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Author SHA1 Message Date
Chris Lattner
c7042b310c Ok, the "fix" for this is to do a real associative container. Symbol tables 
are ordered by name, not by slot, so the previous solution wasn't any good.
On a large testcase, this reduces time to parse from 2.17s to 1.58s.

llvm-svn: 9002
 2003-10-10 05:43:47 +00:00
Chris Lattner
216f9ee1fb Add documentation for weak variables 
llvm-svn: 9001
 2003-10-10 05:01:39 +00:00
Chris Lattner
991fdc030c Add support for the weak linkage specifier 
llvm-svn: 9000
 2003-10-10 04:56:26 +00:00
Chris Lattner
62b99977f6 new testcase. globaldce should not delete the global 
llvm-svn: 8999
 2003-10-10 04:54:23 +00:00
Chris Lattner
269b0c1d79 Accept 'weak' as a linkage type. For now, just turn it into linkonce linkage 
llvm-svn: 8998
 2003-10-10 04:54:02 +00:00
Chris Lattner
8152d183d2 New testcase 
llvm-svn: 8997
 2003-10-10 04:05:29 +00:00
Chris Lattner
e4012123b6 Add better checking 
llvm-svn: 8996
 2003-10-10 03:56:01 +00:00
John Criswell
3b63013cd0 Added the eon and perlbmk benchmarks. 
llvm-svn: 8995
 2003-10-10 01:11:54 +00:00
Chris Lattner
3fd3ddbd2d Another 10% performance improvement by not using replaceAllUsesWith 
llvm-svn: 8994
 2003-10-09 23:10:14 +00:00
Chris Lattner
b8883ea999 Reserve space for PHI nodes when we read them in. This provides a VERY 
tasty 15% speedup on the testcase from Bill.

llvm-svn: 8993
 2003-10-09 22:46:58 +00:00
Chris Lattner
b6367d9414 Add a method to reserve space for operands 
llvm-svn: 8992
 2003-10-09 22:45:59 +00:00
Chris Lattner
7467b5ff4e Use the version of getValue that takes the type plane instead of the type 
if possible.  This provides a consistent 8.5% speedup.

llvm-svn: 8991
 2003-10-09 22:39:30 +00:00
Chris Lattner
85f5b18995 Pass a vector around to reduce dynamic allocation 
Throw the RawInst class in an anon namespace

llvm-svn: 8990
 2003-10-09 20:45:42 +00:00
Chris Lattner
b876f55b76 Kill warning when compiling in optimized mode 
llvm-svn: 8989
 2003-10-09 20:43:55 +00:00
Chris Lattner
36f2dcd3d5 Change getConstantValue to throw an exception on error, not return null 
llvm-svn: 8988
 2003-10-09 20:41:16 +00:00
Chris Lattner
8e6b42c567 Make getContainedType more efficient by not returning null if out of range! 
llvm-svn: 8987
 2003-10-09 20:35:15 +00:00
Chris Lattner
01d8fd6a3b Do not read past the end of the contained type list 
llvm-svn: 8986
 2003-10-09 20:31:18 +00:00
Chris Lattner
c0abb16551 Remove potentially N^2 algorithm from symbol table reader. No speedup 
in practice though

llvm-svn: 8985
 2003-10-09 20:30:04 +00:00
Chris Lattner
8f99fbb02c Major refactoring of the bytecode reader. This includes the following 
changes:
  * BytecodeReader::getType(...) used to return a null pointer
    on error.  This was only checked about half the time.  Now we convert
    it to throw an exception, and delete the half that checked for error.
    This was checked in before, but psmith crashed and lost the change :(
  * insertValue no longer returns -1 on error, so callers don't need to
    check for it.
  * Substantial rewrite of InstructionReader.cpp, to use more efficient,
    simpler, data structures.  This provides another 5% speedup.  This also
    makes the code much easier to read and understand.

llvm-svn: 8984
 2003-10-09 20:22:47 +00:00
Chris Lattner
4eb71c8940 Significantly clean up parsing of instructions. This exceptionizes and 
simplifies the control flow a bit.  This provides a small (~3%) speedup,
but it's primarily a cleanup exercise.

llvm-svn: 8983
 2003-10-09 18:25:19 +00:00
Chris Lattner
bdf6a7ae06 Include the new docs directory, whenever it gets added. www is gone 
llvm-svn: 8982
 2003-10-09 16:10:15 +00:00
John Criswell
a43819053c Added 177.mesa to the list of Makefiles to propogate to the object root. 
llvm-svn: 8981
 2003-10-09 15:44:28 +00:00
Chris Lattner
c527ed77b8 Eliminate the instruction placeholder. Simplify a bunch of code. 
This results in no significant speedup, but does provide simpler code

llvm-svn: 8980
 2003-10-09 06:14:26 +00:00
Chris Lattner
6f7b5bd63f Eliminate the old LateResolveValues data structure, replacing it with a 
new, simpler, ForwardReferences data structure.  This is just the first
simple replacement, subsequent changes will improve the code more.

This simple change improves the performance of loading a file from HDF5
(contributed by Bill) from 2.36s to 1.93s, a 22% improvement.  This
presumably has to do with the fact that we only create ONE placeholder for
a particular forward referenced values, and also may be because the data
structure is much simpler.

llvm-svn: 8979
 2003-10-09 06:05:40 +00:00
Chris Lattner
3b7b192b6a Remove a dead method 
llvm-svn: 8978
 2003-10-09 05:25:34 +00:00
Chris Lattner
55e1c2edfb This patch substantially simplifies and cleans up handling of basic blocks 
in the bytecode parser.  Before we tried to shoehorn basic blocks into the
"getValue" code path with other types of values.  For a variety of reasons
this was a bad idea, so this patch separates it out into its own data structure.

