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7807 Commits

Author SHA1 Message Date
Gabor Greif
44e8c8d791 Remove the burden of dealing with list offsets 
from SymbolTableListTraits' clients, and
intead request a nice declarative interface.
Cleans up an IMHO ugly wart.

llvm-svn: 66331
 2009-03-07 10:00:35 +00:00
Daniel Dunbar
4050346c70 Add IRBuilder::CreateConstGEP{1, 2}_{32, 64}. 
- Names are lame, but it seems better to be explicit.

llvm-svn: 66295
 2009-03-06 22:26:07 +00:00
Daniel Dunbar
d9a5a0cf1f Add Module::getNamedValue; use to normalize access to Module symbol 
table.
 - No functionality change.

llvm-svn: 66289
 2009-03-06 22:04:43 +00:00
Tanya Lattner
89fb9b206e Add default constructor to SDNode to make gcc 3.4.6 happy. 
llvm-svn: 66280
 2009-03-06 18:17:45 +00:00
Chris Lattner
9457b5ea59 some nits noticed by Duncan 
llvm-svn: 66274
 2009-03-06 17:05:04 +00:00
Chris Lattner
33852b4f35 Sprinkle some PrettyStackEntry magic into the passmanager. With this, we now 
get nice and happy stack traces when we crash in an optimizer or codegen.  For
example, an abort put in UnswitchLoops now looks like this:

Stack dump:
0.	Program arguments: clang pr3399.c -S -O3 
1.	<eof> parser at end of file
2.	per-module optimization passes
3.	Running pass 'CallGraph Pass Manager' on module 'pr3399.c'.
4.	Running pass 'Loop Pass Manager' on function '@foo'
5.	Running pass 'Unswitch loops' on basic block '%for.inc'
Abort

llvm-svn: 66260
 2009-03-06 06:45:05 +00:00
Gabor Greif
37f9a76ed1 do not close friendship with every odd class 
llvm-svn: 66229
 2009-03-06 01:09:27 +00:00
Devang Patel
28a28a2588 Add "check/remove dbg var" helper routines. 
llvm-svn: 66223
 2009-03-06 00:19:37 +00:00
Nick Lewycky
dbd222fd42 Regenerate. 
llvm-svn: 66157
 2009-03-05 08:20:44 +00:00
Gabor Greif
5291d4d65b ooops, forgot to include the pointless-write eliminator in my previous checkin 
llvm-svn: 66081
 2009-03-04 21:54:31 +00:00
Dale Johannesen
4dbff7846e Add some cautionary comments. 
llvm-svn: 66080
 2009-03-04 21:53:29 +00:00
Chris Lattner
84424b02bb add some helper classes for building light-weight symbolic stack traces 
that get printed when a program crashes.  This is the first step of many.

llvm-svn: 66076
 2009-03-04 21:40:23 +00:00
Dale Johannesen
448293322b Re-commit 65975 and a fix for the problem that 
was causing llvm-gcc to fail to build.  I've
verified it bootstraps now; good enough for me.

llvm-svn: 66073
 2009-03-04 21:24:04 +00:00
Chris Lattner
faf39c40d4 Add a new 'AddSignalHandler' function to Signals.h that allows 
arbitrary functions to be run when a crash happens.  Delete 
RemoveDirectoryOnSignal as it is dead and has never had clients.

Change PrintStackTraceOnErrorSignal to be implemented in terms of
AddSignalHandler.

I updated the Win32 versions of these APIs, but can't test them.
If there are any problems, I'd be happy to fix them as well.

llvm-svn: 66072
 2009-03-04 21:21:36 +00:00
Gabor Greif
9a8e64c76f Give sentinel traits the right to determine the policy where the sentinel is kept. 
This should result in less indirect memory accesses, less dead writes and tighter code.

llvm-svn: 66061
 2009-03-04 20:36:44 +00:00
Gabor Greif
f8d2f7429d "Ghostify" embedded sentinels. This is a real win in all cases 
because less bytes are allocated and subobject construction is gone.
For reference how it works, see BasicBlock.h.
Btw. it is very assuring to see that somebody has invented
this ilist-embedded sentinel technique before me :-)

llvm-svn: 66026
 2009-03-04 06:57:48 +00:00
Dale Johannesen
b26bc461f0 Temporarily revert 65975, which breaks the llvm-gcc build. 
While the patch is clearly correct in itself, it's become
apparent other places are assuming debug intrinsics are
marked as touching memory...this needs more testing.

