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llvm-6502/include/llvm/Analysis
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Hal Finkel cd9acde7f3 Use AA in LoadCombine 
LoadCombine can be smarter about aborting when a writing instruction is
encountered, instead of aborting upon encountering any writing instruction, use
an AliasSetTracker, and only abort when encountering some write that might
alias with the loads that could potentially be combined.

This was originally motivated by comments made (and a test case provided) by
David Majnemer in response to PR21448. It turned out that LoadCombine was not
responsible for that PR, but LoadCombine should also be improved so that
unrelated stores (and @llvm.assume) don't interrupt load combining.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221203 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-03 23:19:16 +00:00
..
AliasAnalysis.h Make AAMDNodes ctor and operator bool (!!!) explicit, mop up bugs and weirdness exposed by it. 2014-10-04 22:44:29 +00:00
AliasSetTracker.h Use AA in LoadCombine 2014-11-03 23:19:16 +00:00
AssumptionTracker.h AssumptionTracker: Don't create temporary CallbackVHs. 2014-10-11 19:13:01 +00:00
BlockFrequencyInfo.h blockfreq: Remove unnecessary template parameters 2014-04-11 23:21:02 +00:00
BlockFrequencyInfoImpl.h Fix typo in comment 2014-10-08 23:30:45 +00:00
BranchProbabilityInfo.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
CallGraph.h Remove Support/IncludeFile.h and its only user. This is actively harmful, since 2014-08-07 20:41:17 +00:00
CallGraphSCCPass.h [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-05 07:30:04 +00:00
CallPrinter.h Added -view-callgraph module pass. 2013-01-11 17:28:14 +00:00
CaptureTracking.h Match semantics of PointerMayBeCapturedBefore to its name by default 2014-07-21 21:30:22 +00:00
CFG.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
CFGPrinter.h Tweak CFGPrinter to wrap very long names. 2014-08-20 17:38:12 +00:00
CGSCCPassManager.h Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
CodeMetrics.h Add functions for finding ephemeral values 2014-09-07 13:49:57 +00:00
ConstantFolding.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-14 00:51:57 +00:00
ConstantsScanner.h [Modules] Move InstIterator out of the Support library, where it had no 2014-03-04 10:30:26 +00:00
DependenceAnalysis.h Revert "Analysis: unique_ptr-ify DependenceAnalysis::collectCoeffInfo" 2014-08-26 02:03:38 +00:00
DominanceFrontier.h These functions are not actually defined for NDEBUG or !LLVM_DUMP_ENABLED, so guarding the declarations as well. NFC, silences MSVC warnings in release builds. 2014-10-24 15:16:39 +00:00
DominanceFrontierImpl.h Reduce double set lookups. NFC. 2014-10-10 15:32:50 +00:00
DomPrinter.h
DOTGraphTraitsPass.h Modernize raw_fd_ostream's constructor a bit. 2014-08-25 18:16:47 +00:00
FindUsedTypes.h [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-05 07:30:04 +00:00
FunctionTargetTransformInfo.h Add a new pass FunctionTargetTransformInfo. This pass serves as a 2014-09-18 00:34:14 +00:00
InlineCost.h Add functions for finding ephemeral values 2014-09-07 13:49:57 +00:00
InstructionSimplify.h Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.) 2014-09-07 18:57:58 +00:00
Interval.h Remove copy ctors that did the same thing as the default one. 2014-03-11 11:32:49 +00:00
IntervalIterator.h Reduce double set lookups. NFC. 2014-10-10 15:32:50 +00:00
IntervalPartition.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
IVUsers.h Repace SmallPtrSet with SmallPtrSetImpl in function arguments to avoid needing to mention the size. 2014-08-21 05:55:13 +00:00
JumpInstrTableInfo.h Add a new attribute called 'jumptable' that creates jump-instruction tables for functions marked with this attribute. 2014-06-05 19:29:43 +00:00
LazyCallGraph.h Fix typos in comments, NFC 2014-08-29 21:53:01 +00:00
LazyValueInfo.h Make use of @llvm.assume from LazyValueInfo 2014-09-07 20:29:59 +00:00
LibCallAliasAnalysis.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
LibCallSemantics.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
Lint.h
Loads.h AA metadata refactoring (introduce AAMDNodes) 2014-07-24 12:16:19 +00:00
LoopInfo.h Add optimization remarks to the loop unroller and vectorizer. 2014-04-29 14:27:31 +00:00
LoopInfoImpl.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-14 00:51:57 +00:00
LoopIterator.h Remove unneeded #includes. 2013-02-09 13:29:10 +00:00
LoopPass.h Fix assertion in LICM doFinalization() 2014-09-24 16:48:31 +00:00
MemoryBuiltins.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
MemoryDependenceAnalysis.h Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.) 2014-09-07 18:57:58 +00:00
Passes.h Add a CFL Alias Analysis implementation 2014-09-02 21:43:13 +00:00
PHITransAddr.h Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.) 2014-09-07 18:57:58 +00:00
PostDominators.h Fix typos in comments, NFC 2014-08-29 21:53:01 +00:00
PtrUseVisitor.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
RegionInfo.h These functions are not actually defined for NDEBUG or !LLVM_DUMP_ENABLED, so guarding the declarations as well. NFC, silences MSVC warnings in release builds. 2014-10-24 15:16:39 +00:00
RegionInfoImpl.h Header hygiene: remove using directive and #undef DEBUG_TYPE once we're done. 2014-07-30 00:25:24 +00:00
RegionIterator.h Templatify RegionInfo so it works on MachineBasicBlocks 2014-07-19 18:29:29 +00:00
RegionPass.h [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-05 07:30:04 +00:00
RegionPrinter.h
ScalarEvolution.h [ScalarEvolution] Guard dump() with #if 2014-10-27 21:14:41 +00:00
ScalarEvolutionExpander.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
ScalarEvolutionExpressions.h removed circular definitions in comments 2014-07-14 21:51:59 +00:00
ScalarEvolutionNormalization.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
SparsePropagation.h [C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr. 2014-04-15 04:59:12 +00:00
TargetFolder.h Add CreatePointerBitCastOrAddrSpaceCast to IRBuilder and co. 2014-07-14 17:24:35 +00:00
TargetTransformInfo.h Add a new pass FunctionTargetTransformInfo. This pass serves as a 2014-09-18 00:34:14 +00:00
Trace.h Fix include guards so they exactly match file names. 2013-01-10 00:45:19 +00:00
ValueTracking.h Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.) 2014-09-07 18:57:58 +00:00