• Paolo Severini's avatar
    Reland "Faster JS-to-Wasm calls" · 6ada6a90
    Paolo Severini authored
    This is a reland of 860fcb1b
    
    - Disabled the tests for this feature in V8-lite mode (the original
    change broke V8-lite tests)
    - Also modified test console-profile-wasm.js that was brittle with this
    change because it assumed that there was always a JS-to-Wasm wrapper
    but this is not the case when the TurboFan compilation completes before
    the Liftoff-compiled code starts to run.
    
    More changes in Patchset 8:
    
    - Moved inlining of the "JSToWasm Wrapper" away from simplified-lowering,
    into a new phase, wasm-inlining that reuses the JSInliner reducer.
    The doc
    https://docs.google.com/document/d/1mXxYnYN77tK-R1JOVo6tFG3jNpMzfueQN1Zp5h3r9aM/edit#
    describes the new logic.
    
    - Fixed a couple of small issues in wasm_compiler.cc to make sure that
    the graph "JSToWasm Wrapper" subgraph has a valid Control chain;
    this should solve the problem we had inlining the calls in functions
    that can throw exception.
    
    
    Original change's description:
    > Faster JS-to-Wasm calls
    >
    > This replaces https://chromium-review.googlesource.com/c/v8/v8/+/2376165/.
    >
    > Currently JS-to-Wasm calls go through a wrapper/trampoline, built on
    > the basis of the signature of a Wasm function to call, and whose task
    > is to:
    > - set "thread_in_wasm_flag" to true
    > - convert the arguments from tagged types into Wasm native types
    > - calculate the address of the Wasm function to call and call it
    > - convert back the result from Wasm native types into tagged types
    > - reset "thread_in_wasm_flag" to false.
    >
    > This CL tries to improve the performance of JS-to-Wasm calls by
    > inlining the code of the JS-to-Wasm wrappers in the call site.
    >
    > It introduces a new IR operand, JSWasmCall, which replaces JSCall for
    > this kind of calls. A 'JSWasmCall' node is associated to
    > WasmCallParameters, which contain information about the signature of
    > the Wasm function to call.
    >
    > WasmWrapperGraphBuilder::BuildJSToWasmWrapper is modified to avoid generating code to convert the types for the arguments
    > of the Wasm function, when the conversion is not necessary.
    > The actual inlining of the graph generated for this wrapper happens in
    > the simplified-lowering phase.
    >
    > A new builtin, JSToWasmLazyDeoptContinuation, is introduced to manage
    > lazy deoptimizations that can happen if the Wasm function callee calls
    > back some JS code that invalidates the compiled JS caller function.
    >
    > Bug: v8:11092
    > Change-Id: I3174c1c1f59b39107b333d1929ecc0584486b8ad
    > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2557538
    > Reviewed-by: Igor Sheludko <ishell@chromium.org>
    > Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
    > Reviewed-by: Georg Neis (ooo until January 5) <neis@chromium.org>
    > Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
    > Reviewed-by: Maya Lekova <mslekova@chromium.org>
    > Reviewed-by: Andreas Haas <ahaas@chromium.org>
    > Commit-Queue: Paolo Severini <paolosev@microsoft.com>
    > Cr-Commit-Position: refs/heads/master@{#71824}
    
