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Author SHA1 Message Date
Chris Lattner
ec3fb63af2 Rename IVUse to IVUsersOfOneStride, use a struct instead of a pair to 
unify some parallel vectors and get field names more descriptive than
"first" and "second".  This isn't lisp afterall :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22633 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 22:21:05 +00:00
Chris Lattner
52d83e66ee 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 :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22632 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 21:36:09 +00:00
Chris Lattner
a23076a5f6 Fix this to test the BE we care about 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22631 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 21:01:46 +00:00
Chris Lattner
2be12faabb Fix an obvious bug in the Log2 stuff that broke SingleSource/UnitTests/2005-05-12-Int64ToFP 
last night.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22630 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 20:53:19 +00:00
Chris Lattner
4c64dd7977 Fix PR611, codegen'ing SREM of FP operands to fmod or fmodf instead of 
the sequence used for integer ops


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22629 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 20:31:37 +00:00
Chris Lattner
f1adce42b2 The correct fix for PR612, which also fixes 
Transforms/LowerInvoke/2005-08-03-InvokeWithPHIUse.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22628 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 18:51:44 +00:00
Chris Lattner
999b814a6d new testcase for PR612 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22627 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 18:51:15 +00:00
Chris Lattner
6e459bf0a7 When inserting code, make sure not to insert it before PHI nodes. This 
fixes PR612 and Transforms/LowerInvoke/2005-08-03-InvokeWithPHI.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22626 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 18:34:29 +00:00
Chris Lattner
522611095d new testcase for PR612 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22625 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 18:33:48 +00:00
Nate Begeman
1b0674c966 Add a couple rlwinm tests for bitfield clears 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22624 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 18:27:17 +00:00
Nate Begeman
2bbcca30b7 Update rlwimi tests to catch all the cases we care about 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22623 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 18:11:23 +00:00
Chris Lattner
82e6ef3ec3 Testcase that used to crash simplifycfg 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22622 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 18:01:07 +00:00
Chris Lattner
6306d07aa8 Fix Transforms/SimplifyCFG/2005-08-03-PHIFactorCrash.ll, a problem that 
occurred while bugpointing another testcase


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22621 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 17:59:45 +00:00
Chris Lattner
b06f677c53 add support for Graphviz when viewing CFGs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22620 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 17:55:05 +00:00
Misha Brukman
0a3f677f09 Fix grammar: apostrophe-s ('s) is possessive, not plural; also iff vs. if. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22619 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 17:29:52 +00:00
Chris Lattner
89bfcd34cb Wrap comments to 80 cols, fix code sequence for CountLeadingZeros_64 on 
non-ppc GCC 4.0 machines.  Patch by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22618 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 16:53:58 +00:00
Chris Lattner
a34cbcc50a minor capitalization thing, patch by Jim Laskey 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22617 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 16:52:22 +00:00
Chris Lattner
865dc8f64f Fix another bug in the clz patch that caused miscompilations when !gcc4 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22616 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 01:04:40 +00:00
Chris Lattner
1aad921c18 Finally, add the required constraint checks to fix Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll 
the right way


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22615 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:59:12 +00:00
Chris Lattner
969c88e817 un-xfail this 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22614 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:58:44 +00:00
Chris Lattner
dc88dbeafa Simplify some code, add the correct pred checks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22613 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:38:27 +00:00
Chris Lattner
3b3efc7797 Refactor code out of PropagatePredecessorsForPHIs, turning it into a pure function with no side-effects 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22612 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:29:26 +00:00
Chris Lattner
d423b8b6ca use splice instead of remove/insert to avoid some symtab operations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22611 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:23:42 +00:00
Chris Lattner
2bdcb56146 move two functions up in the file, use SafeToMergeTerminators to eliminate 
some duplicated code


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22610 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:19:45 +00:00
Chris Lattner
7e66348cba 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22609 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:11:16 +00:00
Chris Lattner
d970ff025d This fails for now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22608 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:10:28 +00:00
Chris Lattner
17de414965 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22606 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 23:31:38 +00:00
Chris Lattner
f5e982daa8 Change a place to use an arbitrary value instead of null, when possible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22605 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 23:29:23 +00:00
Chris Lattner
aed98fa886 If the user interrupts bugpoint, don't extract loops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22603 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 23:25:56 +00:00
Chris Lattner
86c27eebc0 Add a note, people are responsible for requesting that they be added to the 
file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22602 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 22:10:21 +00:00
Chris Lattner
1d924f6070 Pass -export-dynamic to gcc when compiling with -native and the link is 
performed with -export-dynamic (aka. -disable-internalize).

Patch by Nicholas Riley!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22601 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 22:07:38 +00:00
Chris Lattner
e6ec587059 Fix the non-gcc 4.0 paths for countleadingzeros 
Patch fixed by Jim Laskey


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22598 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 20:21:33 +00:00
Chris Lattner
591083a5c7 Fix inverted conditionals 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22597 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 20:06:18 +00:00
Chris Lattner
9e17df80ca one more hunk that got dropped 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22596 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:35:29 +00:00
Chris Lattner
c0d590b6f2 This hunk accidentally got dropped. Patch by Jim Laskey 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22595 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:30:55 +00:00
Chris Lattner
0561b3ff9f Update to use the new MathExtras.h support for log2 computation. 
Patch contributed by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22594 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:26:06 +00:00
Chris Lattner
3b65576527 Fix the non-gcc 4.0 path to compile 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22593 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:21:51 +00:00
Chris Lattner
bcd7db59d0 Update to use the new MathExtras.h support for log2 computation. 
Patch contributed by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22592 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:16:58 +00:00
Chris Lattner
88c606eb0c Consolidate all of the various log2 computing functions into MathExtras.h. 
Also, provide accelerated implementations when building with GCC.
Patch contributed by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22591 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:15:30 +00:00
Chris Lattner
7dc934da2d Update a doc, patch contributed by Jim Laskey! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22590 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:14:25 +00:00
Chris Lattner
3f270130b5 add a pass name to make debugging dumps nicer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22588 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:07:49 +00:00
Misha Brukman
15d89cba85 Fix grammar: it's == "it is". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22587 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 16:04:59 +00:00
Chris Lattner
8105c76da4 Like the comment says, do not insert cast instructions before phi nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22586 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 03:31:14 +00:00
Jeff Cohen
64fe58490d It's dangerous coding on Mondays. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22585 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 03:26:32 +00:00
Chris Lattner
1593ac259d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22584 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 03:24:05 +00:00
Chris Lattner
1bc0f735c9 New testcase that caused simplifycfg to crash 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22583 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 03:23:03 +00:00
Jeff Cohen
ee841a1a87 Implement SetInterruptFunction for Windows. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22582 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 03:04:47 +00:00
Chris Lattner
7e608bbb5d add a comment, make a check more lenient 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22581 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 02:52:02 +00:00
Chris Lattner
e9100c69cb Simplify for loop, clear a per-loop map after processing each loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22580 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 02:44:31 +00:00
Chris Lattner
f9aaae06cd 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22579 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 02:16:17 +00:00