Reviewers: jarin,
Message:
PTAL
Description:
[turbofan] Support lowering of ChangeFloat64ToTagged/ChangeTaggedToInt32.
Adds new ValueEffect operator to ensure proper scheduling of
AllocateHeapNumber call nodes.
Also does some refactoring to reduce code duplication.
TEST=compiler-unittests
Please review this at https://codereview.chromium.org/481903002/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+217, -53 lines):
M src/compiler/change-lowering.h
M src/compiler/change-lowering.cc
M src/compiler/common-operator.h
M src/compiler/opcodes.h
M src/compiler/operator-properties-inl.h
M src/compiler/typer.cc
M test/compiler-unittests/change-lowering-unittest.cc
M test/compiler-unittests/common-operator-unittest.cc
M test/compiler-unittests/graph-unittest.h
M test/compiler-unittests/graph-unittest.cc
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