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165466. By teemperor on 2018-06-12

Added missing include to AMDHSAKernelDescriptor.h

We use size_t in this header, so we also need to include
cstddef to make it compile. Fixes the module builds.

165465. By kparzysz on 2018-06-12

[DAGCombiner] Recognize more patterns for ABS

Differential Revision: https://reviews.llvm.org/D47831

165464. By ctopper on 2018-06-12

[X86] add avx512 tests for potentially miscompiling cvttp2si/cvttp2ui (PR37751).

165463. By rnk on 2018-06-12

Remove malloc.h include from Intel JIT events code

165462. By rnk on 2018-06-12

Add null check to Intel JIT event listener

165461. By rnk on 2018-06-12

Fix how LLVMOPTIONALCOMPONENTS is passed to llvm-build

Patch by Force.Charlie-I

If LLVM_USE_INTEL_JITEVENTS and LLVM_USE_OPROFILE not set,
"${LLVMOPTIONALCOMPONENTS}" is empty, but
**--enable-optional-components** need arg, Cause
**--write-library-table** to be skipped parsed.

Differential Revision: https://reviews.llvm.org/D47982

165460. By lhames on 2018-06-12

[ORC] Add a fallback definition generator for VSOs.

If a VSO has a fallback definition generator attached it will be called during
lookup (and lookupFlags) for any unresolved symbols. The definition generator
can add new definitions to the VSO for any unresolved symbol. This allows VSOs
to generate new definitions on demand.

The immediate use case for this code is supporting VSOs that can import
definitions found via dlsym on demand.

165459. By lhames on 2018-06-12

[ORC] Refactor blocking lookup logic into the blockingLookup function, and
implement existing blocking lookups (the lookup function) and
JITSymbolResolverAdapter on top of that.

165458. By lhames on 2018-06-12

[RuntimeDyld] Add an assert to catch misbehaving symbol resolvers.

Resolvers are required to find results for all requested symbols or return an
error, but if a resolver fails to adhere to this contract (by returning results
for only a subset of the requested symbols) then this code will infinite loop.
This assertion catches resolvers that fail to adhere to the contract.

165457. By lhames on 2018-06-12

[MCJIT] Call materializeAll on modules before compiling them in MCJIT.

This only affects modules with lazy GVMaterializers attached (usually modules
read off disk using the lazy bitcode reader). For such modules, materializing
before compiling prevents crashes due to missing function bodies /
initializers.