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llvm-mirror/lib/Transforms/Scalar
Davide Italiano ad5b04fd3b [NewGVN] Optimize processing for instructions found trivially dead.
Don't call `isTriviallyDeadInstructions()` once we discover that
an instruction is dead. Instead, set DFS number zero (as suggested
by Danny) and forget about it (this also speeds up things as we
won't try to reprocess that block).

Differential Revision:  https://reviews.llvm.org/D28930

llvm-svn: 292676
2017-01-20 23:29:28 +00:00
..
ADCE.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
AlignmentFromAssumptions.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
BDCE.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
CMakeLists.txt [PM] Separate the LoopAnalysisManager from the LoopPassManager and move 2017-01-11 09:43:56 +00:00
ConstantHoisting.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
ConstantProp.cpp Don't remove side effecting instructions due to ConstantFoldInstruction 2016-07-22 04:54:44 +00:00
CorrelatedValuePropagation.cpp [CVP] Adjust iteration order to reduce the amount of work required 2016-12-30 18:00:55 +00:00
DCE.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
DeadStoreElimination.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
EarlyCSE.cpp [EarlyCSE] Don't DSE across readnone functions that may throw 2017-01-17 20:15:47 +00:00
FlattenCFGPass.cpp
Float2Int.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
GuardWidening.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
GVN.cpp [DWARF] Null out the debug locs of load instructions that have been moved by GVN 2017-01-04 23:58:26 +00:00
GVNHoist.cpp [GVNHoist] Invalidate MemDep when an instruction is moved. 2016-12-07 19:55:59 +00:00
InductiveRangeCheckElimination.cpp Revert @llvm.assume with operator bundles (r289755-r289757) 2016-12-19 08:22:17 +00:00
IndVarSimplify.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
IVUsersPrinter.cpp [PM] Separate the LoopAnalysisManager from the LoopPassManager and move 2017-01-11 09:43:56 +00:00
JumpThreading.cpp Fix spelling mistakes in Transforms comments. NFC. 2016-11-20 13:19:49 +00:00
LICM.cpp Improve what can be promoted in LICM. 2017-01-19 19:31:40 +00:00
LLVMBuild.txt
LoadCombine.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
LoopAccessAnalysisPrinter.cpp [PM] Separate the LoopAnalysisManager from the LoopPassManager and move 2017-01-11 09:43:56 +00:00
LoopDataPrefetch.cpp Revert @llvm.assume with operator bundles (r289755-r289757) 2016-12-19 08:22:17 +00:00
LoopDeletion.cpp [LoopDeletion] (cleanup, NFC) Fix one more local variable that didn't 2017-01-18 02:43:01 +00:00
LoopDistribute.cpp [PM] Separate the LoopAnalysisManager from the LoopPassManager and move 2017-01-11 09:43:56 +00:00
LoopIdiomRecognize.cpp [PM] Separate the LoopAnalysisManager from the LoopPassManager and move 2017-01-11 09:43:56 +00:00
LoopInstSimplify.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
LoopInterchange.cpp Revert @llvm.assume with operator bundles (r289755-r289757) 2016-12-19 08:22:17 +00:00
LoopLoadElimination.cpp Fix LoopLoadElimination to keep original alignment on the inital hoisted store 2017-01-06 21:06:51 +00:00
LoopPassManager.cpp [PM] Separate the LoopAnalysisManager from the LoopPassManager and move 2017-01-11 09:43:56 +00:00
LoopRerollPass.cpp [LoopReroll] Make root-finding more aggressive. 2016-11-21 22:35:34 +00:00
LoopRotation.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
LoopSimplifyCFG.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
LoopSink.cpp [PM] Port LoopSink to the new pass manager. 2017-01-20 08:42:19 +00:00
LoopStrengthReduce.cpp [LoopStrengthReduce] Don't bother rewriting PHIs in catchswitch blocks 2017-01-13 22:24:27 +00:00
LoopUnrollPass.cpp Introduce -unroll-partial-threshold to separate PartialThreshold from Threshold in loop unorller. 2017-01-17 23:39:33 +00:00
LoopUnswitch.cpp Fix use after free 2017-01-06 21:49:08 +00:00
LoopVersioningLICM.cpp [LoopVersioning] Require loop-simplify form for loop versioning. 2016-12-19 17:13:37 +00:00
LowerAtomic.cpp
LowerExpectIntrinsic.cpp [Profile] handle select instruction in 'expect' lowering 2016-09-02 22:03:40 +00:00
LowerGuardIntrinsic.cpp [PM] Port LowerGuardIntrinsic to the new PM. 2016-07-28 22:08:41 +00:00
MemCpyOptimizer.cpp [Target, Transforms] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2017-01-18 00:57:48 +00:00
MergedLoadStoreMotion.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
NaryReassociate.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
NewGVN.cpp [NewGVN] Optimize processing for instructions found trivially dead. 2017-01-20 23:29:28 +00:00
PartiallyInlineLibCalls.cpp Consistently use FunctionAnalysisManager 2016-08-09 00:28:15 +00:00
PlaceSafepoints.cpp
Reassociate.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
Reg2Mem.cpp
RewriteStatepointsForGC.cpp Apply clang-tidy's performance-unnecessary-value-param to LLVM. 2017-01-13 14:39:03 +00:00
Scalar.cpp [GVN] Initial check-in of a new global value numbering algorithm. 2016-12-22 16:03:48 +00:00
Scalarizer.cpp Scalarizer: Support scalarizing intrinsics 2016-07-25 20:02:54 +00:00
SCCP.cpp [SCCP] Teach the pass how to handle div with overdefined operands. 2017-01-19 23:07:51 +00:00
SeparateConstOffsetFromGEP.cpp Revert @llvm.assume with operator bundles (r289755-r289757) 2016-12-19 08:22:17 +00:00
SimplifyCFGPass.cpp Revert @llvm.assume with operator bundles (r289755-r289757) 2016-12-19 08:22:17 +00:00
Sink.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
SpeculativeExecution.cpp SpeculativeExecution: Allow speculating more inst types 2016-10-28 20:00:33 +00:00
SROA.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
StraightLineStrengthReduce.cpp IR: Change the gep_type_iterator API to avoid always exposing the "current" type. 2016-12-02 02:24:42 +00:00
StructurizeCFG.cpp [StructurizeCfg] Update dominator info. 2017-01-10 02:50:47 +00:00
TailRecursionElimination.cpp [TRE] Remove dead code 2016-11-07 22:17:37 +00:00