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29 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen 4029596f93 Use the fast register allocator by default for -O0 builds. 
This affects both llvm-gcc and clang.

llvm-svn: 105372
 2010-06-03 00:39:06 +00:00
Jakob Stoklund Olesen b613ae2c89 Add a -regalloc=default option that chooses a register allocator based on the -O 
optimization level.

This only really affects llc for now because both the llvm-gcc and clang front
ends override the default register allocator. I intend to remove that code later.

llvm-svn: 104904
 2010-05-27 23:57:25 +00:00
Duncan Sands 3d928db087 Uniformize the way these options are printed. Requested by 
Russell Wallace.

llvm-svn: 96580
 2010-02-18 14:37:52 +00:00
Dan Gohman d78c400b5b Clean up the use of static and anonymous namespaces. This turned up 
several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017
 2008-05-13 00:00:25 +00:00
Dan Gohman 6a2da37c0e Make several variable declarations static. 
llvm-svn: 50696
 2008-05-06 01:53:16 +00:00
Chris Lattner f3ebc3f3d2 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Bill Wendling 8969ebca44 *** empty log message *** 
llvm-svn: 31789
 2006-11-16 20:11:33 +00:00
Chris Lattner 6efe304ec8 Work around a bug in gcc 3.3.5, reported by a user 
llvm-svn: 29489
 2006-08-03 00:16:56 +00:00
Jim Laskey 29e635d3c9 Final polish on machine pass registries. 
llvm-svn: 29471
 2006-08-02 12:30:23 +00:00
Jim Laskey 03593f72db 1. Change use of "Cache" to "Default". 
2. Added argument to instruction scheduler creators so the creators can do
special things.
3. Repaired target hazard code.
4. Misc.

More to follow.

llvm-svn: 29450
 2006-08-01 18:29:48 +00:00
Jim Laskey 95eda5b1f3 Introducing plugable register allocators and instruction schedulers. 
llvm-svn: 29434
 2006-08-01 14:21:23 +00:00
Jim Laskey d1a714e503 Working toward registration of register allocators. 
llvm-svn: 29360
 2006-07-27 20:05:00 +00:00
Andrew Lenharth c496b418b5 Reduce number of exported symbols 
llvm-svn: 29220
 2006-07-20 17:28:38 +00:00
Chris Lattner 476b8ddd55 Alkis agrees that that iterative scan allocator isn't going to be worked on 
in the future, remove it.

llvm-svn: 23952
 2005-10-24 04:14:30 +00:00
Misha Brukman 835702a094 Remove trailing whitespace 
llvm-svn: 21420
 2005-04-21 22:36:52 +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
Chris Lattner 8799dd9e2e The default has not been 'simple' for AGES! 
llvm-svn: 15114
 2004-07-22 21:46:02 +00:00
Chris Lattner 68426e5ba6 Make linear scan the default 
llvm-svn: 15111
 2004-07-22 18:42:00 +00:00
Alkis Evlogimenos c73b76a0a8 Put variable name to a separate line. 
llvm-svn: 15108
 2004-07-22 15:30:33 +00:00
Alkis Evlogimenos 52cff0adf0 Fit to 80 columns. 
llvm-svn: 15105
 2004-07-22 14:29:31 +00:00
Alkis Evlogimenos d524e5bdf2 Add Iterative scan register allocator. 
llvm-svn: 15068
 2004-07-21 08:24:35 +00:00
Alkis Evlogimenos c03ccc225b Linearscan is no longer experimental. 
llvm-svn: 15067
 2004-07-21 08:18:50 +00:00
Chris Lattner 34afafc190 Fix IA64 compatibility 
llvm-svn: 14866
 2004-07-16 00:06:01 +00:00
Alkis Evlogimenos 31953c7a10 Add a spiller option to llc. A simple spiller will come soon. When we get CFG in the machine code represenation a global spiller will also be possible. Also document the linear scan register allocator but mark it as experimental for now. 
llvm-svn: 12062
 2004-03-01 23:18:15 +00:00
Chris Lattner 27dd64242b finegrainify namespacification 
minor cleanups

llvm-svn: 10619
 2003-12-28 07:59:53 +00:00
Alkis Evlogimenos 0e9ded74c0 Merging the linear scan register allocator in trunk. It currently passes most tests under test/Programs/SingleSource/Benchmarks/Shootout so development will continue on trunk. The allocator is not enabled by default. You will need to pass -regallo=linearscan to lli or llc to use it. 
llvm-svn: 10103
 2003-11-20 03:32:25 +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
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
Alkis Evlogimenos 5facafaabe Moved enum and command-line option in separate file. Also added function that returns the user selected register allocator to the caller. 
llvm-svn: 8819
 2003-10-02 16:57:49 +00:00