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Author SHA1 Message Date
Nick Lewycky
5c9be67cff Teach BasicAA a little something about the atomic intrinsics: they can only 
modify through the pointer they're given.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83959 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 07:48:38 +00:00
Nick Lewycky
cc271861da Add new "memory use marker" intrinsics. These indicate lifetimes and invariant 
sections of memory objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83953 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 07:03:23 +00:00
Daniel Dunbar
6e4bdfc229 Fix a -Asserts warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83950 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 06:47:08 +00:00
Chris Lattner
c411c4be1e remove dead header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83943 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 05:33:26 +00:00
Chris Lattner
4a8e17da32 remove notcast, it is now dead! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83938 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 04:27:02 +00:00
Chris Lattner
2a03c04424 remove two old and nearly useless tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83937 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 04:25:24 +00:00
Devang Patel
e12ee4b738 XFAIL these tests for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83933 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 01:51:29 +00:00
Dan Gohman
cbc7cc63b6 Add a ceilLogBase2 function to APInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83932 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 01:49:02 +00:00
Victor Hernandez
5c78736f85 Memory dependence analysis was incorrectly stopping to scan for stores to a pointer at bitcast uses of a malloc call. 
It should continue scanning until the malloc call, and this patch fixes that.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83931 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 01:42:53 +00:00
Edward O'Callaghan
2b7b37a4c9 Regenerate configure for rev. 83823 putback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83930 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-13 01:01:38 +00:00
Devang Patel
6e37f4878b Enable "debug info attached to an instruction" mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83925 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 23:22:09 +00:00
Devang Patel
6ef7517314 Find enclosing subprogram info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83922 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 23:11:24 +00:00
Devang Patel
1f03471a2d Set default location for a function if it is not set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83921 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 23:10:55 +00:00
Kevin Enderby
6bd266e567 Fix two warnings about unused variables that are only used in assert() calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83917 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 22:51:49 +00:00
Bob Wilson
af4b735219 Delete a comment that makes no sense to me. The statement that moving a CPE 
before its reference is only supported on ARM has not been true for a while.
In fact, until recently, that was only supported for Thumb.  Besides that,
CPEs are always a multiple of 4 bytes in size, so inserting a CPE should have
no effect on Thumb alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83916 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 22:49:05 +00:00
Kevin Enderby
9d36962ab6 Fix a problem in the code where ARMAsmParser::ParseShift() second argument 
should have been a pointer to a reference.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83915 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 22:39:54 +00:00
Evan Cheng
67d1d1f832 Make licm debug message readable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 22:25:23 +00:00
Bob Wilson
757652c5ba Change CreateNewWater method to return NewMBB by reference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83905 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 21:39:43 +00:00
Bob Wilson
f98032ef64 Last week, ARMConstantIslandPass was failing to converge for the 
MultiSource/Benchmarks/MiBench/automotive-susan test.  The failure has
since been masked by an unrelated change (just randomly), so I don't have
a testcase for this now.  Radar 7291928.

The situation where this happened is that a constant pool entry (CPE) was
placed at a lower address than the load that referenced it.  There were in
fact 2 CPEs placed at adjacent addresses and referenced by 2 loads that were
close together in the code.  The distance from the loads to the CPEs was
right at the limit of what they could handle, so that only one of the CPEs
could be placed within range.  On every iteration, the first CPE was found
to be out of range, causing a new CPE to be inserted.  The second CPE had
been in range but the newly inserted entry pushed it too far away.  Thus the
second CPE was also replaced by a new entry, which in turn pushed the first
CPE out of range.  Etc.

Judging from some comments in the code, the initial implementation of this
pass did not support CPEs placed _before_ their references.  In the case
where the CPE is placed at a higher address, the key to making the algorithm
terminate is that new CPEs are only inserted at the end of a group of adjacent
CPEs.  This is implemented by removing a basic block from the "WaterList"
once it has been used, and then adding the newly inserted CPE block to the
list so that the next insertion will come after it.  This avoids the ping-pong
effect where CPEs are repeatedly moved to the beginning of a group of
adjacent CPEs.  This does not work when going backwards, however, because the
entries at the end of an adjacent group of CPEs are closer than the CPEs
earlier in the group.