llvm-svn: 65992
 2009-03-04 01:14:28 +00:00
Devang Patel
dd0b382f55 Dbg Intrinsics do not access memory. 
llvm-svn: 65975
 2009-03-03 22:33:54 +00:00
Dan Gohman
cf43db79cc Make a comment less terse. 
llvm-svn: 65953
 2009-03-03 17:44:54 +00:00
Dan Gohman
51d4e8db6a Fix a bunch of Doxygen syntax issues. Escape special characters, 
and put @file directives on their own comment line.

llvm-svn: 65920
 2009-03-03 02:55:14 +00:00
Dale Johannesen
33fa9dc8a9 When sinking an insn in InstCombine bring its debug 
info with it.
Don't count debug info insns against the scan maximum
in FindAvailableLoadedValue (lest they affect codegen).

llvm-svn: 65910
 2009-03-03 01:09:07 +00:00
Bob Wilson
5b276b6bc9 Generalize BuildVectorSDNode::isConstantSplat to use APInts and handle 
arbitrary vector sizes.  Add an optional MinSplatBits parameter to specify
a minimum for the splat element size.  Update the PPC target to use the
revised interface.

llvm-svn: 65899
 2009-03-02 23:24:16 +00:00
Gabor Greif
63c1d08d66 drop support for GCC 2.x as it is hopelessly broken anyway 
llvm-svn: 65864
 2009-03-02 19:49:29 +00:00
Gabor Greif
2b1114593e Declare Sentinel fragments as mutable to get rid 
of some pointless casting. This fragment logically
does not belong to ilist anyway, but to "ghostly"
NodeType.

llvm-svn: 65843
 2009-03-02 14:47:45 +00:00
Gabor Greif
267542aaa5 remove a deprecated interface that was pretty useless 
llvm-svn: 65842
 2009-03-02 12:42:07 +00:00
Gabor Greif
f30dc30eea fix typo 
llvm-svn: 65839
 2009-03-02 12:10:56 +00:00
Mikhail Glushenkov
3f2bbd6301 Move code from Main.cpp to the include dir. 
User drivers based on llvmc must all share the initialization code.
Putting main() into libCompilerDriver is not a very good idea IMO (and ld gave
me some strange EH-related error anyway).

llvm-svn: 65825
 2009-03-02 09:03:02 +00:00
Mikhail Glushenkov
6987e30144 Cosmetic fixes: include guards. 
llvm-svn: 65824
 2009-03-02 09:02:28 +00:00
Mikhail Glushenkov
0ce41a4c26 Plugin::Priority() doesn't need to be pure virtual. 
llvm-svn: 65823
 2009-03-02 09:02:01 +00:00
Mikhail Glushenkov
1a0ddf169b Add a comment. 
llvm-svn: 65822
 2009-03-02 09:01:39 +00:00
Mikhail Glushenkov
3cde18e191 Reorganize llvmc code. 
Move the code from 'llvmc/driver' into a new CompilerDriver library, and change
the build system accordingly. Makes it easier for projects using LLVM to build
their own llvmc-based drivers.

Tested with objdir != srcdir.

llvm-svn: 65821
 2009-03-02 09:01:14 +00:00
Gabor Greif
3f56efbf04 Another sentinel optimization. This one should always 
be a win, since almost every interesting function has at least one Argument.

llvm-svn: 65778
 2009-03-01 17:13:15 +00:00
Gabor Greif
dc34b050a2 Reuse a technique (pioneered for BasicBlocks) of superposing ilist with 
its sentinel. This is quite a win when a function really has a basic block.                  
When the function is just a declaration (and stays so) the old way did not
allocate a sentinel. So this change is most beneficial when the ratio of
function definition to declaration is high. I.e. linkers etc. Incidentally  
these are the most resource demanding applications, so I expect that the
reduced malloc traffic, locality and space savings outweigh the cost of
addition of two pointers to Function.

