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8260 Commits

Author SHA1 Message Date
Chris Lattner
50e60c7026 Quiet warnings on the persephone tester 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17821 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 05:54:07 +00:00
Chris Lattner
7e529e4b3c Two minor improvements: 
1. Speedup getValueState by having it not consider Arguments.  It's better
    to just add them before we start SCCP'ing.
 2. SCCP can delete the contents of dead blocks.  No really, it's ok!  This
    reduces the size of the IR for subsequent passes, even though
    simplifycfg would do the same job.  In practice, simplifycfg does not
    run until much later than sccp in gccas


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17820 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 05:45:33 +00:00
Chris Lattner
ef36dfd31a rename InstValue to LatticeValue, as it holds for more than instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17818 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 05:03:30 +00:00
Reid Spencer
a79a99a1dc Actually get the #include correct so it compiles .. duh. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17817 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 04:47:22 +00:00
Chris Lattner
82bec2cff0 Substantially refactor the SCCP class into an SCCP pass and an SCCPSolver 
class.  The only changes are minor:

 * Do not try to SCCP instructions that return void in the rewrite loop.
   This is silly and fool hardy, wasting a map lookup and adding an entry
   to the map which is never used.
 * If we decide something has an undefined value, rewrite it to undef,
   potentially leading to further simplications.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17816 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 04:44:20 +00:00
Reid Spencer
2e83ea5211 Make it actually compile on Solaris. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17815 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 04:42:44 +00:00
Reid Spencer
00b5df427f Consolidate the implementation of TimeValue::now() for Unix to use the 
seemingly ubiquitous gettimeofday(3) call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17813 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 04:36:35 +00:00
Reid Spencer
b323113b93 * Make sure the string table gets read even if there isn't a foreign 
symbol table.
* Make sure we update the file pointer for each member when rebuilding the
  symbol table.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17812 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 01:40:20 +00:00
Reid Spencer
766b793143 Changes necessary to enable linking of archives without LLVM symbol tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17811 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 01:20:11 +00:00
Reid Spencer
6238a85e4f Remove a forgotten debug output line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17810 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 23:49:55 +00:00
Reid Spencer
2fbf978cb7 Implement functionality suggested from code review: getStatusInfo should 
returnn false if the file doesn't exist rather than throw ane exception.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17809 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 23:30:38 +00:00
Reid Spencer
7cc371a795 Linker.h moved to include/llvm from include/llvm/Support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17807 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 23:27:04 +00:00
Reid Spencer
a2a62210f2 Make sure IdentifyFileType is in the sys namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17806 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 23:26:18 +00:00
Reid Spencer
605b9e2c5b Linker.h has a new home. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17801 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 23:00:08 +00:00
Reid Spencer
ce2bc2b28f Moved to lib/Bytecode/Archive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17800 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:38:32 +00:00
Alkis Evlogimenos
98bc8ed49b Add missing include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17799 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:37:42 +00:00
Reid Spencer
5e081fb74a Moved to lib/Linker 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17786 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:15:31 +00:00
Reid Spencer
64a10ce9ad Forget strerror_r, it causes problems. Fix later when threading matters 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17783 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:10:54 +00:00
Reid Spencer
d351871d9b Implement the toString method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17782 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:10:08 +00:00
Reid Spencer
944655922e Update for prototype changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17781 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:09:22 +00:00
Reid Spencer
eaf181550a * Implement getDirectoryContents * Implement getStatusInfo * Implement setStatusInfo * Implement renameFile 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17780 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:08:36 +00:00
Reid Spencer
083507cd3f Fix bugs in class invariant 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17779 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:07:50 +00:00
Reid Spencer
fb9aac85cd Include the correct implementation file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17778 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:07:04 +00:00
Reid Spencer
44cbf36c38 Don't exceed 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17777 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:06:18 +00:00
Reid Spencer
f37ce99c0a Implement IdentifyFileType function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17776 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:05:32 +00:00
Reid Spencer
e3c6ad7e76 Implement the high level interface to make (de)compression easier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17775 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:04:46 +00:00
Reid Spencer
ad0846bd8b Implement the MoreHelp utility that calls a function to printmore help information if the MoreHelp global is not null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17774 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:04:00 +00:00
Reid Spencer
a455cca62f Don't bother with a re-linked library, ensure archive library is built. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17773 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:03:14 +00:00
Reid Spencer
8bbb17abe6 *Adjust prototypes for public interface. *Rewrite LinkInArchive to use symbol tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17772 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:02:27 +00:00
Reid Spencer
a70d84d40a Simplify compression code by using the high level interface to the Compressor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17771 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:01:41 +00:00
Reid Spencer
565ff3d448 Add wrappers to get defined symbols from bytecode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17770 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:00:48 +00:00
Reid Spencer
d3539b8a5e Simplify handling of decompression 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17769 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 22:00:09 +00:00
Reid Spencer
61aaf2e0af Simplify decompression code by using the high level interface to the Compressor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17768 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:59:21 +00:00
Reid Spencer
f9d7a51c44 Completely rewritten to allow reading of archives and symbol table lookup in a more efficient manner. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17767 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:58:33 +00:00
Reid Spencer
bc9fc845a0 Implementation declarations for Archive 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17766 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:57:46 +00:00
Reid Spencer
cf6afc6239 First working version 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17765 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:56:59 +00:00
Reid Spencer
5544b5e50b Add the Archive library 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17764 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:55:27 +00:00
Reid Spencer
9d969b8328 Add the Linker library 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17763 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:54:41 +00:00
Misha Brukman
3c8f2c66e5 GhostLinkage not allowed in LLVM AsmWriter, either 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17751 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:04:34 +00:00
Misha Brukman
d2691fdf18 GhostLinkage should not reach asm printing stage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17750 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:03:49 +00:00
Misha Brukman
3a8a42a9b4 Handle GhostLinkage (should not ever reach the assembly printing stage!) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17749 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:03:30 +00:00
Misha Brukman
a3e6ad62f3 Mark an unmaterialized function as having GhostLinkage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17748 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:02:55 +00:00
Chris Lattner
bd38edfe23 If a global is just loaded and restored, realize that it is not changing 
value.  This allows us to turn more globals into constants and eliminate them.
This patch implements GlobalOpt/load-store-global.llx.