    Bug: v8:11092
    Cq-Include-Trybots: luci.v8.try:v8_linux_arm_lite_rel_ng
    Change-Id: I7d8523fa916bf4029a31f8c7a72bbd93336dc0b9
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2596784Reviewed-by: 's avatarGeorg Neis <neis@chromium.org>
    Reviewed-by: 's avatarAndreas Haas <ahaas@chromium.org>
    Reviewed-by: 's avatarNico Hartmann <nicohartmann@chromium.org>
    Reviewed-by: 's avatarMaya Lekova <mslekova@chromium.org>
    Reviewed-by: 's avatarIgor Sheludko <ishell@chromium.org>
    Commit-Queue: Paolo Severini <paolosev@microsoft.com>
    Cr-Commit-Position: refs/heads/master@{#72147}
    6ada6a90
Name
Last commit
Last update
..
backend Loading commit data...
DEPS Loading commit data...
DIR_METADATA Loading commit data...
OWNERS Loading commit data...
access-builder.cc Loading commit data...
access-builder.h Loading commit data...
access-info.cc Loading commit data...
access-info.h Loading commit data...
add-type-assertions-reducer.cc Loading commit data...
add-type-assertions-reducer.h Loading commit data...
all-nodes.cc Loading commit data...
all-nodes.h Loading commit data...
allocation-builder-inl.h Loading commit data...
allocation-builder.h Loading commit data...
basic-block-instrumentor.cc Loading commit data...
basic-block-instrumentor.h Loading commit data...
branch-elimination.cc Loading commit data...
branch-elimination.h Loading commit data...
bytecode-analysis.cc Loading commit data...
bytecode-analysis.h Loading commit data...
bytecode-graph-builder.cc Loading commit data...
bytecode-graph-builder.h Loading commit data...
bytecode-liveness-map.cc Loading commit data...
bytecode-liveness-map.h Loading commit data...
c-linkage.cc Loading commit data...
checkpoint-elimination.cc Loading commit data...
checkpoint-elimination.h Loading commit data...
code-assembler.cc Loading commit data...
code-assembler.h Loading commit data...
common-node-cache.cc Loading commit data...
common-node-cache.h Loading commit data...
common-operator-reducer.cc Loading commit data...
common-operator-reducer.h Loading commit data...
common-operator.cc Loading commit data...
common-operator.h Loading commit data...
compilation-dependencies.cc Loading commit data...
compilation-dependencies.h Loading commit data...
compilation-dependency.h Loading commit data...
compiler-source-position-table.cc Loading commit data...
compiler-source-position-table.h Loading commit data...
constant-folding-reducer.cc Loading commit data...
constant-folding-reducer.h Loading commit data...
control-equivalence.cc Loading commit data...
control-equivalence.h Loading commit data...
control-flow-optimizer.cc Loading commit data...
control-flow-optimizer.h Loading commit data...
csa-load-elimination.cc Loading commit data...
csa-load-elimination.h Loading commit data...
dead-code-elimination.cc Loading commit data...
dead-code-elimination.h Loading commit data...
decompression-optimizer.cc Loading commit data...
decompression-optimizer.h Loading commit data...
diamond.h Loading commit data...
effect-control-linearizer.cc Loading commit data...
effect-control-linearizer.h Loading commit data...
escape-analysis-reducer.cc Loading commit data...
escape-analysis-reducer.h Loading commit data...
escape-analysis.cc Loading commit data...
escape-analysis.h Loading commit data...
feedback-source.cc Loading commit data...
feedback-source.h Loading commit data...
frame-states.cc Loading commit data...
frame-states.h Loading commit data...
frame.cc Loading commit data...
frame.h Loading commit data...
functional-list.h Loading commit data...
globals.h Loading commit data...
graph-assembler.cc Loading commit data...
graph-assembler.h Loading commit data...
graph-reducer.cc Loading commit data...
graph-reducer.h Loading commit data...
graph-trimmer.cc Loading commit data...
graph-trimmer.h Loading commit data...
graph-visualizer.cc Loading commit data...
graph-visualizer.h Loading commit data...
graph-zone-traits.h Loading commit data...
graph.cc Loading commit data...
graph.h Loading commit data...
heap-refs.h Loading commit data...
int64-lowering.cc Loading commit data...
int64-lowering.h Loading commit data...
js-call-reducer.cc Loading commit data...
js-call-reducer.h Loading commit data...
js-context-specialization.cc Loading commit data...
js-context-specialization.h Loading commit data...
js-create-lowering.cc Loading commit data...
js-create-lowering.h Loading commit data...
js-generic-lowering.cc Loading commit data...
js-generic-lowering.h Loading commit data...
js-graph.cc Loading commit data...
js-graph.h Loading commit data...
js-heap-broker.cc Loading commit data...
js-heap-broker.h Loading commit data...
js-heap-copy-reducer.cc Loading commit data...
js-heap-copy-reducer.h Loading commit data...
js-inlining-heuristic.cc Loading commit data...
js-inlining-heuristic.h Loading commit data...
js-inlining.cc Loading commit data...
