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5551 Commits

Author SHA1 Message Date
Chris Lattner
4f155b4c85 memcpy with zero length is hugely expensive, so avoid it. This speeds up coallescing from 1.17s to 0.88s on siod. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40984 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 07:02:50 +00:00
Chris Lattner
02cee38647 small speedup in the case where a smallvector is default ctor'd from 
an empty vector.  This speeds up llc slightly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40983 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 06:54:38 +00:00
Bill Wendling
76d708b76f Adding SSSE3 intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40982 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 06:22:27 +00:00
Chris Lattner
417efc897b avoid copying strings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40980 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 06:17:04 +00:00
Dale Johannesen
ab081c7195 Update per review comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40965 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 17:27:48 +00:00
Owen Anderson
9528f11481 Make NonLocal and None const in the right way. :-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40961 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 04:42:44 +00:00
Dale Johannesen
5411a3937f long double 9 of N. This finishes up the X86-32 bits 
(constants are still not handled).  Adds ConvertActions
to control fp-to-fp conversions (these are currently
defaulted for all other targets, so no changes there).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40958 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 01:04:01 +00:00
Owen Anderson
49609a5ddf Add one more comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40949 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 21:54:33 +00:00
Owen Anderson
179463c0d4 Cleanup and comment-ize the memdep header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40948 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 21:53:20 +00:00
Owen Anderson
8cad423d94 Change the None and NonLocal markers in memdep to be const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40946 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 21:39:39 +00:00
Reid Spencer
eb9422b19d Make it clear that getSTDIN returns null when stdin is empty. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40940 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 20:02:20 +00:00
Evan Cheng
24c2e5cf7e Adding kill info to val#. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40925 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 07:03:29 +00:00
Evan Cheng
a141cfe5b2 Clean up and bug fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40921 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 05:56:18 +00:00
Chris Lattner
3e089ae0b8 reimplement dfs number computation to be significantly faster. This speeds up 
natural loop canonicalization (which does many cfg xforms) by 4.3x, for 
example.  This also fixes a bug in postdom dfnumber computation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40920 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 05:51:24 +00:00
Evan Cheng
8df786012d - Each val# can have multiple kills. 
- Fix some minor bugs related to special markers on val# def. ~0U means
  undefined, ~1U means dead val#.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40916 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-08 03:00:28 +00:00
Evan Cheng
a8d94f1315 - LiveInterval value#'s now have 3 components: def instruction #, 
kill instruction #, and source register number (iff the value# is defined by a
copy).
- Now def instruction # is set for every value#, not just for copy defined ones.
- Update some outdated code related inactive live ranges.
- Kill info not yet set. That's next patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40913 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-07 23:49:57 +00:00
Devang Patel
a9e9286630 Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40911 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-07 23:16:03 +00:00
Owen Anderson
371d68958f Get rid of unnecessary #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40885 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-07 00:38:16 +00:00
Owen Anderson
dbbe816757 Clean up a bunch of caching stuff in memdep. This reduces the time to run GVN 
on 403.gcc from ~15s to ~10s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40884 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-07 00:33:45 +00:00
Devang Patel
fee76bd9ba Begin loop index split pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40883 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-07 00:25:56 +00:00
Chris Lattner
6f427580e0 remove #if 0 code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40880 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-06 22:03:19 +00:00
Chris Lattner
731a5f1f94 remove #if 0 code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40879 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-06 22:01:53 +00:00
Chandler Carruth
b1183c1ff3 This fixes resizing issues with BitVectors. It ensures that the BitWord type and type size is always used, and ensures completely correct clearing of unused high bits, and setting of bits when resizing. It should resolve PR1563. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40871 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-06 20:52:17 +00:00
Reid Spencer
7409cabc3e @verbatim needs to be on a line by itself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40865 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-06 17:10:29 +00:00
Christopher Lamb
98363225a3 Implement review feedback. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40863 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-06 16:33:56 +00:00
Chris Lattner
c385ae6ff5 Various random cleanups, add two accessors to DomTreeNode: getDFSNumIn/getDFSNumOut 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40856 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-06 06:15:43 +00:00
Reid Spencer
181b6c9cb5 Fix minor doxygen nits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40854 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 20:06:04 +00:00
Reid Spencer
f094f81d36 Document a missing parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40852 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 19:36:39 +00:00
Chris Lattner
7b54452c84 Fix a bug in DenseMap::clear, where we never reset a tombstone 
to EmptyKey.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40839 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 08:43:36 +00:00
Chris Lattner
42e4bdf257 When clearing a SmallPtrSet, if the set had a huge capacity, but the 
contents of the set were small, deallocate and shrink the set.  This
avoids having us to memset as much data, significantly speeding up
some pathological cases.  For example, this speeds up the verifier
from 0.3899s to 0.0763 (5.1x) on the testcase from PR1432 in a 
release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40837 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 07:32:14 +00:00
Chris Lattner
e93e311981 Switch the internal "Info" map from an std::map to a DenseMap. This 
speeds up idom by about 45% and postidom by about 33%.

