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208 Commits

Author SHA1 Message Date
Andrew Lenharth
1ffbe58972 a few more comments on the interfaces and functions 
llvm-svn: 24500
 2005-11-28 18:10:59 +00:00
Andrew Lenharth
cad1d52b64 Added documented rsprofiler interface. Also remove new profiler passes, the 
old ones have been updated to implement the interface.

llvm-svn: 24499
 2005-11-28 18:00:38 +00:00
Jeff Cohen
b171dee053 Fix VC++ warning. 
llvm-svn: 24496
 2005-11-28 06:45:57 +00:00
Andrew Lenharth
311ec68cf4 Random sampling (aka Arnold and Ryder) profiling. This is still preliminary, but it works on spec on x86 and alpha. The idea is to allow profiling passes to remember what profiling they inserted, then a random sampling framework is inserted which consists of duplicated basic blocks (without profiling), such that at each backedge in the program and entry into every function, the framework chooses whether to use the instrumented code or the instrumentation free code. The goal of such a framework is to make it reasonably cheap to do random sampling of very expensive profiling products (such as load-value profiling). 
The code is organized into 3 parts (2 passes)
1) a linked set of profiling passes, which implement an analysis group (linked, like alias analysis are).  These insert profiling into the program, and remember what they inserted, so that at a later time they can be queried about any instruction.

2) a pass that handles inserting the random sampling framework.  This also has options to control how random samples are choosen.  Currently implemented are Global counters, register allocated global counters, and read cycle counter (see? there was a reason for it).

The profiling passes are almost identical to the existing ones (block, function, and null profiling is supported right now), and they are valid passes without the sampling framework (hence the existing passes can be unified with the new ones, not done yet).

Some things are a bit ugly still, but that should be fixed up soon enough.

Other todo? making the counter values not "magic 2^16 -1" values, but dynamically choosable.

llvm-svn: 24493
 2005-11-28 00:58:09 +00:00
Chris Lattner
949f205c4c Remove some beta code that no longer has an owner. 
llvm-svn: 23944
 2005-10-24 02:32:41 +00:00
Chris Lattner
79a1a2af13 Do not build the ProfilePaths directory anymore 
llvm-svn: 23943
 2005-10-24 02:31:49 +00:00
Chris Lattner
e6f7a38925 DONT_BUILD_RELINKED is gone and implied by BUILD_ARCHIVE now 
llvm-svn: 23940
 2005-10-24 02:26:13 +00:00
Chris Lattner
a4b13acd52 Only build .a file versions of these libraries, instead of .a and .o versions. 
This should speed up build times.

llvm-svn: 23933
 2005-10-24 01:59:48 +00:00
Jeff Cohen
a38c737e85 When a function takes a variable number of pointer arguments, with a zero 
pointer marking the end of the list, the zero *must* be cast to the pointer
type.  An un-cast zero is a 32-bit int, and at least on x86_64, gcc will
not extend the zero to 64 bits, thus allowing the upper 32 bits to be
random junk.

The new END_WITH_NULL macro may be used to annotate a such a function
so that GCC (version 4 or newer) will detect the use of un-casted zero
at compile time.

llvm-svn: 23888
 2005-10-23 04:37:20 +00:00
Jeff Cohen
6c42217055 Eliminate tabs and trailing spaces 
llvm-svn: 21480
 2005-04-23 21:38:35 +00:00
Misha Brukman
53e199440e Remove trailing whitespace 
llvm-svn: 21427
 2005-04-21 23:48:37 +00:00
Chris Lattner
4b688a1c70 This mega patch converts us from using Function::a{iterator|begin|end} to 
using Function::arg_{iterator|begin|end}.  Likewise Module::g* -> Module::global_*.

This patch is contributed by Gabor Greif, thanks!

llvm-svn: 20597
 2005-03-15 04:54:21 +00:00
Alkis Evlogimenos
eb6bfe9cee Add a dependency to the trace library so that it gets pulled in 
automatically.

llvm-svn: 19828
 2005-01-25 16:23:57 +00:00
Misha Brukman
22df7f894f Convert tabs to spaces 
llvm-svn: 19320
 2005-01-07 07:05:34 +00:00
Jeff Cohen
c07c54f5b4 Add missing createXxxPass functions 
llvm-svn: 19319
 2005-01-07 06:57:28 +00:00
Jeff Cohen
79dc6715bb Add missing include 
llvm-svn: 19315
 2005-01-07 05:42:13 +00:00
Jeff Cohen
a8574e28a3 Add missing include 
llvm-svn: 19305
 2005-01-06 05:46:44 +00:00
Brian Gaeke
ca2d45f5c1 Fix link error in PPC optimized build of 'opt'. 
llvm-svn: 18913
 2004-12-13 21:28:39 +00:00
Chris Lattner
8ecbc96420 Add support for compilers without argument dependent name lookup, contributed 
by Bjørn Wennberg

