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d382d6f3fc
llvm-mirror/lib/Transforms/Utils
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Konstantin Zhuravlyov d382d6f3fc Enhance synchscope representation 
OpenCL 2.0 introduces the notion of memory scopes in atomic operations to
  global and local memory. These scopes restrict how synchronization is
  achieved, which can result in improved performance.

  This change extends existing notion of synchronization scopes in LLVM to
  support arbitrary scopes expressed as target-specific strings, in addition to
  the already defined scopes (single thread, system).

  The LLVM IR and MIR syntax for expressing synchronization scopes has changed
  to use *syncscope("<scope>")*, where <scope> can be "singlethread" (this
  replaces *singlethread* keyword), or a target-specific name. As before, if
  the scope is not specified, it defaults to CrossThread/System scope.

  Implementation details:
    - Mapping from synchronization scope name/string to synchronization scope id
      is stored in LLVM context;
    - CrossThread/System and SingleThread scopes are pre-defined to efficiently
      check for known scopes without comparing strings;
    - Synchronization scope names are stored in SYNC_SCOPE_NAMES_BLOCK in
      the bitcode.

Differential Revision: https://reviews.llvm.org/D21723

llvm-svn: 307722
2017-07-11 22:23:00 +00:00
..
AddDiscriminators.cpp [AddDiscriminators] Assign discriminators to MemIntrinsic calls. 2017-04-11 19:07:30 +00:00
ASanStackFrameLayout.cpp [asan] Replace std::to_string with llvm::to_string 2016-10-19 00:16:56 +00:00
BasicBlockUtils.cpp Rename WeakVH to WeakTrackingVH; NFC 2017-05-01 17:07:49 +00:00
BreakCriticalEdges.cpp [PM] Port BreakCriticalEdges to the new PM. 2016-07-22 18:04:25 +00:00
BuildLibCalls.cpp Add argmononly attribute to strlen and wcslen, i.e. they only read memory (string) passed to them. 2017-06-18 03:10:26 +00:00
BypassSlowDivision.cpp [KnownBits] Add bit counting methods to KnownBits struct and use them where possible 2017-05-12 17:20:30 +00:00
CloneFunction.cpp [cloning] Do not duplicate types when cloning functions 2017-07-07 18:24:20 +00:00
CloneModule.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
CMakeLists.txt Add a dominanance check interface that uses caching for instructions within same basic block. 2017-06-06 02:34:41 +00:00
CmpInstAnalysis.cpp [Constants] If we already have a ConstantInt*, prefer to use isZero/isOne/isMinusOne instead of isNullValue/isOneValue/isAllOnesValue inherited from Constant. NFCI 2017-07-06 18:39:47 +00:00
CodeExtractor.cpp [CodeExtractor] Remove unneded and commented out debugging stmts. 2017-07-02 00:07:18 +00:00
CtorUtils.cpp [CtorUtils] Modernize. No functional changes intended. 2016-10-22 01:21:24 +00:00
DemoteRegToStack.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
EscapeEnumerator.cpp Suppress all uses of LLVM_END_WITH_NULL. NFC. 2017-05-09 19:31:13 +00:00
Evaluator.cpp [Constants] If we already have a ConstantInt*, prefer to use isZero/isOne/isMinusOne instead of isNullValue/isOneValue/isAllOnesValue inherited from Constant. NFCI 2017-07-06 18:39:47 +00:00
FlattenCFG.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
FunctionComparator.cpp Enhance synchscope representation 2017-07-11 22:23:00 +00:00
FunctionImportUtils.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
GlobalStatus.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ImportedFunctionsInliningStatistics.cpp [ThinLTO] Correct counting of functions in inliner stats 2017-03-24 17:59:06 +00:00
InlineFunction.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
InstructionNamer.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
IntegerDivision.cpp
LCSSA.cpp [LCSSA] Don't insert tokens into the worklist at all. 2017-04-17 14:32:05 +00:00
LibCallsShrinkWrap.cpp [LibCallsShrinkWrap] Remove an unnecessary class member variable. 2017-04-26 21:28:40 +00:00
LLVMBuild.txt
Local.cpp [ConstantHoisting] Remove dupliate logic in constant hoisting 2017-07-10 20:45:34 +00:00
LoopSimplify.cpp [LoopSimplify] Re-instate r306081 with a bug fix w.r.t. indirectbr. 2017-06-25 22:45:31 +00:00
LoopUnroll.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
LoopUnrollPeel.cpp [LoopPeeling] Get rid of Phis that become invariant after N steps 2017-04-17 09:52:02 +00:00
LoopUnrollRuntime.cpp [LoopUnrollRuntime] NFC: Add some debugging trace messages for why loop wasn't unrolled. 2017-07-11 20:44:37 +00:00
LoopUtils.cpp [LV] Sink casts to unravel first order recurrence 2017-06-30 21:05:06 +00:00
LoopVersioning.cpp [LoopVersioning] Require loop-simplify form for loop versioning. 2016-12-19 17:13:37 +00:00
LowerInvoke.cpp [PM] Port LowerInvoke to the new pass manager 2016-08-12 17:28:27 +00:00
LowerMemIntrinsics.cpp Extend memcpy expansion in Transform/Utils to handle wider operand types. 2017-07-07 02:00:06 +00:00
LowerSwitch.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
Mem2Reg.cpp [Mem2Reg] Remove AliasSetTracker updating logic from the pass. 2017-04-09 20:47:14 +00:00
MetaRenamer.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ModuleUtils.cpp Suppress all uses of LLVM_END_WITH_NULL. NFC. 2017-05-09 19:31:13 +00:00
NameAnonGlobals.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
OrderedInstructions.cpp Remove unneeded else from OrderedInstructions::dominates. 2017-06-29 17:01:03 +00:00
PredicateInfo.cpp Remove useless header. NFC 2017-06-29 17:48:12 +00:00
PromoteMemoryToRegister.cpp Kill off the old SimplifyInstruction API by converting remaining users. 2017-04-28 19:55:38 +00:00
SanitizerStats.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
SimplifyCFG.cpp [SimplifyCFG] Move a portion of an if statement that should already be implied to an assert 2017-07-06 16:29:43 +00:00
SimplifyIndVar.cpp Re-enable "[IndVars] Canonicalize comparisons between non-negative values and indvars" 2017-07-08 17:17:30 +00:00
SimplifyInstructions.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
SimplifyLibCalls.cpp [Constants] If we already have a ConstantInt*, prefer to use isZero/isOne/isMinusOne instead of isNullValue/isOneValue/isAllOnesValue inherited from Constant. NFCI 2017-07-06 18:39:47 +00:00
SplitModule.cpp Move instances of std::function. 2016-06-12 16:13:55 +00:00
SSAUpdater.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
StripGCRelocates.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
StripNonLineTableDebugInfo.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
SymbolRewriter.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
UnifyFunctionExitNodes.cpp Apply clang-tidy's modernize-loop-convert to most of lib/Transforms. 2016-06-26 12:28:59 +00:00
Utils.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ValueMapper.cpp Suppress all uses of LLVM_END_WITH_NULL. NFC. 2017-05-09 19:31:13 +00:00
VNCoercion.cpp [IR] Make use of Type::isPtrOrPtrVectorTy/isIntOrIntVectorTy/isFPOrFPVectorTy to shorten code. NFC 2017-07-09 07:04:00 +00:00