;;; Check everything that we can think of for consistency. When a
;;; definite inconsistency is detected, we BARF. Possible problems
;;; just cause us to BURP. Our argument is a list of components, but
-;;; we also look at the *FREE-VARIABLES*, *FREE-FUNS* and
-;;; *CONSTANTS*.
+;;; we also look at the *FREE-VARS*, *FREE-FUNS* and *CONSTANTS*.
;;;
;;; First we do a pre-pass which finds all the CBLOCKs and CLAMBDAs,
;;; testing that they are linked together properly and entering them
(dolist (c components)
(let* ((head (component-head c))
(tail (component-tail c)))
- (unless (and (null (block-pred head)) (null (block-succ tail)))
+ (unless (and (null (block-pred head))
+ (null (block-succ tail)))
(barf "~S is malformed." c))
(do ((prev nil block)
(block head (block-next block)))
((null block)
(unless (eq prev tail)
- (barf "wrong Tail for DFO, ~S in ~S" prev c)))
+ (barf "wrong TAIL for DFO, ~S in ~S" prev c)))
(setf (gethash block *seen-blocks*) t)
(unless (eq (block-prev block) prev)
(barf "bad PREV for ~S, should be ~S" block prev))
(and (global-var-p v)
(member (global-var-kind v)
'(:global :special))))
- (barf "strange *FREE-VARIABLES* entry: ~S" v))
+ (barf "strange *FREE-VARS* entry: ~S" v))
(dolist (n (leaf-refs v))
(check-node-reached n))
(when (basic-var-p v)
(dolist (n (basic-var-sets v))
(check-node-reached n))))
- *free-variables*)
+ *free-vars*)
(maphash (lambda (k v)
(declare (ignore k))
(barf "The function for XEP ~S has kind." functional))
(unless (eq (functional-entry-fun fun) functional)
(barf "bad back-pointer in function for XEP ~S" functional))))
- ((:let :mv-let :assignment)
+ ((:let :mv-let :assignment) ; i.e. SOMEWHAT-LETLIKE-P
(check-fun-reached (lambda-home functional) functional)
(when (functional-entry-fun functional)
(barf "The LET ~S has entry function." functional))
(defun check-fun-consistency (components)
(dolist (c components)
- (dolist (new-fun (component-new-funs c))
+ (dolist (new-fun (component-new-functionals c))
(observe-functional new-fun))
(dolist (fun (component-lambdas c))
(when (eq (functional-kind fun) :external)
(observe-functional let))))
(dolist (c components)
- (dolist (new-fun (component-new-funs c))
+ (dolist (new-fun (component-new-functionals c))
(check-fun-stuff new-fun))
(dolist (fun (component-lambdas c))
(when (eq (functional-kind fun) :deleted)
(when dest
(check-node-reached dest)))
- (loop
+ (loop
(unless (eq (continuation-block this-cont) block)
(barf "BLOCK in ~S should be ~S." this-cont block))
(unless fun-deleted
(check-node-consistency node))
-
+
(let ((cont (node-cont node)))
(when (not cont)
(barf "~S has no CONT." node))
(unless (eq (continuation-use cont) node)
(barf "USE in ~S should be ~S." cont node))
(setq this-cont cont))))
-
+
(check-block-successors block))
(values))
\f
;;;; IR2 consistency checking
-;;; Check for some kind of consistency in some Refs linked together by
-;;; TN-Ref-Across. VOP is the VOP that the references are in. Write-P is the
-;;; value of Write-P that should be present. Count is the minimum number of
-;;; operands expected. If More-P is true, then any larger number will also be
-;;; accepted. What is a string describing the kind of operand in error
-;;; messages.
+;;; Check for some kind of consistency in some REFs linked together by
+;;; TN-REF-ACROSS. VOP is the VOP that the references are in. WRITE-P
+;;; is the value of WRITE-P that should be present. COUNT is the
+;;; minimum number of operands expected. If MORE-P is true, then any
+;;; larger number will also be accepted. WHAT is a string describing
+;;; the kind of operand in error messages.
