diff options
author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-10 09:28:39 +0000 |
---|---|---|
committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-10 09:28:39 +0000 |
commit | 32761a6cee1d0dee366b885b7b9c777e67885688 (patch) | |
tree | d6bec92bebfb216f4126356e55518842c2f476a1 /Source/JavaScriptCore/b3/B3BreakCriticalEdges.cpp | |
parent | a4e969f4965059196ca948db781e52f7cfebf19e (diff) | |
download | WebKitGtk-tarball-32761a6cee1d0dee366b885b7b9c777e67885688.tar.gz |
webkitgtk-2.4.11webkitgtk-2.4.11
Diffstat (limited to 'Source/JavaScriptCore/b3/B3BreakCriticalEdges.cpp')
-rw-r--r-- | Source/JavaScriptCore/b3/B3BreakCriticalEdges.cpp | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/Source/JavaScriptCore/b3/B3BreakCriticalEdges.cpp b/Source/JavaScriptCore/b3/B3BreakCriticalEdges.cpp deleted file mode 100644 index 60272d56d..000000000 --- a/Source/JavaScriptCore/b3/B3BreakCriticalEdges.cpp +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright (C) 2016 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" -#include "B3BreakCriticalEdges.h" - -#if ENABLE(B3_JIT) - -#include "B3BasicBlockInlines.h" -#include "B3BlockInsertionSet.h" -#include "B3ControlValue.h" -#include "B3ProcedureInlines.h" -#include "B3ValueInlines.h" - -namespace JSC { namespace B3 { - -void breakCriticalEdges(Procedure& proc) -{ - BlockInsertionSet insertionSet(proc); - - for (BasicBlock* block : proc) { - if (block->numSuccessors() <= 1) - continue; - - for (BasicBlock*& successor : block->successorBlocks()) { - if (successor->numPredecessors() <= 1) - continue; - - BasicBlock* pad = - insertionSet.insertBefore(successor, successor->frequency()); - pad->appendNew<ControlValue>( - proc, Jump, successor->at(0)->origin(), FrequentedBlock(successor)); - pad->addPredecessor(block); - successor->replacePredecessor(block, pad); - successor = pad; - } - } - - insertionSet.execute(); - proc.invalidateCFG(); -} - -} } // namespace JSC::B3 - -#endif // ENABLE(B3_JIT) - |