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26558 Commits

Author SHA1 Message Date
Chris Lattner c754b0a37f If a cycle exists, don't succeed building the second time around. 
llvm-svn: 30076
 2006-09-04 01:49:10 +00:00
Chris Lattner dcd72422fd remove message 
llvm-svn: 30075
 2006-09-04 01:48:32 +00:00
Chris Lattner de54ffc225 Rearrange library linkage order. 
llvm-svn: 30074
 2006-09-04 01:02:25 +00:00
Chris Lattner 9183d57c37 Eliminate target name. 
llvm-svn: 30071
 2006-09-03 18:44:26 +00:00
Chris Lattner 0fc4541c67 Simplify target construction. 
llvm-svn: 30070
 2006-09-03 18:44:02 +00:00
Chris Lattner 2ecd34e869 Remove use of target::getName() 
llvm-svn: 30069
 2006-09-03 18:38:30 +00:00
Chris Lattner ad36544457 eliminate use of TM.getName() 
llvm-svn: 30068
 2006-09-03 18:37:12 +00:00
Rafael Espindola 5328ba96e1 add the SETULT condition code 
llvm-svn: 30067
 2006-09-03 13:19:16 +00:00
Chris Lattner 8584e940b8 Avoid beating on the mi2i map when we know the answer already. 
llvm-svn: 30066
 2006-09-03 08:07:11 +00:00
Chris Lattner 774785a79d minor speedup 
llvm-svn: 30065
 2006-09-03 07:53:50 +00:00
Chris Lattner 7cc20d418b Fix Regression/CodeGen/Generic/2006-09-02-LocalAllocCrash.ll on X86. 
Just because an alias of a register is available, it doesn't mean that we
can arbitrarily evict the register.

llvm-svn: 30064
 2006-09-03 07:15:37 +00:00
Chris Lattner 798e9658d7 Testcase (distilled from crafty) that crashed the local RA on X86. 
llvm-svn: 30063
 2006-09-03 07:14:47 +00:00
Chris Lattner bd79458b0e When deleting a machine instruction, make sure to remove it from the 
livevariables information.  This fixes several regalloc=local failures on x86

llvm-svn: 30062
 2006-09-03 00:06:08 +00:00
Chris Lattner f8f724a2b1 Move two methods out of line, make them work when the record for a machine 
instruction includes physregs.

llvm-svn: 30061
 2006-09-03 00:05:09 +00:00
Chris Lattner 5e02f4e141 Count the time for a pass to ReleaseMemory against that pass. Not doing this 
was under accounting for the time that livevariables cost

llvm-svn: 30060
 2006-09-02 23:09:24 +00:00
Owen Anderson bcb301c4a2 Make this testcase actually recursive. I accidentally committed the wrong copy last time. 
llvm-svn: 30059
 2006-09-02 22:46:58 +00:00
Chris Lattner 5aca72aecc Fix a typo pointed out by Gabor 
llvm-svn: 30058
 2006-09-02 22:27:29 +00:00
Owen Anderson 19b80e76df Make ArgumentPromotion handle recursive functions that pass pointers in their recursive calls. 
llvm-svn: 30057
 2006-09-02 21:19:44 +00:00
Rafael Espindola c585b6919b add more condition codes 
llvm-svn: 30056
 2006-09-02 20:24:25 +00:00
Nick Lewycky 8e5599354a Improve handling of SelectInst. 
Reorder operations to remove duplicated work.
Fix to leave floating-point types out of the optimization.
Add tests to predsimplify.ll for SwitchInst and SelectInst handling.

llvm-svn: 30055
 2006-09-02 19:40:38 +00:00
Chris Lattner f2ce949ae9 improve compat with certain versions of GCC (on cygwin?) 
llvm-svn: 30054
 2006-09-02 17:37:30 +00:00
Chris Lattner bc1a280eae add a prototype 
llvm-svn: 30051
 2006-09-02 05:37:53 +00:00
Chris Lattner 75742e532a Iteration is required for some cases, even if they don't occur in crafty. 
Restore it, which re-fixes X86/2006-08-21-ExtraMovInst.ll

llvm-svn: 30050
 2006-09-02 05:32:53 +00:00
Chris Lattner 5a56d30906 When joining two intervals where the RHS is really simple, use a light-weight 
method for joining the live ranges instead of the fully-general one.

llvm-svn: 30049
 2006-09-02 05:26:59 +00:00
Chris Lattner 7907ad8472 new method 
llvm-svn: 30048
 2006-09-02 05:26:01 +00:00
Evan Cheng 1f15185cbc Another "cyclic DAG" test case. 
llvm-svn: 30043
 2006-09-01 23:50:17 +00:00
Evan Cheng 2c4e0f120f Oops. Bad typo. Without the check of N1.hasOneUse() bad things can happen. 
Suppose the TokenFactor can reach the Op:

       [Load chain]
           ^
           |
         [Load]
         ^    ^
         |    |
        /      \-
       /         |
      /          [Op]
     /          ^ ^
     |        ..  |
     |       /    |
   [TokenFactor]  |
       ^          |
       |          |
        \        /
         \      /
         [Store]

If we move the Load below the TokenFactor, we would have created a cycle in
the DAG.

llvm-svn: 30040
 2006-09-01 22:52:28 +00:00
Chris Lattner bad9d2ee49 Use a couple of multiclass patterns to factor some integer ops. 
llvm-svn: 30039
 2006-09-01 22:28:02 +00:00
Chris Lattner 38e6d1d5af remove a bunch of comments 
llvm-svn: 30038
 2006-09-01 22:16:22 +00:00
Chris Lattner 70fd01a1b8 Make sure to clear CurDefmPrefix = 0, otherwise stuff after a defm won't 
parse right.  This fixes TableGen/MultiClass.td

llvm-svn: 30037
 2006-09-01 22:07:27 +00:00
Chris Lattner 315f02a6e5 Make this harder 
llvm-svn: 30036
 2006-09-01 22:07:00 +00:00
Chris Lattner 28368120a5 Fix a typo Jim pointed out, thanks! 
llvm-svn: 30035
 2006-09-01 22:01:36 +00:00
Chris Lattner c05fac8b83 fix an assertion with multidefs. Def inside of multiclasses don't need to 
be complete.

llvm-svn: 30034
 2006-09-01 21:59:03 +00:00
Bill Wendling d81797beca Fixed formatting problem. 
llvm-svn: 30033
 2006-09-01 21:47:10 +00:00
Chris Lattner b5b0c1ae65 document !strconcat 
llvm-svn: 30032
 2006-09-01 21:46:01 +00:00
Bill Wendling 00c5aecb74 Added documentation Fernando Magno Quintao Pereira wrote for the register 
allocator. (First draft)

llvm-svn: 30031
 2006-09-01 21:46:00 +00:00
Chris Lattner f01a85bdf2 Document multiclasses and defm's 
llvm-svn: 30030
 2006-09-01 21:44:18 +00:00
Chris Lattner aec1af2239 regenerate 
llvm-svn: 30029
 2006-09-01 21:14:42 +00:00
Chris Lattner 4b975e8eea simple multiclass example 
llvm-svn: 30028
 2006-09-01 21:14:37 +00:00
Chris Lattner 66b7235877 Add often-requested support for defining "multiclasses" which can be instantiated. 
This allows you to define multiple definitions with one line, encouraging
more .td file factoring.

llvm-svn: 30027
 2006-09-01 21:13:49 +00:00
Anton Korobeynikov 6c6a70f999 - Fixed broken Win32 build 
- Removed warning about clobbered parameter in Bytecode/Reader

llvm-svn: 30026
 2006-09-01 20:35:17 +00:00
Evan Cheng 88c268b621 Remove extra spaces. 
llvm-svn: 30025
 2006-09-01 18:45:22 +00:00
Evan Cheng 31c99969a9 Last check-in was a mistake... 
I've been told apple gcc version number is not guaranteed to increase
monotonically. Change the preprocess condition to make it less risky.

The configuration change is done during the middle 10.4 life cycle so we have
to check __APPLE_CC. For future OS X release, we should be able to assume
-fenable-cxa-atexit is the default.

llvm-svn: 30024
 2006-09-01 18:42:59 +00:00
Evan Cheng d176cdf76d *** empty log message *** 
llvm-svn: 30023
 2006-09-01 18:40:46 +00:00
Evan Cheng e93762d36e Allow legalizer to expand ISD::MUL using only MULHS in the rare case that is 
possible and the target only supports MULHS.

llvm-svn: 30022
 2006-09-01 18:17:58 +00:00
Jim Laskey 5352d0cc4d Corrections. 
llvm-svn: 30021
 2006-09-01 12:55:05 +00:00
Evan Cheng 4b8b6ae924 Better comments. 
llvm-svn: 30017
 2006-09-01 07:09:56 +00:00
Evan Cheng c5fddc566c Yikes. This requires checking apple gcc version. 
llvm-svn: 30016
 2006-09-01 07:00:46 +00:00
Chris Lattner 93c067dc2d Pull some code out of a hot recursive function because the common case doesn't 
need recursion.

llvm-svn: 30015
 2006-09-01 07:00:23 +00:00
Chris Lattner 53ca302eb3 remove some particularly expensive assertions 
llvm-svn: 30014
 2006-09-01 06:57:35 +00:00