(defun check-tn-refs (refs vop write-p count more-p what)
(let ((vop-refs (vop-refs vop)))
(do ((ref refs (tn-ref-across ref))
(unless (find-in #'tn-ref-next-ref target vop-refs)
(barf "The target for ~S isn't in REFS for ~S." ref vop)))))))
-;;; Verify the sanity of the VOP-Refs slot in VOP. This involves checking
+;;; Verify the sanity of the VOP-REFS slot in VOP. This involves checking
;;; that each referenced TN appears as an argument, result or temp, and also
;;; basic checks for the plausibility of the specified ordering of the refs.
(defun check-vop-refs (vop)
(values))
;;; Check the basic sanity of the VOP linkage, then call some other
-;;; functions to check on the TN-Refs. We grab some info out of the VOP-Info
-;;; to tell us what to expect.
+;;; functions to check on the TN-REFS. We grab some info out of the
+;;; VOP-INFO to tell us what to expect.
;;;
;;; [### Check that operand type restrictions are met?]
(defun check-ir2-block-consistency (2block)
(barf "wrong number of codegen info args in ~S" vop))))
(values))
-;;; Check stuff about the IR2 representation of Component. This assumes the
+;;; Check stuff about the IR2 representation of COMPONENT. This assumes the
;;; sanity of the basic flow graph.
;;;
;;; [### Also grovel global TN data structures? Assume pack not
-;;; done yet? Have separate check-tn-consistency for pre-pack and
-;;; check-pack-consistency for post-pack?]
+;;; done yet? Have separate CHECK-TN-CONSISTENCY for pre-pack and
+;;; CHECK-PACK-CONSISTENCY for post-pack?]
(defun check-ir2-consistency (component)
(declare (type component component))
(do-ir2-blocks (block component)
((:environment :debug-environment) (incf environment))
(t (incf global)))
(do ((conf (tn-global-conflicts tn)
- (global-conflicts-tn-next conf)))
+ (global-conflicts-next-tnwise conf)))
((null conf))
(incf confs)))
(t
confs))
(values))
-;;; If the entry in Local-TNs for TN in Block is :More, then do some checks
+;;; If the entry in Local-TNs for TN in BLOCK is :MORE, then do some checks
;;; for the validity of the usage.
(defun check-more-tn-entry (tn block)
(let* ((vop (ir2-block-start-vop block))
((eq kind :component)
(unless (member tn (ir2-component-component-tns
(component-info component)))
- (barf "~S not in Component-TNs for ~S" tn component)))
+ (barf "~S not in COMPONENT-TNs for ~S" tn component)))
(conf
- (do ((conf conf (global-conflicts-tn-next conf))
+ (do ((conf conf (global-conflicts-next-tnwise conf))
(prev nil conf))
((null conf))
(unless (eq (global-conflicts-tn conf) tn)
(defun check-block-conflicts (component)
(do-ir2-blocks (block component)
(do ((conf (ir2-block-global-tns block)
- (global-conflicts-next conf))
+ (global-conflicts-next-blockwise conf))
(prev nil conf))
((null conf))
(when prev
(tn-number (global-conflicts-tn prev)))
(barf "~S and ~S out of order in ~S" prev conf block)))
- (unless (find-in #'global-conflicts-tn-next
+ (unless (find-in #'global-conflicts-next-tnwise
conf
(tn-global-conflicts
(global-conflicts-tn conf)))
(fp (ir2-physenv-old-fp 2env))
(2block (block-info (lambda-block (physenv-lambda env)))))
(do ((conf (ir2-block-global-tns 2block)
- (global-conflicts-next conf)))
+ (global-conflicts-next-blockwise conf)))
((null conf))
(let ((tn (global-conflicts-tn conf)))
(unless (or (eq (global-conflicts-kind conf) :write)
\f
;;;; data structure dumping routines
-;;; When we print Continuations and TNs, we assign them small numeric IDs so
-;;; that we can get a handle on anonymous objects given a printout.
-(macrolet ((def-frob (counter vto vfrom fto ffrom)
+;;; When we print CONTINUATIONs and TNs, we assign them small numeric
+;;; IDs so that we can get a handle on anonymous objects given a
+;;; printout.