llvm-svn: 18627
 2004-12-08 16:12:20 +00:00
Chris Lattner
2f52add966 Remove unneeded class qualifier, contributed by Bjørn Wennberg 
llvm-svn: 18625
 2004-12-08 16:05:02 +00:00
Chris Lattner
a973b1a1a4 CPR is dead. 
llvm-svn: 17992
 2004-11-19 16:24:57 +00:00
Chris Lattner
b5ff07e46e Remove dead vars 
llvm-svn: 17482
 2004-11-05 04:46:22 +00:00
Reid Spencer
d3f7233495 Change Library Names Not To Conflict With Others When Installed 
llvm-svn: 17286
 2004-10-27 23:18:45 +00:00
Reid Spencer
e48ba34fd4 We won't use automake 
llvm-svn: 17155
 2004-10-22 03:35:04 +00:00
Brian Gaeke
71ff3efdd5 Explain what this pass does. 
llvm-svn: 17146
 2004-10-20 19:38:58 +00:00
Reid Spencer
ce514b1c2c Initial automake generated Makefile template 
llvm-svn: 17136
 2004-10-18 23:55:41 +00:00
Reid Spencer
2b5cfe8be8 Correction to allow compilation with Visual C++. 
Patch contributed by Morten Ofstad. Thanks Morten!

llvm-svn: 17123
 2004-10-18 14:38:48 +00:00
Reid Spencer
e6418ec30f Update to reflect changes in Makefile rules. 
llvm-svn: 16950
 2004-10-13 11:46:52 +00:00
Reid Spencer
1b7459b29d Initial version of automake Makefile.am file. 
llvm-svn: 16893
 2004-10-10 22:20:40 +00:00
Brian Gaeke
ab7dd80200 Add accessor function. 
llvm-svn: 16622
 2004-09-30 20:14:29 +00:00
Brian Gaeke
65540b3e58 Correct type of accessor functions. 
llvm-svn: 16621
 2004-09-30 20:14:18 +00:00
Brian Gaeke
90a286872c Namespacify. Add accessor function. 
llvm-svn: 16620
 2004-09-30 20:14:07 +00:00
Chris Lattner
43c0372c0b 'Pass' should now not be derived from by clients. Instead, they should derive 
from ModulePass.  Instead of implementing Pass::run, then should implement
ModulePass::runOnModule.

llvm-svn: 16436
 2004-09-20 04:48:05 +00:00
Reid Spencer
c4abcbefb1 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.

llvm-svn: 16137
 2004-09-01 22:55:40 +00:00
Misha Brukman
58104df77b Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15334
 2004-07-29 17:30:56 +00:00
Brian Gaeke
f18cdca667 These files don't need to include <iostream> since they include "Support/Debug.h". 
llvm-svn: 15089
 2004-07-21 20:50:33 +00:00
Reid Spencer
7f33869f9b bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage

llvm-svn: 14953
 2004-07-18 00:44:37 +00:00
Reid Spencer
50ec3f9325 Add #include <iostream> since Value.h does not #include it any more. 
llvm-svn: 14622
 2004-07-04 12:19:56 +00:00
Vikram S. Adve
5ad9c7dd34 Restoring this file. 
llvm-svn: 14478
 2004-06-29 14:20:27 +00:00
Vikram S. Adve
be2d02dd92 This file is unused, and duplicates functionality in TraceValues.cpp. 
llvm-svn: 14369
 2004-06-24 20:16:22 +00:00
Brian Gaeke
68eb7345df Expand head-of-file comment. 
llvm-svn: 13982
 2004-06-03 05:03:02 +00:00
Brian Gaeke
56ae0e9023 Use new form of unconditional branch constructor. 
llvm-svn: 13930
 2004-06-01 20:06:10 +00:00
Brian Gaeke
b41b628afd Clean up this pass somewhat: 
Add better comments, including a better head-of-file comment.
Prune #includes.
Fix a FIXME that Chris put here by using doInitialization().
Use DEBUG() to print out debug msgs.
Give names to basic blocks inserted by this pass.
Expand tabs.
Use InsertProfilingInitCall() from ProfilingUtils to insert the initialize call.

llvm-svn: 13581
 2004-05-14 21:21:52 +00:00
Brian Gaeke
a5b32230db Fix typo 
llvm-svn: 13340
 2004-05-03 23:52:07 +00:00
Brian Gaeke
dcfc3c580e In InsertProfilingInitCall(), make it legal to pass in a null array, in 
which case you'll get a null array and zero passed to the profiling function.

llvm-svn: 13336
 2004-05-03 22:06:33 +00:00
Brian Gaeke
c8cd0e9092 Add initial implementation of basic-block tracing instrumentation pass. 
llvm-svn: 13335
 2004-05-03 22:06:32 +00:00
Chris Lattner
9236135e8f Support getelementptr instructions which use uint's to index into structure 
types and can have arbitrary 32- and 64-bit integer types indexing into
sequential types.

llvm-svn: 12653
 2004-04-05 01:30:19 +00:00
Brian Gaeke
59c80cfd05 Start cleaning up this pass so that I can debug it. 
llvm-svn: 12548
 2004-03-30 19:53:46 +00:00
Chris Lattner
01062fb636 Initial support for edge profiling 
llvm-svn: 12225
 2004-03-08 17:54:34 +00:00
Chris Lattner
d40842737b Split utility functions out of BlockProfiling.cpp 
llvm-svn: 12224
 2004-03-08 17:06:13 +00:00