Georg Schmid 94ae207bc7 [ptr-compr] Revisit transformed Phis in Decompression Elimination ... Currently, decompression elimination may reduce phis by pushing decompressions in the value inputs of the phi "down" and replacing it by a single decompression following the phi node. Because of the way that the replacement is currently done, other reducers in the same phase will not generally get a chance to revisit the modified phi. In the specific case of v8:9335 this blocked an additional optimization in CommonOperatorReducer from being applied, causing the overall load elimination test to fail. This CL fixes the replacement behavior in decompression elimination to also allow for revisitations of the modified phi node. Bug: v8:9335 v8:9336 Change-Id: I3ca5686dacb41a525160b08456905ba77cf28b39 Cq-Include-Trybots: luci.v8.try:v8_linux64_pointer_compression_rel_ng Cq-Include-Trybots: luci.v8.try:v8_linux64_arm64_pointer_compression_rel_ng Change-Id: I3ca5686dacb41a525160b08456905ba77cf28b39 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1648238 Reviewed-by: Santiago Aboy Solanes <solanes@chromium.org> Reviewed-by: Tobias Tebbi <tebbi@chromium.org> Commit-Queue: Georg Schmid <gsps@google.com> Cr-Commit-Position: refs/heads/master@{#62054}		2019-06-07 15:52:48 +00:00
..
arm	[cleanup] Replace function typedefs by using declarations	2019-05-28 08:35:08 +00:00
arm64	[arm64][windows] Ensure 64-bit values in unittest	2019-06-04 16:30:12 +00:00
backend	[cleanup] Replace simple typedefs by using	2019-05-27 12:39:49 +00:00
ia32	[cleanup] Replace simple typedefs by using	2019-05-27 12:39:49 +00:00
mips	Move architecture dependent files	2019-05-28 14:02:15 +00:00
mips64	Move architecture dependent files	2019-05-28 14:02:15 +00:00
ppc	Move code generation related files to src/codegen	2019-05-21 10:33:39 +00:00
regalloc	[cleanup] Replace simple typedefs by using	2019-05-27 12:39:49 +00:00
s390	Move architecture dependent files	2019-05-28 14:02:15 +00:00
x64	[cleanup] Replace function typedefs by using declarations	2019-05-28 08:35:08 +00:00
branch-elimination-unittest.cc	Revert "[TurboFan] Diagnostic code to track down bug in representation selection"	2017-11-14 09:26:51 +00:00
bytecode-analysis-unittest.cc	Move remaining files in src/	2019-05-24 18:24:36 +00:00
checkpoint-elimination-unittest.cc	[cleanup] Refactor compiler to use default members.	2018-09-17 12:12:21 +00:00
code-assembler-unittest.cc	Move more relevant files to src/objects	2019-05-23 08:52:30 +00:00
code-assembler-unittest.h	[cleanup] Refactor compiler to use default members.	2018-09-17 12:12:21 +00:00
common-operator-reducer-unittest.cc	Move code generation related files to src/codegen	2019-05-21 10:33:39 +00:00
common-operator-unittest.cc	test: Replace _TEST_CASE_ with _TEST_SUITE_.	2019-02-18 21:36:56 +00:00
compiler-test-utils.h	[turbofan] Drop V8_TURBOFAN_BACKEND and V8_TURBOFAN_TARGET defines.	2015-08-10 07:17:34 +00:00
constant-folding-reducer-unittest.cc	Move relevant files to src/execution	2019-05-22 08:36:33 +00:00
control-equivalence-unittest.cc	Move utility code to src/utils	2019-05-23 14:13:34 +00:00
control-flow-optimizer-unittest.cc	[cleanup] Refactor compiler to use default members.	2018-09-17 12:12:21 +00:00
dead-code-elimination-unittest.cc	[cleanup] Refactor compiler to use default members.	2018-09-17 12:12:21 +00:00
decompression-elimination-unittest.cc	[ptr-compr] Revisit transformed Phis in Decompression Elimination	2019-06-07 15:52:48 +00:00
diamond-unittest.cc	[cleanup] [compiler] Fix (D)CHECK macros	2017-09-25 10:21:34 +00:00
effect-control-linearizer-unittest.cc	[ptr-compr][cleanup] Removing the optimized map checks	2019-05-28 09:39:23 +00:00