+;;;
+;;; FIXME:
+;;; * Perhaps this machinery should be #!+SB-SHOW.
+;;; * Probably the hash tables should either be weak hash tables,
+;;; or only allocated within a single compilation unit. Otherwise
+;;; there will be a tendency for them to grow without bound and
+;;; keep garbage from being collected.
+(macrolet ((def (counter vto vfrom fto ffrom)
`(progn
(defvar ,vto (make-hash-table :test 'eq))
(defvar ,vfrom (make-hash-table :test 'eql))
(proclaim '(hash-table ,vto ,vfrom))
(defvar ,counter 0)
(proclaim '(fixnum ,counter))
-
+
(defun ,fto (x)
(or (gethash x ,vto)
(let ((num (incf ,counter)))
(setf (gethash num ,vfrom) x)
(setf (gethash x ,vto) num))))
-
+
(defun ,ffrom (num)
(values (gethash num ,vfrom))))))
- (def-frob *continuation-number* *continuation-numbers* *number-continuations* cont-num num-cont)
- (def-frob *tn-id* *tn-ids* *id-tns* tn-id id-tn)
- (def-frob *label-id* *id-labels* *label-ids* label-id id-label))
+ (def *continuation-number* *continuation-numbers* *number-continuations*
+ cont-num num-cont)
+ (def *tn-id* *tn-ids* *id-tns* tn-id id-tn)
+ (def *label-id* *id-labels* *label-ids* label-id id-label))
;;; Print a terse one-line description of LEAF.
(defun print-leaf (leaf &optional (stream *standard-output*))
;;; representing what the code does.
(defun print-nodes (block)
(setq block (block-or-lose block))
- (format t "~%block start c~D" (cont-num (block-start block)))
-
- (let ((last (block-last block)))
- (terpri)
- (do ((cont (block-start block) (node-cont (continuation-next cont))))
- (())
- (let ((node (continuation-next cont)))
- (format t "~3D: " (cont-num (node-cont node)))
- (etypecase node
- (ref (print-leaf (ref-leaf node)))
- (basic-combination
- (let ((kind (basic-combination-kind node)))
- (format t "~(~A ~A~) c~D"
- (if (fun-info-p kind) "known" kind)
- (type-of node)
- (cont-num (basic-combination-fun node)))
- (dolist (arg (basic-combination-args node))
- (if arg
- (print-continuation arg)
- (format t " <none>")))))
- (cset
- (write-string "set ")
- (print-leaf (set-var node))
- (print-continuation (set-value node)))
- (cif
- (format t "if c~D" (cont-num (if-test node)))
- (print-continuation (block-start (if-consequent node)))
- (print-continuation (block-start (if-alternative node))))
- (bind
- (write-string "bind ")
- (print-leaf (bind-lambda node)))
- (creturn
- (format t "return c~D " (cont-num (return-result node)))
- (print-leaf (return-lambda node)))
- (entry
- (format t "entry ~S" (entry-exits node)))
- (exit
- (let ((value (exit-value node)))
- (cond (value
- (format t "exit c~D" (cont-num value)))
- ((exit-entry node)
- (format t "exit <no value>"))
- (t
- (format t "exit <degenerate>"))))))
- (terpri)
- (when (eq node last) (return)))))
-
- (let ((succ (block-succ block)))
- (format t "successors~{ c~D~}~%"
- (mapcar (lambda (x) (cont-num (block-start x))) succ)))
+ (pprint-logical-block (nil nil)
+ (format t "~:@_IR1 block ~D start c~D"
+ (block-number block) (cont-num (block-start block)))
+
+ (let ((last (block-last block)))
+ (pprint-newline :mandatory)
+ (do ((cont (block-start block) (node-cont (continuation-next cont))))
+ ((not cont))
+ (let ((node (continuation-next cont)))
+ (format t "~3D: " (cont-num (node-cont node)))
+ (etypecase node
+ (ref (print-leaf (ref-leaf node)))
+ (basic-combination
+ (let ((kind (basic-combination-kind node)))
+ (format t "~(~A~A ~A~) c~D"
+ (if (node-tail-p node) "tail " "")
+ (if (fun-info-p kind) "known" kind)
+ (type-of node)
+ (cont-num (basic-combination-fun node)))
+ (dolist (arg (basic-combination-args node))
+ (if arg
+ (print-continuation arg)
+ (format t " <none>")))))
