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32 Commits

Author SHA1 Message Date
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
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
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
98f2200fb2 finegrainify namespacification 
llvm-svn: 10839
 2004-01-14 03:38:37 +00:00
Chris Lattner
a2120947bb Do not crash when dealing with invoke and unwind instructions! 
llvm-svn: 10160
 2003-11-22 02:10:38 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
Chris Lattner
62b495bd5c I hate it when bugpoint is all ready to give me a bytecode file, then crashes 
in final cleanups.  Then you had to run the whole mess again with
-disable-final-cleanups.

This makes bugpoint run the cleanups in a protected environment so that if
they crash, bugpoint itself doesn't crash.  This makes things much happier,
implements a FIXME, and gets rid of YABPO (yet another bugpoint option).

llvm-svn: 9743
 2003-11-05 21:45:35 +00:00
Chris Lattner
c26574d777 Simplify the performFinalCleanups interface 
llvm-svn: 9740
 2003-11-05 21:15:19 +00:00
Chris Lattner
1844c58727 Do not print out lists with thousands of elements in them, that's kinda silly 
llvm-svn: 9523
 2003-10-27 04:44:59 +00:00
Chris Lattner
656ad51b9d fix file headers 
llvm-svn: 9293
 2003-10-20 17:57:13 +00:00
John Criswell
d06dc1136b Added copyright header to all C++ source files. 
llvm-svn: 9291
 2003-10-20 17:47:21 +00:00
Misha Brukman
868eac95dd Fix spelling. 
llvm-svn: 9027
 2003-10-10 17:57:28 +00:00
Misha Brukman
56f7db4178 Spell `necessary' correctly. 
llvm-svn: 7944
 2003-08-18 14:43:39 +00:00
Misha Brukman
de33e42aa9 File-related functions moved to FileUtilities.h . 
llvm-svn: 7696
 2003-08-07 21:42:28 +00:00
Misha Brukman
6cb08f34b6 Re-grouped and alphabetized headers for easier reading and cleaner style. 
llvm-svn: 7689
 2003-08-07 21:19:30 +00:00
Misha Brukman
43f3b68016 Moved SystemUtils.h to include/Support and SystemUtils.cpp to lib/Support. 
llvm-svn: 7687
 2003-08-07 21:04:42 +00:00
Chris Lattner
cd4179f054 If we're debugging the SimplifyCFG pass, we _REALLY_ don't want to use it for 
narrowing, no matter what.

llvm-svn: 7596
 2003-08-05 15:51:05 +00:00
Misha Brukman
65bebf03f0 Only test the vector of functions if it is non-empty. 
llvm-svn: 7594
 2003-08-05 15:26:21 +00:00
John Criswell
4f1ed9c65b Added code that ensures that we don't try to reduce an empty vector of basic 
blocks.
This fixes the bugpoint regressions.

llvm-svn: 7569
 2003-08-04 18:24:31 +00:00
Chris Lattner
ca92cc4853 Try to run cleanups even if nothing was modified in the preview passes 
llvm-svn: 6897
 2003-06-25 04:13:52 +00:00
Chris Lattner
c3373f42ce Remove stupid thinko that was preventing bugpoint from working 
llvm-svn: 6533
 2003-06-02 04:54:29 +00:00
Chris Lattner
8a549d117d Big programs have tons of global variable initializers, and most passes don't care 
about them.  Try to delete them if it doesn't affect the passes.

llvm-svn: 5918
 2003-04-25 00:53:05 +00:00
Chris Lattner
9c2869eca8 Speed up convergence significantly and also reduce the size of testcases by making large portions of a function's CFG dead at a time. 
llvm-svn: 5915
 2003-04-24 23:51:38 +00:00
Chris Lattner
15574dd30f The big fix is this change: 
-    if (I->isExternal() && !Functions.count(I))
+    if (!I->isExternal() && !Functions.count(I))

We were not actually deleting any functions from the module!

llvm-svn: 5914
 2003-04-24 22:54:06 +00:00
Chris Lattner
ad5fa07a44 Use the list reducer to improve convergence speed and to support crashes that 
only occur when multiple passes interact or when multiple functions exist in a module

llvm-svn: 5911
 2003-04-24 22:24:58 +00:00
Chris Lattner
0b66fe7194 Implement support for bugpoint to identify which FUNCTION an optimization 
is miscompiling.

llvm-svn: 5893
 2003-04-24 17:02:17 +00:00
Chris Lattner
b58da8ab04 * Reduce the number of useless bytecode files produced by bugpoint. 
- This also speeds it up as the bytecode writer isn't terribly fast.
* Add a new cleanup pass after everything else to run -funcresolve -globaldce

llvm-svn: 5668
 2003-02-28 16:13:20 +00:00
Chris Lattner
e6f7b214de Make bugpoint *much* more powerful, giving it the capability to delete instructions 
out of a large function to reduce it.

llvm-svn: 5408
 2003-01-23 02:48:33 +00:00
Chris Lattner
6788e95757 Implement the start of the miscompilation detection stuff 
llvm-svn: 5119
 2002-12-23 23:49:59 +00:00
Chris Lattner
ceba1ddf2f Initial checkin of bugpoint 
llvm-svn: 4789
 2002-11-20 22:28:10 +00:00