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# Copyright 2016 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Use this to run several variants of the tests.
ALL_VARIANT_FLAGS = {
"assert_types": [["--assert-types"]],
"code_serializer": [["--cache=code"]],
"default": [[]],
"future": [["--future"]],
"gc_stats": [["--gc-stats=1"]],
# Alias of exhaustive variants, but triggering new test framework features.
"infra_staging": [[]],
"interpreted_regexp": [["--regexp-interpret-all"]],
"experimental_regexp": [["--default-to-experimental-regexp-engine"]],
"jitless": [["--jitless"]],
"sparkplug": [["--sparkplug"]],
"always_sparkplug": [[ "--always-sparkplug", "--sparkplug"]],
"minor_mc": [["--minor-mc"]],
"no_concurrent_inlining": [["--no-concurrent-inlining",
"--no-stress-concurrent-inlining"]],
"no_lfa": [["--no-lazy-feedback-allocation"]],
# No optimization means disable all optimizations. OptimizeFunctionOnNextCall
# would not force optimization too. It turns into a Nop. Please see
# https://chromium-review.googlesource.com/c/452620/ for more discussion.
# For WebAssembly, we test "Liftoff-only" in the nooptimization variant and
# "TurboFan-only" in the stress variant. The WebAssembly configuration is
# independent of JS optimizations, so we can combine those configs.
"nooptimization": [["--no-opt", "--liftoff", "--no-wasm-tier-up"]],
"slow_path": [["--force-slow-path"]],
"stress": [["--stress-opt", "--no-liftoff", "--stress-lazy-source-positions",
"--no-wasm-generic-wrapper"]],
"stress_concurrent_allocation": [["--stress-concurrent-allocation"]],
"stress_concurrent_inlining": [["--stress-concurrent-inlining",
"--concurrent-inlining"]],
"stress_js_bg_compile_wasm_code_gc": [["--stress-background-compile",
"--stress-wasm-code-gc"]],
"stress_incremental_marking": [["--stress-incremental-marking"]],
"stress_snapshot": [["--stress-snapshot"]],
# Trigger stress sampling allocation profiler with sample interval = 2^14
"stress_sampling": [["--stress-sampling-allocation-profiler=16384"]],
"no_wasm_traps": [["--no-wasm-trap-handler"]],
"turboprop": [["--turboprop"]],
"turboprop_as_toptier": [["--turboprop-as-toptier", "--turboprop"]],
"instruction_scheduling": [["--turbo-instruction-scheduling"]],
"stress_instruction_scheduling": [["--turbo-stress-instruction-scheduling"]],
"top_level_await": [["--harmony-top-level-await"]],
"wasm_write_protect_code": [["--wasm-write-protect-code-memory"]],
}
# Flags that lead to a contradiction with the flags provided by the respective
# variant. This depends on the flags specified in ALL_VARIANT_FLAGS and on the
# implications defined in flag-definitions.h.
INCOMPATIBLE_FLAGS_PER_VARIANT = {
"jitless": ["--opt", "--always-opt", "--liftoff", "--track-field-types",
"--validate-asm", "--sparkplug", "--always-sparkplug",
"--regexp-tier-up"],
"nooptimization": ["--always-opt"],
"slow_path": ["--no-force-slow-path"],
"stress_concurrent_allocation": ["--single-threaded-gc", "--predictable"],
"stress_concurrent_inlining": ["--single-threaded", "--predictable",
"--turboprop", "--lazy-feedback-allocation"],
"turboprop": ["--stress_concurrent_inlining"],
# The fast API tests initialize an embedder object that never needs to be
# serialized to the snapshot, so we don't have a
# SerializeInternalFieldsCallback for it, so they are incompatible with
# stress_snapshot.
"stress_snapshot": ["--expose-fast-api"],
"stress": ["--always-opt", "--no-always-opt",
"--max-inlined-bytecode-size=*",
"--max-inlined-bytecode-size-cumulative=*", "--stress-inline",
"--liftoff-only"],
"sparkplug": ["--jitless"],
"always_sparkplug": ["--jitless"],
"code_serializer": ["--cache=after-execute", "--cache=full-code-cache",
"--cache=none"],
"experimental_regexp": ["--no-enable-experimental-regexp-engine"],
# There is a negative implication: --perf-prof disables
# --wasm-write-protect-code-memory.
"wasm_write_protect_code": ["--perf-prof"],
}
# Flags that lead to a contradiction under certain build variables.
# This corresponds to the build variables usable in status files as generated
# in _get_statusfile_variables in base_runner.py.
# The conflicts might be directly contradictory flags or be caused by the
# implications defined in flag-definitions.h.
INCOMPATIBLE_FLAGS_PER_BUILD_VARIABLE = {
"lite_mode": ["--no-lazy-feedback-allocation", "--max-semi-space-size=*",
"--stress-concurrent-inlining"]
+ INCOMPATIBLE_FLAGS_PER_VARIANT["jitless"],
"predictable": ["--parallel-compile-tasks",
"--concurrent-recompilation",
"--stress-concurrent-allocation",
"--stress-concurrent-inlining"],
}
# Flags that lead to a contradiction when a certain extra-flag is present.
# Such extra-flags are defined for example in infra/testing/builders.pyl or in
# standard_runner.py.
# The conflicts might be directly contradictory flags or be caused by the
# implications defined in flag-definitions.h.
INCOMPATIBLE_FLAGS_PER_EXTRA_FLAG = {
"--concurrent-recompilation": ["--predictable"],
"--gc-interval=*": ["--gc-interval=*"],
"--optimize-for-size": ["--max-semi-space-size=*"],
"--stress_concurrent_allocation":
INCOMPATIBLE_FLAGS_PER_VARIANT["stress_concurrent_allocation"],
"--stress-concurrent-inlining":
INCOMPATIBLE_FLAGS_PER_VARIANT["stress_concurrent_inlining"],
}
SLOW_VARIANTS = set([
'stress',
'stress_snapshot',
'nooptimization',
])
FAST_VARIANTS = set([
'default'
])
def _variant_order_key(v):
if v in SLOW_VARIANTS:
return 0
if v in FAST_VARIANTS:
return 100
return 50
ALL_VARIANTS = sorted(ALL_VARIANT_FLAGS.keys(),
key=_variant_order_key)
# Check {SLOW,FAST}_VARIANTS entries
for variants in [SLOW_VARIANTS, FAST_VARIANTS]:
for v in variants:
assert v in ALL_VARIANT_FLAGS
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