+ (cset
+ (write-string "set ")
+ (print-leaf (set-var node))
+ (print-continuation (set-value node)))
+ (cif
+ (format t "if c~D" (cont-num (if-test node)))
+ (print-continuation (block-start (if-consequent node)))
+ (print-continuation (block-start (if-alternative node))))
+ (bind
+ (write-string "bind ")
+ (print-leaf (bind-lambda node))
+ (when (functional-kind (bind-lambda node))
+ (format t " ~S ~S" :kind (functional-kind (bind-lambda node)))))
+ (creturn
+ (format t "return c~D " (cont-num (return-result node)))
+ (print-leaf (return-lambda node)))
+ (entry
+ (format t "entry ~S" (entry-exits node)))
+ (exit
+ (let ((value (exit-value node)))
+ (cond (value
+ (format t "exit c~D" (cont-num value)))
+ ((exit-entry node)
+ (format t "exit <no value>"))
+ (t
+ (format t "exit <degenerate>"))))))
+ (pprint-newline :mandatory)
+ (when (eq node last) (return)))))
+
+ (let ((succ (block-succ block)))
+ (format t "successors~{ c~D~}~%"
+ (mapcar (lambda (x) (cont-num (block-start x))) succ))))
(values))
-;;; Print a useful representation of a TN. If the TN has a leaf, then do a
-;;; Print-Leaf on that, otherwise print a generated ID.
-(defun print-tn (tn &optional (stream *standard-output*))
+;;; Print the guts of a TN. (logic shared between PRINT-OBJECT (TN T)
+;;; and printers for compound objects which contain TNs)
+(defun print-tn-guts (tn &optional (stream *standard-output*))
(declare (type tn tn))
(let ((leaf (tn-leaf tn)))
(cond (leaf
(when (and (tn-sc tn) (tn-offset tn))
(format stream "[~A]" (location-print-name tn)))))
-;;; Print the TN-Refs representing some operands to a VOP, linked by
-;;; TN-Ref-Across.
+;;; Print the TN-REFs representing some operands to a VOP, linked by
+;;; TN-REF-ACROSS.
(defun print-operands (refs)
(declare (type (or tn-ref null) refs))
(pprint-logical-block (*standard-output* nil)
(let ((tn (tn-ref-tn ref))
(ltn (tn-ref-load-tn ref)))
(cond ((not ltn)
- (print-tn tn))
+ (print-tn-guts tn))
(t
- (print-tn tn)
+ (print-tn-guts tn)
(princ (if (tn-ref-write-p ref) #\< #\>))
- (print-tn ltn)))
+ (print-tn-guts ltn)))
(princ #\space)
(pprint-newline :fill)))))
-;;; Print the vop, putting args, info and results on separate lines, if
+;;; Print the VOP, putting args, info and results on separate lines, if
;;; necessary.
(defun print-vop (vop)
(pprint-logical-block (*standard-output* nil)
(when (vop-results vop)
(princ "=> ")
(print-operands (vop-results vop))))
- (terpri))
+ (pprint-newline :mandatory))
;;; Print the VOPs in the specified IR2 block.
(defun print-ir2-block (block)
(declare (type ir2-block block))
- (cond
- ((eq (block-info (ir2-block-block block)) block)
- (format t "~%IR2 block start c~D~%"
- (cont-num (block-start (ir2-block-block block))))
- (let ((label (ir2-block-%label block)))
- (when label
- (format t "L~D:~%" (label-id label)))))
- (t
- (format t "<overflow>~%")))
-
- (do ((vop (ir2-block-start-vop block)
- (vop-next vop))
- (number 0 (1+ number)))
- ((null vop))
- (format t "~W: " number)
- (print-vop vop)))
+ (pprint-logical-block (*standard-output* nil)
+ (cond
+ ((eq (block-info (ir2-block-block block)) block)
+ (format t "~:@_IR2 block ~D start c~D~:@_"
+ (ir2-block-number block)
+ (cont-num (block-start (ir2-block-block block))))
+ (let ((label (ir2-block-%label block)))
+ (when label
+ (format t "L~D:~:@_" (label-id label)))))
+ (t
+ (format t "<overflow>~:@_")))
+
+ (do ((vop (ir2-block-start-vop block)
+ (vop-next vop))
+ (number 0 (1+ number)))
+ ((null vop))
+ (format t "~W: " number)
+ (print-vop vop))))
;;; This is like PRINT-NODES, but dumps the IR2 representation of the
;;; code in BLOCK.
