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from 401e29e8b78 Make llvm.objectsize more conservative with null new 1897a62c2ef Use StringRef instead of `const char *`. new c6da6867a1d llvm: Add support for "-fno-delete-null-pointer-checks" new b737b070e3e [WebAssembly] Support for binary atomic RMW instructions

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Summary of changes: docs/LangRef.rst | 8 + include/llvm/Analysis/BasicAliasAnalysis.h | 21 +- include/llvm/DebugInfo/DWARF/DWARFDebugPubTable.h | 2 +- include/llvm/IR/CallSite.h | 3 +- include/llvm/IR/Function.h | 13 + lib/Analysis/BasicAliasAnalysis.cpp | 37 +- lib/Analysis/ConstantFolding.cpp | 15 +- lib/Analysis/InlineCost.cpp | 5 + lib/Analysis/InstructionSimplify.cpp | 7 +- lib/Analysis/LazyValueInfo.cpp | 14 +- lib/Analysis/LoopAccessAnalysis.cpp | 28 +- lib/Analysis/ValueTracking.cpp | 7 +- lib/DebugInfo/DWARF/DWARFDebugPubTable.cpp | 2 +- lib/IR/ConstantFold.cpp | 12 +- lib/IR/Function.cpp | 19 +- .../MCTargetDesc/WebAssemblyMCTargetDesc.h | 84 ++ lib/Target/WebAssembly/WebAssemblyInstrAtomics.td | 324 +++++++- .../WebAssembly/WebAssemblySetP2AlignOperands.cpp | 42 + lib/Transforms/IPO/GlobalOpt.cpp | 19 +- lib/Transforms/InstCombine/InstCombineCalls.cpp | 4 +- .../InstCombine/InstCombineLoadStoreAlloca.cpp | 17 +- lib/Transforms/Scalar/DeadStoreElimination.cpp | 26 +- lib/Transforms/Scalar/SCCP.cpp | 8 +- lib/Transforms/Utils/Local.cpp | 11 +- lib/Transforms/Utils/SimplifyCFG.cpp | 9 +- test/Analysis/MemorySSA/cyclicphi.ll | 32 + test/CodeGen/WebAssembly/atomic-rmw.ll | 857 +++++++++++++++++++++ test/CodeGen/WebAssembly/offset-atomics.ll | 417 ++++++++++ .../CorrelatedValuePropagation/non-null.ll | 67 ++ test/Transforms/FunctionAttrs/nonnull.ll | 9 + .../PRE/2018-06-08-pre-load-dbgloc-no-null-opt.ll | 82 ++ .../GlobalOpt/MallocSROA-section-no-null-opt.ll | 34 + .../{heap-sra-1.ll => heap-sra-1-no-null-opt.ll} | 20 +- test/Transforms/GlobalOpt/heap-sra-1.ll | 7 + .../{heap-sra-2.ll => heap-sra-2-no-null-opt.ll} | 11 +- test/Transforms/GlobalOpt/heap-sra-2.ll | 7 + .../{heap-sra-3.ll => heap-sra-3-no-null-opt.ll} | 22 +- test/Transforms/GlobalOpt/heap-sra-3.ll | 7 + .../{heap-sra-4.ll => heap-sra-4-no-null-opt.ll} | 25 +- test/Transforms/GlobalOpt/heap-sra-4.ll | 8 + ...heap-sra-phi.ll => heap-sra-phi-no-null-opt.ll} | 22 +- test/Transforms/GlobalOpt/heap-sra-phi.ll | 8 + .../GlobalOpt/load-store-global-no-null-opt.ll | 28 + ...romote-1.ll => malloc-promote-1-no-null-opt.ll} | 15 +- test/Transforms/GlobalOpt/malloc-promote-1.ll | 10 +- ...romote-2.ll => malloc-promote-2-no-null-opt.ll} | 11 +- test/Transforms/GlobalOpt/malloc-promote-2.ll | 8 + .../GlobalOpt/storepointer-compare-no-null-opt.ll | 40 + .../GlobalOpt/storepointer-no-null-opt.ll | 27 + test/Transforms/IPConstantProp/PR26044.ll | 31 + test/Transforms/Inline/attributes.ll | 44 ++ test/Transforms/InstCombine/atomic.ll | 44 ++ test/Transforms/InstCombine/invariant.group.ll | 15 + test/Transforms/InstCombine/invoke.ll | 21 + .../Transforms/InstCombine/lifetime-no-null-opt.ll | 94 +++ test/Transforms/InstCombine/load.ll | 10 + test/Transforms/InstCombine/memcpy-addrspace.ll | 40 + test/Transforms/InstCombine/memcpy-from-global.ll | 22 + test/Transforms/InstCombine/select.ll | 25 + test/Transforms/InstCombine/store.ll | 11 + test/Transforms/InstCombine/strcpy_chk-64.ll | 13 + test/Transforms/InstCombine/strlen-1.ll | 25 + test/Transforms/InstCombine/wcslen-1.ll | 28 + test/Transforms/InstSimplify/compare.ll | 83 ++ test/Transforms/LoopIdiom/pr28196.ll | 27 + test/Transforms/LoopVersioning/lcssa.ll | 37 + .../Transforms/SimplifyCFG/UnreachableEliminate.ll | 59 ++ test/Transforms/SimplifyCFG/invoke.ll | 23 + test/Transforms/SimplifyCFG/phi-undef-loadstore.ll | 124 +++ .../SimplifyCFG/trap-no-null-opt-debugloc.ll | 24 + .../SimplifyCFG/trapping-load-unreachable.ll | 40 +- unittests/Analysis/AliasAnalysisTest.cpp | 2 +- unittests/Analysis/MemorySSA.cpp | 2 +- 73 files changed, 3214 insertions(+), 141 deletions(-) create mode 100644 test/CodeGen/WebAssembly/atomic-rmw.ll create mode 100644 test/Transforms/GVN/PRE/2018-06-08-pre-load-dbgloc-no-null-opt.ll create mode 100644 test/Transforms/GlobalOpt/MallocSROA-section-no-null-opt.ll copy test/Transforms/GlobalOpt/{heap-sra-1.ll => heap-sra-1-no-null-opt.ll} (70%) copy test/Transforms/GlobalOpt/{heap-sra-2.ll => heap-sra-2-no-null-opt.ll} (86%) copy test/Transforms/GlobalOpt/{heap-sra-3.ll => heap-sra-3-no-null-opt.ll} (65%) copy test/Transforms/GlobalOpt/{heap-sra-4.ll => heap-sra-4-no-null-opt.ll} (63%) copy test/Transforms/GlobalOpt/{heap-sra-phi.ll => heap-sra-phi-no-null-opt.ll} (77%) create mode 100644 test/Transforms/GlobalOpt/load-store-global-no-null-opt.ll copy test/Transforms/GlobalOpt/{malloc-promote-1.ll => malloc-promote-1-no-null-op [...] copy test/Transforms/GlobalOpt/{malloc-promote-2.ll => malloc-promote-2-no-null-op [...] create mode 100644 test/Transforms/GlobalOpt/storepointer-compare-no-null-opt.ll create mode 100644 test/Transforms/GlobalOpt/storepointer-no-null-opt.ll create mode 100644 test/Transforms/InstCombine/lifetime-no-null-opt.ll create mode 100644 test/Transforms/SimplifyCFG/trap-no-null-opt-debugloc.ll