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ab3c9b1f95
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5575 Commits

Author SHA1 Message Date
Nick Lewycky
ab3c9b1f95 Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41167 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-18 14:46:55 +00:00
Chris Lattner
0162c1815e Compute the argument list as lazily as possible. This ensures that clients 
that don't use it don't have to pay the memory cost for the arguments.  This
allows us to avoid creating Argument nodes for many prototypes and for clients
who lazily deserialize code from a bytecode file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41166 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-18 06:14:52 +00:00
Devang Patel
96bf524b53 When one branch of condition is eliminated then head of the other 
branch is not necessary immediate dominators of merge blcok in all cases.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41144 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-17 21:59:16 +00:00
Chris Lattner
6de84985a4 improve iplist comments. Switch iplist from allocating its sentinal object (for 
end()) eagerly to allocating it lazily.  This saves a lot of memory for JIT applications
that read a module but don't materialize most of the functions (e.g. 62K for 252.eon).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41142 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-17 16:49:19 +00:00
Reid Spencer
f8e9f7c70a Fix PR1606: 
The AC_CHECK_HEADER macro was used instead of AC_CHECK_HEADERS. The former does
not automatically add a #define to the configure variables while the latter
does. Consequently, the HAVE_PTHREAD_H symbol was not defined which caused the
Mutex.cpp file to compile to an empty implementation. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41137 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-17 05:44:59 +00:00
Dan Gohman
0fee3ff93e Add MVT::fAny for overloading intrinsics on floating-point types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41128 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-16 21:57:19 +00:00
Owen Anderson
4d13de4e3b Cache non-local memory dependence analysis. This is a significant compile 
time performance win in most cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41126 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-16 21:27:05 +00:00
Chris Lattner
fe8e14a6c9 This adds a bunch of static functions that implement unsigned 
two's complement bignum arithmetic.  They could be used to
implement much of APInt, but the idea is they are enough to
implement APFloat as well, which the current APInt interface
is not suited for.

Patch by Neil Booth!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41124 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-16 15:56:55 +00:00
Evan Cheng
a6db2d3df2 Comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41119 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-16 07:25:37 +00:00
Owen Anderson
3d345631db Forgot a line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41115 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-16 00:25:42 +00:00
Owen Anderson
67280e1dd2 Add a copy constructor and an assignment operator to DenseMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41114 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-16 00:18:32 +00:00
Anton Korobeynikov
ebf0303810 Properly use const qualifiers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41111 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-15 21:12:30 +00:00
Devang Patel
4d29ddfa06 No need to use iterator to erase basic block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41074 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-14 16:53:24 +00:00
Evan Cheng
549f27d307 Re-implement trivial rematerialization. This allows def MIs whose live intervals that are coalesced to be rematerialized. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41060 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-13 23:45:17 +00:00
Devang Patel
441c5ee6cf Add methods to erase basic block entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41052 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-13 22:10:29 +00:00
Reid Spencer
276222a5ae Change casts from old style to new style. This helps document the details 
better, gives the compiler a chance to validate the cast and reduces warnings
if the user turns on -Wold-style-cast option.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41033 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-12 08:12:35 +00:00
Evan Cheng
4f8ff168de Code to maintain kill information during register coalescing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41016 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-11 00:59:19 +00:00
Christopher Lamb
8b165731bc Move isSubRegOf into MRegisterInfo. Fix a missed move elimination in LowerSubregs and add more debugging output there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41005 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 21:11:55 +00:00
Devang Patel
6b4af744b8 Do not overuse std::string. Pass around char * directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41001 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 18:29:32 +00:00
Devang Patel
4bc2a0b420 Add utility to clone loops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40997 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 17:59:47 +00:00
Devang Patel
5ae563aaf9 Add #ifndef guard. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40991 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 15:58:23 +00:00
Chris Lattner
942c55bcfe add #ifndef guards 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40990 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 15:53:08 +00:00
Chris Lattner
71996e73d8 add Value::getNameStart/getNameLen() accessors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40989 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 15:34:35 +00:00
Rafael Espindola
594d37e21a propagate struct size and alignment of byval arguments to the DAG 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40986 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 14:44:42 +00:00
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