Some extra precautions must be taken not to invalidate densemap iterators.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40827 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 00:02:00 +00:00
Chris Lattner
0a5f83c22c switch the DomTreeNodes and IDoms maps in idom/postidom to a 
DenseMap instead of an std::map.  This speeds up postdomtree
by about 25% and domtree by about 23%.  It also speeds up clients,
for example, domfrontier by 11%, mem2reg by 4% and ADCE by 6%.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40826 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-04 23:48:07 +00:00
Chandler Carruth
6994040a95 This is the patch to provide clean intrinsic function overloading support in LLVM. It cleans up the intrinsic definitions and generally smooths the process for more complicated intrinsic writing. It will be used by the upcoming atomic intrinsics as well as vector and float intrinsics in the future. 
This also changes the syntax for llvm.bswap, llvm.part.set, llvm.part.select, and llvm.ct* intrinsics. They are automatically upgraded by both the LLVM ASM reader and the bitcode reader. The test cases have been updated, with special tests added to ensure the automatic upgrading is supported.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40807 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-04 01:51:18 +00:00
Dale Johannesen
e713d9340a long double patch 3 of N. Add to MVT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40793 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-03 20:51:37 +00:00
Dale Johannesen
320fc8a39e Long double, part 1 of N. Support in IR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40774 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-03 01:03:46 +00:00
Anders Carlsson
bfbfcdafbe Fix bug spotted by Chris. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40725 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 06:05:19 +00:00
Anders Carlsson
7ccd9ec4f4 Add extend and extOrTrunc methods that do sign or zero extension depending on whether the integer is signed or not 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40724 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 06:00:13 +00:00
Evan Cheng
33d5595d66 Do not emit copies for physical register output if it's not used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40722 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 05:29:38 +00:00
Evan Cheng
8409747efa Instead of adding copyfromreg's to handle physical definitions. Now isel can 
simply specify them as results and let scheduledag handle them. That
is, instead of
SDOperand Flag = DAG.getTargetNode(Opc, MVT::i32, MVT::Flag, ...)
SDOperand Result = DAG.getCopyFromReg(Chain, X86::EAX, MVT::i32, Flag)

Just write:
SDOperand Result = DAG.getTargetNode(Opc, MVT::i32, MVT::i32, ...)

And let scheduledag emit the move from X86::EAX to a virtual register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40710 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 00:28:15 +00:00
Evan Cheng
b5910820ce Added TargetInstrDescriptor::numDefs - num of results. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40709 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 00:20:17 +00:00
Owen Anderson
9066020993 Make non-local memdep not be recursive, and fix a bug on 403.gcc that this exposed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40692 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 22:01:54 +00:00
Dan Gohman
c2bbfc18e9 More explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40673 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 15:32:29 +00:00
Dan Gohman
e819ff70f7 Make ImmutablePass::runOnModule non-virtual, since it is not 
intended to be overridden.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40671 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 14:28:20 +00:00
Owen Anderson
f6a05f949f Rename FastDSE to just DSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40668 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 06:36:51 +00:00
David Greene
52eec54820 New CallInst interface to address GLIBCXX_DEBUG errors caused by 
indexing an empty std::vector.

Updates to all clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40660 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 03:43:44 +00:00
David Greene
df464195fe Fix GLIBCXX_DEBUG error owing to dereference of end iterator. There's 
no guarantee that an instruction returned by getDependency exists in
the maps.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40647 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 20:01:27 +00:00
Devang Patel
c7e49c08c2 Introduce Simple Analysis interface for loop passes. 
Right now, this interface provides hooks for only to operations, 1) clone basic block 2) delete value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40625 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 08:00:57 +00:00
Anton Korobeynikov
3b30a6e92d Add detection of __dso_handle presence during configure. Use this information in the 
JITer (short path is added for darwin). This is needed to properly JIT llvm-gcc-4.2-built
binaries, since cxa_atexit is enabled by default on much more targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40600 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 20:02:02 +00:00
Dan Gohman
06dd2a68e1 Fix the comments for the 'fast' parameter in addPassesToEmitFile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40592 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 15:04:59 +00:00
Dan Gohman
fb71d38247 Fix the comment for getClosestTargetForJIT to reflect the fact that 
it does not have a Module parameter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40590 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 14:58:59 +00:00