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51 Commits

Author SHA1 Message Date
Anton Korobeynikov
80585f1daa Add convenient helper for checking whether global is weak in linker sense 
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
 2008-07-05 23:48:30 +00:00
Duncan Sands
28c3cff825 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51567 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-26 19:58:59 +00:00
Bill Wendling
13d57320bd Remove warnings about unused parameters and shadowed variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51266 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 20:15:12 +00:00
Dale Johannesen
aafce77b17 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51118 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-14 20:12:51 +00:00
Chris Lattner
7ed47a1335 Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.  Boy are my fingers tired. ;-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45411 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 19:59:42 +00:00
Gordon Henriksen
afba8fe662 Reverting dtor devirtualization patch. 
_sabre_: it has a major problem: by the time ~Value is run, all of the "parts" of the derived classes have been destroyed
_sabre_: the vtable lives to fight another day

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44760 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-10 02:14:30 +00:00
Gordon Henriksen
ed455c8fa2 Devirtualizing Value destructor (PR889). Patch by Pawel Kunio! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44747 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-09 22:46:10 +00:00
Reid Spencer
276222a5ae Change casts from old style to new style. This helps document the details 
better, gives the compiler a chance to validate the cast and reduces warnings
if the user turns on -Wold-style-cast option.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41033 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-12 08:12:35 +00:00
Gabor Greif
a99be51bf5 Here is the bulk of the sanitizing. 
Almost all occurrences of "bytecode" in the sources have been eliminated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37913 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-05 17:07:56 +00:00
Anton Korobeynikov
bd4e080a16 Fix comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36596 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-30 19:14:56 +00:00
Anton Korobeynikov
6f9896fcc8 Implement protected visibility. This partly implements PR1363. Linker 
should be taught to deal with protected symbols.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36565 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-29 18:35:00 +00:00
Anton Korobeynikov
a80e1181b7 Implement review feedback. Aliasees can be either GlobalValue's or 
bitcasts of them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36537 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-28 13:45:00 +00:00
Anton Korobeynikov
8b0a8c84da Implement aliases. This fixes PR1017 and it's dependent bugs. CFE part 
will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36435 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-25 14:27:10 +00:00
Jeff Cohen
728e0e3173 Implement review feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36342 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-22 15:11:24 +00:00
Jeff Cohen
8c28c467f6 Fix breakage of bytecode reader when built with VC++. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36303 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 15:29:13 +00:00
Chris Lattner
18feb92e91 merge several fields in GlobalValue to use the same word, move CallingConv 
field into SubclassData in Value.  This shrinks GlobalVAlue from 48->40
bytes, Function from 88->76, and GlobalVariable from 76->68.  This trims
4640 bytes off my testcase, reading a bc file without materializing any
functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36192 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 04:31:29 +00:00
Dan Gohman
a1a702cdd2 Rename Value::getValueType to getValueID, to avoid confusion with 
other things named getValueType.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35964 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-13 18:12:09 +00:00
Chris Lattner
1cf5574636 Rework GlobalValue::removeDeadConstantUsers to always remove dead constant 
exprs hanging off a global, even if the global is not otherwise dead.  This
requires some tricky iterator gymnastics.

