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Author SHA1 Message Date
Chris Lattner
230700ef26 Fix a nasty dangling pointer issue. The ScalarEvolution pass would keep a 
map from instruction* to SCEVHandles.  When we delete instructions, we have
to tell it about it.  We would run into nasty cases where new instructions
were reallocated at old instruction addresses and get the old map values.
Bad bad bad :(

llvm-svn: 22632
 2005-08-03 21:36:09 +00:00
Chris Lattner
e69b731c71 Fix this to test the BE we care about 
llvm-svn: 22631
 2005-08-03 21:01:46 +00:00
Chris Lattner
b2f675c588 Fix an obvious bug in the Log2 stuff that broke SingleSource/UnitTests/2005-05-12-Int64ToFP 
last night.

llvm-svn: 22630
 2005-08-03 20:53:19 +00:00
Chris Lattner
d124203207 Fix PR611, codegen'ing SREM of FP operands to fmod or fmodf instead of 
the sequence used for integer ops

llvm-svn: 22629
 2005-08-03 20:31:37 +00:00
Chris Lattner
eee2daf85d The correct fix for PR612, which also fixes 
Transforms/LowerInvoke/2005-08-03-InvokeWithPHIUse.ll

llvm-svn: 22628
 2005-08-03 18:51:44 +00:00
Chris Lattner
31641138cf new testcase for PR612 
llvm-svn: 22627
 2005-08-03 18:51:15 +00:00
Chris Lattner
edac412122 When inserting code, make sure not to insert it before PHI nodes. This 
fixes PR612 and Transforms/LowerInvoke/2005-08-03-InvokeWithPHI.ll

llvm-svn: 22626
 2005-08-03 18:34:29 +00:00
Chris Lattner
a9161fc936 new testcase for PR612 
llvm-svn: 22625
 2005-08-03 18:33:48 +00:00
Nate Begeman
3c0178c886 Add a couple rlwinm tests for bitfield clears 
llvm-svn: 22624
 2005-08-03 18:27:17 +00:00
Nate Begeman
5a5045430c Update rlwimi tests to catch all the cases we care about 
llvm-svn: 22623
 2005-08-03 18:11:23 +00:00
Chris Lattner
ed6b5692c7 Testcase that used to crash simplifycfg 
llvm-svn: 22622
 2005-08-03 18:01:07 +00:00
Chris Lattner
3672ceb70b Fix Transforms/SimplifyCFG/2005-08-03-PHIFactorCrash.ll, a problem that 
occurred while bugpointing another testcase

llvm-svn: 22621
 2005-08-03 17:59:45 +00:00
Chris Lattner
62b0ecdfb8 add support for Graphviz when viewing CFGs 
llvm-svn: 22620
 2005-08-03 17:55:05 +00:00
Misha Brukman
41a00bbfa6 Fix grammar: apostrophe-s ('s) is possessive, not plural; also iff vs. if. 
llvm-svn: 22619
 2005-08-03 17:29:52 +00:00
Chris Lattner
42474809e3 Wrap comments to 80 cols, fix code sequence for CountLeadingZeros_64 on 
non-ppc GCC 4.0 machines.  Patch by Jim Laskey!

llvm-svn: 22618
 2005-08-03 16:53:58 +00:00
Chris Lattner
adfe9f12ef minor capitalization thing, patch by Jim Laskey 
llvm-svn: 22617
 2005-08-03 16:52:22 +00:00
Chris Lattner
260411fd9f Fix another bug in the clz patch that caused miscompilations when !gcc4 
llvm-svn: 22616
 2005-08-03 01:04:40 +00:00
Chris Lattner
6e1d5a8b28 Finally, add the required constraint checks to fix Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll 
the right way

llvm-svn: 22615
 2005-08-03 00:59:12 +00:00
Chris Lattner
a0cf824bef un-xfail this 
llvm-svn: 22614
 2005-08-03 00:58:44 +00:00
Chris Lattner
cbf4b650ba Simplify some code, add the correct pred checks 
llvm-svn: 22613
 2005-08-03 00:38:27 +00:00
Chris Lattner
c59014baef Refactor code out of PropagatePredecessorsForPHIs, turning it into a pure function with no side-effects 
llvm-svn: 22612
 2005-08-03 00:29:26 +00:00
Chris Lattner
0f4e0d19cc use splice instead of remove/insert to avoid some symtab operations 
llvm-svn: 22611
 2005-08-03 00:23:42 +00:00
Chris Lattner
adbd086f50 move two functions up in the file, use SafeToMergeTerminators to eliminate 
some duplicated code

llvm-svn: 22610
 2005-08-03 00:19:45 +00:00
Chris Lattner
b9efb90e1a Rip some code out of the main SimplifyCFG function into a subfunction and 
call it from the only place it is live.  No functionality changes.

