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15365 Commits

Author SHA1 Message Date
Reid Spencer c9e91ee004 Add the Linker library 
llvm-svn: 17763
 2004-11-14 21:54:41 +00:00
Reid Spencer cbbc7dc9a4 *Make naming convention consistent.*Add convertion to/from Unix Epoch time.*Add ability to convert to readable string. 
llvm-svn: 17762
 2004-11-14 21:53:55 +00:00
Reid Spencer 95eecc880c Make the remove*OnSignal functions deal with Paths not strings 
llvm-svn: 17761
 2004-11-14 21:53:09 +00:00
Reid Spencer 21488afc70 *Put the StatusInfo type in the right section. *Provide the ability to rename a file.*Provide the ability to get/set stat(2) information.*Provide the ability to identify LLVM file types. 
llvm-svn: 17760
 2004-11-14 21:52:22 +00:00
Reid Spencer c9e20eac69 Allow explicit closing of the MappedFile, before destruction 
llvm-svn: 17759
 2004-11-14 21:51:36 +00:00
Reid Spencer b457a6bcbc Linker is its own module now. Moved to include/llvm/Linker.h 
llvm-svn: 17758
 2004-11-14 21:50:50 +00:00
Reid Spencer 01d36a4cc1 Add higher level interface to simplify use of Compressor 
llvm-svn: 17757
 2004-11-14 21:50:00 +00:00
Reid Spencer 8a09893f02 Add the MoreHelp function pointer. If non-null, this specifies a function to be called to print out additional help information 
llvm-svn: 17756
 2004-11-14 21:49:13 +00:00
Reid Spencer 04fbc475ef Remove ReadArchiveFile (functionality moved to Archive.h). Add an alternate form for GetBytecodeSymbols. 
llvm-svn: 17755
 2004-11-14 21:48:27 +00:00
Reid Spencer 791ad3829a Complete rewrite to get first working version. 
llvm-svn: 17754
 2004-11-14 21:47:41 +00:00
Reid Spencer ec7a80bad2 Add a command for using llvm-ar correctly. 
llvm-svn: 17753
 2004-11-14 21:46:55 +00:00
Reid Spencer c1bb479c54 Interface to Linker (revised/expanded from Support/Linker.h) 
llvm-svn: 17752
 2004-11-14 21:46:08 +00:00
Misha Brukman 704576301f GhostLinkage not allowed in LLVM AsmWriter, either 
llvm-svn: 17751
 2004-11-14 21:04:34 +00:00
Misha Brukman 7f245d47c5 GhostLinkage should not reach asm printing stage 
llvm-svn: 17750
 2004-11-14 21:03:49 +00:00
Misha Brukman e225fa12ab Handle GhostLinkage (should not ever reach the assembly printing stage!) 
llvm-svn: 17749
 2004-11-14 21:03:30 +00:00
Misha Brukman b2e062c9d5 Mark an unmaterialized function as having GhostLinkage 
llvm-svn: 17748
 2004-11-14 21:02:55 +00:00
Misha Brukman f236e784f0 Add GhostLinkage for marking functions before they're fully materialized 
llvm-svn: 17747
 2004-11-14 21:02:28 +00:00
Chris Lattner 28eeb73f2f 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!

llvm-svn: 17746
 2004-11-14 20:50:30 +00:00
Chris Lattner 78d31c13ff New testcase. Believe it or not, this happens a LOT in vortex 
llvm-svn: 17745
 2004-11-14 20:41:39 +00:00
Misha Brukman 8b8ba9fcf7 Fix build on Linux/PowerPC64 using SuSE GCC (#undef PPC) 
llvm-svn: 17744
 2004-11-14 20:34:01 +00:00
Reid Spencer b75e2d9224 Moved from include/llvm/Support/Linker.h 
llvm-svn: 17743
 2004-11-14 20:21:58 +00:00
Reid Spencer b9e561e90c Moved to lib/Bytecode/Archive in preparation for re-write. 
llvm-svn: 17742
 2004-11-14 19:59:40 +00:00
Chris Lattner 46dd5a6304 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.

llvm-svn: 17741
 2004-11-14 19:29:34 +00:00
Chris Lattner 7515cabe2a 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.

llvm-svn: 17740
 2004-11-14 19:13:23 +00:00
Chris Lattner fd6a717b95 New testcase: the phi can be eliminated if the casts are sucked into it. 
Note that this reduces code size anyway (as well as making further
optimizations simpler) so it's always a win.

