[PATCH] Scoped NoAlias Metadata

[hfinkel at anl.gov]

Updated to also preserve the metadata in the loop vectorizer.

http://reviews.llvm.org/D2194

Files:
  docs/LangRef.rst
  include/llvm-c/Transforms/Scalar.h
  include/llvm/Analysis/AliasAnalysis.h
  include/llvm/Analysis/AliasSetTracker.h
  include/llvm/Analysis/Loads.h
  include/llvm/Analysis/MemoryDependenceAnalysis.h
  include/llvm/Analysis/Passes.h
  include/llvm/CodeGen/MachineFunction.h
  include/llvm/CodeGen/MachineMemOperand.h
  include/llvm/CodeGen/SelectionDAG.h
  include/llvm/CodeGen/SelectionDAGNodes.h
  include/llvm/IR/IRBuilder.h
  include/llvm/IR/Instruction.h
  include/llvm/IR/LLVMContext.h
  include/llvm/IR/MDBuilder.h
  include/llvm/IR/Metadata.h
  include/llvm/InitializePasses.h
  include/llvm/LinkAllPasses.h
  lib/Analysis/AliasAnalysis.cpp
  lib/Analysis/AliasAnalysisEvaluator.cpp
  lib/Analysis/AliasSetTracker.cpp
  lib/Analysis/Analysis.cpp
  lib/Analysis/BasicAliasAnalysis.cpp
  lib/Analysis/CMakeLists.txt
  lib/Analysis/Loads.cpp
  lib/Analysis/MemoryDependenceAnalysis.cpp
  lib/Analysis/ScalarEvolutionAliasAnalysis.cpp
  lib/Analysis/ScopedNoAliasAA.cpp
  lib/Analysis/TypeBasedAliasAnalysis.cpp
  lib/CodeGen/MachineFunction.cpp
  lib/CodeGen/MachineInstr.cpp
  lib/CodeGen/Passes.cpp
  lib/CodeGen/ScheduleDAGInstrs.cpp
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/CodeGen/SelectionDAG/FastISel.cpp
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
  lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
  lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
  lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  lib/IR/IRBuilder.cpp
  lib/IR/LLVMContext.cpp
  lib/IR/MDBuilder.cpp
  lib/IR/Metadata.cpp
  lib/Target/ARM/ARMISelLowering.cpp
  lib/Target/Mips/MipsSEISelLowering.cpp
  lib/Target/SystemZ/SystemZISelDAGToDAG.cpp
  lib/Target/XCore/XCoreISelLowering.cpp
  lib/Transforms/IPO/ArgumentPromotion.cpp
  lib/Transforms/IPO/FunctionAttrs.cpp
  lib/Transforms/IPO/PassManagerBuilder.cpp
  lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
  lib/Transforms/ObjCARC/ObjCARCAliasAnalysis.cpp
  lib/Transforms/Scalar/GVN.cpp
  lib/Transforms/Scalar/JumpThreading.cpp
  lib/Transforms/Scalar/LICM.cpp
  lib/Transforms/Scalar/SROA.cpp
  lib/Transforms/Scalar/Scalar.cpp
  lib/Transforms/Scalar/ScalarReplAggregates.cpp
  lib/Transforms/Scalar/Scalarizer.cpp
  lib/Transforms/Utils/InlineFunction.cpp
  lib/Transforms/Vectorize/BBVectorize.cpp
  lib/Transforms/Vectorize/LoopVectorize.cpp
  lib/Transforms/Vectorize/SLPVectorizer.cpp
  test/Analysis/ScopedNoAliasAA/basic-hierarchy.ll
  test/Analysis/ScopedNoAliasAA/basic.ll
  test/Analysis/ScopedNoAliasAA/basic2.ll
  test/Analysis/TypeBasedAliasAnalysis/placement-tbaa.ll
  test/Analysis/TypeBasedAliasAnalysis/tbaa-path.ll
  test/Transforms/GVN/noalias.ll
  test/Transforms/Inline/noalias.ll
  test/Transforms/Inline/noalias2.ll
  unittests/Analysis/MixedTBAATest.cpp
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