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29 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
11ebdd61d0 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
d76041cf58 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
b7bb8ab12e Uniformize the way these options are printed. Requested by 
Russell Wallace.

llvm-svn: 96580
 2010-02-18 14:37:52 +00:00
Dan Gohman
bab18cae46 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
d4a670284c Make several variable declarations static. 
llvm-svn: 50696
 2008-05-06 01:53:16 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Bill Wendling
49d6a1169f *** empty log message *** 
llvm-svn: 31789
 2006-11-16 20:11:33 +00:00
Chris Lattner
992020cd59 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
6d121090d3 Final polish on machine pass registries. 
llvm-svn: 29471
 2006-08-02 12:30:23 +00:00
Jim Laskey
f5e160063e 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
b92b14f422 Introducing plugable register allocators and instruction schedulers. 
llvm-svn: 29434
 2006-08-01 14:21:23 +00:00
Jim Laskey
f77eeceeba Working toward registration of register allocators. 
llvm-svn: 29360
 2006-07-27 20:05:00 +00:00
Andrew Lenharth
c1074954fb Reduce number of exported symbols 
llvm-svn: 29220
 2006-07-20 17:28:38 +00:00
Chris Lattner
e3bfc9618d 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
774e55c446 Remove trailing whitespace 
llvm-svn: 21420
 2005-04-21 22:36:52 +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
Chris Lattner
0fbe7e1e60 The default has not been 'simple' for AGES! 
llvm-svn: 15114
 2004-07-22 21:46:02 +00:00
Chris Lattner
767638fe6d Make linear scan the default 
llvm-svn: 15111
 2004-07-22 18:42:00 +00:00
Alkis Evlogimenos
4b4712b58d Put variable name to a separate line. 
llvm-svn: 15108
 2004-07-22 15:30:33 +00:00
Alkis Evlogimenos
717d6cd988 Fit to 80 columns. 
llvm-svn: 15105
 2004-07-22 14:29:31 +00:00
Alkis Evlogimenos
b5f60641f4 Add Iterative scan register allocator. 
llvm-svn: 15068
 2004-07-21 08:24:35 +00:00
Alkis Evlogimenos
75dbcf6d06 Linearscan is no longer experimental. 
llvm-svn: 15067
 2004-07-21 08:18:50 +00:00
Chris Lattner
c014005d53 Fix IA64 compatibility 
llvm-svn: 14866
 2004-07-16 00:06:01 +00:00
Alkis Evlogimenos
c4ad8080f7 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
a8c942c188 finegrainify namespacification 
minor cleanups

llvm-svn: 10619
 2003-12-28 07:59:53 +00:00
Alkis Evlogimenos
6627a32ff9 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
d25f86d683 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
b402729b30 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
a37b58ce09 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