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* Removed trailing whitespace from Makefiles.Misha Brukman2009-01-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61991 91177308-0d34-0410-b5e6-96231b3b80d8
* Make comments and code for QuietWarnings and QuietErrorsDan Gohman2008-10-251-1/+1
| | | | | | | actually correspond to what their names suggest. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58146 91177308-0d34-0410-b5e6-96231b3b80d8
* Also properly handle linking of strong alias and weak globalAnton Korobeynikov2008-10-151-25/+39
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57595 91177308-0d34-0410-b5e6-96231b3b80d8
* Properly handle linking of strong alias with weak function, this fixes PR2883Anton Korobeynikov2008-10-151-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57594 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename isWeakForLinker to mayBeOverridden. Use itDuncan Sands2008-09-291-6/+6
| | | | | | | | instead of hasWeakLinkage in a bunch of optimization passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56782 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial support for the CMake build system.Oscar Fuentes2008-09-221-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56419 91177308-0d34-0410-b5e6-96231b3b80d8
* Make safer variant of alias resolution routine to be defaultAnton Korobeynikov2008-09-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56005 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix incorrect linker behaviour: we shouldn't resolve weak aliases.Anton Korobeynikov2008-09-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55997 91177308-0d34-0410-b5e6-96231b3b80d8
* Reimplement LinkFunctionProtos in terms of GetLinkageResult. This fixesChris Lattner2008-07-141-167/+102
| | | | | | | | | | | | | | | | | | | the second half of link-global-to-func.ll and causes some minor changes in messages. There are two TODOs here. First, this causes a regression in 2008-07-06-AliasWeakDest.ll, which is now failing (so I xfailed it). Anton, I would really appreciate it if you could take a look at this. It should be a matter of adding proper alias support to GetLinkageResult, and was probably already a latent bug that would manifest with globals. The second todo is to reimplement LinkAlias in the same pattern as function and global linking. This should be pretty straight-forward for someone who knows aliases, but isn't a requirement for correctness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53548 91177308-0d34-0410-b5e6-96231b3b80d8
* don't do any linkage, not even type resolution, of symbols that have Chris Lattner2008-07-141-6/+10
| | | | | | | internal linkage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53547 91177308-0d34-0410-b5e6-96231b3b80d8
* implement linking of globals to functions, in one directionChris Lattner2008-07-141-81/+75
| | | | | | | | | | | | (replacing a function with a global). This is needed when building llvm itself with LTO on darwin, because of the EXPLICIT_SYMBOL hack in lib/system/DynamicLibrary.cpp. Implementation of linking the other way will need to wait for a cleanup of LinkFunctionProtos. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53546 91177308-0d34-0410-b5e6-96231b3b80d8
* wrap long lines, remove some code from a non-assert build.Chris Lattner2008-07-141-5/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53545 91177308-0d34-0410-b5e6-96231b3b80d8
* The source and dest of an alias are *not* required to have the same type,Chris Lattner2008-07-101-9/+3
| | | | | | | though that would be nice and make sense :). Patch by Nathan Keynes! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53387 91177308-0d34-0410-b5e6-96231b3b80d8
* Make DenseMap's insert return a pair, to more closely resemble std::map.Dan Gohman2008-07-071-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53177 91177308-0d34-0410-b5e6-96231b3b80d8
* Add convenient helper for checking whether global is weak in linker senseAnton Korobeynikov2008-07-051-26/+11
| | | | | | having weak or linkonce or common or extweak LLVM linkage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53158 91177308-0d34-0410-b5e6-96231b3b80d8
* Override weak stuff during linking of aliases. This fixes PR2463.Anton Korobeynikov2008-07-051-8/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53156 91177308-0d34-0410-b5e6-96231b3b80d8
* Properly link alias and function decls. This fixes PR2146Anton Korobeynikov2008-07-051-8/+27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53154 91177308-0d34-0410-b5e6-96231b3b80d8
* when linking globals, make sure to preserve the address space of the global.Chris Lattner2008-06-271-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52810 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an error handling redefinition of linkonce functions where theChris Lattner2008-06-201-18/+14
| | | | | | | types differ. Patch by Nathan Keynes! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52527 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a missing ~ (dtor became ctor) which caused crashes on a bunch of stuff.Chris Lattner2008-06-161-2/+5
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* stop making PATypeHolder's so crazily.Chris Lattner2008-06-161-33/+33
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* use a real associative container for type association instead of usingChris Lattner2008-06-161-8/+94
| | | | | | | | a vector with a linear search. This speeds up the linking testcase in PR1860 from 0.965s to 0.385s on my system. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52357 91177308-0d34-0410-b5e6-96231b3b80d8
* bail out sooner if we have two concrete but different types.Chris Lattner2008-06-161-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52351 91177308-0d34-0410-b5e6-96231b3b80d8
* simplify some code.Chris Lattner2008-06-161-24/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52350 91177308-0d34-0410-b5e6-96231b3b80d8
* Apply a patch from Nathan Keynes, which speeds up llvm-link onChris Lattner2008-06-161-1/+0
| | | | | | | | the testcases in PR1860 from taking more than 1 hour (when I killed it) to taking 1s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52347 91177308-0d34-0410-b5e6-96231b3b80d8
