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23a8837fcc
v8/test/unittests/compiler
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bmeurer 23a8837fcc Revert of [turbofan] Splinter into one range. (patchset #2 id:80001 of https://codereview.chromium.org/1391023007/ ) 
Reason for revert:
Weird endless loop in TopLevelLiveRange::Merge() due to always splitting first and not making progress. See comments, unfortunately no useable repro.

Original issue's description:
> [turbofan] Splinter into one range.
>
> Before this CL, we created one live range per successive set of
> deferred blocks. For scenarios with many such blocks, this creates
> an upfront pressure for the register allocator to deal with many ranges.
> Linear sorts ranges, which is a super-linear operation.
>
> The change places all deferred intervals into one range, meaning that,
> at most, there will be twice as many live ranges as the original set. In
> pathological cases (benchmarks/Compile/slow_nbody1.js), this change
> halves the compilation time. We see some improvements elsewhere,
> notably SQLite at ~4-5%.
>
> We may be able to avoid the subsequent merge. Its cost is the
> additional ranges it may need to create. The sole reason for the merge
> phase is to provide an unchanged view of the world to the subsequent
> phases. With the at-most-one splinter model, we may be able to teach
> the other phases about splintering - should we find perf hindrances
> due to merging.
>
> Committed: https://crrev.com/efdcd20267870276c5824f1ccf4e171ac378f7ae
> Cr-Commit-Position: refs/heads/master@{#31224}

TBR=jarin@chromium.org,mtrofin@google.com,mtrofin@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1403163003

