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89 Commits

Author SHA1 Message Date
Chris Lattner 1e5065052a Rewrite the guts of the reassociate pass to be more efficient and logical. Instead 
of trying to do local reassociation tweaks at each level, only process an expression
tree once (at its root).  This does not improve the reassociation pass in any real way.

llvm-svn: 21768
 2005-05-07 21:59:39 +00:00
Chris Lattner cea579932d Convert shifts to muls to assist reassociation. This implements 
Reassociate/shifttest.ll

llvm-svn: 21761
 2005-05-07 04:24:13 +00:00
Chris Lattner f43e974abd Simplify the code and rearrange it. No major functionality changes here. 
llvm-svn: 21759
 2005-05-07 04:08:02 +00:00
Misha Brukman b1c9317bb4 Remove trailing whitespace 
llvm-svn: 21427
 2005-04-21 23:48:37 +00:00
Chris Lattner 531f9e92d4 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
Reid Spencer 7c16caa336 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 2b3387a6d9 Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15328
 2004-07-29 17:05:13 +00:00
Chris Lattner 9a63520b1a Fixes working towards PR341 
llvm-svn: 14839
 2004-07-15 01:50:47 +00:00
Brian Gaeke 163c87fc32 Make this pass use a more specific debug message than "Processing:". 
llvm-svn: 14541
 2004-07-01 19:27:10 +00:00
Chris Lattner 49525f8cf4 Finegrainify namespacification 
llvm-svn: 10725
 2004-01-09 06:02:20 +00:00
Brian Gaeke 960707c335 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
Misha Brukman ad03afcb34 Declare FunctionPasses as such so that they can be used in FunctionPassManager. 
llvm-svn: 9768
 2003-11-07 17:20:18 +00:00
John Criswell 482202a601 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner b94550e537 Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions. 
llvm-svn: 9269
 2003-10-19 21:34:28 +00:00
Chris Lattner f95d9b99b3 Decrease usage of use_size() 
llvm-svn: 9135
 2003-10-15 16:48:29 +00:00
Misha Brukman e051f86a3d Credits now go into the top-level CREDITS.TXT 
llvm-svn: 8662
 2003-09-22 21:57:56 +00:00
Misha Brukman 7eb05a170a Spell `necessary' correctly. 
llvm-svn: 7944
 2003-08-18 14:43:39 +00:00
Chris Lattner 8ac196dd3b Assign arguments different ranks so they get grouped together 
llvm-svn: 7813
 2003-08-13 16:16:26 +00:00
Chris Lattner 98b3ecddec Fix bug: Reassociate/2003-08-12-InfiniteLoop.ll 
llvm-svn: 7792
 2003-08-12 21:45:24 +00:00
Chris Lattner 58c7eb60ec Assign finer grained ranks, make sure to reassociate top-level after reassociating bottom level 
llvm-svn: 7787
 2003-08-12 20:14:27 +00:00
Chris Lattner 8abcd56c74 DEBUG got moved to Support/Debug.h 
llvm-svn: 7492
 2003-08-01 22:15:03 +00:00
Chris Lattner 3666378690 Fix spelling 
llvm-svn: 5983
 2003-05-02 19:26:34 +00:00
Chris Lattner 889f620841 Remove unnecesary &*'s 
llvm-svn: 5872
 2003-04-23 16:37:45 +00:00
Chris Lattner 4869f3700e Rename Instruction::hasSideEffects() -> mayWriteToMemory() 
llvm-svn: 5620
 2003-02-24 20:48:32 +00:00
Chris Lattner 3aa7767352 Fix a huge performance problem in reassociate by introducing a 
rank map cache for instruction ranks

llvm-svn: 5030
 2002-12-15 03:56:00 +00:00
Chris Lattner f96c8befe0 Minor changes: 
* Reword comment to make more clear
  * Don't print out BB's after modification made
  * Don't delete and new an instruction when we need to move something, just move it.

llvm-svn: 5029
 2002-12-15 03:49:50 +00:00
Chris Lattner 8fdf75cde5 Fixes to the reassociate pass to make it respect dominance properties 
Huge thanks go to Casey Carter for writing this fix, reassociate is now
reoperational!

llvm-svn: 4471
 2002-10-31 17:12:59 +00:00
Chris Lattner 820d971233 - Rename AnalysisUsage::preservesAll to getPreservesAll & preservesCFG to 
setPreservesCFG to be less confusing.

llvm-svn: 4255
 2002-10-21 20:00:28 +00:00
Chris Lattner bf3a099a62 Updates to work with recent Statistic's changes: 
* Renamed StatisticReporter.h/cpp to Statistic.h/cpp
    * Broke constructor to take two const char * arguments instead of one, so
      that indendation can be taken care of automatically.
    * Sort the list by pass name when printing
    * Make sure to print all statistics as a group, instead of randomly when
      the statistics dtors are called.
    * Updated ProgrammersManual with new semantics.

llvm-svn: 4002
 2002-10-01 22:38:41 +00:00
Chris Lattner 28a8d2468a Simplify code (somtimes dramatically), by using the new "auto-insert" feature 
of instruction constructors.

llvm-svn: 3656
 2002-09-10 17:04:02 +00:00
Chris Lattner c8b7092e54 * Add support for different "PassType's" 
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
  are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Add support for different "PassType's"
* Add new RegisterOpt/RegisterAnalysis templates for registering passes that
  are to show up in opt or analyze
* Register Analyses now
* Change optimizations to use RegisterOpt instead of RegisterPass
* Remove getPassName implementations from various subclasses

llvm-svn: 3113
 2002-07-26 21:12:46 +00:00
Chris Lattner 10073a9080 *** empty log message *** 
llvm-svn: 3075
 2002-07-25 06:17:51 +00:00
Chris Lattner b28b680155 *** empty log message *** 
llvm-svn: 3016
 2002-07-23 18:06:35 +00:00
Chris Lattner 113f4f4609 MEGAPATCH checkin. 
For details, See: docs/2002-06-25-MegaPatchInfo.txt

llvm-svn: 2779
 2002-06-25 16:13:24 +00:00
Chris Lattner 71cbd42b98 Use the new DEBUG(x) macro to allow debugging code to be enabled on the commandline 
llvm-svn: 2713
 2002-05-22 17:17:27 +00:00
Chris Lattner 7bc532dded * Make debug output conditional on #define 
* Add optimization to rank computation to not recursively search when
  unneccesary.
* More agressively negate expressions to open reassociation opportunities.
* Linearize (A+B)+(C+D) into ((A+B)+C)+D

llvm-svn: 2637
 2002-05-16 04:37:07 +00:00
Chris Lattner 0b18c1d64e Add support for printing out statistics information when -stats is added to 
the command line

llvm-svn: 2601
 2002-05-10 15:38:35 +00:00
Chris Lattner 6bd7ac6205 Give the longer name to the instruction that will probably be eliminated later 
llvm-svn: 2581
 2002-05-09 20:11:23 +00:00
Chris Lattner c0f5800678 Initial checkin of expression reassociation pass 
llvm-svn: 2559
 2002-05-08 22:19:27 +00:00