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- ;;; Guile-GCC --- Guile extension to GCC. -*- coding: utf-8 -*-
- ;;; Copyright (C) 2012 Ludovic Courtès
- ;;;
- ;;; This file is part of Guile-GCC.
- ;;;
- ;;; Guile-GCC is free software; you can redistribute it and/or modify it
- ;;; under the terms of the GNU General Public License as published by
- ;;; the Free Software Foundation; either version 3 of the License, or (at
- ;;; your option) any later version.
- ;;;
- ;;; Guile-GCC is distributed in the hope that it will be useful, but
- ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
- ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ;;; GNU General Public License for more details.
- ;;;
- ;;; You should have received a copy of the GNU General Public License
- ;;; along with Guile-GCC. If not, see <http://www.gnu.org/licenses/>.
- (define-module (test-cgraph)
- #:use-module (gcc)
- #:use-module (gcc cgraph)
- #:use-module (gcc gimple)
- #:use-module (srfi srfi-1))
- ;; Test whether a pass can be inserted at a point where the cgraph is built,
- ;; whether it can traverse the cgraph, and whether it can access the
- ;; corresponding tree or GIMPLE nodes.
- (define call-graph-info-pass
- (make-pass "call-graph-info" GIMPLE_PASS
- (lambda ()
- (let ((n (cgraph-get-node (current-function-decl))))
- (and (eq? (cgraph-node-decl n) (current-function-decl))
- (inform (decl-source-location (cgraph-node-decl n))
- "~a callers, ~a callees"
- (length (cgraph-node-callers n))
- (length (cgraph-node-callees n))))
- (for-each (lambda (edge)
- (let ((call (cgraph-edge-call-statement edge)))
- (and (gimple? call)
- (= (gimple-code call) GIMPLE_CALL)
- (let* ((fn (gimple-call-fndecl call))
- (id (decl-name fn)))
- (inform (gimple-source-location call)
- "call to ~a"
- (identifier-string id))))))
- (cgraph-node-callees n)))
- ;; Nothing left to do.
- 0)))
- ;; Register a pass after `*build_cgraph_edges', which is the one that builds
- ;; the cgraph nodes.
- (register-pass "guile" call-graph-info-pass "*build_cgraph_edges"
- (pass-position after))
- ;; Register a callback to be called after most of the optimization passes,
- ;; including inlining.
- (register-callback "guile" PLUGIN_FINISH
- (lambda ()
- (or (pair? (cgraph-nodes))
- (error-at %unknown-location "no nodes"))))
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