Note that this patch speeds up 255.vortex from:

Output/255.vortex.out-cbe.time:program 7.640000
Output/255.vortex.out-llc.time:program 9.810000

to:

Output/255.vortex.out-cbe.time:program 7.250000
Output/255.vortex.out-llc.time:program 9.490000

Which isn't bad at all!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17746 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 20:50:30 +00:00
Misha Brukman
fc256599b3 Fix build on Linux/PowerPC64 using SuSE GCC (#undef PPC) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17744 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 20:34:01 +00:00
Reid Spencer
9577667822 Moved to lib/Bytecode/Archive in preparation for re-write. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17742 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 19:59:40 +00:00
Chris Lattner
b58934484b This optimization makes MANY phi nodes that all have the same incoming value. 
If this happens, detect it early instead of relying on instcombine to notice
it later.  This can be a big speedup, because PHI nodes can have many
incoming values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17741 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 19:29:34 +00:00
Chris Lattner
bac32866a7 Implement instcombine/phi.ll:test6 - pulling operations through PHI nodes. 
This exposes subsequent optimization possiblities and reduces code size.
This triggers 1423 times in spec.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17740 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 19:13:23 +00:00
Chris Lattner
711b3402aa Transform this: 
%X = alloca ...
  %Y = alloca ...
    X == Y

into false.  This allows us to simplify some stuff in eon (and probably
many other C++ programs) where operator= was checking for self assignment.
Folding this allows us to SROA several additional structs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17735 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 07:33:16 +00:00
Chris Lattner
6739eae7ea Remove note to self 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17734 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 06:57:47 +00:00
Brian Gaeke
da9b3668c2 Fix problem with insertion point for ADJCALLSTACKDOWN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17733 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 06:32:08 +00:00