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Author SHA1 Message Date
Alkis Evlogimenos
e39c21cc93 Make 'fold' statistic's description the same in both allocators. 
llvm-svn: 11687
 2004-02-21 18:07:33 +00:00
Chris Lattner
dacc6a7448 Instead of cloning the globals for main into the globals graph at the end of 
BU propagation, clone the globals into the GG of EACH FUNCTION that finishes
processing!  The GlobalsGraph *must* include all globals and effects from
all functions in the program.  Fixing this makes pool allocation work better
on 175.vpr, but it still ultimately crashes.

llvm-svn: 11686
 2004-02-21 00:30:28 +00:00
Chris Lattner
0f9200e5a5 There is no need to merge the globals graph into the function graphs at the 
end of the BU and CBU passes.  The globals will be marked incomplete, so it
doesn't matter if they are missing some info, and merging isn't guaranteed
to bring everything in anyway!

llvm-svn: 11684
 2004-02-20 23:52:15 +00:00
Chris Lattner
31f8fa66cb Add two missing returns, which caused us to be very pessimistic about the 
printf and scanf families!

llvm-svn: 11683
 2004-02-20 23:27:09 +00:00
Chris Lattner
0be72bef9f new testcase 
llvm-svn: 11682
 2004-02-20 23:05:43 +00:00
John Criswell
7f29c6ae94 Added the POVRAY_ROOT to locate Povray. 
llvm-svn: 11681
 2004-02-20 22:30:46 +00:00
John Criswell
ca86cefb56 Added an option for configuring Povray. By default, it should find my local 
installation of Povray (and not do anything for people who don't have it).

llvm-svn: 11680
 2004-02-20 22:30:22 +00:00
John Criswell
ce9b18b773 Build an archive for use with Povray. 
llvm-svn: 11678
 2004-02-20 21:26:46 +00:00
Alkis Evlogimenos
43431e117e Some more statistics improvements. 
llvm-svn: 11676
 2004-02-20 20:53:26 +00:00
Alkis Evlogimenos
6d57ed784f Disambiguate statistic descriptions. 
llvm-svn: 11675
 2004-02-20 20:46:49 +00:00
Alkis Evlogimenos
70f547d06e Rename statistic and add another one. 
llvm-svn: 11674
 2004-02-20 20:43:08 +00:00
Chris Lattner
4653c4cb50 Add support for some string functions, the scanf family, and sprintf 
llvm-svn: 11673
 2004-02-20 20:27:11 +00:00
Chris Lattner
5b22f55e54 Add a simple implementation of strncpy 
llvm-svn: 11672
 2004-02-20 20:15:47 +00:00
Chris Lattner
23ea81ddfb New testcase, do not emit a call to __builtin_sqrt, emit a call to sqrt instead! 
llvm-svn: 11668
 2004-02-20 19:08:12 +00:00
Chris Lattner
c09a5d21e0 Bug fixed 
llvm-svn: 11662
 2004-02-20 17:41:35 +00:00
Chris Lattner
0d08cf120b PR244: [llvm-gcc] miscompilation when a function is re-declared as static 
llvm-svn: 11661
 2004-02-20 17:32:24 +00:00
Brian Gaeke
16a18d203e Add checks for <execinfo.h> and backtrace(). 
llvm-svn: 11660
 2004-02-20 06:41:59 +00:00
Alkis Evlogimenos
168e4bf455 Fix crash in debug output. 
llvm-svn: 11659
 2004-02-20 06:41:12 +00:00
Brian Gaeke
688940d763 Use backtrace() and include execinfo.h, if they were detected by autoconf. 
llvm-svn: 11658
 2004-02-20 06:40:59 +00:00
Brian Gaeke
2aa4c4f955 Regenerated using autoheader-2.57. 
llvm-svn: 11657
 2004-02-20 06:40:58 +00:00
Brian Gaeke
42db400d19 Regenerated using autoconf-2.57. 
llvm-svn: 11656
 2004-02-20 06:40:57 +00:00
Alkis Evlogimenos
16744f2860 Fix instruction numbering in debug output. 
llvm-svn: 11655
 2004-02-20 06:29:51 +00:00
Alkis Evlogimenos
f32239a5c6 Too many changes in one commit: 
1. LiveIntervals now implement a 4 slot per instruction model. Load,
   Use, Def and a Store slot. This is required in order to correctly
   represent caller saved register clobbering on function calls,
   register reuse in the same instruction (def resues last use) and
   also spill code added later by the allocator. The previous
   representation (2 slots per instruction) was insufficient and as a
   result was causing subtle bugs.

2. Fixes in spill code generation. This was the major cause of
   failures in the test suite.

3. Linear scan now has core support for folding memory operands. This
   is untested and not enabled (the live interval update function does
   not attempt to fold loads/stores in instructions).

