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f348c9782c
more smarts in it. This is where most of the interesting logic that used to live in the implicit-scheduling-hackery of the old pass manager will live. Like the previous commits, note that this is a very early prototype! I expect substantial changes before this is ready to use. The core of the design is the following: - We have an AnalysisManager which can be used across a series of passes over a module. - The code setting up a pass pipeline registers the analyses available with the manager. - Individual transform passes can check than an analysis manager provides the analyses they require in order to fail-fast. - There is *no* implicit registration or scheduling. - Analysis passes are different from other passes: they produce an analysis result that is cached and made available via the analysis manager. - Cached results are invalidated automatically by the pass managers. - When a transform pass requests an analysis result, either the analysis is run to produce the result or a cached result is provided. There are a few aspects of this design that I *know* will change in subsequent commits: - Currently there is no "preservation" system, that needs to be added. - All of the analysis management should move up to the analysis library. - The analysis management needs to support at least SCC passes. Maybe loop passes. Living in the analysis library will facilitate this. - Need support for analyses which are *both* module and function passes. - Need support for pro-actively running module analyses to have cached results within a function pass manager. - Need a clear design for "immutable" passes. - Need support for requesting cached results when available and not re-running the pass even if that would be necessary. - Need more thorough testing of all of this infrastructure. There are other aspects that I view as open questions I'm hoping to resolve as I iterate a bit on the infrastructure, and especially as I start writing actual passes against this. - Should we have separate management layers for function, module, and SCC analyses? I think "yes", but I'm not yet ready to switch the code. Adding SCC support will likely resolve this definitively. - How should the 'require' functionality work? Should *that* be the only way to request results to ensure that passes always require things? - How should preservation work? - Probably some other things I'm forgetting. =] Look forward to more patches in shorter order now that this is in place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194538 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
966 B
CMake
53 lines
966 B
CMake
add_llvm_library(LLVMCore
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AsmWriter.cpp
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Attributes.cpp
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AutoUpgrade.cpp
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BasicBlock.cpp
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ConstantFold.cpp
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Constants.cpp
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Core.cpp
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DIBuilder.cpp
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DataLayout.cpp
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DebugInfo.cpp
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DebugLoc.cpp
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Dominators.cpp
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Function.cpp
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GCOV.cpp
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GVMaterializer.cpp
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Globals.cpp
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IRBuilder.cpp
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InlineAsm.cpp
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Instruction.cpp
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Instructions.cpp
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IntrinsicInst.cpp
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LLVMContext.cpp
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LLVMContextImpl.cpp
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LeakDetector.cpp
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LegacyPassManager.cpp
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Metadata.cpp
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Module.cpp
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Pass.cpp
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PassManager.cpp
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PassRegistry.cpp
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PrintModulePass.cpp
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Type.cpp
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TypeFinder.cpp
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Use.cpp
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User.cpp
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Value.cpp
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ValueSymbolTable.cpp
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ValueTypes.cpp
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Verifier.cpp
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)
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# Workaround: It takes over 20 minutes to compile with msvc10.
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# FIXME: Suppressing optimizations to core libraries would not be good thing.
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if( MSVC_VERSION LESS 1700 )
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set_property(
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SOURCE Function.cpp
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PROPERTY COMPILE_FLAGS "/Og-"
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)
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endif()
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add_dependencies(LLVMCore intrinsics_gen)
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