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ededfcd212
v8/test/cctest
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Adam Klein ededfcd212 Skip hole initialization of lexical variables when possible 
This patch expands scope analysis to skip hole initialization
when it can be determined statically that no hole checks will
be generated at runtime.

Two conditions must be met to safely eliminate hole initialization:
  - There must not exist a VariableProxy referencing this Variable
    whose HoleCheckMode is kRequired
  - The Variable must be stack allocated; any other allocation implies
    that it may be accessed from not-yet-analyzed scopes (other modules,
    inner functions, or eval code) and that code may require
    hole checks.

The new logic required removing debug code in full-codegen which is
now incorrect in some cases.

Also fixed Variable's bitfield helpers to take no more space than needed.

Bug: chromium:651637
Change-Id: Ie5ac326af4e05b7a5c3c37cd4d0afba6a51a504d
Reviewed-on: https://chromium-review.googlesource.com/494006
Commit-Queue: Adam Klein <adamk@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45170}
2017-05-08 19:28:30 +00:00
..
compiler [cctest] Refactor CallHelper to use variadic templates 2017-05-05 12:05:45 +00:00
ffi [iwyu] Pre-work for removing unallowed include macro-assembler.h -> assembler-inl.h 2017-02-23 12:10:21 +00:00
heap Reland: [TypeFeedbackVector] Store optimized code in the vector 2017-05-04 11:21:59 +00:00
interpreter Skip hole initialization of lexical variables when possible 2017-05-08 19:28:30 +00:00
libplatform [Tracing] Support multi-categories group list. 2016-12-08 00:28:18 +00:00
libsampler Include only stuff you need, part 6: Fix cctest.h. 2016-09-01 12:02:16 +00:00
parsing [modules] Disallow HTML comments in modules 2017-05-04 18:42:12 +00:00
wasm [WASM SIMD] Replace primitive shuffles with general Shuffle. 2017-05-04 16:50:51 +00:00
ast-types-fuzz.h Remove SIMD.js from V8. 2017-02-14 06:57:25 +00:00
BUILD.gn [asm.js] Remove AST-based asm.js validator implementation. 2017-05-05 08:57:35 +00:00
cctest_exe.isolate [Swarming] Isolate perf tests. 2016-02-15 11:17:18 +00:00
cctest.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
cctest.gyp [asm.js] Remove AST-based asm.js validator implementation. 2017-05-05 08:57:35 +00:00
cctest.h [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
cctest.isolate [Interpreter] Refactor bytecode generator test suite. 2016-02-25 12:07:19 +00:00
cctest.status [test] Skip more flaky tests 2017-05-05 10:08:10 +00:00
DEPS Add DEPS files and run checkdeps in presubmit check 2014-06-03 13:39:42 +00:00
expression-type-collector-macros.h Make typing-asm match spec more closely around load/store, add more tests. 2015-11-30 21:11:47 +00:00
gay-fixed.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
gay-fixed.h [presubmit] Enable readability/namespace linter checking. 2015-09-30 13:47:11 +00:00
gay-precision.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
gay-precision.h [presubmit] Enable readability/namespace linter checking. 2015-09-30 13:47:11 +00:00
gay-shortest.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
gay-shortest.h [presubmit] Enable readability/namespace linter checking. 2015-09-30 13:47:11 +00:00
log-eq-of-logging-and-traversal.js Fix test-log/EquivalenceOfLoggingAndTraversal 2013-08-26 14:56:23 +00:00
OWNERS [wasm] Drop old typing-asm and its tests. 2016-07-14 00:06:34 +00:00