This simplifies the code, makes it fit in 80 columns, and is also much faster.
In a testcase provided by Bill, which has lots of PHI nodes, this patch speeds
up bytecode parsing from taking 6.9s to taking 2.32s.  More speedups to
follow later.

llvm-svn: 8977
 2003-10-08 22:52:54 +00:00
Chris Lattner
c920c81739 Inline the postResolveValues method. It was poorly named anyway 
llvm-svn: 8976
 2003-10-08 21:51:46 +00:00
Brian Gaeke
58114a907c test/Programs/NoSource and www are gone from the tree; don't try to configure 
their Makefiles.

llvm-svn: 8975
 2003-10-08 21:48:26 +00:00
Brian Gaeke
730c899b43 Use 3-arg form of AC_DEFINE. 
llvm-svn: 8974
 2003-10-08 21:45:58 +00:00
Brian Gaeke
766a1fe79d Use 3-arg form of AC_DEFINE. 
Check for strsignal(), which isn't found everywhere, and sys_siglist,
 which can be used to implement it.

llvm-svn: 8973
 2003-10-08 21:44:07 +00:00
Brian Gaeke
481aaf411f I really meant to use that AUTOHEADER variable I put in there. 
llvm-svn: 8972
 2003-10-08 21:38:35 +00:00
Chris Lattner
a7d6d16c13 Various cleanups and simplifications. This speeds up reading a bytecode file 
Bill gave me from 8.69s to 6.90s.

llvm-svn: 8971
 2003-10-08 21:18:57 +00:00
Misha Brukman
7b758ed3b5 Destroy allocated resources on exception. 
llvm-svn: 8969
 2003-10-08 19:55:47 +00:00
Brian Gaeke
66d8a200cf Make more error messages have gccld's name in them. 
Add a newline after "Cannot find <library>".

llvm-svn: 8968
 2003-10-08 19:09:30 +00:00
Chris Lattner
c9222aa60a old testcase 
llvm-svn: 8967
 2003-10-08 18:28:10 +00:00
Chris Lattner
aca333bd44 Checkin an old bug, which appears to be fixed 
llvm-svn: 8966
 2003-10-08 18:26:10 +00:00
Chris Lattner
bf95cc12a3 Update comment 
llvm-svn: 8965
 2003-10-08 16:56:11 +00:00
Chris Lattner
9cece85acb Use a set to keep track of which edges have been noticed as executable already 
to avoid reprocessing PHI nodes needlessly.  This speeds up the big bad PHI
testcase 43%: from 104.9826 to 73.5157s

llvm-svn: 8964
 2003-10-08 16:55:34 +00:00
Chris Lattner
251ff679ce Minor fixes here and there 
llvm-svn: 8963
 2003-10-08 16:21:03 +00:00
Chris Lattner
36960b263b Avoid building data structures we don't really need. This improves the runtime 
of a test that Bill Wendling sent me from 228.5s to 105s.  Obviously there is
more improvement to be had, but this is a nice speedup which should be "felt"
by many programs.

llvm-svn: 8962
 2003-10-08 15:47:41 +00:00
Chris Lattner
116ee26d36 Convert over to short bug URLs 
llvm-svn: 8961
 2003-10-08 06:01:38 +00:00
Alkis Evlogimenos
74568bc9d4 Change MRegisterDesc::AliasSet, TargetInstrDescriptor::ImplicitDefs 
and TargetInstrDescriptor::ImplicitUses to always point to a null
terminated array and never be null. So there is no need to check for
pointer validity when iterating over those sets. Code that looked
like:

if (const unsigned* AS = TID.ImplicitDefs) {
  for (int i = 0; AS[i]; ++i) {
    // use AS[i]
  }
}

was changed to:

for (const unsigned* AS = TID.ImplicitDefs; *AS; ++AS) {
  // use *AS
}

llvm-svn: 8960
 2003-10-08 05:20:08 +00:00
Alkis Evlogimenos
a9f403d226 Properly close anchor tags in column descriptions 
llvm-svn: 8959
 2003-10-08 05:09:52 +00:00
Alkis Evlogimenos
33a498f90c Forward declare class Type since it is used in this class and Type.h is not included 
llvm-svn: 8958
 2003-10-08 04:45:45 +00:00
Brian Gaeke
c7b7956e94 Add rule for regenerating config.h.in using autoheader. 
llvm-svn: 8957
 2003-10-07 23:44:10 +00:00
Brian Gaeke
f8bed70df3 Regenerated with (at top-level llvm directory): 
% autoheader -I autoconf autoconf/configure.ac

llvm-svn: 8956
 2003-10-07 23:39:51 +00:00
Chris Lattner
16b7ed1eaa whoops, don't accidentally lose variable names 
llvm-svn: 8955
 2003-10-07 22:58:41 +00:00
Chris Lattner
f507e6e58e Fix bug: InstCombine/cast.ll:test11 / PR#7 
llvm-svn: 8954
 2003-10-07 22:54:13 +00:00
Chris Lattner
7c1203fedb new testcase 
llvm-svn: 8953
 2003-10-07 22:53:46 +00:00
Chris Lattner
e8b656a62f Refactor code a bit 
llvm-svn: 8952
 2003-10-07 22:32:43 +00:00