Reviewers: dcarney,
Message:
PTAL
Description:
[turbofan] Improve typed lowering for JSToBoolean.
- JSToBoolean(x:string) => BooleanNot(NumberEqual(x.length, #0))
- JSToBoolean(phi(x1,...,xn):primitive) =>
phi(JSToBoolean(x1),...,JSToBoolean(xn))
TEST=cctest,mjsunit/asm/do-while,mjsunit/boolean,unittests
Please review this at https://codereview.chromium.org/681223002/
Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+147, -11 lines):
M src/compiler/access-builder.h
M src/compiler/access-builder.cc
M src/compiler/js-typed-lowering.cc
M test/cctest/compiler/test-js-typed-lowering.cc
A test/mjsunit/asm/do-while.js
M test/mjsunit/boolean.js
M test/unittests/compiler/js-typed-lowering-unittest.cc
M test/unittests/compiler/node-test-utils.h
M test/unittests/compiler/node-test-utils.cc
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