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Author SHA1 Message Date
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
Dan Gohman
f923129fc3 Update CPP backend for PrintModulePass API changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60690 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:07:24 +00:00
Evan Cheng
dda346aa71 Perform cheap checks first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60689 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 06:52:43 +00:00
Chris Lattner
0a3ba71a05 Speed up getABITypeSize by turning a i64 mul and div into an 
AND.  This is speedup on any reasonable target, but particularly
on 32-bit targets where this often turns into a libcall like udivdi3.

We know that alignments are a power of two but the compiler doesn't.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60688 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 06:50:51 +00:00
Chris Lattner
295d4e953a Some minor optimizations for isObjectSmallerThan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60687 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 06:28:54 +00:00
Dan Gohman
fb4b58c9aa Clarify a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60685 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 04:54:58 +00:00
Dan Gohman
2e3e5bf427 Move createVirtualRegister out-of-line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60684 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 04:54:11 +00:00
Dan Gohman
c93ced5b34 Clarify some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60683 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 04:53:23 +00:00
Dan Gohman
230591900c Add svn:ignore property. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60682 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 04:11:50 +00:00
Dan Gohman
70ef449741 Generalize bugpoint's concept of a "safe" backend, and add options 
to allow the "safe" backend to be run with a different path, and/or
with different command-line options.

This enables the following use cases:
 - bugpoint llc against an llc command from a different build
 - bugpoint llc against the same llc with different command-line options
 - and more...

Also, document the existing "custom" interpreter options.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60681 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 04:02:47 +00:00
Nick Lewycky
28ea4f6c07 Fixes for Visual Studio users. Patch by OvermindDL1 on llvm-dev! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60679 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 00:45:02 +00:00
Dan Gohman
c765a5acad Use bool instead of int, now that it no longer evokes a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60678 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 21:33:27 +00:00
Dan Gohman
994fd5354b Use intptr_t instead of unsigned here, which is more appropriate 
in a really obscure way, but more importantly has the side effect
of avoiding a GCC warning in the case that IntType is bool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60677 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 21:28:00 +00:00
Chris Lattner
3f7eb5b795 add an assert. the cast<> below would catch this but a message is more 
useful.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60674 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 18:45:15 +00:00
Chris Lattner
0655f73ef7 factor some code better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60673 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 18:42:51 +00:00
Chris Lattner
d44745d241 factor some code, fixing some fixme's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60672 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 18:39:13 +00:00
Chris Lattner
e91a4881e1 fix a typo duncan noticed! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60671 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 18:21:37 +00:00
Oscar Fuentes
f76eda70fa CMake: Added Tool.cpp to tools/llvmc/driver. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60670 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-07 17:01:16 +00:00