1 files changed, 122 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/b3/B3Generate.cpp b/Source/JavaScriptCore/b3/B3Generate.cpp
new file mode 100644
index 000000000..63bdada61
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+++ b/Source/JavaScriptCore/b3/B3Generate.cpp
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+/*
+ * Copyright (C) 2015-2016 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 "B3Generate.h"
+
+#if ENABLE(B3_JIT)
+
+#include "AirCode.h"
+#include "AirGenerate.h"
+#include "AirInstInlines.h"
+#include "B3Common.h"
+#include "B3DuplicateTails.h"
+#include "B3EliminateCommonSubexpressions.h"
+#include "B3FixSSA.h"
+#include "B3FoldPathConstants.h"
+#include "B3LegalizeMemoryOffsets.h"
+#include "B3LowerMacros.h"
+#include "B3LowerMacrosAfterOptimizations.h"
+#include "B3LowerToAir.h"
+#include "B3MoveConstants.h"
+#include "B3Procedure.h"
+#include "B3ReduceDoubleToFloat.h"
+#include "B3ReduceStrength.h"
+#include "B3TimingScope.h"
+#include "B3Validate.h"
+#include "PCToCodeOriginMap.h"
+
+namespace JSC { namespace B3 {
+
+void prepareForGeneration(Procedure& procedure, unsigned optLevel)
+{
+    TimingScope timingScope("prepareForGeneration");
+
+    generateToAir(procedure, optLevel);
+    Air::prepareForGeneration(procedure.code());
+}
+
+void generate(Procedure& procedure, CCallHelpers& jit)
+{
+    Air::generate(procedure.code(), jit);
+}
+
+void generateToAir(Procedure& procedure, unsigned optLevel)
+{
+    TimingScope timingScope("generateToAir");
+    
+    if (shouldDumpIR(B3Mode) && !shouldDumpIRAtEachPhase(B3Mode)) {
+        dataLog("Initial B3:\n");
+        dataLog(procedure);
+    }
+
+    // We don't require the incoming IR to have predecessors computed.
+    procedure.resetReachability();
+    
+    if (shouldValidateIR())
+        validate(procedure);
+
+    if (optLevel >= 1) {
+        reduceDoubleToFloat(procedure);
+        reduceStrength(procedure);
+        eliminateCommonSubexpressions(procedure);
+        duplicateTails(procedure);
+        fixSSA(procedure);
+        foldPathConstants(procedure);
+        
+        // FIXME: Add more optimizations here.
+        // https://bugs.webkit.org/show_bug.cgi?id=150507
+    }
+
+    lowerMacros(procedure);
+
+    if (optLevel >= 1) {
+        reduceStrength(procedure);
+
+        // FIXME: Add more optimizations here.
+        // https://bugs.webkit.org/show_bug.cgi?id=150507
+    }
+
+    lowerMacrosAfterOptimizations(procedure);
+    legalizeMemoryOffsets(procedure);
+    moveConstants(procedure);
+
+    if (shouldValidateIR())
+        validate(procedure);
+    
+    // If we're doing super verbose dumping, the phase scope of any phase will already do a dump.
+    // Note that lowerToAir() acts like a phase in this regard.
+    if (shouldDumpIR(B3Mode) && !shouldDumpIRAtEachPhase(B3Mode)) {
+        dataLog("B3 after ", procedure.lastPhaseName(), ", before generation:\n");
+        dataLog(procedure);
+    }
+
+    lowerToAir(procedure);
+}
+
+} } // namespace JSC::B3
+
+#endif // ENABLE(B3_JIT)
+