* module/statprof.scm (statprof-fold-call-data)
(statprof-proc-call-data): Add optional state arg.
(gcprof): Add optional port arg, and pass state arg explicitly.
(statprof-display-anomalies, statprof-display)
(statprof-call-data->stats): Pass state explicitly.
* module/language/cps.scm (make-global-cont-folder): Inline the
fold-values, as peval doesn't do so. Allows closure conversion to
avoid any closure creation.
* module/system/vm/disassembler.scm (code-annotation): Add call-label
and tail-call-label cases.
(disassemble-addr): With call-label we can see sets of mutually
recursive functions, so keep a global "visited?" set.
* module/ice-9/eval.scm (primitive-eval): Expand out the call to
make-general-closure, so that make-general-closure becomes
well-known. Now eval has no more free variables!
* module/language/cps/closure-conversion.scm (analyze-closures): Build a
bound-vars set as well, to resolve introduced self-references.
(prune-free-vars, convert-one): Arrange to eliminate self-references.
* module/language/cps/closure-conversion.scm (convert-free-var):
(convert-free-vars): Take self-known? param, to do the right thing for
well-known closures.
(allocate-closure): New helper. Well-known closures are represented
using pairs or vectors.
(init-closure): Adapt tpo DTRT for well-known closures.
(prune-free-vars): Move up.
(convert-one): Adapt to new well-known closure representation.
* module/language/cps/closure-conversion.scm (init-closure): Return just
one value.
(analyze-closures): Rewrite the well-known set to key off the label
instead of the closure identifiers before returning.
(convert-one): Avoid creating closure objects at runtime or load-time
when "instantiating" or calling well-known closures with no free
variables.
(prune-free-vars): New pass.
(convert-closures): Adapt.
* module/language/cps/closure-conversion.scm (analyze-closures):
(convert-one, convert-closures): Hard-wire calls to known procedures
by transforming $call to $callk.
* module/language/cps.scm ($closure, $program): New CPS types, part of
low-level (first-order) CPS.
(build-cps-exp, build-cps-term, parse-cps, unparse-cps)
(compute-max-label-and-var): Update for new CPS types.
* module/language/cps/closure-conversion.scm: Rewrite to produce a
$program with $closures, and no $funs.
* module/language/cps/reify-primitives.scm:
* module/language/cps/compile-bytecode.scm (compile-fun):
(compile-bytecode): Adapt to new first-order format.
* module/language/cps/dfg.scm (compute-dfg): Add $closure case.
* module/language/cps/renumber.scm (renumber): Allow this pass to work
on either format.
* module/language/cps/slot-allocation.scm (allocate-slots): Add $closure
case.
* module/language/cps.scm (make-global-cont-folder)
(make-local-cont-folder): Separate this macro in two. It's hot and
the difference can be important for perf.
* module/language/cps/dfg.scm (compute-label-and-var-ranges):
* module/language/cps/cse.scm (compute-label-and-var-ranges):
* module/language/cps/dce.scm (compute-live-code): Adapt.
* module/language/cps/closure-conversion.scm: Produce a $kfun $cont.
* module/language/cps/reify-primitives.scm: Produce and consume $kfun
$cont.
* module/language/cps/compile-bytecode.scm: Adapt.
* module/language/cps/compile-bytecode.scm (compile-fun): Change to take
a $kfun $cont instead of a $fun.
(visit-funs): Change likewise, and call the proc on $kfun $cont's, not
$fun's.
(compile-bytecode): Adapt.
* module/language/cps/dfg.scm (analyze-reverse-control-flow): Adapt to
expect a $kfun $cont.
* 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.
* module/language/cps/cse.scm (compute-truthy-expressions):
(compute-equivalent-subexpressions, apply-cse): Arrange to infer
truthiness of expressions, and use that information to elide redundant
tests.
* module/ice-9/match.upstream.scm (match-next): Inline a call to
"error", so the new CSE pass will see this case as a bailout.
* module/srfi/srfi-9.scm (throw-bad-struct): Reimplement as a syntax
rule, so that the CSE pass sees the "throw" call.
* module/language/cps/cse.scm (compute-available-expressions, cse):
(compute-idoms, compute-equivalent-subexpressions, apply-cse): Remove
attempts to deal with bailout, as the bailout pass handles that
already.
* module/language/cps/cse.scm (compute-available-expressions): Compute a
bailout set -- or at least, set things up so that we can do so.
(compute-idoms): Don't add predecessors that bail out.
(apply-cse, cse, compute-equivalent-subexpressions): Thread the
bailout set through the computations.
* module/language/cps/cse.scm (compute-available-expressions): Prepare
for being able to prune joins from bailouts. Always loop after the
first iteration.
* module/language/cps/effects-analysis.scm: Remove &possible-bailout.
Rename &definite-bailout to &bailout, and rename
&all-effects-but-bailout to &unknown-effects.
* module/language/cps/cse.scm: New file.
* module/language/cps/compile-bytecode.scm: Wire up CSE, on by default.
Currently using the #:cps-cse? keyword.
* module/Makefile.am: Add new file.
* module/language/cps/effects-analysis.scm: Add &fluid-environment
effect, a dependency of fluid-ref and fluid-set!, and an effect of
push-fluid/pop-fluid.
(list): Depend on &cdr.
(resolve, cached-toplevel-box, cached-module-box): Don't depend on
&box.
* module/language/cps/dfg.scm (constant-needs-allocation?): Constants
need allocation when they are used as a slot-needing operand, not when
they are not used as an immediate operand. Fixes the case where one
var is used in both ways after CSE, in struct-set!/immediate.
* module/language/cps/dfg.scm (with-fresh-name-state-from-dfg): New
helper.
($dfg, compute-dfg): Store max-var and max-label in the dfg.
* module/language/cps.scm (with-fresh-name-state): Don't raise an error
on recursive invocation; that was mostly useful when finding a bug.
* module/language/cps/arities.scm (fix-arities):
* module/language/cps/specialize-primcalls.scm (specialize-primcalls):
Use the new helper.
* .dir-locals.el: Update.
* module/language/tree-il/compile-cps.scm (scope-counter, fresh-scope-id):
(toplevel-box, capture-toplevel-scope, convert, cps-convert/thunk):
Refactor to avoid abusing the var counter to generate scope
identifiers.
