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Author SHA1 Message Date
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
Chris Lattner
f40a25ffa4 * Predicate the optimizer crash debugger on a function. 
* Implement a new code generator crash debugger which uses this predicate

llvm-svn: 11614
 2004-02-18 23:26:28 +00:00
Chris Lattner
2fba96f37e Add a new method for use by the code generator crash debugger. 
llvm-svn: 11613
 2004-02-18 23:25:22 +00:00
Chris Lattner
3d405dc9c4 Don't crash if there are no passes in the PassesToRun list 
llvm-svn: 11612
 2004-02-18 23:24:56 +00:00
Chris Lattner
2a293313ca Add support for just running the code generator 
llvm-svn: 11611
 2004-02-18 23:24:41 +00:00
Chris Lattner
00012233a7 Add support for just compiling a program 
llvm-svn: 11610
 2004-02-18 23:24:29 +00:00
Alkis Evlogimenos
310f641c9c Implement assignment correctness verification. 
llvm-svn: 11609
 2004-02-18 23:15:23 +00:00
Alkis Evlogimenos
d4fd43dee8 Move unused typedefs in private section. Add method to return interval 
given a register.

llvm-svn: 11608
 2004-02-18 23:14:52 +00:00
Chris Lattner
39e49b1940 Make the executeProgram method exception safe, not leaving around bytecode 
files.

llvm-svn: 11607
 2004-02-18 22:01:21 +00:00
Chris Lattner
6e7c1e5c5c Make more stuff public. Make the instruction argument to 
deleteInstructionFromProgram be const

llvm-svn: 11606
 2004-02-18 21:50:26 +00:00
Chris Lattner
975c9272ef make a bunch of methods public 
llvm-svn: 11605
 2004-02-18 21:35:28 +00:00
Chris Lattner
8a76047d63 A couple of minor cleanups: don't forward declare private classes, put private 
classes in an anon namespace

llvm-svn: 11604
 2004-02-18 21:29:46 +00:00
Chris Lattner
0eec2f9d9d Cleanup and simplify manipulation of the program, eliminate the need for so 
many 'friends' of bugdriver.

llvm-svn: 11603
 2004-02-18 21:24:48 +00:00
Chris Lattner
264e195392 Add a stub for debugging code generator crashes 
llvm-svn: 11602
 2004-02-18 21:02:04 +00:00
Chris Lattner
5a22f3a7d1 indent correctly 
llvm-svn: 11601
 2004-02-18 20:58:00 +00:00
Chris Lattner
eddc6ab2e7 Don't yell. BUGPOINT should yell, not the tool runner :) 
llvm-svn: 11600
 2004-02-18 20:57:38 +00:00
Chris Lattner
1f2a818b9f Update comments, if we are running with the CBE, make sure the Interpreter 
variable and the CBE variable are pointer equal.

llvm-svn: 11599
 2004-02-18 20:52:02 +00:00
Chris Lattner
15a1c4c452 Byebye method 
llvm-svn: 11598
 2004-02-18 20:38:12 +00:00