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167 Commits

Author SHA1 Message Date
Chris Lattner b32a9ef00f when linking globals, make sure to preserve the address space of the global. 
llvm-svn: 52810
 2008-06-27 03:10:24 +00:00
Chris Lattner d53bd2da98 Fix an error handling redefinition of linkonce functions where the 
types differ.  Patch by Nathan Keynes!

llvm-svn: 52527
 2008-06-20 05:29:39 +00:00
Chris Lattner 56cdea6b3e Add a missing ~ (dtor became ctor) which caused crashes on a bunch of stuff. 
llvm-svn: 52374
 2008-06-16 23:06:51 +00:00
Chris Lattner 9be15893c5 stop making PATypeHolder's so crazily. 
llvm-svn: 52364
 2008-06-16 21:17:12 +00:00
Chris Lattner eee6f995dd use a real associative container for type association instead of using 
a vector with a linear search.  This speeds up the linking testcase 
in PR1860 from 0.965s to 0.385s on my system.

llvm-svn: 52357
 2008-06-16 21:00:18 +00:00
Chris Lattner fe677e9570 bail out sooner if we have two concrete but different types. 
llvm-svn: 52351
 2008-06-16 20:03:01 +00:00
Chris Lattner 85b66d18b9 simplify some code. 
llvm-svn: 52350
 2008-06-16 19:55:40 +00:00
Chris Lattner 8cb74995cc Apply a patch from Nathan Keynes, which speeds up llvm-link on 
the testcases in PR1860 from taking more than 1 hour (when I killed it)
to taking 1s.

llvm-svn: 52347
 2008-06-16 19:48:08 +00:00
Chris Lattner 9995302b02 handle vectors. Any integers that got here would necessarily be different already. 
llvm-svn: 52341
 2008-06-16 18:27:53 +00:00
Chris Lattner 8aa89e4181 Simplify ResolveTypes by pulling the null case out into the one 
client that cares and simplifying its control flow.

Remove the DestST argument to ResolveTypes and RecursiveResolveTypes*
which are dead now.

llvm-svn: 52340
 2008-06-16 18:19:05 +00:00
Chris Lattner e9bb8552af simplify RecursiveResolveTypes and ResolveTypes by pulling the naming out of 
ResolveTypes into the one place that needs it.

llvm-svn: 52338
 2008-06-16 18:11:40 +00:00
Chris Lattner 77e8ac4d03 use 'continue' to make the function linker simpler. When linking a strong 
function into a weak function, zap the weak function body so that the
strong one overrides it.  This fixes PR2410

llvm-svn: 52135
 2008-06-09 07:47:34 +00:00
Chris Lattner 228a5f1867 minor changes to short circuit the 'no linkage' case earlier for 
function bodies.  We now don't try to unify types or handling type
mismatches if when linking an internal foo to an external foo.

llvm-svn: 52134
 2008-06-09 07:36:11 +00:00
Chris Lattner ec7441b365 simplify function visibility handling. 
llvm-svn: 52133
 2008-06-09 07:25:28 +00:00
Duncan Sands dd7daee850 Factor code to copy global value attributes like 
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.

llvm-svn: 51567
 2008-05-26 19:58:59 +00:00
Gabor Greif 697e94cc22 Fix a bunch of 80col violations that arose from the Create API change. Tweak makefile targets to find these better. 
llvm-svn: 51143
 2008-05-15 10:04:30 +00:00
Dale Johannesen ce4396bc92 Add CommonLinkage; currently tentative definitions 
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.

llvm-svn: 51118
 2008-05-14 20:12:51 +00:00
Anton Korobeynikov acbdaa2406 Fix linking of internal aliases 
llvm-svn: 50950
 2008-05-10 14:41:43 +00:00
Anton Korobeynikov fc2edad4ae Turn StripPointerCast() into a method 
llvm-svn: 50836
 2008-05-07 22:54:15 +00:00
Anton Korobeynikov 09cfb1cf2d If weak GlobalVariable was bitcast'ed to different type during linking 
we will need to strip all casts for intializer lookup.

llvm-svn: 50776
 2008-05-06 22:52:54 +00:00
Owen Anderson 7629b71dd4 Revert r49614. As Dan pointed out, some of these aren't correct. 
llvm-svn: 49657
 2008-04-14 17:38:21 +00:00
Owen Anderson 1f6fbc4bc3 Replace calls of the form V1->setName(V2->getName()) with V1->takeName(V2), 
which is significantly more efficient.

llvm-svn: 49614
 2008-04-13 19:15:17 +00:00
Gabor Greif e9ecc68d8f API changes for class Use size reduction, wave 1. 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.