graph-reducer-unittest.cc	[cleanup] Replace 0 and NULL with nullptr for compiler files.	2018-09-14 16:20:29 +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	Move more relevant files to src/objects	2019-05-23 08:52:30 +00:00
graph-unittest.h	Move handles-related files to src/handles	2019-05-23 06:00:15 +00:00
int64-lowering-unittest.cc	Move more relevant files to src/objects	2019-05-23 08:52:30 +00:00
js-call-reducer-unittest.cc	Move more relevant files to src/objects	2019-05-23 08:52:30 +00:00
js-create-lowering-unittest.cc	Move more relevant files to src/objects	2019-05-23 08:52:30 +00:00
js-intrinsic-lowering-unittest.cc	[cleanup] Remove unused IsTypedArray runtime function	2019-05-21 07:25:39 +00:00
js-native-context-specialization-unittest.cc	Move number related files to src/numbers	2019-05-15 19:34:44 +00:00
js-operator-unittest.cc	test: Replace _TEST_CASE_ with _TEST_SUITE_.	2019-02-18 21:36:56 +00:00
js-typed-lowering-unittest.cc	Move relevant files to src/execution	2019-05-22 08:36:33 +00:00
linkage-tail-call-unittest.cc	Reland "[arm64] Preparation for padding of arguments"	2017-12-20 13:50:36 +00:00
load-elimination-unittest.cc	Retire PretenureFlag and use AllocationType everywhere.	2019-03-12 08:10:44 +00:00
loop-peeling-unittest.cc	[cleanup] Refactor compiler to use default members.	2018-09-17 12:12:21 +00:00
machine-operator-reducer-unittest.cc	[turbofan] Reduce consecutive machine additions with constants	2019-05-24 08:45:59 +00:00
machine-operator-unittest.cc	[cleanup] Replace simple typedefs by using	2019-05-27 12:39:49 +00:00
node-cache-unittest.cc	[cleanup] Replace simple typedefs by using	2019-05-27 12:39:49 +00:00
node-matchers-unittest.cc	[cleanup] Refactor compiler to use default members.	2018-09-17 12:12:21 +00:00
node-properties-unittest.cc	[jumbo] add unittests jumbo support	2017-09-28 22:19:40 +00:00
node-test-utils.cc	Move more relevant files to src/objects	2019-05-23 08:52:30 +00:00
node-test-utils.h	Move code generation related files to src/codegen	2019-05-21 10:33:39 +00:00
node-unittest.cc	[cleanup] Replace simple typedefs by using	2019-05-27 12:39:49 +00:00
opcodes-unittest.cc	[ubsan][compiler] Avoid out-of-range casts to IrOpcode::Value	2019-01-25 20:55:25 +00:00
persistent-unittest.cc	[ubsan] Fix numerical overflows in the compiler	2019-01-10 11:17:37 +00:00
redundancy-elimination-unittest.cc	Revert recent ConsString-related changes	2019-04-18 12:24:53 +00:00
schedule-unittest.cc	[cleanup] Replace simple typedefs by using	2019-05-27 12:39:49 +00:00
scheduler-rpo-unittest.cc	[cleanup] Refactor compiler to use default members.	2018-09-17 12:12:21 +00:00
scheduler-unittest.cc	Reland "Introduce StdoutStream which prints to Android log or stdout"	2018-06-14 13:29:01 +00:00
simplified-lowering-unittest.cc	[turbofan] Rename "js_heap_broker" to "broker".	2018-10-15 08:17:17 +00:00
simplified-operator-reducer-unittest.cc	Move number related files to src/numbers	2019-05-15 19:34:44 +00:00
simplified-operator-unittest.cc	Reland "[typedarray] Move external/data pointer to JSTypedArray."	2019-05-27 17:44:06 +00:00
state-values-utils-unittest.cc	Move utility code to src/utils	2019-05-23 14:13:34 +00:00
typed-optimization-unittest.cc	Move relevant files to src/execution	2019-05-22 08:36:33 +00:00
typer-unittest.cc	[cleanup] Replace simple typedefs by using	2019-05-27 12:39:49 +00:00
value-numbering-reducer-unittest.cc	[jumbo] fix another set of unittest compilation errors	2017-10-19 09:15:44 +00:00
zone-stats-unittest.cc	[cleanup] Don't use virtual inheritance in gtest fixtures	2018-10-30 06:28:42 +00:00