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Author SHA1 Message Date
Chris Lattner
93ed29cb5d new file 
llvm-svn: 30082
 2006-09-04 04:16:09 +00:00
Chris Lattner
33c9ddc91d Completely rearchitect the interface between targets and the pass manager. 
This pass:

1. Splits TargetMachine into TargetMachine (generic targets, can be implemented
any way, like the CBE) and LLVMTargetMachine (subclass of TM that is used by
things using libcodegen and other support).
2. Instead of having each target fully populate the passmgr for file or JIT
   output, move all this to common code, and give targets hooks they can
   implement.
3. Commonalize the target population stuff between file emission and JIT
   emission.
4. All (native code) codegen stuff now happens in a FunctionPassManager, which
   paves the way for "fast -O0" stuff in the CFE later, and now LLC could
   lazily stream .bc files from disk to use less memory.
5. There are now many fewer #includes and the targets don't depend on the
   scalar xforms or libanalysis anymore (but codegen does).
6. Changing common code generator pass ordering stuff no longer requires
   touching all targets.
7. The JIT now has the option of "-fast" codegen or normal optimized codegen,
   which is now orthogonal to the fact that JIT'ing is being done.

llvm-svn: 30081
 2006-09-04 04:14:57 +00:00
Chris Lattner
2ca7348818 Add accessor 
llvm-svn: 30080
 2006-09-04 04:08:58 +00:00
Chris Lattner
50f76d4c5d Add explicit doInitialization/doFinalization methods instead of making 
the FunctionPassManager redo this for each function.

llvm-svn: 30079
 2006-09-04 04:07:39 +00:00
Chris Lattner
98ee856576 remove #include 
llvm-svn: 30078
 2006-09-04 04:06:01 +00:00
Chris Lattner
2e68159303 rearrange targets to satisfy dependencies. Too bad we aren't using llvm-config. 
llvm-svn: 30077
 2006-09-04 04:04:41 +00:00
Chris Lattner
6e04d9f5a2 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
7e892d8930 remove message 
llvm-svn: 30075
 2006-09-04 01:48:32 +00:00
Chris Lattner
8eb46f18d6 Rearrange library linkage order. 
llvm-svn: 30074
 2006-09-04 01:02:25 +00:00
Chris Lattner
2024543fb2 Eliminate target name. 
llvm-svn: 30071
 2006-09-03 18:44:26 +00:00
Chris Lattner
fb12884be6 Simplify target construction. 
llvm-svn: 30070
 2006-09-03 18:44:02 +00:00
Chris Lattner
2ad6ff3f77 Remove use of target::getName() 
llvm-svn: 30069
 2006-09-03 18:38:30 +00:00
Chris Lattner
e501184a05 eliminate use of TM.getName() 
llvm-svn: 30068
 2006-09-03 18:37:12 +00:00
Rafael Espindola
65007fc49c add the SETULT condition code 
llvm-svn: 30067
 2006-09-03 13:19:16 +00:00
Chris Lattner
b590a41f7b 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
4890186e93 minor speedup 
llvm-svn: 30065
 2006-09-03 07:53:50 +00:00
Chris Lattner
ff7657a869 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
a82712d3bf Testcase (distilled from crafty) that crashed the local RA on X86. 
llvm-svn: 30063
 2006-09-03 07:14:47 +00:00
Chris Lattner
2a9da0da7b 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
cc5b4bff8f 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
9c13e636d4 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
4bbb544645 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
518f055373 Fix a typo pointed out by Gabor 
llvm-svn: 30058
 2006-09-02 22:27:29 +00:00
Owen Anderson
0ea394ab0a 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
5c0443c41e add more condition codes 
llvm-svn: 30056
 2006-09-02 20:24:25 +00:00
Nick Lewycky
26f5df3031 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
d4cc3dbac4 improve compat with certain versions of GCC (on cygwin?) 
llvm-svn: 30054
 2006-09-02 17:37:30 +00:00
Chris Lattner
c01fbffc67 add a prototype 
llvm-svn: 30051
 2006-09-02 05:37:53 +00:00
Chris Lattner
dfda549a00 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
382e699e59 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
9ad19f6f8b new method 
llvm-svn: 30048
 2006-09-02 05:26:01 +00:00
Evan Cheng
cdf49f8b10 Another "cyclic DAG" test case. 
llvm-svn: 30043
 2006-09-01 23:50:17 +00:00
Evan Cheng
69ef4ae2a1 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
fa87f12b85 Use a couple of multiclass patterns to factor some integer ops. 
llvm-svn: 30039
 2006-09-01 22:28:02 +00:00
Chris Lattner
04b7417f40 remove a bunch of comments 
llvm-svn: 30038
 2006-09-01 22:16:22 +00:00
Chris Lattner
997e7e3d45 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
dc8b45e90e Make this harder 
llvm-svn: 30036
 2006-09-01 22:07:00 +00:00
Chris Lattner
128ad4e442 Fix a typo Jim pointed out, thanks! 
llvm-svn: 30035
 2006-09-01 22:01:36 +00:00
Chris Lattner
4c597bb380 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
3233cae4be Fixed formatting problem. 
llvm-svn: 30033
 2006-09-01 21:47:10 +00:00
Chris Lattner
a7a9ca8910 document !strconcat 
llvm-svn: 30032
 2006-09-01 21:46:01 +00:00
Bill Wendling
23ab3ad3eb 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
0ef41a8fdc Document multiclasses and defm's 
llvm-svn: 30030
 2006-09-01 21:44:18 +00:00
Chris Lattner
67e2187a04 regenerate 
llvm-svn: 30029
 2006-09-01 21:14:42 +00:00
Chris Lattner
1e5cf5e60f simple multiclass example 
llvm-svn: 30028
 2006-09-01 21:14:37 +00:00
Chris Lattner
948354e18e 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
1c7d8613c4 - 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
4bb35b7730 Remove extra spaces. 
llvm-svn: 30025
 2006-09-01 18:45:22 +00:00
Evan Cheng
86888bd45a 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
22679fcdd8 *** empty log message *** 
llvm-svn: 30023
 2006-09-01 18:40:46 +00:00