Cr-Commit-Position: refs/heads/master@{#31300}
2015-10-15 13:28:20 +00:00
..
arm [arm] Optimize vcmp when lhs operand is #0.0 2015-09-24 12:04:16 +00:00
arm64 [turbofan] Negate with shifted input for ARM64 2015-10-14 14:51:06 +00:00
ia32 [x86] Introduce vandps/vandpd/vxorps/vxorpd. 2015-04-11 00:58:38 +00:00
mips [mips] Fix mips unittests (to not use invalid load representation). 2015-09-15 15:50:44 +00:00
mips64 MIPS64: Fix unittests (to not use invalid load representation). 2015-09-15 21:28:30 +00:00
ppc Update PPC OWNERS 2015-07-27 21:37:55 +00:00
x64 [x86] Introduce vandps/vandpd/vxorps/vxorpd. 2015-04-11 00:58:38 +00:00
bytecode-graph-builder-unittest.cc [Interpreter]: Add support for strict mode load / store ICs. 2015-10-07 07:54:27 +00:00
change-lowering-unittest.cc [turbofan] Introduce node regions for protection from scheduling. 2015-10-14 14:53:12 +00:00
coalesced-live-ranges-unittest.cc [turbofan] Factored out the test live range builder. 2015-08-31 09:57:48 +00:00
common-operator-reducer-unittest.cc [turbofan] Also update the BranchHint when merging a BooleanNot. 2015-06-26 12:08:26 +00:00
common-operator-unittest.cc [turbofan] Introduce node regions for protection from scheduling. 2015-10-14 14:53:12 +00:00
compiler-test-utils.h [turbofan] Drop V8_TURBOFAN_BACKEND and V8_TURBOFAN_TARGET defines. 2015-08-10 07:17:34 +00:00
control-equivalence-unittest.cc [turbofan] Check node input/use consistency for changed operators and new nodes. 2015-09-25 08:43:11 +00:00
control-flow-optimizer-unittest.cc [turbofan] Remove the JSGraph dependency from the ControlFlowOptimizer. 2015-05-28 09:13:05 +00:00
dead-code-elimination-unittest.cc [turbofan] Proper dead code elimination as regular reducer. 2015-06-19 12:07:26 +00:00
diamond-unittest.cc [turbofan] Check node input/use consistency for changed operators and new nodes. 2015-09-25 08:43:11 +00:00
graph-reducer-unittest.cc [turbofan] Make Node::set_op safer via wrapper. 2015-09-24 14:46:37 +00:00
graph-reducer-unittest.h [turbofan] Add AdvancedReducer::ReplaceWithValue() method and convert JSInlining to an AdvancedReducer. 2015-05-12 12:41:36 +00:00
graph-trimmer-unittest.cc [turbofan] Proper dead code elimination as regular reducer. 2015-06-19 12:07:26 +00:00
graph-unittest.cc [turbofan] Get rid of type lower bounds. 2015-09-16 11:55:43 +00:00
graph-unittest.h [turbofan] Remove usage of Unique<T> from graph. 2015-08-31 08:25:05 +00:00
instruction-selector-unittest.cc [turbofan] Introduce node regions for protection from scheduling. 2015-10-14 14:53:12 +00:00
instruction-selector-unittest.h [turbofan] Change RawMachineAssembler to take a CallDescriptor instead of a MachineSignature. 2015-07-21 15:54:27 +00:00
instruction-sequence-unittest.cc Re-reland: Remove register index/code indirection 2015-10-02 16:55:22 +00:00
instruction-sequence-unittest.h Re-reland: Remove register index/code indirection 2015-10-02 16:55:22 +00:00
interpreter-assembler-unittest.cc [Interpreter] Add support for global declarations and load/store of global variables 2015-10-07 21:20:02 +00:00
interpreter-assembler-unittest.h [Interpreter] Add support for short (16 bit) operands. 2015-10-01 17:23:14 +00:00
js-builtin-reducer-unittest.cc Make isolate.h usable without objects-inl.h header. 2015-09-01 09:25:27 +00:00
js-context-relaxation-unittest.cc [turbofan] Call FastNewContextStub for function context. 2015-10-02 09:30:21 +00:00
js-intrinsic-lowering-unittest.cc [turbofan] Make Strict(Not)Equal, TypeOf, ToBoolean, UnaryNot effectful. 2015-09-29 13:51:33 +00:00
js-operator-unittest.cc [turbofan] Call FastNewContextStub for function context. 2015-10-02 09:30:21 +00:00
js-type-feedback-unittest.cc Reland "[turbofan] Checking of input counts on node creation" 2015-09-23 09:08:34 +00:00
js-typed-lowering-unittest.cc [turbofan] Introduce node regions for protection from scheduling. 2015-10-14 14:53:12 +00:00
linkage-tail-call-unittest.cc [turbofan]: Add better encapsulation to LinkageLocation 2015-07-30 14:52:30 +00:00
live-range-builder.h [turbofan] Live Range unit tests. 2015-08-31 13:27:12 +00:00
live-range-unittest.cc Revert of [turbofan] Splinter into one range. (patchset #2 id:80001 of https://codereview.chromium.org/1391023007/ ) 2015-10-15 13:28:20 +00:00
liveness-analyzer-unittest.cc Reland "[turbofan] Checking of input counts on node creation" 2015-09-23 09:08:34 +00:00
load-elimination-unittest.cc [turbofan] Turn LoadElimination into an AdvancedReducer. 2015-06-05 16:40:58 +00:00
loop-peeling-unittest.cc [turbofan] Check node input/use consistency for changed operators and new nodes. 2015-09-25 08:43:11 +00:00
machine-operator-reducer-unittest.cc [turbofan] Elide fp32 convert for const compares 2015-09-24 11:24:33 +00:00
machine-operator-unittest.cc [turbofan] Limit the load/store machine types to the ones we actually use. 2015-09-15 05:45:30 +00:00
move-optimizer-unittest.cc [test] make instruction sequence test emit cfgs more like the scheduler 2015-04-30 13:39:16 +00:00
node-cache-unittest.cc [test] Turn compiler/test-node-cache into a unit test. 2015-04-29 14:40:05 +00:00
node-matchers-unittest.cc [presubmit] Enable readability/namespace linter checking. 2015-09-30 13:47:11 +00:00
node-properties-unittest.cc [turbofan] Proper dead code elimination as regular reducer. 2015-06-19 12:07:26 +00:00
node-test-utils.cc [turbofan] Introduce node regions for protection from scheduling. 2015-10-14 14:53:12 +00:00
node-test-utils.h [turbofan] Introduce node regions for protection from scheduling. 2015-10-14 14:53:12 +00:00
node-unittest.cc Fix -Wsign-compare errors in TF tests under GCC 4.9.2 2015-06-15 12:03:45 +00:00
opcodes-unittest.cc [turbofan] Strength reduction for inline comparisons. 2015-02-24 12:26:29 +00:00
register-allocator-unittest.cc Re-reland: Remove register index/code indirection 2015-10-02 16:55:22 +00:00
schedule-unittest.cc Model exceptional edges from call nodes in TurboFan. 2015-02-20 09:55:00 +00:00
scheduler-unittest.cc [turbofan] Fix scheduler test for Loop/Terminate nodes. 2015-10-09 10:52:59 +00:00
select-lowering-unittest.cc Reland "[turbofan] Fix select lowering" with fix. 2014-11-10 11:55:47 +00:00
simplified-operator-reducer-unittest.cc [turbofan] Remove obsolete unique.h includes in TurboFan. 2015-09-01 10:30:57 +00:00
simplified-operator-unittest.cc [turbofan] Make string comparisons effectful. 2015-09-29 14:39:01 +00:00
state-values-utils-unittest.cc [turbofan] Remember types for deoptimization during simplified lowering. 2015-03-19 14:00:33 +00:00
tail-call-optimization-unittest.cc [turbofan]: Add better encapsulation to LinkageLocation 2015-07-30 14:52:30 +00:00
typer-unittest.cc [presubmit] Fix whitespace/semicolon linter violations. 2015-09-28 08:18:49 +00:00
value-numbering-reducer-unittest.cc [turbofan] Check node input/use consistency for changed operators and new nodes. 2015-09-25 08:43:11 +00:00
zone-pool-unittest.cc Fix invalid use of int in Zone. 2015-02-12 12:47:18 +00:00