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2012-08-21Merge up to r162331, git commit bc363931085587bac42a40653962a3e5acd1ffceDerek Schuff
2012-08-03Move the "findUsedStructTypes" functionality outside of the Module class.Bill Wendling
The "findUsedStructTypes" method is very expensive to run. It needs to be optimized so that LTO can run faster. Splitting this method out of the Module class will help this occur. For instance, it can keep a list of seen objects so that it doesn't process them over and over again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161228 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-09LOCALMODs from hg 0b098ca44de7 against r158408 (hg 90a87d6bfe45)Derek Schuff
(only non-new files; new files in git 4f429c8b) Change-Id: Ia39f818088485bd90e4d048db404f8d6ba5f836b
2012-05-16I noticed that named metadata doesn't provide a direct way of getting at theDuncan Sands
named metadata list, unlike all the other global objects (global variables, functions, aliases), so add that for consistency. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156915 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-21Add a flag to the struct type finder to collect only those types which haveBill Wendling
names. This saves collecting types we normally don't care about. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155300 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-20Revert r155241, which is causing some breakage.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155253 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-20If we discover all of the named structs in a module, then don't bother toBill Wendling
process any more Values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155241 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-06DenseMap: Perform the pod-like object optimization when the value type is ↵Benjamin Kramer
POD-like, not the DenseMapInfo for it. Purge now unused template arguments. This has been broken since r91421. Patch by Lubos Lunak! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154170 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-16s/ModAttrBehavior/ModFlagBehavior/g to be consistent with how module flags ↵Bill Wendling
are named elsewhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150679 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Use the enum instead of 'unsigned'.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150632 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15Add a module flags accessor method which returns the flags in a vector.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150623 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11[WIP] Initial code for module flags.Bill Wendling
Module flags are key-value pairs associated with the module. They include a 'behavior' value, indicating how module flags react when mergine two files. Normally, it's just the union of the two module flags. But if two module flags have the same key, then the resulting flags are dictated by the behaviors. Allowable behaviors are: Error Emits an error if two values disagree. Warning Emits a warning if two values disagree. Require Emits an error when the specified value is not present or doesn't have the specified value. It is an error for two (or more) llvm.module.flags with the same ID to have the Require behavior but different values. There may be multiple Require flags per ID. Override Uses the specified value if the two values disagree. It is an error for two (or more) llvm.module.flags with the same ID to have the Override behavior but different values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150300 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-13Remove the last improper use of getGlobalContext() from LLVM.Nick Lewycky
This caused a race condition where a thread calls ~LLVMContextImpl which calls Module::dropAllReferences which calls begin() on an empty ilist that would create the sentinel, which racily accesses the global context. This can not be fixed by locking inside createSentinel because the lock would need to be shared with all users of the global context, including those that reside outside LLVM's own code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137546 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18land David Blaikie's patch to de-constify Type, with a few tweaks.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09Land the long talked about "type system rewrite" patch. ThisChris Lattner
patch brings numerous advantages to LLVM. One way to look at it is through diffstat: 109 files changed, 3005 insertions(+), 5906 deletions(-) Removing almost 3K lines of code is a good thing. Other advantages include: 1. Value::getType() is a simple load that can be CSE'd, not a mutating union-find operation. 2. Types a uniqued and never move once created, defining away PATypeHolder. 3. Structs can be "named" now, and their name is part of the identity that uniques them. This means that the compiler doesn't merge them structurally which makes the IR much less confusing. 4. Now that there is no way to get a cycle in a type graph without a named struct type, "upreferences" go away. 5. Type refinement is completely gone, which should make LTO much MUCH faster in some common cases with C++ code. 6. Types are now generally immutable, so we can use "Type *" instead "const Type *" everywhere. Downsides of this patch are that it removes some functions from the C API, so people using those will have to upgrade to (not yet added) new API. "LLVM 3.0" is the right time to do this. There are still some cleanups pending after this, this patch is large enough as-is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-06Fix typo in doxy-comment.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129028 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-02Add a special streamer to libLTO that just records symbols definitions andRafael Espindola
uses. The result produced by the streamer is used to give the linker more accurate information and to add to llvm.compiler.used. The second improvement removes the need for the user to add __attribute__((used)) to functions only used in inline asm. The first one lets us build firefox with LTO on Darwin :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126830 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-29Merge System into Support.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120298 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-22Warnings patrol.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109174 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Make NamedMDNode not be a subclass of Value, and simplify the interfaceDan Gohman
for creating and populating NamedMDNodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109061 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-21Delete an obsolete comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109017 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-2580-column and trailing whitespace cleanupJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-22Use single interface, using twine, to get named metadata.Devang Patel
