primcall.  The idea is that constants used
  by primcalls as immediates don't need to participate in optimizations
  in any way -- they should not participate in CSE, have the same
  lifetime as the primcall so not part of DCE either, and don't need
  slot allocation.  Indirecting them through a named $const binding is
  complication for no benefit.  This change should eventually improve
  compilation time and memory usage, once we fully take advantage of it,
  as the number of labels and variables will go down.
* module/language/cps/closure-conversion.scm:
* module/language/cps/compile-bytecode.scm:
* module/language/cps/constructors.scm:
* module/language/cps/contification.scm:
* module/language/cps/cse.scm:
* module/language/cps/dce.scm:
* module/language/cps/effects-analysis.scm:
* module/language/cps/elide-values.scm:
* module/language/cps/handle-interrupts.scm:
* module/language/cps/licm.scm:
* module/language/cps/peel-loops.scm:
* module/language/cps/prune-bailouts.scm:
* module/language/cps/prune-top-level-scopes.scm:
* module/language/cps/reify-primitives.scm:
* module/language/cps/renumber.scm:
* module/language/cps/rotate-loops.scm:
* module/language/cps/self-references.scm:
* module/language/cps/simplify.scm:
* module/language/cps/slot-allocation.scm:
* module/language/cps/specialize-numbers.scm:
* module/language/cps/specialize-primcalls.scm:
* module/language/cps/split-rec.scm:
* module/language/cps/type-checks.scm:
* module/language/cps/type-fold.scm:
* module/language/cps/types.scm:
* module/language/cps/utils.scm:
* module/language/cps/verify.scm:
* module/language/tree-il/compile-cps.scm: Adapt all users.
 2017-11-05 15:00:16 +01:00
Andy Wingo
c119623e45 Simplify $branch to always take a $primcall 
* module/language/tree-il/compile-cps.scm (convert): Lower (if foo A B)
  to (if (false? foo) B A).
* module/language/cps/specialize-numbers.scm:
* module/language/cps/closure-conversion.scm:
* module/language/cps/contification.scm:
* module/language/cps/cse.scm:
* module/language/cps/dce.scm:
* module/language/cps/peel-loops.scm:
* module/language/cps/rotate-loops.scm:
* module/language/cps/self-references.scm:
* module/language/cps/simplify.scm:
* module/language/cps/slot-allocation.scm:
* module/language/cps/split-rec.scm:
* module/language/cps/type-fold.scm:
* module/language/cps/types.scm:
* module/language/cps/verify.scm: Adapt.
* module/language/cps/compile-bytecode.scm: Add support for new-style
  false? instruction for false? primcall.
 2017-10-29 10:05:24 +01:00
Andy Wingo
4aabc205cc Add missing files 
Last commit meant to rename files, not delete them.  Whoops!
 2015-07-22 18:27:37 +02:00
Andy Wingo
420423f9a0 Remove CPS optimization passes and closure conversion 
* module/language/cps/closure-conversion.scm:
* module/language/cps/constructors.scm:
* module/language/cps/contification.scm:
* module/language/cps/cse.scm:
* module/language/cps/dce.scm:
* module/language/cps/effects-analysis.scm:
* module/language/cps/elide-values.scm:
* module/language/cps/prune-bailouts.scm:
* module/language/cps/prune-top-level-scopes.scm:
* module/language/cps/self-references.scm:
* module/language/cps/simplify.scm:
* module/language/cps/specialize-primcalls.scm:
* module/language/cps/type-fold.scm:
* module/language/cps/types.scm: Remove these files, obsoleted by CPS2.

* module/Makefile.am: Update.
 2015-07-16 07:58:36 +02:00
Andy Wingo
50fcdfece3 Remove "free" field of $fun 
* module/language/cps.scm ($fun): Remove unused "free" field.
* module/language/cps/arities.scm:
* module/language/cps/closure-conversion.scm:
* module/language/cps/constructors.scm:
* module/language/cps/contification.scm:
* module/language/cps/cse.scm:
* module/language/cps/dce.scm:
* module/language/cps/dfg.scm:
* module/language/cps/elide-values.scm:
* module/language/cps/prune-bailouts.scm:
* module/language/cps/prune-top-level-scopes.scm:
* module/language/cps/renumber.scm:
* module/language/cps/self-references.scm:
* module/language/cps/simplify.scm:
* module/language/cps/specialize-primcalls.scm:
* module/language/cps/type-fold.scm:
* module/language/cps/verify.scm:
* module/language/tree-il/compile-cps.scm: Adapt all callers.
 2015-04-01 10:10:10 +02:00
Andy Wingo
34ff3af9f0 Replace $letrec with $rec 
* module/language/cps.scm ($rec): Replace $letrec with $rec, which is an
  expression, not a term.  This means that the names bound by the letrec
  appear twice: once in the $rec term, and once in the continuation.
  This is not very elegant, but the situation is better than it was
  before.  Adapt all callers.