print-extension.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
print-extension.h Remove deprecated functions the smaller half of the remaing tests 2015-11-17 12:42:44 +00:00
profiler-extension.cc Introduce v8::CpuProfiler::New and v8::CpuProfiler::Dispose API. 2016-07-08 15:01:10 +00:00
profiler-extension.h Introduce v8::CpuProfiler::New and v8::CpuProfiler::Dispose API. 2016-07-08 15:01:10 +00:00
scope-test-helper.h [parser] Skipping inner funcs: collect data needed for allocation, not the allocation result. 2017-03-07 14:23:14 +00:00
setup-isolate-for-tests.cc Reland "[snapshot] Move builtins generation into mksnapshot" 2017-04-07 13:31:29 +00:00
setup-isolate-for-tests.h Reland "[snapshot] Move builtins generation into mksnapshot" 2017-04-07 13:31:29 +00:00
test-access-checks.cc Fix receiver checks for v8::Function on a remote context receiver. 2017-02-22 10:13:24 +00:00
test-accessor-assembler.cc [ic] Cleanup accessor handling, fix cached property on global, remove cache-on-prototype support 2017-03-15 16:42:51 +00:00
test-accessors.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
test-api-accessors.cc Remove experimental fast accessor builder API 2017-03-14 08:14:48 +00:00
test-api-interceptors.cc Use --opt instead of --crankshaft in tests. 2017-04-28 14:20:39 +00:00
test-api.cc Do not enter contexts implicitly 2017-05-03 13:59:32 +00:00
test-api.h Include only stuff you need, part 6: Fix cctest.h. 2016-09-01 12:02:16 +00:00
test-array-list.cc Rename TypeFeedbackVector to FeedbackVector. 2017-02-07 14:46:36 +00:00
test-assembler-arm64.cc Revert "Reland "ARM64: Add NEON support"" 2017-04-15 10:27:17 +00:00
test-assembler-arm.cc [WASM SIMD] Implement horizontal add for float and integer types. 2017-04-24 18:53:16 +00:00
test-assembler-ia32.cc [test] Make CHECK_EQ calls in cctest consistent. 2017-02-07 14:20:02 +00:00
test-assembler-mips64.cc MIPS64: Move load/store instructions to macro-assembler. 2017-04-20 13:45:05 +00:00
test-assembler-mips.cc MIPS: Fix Subu and add optimization 2017-04-27 12:56:50 +00:00
test-assembler-ppc.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-assembler-s390.cc s390: use new mul instruction 2017-02-13 18:50:35 +00:00
test-assembler-x64.cc [iwyu] Pre-work for removing unallowed include macro-assembler.h -> assembler-inl.h 2017-02-23 12:10:21 +00:00
test-assembler-x87.cc [test] Make CHECK_EQ calls in cctest consistent. 2017-02-07 14:20:02 +00:00
test-ast-types.cc Rename TypeFeedbackVector to FeedbackVector. 2017-02-07 14:46:36 +00:00
test-ast.cc [Parser] Introduce AstStringConstants to share constants across AstValueFactory 2017-01-17 10:20:47 +00:00
test-atomicops.cc Reland Update implementation of atomics with latest Chromium version but use compiler builtin atomics 2016-10-21 10:05:42 +00:00
test-bignum-dtoa.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-bignum.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-bit-vector.cc Named all zones in the project 2016-10-17 12:12:42 +00:00
test-circular-queue.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-code-cache.cc [ic] Cleanup accessor handling, fix cached property on global, remove cache-on-prototype support 2017-03-15 16:42:51 +00:00
test-code-layout.cc Rename TypeFeedbackVector to FeedbackVector. 2017-02-07 14:46:36 +00:00
test-code-stub-assembler.cc [builtins] Improve performance of array.prototype.filter and map. 2017-04-24 12:47:24 +00:00
test-code-stubs-arm64.cc [iwyu|arm64] Pre-work for removing the illegal include macro-assembler.h -> assembler-inl.h 2017-03-15 12:08:50 +00:00