(values))
;;; Scan the IR2 blocks in emission order.
-(defun print-ir2-blocks (thing)
- (do-ir2-blocks (block (block-component (block-or-lose thing)))
- (print-ir2-block block))
+(defun print-ir2-blocks (thing &optional full)
+ (let* ((block (component-head (block-component (block-or-lose thing))))
+ (2block (block-info block)))
+ (pprint-logical-block (nil nil)
+ (loop while 2block
+ do (setq block (ir2-block-block 2block))
+ do (pprint-logical-block (*standard-output* nil)
+ (if full
+ (print-nodes block)
+ (format t "IR1 block ~D start c~D"
+ (block-number block)
+ (cont-num (block-start block))))
+ (pprint-indent :block 4)
+ (pprint-newline :mandatory)
+ (loop while (and 2block (eq (ir2-block-block 2block) block))
+ do (print-ir2-block 2block)
+ do (setq 2block (ir2-block-next 2block))))
+ do (pprint-newline :mandatory))))
(values))
;;; Do a PRINT-NODES on BLOCK and all blocks reachable from it by
(defvar *list-conflicts-table* (make-hash-table :test 'eq))
-;;; Add all ALWAYS-LIVE TNs in Block to the conflicts. TN is ignored when
-;;; it appears in the global conflicts.
+;;; Add all ALWAYS-LIVE TNs in BLOCK to the conflicts. TN is ignored
+;;; when it appears in the global conflicts.
(defun add-always-live-tns (block tn)
(declare (type ir2-block block) (type tn tn))
(do ((conf (ir2-block-global-tns block)
- (global-conflicts-next conf)))
+ (global-conflicts-next-blockwise conf)))
((null conf))
(when (eq (global-conflicts-kind conf) :live)
(let ((btn (global-conflicts-tn conf)))
(setf (gethash btn *list-conflicts-table*) t)))))
(values))
-;;; Add all local TNs in block to the conflicts.
+;;; Add all local TNs in BLOCK to the conflicts.
(defun add-all-local-tns (block)
(declare (type ir2-block block))
(let ((ltns (ir2-block-local-tns block)))
(let ((confs (tn-global-conflicts tn)))
(cond (confs
(clrhash *list-conflicts-table*)
- (do ((conf confs (global-conflicts-tn-next conf)))
+ (do ((conf confs (global-conflicts-next-tnwise conf)))
((null conf))
+ (format t "~&#<block ~D kind ~S>~%"
+ (block-number (ir2-block-block (global-conflicts-block
+ conf)))
+ (global-conflicts-kind conf))
(let ((block (global-conflicts-block conf)))
(add-always-live-tns block tn)
(if (eq (global-conflicts-kind conf) :live)
(not (tn-global-conflicts tn)))
(res tn)))))
(do ((gtn (ir2-block-global-tns block)
- (global-conflicts-next gtn)))
+ (global-conflicts-next-blockwise gtn)))
((null gtn))
(when (or (eq (global-conflicts-kind gtn) :live)
(/= (sbit confs (global-conflicts-number gtn)) 0))
(defun nth-vop (thing n)
#!+sb-doc
- "Return the Nth VOP in the IR2-Block pointed to by Thing."
+ "Return the Nth VOP in the IR2-BLOCK pointed to by THING."
(let ((block (block-info (block-or-lose thing))))
(do ((i 0 (1+ i))
(vop (ir2-block-start-vop block) (vop-next vop)))