llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-18 13:34:04 +00:00

History

NAKAMURA Takumi 383d8c7fdd Revert r229622: "[LoopAccesses] Make VectorizerParams global" and others. r229622 brought cyclic dependencies between Analysis and Vector.

r229622: "[LoopAccesses] Make VectorizerParams global"
  r229623: "[LoopAccesses] Stash the report from the analysis rather than emitting it"
  r229624: "[LoopAccesses] Cache the result of canVectorizeMemory"
  r229626: "[LoopAccesses] Create the analysis pass"
  r229628: "[LoopAccesses] Change debug messages from LV to LAA"
  r229630: "[LoopAccesses] Add canAnalyzeLoop"
  r229631: "[LoopAccesses] Add missing const to APIs in VectorizationReport"
  r229632: "[LoopAccesses] Split out LoopAccessReport from VectorizerReport"
  r229633: "[LoopAccesses] Add -analyze support"
  r229634: "[LoopAccesses] Change LAA:getInfo to return a constant reference"
  r229638: "Analysis: fix buildbots"

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229650 91177308-0d34-0410-b5e6-96231b3b80d8

2015-02-18 08:34:47 +00:00

IPA

Analysis: Canonicalize access to function attributes, NFC

2015-02-14 00:12:15 +00:00

AliasAnalysis.cpp

[PM] Separate the TargetLibraryInfo object from the immutable pass.

2015-01-15 10:41:28 +00:00

AliasAnalysisCounter.cpp

…

AliasAnalysisEvaluator.cpp

…

AliasDebugger.cpp

…

AliasSetTracker.cpp

AliasSet: Simplify mergeSetIn

2014-11-19 19:36:18 +00:00

Analysis.cpp

Introduce print-memderefs to test isDereferenceablePointer

2015-02-06 01:46:42 +00:00

AssumptionCache.cpp

[PM] Actually add the new pass manager support for the assumption cache.

2015-01-22 21:53:09 +00:00

BasicAliasAnalysis.cpp

[BasicAA] Try to disambiguate GEPs through arrays of structs into

2015-02-07 17:04:29 +00:00

BlockFrequencyInfo.cpp

[PM] Split the LoopInfo object apart from the legacy pass, creating

2015-01-17 14:16:18 +00:00

BlockFrequencyInfoImpl.cpp

BFI: Saturate when combining edges to a successor

2014-12-05 19:13:42 +00:00

BranchProbabilityInfo.cpp

[PM] Split the LoopInfo object apart from the legacy pass, creating

2015-01-17 14:16:18 +00:00

CaptureTracking.cpp

[cleanup] Re-sort all the #include lines in LLVM using

2015-01-14 11:23:27 +00:00

CFG.cpp

Standardize {pred,succ,use,user}_empty()

2015-01-13 03:46:47 +00:00

CFGPrinter.cpp

…

CFLAliasAnalysis.cpp

Fixed a bug where CFLAA would crash the compiler.

2015-02-12 03:07:07 +00:00

CGSCCPassManager.cpp

[PM] Remove the defunt CGSCC-specific debug flag.

2015-01-13 22:45:13 +00:00

CMakeLists.txt

Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects.

2015-02-11 03:28:02 +00:00

CodeMetrics.cpp

[PM] Split the AssumptionTracker immutable pass into two separate APIs:

2015-01-04 12:03:27 +00:00

ConstantFolding.cpp

[PM] Move TargetLibraryInfo into the Analysis library.

2015-01-15 02:16:27 +00:00

CostModel.cpp

[multiversion] Thread a function argument through all the callers of the

2015-02-01 12:01:35 +00:00

Delinearization.cpp

[PM] Split the LoopInfo object apart from the legacy pass, creating

2015-01-17 14:16:18 +00:00

DependenceAnalysis.cpp

[PM] Split the LoopInfo object apart from the legacy pass, creating

2015-01-17 14:16:18 +00:00

DominanceFrontier.cpp

…

DomPrinter.cpp

…

InstCount.cpp

…

InstructionSimplify.cpp

InstCombine: cleanup redundant dyn_cast<> (NFC)

2015-02-13 07:38:04 +00:00

Interval.cpp

…

IntervalPartition.cpp

…

IVUsers.cpp

[PM] Split the LoopInfo object apart from the legacy pass, creating

2015-01-17 14:16:18 +00:00

JumpInstrTableInfo.cpp

Add Forward Control-Flow Integrity.

2014-11-11 21:08:02 +00:00

LazyCallGraph.cpp

Revert r225854: [PM] Move the LazyCallGraph printing functionality to

2015-01-14 00:27:45 +00:00

LazyValueInfo.cpp

[PM] Separate the TargetLibraryInfo object from the immutable pass.

