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21 Commits

Author SHA1 Message Date
Chris Lattner ae09d93b35 Update these register allocators to set the PhysRegUsed info in MachineFunction. 
llvm-svn: 19791
 2005-01-23 22:45:13 +00:00
Chris Lattner 78100c41ca Silence VS warnings 
llvm-svn: 19385
 2005-01-08 19:53:50 +00:00
Chris Lattner e09dbe2732 Move virtual method call out of loop 
llvm-svn: 18955
 2004-12-15 07:04:32 +00:00
Chris Lattner a51f5eeac1 Rename some methods, use 'begin' instead of 'start', add new LiveInterval 
iterator/begin/end members.

llvm-svn: 17930
 2004-11-18 01:29:39 +00:00
Alkis Evlogimenos 9f82237f4e Change the way we choose a free register: instead of picking the first 
free allocatable register, we prefer the a free one with the most uses
of inactive intervals.

llvm-svn: 16148
 2004-09-02 21:24:33 +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
Alkis Evlogimenos fae8f6a4fb Be a bit more efficient when processing the active and inactive 
lists. Instead of scanning the vector backwards, scan it forward and
swap each element we want to erase. Then at the end erase all removed
intervals at once. This doesn't save much: 0.08s out of 4s when
compiling 176.gcc.

llvm-svn: 16136
 2004-09-01 22:52:29 +00:00
Alkis Evlogimenos e2d962e0fd Now that LiveIntervals::addIntervalsForSpills is fixed, do not require 
LiveVariables.

llvm-svn: 16076
 2004-08-27 19:00:29 +00:00
Alkis Evlogimenos efd40bce75 Back out this change as it broke the build last night. This should be 
investicated further as the linearscan variants don't really need
LiveVariables...

llvm-svn: 16074
 2004-08-27 18:01:21 +00:00
Alkis Evlogimenos 11f0fc8eda The linear scan variants do not require the LiveVariables analysis. 
llvm-svn: 16071
 2004-08-27 04:51:13 +00:00
Alkis Evlogimenos a698308cce Convert indentation to 2 spaces. 
llvm-svn: 15489
 2004-08-04 09:46:26 +00:00
Alkis Evlogimenos cf72e7f854 Change std::map<unsigned, LiveInterval*> into a std::map<unsigned, 
LiveInterval>. This saves some space and removes the pointer
indirection caused by following the pointer.

llvm-svn: 15167
 2004-07-24 11:44:15 +00:00
Chris Lattner c51866a20e Completely eliminate the intervals_ list. instead, the r2iMap_ maintains 
ownership of the intervals.

llvm-svn: 15155
 2004-07-24 03:32:06 +00:00
Chris Lattner 856383326a Rename LiveIntervals.(cpp|h) -> LiveIntervalAnalysis.(cpp|h) 
llvm-svn: 15135
 2004-07-23 17:56:30 +00:00
Alkis Evlogimenos 120187935d Use reverse iterators when updating the vector, since scanning from 
the end will reduce erase() runtimes.

llvm-svn: 15093
 2004-07-22 02:16:53 +00:00
Brian Gaeke 902dcf0729 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
Alkis Evlogimenos c74c7d1101 Fix analysis name. 
llvm-svn: 15078
 2004-07-21 17:23:44 +00:00
Alkis Evlogimenos 701071a144 Clear spilled list at once. Remove unused vector. 
llvm-svn: 15073
 2004-07-21 12:00:10 +00:00
Alkis Evlogimenos a3efc03731 Change std::list into a std::vector for IntervalSets. This reduces 
compile time for 176.gcc from 5.6 secs to 4.7 secs.

llvm-svn: 15072
 2004-07-21 09:46:55 +00:00
Alkis Evlogimenos fbc436bbce Improve file comment. 
llvm-svn: 15069
 2004-07-21 08:28:39 +00:00
Alkis Evlogimenos d524e5bdf2 Add Iterative scan register allocator. 
llvm-svn: 15068
 2004-07-21 08:24:35 +00:00