test-code-stubs-arm.cc [iwyu|arm] Pre-work for removing unallowed include macro-assembler.h -> assembler-inl.h 2017-02-28 13:31:30 +00:00
test-code-stubs-ia32.cc [RegisterConfiguration] Streamline access to arch defaults, simplify Registers. 2016-06-27 15:31:31 +00:00
test-code-stubs-mips64.cc MIPS64: Move load/store instructions to macro-assembler. 2017-04-20 13:45:05 +00:00
test-code-stubs-mips.cc MIPS: Move ldc1/sdc1 to macro-assembler. 2017-03-21 11:35:40 +00:00
test-code-stubs-x64.cc [iwyu] Pre-work for removing unallowed include macro-assembler.h -> assembler-inl.h 2017-02-23 12:10:21 +00:00
test-code-stubs-x87.cc [RegisterConfiguration] Streamline access to arch defaults, simplify Registers. 2016-06-27 15:31:31 +00:00
test-code-stubs.cc [iwyu] Pre-work for removing unallowed include macro-assembler.h -> assembler-inl.h 2017-02-23 12:10:21 +00:00
test-code-stubs.h Introduce x87 port 2014-05-23 16:37:27 +00:00
test-compiler.cc Use --opt instead of --crankshaft in tests. 2017-04-28 14:20:39 +00:00
test-constantpool.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-conversions.cc Rename TypeFeedbackVector to FeedbackVector. 2017-02-07 14:46:36 +00:00
test-cpu-profiler.cc Use --opt instead of --crankshaft in tests. 2017-04-28 14:20:39 +00:00
test-date.cc [intl] Reorganize code 2017-04-24 13:54:15 +00:00
test-debug.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
test-decls.cc [runtime] Intercept function declarations. 2016-09-15 15:48:34 +00:00
test-deoptimization.cc [iwyu] Pre-work for removing unallowed include macro-assembler.h -> assembler-inl.h 2017-02-23 12:10:21 +00:00
test-dictionary.cc [iwyu] Pre-work for removing unallowed include macro-assembler.h -> assembler-inl.h 2017-02-23 12:10:21 +00:00
test-disasm-arm64.cc Revert "Reland "ARM64: Add NEON support"" 2017-04-15 10:27:17 +00:00
test-disasm-arm.cc [WASM SIMD] Implement horizontal add for float and integer types. 2017-04-24 18:53:16 +00:00
test-disasm-ia32.cc [ia32] Add cmpps/vcmpps for eq/lt/le/neq 2017-04-28 01:56:26 +00:00
test-disasm-mips64.cc MIPS[64]: Support for MSA instructions 2017-03-27 13:20:35 +00:00
test-disasm-mips.cc MIPS[64]: Support for MSA instructions 2017-03-27 13:20:35 +00:00
test-disasm-ppc.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-disasm-s390.cc S390: Initial test changes and files checkin. 2016-03-15 18:09:36 +00:00
test-disasm-x64.cc [wasm] Implement wasm x64 I16x8 Ops 2017-04-17 18:47:46 +00:00
test-disasm-x87.cc [ic] Split LoadIC into LoadGlobalIC and LoadIC. 2016-06-14 13:21:28 +00:00
test-diy-fp.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-double.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-dtoa.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-elements-kind.cc [iwyu] Pre-work for removing unallowed include macro-assembler.h -> assembler-inl.h 2017-02-23 12:10:21 +00:00
test-experimental-extra.js Add experimental, non-snapshotted V8 extras 2015-08-20 00:01:14 +00:00
test-extra.js Add isPromise V8 extras util 2017-04-06 13:16:35 +00:00
test-fast-dtoa.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-feedback-vector.cc [ic] Remove disabled --collect-megamorphic-maps-from-stub-cache option. 2017-04-28 13:31:24 +00:00
test-feedback-vector.h Link type feedback vectors to the shared function info. 2017-02-08 08:33:33 +00:00
test-field-type-tracking.cc [runtime] Prototype const-to-mutable field migrations without deprecating maps. 2017-03-09 12:26:12 +00:00
