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llvm-mirror/tools/lli
Lang Hames b6c9039962 [ORC] Update LLJIT to automatically run specially named initializer functions.
The GenericLLVMIRPlatformSupport class runs a transform on all LLVM IR added to
the LLJIT instance to replace instances of llvm.global_ctors with a specially
named function that runs the corresponing static initializers (See
(GlobalCtorDtorScraper from lib/ExecutionEngine/Orc/LLJIT.cpp). This patch
updates the GenericIRPlatform class to check for this specially named function
in other materialization units that are added to the JIT and, if found, add
the function to the initializer work queue. Doing this allows object files
that were compiled from IR and cached to be reloaded in subsequent JIT sessions
without their initializers being skipped.

To enable testing this patch also updates the lli tool's -jit-kind=orc-lazy mode
to respect the -enable-cache-manager and -object-cache-dir options, and modifies
the CompileOnDemandLayer to rename extracted submodules to include a hash of the
names of their symbol definitions. This allows a simple object caching scheme
based on module names (which was already implemented in lli) to work with the
lazy JIT.
2020-02-22 11:49:14 -08:00
..
ChildTarget [lli-child-target] Fix -DBUILD_SHARED_LIBS=on build 2019-10-29 22:46:13 -07:00
CMakeLists.txt
lli.cpp [ORC] Update LLJIT to automatically run specially named initializer functions. 2020-02-22 11:49:14 -08:00
LLVMBuild.txt
RemoteJITUtils.h