To make this pass terminate, we need to maintain a property that changes can
only happen in some sort of monotonic fashion.  The fix used here is to require
that the CPE for a particular constant pool load can only move to lower
addresses.  This is a very simple change to the code and should not cause
any significant degradation in the results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83902 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 21:23:15 +00:00
Bob Wilson
32c50e8f99 Another minor clean-up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83897 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 20:45:53 +00:00
Chris Lattner
f1787b055c allow this testcase to pass with recent changes. The test hasn't been 
producing any stores at all for a long time, but ".store." was in some
IR instruction names until recently.  This removal caused the test to
start failing.  Just make it reject any stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83895 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 20:42:35 +00:00
Bob Wilson
d637c1a495 Remove redundant parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83894 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 20:37:23 +00:00
Bob Wilson
3b7573517c Use early exit to reduce indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83874 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 19:04:03 +00:00
Bob Wilson
9d16f2c0ba Change to return a value by reference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83873 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 19:01:12 +00:00
Bob Wilson
034de5f65f Add a typedef for an iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83872 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 18:52:13 +00:00
Dale Johannesen
3a6b9eb868 Revert the kludge in 76703. I got a clean 
bootstrap of FSF-style PPC, so there is some
reason to believe the original bug (which was
never analyzed) has been fixed, probably by
82266.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83871 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 18:49:00 +00:00
Dale Johannesen
c1deda50ca Fix warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83870 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 18:45:32 +00:00
Chris Lattner
a83a10835f fix validation error pointed out by gabor (and the w3c :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83868 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 18:33:33 +00:00
Chris Lattner
1e07905638 Improve bugpoint doc, patch by Timo Lindfors! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83865 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 18:12:47 +00:00
Jeffrey Yasskin
6a9291ad55 Fix http://llvm.org/PR5160, to let CallbackVHs modify other ValueHandles on the 
same Value without breaking things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83861 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 17:43:32 +00:00
Gabor Greif
4ae7972f1d another bunch of <tt>s 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83860 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 16:50:25 +00:00
Dan Gohman
7fa50ede61 Remove a redundant member variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83857 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 16:44:10 +00:00
Dan Gohman
465193a0a8 Delete some obsolete declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83856 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 16:43:44 +00:00
Gabor Greif
c6cb1c9b80 even more <tt>s 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83854 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 16:40:25 +00:00
Dan Gohman
0032681424 Don't forget to mark RAX as live-out of the function when arranging for 
it to hold the address of an sret return value, for x86-64 ABI purposes.

Also, fix the test that was originally intended to test this to actually
test it, using FileCheck.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83853 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 16:36:12 +00:00
Gabor Greif
6bd6ede7d7 more typewriter face 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83852 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 16:27:44 +00:00
Gabor Greif
6bd7567910 fix three validation errors, I leave the fourth to sabre :-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83851 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 16:13:36 +00:00
Gabor Greif
b00933b9e8 set some options in typewriter font 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83850 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 16:08:52 +00:00
Benjamin Kramer
8040cd3cfd Documentation: Perform automated correction of common typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83849 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 14:46:08 +00:00
Torok Edwin
8746929ff9 Fix typo, patch from Timo Juhani Lindfors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83848 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 13:37:29 +00:00
Benjamin Kramer
90869455b5 Eliminate some redundant llvm-as calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83837 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 09:31:55 +00:00
Edward O'Callaghan
d75d267367 Missing CHECK: lines makes test exit abnormally. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83835 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 09:01:26 +00:00
Edward O'Callaghan
2a4bea5262 FileCheck not CheckFile, oops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83834 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 08:51:28 +00:00
Edward O'Callaghan
5464547c02 Convert InstCombine/call.ll to CheckFile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83833 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 08:46:47 +00:00
Edward O'Callaghan
7aeb9b5e4c Convert the rest of the InstCombine tests from notcast to FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83828 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 07:18:14 +00:00
Nick Lewycky
a457ba09f7 Remove this part of the test, it never actually tested anything anyways. This 
unbreaks make check after evocallaghan's changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83827 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 06:32:42 +00:00
Edward O'Callaghan
60ea2c5a18 Fix syntax error missed in converting zext.ll test. Convert 2003-11-13-ConstExprCastCall.ll to FileCheck from notcast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83826 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 06:23:56 +00:00
Edward O'Callaghan
853075e762 Convert InstCombine tests from notcast to FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83825 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 06:14:06 +00:00
Nate Begeman
677c89d8bf More heuristics for Combiner-AA. Still catches all important cases, but 
compile time penalty on gnugo, the worst case in MultiSource, is down to
about 2.5% from 30%


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83824 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 05:53:58 +00:00
Edward O'Callaghan
df40664a63 Haiku porting patches, Credit to Paul Davey. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83823 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-12 04:57:20 +00:00