test-fixed-dtoa.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-flags.cc Use --opt instead of --crankshaft in tests. 2017-04-28 14:20:39 +00:00
test-func-name-inference.cc [iwyu] Remove include debug.h -> arguments.h 2017-02-09 09:19:23 +00:00
test-fuzz-arm64.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-global-handles.cc Drop UniqueId from include/v8.h 2017-03-06 10:58:01 +00:00
test-global-object.cc include fixing: api.h shouldn't include objects-inl.h 2017-01-09 13:43:28 +00:00
test-hashing.cc [iwyu|arm64] Pre-work for removing the illegal include macro-assembler.h -> assembler-inl.h 2017-03-15 12:08:50 +00:00
test-hashmap.cc Instead of having a hashmap with a function pointer defining its 2016-09-30 16:17:06 +00:00
test-heap-profiler.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
test-hydrogen-types.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-identity-map.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
test-inobject-slack-tracking.cc [runtime] Feed back normalization to constructors (behind flag) 2017-02-27 13:56:14 +00:00
test-javascript-arm64.cc include fixing: api.h shouldn't include objects-inl.h 2017-01-09 13:43:28 +00:00
test-js-arm64-variables.cc include fixing: api.h shouldn't include objects-inl.h 2017-01-09 13:43:28 +00:00
test-list.cc Include only stuff you need, part 6: Fix cctest.h. 2016-09-01 12:02:16 +00:00
test-liveedit.cc include fixing: api.h shouldn't include objects-inl.h 2017-01-09 13:43:28 +00:00
test-lockers.cc include fixing: api.h shouldn't include objects-inl.h 2017-01-09 13:43:28 +00:00
test-log-stack-tracer.cc [iwyu] Pre-work for removing unallowed include macro-assembler.h -> assembler-inl.h 2017-02-23 12:10:21 +00:00
test-log.cc [profiler] Web UI: add summary of opts/deopts. 2017-03-22 16:02:25 +00:00
test-macro-assembler-arm.cc [WASM SIMD] Implement primitive shuffles. 2017-04-19 22:18:06 +00:00
test-macro-assembler-ia32.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-macro-assembler-mips64.cc MIPS64: Move load/store instructions to macro-assembler. 2017-04-20 13:45:05 +00:00
test-macro-assembler-mips.cc MIPS: Move ldc1/sdc1 to macro-assembler. 2017-03-21 11:35:40 +00:00
test-macro-assembler-x64.cc [iwyu] Pre-work for removing unallowed include macro-assembler.h -> assembler-inl.h 2017-02-23 12:10:21 +00:00
test-macro-assembler-x87.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-managed.cc [wasm] Managed<T> ensures T's lifetime does not leak past Isolate's 2017-02-21 17:23:38 +00:00
test-mementos.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
test-modules.cc [modules] Allow resolve-callback to signal failure. 2017-04-19 18:28:09 +00:00
test-object.cc Remove SIMD.js from V8. 2017-02-14 06:57:25 +00:00
test-parsing.cc [parser] Fix parse errors for async arrow function edge cases 2017-05-04 22:43:42 +00:00
test-platform-linux.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-platform-win32.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-platform.cc S390:Update inline asm constraint in test-platform 2016-07-16 15:36:45 +00:00
test-profile-generator.cc [compiler] Always use deopt count for disabling optimization 2017-04-13 13:41:26 +00:00
test-random-number-generator.cc Include only stuff you need, part 6: Fix cctest.h. 2016-09-01 12:02:16 +00:00
test-regexp.cc [regexp] Fold repeated assertions 2017-03-22 09:28:28 +00:00
test-representation.cc [turbofan] put src/types.[h/cc] into src/compiler/types.[h/cc] 2016-09-05 15:58:45 +00:00