* doc/ref/compiler.texi (CPS in Guile): Incomplete documentation
  updates.  I'll update these later when the IL settles down.
 2015-04-01 10:10:10 +02:00
Andy Wingo
a9ec16f9c5 Remove $void CPS expression type 
* module/language/cps.scm: Remove the $void expression type, replaced by
  $const of the unspecified value.
* module/language/cps/arities.scm:
* module/language/cps/closure-conversion.scm:
* module/language/cps/compile-bytecode.scm:
* module/language/cps/cse.scm:
* module/language/cps/dce.scm:
* module/language/cps/dfg.scm:
* module/language/cps/effects-analysis.scm:
* module/language/cps/reify-primitives.scm:
* module/language/cps/renumber.scm:
* module/language/cps/self-references.scm:
* module/language/cps/simplify.scm:
* module/language/cps/slot-allocation.scm:
* module/language/cps/specialize-primcalls.scm:
* module/language/cps/types.scm:
* module/language/cps/verify.scm:
* module/language/tree-il/compile-cps.scm: Update callers.
 2015-03-11 21:51:33 +01:00
Andy Wingo
92805e2197 Add $branch expression type 
* module/language/cps.scm ($branch): New expression type; will replace
  $kif.

* module/language/cps/arities.scm:
* module/language/cps/closure-conversion.scm:
* module/language/cps/compile-bytecode.scm:
* module/language/cps/cse.scm:
* module/language/cps/dce.scm:
* module/language/cps/dfg.scm:
* module/language/cps/effects-analysis.scm:
* module/language/cps/primitives.scm:
* module/language/cps/renumber.scm:
* module/language/cps/self-references.scm:
* module/language/cps/simplify.scm:
* module/language/cps/slot-allocation.scm:
* module/language/cps/type-fold.scm:
* module/language/cps/types.scm:
* module/language/cps/verify.scm: Adapt to $branch expression type.
 2014-05-31 21:15:06 -04:00
Andy Wingo
a0329d0109 Root higher-order CPS term is always $kfun $cont 
* module/language/cps/arities.scm:
* module/language/cps/closure-conversion.scm:
* module/language/cps/compile-bytecode.scm:
* module/language/cps/constructors.scm:
* module/language/cps/contification.scm:
* module/language/cps/cse.scm:
* module/language/cps/dce.scm:
* module/language/cps/elide-values.scm:
* module/language/cps/prune-bailouts.scm:
* module/language/cps/prune-top-level-scopes.scm:
* module/language/cps/renumber.scm:
* module/language/cps/self-references.scm:
* module/language/cps/simplify.scm:
* module/language/cps/specialize-primcalls.scm:
* module/language/tree-il/compile-cps.scm: Adapt to produce and consume
  raw $kfun $cont instances.

* .dir-locals.el: Update $letrec indentation.
 2014-04-11 14:01:27 +02:00
Andy Wingo
8320f50431 Rename $kentry to $kfun 
* module/language/cps.scm ($kfun): Rename from $kentry.

* module/language/cps/arities.scm:
* module/language/cps/closure-conversion.scm:
* module/language/cps/compile-bytecode.scm:
* module/language/cps/constructors.scm:
* module/language/cps/contification.scm:
* module/language/cps/cse.scm:
* module/language/cps/dce.scm:
* module/language/cps/dfg.scm:
* module/language/cps/effects-analysis.scm:
* module/language/cps/elide-values.scm:
* module/language/cps/prune-bailouts.scm:
* module/language/cps/prune-top-level-scopes.scm:
* module/language/cps/reify-primitives.scm:
* module/language/cps/renumber.scm:
* module/language/cps/self-references.scm:
* module/language/cps/simplify.scm:
* module/language/cps/slot-allocation.scm:
* module/language/cps/specialize-primcalls.scm:
* module/language/cps/verify.scm:
* module/language/tree-il/compile-cps.scm: Adapt users.
 2014-04-10 12:11:35 +02:00
Andy Wingo
24b611e81c src and meta are fields of $kentry, not $fun 
* module/language/cps.scm ($kentry, $fun): Attach "src" and "meta" on
  the $kentry, not the $fun.  This prepares us for $callk to $kentry
  continuations that have no corresponding $fun.

* module/language/cps/arities.scm:
* module/language/cps/closure-conversion.scm:
* module/language/cps/compile-bytecode.scm:
* module/language/cps/constructors.scm:
* module/language/cps/contification.scm:
* module/language/cps/cse.scm:
* module/language/cps/dce.scm:
* module/language/cps/dfg.scm:
* module/language/cps/elide-values.scm:
* module/language/cps/prune-bailouts.scm:
* module/language/cps/prune-top-level-scopes.scm:
* module/language/cps/reify-primitives.scm:
* module/language/cps/renumber.scm:
* module/language/cps/self-references.scm:
* module/language/cps/simplify.scm:
* module/language/cps/slot-allocation.scm:
* module/language/cps/specialize-primcalls.scm:
* module/language/cps/verify.scm:
* module/language/tree-il/compile-cps.scm: Adapt.
 2014-04-10 10:50:17 +02:00
Andy Wingo
c4a209b96f New pass to avoid free variable creation for self-recursion 
* module/language/cps/self-references.scm: New pass, avoids the need for
  self-recursion to allocate free variables.

* module/Makefile.am:
* module/language/cps/compile-bytecode.scm: Wire up the new pass.
 2014-04-08 21:41:42 +02:00