2015-01-15 10:41:28 +00:00

LibCallAliasAnalysis.cpp

…

LibCallSemantics.cpp

Unify the two EH personality classification routines I wrote

2015-02-14 00:21:02 +00:00

Lint.cpp

[PM] Remove the old 'PassManager.h' header file at the top level of

2015-02-13 10:01:29 +00:00

LLVMBuild.txt

Update libdeps since TLI was moved from Target to Analysis in r226078.

2015-01-15 05:21:00 +00:00

Loads.cpp

Revert r220349 to re-instate r220277 with a fix for PR21330 -- quite

2014-11-25 08:20:27 +00:00

LoopAccessAnalysis.cpp

Revert r229622: "[LoopAccesses] Make VectorizerParams global" and others. r229622 brought cyclic dependencies between Analysis and Vector.

2015-02-18 08:34:47 +00:00

LoopInfo.cpp

[PM] Port LoopInfo to the new pass manager, adding both a LoopAnalysis

2015-01-20 10:58:50 +00:00

LoopPass.cpp

[PM] Split the LoopInfo object apart from the legacy pass, creating

2015-01-17 14:16:18 +00:00

Makefile

…

MemDepPrinter.cpp

MemDepPrinter: cleanup a few loops (NFC)

2015-02-09 19:49:54 +00:00

MemDerefPrinter.cpp

MemDerefPrinter: Require DataLayoutPass for higher accuracy

2015-02-09 21:50:03 +00:00

MemoryBuiltins.cpp

[PM] Move TargetLibraryInfo into the Analysis library.

2015-01-15 02:16:27 +00:00

MemoryDependenceAnalysis.cpp

Revert 229175

2015-02-15 19:07:31 +00:00

ModuleDebugInfoPrinter.cpp

…

NoAliasAnalysis.cpp

…

PHITransAddr.cpp

[PM] Split the AssumptionTracker immutable pass into two separate APIs:

2015-01-04 12:03:27 +00:00

PostDominators.cpp

…

PtrUseVisitor.cpp

Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>

2014-11-19 07:49:26 +00:00

README.txt

…

RegionInfo.cpp

[cleanup] Re-sort all the #include lines in LLVM using

2015-01-14 11:23:27 +00:00

RegionPass.cpp

[cleanup] Re-sort all the #include lines in LLVM using

2015-01-14 11:23:27 +00:00

RegionPrinter.cpp

…

ScalarEvolution.cpp

Address post commit review on r229600.

2015-02-18 08:03:22 +00:00

ScalarEvolutionAliasAnalysis.cpp

…

ScalarEvolutionExpander.cpp

[PM] Split the AssumptionTracker immutable pass into two separate APIs:

2015-01-04 12:03:27 +00:00

ScalarEvolutionNormalization.cpp

…

ScopedNoAliasAA.cpp

[cleanup] Re-sort all the #include lines in LLVM using

2015-01-14 11:23:27 +00:00

SparsePropagation.cpp

…

StratifiedSets.h

Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>

2014-11-19 07:49:26 +00:00

TargetLibraryInfo.cpp

[PM] Rework how the TargetLibraryInfo pass integrates with the new pass

2015-01-24 02:06:09 +00:00

TargetTransformInfo.cpp

Value soft float calls as more expensive in the inliner.

2015-02-05 02:09:33 +00:00

Trace.cpp

…

TypeBasedAliasAnalysis.cpp

Correctly combine alias.scope metadata by a union instead of intersecting

2015-02-08 17:07:14 +00:00

ValueTracking.cpp

ValueTracking: Make isBytewiseValue simpler and more powerful at the same time.

2015-02-07 19:29:02 +00:00

README.txt

Analysis Opportunities:

//===---------------------------------------------------------------------===//

In test/Transforms/LoopStrengthReduce/quadradic-exit-value.ll, the
ScalarEvolution expression for %r is this:

  {1,+,3,+,2}<loop>

Outside the loop, this could be evaluated simply as (%n * %n), however
ScalarEvolution currently evaluates it as

  (-2 + (2 * (trunc i65 (((zext i64 (-2 + %n) to i65) * (zext i64 (-1 + %n) to i65)) /u 2) to i64)) + (3 * %n))

In addition to being much more complicated, it involves i65 arithmetic,
which is very inefficient when expanded into code.

//===---------------------------------------------------------------------===//

In formatValue in test/CodeGen/X86/lsr-delayed-fold.ll,

ScalarEvolution is forming this expression:

((trunc i64 (-1 * %arg5) to i32) + (trunc i64 %arg5 to i32) + (-1 * (trunc i64 undef to i32)))

This could be folded to

(-1 * (trunc i64 undef to i32))

//===---------------------------------------------------------------------===//