getNamedMetadata(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106518 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-16Use separate named MDNode to hold each function's local variable info.Devang Patel
This speeds up local variable handling in DwarfDebug. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106075 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-27Kill ModuleProvider and ghost linkage by inverting the relationship betweenJeffrey Yasskin
Modules and ModuleProviders. Because the "ModuleProvider" simply materializes GlobalValues now, and doesn't provide modules, it's renamed to "GVMaterializer". Code that used to need a ModuleProvider to materialize Functions can now materialize the Functions directly. Functions no longer use a magic linkage to record that they're materializable; they simply ask the GVMaterializer. Because the C ABI must never change, we can't remove LLVMModuleProviderRef or the functions that refer to it. Instead, because Module now exposes the same functionality ModuleProvider used to, we store a Module* in any LLVMModuleProviderRef and translate in the wrapper methods. The bindings to other languages still use the ModuleProvider concept. It would probably be worth some time to update them to follow the C++ more closely, but I don't intend to do it. Fixes http://llvm.org/PR5737 and http://llvm.org/PR5735. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94686 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26Tweak the way appendModuleInlineAsm works, so you aren't obligedDuncan Sands
to append a newline when using setModuleInlineAsm in case later someone calls appendModuleInlineAsm - make newline handling fully automatic. In case anyone is wondering there is only one user of appendModuleInlineAsm: the dragonegg plugin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94539 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-12Use ilist_tratis to autoinsert and remove NamedMDNode from MDSymbolTable.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93247 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-07Use separate namespace for named metadata.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92931 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-29Final step in the metadata API restructuring: move the Chris Lattner
getMDKindID/getMDKindNames methods to LLVMContext (and add convenience methods to Module), eliminating MetadataContext. Move the state that it maintains out to LLVMContext. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92259 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-29just cleanup.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92258 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Pass StringRef by value.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86251 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Added a comment to a function that had noneKenneth Uildriks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85899 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26Move DataTypes.h to include/llvm/System, update all users. This breaks the lastChandler Carruth
direct inclusion edge from System to Support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85086 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23remove the std::ostream version of module and type printing.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79823 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Make LLVMContext and LLVMContextImpl classes instead of structs.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78690 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-10Align comments.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78605 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-04Factor some of the constants+context related code out into a separate ↵Owen Anderson
header, to make LLVMContextImpl.h not hideous. Also, fix some MSVC compile errors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78115 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-30Add getOrInsertNamedMetadata().Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77646 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29Keep track of named mdnodes in a Module using an ilist.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77476 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29Fix comment.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77457 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25Finish migrating VMCore to StringRef/Twine based APIs.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77051 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-01Make the use of const with respect to LLVMContext sane. Hopefully this is ↵Owen Anderson
the last time, for the moment, that I will need to make far-reaching changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74655 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-01Hold the LLVMContext by reference rather than by pointer.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74640 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-01Add a pointer to the owning LLVMContext to Module. This requires threading ↵Owen Anderson
LLVMContext through a lot of the bitcode reader and ASM parser APIs, as well as supporting it in all of the tools. Patches for Clang and LLVM-GCC to follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74614 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-27"ghostify" the ilist<Function> sentinelGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67872 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07simplify the way how traits get hold of the symbol tableGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66336 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07further simplifications arising from peruse of the more declarative interfaceGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66333 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-07Remove the burden of dealing with list offsetsGabor Greif
from SymbolTableListTraits' clients, and intead request a nice declarative interface. Cleans up an IMHO ugly wart. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66331 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-06Add Module::getNamedValue; use to normalize access to Module symbolDaniel Dunbar
table. - No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66289 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-03Fix a bunch of Doxygen syntax issues. Escape special characters,Dan Gohman
and put @file directives on their own comment line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65920 91177308-0d34-0410-b5e6-96231b3b80d8
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