llvm-svn: 49277
 2008-04-06 20:25:17 +00:00
Chris Lattner 6f2ffdb73f Change the MemoryBuffer::getFile* methods to take just a pointer to the 
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.

llvm-svn: 49041
 2008-04-01 18:04:03 +00:00
Anton Korobeynikov e6d90f5a95 Ultimately resolve aliases during linking, if possible 
llvm-svn: 48259
 2008-03-11 22:51:09 +00:00
Anton Korobeynikov 2591afca0a Fix thinko: alias always defines new symbol. Even is aliasee itself is undefined. 
llvm-svn: 48203
 2008-03-11 00:24:53 +00:00
Anton Korobeynikov 510fc32d15 Add sanity checks 
llvm-svn: 48184
 2008-03-10 22:36:53 +00:00
Anton Korobeynikov d5160da577 Typo: 'function' => 'alias' 
llvm-svn: 48183
 2008-03-10 22:36:35 +00:00
Anton Korobeynikov 66a6271c07 Syntactic sugar'ify stuff :) 
llvm-svn: 48182
 2008-03-10 22:36:08 +00:00
Anton Korobeynikov 715ef43c2e Always run 'make check' :) Fix fallout from prev. commit: query for possible 
alias destination only if we don't have anything to link to

llvm-svn: 48181
 2008-03-10 22:35:31 +00:00
Anton Korobeynikov eeb5ca6f5f Make error messages to have common style 
llvm-svn: 48180
 2008-03-10 22:34:46 +00:00
Anton Korobeynikov e79f4c77f0 Properly link globals with aliases 
llvm-svn: 48179
 2008-03-10 22:34:28 +00:00
Anton Korobeynikov f6439246cc Remove the LinkGlobal weirderness in common linking phase. 
llvm-svn: 48177
 2008-03-10 22:33:53 +00:00
Anton Korobeynikov 1f93c50ace Typo 
llvm-svn: 48176
 2008-03-10 22:33:22 +00:00
Ted Kremenek d48ed17d18 Fix some compilation errors on msvc: 
- "Redefinition of I" (iterator masks previous definition)
- include missing header file

Patch by Argiris Kirtzidis!

llvm-svn: 48115
 2008-03-09 18:32:50 +00:00
Anton Korobeynikov e8a3e74b6c Clarify some important bits 
llvm-svn: 48010
 2008-03-07 18:34:50 +00:00
Anton Korobeynikov 0074ea3ae7 Small cleanup: propagate thread-localness via generic routine. 
No functionality change.

llvm-svn: 48009
 2008-03-07 18:32:18 +00:00
Anton Korobeynikov 2609888f29 Missed patch from my last commit 
llvm-svn: 47977
 2008-03-05 23:21:39 +00:00
Anton Korobeynikov e43711d392 Resolve aliases to aliasees, where possible 
llvm-svn: 47975
 2008-03-05 23:08:47 +00:00
Anton Korobeynikov 24f65c3ab7 Handle functions as targets during linking of aliases as well 
llvm-svn: 47974
 2008-03-05 23:08:16 +00:00
Anton Korobeynikov dac5fa94ef Try hard to link aliases. Checks can be too strict by now. 
llvm-svn: 47968
 2008-03-05 22:22:46 +00:00
Anton Korobeynikov 2e13597f9d Remember the source->dest mapping when copying aliases. This fixes PR2054 
llvm-svn: 47945
 2008-03-05 15:27:21 +00:00
Anton Korobeynikov 12cee7195f Clarify the state-of-the-art 
llvm-svn: 47944
 2008-03-05 15:11:00 +00:00
Anton Korobeynikov 28179f764c Properly populate lists of defined/undefined symbols in presence of aliases 
llvm-svn: 47900
 2008-03-04 20:16:11 +00:00
Lauro Ramos Venancio 14241b29b2 Emit an error when a library is not found. It is the GNU ld behavior and it is expected by the configure scripts. 
llvm-svn: 47674
 2008-02-27 17:20:32 +00:00
Anton Korobeynikov bddf51bc9b And final pack of warnings silencing 
llvm-svn: 47372
 2008-02-20 11:27:04 +00:00
Chris Lattner 90c2df5bd0 random cleanups. 
llvm-svn: 47334
 2008-02-19 18:49:08 +00:00
Chris Lattner f3ebc3f3d2 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Chris Lattner a087a8d2ce remove attribution from lib Makefiles. 
llvm-svn: 45415
 2007-12-29 20:09:26 +00:00
Anton Korobeynikov 4f00f531ad Ignore functions with internal linkages during linking. This snipped mimics the 
behaviour of LinkGlobals() function.

llvm-svn: 45375
 2007-12-27 23:21:57 +00:00