js-inlining.h Loading commit data...
js-intrinsic-lowering.cc Loading commit data...
js-intrinsic-lowering.h Loading commit data...
js-native-context-specialization.cc Loading commit data...
js-native-context-specialization.h Loading commit data...
js-operator.cc Loading commit data...
js-operator.h Loading commit data...
js-type-hint-lowering.cc Loading commit data...
js-type-hint-lowering.h Loading commit data...
js-typed-lowering.cc Loading commit data...
js-typed-lowering.h Loading commit data...
linkage.cc Loading commit data...
linkage.h Loading commit data...
load-elimination.cc Loading commit data...
load-elimination.h Loading commit data...
loop-analysis.cc Loading commit data...
loop-analysis.h Loading commit data...
loop-peeling.cc Loading commit data...
loop-peeling.h Loading commit data...
loop-variable-optimizer.cc Loading commit data...
loop-variable-optimizer.h Loading commit data...
machine-graph-verifier.cc Loading commit data...
machine-graph-verifier.h Loading commit data...
machine-graph.cc Loading commit data...
machine-graph.h Loading commit data...
machine-operator-reducer.cc Loading commit data...
machine-operator-reducer.h Loading commit data...
machine-operator.cc Loading commit data...
machine-operator.h Loading commit data...
map-inference.cc Loading commit data...
map-inference.h Loading commit data...
memory-lowering.cc Loading commit data...
memory-lowering.h Loading commit data...
memory-optimizer.cc Loading commit data...
memory-optimizer.h Loading commit data...
node-aux-data.h Loading commit data...
node-cache.h Loading commit data...
node-marker.cc Loading commit data...
node-marker.h Loading commit data...
node-matchers.cc Loading commit data...
node-matchers.h Loading commit data...
node-origin-table.cc Loading commit data...
node-origin-table.h Loading commit data...
node-properties.cc Loading commit data...
node-properties.h Loading commit data...
node.cc Loading commit data...
node.h Loading commit data...
opcodes.cc Loading commit data...
opcodes.h Loading commit data...
operation-typer.cc Loading commit data...
operation-typer.h Loading commit data...
operator-properties.cc Loading commit data...
operator-properties.h Loading commit data...
operator.cc Loading commit data...
operator.h Loading commit data...
osr.cc Loading commit data...
osr.h Loading commit data...
per-isolate-compiler-cache.h Loading commit data...
persistent-map.h Loading commit data...
pipeline-statistics.cc Loading commit data...
pipeline-statistics.h Loading commit data...
pipeline.cc Loading commit data...
pipeline.h Loading commit data...
processed-feedback.h Loading commit data...
property-access-builder.cc Loading commit data...
property-access-builder.h Loading commit data...
raw-machine-assembler.cc Loading commit data...
raw-machine-assembler.h Loading commit data...
redundancy-elimination.cc Loading commit data...
redundancy-elimination.h Loading commit data...
refs-map.cc Loading commit data...
refs-map.h Loading commit data...
representation-change.cc Loading commit data...
representation-change.h Loading commit data...
schedule.cc Loading commit data...
schedule.h Loading commit data...
scheduled-machine-lowering.cc Loading commit data...
scheduled-machine-lowering.h Loading commit data...
scheduler.cc Loading commit data...
scheduler.h Loading commit data...
select-lowering.cc Loading commit data...
select-lowering.h Loading commit data...
serializer-for-background-compilation.cc Loading commit data...
serializer-for-background-compilation.h Loading commit data...
serializer-hints.h Loading commit data...
simd-scalar-lowering.cc Loading commit data...
simd-scalar-lowering.h Loading commit data...
simplified-lowering.cc Loading commit data...
simplified-lowering.h Loading commit data...
simplified-operator-reducer.cc Loading commit data...
simplified-operator-reducer.h Loading commit data...
simplified-operator.cc Loading commit data...
simplified-operator.h Loading commit data...
state-values-utils.cc Loading commit data...
state-values-utils.h Loading commit data...
store-store-elimination.cc Loading commit data...
store-store-elimination.h Loading commit data...
type-cache.cc Loading commit data...
type-cache.h Loading commit data...
type-narrowing-reducer.cc Loading commit data...
type-narrowing-reducer.h Loading commit data...
typed-optimization.cc Loading commit data...
typed-optimization.h Loading commit data...
typer.cc Loading commit data...
typer.h Loading commit data...
types.cc Loading commit data...
types.h Loading commit data...
value-numbering-reducer.cc Loading commit data...
value-numbering-reducer.h Loading commit data...
verifier.cc Loading commit data...
verifier.h Loading commit data...
wasm-compiler.cc Loading commit data...
wasm-compiler.h Loading commit data...
write-barrier-kind.h Loading commit data...
zone-stats.cc Loading commit data...
zone-stats.h Loading commit data...