* handle vectors. Any integers that got here would necessarily be different ↵Chris Lattner2008-06-161-8/+11
| | | | | | already. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52341 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify ResolveTypes by pulling the null case out into the one Chris Lattner2008-06-161-42/+30
| | | | | | | | | | | client that cares and simplifying its control flow. Remove the DestST argument to ResolveTypes and RecursiveResolveTypes* which are dead now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52340 91177308-0d34-0410-b5e6-96231b3b80d8
* simplify RecursiveResolveTypes and ResolveTypes by pulling the naming out ofChris Lattner2008-06-161-23/+20
| | | | | | | ResolveTypes into the one place that needs it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52338 91177308-0d34-0410-b5e6-96231b3b80d8
* use 'continue' to make the function linker simpler. When linking a strongChris Lattner2008-06-091-21/+37
| | | | | | | | function into a weak function, zap the weak function body so that the strong one overrides it. This fixes PR2410 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52135 91177308-0d34-0410-b5e6-96231b3b80d8
* minor changes to short circuit the 'no linkage' case earlier forChris Lattner2008-06-091-27/+40
| | | | | | | | function bodies. We now don't try to unify types or handling type mismatches if when linking an internal foo to an external foo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52134 91177308-0d34-0410-b5e6-96231b3b80d8
* simplify function visibility handling.Chris Lattner2008-06-091-7/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52133 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor code to copy global value attributes likeDuncan Sands2008-05-261-14/+4
| | | | | | | | | | | | | | | | the section or the visibility from one global value to another: copyAttributesFrom. This is particularly useful for duplicating functions: previously this was done by explicitly copying each attribute in turn at each place where a new function was created out of an old one, with the result that obscure attributes were regularly forgotten (like the collector or the section). Hopefully now everything is uniform and nothing is forgotten. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51567 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bunch of 80col violations that arose from the Create API change. Tweak ↵Gabor Greif2008-05-151-2/+4
| | | | | | makefile targets to find these better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51143 91177308-0d34-0410-b5e6-96231b3b80d8
* Add CommonLinkage; currently tentative definitionsDale Johannesen2008-05-141-10/+18
| | | | | | | | | | | | are represented as "weak", but there are subtle differences in some cases on Darwin, so we need both. The intent is that "common" will behave identically to "weak" unless somebody changes their target to do something else. No functional change as yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51118 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix linking of internal aliasesAnton Korobeynikov2008-05-101-28/+55
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50950 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn StripPointerCast() into a methodAnton Korobeynikov2008-05-071-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50836 91177308-0d34-0410-b5e6-96231b3b80d8
* If weak GlobalVariable was bitcast'ed to different type during linkingAnton Korobeynikov2008-05-061-1/+1
| | | | | | | we will need to strip all casts for intializer lookup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50776 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r49614. As Dan pointed out, some of these aren't correct.Owen Anderson2008-04-141-1/+1
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* Replace calls of the form V1->setName(V2->getName()) with V1->takeName(V2), Owen Anderson2008-04-131-1/+1
| | | | | | | which is significantly more efficient. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49614 91177308-0d34-0410-b5e6-96231b3b80d8
* API changes for class Use size reduction, wave 1.Gabor Greif2008-04-061-4/+4
| | | | | | | | | Specifically, introduction of XXX::Create methods for Users that have a potentially variable number of Uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49277 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the MemoryBuffer::getFile* methods to take just a pointer to theChris Lattner2008-04-011-3/+3
| | | | | | | | | start of a filename, not a filename+length. All clients can produce a null terminated name, and the system api's require null terminated strings anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49041 91177308-0d34-0410-b5e6-96231b3b80d8
* Ultimately resolve aliases during linking, if possibleAnton Korobeynikov2008-03-111-5/+4
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* Fix thinko: alias always defines new symbol. Even is aliasee itself is ↵Anton Korobeynikov2008-03-111-7/+2
| | | | | | undefined. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48203 91177308-0d34-0410-b5e6-96231b3b80d8
* Add sanity checksAnton Korobeynikov2008-03-101-0/+10
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* Typo: 'function' => 'alias'Anton Korobeynikov2008-03-101-3/+2
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* Syntactic sugar'ify stuff :)Anton Korobeynikov2008-03-101-15/+15
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* Always run 'make check' :) Fix fallout from prev. commit: query for possibleAnton Korobeynikov2008-03-101-1/+1
| | | | | | | alias destination only if we don't have anything to link to git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48181 91177308-0d34-0410-b5e6-96231b3b80d8
* Make error messages to have common styleAnton Korobeynikov2008-03-101-18/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48180 91177308-0d34-0410-b5e6-96231b3b80d8
* Properly link globals with aliasesAnton Korobeynikov2008-03-101-20/+41
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48179 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the LinkGlobal weirderness in common linking phase.Anton Korobeynikov2008-03-101-33/+44
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48177 91177308-0d34-0410-b5e6-96231b3b80d8
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