llvm-svn: 22609
 2005-08-03 00:11:16 +00:00
Chris Lattner
0bd6f5c29f This fails for now 
llvm-svn: 22608
 2005-08-03 00:10:28 +00:00
Chris Lattner
df31d75597 Disable this patch: 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20050801/027345.html

This breaks real programs and only fixes an obscure regression testcase.  A
real fix is in development.

llvm-svn: 22606
 2005-08-02 23:31:38 +00:00
Chris Lattner
b5906d5783 Change a place to use an arbitrary value instead of null, when possible 
llvm-svn: 22605
 2005-08-02 23:29:23 +00:00
Chris Lattner
239aee9cd3 If the user interrupts bugpoint, don't extract loops 
llvm-svn: 22603
 2005-08-02 23:25:56 +00:00
Chris Lattner
65d1111d02 Add a note, people are responsible for requesting that they be added to the 
file.

llvm-svn: 22602
 2005-08-02 22:10:21 +00:00
Chris Lattner
0755b356ab Pass -export-dynamic to gcc when compiling with -native and the link is 
performed with -export-dynamic (aka. -disable-internalize).

Patch by Nicholas Riley!

llvm-svn: 22601
 2005-08-02 22:07:38 +00:00
Chris Lattner
420424b477 Fix the non-gcc 4.0 paths for countleadingzeros 
Patch fixed by Jim Laskey

llvm-svn: 22598
 2005-08-02 20:21:33 +00:00
Chris Lattner
4b86bc6f31 Fix inverted conditionals 
llvm-svn: 22597
 2005-08-02 20:06:18 +00:00
Chris Lattner
31a972dc23 one more hunk that got dropped 
llvm-svn: 22596
 2005-08-02 19:35:29 +00:00
Chris Lattner
75a8a64de4 This hunk accidentally got dropped. Patch by Jim Laskey 
llvm-svn: 22595
 2005-08-02 19:30:55 +00:00
Chris Lattner
cc8ae687e1 Update to use the new MathExtras.h support for log2 computation. 
Patch contributed by Jim Laskey!

llvm-svn: 22594
 2005-08-02 19:26:06 +00:00
Chris Lattner
a9994bf67a Fix the non-gcc 4.0 path to compile 
llvm-svn: 22593
 2005-08-02 19:21:51 +00:00
Chris Lattner
d59fba1bce Update to use the new MathExtras.h support for log2 computation. 
Patch contributed by Jim Laskey!

llvm-svn: 22592
 2005-08-02 19:16:58 +00:00
Chris Lattner
eed3c76305 Consolidate all of the various log2 computing functions into MathExtras.h. 
Also, provide accelerated implementations when building with GCC.
Patch contributed by Jim Laskey!

llvm-svn: 22591
 2005-08-02 19:15:30 +00:00
Chris Lattner
7f61f14e61 Update a doc, patch contributed by Jim Laskey! 
llvm-svn: 22590
 2005-08-02 19:14:25 +00:00
Chris Lattner
3a81e0795b add a pass name to make debugging dumps nicer 
llvm-svn: 22588
 2005-08-02 19:07:49 +00:00
Misha Brukman
eb3ceda067 Fix grammar: it's == "it is". 
llvm-svn: 22587
 2005-08-02 16:04:59 +00:00
Chris Lattner
05431d5ca5 Like the comment says, do not insert cast instructions before phi nodes 
llvm-svn: 22586
 2005-08-02 03:31:14 +00:00
Jeff Cohen
06094b5e91 It's dangerous coding on Mondays. 
llvm-svn: 22585
 2005-08-02 03:26:32 +00:00
Chris Lattner
b8fd6a098e This code was very close, but not quite right. It did not take into 
consideration the case where a reference in an unreachable block could
occur.  This fixes Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll,
something I ran into while bugpoint'ing another pass.

llvm-svn: 22584
 2005-08-02 03:24:05 +00:00
Chris Lattner
296e1735df New testcase that caused simplifycfg to crash 
llvm-svn: 22583
 2005-08-02 03:23:03 +00:00
Jeff Cohen
82a6b596d0 Implement SetInterruptFunction for Windows. 
llvm-svn: 22582
 2005-08-02 03:04:47 +00:00
Chris Lattner
4187b8bebe add a comment, make a check more lenient 
llvm-svn: 22581
 2005-08-02 02:52:02 +00:00
Chris Lattner
38b0e93bd4 Simplify for loop, clear a per-loop map after processing each loop 
llvm-svn: 22580
 2005-08-02 02:44:31 +00:00
Chris Lattner
c7ffb0c713 When the user hits ctrl-c, bugpoint should attempt to stop reduction as 
quickly as possible and output what it has so far.  If they hit it twice,
bugpoint is killed.

llvm-svn: 22579
 2005-08-02 02:16:17 +00:00
Chris Lattner
2ba2324c96 Implement sys::SetInterruptFunction on Unix, stub it on win32 so that the 
build will not fail

llvm-svn: 22578
 2005-08-02 02:14:22 +00:00