Reviewers: Sven Panne,
Message:
PTAL
Description:
[turbofan] Initial version of branch cloning.
This implements a special case of block cloning to recognize constructs like
if (a ? b : c) { ... }
that happen to be generated by Emscripten quite often.
Please review this at https://codereview.chromium.org/947963002/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+221, -5 lines):
M src/compiler/control-flow-optimizer.h
M src/compiler/control-flow-optimizer.cc
M src/compiler/pipeline.cc
M src/flag-definitions.h
A test/mjsunit/asm/if-cloning.js
M test/unittests/compiler/control-flow-optimizer-unittest.cc
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