llvm-svn: 65776
 2009-03-01 16:38:10 +00:00
Gabor Greif
9849b23219 fix a comment 
llvm-svn: 65768
 2009-03-01 09:45:52 +00:00
Gabor Greif
9b3fe3d625 Fix a typo. Thanks baldrick! 
llvm-svn: 65767
 2009-03-01 09:43:41 +00:00
Chris Lattner
0cefb564d4 simplify handling "don't print top level name" processing, so that we get 
stuff like %A = type { %A*} instead of an upref.

llvm-svn: 65748
 2009-03-01 01:16:21 +00:00
Bob Wilson
7482f84ae6 Combine PPC's GetConstantBuildVectorBits and isConstantSplat functions to a new 
method in a BuildVectorSDNode "pseudo-class".

llvm-svn: 65747
 2009-03-01 01:13:55 +00:00
Chris Lattner
1a7eac8434 move type name population out of TypePrinting class into a static 
AsmWriter.cpp method.

llvm-svn: 65736
 2009-02-28 23:20:19 +00:00
Chris Lattner
2396ce476a delete a bunch of duplicated type printing logic, using the type printing 
stuff in AsmWriter.cpp for Type::getDescription().

llvm-svn: 65734
 2009-02-28 23:01:57 +00:00
Gabor Greif
2def3e8ae7 add description how the ilist_traits<Instruction> works 
llvm-svn: 65732
 2009-02-28 22:46:37 +00:00
Chris Lattner
34181d9bcc the module is not required to exist, allow it to default, giving this 
class a nice default ctor.

llvm-svn: 65731
 2009-02-28 22:41:33 +00:00
Chris Lattner
28f2b3c2a4 disable copying and assignment. 
llvm-svn: 65730
 2009-02-28 22:35:24 +00:00
Chris Lattner
03e16b833f expose TypePrinting as a public API. 
llvm-svn: 65729
 2009-02-28 22:34:45 +00:00
Chris Lattner
f47615197e Change WriteTypeSymbolic to not put a space out before types, also, remove 
the old std::ostream version.

llvm-svn: 65720
 2009-02-28 21:05:51 +00:00
Gabor Greif
5d9be2cffd make traits more flexible by splitting out node-related fragment 
llvm-svn: 65690
 2009-02-28 10:17:32 +00:00
Evan Cheng
c26c11bbd0 Avoid unused parameter warning. 
llvm-svn: 65670
 2009-02-28 01:10:24 +00:00
Gabor Greif
078dabaf4a group friendship 
llvm-svn: 65633
 2009-02-27 15:46:23 +00:00
Rafael Espindola
880e63bf01 Refactor TLS code and add some tests. The tests and expected results are: 
pic |  declaration | linkage  | visibility |

!pic |  declaration | external | default    | tls1.ll     tls2.ll     | local exec
 pic |  declaration | external | default    | tls1-pic.ll tls2-pic.ll | general dynamic
!pic | !declaration | external | default    | tls3.ll     tls4.ll     | initial exec
 pic | !declaration | external | default    | tls3-pic.ll tls4-pic.ll | general dynamic

!pic |  declaration | external | hidden     | tls7.ll     tls8.ll     | local exec
 pic |  declaration | external | hidden     | X                       | local dynamic
!pic | !declaration | external | hidden     | tls9.ll     tls10.ll    | local exec
 pic | !declaration | external | hidden     | X                       | local dynamic

!pic |  declaration | internal | default    | tls5.ll     tls6.ll     | local exec
 pic |  declaration | internal | default    | X                       | local dynamic

The ones marked with an X have not been implemented since local dynamic is not implemented.

llvm-svn: 65632
 2009-02-27 13:37:18 +00:00
Gabor Greif
154b0b2765 fix comments 
llvm-svn: 65627
 2009-02-27 09:33:37 +00:00
Gabor Greif
9b51fe4ab1 Introduce a new technique for merging BasicBlock with Instruction sentinel by superposition. 
This looks dangerous, but isn't because the sentinel is accessed in special way only,
namely the Next and Prev fields of it, and these are guaranteed to exist.

llvm-svn: 65626
 2009-02-27 08:41:37 +00:00