Reviewers: Michael Starzinger, rossberg,
Message:
Please take a look
rossberg: Typer changes
michi: everything else
Description:
Use big-boy Types to annotate interface descriptor parameters
- Add TypeSignature, a specialization of Signature, which tracks
per-parameter Types, and thread TypeSignature through stubs and
the TF pipeline.
- Augment Typer to decorate parameter nodes with types from
TypeSignature.
- Factor interface descriptors into platform-specific and
platform-independent components so that all descriptors can share
a common TypeSignature.
Please review this at https://codereview.chromium.org/1197703002/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+1067, -915 lines):
M BUILD.gn
M src/arm/interface-descriptors-arm.cc
M src/arm64/interface-descriptors-arm64.cc
M src/code-stubs.h
M src/code-stubs.cc
M src/code-stubs-hydrogen.cc
M src/compiler.h
M src/compiler.cc
M src/compiler/linkage-impl.h
M src/compiler/pipeline.cc
M src/compiler/typer.h
M src/compiler/typer.cc
M src/hydrogen-instructions.h
M src/ia32/interface-descriptors-ia32.cc
M src/interface-descriptors.h
M src/interface-descriptors.cc
M src/isolate.h
M src/mips/interface-descriptors-mips.cc
M src/mips64/interface-descriptors-mips64.cc
A src/type-signature.h
A src/type-signature.cc
M src/x64/interface-descriptors-x64.cc
M test/cctest/compiler/test-changes-lowering.cc
M test/cctest/compiler/test-js-constant-cache.cc
M test/cctest/compiler/test-js-typed-lowering.cc
M test/cctest/compiler/test-machine-operator-reducer.cc
M test/cctest/compiler/test-simplified-lowering.cc
M test/unittests/compiler/graph-unittest.cc
M tools/gyp/v8.gyp
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