llvm-svn: 17739
 2004-11-14 19:12:17 +00:00
Chris Lattner 2d6843c2f7 Fix typo 
llvm-svn: 17738
 2004-11-14 17:54:58 +00:00
Chris Lattner 8875ae91a4 add a testcase, which we already handle 
llvm-svn: 17737
 2004-11-14 17:54:27 +00:00
Chris Lattner 15ff1e1885 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.

llvm-svn: 17735
 2004-11-14 07:33:16 +00:00
Chris Lattner 5a8b003a09 Remove note to self 
llvm-svn: 17734
 2004-11-14 06:57:47 +00:00
Brian Gaeke e13c960415 Fix problem with insertion point for ADJCALLSTACKDOWN. 
llvm-svn: 17733
 2004-11-14 06:32:08 +00:00
Brian Gaeke a281ebc490 Update lists of failing unit tests. 
Exclude bigfib, so that we effectively exclude all C++ benchmarks.
Update to-do list: mention va_start.

llvm-svn: 17732
 2004-11-14 06:32:07 +00:00
Chris Lattner a86e8783e8 Oops, make this test the right thing. 
llvm-svn: 17731
 2004-11-14 06:11:41 +00:00
Chris Lattner af555adc15 If a function always returns a constant, replace all calls sites with that 
constant value.  This makes the return value dead and allows for
simplification in the caller.

This implements IPConstantProp/return-constant.ll

This triggers several dozen times throughout SPEC.

llvm-svn: 17730
 2004-11-14 06:10:11 +00:00
Chris Lattner 37d2cd7cd6 New testcase 
llvm-svn: 17729
 2004-11-14 06:02:46 +00:00
Brian Gaeke 347a000be6 Fix NotTest - round up extraStack to the nearest doubleword, if it is 
not zero.

llvm-svn: 17728
 2004-11-14 05:19:00 +00:00
Chris Lattner fe3f4e6ebd Teach SROA how to promote an array index that is variable, if the dimension 
of the array is just two.  This occurs 8 times in gcc, 6 times in crafty, and
12 times in 099.go.

This implements ScalarRepl/sroa_two.ll

llvm-svn: 17727
 2004-11-14 05:00:19 +00:00
Chris Lattner 8076a5de30 New testcase, SROA with variable array index 
llvm-svn: 17726
 2004-11-14 04:58:40 +00:00
Brian Gaeke e90176e171 Update failing Benchmarks; point out that I'm skipping Shootout-C++. 
llvm-svn: 17725
 2004-11-14 04:43:12 +00:00
Chris Lattner 8881912d71 Rearrange some code, no functionality changes. 
llvm-svn: 17724
 2004-11-14 04:24:28 +00:00
Brian Gaeke 18b6015b11 Update expected UnitTests failures. 
llvm-svn: 17723
 2004-11-14 03:22:08 +00:00
Brian Gaeke e6b47514a3 Rewrite outgoing arg handling to handle more weird corner cases. 
llvm-svn: 17722
 2004-11-14 03:22:07 +00:00
Brian Gaeke 07097e12d5 Support UndefValue emission. 
llvm-svn: 17721
 2004-11-14 03:22:05 +00:00
Tanya Lattner 0fbc9c8350 setting path to prcontext.tcl script. Right now it searches for tclsh in your path, but this should be obtained from configure. 
llvm-svn: 17720
 2004-11-13 23:36:18 +00:00
Chris Lattner 9fa7f0ae0a Remove debugging code 
llvm-svn: 17719
 2004-11-13 23:32:53 +00:00
Chris Lattner 244031d306 Argument promotion transforms functions to unconditionally load their 
argument pointers.  This is only valid to do if the function already
unconditionally loaded an argument or if the pointer passed in is known
to be valid.  Make sure to do the required checks.

This fixed ArgumentPromotion/control-flow.ll and the Burg program.

llvm-svn: 17718
 2004-11-13 23:31:34 +00:00
Chris Lattner 0a205ead8b Add a testcase we should continue to argpromote 
llvm-svn: 17717
 2004-11-13 23:30:22 +00:00
Chris Lattner 70496c1728 Add a testcase for a function we cannot legally promote the argument of. 
llvm-svn: 17716
 2004-11-13 23:28:39 +00:00
Chris Lattner 7024d6b23e Add useful method, minor cleanups 
llvm-svn: 17715
 2004-11-13 23:28:10 +00:00
Chris Lattner 56c4c99cca Don't print unneeded labels 
llvm-svn: 17714
 2004-11-13 23:27:11 +00:00
Tanya Lattner 79d046ba70 Run prcontext.tcl with tclsh and let it be found in the path. This should be found by configure. 
llvm-svn: 17713
 2004-11-13 23:16:17 +00:00