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Unified Diff: src/hydrogen-infer-types.h

Issue 18568007: Turn infer types into proper HPhase. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Feedback Created 7 years, 5 months ago
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Index: src/hydrogen-infer-types.h
diff --git a/src/hydrogen-infer-types.h b/src/hydrogen-infer-types.h
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index 0000000000000000000000000000000000000000..cfcbf3549ba51603ea9f8aabd55f4d6070ad0488
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+++ b/src/hydrogen-infer-types.h
@@ -0,0 +1,59 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * 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.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "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 THE COPYRIGHT
+// OWNER 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.
+
+#ifndef V8_HYDROGEN_INFER_TYPES_H_
+#define V8_HYDROGEN_INFER_TYPES_H_
+
+#include "hydrogen.h"
+
+namespace v8 {
+namespace internal {
+
+
+class HInferTypesPhase : public HPhase {
+ public:
+ explicit HInferTypesPhase(HGraph* graph)
+ : HPhase("H_Inferring types", graph), worklist_(8, zone()),
+ in_worklist_(graph->GetMaximumValueID(), zone()) { }
+
+ void Run() {
+ InferTypes(0, graph()->blocks()->length() - 1);
+ }
+
+ private:
+ void InferTypes(int from_inclusive, int to_inclusive);
+
+ ZoneList<HValue*> worklist_;
+ BitVector in_worklist_;
+
+ DISALLOW_COPY_AND_ASSIGN(HInferTypesPhase);
+};
+
+
+} } // namespace v8::internal
+
+#endif // V8_HYDROGEN_INFER_TYPES_H_
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