Reviewers: Michael Starzinger, Dmitry Lomov (chromium),
Message:
PTAL. Dmitry, could you please check out the .js/.html code again? Michael,
could you please review the rest of the actual runtime changes?
Description:
Add tool to visualize machine code/lithium.
In the process:
- Add a command-line flag --opt-code-positions to track source position
information throughout optimized code.
- Add a subclass of the hydrogen graph builder to ensure that source
position is
properly set on the graph builder for all generated hydrogen code.
- Overhaul handling of source positions in hydrogen to ensure they are
passed
through to generated code consistently and in most cases transparently.
Please review this at https://chromiumcodereview.appspot.com/24957003/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+892, -374 lines):
M src/arm/lithium-arm.h
M src/arm/lithium-arm.cc
M src/arm/lithium-codegen-arm.h
M src/arm/lithium-codegen-arm.cc
M src/code-stubs-hydrogen.cc
M src/codegen.cc
M src/compiler.cc
M src/flag-definitions.h
M src/hydrogen-instructions.h
M src/hydrogen-instructions.cc
M src/hydrogen-osr.cc
M src/hydrogen-representation-changes.cc
M src/hydrogen.h
M src/hydrogen.cc
M src/ia32/lithium-codegen-ia32.h
M src/ia32/lithium-codegen-ia32.cc
M src/ia32/lithium-ia32.h
M src/ia32/lithium-ia32.cc
M src/lithium-codegen.h
M src/lithium-codegen.cc
M src/lithium.h
M src/lithium.cc
M src/x64/lithium-codegen-x64.h
M src/x64/lithium-codegen-x64.cc
M src/x64/lithium-x64.h
M src/x64/lithium-x64.cc
A tools/sodium/index.html
A tools/sodium/sodium.js
A tools/sodium/styles.css
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