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Elena Demikhovsky 73ae1df82c Masked Load / Store Intrinsics - the CodeGen part. 
I'm recommiting the codegen part of the patch.
The vectorizer part will be send to review again.

Masked Vector Load and Store Intrinsics.
Introduced new target-independent intrinsics in order to support masked vector loads and stores. The loop vectorizer optimizes loops containing conditional memory accesses by generating these intrinsics for existing targets AVX2 and AVX-512. The vectorizer asks the target about availability of masked vector loads and stores.
Added SDNodes for masked operations and lowering patterns for X86 code generator.
Examples:
<16 x i32> @llvm.masked.load.v16i32(i8* %addr, <16 x i32> %passthru, i32 4 /* align */, <16 x i1> %mask)
declare void @llvm.masked.store.v8f64(i8* %addr, <8 x double> %value, i32 4, <8 x i1> %mask)

Scalarizer for other targets (not AVX2/AVX-512) will be done in a separate patch.

http://reviews.llvm.org/D6191



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223348 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-04 09:40:44 +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 AliasSetTracker: UnknownInsts should contribute to the refcount 2014-11-19 09:41:05 +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 [stack protector] Set edge weights for newly created basic blocks. 2014-12-01 04:27:03 +00:00
CallGraph.h Fix GraphTraits for "const CallGraphNode *" and "const CallGraph *" 2014-11-17 17:51:45 +00:00
CallGraphSCCPass.h
CallPrinter.h
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
DependenceAnalysis.h [DependenceAnalysis] Allow subscripts of different types 2014-11-16 16:52:44 +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 Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool> 2014-11-19 07:49:26 +00:00
DomPrinter.h
DOTGraphTraitsPass.h Modernize raw_fd_ostream's constructor a bit. 2014-08-25 18:16:47 +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
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 Forward Control-Flow Integrity. 2014-11-11 21:08:02 +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
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 back r222061 with a fix. 2014-11-17 02:28:27 +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
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 Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool> 2014-11-19 07:49:26 +00:00
ScalarEvolutionNormalization.h
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 Masked Load / Store Intrinsics - the CodeGen part. 2014-12-04 09:40:44 +00:00
Trace.h
ValueTracking.h Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.) 2014-09-07 18:57:58 +00:00