4. Lots of improvements in the debugging output of both live intervals
   and linear scan. Give it a try... it is beautiful :-)

In summary the above fixes all the issues with the recent reserved
register elimination changes and get the allocator very close to the
next big step: folding memory operands.

llvm-svn: 11654
 2004-02-20 06:15:40 +00:00
Chris Lattner
483712708a If bugpoint can't match the reference output, at LEAST provide the output 
we can get.

llvm-svn: 11653
 2004-02-20 06:12:58 +00:00
Chris Lattner
a112c05aa6 Wild and passionate uncontrolled goose chases are amusing to watch, but not 
very helpful.  Let bugpoint favor being helpful instead of determined.

llvm-svn: 11652
 2004-02-20 05:58:58 +00:00
Chris Lattner
ddbd4a598b Format a bit more nicely 
llvm-svn: 11651
 2004-02-20 05:56:48 +00:00
Chris Lattner
b24f30de8d It is totally unacceptable to print out (literally) millions of zeros when 
compiling 129.compress... so don't!

llvm-svn: 11649
 2004-02-20 05:49:22 +00:00
Chris Lattner
85d76cb3d5 Add strndup 
llvm-svn: 11638
 2004-02-19 21:44:41 +00:00
Chris Lattner
1316ee07fa Add a method useful for updating DSA 
llvm-svn: 11636
 2004-02-19 21:27:50 +00:00
Chris Lattner
0d3df27b4c Disable the stack trace thing until we can get an autoconf test for it. This 
call breaks on sparcs

llvm-svn: 11635
 2004-02-19 21:21:23 +00:00
Chris Lattner
d4f7ef8b1e Make sure to print a stack trace whenever an error signal is delivered 
to the tool.

llvm-svn: 11634
 2004-02-19 20:33:00 +00:00
Chris Lattner
3c9511b0ac Make sure to print a stack trace whenever an error signal is delivered to 
the tool.

llvm-svn: 11633
 2004-02-19 20:32:39 +00:00
Chris Lattner
f8c22e360b Make sure to print a stack trace whenever an error signal is delivered to the 
tool.

llvm-svn: 11632
 2004-02-19 20:32:12 +00:00
Chris Lattner
6deffd7154 Implement new function 
llvm-svn: 11631
 2004-02-19 20:03:14 +00:00
Chris Lattner
cd1fbde16a Add a new function 
llvm-svn: 11630
 2004-02-19 20:03:08 +00:00
Alkis Evlogimenos
eed4727191 Fix RA::verifyAssignment() 
llvm-svn: 11629
 2004-02-19 19:24:17 +00:00
Chris Lattner
c37073f249 Fix problem fusing spill code into instructions: we didn't update the live 
variable information to take into account the change of instruction
address.

llvm-svn: 11628
 2004-02-19 18:34:02 +00:00
Chris Lattner
266206caed Fix an iterator invalidation problem. :( 
llvm-svn: 11627
 2004-02-19 18:32:29 +00:00
Chris Lattner
6c338f7627 ADd a method for when an instruction moves 
llvm-svn: 11626
 2004-02-19 18:28:22 +00:00
Chris Lattner
6b0030105e Add method to update livevar when an instruction moves 
llvm-svn: 11625
 2004-02-19 18:28:02 +00:00
Chris Lattner
9e02d336e7 Be a bit more robust. Explicitly check for a code generator crash. 
llvm-svn: 11624
 2004-02-19 17:03:49 +00:00
Chris Lattner
8a9be6b652 Fix a __LONG__ term annoyance of mine: symbolic registers weren't being printed 
by operator<< on MachineInstr's, and looking up what register "24" is all of the
time was greatly annoying.

llvm-svn: 11623
 2004-02-19 16:17:08 +00:00
Chris Lattner
436ab13009 Add a MachineBasicBlock::getParent() method 
llvm-svn: 11622
 2004-02-19 16:13:54 +00:00
Alkis Evlogimenos
59c646da40 Make ToolExecutionError inherit std::exception and implement its 
interface: getMessage() is gone, use what() instead.

llvm-svn: 11621
 2004-02-19 07:39:26 +00:00
Alkis Evlogimenos
fbaf7b3944 Print stacktrace in STDERR before dying on a fatal signal. Currently 
the symbols are not demangled.

llvm-svn: 11620
 2004-02-19 07:36:35 +00:00
Alkis Evlogimenos
68f40cbfd3 Rename reloads/spills to loads/stores. 
llvm-svn: 11619
 2004-02-19 06:19:09 +00:00
Alkis Evlogimenos
ef9c4f4339 This is needed by assignment verification in linear-scan. 
llvm-svn: 11618
 2004-02-19 01:10:55 +00:00
Chris Lattner
584b3d7379 Fix the "horribly N^2'd" problem when deleting individual instructions. 
llvm-svn: 11617
 2004-02-18 23:59:11 +00:00
Chris Lattner
95be0e7972 Document the code generator debugger. 
llvm-svn: 11616
 2004-02-18 23:30:21 +00:00
Chris Lattner
d033fe4e8a document the -march=c option 
llvm-svn: 11615
 2004-02-18 23:30:02 +00:00