This implements Transforms/GlobalOpt/constantexpr-dangle.ll by deleting a
constantexpr that made it appear that the address of the function was taken.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34608 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 21:06:13 +00:00
Chris Lattner
dec628eead Switch ValueSymbolTable to use StringMap<Value*> instead of std::map<std::string, Value*> 
as its main datastructure.  There are many improvements yet to be made, but
this speeds up opt --std-compile-opts on 447.dealII by 7.3%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34193 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-12 05:18:08 +00:00
Reid Spencer
5cbf985dcb For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33663 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-30 20:08:39 +00:00
Reid Spencer
13d0b528ee Add some comments, fix an 80 cols violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33576 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-27 04:42:50 +00:00
Anton Korobeynikov
7f70559bc4 * PIC codegen for X86/Linux has been implemented 
* PIC-aware internal structures in X86 Codegen have been refactored
* Visibility (default/weak) has been added
* Docs fixes (external weak linkage, visibility, formatting)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33136 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 19:20:47 +00:00
Reid Spencer
ce10f8bb68 Fix some 80 col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32286 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-06 20:28:46 +00:00
Anton Korobeynikov
b74ed07bfd Adding dllimport, dllexport and external weak linkage types. 
DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30374 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 18:23:27 +00:00
Chris Lattner
7a13354dde Add support for putting globals in a particular section 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24309 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-12 00:09:49 +00:00
Chris Lattner
3aef571287 Make sure to initialize the alignment field 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24222 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 08:22:18 +00:00
Chris Lattner
b2f71b12f7 allow functions and modules to have an explicit alignment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24209 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 06:44:42 +00:00
Chris Lattner
70cfe13f19 Remove some dead argument names which irritates GCC at certain warning levels. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23979 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-25 17:59:28 +00:00
Misha Brukman
9769ab2226 Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21408 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-21 20:19:05 +00:00
Chris Lattner
f68563ff8a Add doxygen comments, patch contributed by Evan Jones. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21397 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-21 16:10:03 +00:00
Chris Lattner
5181ac8081 Adjust to changes in the User class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19888 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-29 00:33:00 +00:00
Chris Lattner
1840f3ce7f Add an accessor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17865 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 23:20:19 +00:00
Misha Brukman
f2cdf5e934 Add GhostLinkage for marking functions before they're fully materialized 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17747 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:02:28 +00:00
Chris Lattner
f962ac798a Change method to return void. Inline dtor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14982 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-19 00:55:19 +00:00
Reid Spencer
8cf4c8cd05 Fix typeos in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14954 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:55:49 +00:00
Reid Spencer
118c091fd7 bug 122: 
- derive from Constant
- declare needed overrides from Constant class


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14920 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-17 23:28:28 +00:00
Chris Lattner
bbd913bb6d Implement a new method useful for things like the inliner 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14768 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-12 01:17:52 +00:00
Chris Lattner
8b70b78ba4 Fixes for PR114: Thanks to Reid Spencer! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10029 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-16 20:21:15 +00:00
Brian Gaeke
d0fde30ce8 Put all LLVM code into the llvm namespace, as per bug 109. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 22:41:34 +00:00
John Criswell
6fbcc26f14 Added LLVM copyright header (for lack of a better term). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9304 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 20:19:47 +00:00
Chris Lattner
e63540307d Add weak linking type 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9168 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-16 18:27:04 +00:00
Chris Lattner
48486893f4 Standardize header file comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8782 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-09-30 18:37:50 +00:00
Chris Lattner
4ad02e726d Add new linkage types to support a real frontend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5786 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-04-16 20:28:45 +00:00
Chris Lattner
4bbd839d10 Make isExtern() be a virtual function inherited from GlobalValue 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4101 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-09 23:11:33 +00:00
Chris Lattner
fab8c796f6 * Clean up some comments 
* Move code out of header file to .cpp files, to make future changes easier
* Add arguments to classes so that they can be automatically inserted into their
  parent structure upon creation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3604 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-09-06 21:31:57 +00:00
Chris Lattner
785bfcca13 Add a forward defn for Module since it's no longer in Value.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2344 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-04-28 04:45:05 +00:00
Chris Lattner
19b0411c95 Transform uses of Method into uses of Function. 
Rename MethodArgument to FunctionArgument
Fix some _really_ out of date comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1986 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-03-26 17:48:08 +00:00
Chris Lattner
697954c15d Changes to build successfully with GCC 3.02 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1503 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-01-20 22:54:45 +00:00
Chris Lattner
6197b0fe54 Implement "internal vs external linkage" which corresponds to the C notion of static 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1362 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-11-26 18:46:40 +00:00
Chris Lattner
4387370c1c Factor parentness out of Module & GlobalVariable into GlobalValue 
Implement SymbolTable debug/dump utility


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@710 91177308-0d34-0410-b5e6-96231b3b80d8
 2001-10-03 19:28:15 +00:00