Chandler Carruth f348c9782c Introduce an AnalysisManager which is like a pass manager but with a lot ... 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		2013-11-13 01:12:08 +00:00
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ADT	Add LLVM_HAS_INITIALIZER_LISTS for upcoming C++11 support. Use it in ArrayRef	2013-11-11 03:58:00 +00:00
Analysis	delinearization of arrays	2013-11-12 22:47:20 +00:00
Assembly	Enable *BasicBlockPass::createPrinterPass()	2013-02-08 23:37:41 +00:00
Bitcode	Add function attribute 'optnone'.	2013-08-23 11:53:55 +00:00
CodeGen	Replacing HUGE_VALF with llvm::huge_valf in order to work around a warning triggered in MSVC 12.	2013-11-13 00:15:44 +00:00
Config	Fix symbol defines in config.h.cmake	2013-11-05 07:27:18 +00:00
DebugInfo	DWARF parser: Use ArrayRef to represent form sizes and simplify DWARFDIE::extractFast() interface. No functionality change.	2013-10-28 23:41:49 +00:00
ExecutionEngine	Optimizing MCJIT module state tracking	2013-10-24 00:19:14 +00:00
IR	Introduce an AnalysisManager which is like a pass manager but with a lot	2013-11-13 01:12:08 +00:00
IRReader	Split out the IRReader header and the utility functions it provides into	2013-03-26 02:25:37 +00:00
LTO	Protect user-supplied runtime library functions in LTO	2013-11-12 21:44:01 +00:00
MC	Remove always true flag.	2013-11-12 23:27:08 +00:00
Object	move getSymbolNMTypeChar to the one program that needs it: nm.	2013-11-02 21:16:09 +00:00
Option	Option parsing: support case-insensitive option matching.	2013-08-28 20:04:31 +00:00
Support	Removing llvm::huge_vald and llvm::huge_vall because they are not currently used, and HUGE_VALD does not appear to be supported everywhere anyways.	2013-11-13 00:20:43 +00:00
TableGen	Speling fixes.	2013-10-22 15:18:03 +00:00
Target	Move the old pass manager infrastructure into a legacy namespace and	2013-11-09 12:26:54 +00:00
Transforms	Move the old pass manager infrastructure into a legacy namespace and	2013-11-09 12:26:54 +00:00
AutoUpgrade.h	AutoUpgrade: upgrade from scalar TBAA format to struct-path aware TBAA format.	2013-09-28 00:22:27 +00:00
CMakeLists.txt	Move all of the header files which are involved in modelling the LLVM IR	2013-01-02 11:36:10 +00:00
DebugInfo.h	Reformat.	2013-10-15 21:22:12 +00:00
DIBuilder.h	fix two typos.	2013-10-21 23:55:19 +00:00
GVMaterializer.h	Use error_code in GVMaterializer.	2013-11-05 19:36:34 +00:00
InitializePasses.h	delinearization of arrays	2013-11-12 22:47:20 +00:00
InstVisitor.h	Move all of the header files which are involved in modelling the LLVM IR	2013-01-02 11:36:10 +00:00
LinkAllIR.h	Rename LinkAllVMCore.h to LinkAllIR.h since VMCore directory was renamed to IR.	2013-01-10 21:55:02 +00:00
LinkAllPasses.h	Remove the very substantial, largely unmaintained legacy PGO	2013-10-02 15:42:23 +00:00
Linker.h	Add a 'deleteModule' method to the Linker class.	2013-10-16 08:59:57 +00:00
Pass.h	moves doInitialization and doFinalization to the Pass class and removes some unreachable code in MachineModuleInfo	2012-12-03 21:56:57 +00:00
PassAnalysisSupport.h	Fix include guards so they exactly match file names.	2013-01-10 00:45:19 +00:00
PassManager.h	Move the old pass manager infrastructure into a legacy namespace and	2013-11-09 12:26:54 +00:00
PassRegistry.h	This patch breaks up Wrap.h so that it does not have to include all of	2013-05-01 20:59:00 +00:00
PassSupport.h	Fix include guards so they exactly match file names.	2013-01-10 00:45:19 +00:00