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91bcf6450a
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Author SHA1 Message Date
Chris Lattner
91bcf6450a Switch GVN::processNonLocalLoad to using the new 
MemDep::getNonLocalPointerDependency method.  There are
some open issues with this (missed optimizations) and
plenty of future work, but this does allow GVN to eliminate
*slightly* more loads (49246 vs 49033).

Switching over now allows simplification of the other code
path in memdep.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60780 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 19:25:07 +00:00
Chris Lattner
ae1993114f random cleanups, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60779 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 19:21:47 +00:00
Evan Cheng
28575f2113 xfail this for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60777 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 18:43:00 +00:00
Evan Cheng
a9d50c00f1 Back out 60748 for now. It's breaking SPASS, 254.gap, and 464.h264ref. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60776 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 18:21:49 +00:00
Evan Cheng
f84802880c Cosmetic changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60771 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 17:56:30 +00:00
Nuno Lopes
34283c8303 remove unused var 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60770 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 17:04:06 +00:00
Dan Gohman
e3a49cd944 Whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60769 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 16:37:48 +00:00
Mikhail Glushenkov
260435c807 Remove Clang tests since clang is not installed on the buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60767 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 15:11:45 +00:00
Mikhail Glushenkov
78bd53d296 Add some rudimentary tests for . 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60766 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 14:41:27 +00:00
Mikhail Glushenkov
efc5c319ed Man page typo fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60765 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 14:41:00 +00:00
Mikhail Glushenkov
74bcb057c0 Support -emit-llvm properly (with -S and -c). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60764 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 14:40:18 +00:00
Duncan Sands
677a7ec489 Handle a compiler warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60755 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 09:58:11 +00:00
Chris Lattner
9f1e12a2f2 fix typos gabor noticed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60754 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 08:38:36 +00:00
Bill Wendling
c065b3f5ec Correct my English. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60753 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 07:55:31 +00:00
Chris Lattner
6563371bad restructure the top level non-local ptr dep query to handle 
the first block of a query specially.  This makes the "complete query
caching" subsystem more effective, avoiding predecessor queries.  This
speeds up GVN another 4%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60752 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 07:52:59 +00:00
Chris Lattner
9863c3f507 rename getNonLocalPointerDepInternal -> getNonLocalPointerDepFromBB 
and split its inner loop out into a new GetNonLocalInfoForBlock
function.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60751 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 07:47:11 +00:00
Evan Cheng
77f86ad087 DisableGVCompilation should not abort on internal GlobalValue's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60750 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 07:31:49 +00:00
Mon P Wang
1cd46bbb1c In LegalizeOp, don't change the result type of CONVERT_RNDSAT when promoting 
one of its operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60749 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 07:27:39 +00:00
Nick Lewycky
0bed364307 It's easy to handle SLE/SGE when the loop has a unit stride. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60748 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 07:25:04 +00:00
Chris Lattner
ba4dacc875 if we have two elements, insert both, don't use std::sort. 
This speeds up the new GVN by another 3%


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60747 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 07:05:45 +00:00
Chris Lattner
1aeadacdad If we're only adding one new element to 'Cache', insert it into its known 
position instead of using a full sort. This speeds up GVN by ~4% with the
new memdep stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60746 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 06:58:04 +00:00
Chris Lattner
511b36c00f convert a couple other places that use pred_iterator to use the caching 
pred iterator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60745 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 06:44:17 +00:00
Chris Lattner
0401245ab3 newline at end of phile 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60744 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 06:32:32 +00:00
Chris Lattner
4012fdda13 use hte new pred cache to speed up the new non-local memdep 
queries.  This speeds up GVN using the new queries (not yet
checked in) by just over 10%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60743 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 06:28:49 +00:00
Chris Lattner
312b9a17e6 pred_iterator got a lot slower since use-diet landed. This is a 
really simple cache class for these queries.  Hopefully this can
be removed if pred_iterator speeds back up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60742 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 06:27:07 +00:00
Scott Michel
db1b5bf5eb CellSPU: 
- Fix call.ll and call_indirect.ll expected results, now that it's using a
  different pre-register allocation scheduler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60741 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 06:12:03 +00:00
Mon P Wang
e9f1015d1f Fix getNode to allow a vector for the shift amount for shifts of vectors. 
Fix the shift amount when unrolling a vector shift into scalar shifts.
Fix problem in getShuffleScalarElt where it assumes that the input of
a bit convert must be a vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60740 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 05:46:39 +00:00
Chris Lattner
46a879ebd3 Fix a really subtle off-by-one bug that Duncan noticed with valgrind 
on test/CodeGen/Generic/2007-06-06-CriticalEdgeLandingPad.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60739 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 04:47:21 +00:00
Scott Michel
e07d3dead1 CellSPU: 
- Change default scheduling preference to list-burr, which produces somewhat
  better code than the default. Could also use list-tdrr, but need to ask
  dev list about the appropriate handy mnemonic before commiting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60738 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 03:37:19 +00:00
Bill Wendling
52370a1089 Add initial support for fast-isel of the [SU]ADDO intrinsics. It isn't 
complete. For instance, it lowers the common case into this less-than-optimal
code:

        addl    %ecx, %eax
        seto    %cl
        testb   %cl, %cl
        jne     LBB1_2  ## overflow

instead of:

        addl    %ecx, %eax
        jo      LBB1_2  ## overflow

That will come in a future commit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60737 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 02:42:50 +00:00
Dan Gohman
5fb580efd6 Fix the name of ISD::TokenFactor in a comment. Thanks Gabor! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60736 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 02:18:52 +00:00
Chris Lattner
fe1d9e9588 remove two unneeded forward declarations, pointed out by Gabor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60735 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 02:10:10 +00:00
Dan Gohman
aeac8f9cb4 Don't charge full latency for an anti-dependence, in this simplistic 
pipeline model.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60733 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-09 00:26:46 +00:00
Dan Gohman
55fdaec36a Fix a couple of mistaken switch case fall-throughs. Thanks to Bill 
for spotting these!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60728 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 23:50:06 +00:00
Devang Patel
51d8b669f1 Actually test something. Use PR3170 test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60727 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 23:44:46 +00:00
Chris Lattner
20fa76ef6f remove DebugIterations option. Despite the accusations, 
jump threading has been shown to only expose problems not
have bugs itself.  I'm sure it's completely bug free! ;-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60725 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 22:44:07 +00:00
Evan Cheng
e4d1082b2c Re-apply 60689 now my head is screwed on right. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60711 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 19:29:03 +00:00
Dan Gohman
a629b48a66 Fix the top-level comments, and fix some 80-column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60707 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 17:50:35 +00:00
Dan Gohman
b79a01111d Move the conversion to intptr_t to a separate statement. This 
avoids GCC's warning even on 64-bit hosts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60706 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 17:41:24 +00:00
Dan Gohman
2d4e9bc922 Revert 60689. It caused many regressions on Darwin targets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60705 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 17:38:02 +00:00
Ted Kremenek
4cd3145223 Use 'delete []' instead of 'delete' in OwningArray::reset(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60703 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 17:28:11 +00:00
Devang Patel
042b877e84 Fix spelling. 
Thanks Duncan!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60702 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 17:07:24 +00:00
Devang Patel
6d9896f153 Undo previous patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60701 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 17:02:37 +00:00
Duncan Sands
174f938bd0 Fix comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60698 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 14:10:36 +00:00
Duncan Sands
1832705b06 Fix comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 14:01:59 +00:00
Dan Gohman
c8a1a3c426 Factor out the code for sign-extending/truncating gep indices 
and use it in x86 address mode folding. Also, make
getRegForValue return 0 for illegal types even if it has a
ValueMap for them, because Argument values are put in the
ValueMap. This fixes PR3181.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:57:47 +00:00
Chris Lattner
11dcd8d38d add another level of caching for non-local pointer queries, keeping 
track of whether the CachedNonLocalPointerInfo for a block is specific
to a block.  If so, just return it without any pred scanning.  This is
good for a 6% speedup on GVN (when it uses this lookup method, which
it doesn't right now).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60695 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:31:50 +00:00
Chris Lattner
59779c5605 consistency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60694 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:21:39 +00:00
Chris Lattner
bedb8c1d35 introduce a new RoundUpAlignment helper function, use it to 
remove some more 64-bit divs and rems from the StructLayout 
ctor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60692 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:11:56 +00:00
Dan Gohman
149cfc3519 Make ConstantAggregateZero::get return a ConstantAggregateZero*, 
as suggested in PR3182.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60691 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:10:54 +00:00