test-run-wasm-relocation-arm64.cc Disentangle assembler from isolate. 2017-03-17 11:18:06 +00:00
test-run-wasm-relocation-arm.cc Disentangle assembler from isolate. 2017-03-17 11:18:06 +00:00
test-run-wasm-relocation-ia32.cc Disentangle assembler from isolate. 2017-03-17 11:18:06 +00:00
test-run-wasm-relocation-x64.cc Disentangle assembler from isolate. 2017-03-17 11:18:06 +00:00
test-run-wasm-relocation-x87.cc [wasm] Fix code specialization for empty memory buffer 2017-03-06 13:39:54 +00:00
test-sampler-api.cc Include only stuff you need, part 6: Fix cctest.h. 2016-09-01 12:02:16 +00:00
test-serialize.cc Skip hole initialization of lexical variables when possible 2017-05-08 19:28:30 +00:00
test-simulator-arm64.cc [iwyu|arm64] Pre-work for removing the illegal include macro-assembler.h -> assembler-inl.h 2017-03-15 12:08:50 +00:00
test-simulator-arm.cc Revert "Revert of [Atomics] Implement ldaxr/stlxr instructions in ARM64 simulator (patchset #8 id:140001 of https://codereview.chromium.org/2711473002/ )" 2017-02-28 03:31:39 +00:00
test-strings.cc [heap] MinorMC: Evacuation for young generation 2017-05-03 21:31:06 +00:00
test-strtod.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-symbols.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
test-thread-termination.cc Assert that context creation doesn't throw 2017-01-17 13:01:03 +00:00
test-threads.cc Include only stuff you need, part 6: Fix cctest.h. 2016-09-01 12:02:16 +00:00
test-trace-event.cc [tracing] Avoid Gcc compilation fail by declaring AddTraceEvent function in Class derived from Platform Class. 2016-09-28 08:47:33 +00:00
test-traced-value.cc [tracing] Use locale independent writer for FP values. 2017-01-12 08:08:57 +00:00
test-transitions.cc [runtime][ic] Constant field tracking support. 2017-02-10 08:05:25 +00:00
test-typedarrays.cc include fixing: api.h shouldn't include objects-inl.h 2017-01-09 13:43:28 +00:00
test-types.cc [turbofan] Introduce a dedicated Array type. 2017-04-18 12:12:27 +00:00
test-unbound-queue.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-unboxed-doubles.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
test-unique.cc Rename TypeFeedbackVector to FeedbackVector. 2017-02-07 14:46:36 +00:00
test-unscopables-hidden-prototype.cc Disable soon to be deprecated APIs per default for v8 2015-12-09 10:35:04 +00:00
test-usecounters.cc [counters] Add UseCounters for 'f() = 0' syntax 2016-12-27 17:48:40 +00:00
test-utils-arm64.cc Revert "Reland "ARM64: Add NEON support"" 2017-04-15 10:27:17 +00:00
test-utils-arm64.h Revert "Reland "ARM64: Add NEON support"" 2017-04-15 10:27:17 +00:00
test-utils.cc Allow C++11 in unittests. 2017-03-10 06:35:51 +00:00
test-version.cc Revert of [build] Introduce an embedder version string (patchset #3 id:40001 of https://codereview.chromium.org/2619213002/ ) 2017-01-21 22:36:54 +00:00
test-weakmaps.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
test-weaksets.cc [cctest] Simplify the majority of callers of CcTest::CollectAllGarbage 2017-04-27 17:20:54 +00:00
testcfg.py [test] Fix deterministic test shards. 2016-03-31 07:38:22 +00:00
trace-extension.cc Expose TickSample and its APIs in v8-profiler.h 2016-07-06 18:40:31 +00:00
trace-extension.h Expose TickSample and its APIs in v8-profiler.h 2016-07-06 18:40:31 +00:00
types-fuzz.h [turbofan] HeapConstant types should compare by handle address 2016-10-08 16:51:53 +00:00
unicode-helpers.h [parser/test] Move cctest/PreParserScopeAnalysis into a new file. 2017-02-07 10:11:01 +00:00