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1911fd4f85
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Author SHA1 Message Date
Chris Lattner
1911fd4f85 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30081 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-04 04:14:57 +00:00
Chris Lattner
dd842e12e1 Add accessor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30080 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-04 04:08:58 +00:00
Chris Lattner
b2cd4bac87 Add explicit doInitialization/doFinalization methods instead of making 
the FunctionPassManager redo this for each function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30079 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-04 04:07:39 +00:00
Chris Lattner
3199af2874 remove #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30078 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-04 04:06:01 +00:00
Chris Lattner
3f2e0e6165 rearrange targets to satisfy dependencies. Too bad we aren't using llvm-config. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30077 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-04 04:04:41 +00:00
Chris Lattner
80930eb414 If a cycle exists, don't succeed building the second time around. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30076 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-04 01:49:10 +00:00
Chris Lattner
40ad304709 remove message 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30075 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-04 01:48:32 +00:00
Chris Lattner
e4163b4b46 Rearrange library linkage order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30074 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-04 01:02:25 +00:00
Chris Lattner
07ac914973 Eliminate target name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30071 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 18:44:26 +00:00
Chris Lattner
c4fa386471 Simplify target construction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30070 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 18:44:02 +00:00
Chris Lattner
de1cce7e14 Remove use of target::getName() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30069 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 18:38:30 +00:00
Chris Lattner
c50b76f61d eliminate use of TM.getName() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30068 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 18:37:12 +00:00
Rafael Espindola
bc4cec9a62 add the SETULT condition code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30067 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 13:19:16 +00:00
Chris Lattner
6b128bdc58 Avoid beating on the mi2i map when we know the answer already. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30066 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 08:07:11 +00:00
Chris Lattner
fbecc5a593 minor speedup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30065 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 07:53:50 +00:00
Chris Lattner
5e50349070 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30064 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 07:15:37 +00:00
Chris Lattner
6cfca76349 Testcase (distilled from crafty) that crashed the local RA on X86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30063 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 07:14:47 +00:00
Chris Lattner
2ac0d43fa2 When deleting a machine instruction, make sure to remove it from the 
livevariables information.  This fixes several regalloc=local failures on x86


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30062 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 00:06:08 +00:00
Chris Lattner
7a3abdc63c Move two methods out of line, make them work when the record for a machine 
instruction includes physregs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30061 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-03 00:05:09 +00:00
Chris Lattner
1c57be4a40 Count the time for a pass to ReleaseMemory against that pass. Not doing this 
was under accounting for the time that livevariables cost


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30060 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 23:09:24 +00:00
Owen Anderson
8dfd0f088e Make this testcase actually recursive. I accidentally committed the wrong copy last time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30059 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 22:46:58 +00:00
Chris Lattner
0f592b388f Fix a typo pointed out by Gabor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30058 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 22:27:29 +00:00
Owen Anderson
b833e5ac3f Make ArgumentPromotion handle recursive functions that pass pointers in their recursive calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30057 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 21:19:44 +00:00
Rafael Espindola
5f450d2948 add more condition codes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30056 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 20:24:25 +00:00
Nick Lewycky
a3a68bde21 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30055 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 19:40:38 +00:00
Chris Lattner
94425996c5 improve compat with certain versions of GCC (on cygwin?) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30054 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 17:37:30 +00:00
Chris Lattner
2efe109452 add a prototype 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30051 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 05:37:53 +00:00
Chris Lattner
1acb17cb83 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30050 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 05:32:53 +00:00
Chris Lattner
f21f0205b5 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30049 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 05:26:59 +00:00
Chris Lattner
6bda49fd9f new method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30048 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-02 05:26:01 +00:00
Evan Cheng
467782c160 Another "cyclic DAG" test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30043 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 23:50:17 +00:00
Evan Cheng
1453de5aa9 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30040 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 22:52:28 +00:00
Chris Lattner
aca36b9329 Use a couple of multiclass patterns to factor some integer ops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30039 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 22:28:02 +00:00
Chris Lattner
1662239a5e remove a bunch of comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30038 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 22:16:22 +00:00
Chris Lattner
cce56af911 Make sure to clear CurDefmPrefix = 0, otherwise stuff after a defm won't 
parse right.  This fixes TableGen/MultiClass.td


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30037 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 22:07:27 +00:00
Chris Lattner
9595159451 Make this harder 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30036 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 22:07:00 +00:00
Chris Lattner
e7173e10ec Fix a typo Jim pointed out, thanks! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30035 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 22:01:36 +00:00
Chris Lattner
7717d0930a fix an assertion with multidefs. Def inside of multiclasses don't need to 
be complete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30034 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:59:03 +00:00
Bill Wendling
bf77441605 Fixed formatting problem. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30033 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:47:10 +00:00
Chris Lattner
40de6cadc6 document !strconcat 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30032 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:46:01 +00:00
Bill Wendling
a396ee8e17 Added documentation Fernando Magno Quintao Pereira wrote for the register 
allocator. (First draft)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30031 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:46:00 +00:00
Chris Lattner
84b3598bd0 Document multiclasses and defm's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30030 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:44:18 +00:00
Chris Lattner
2762738d96 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30029 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:14:42 +00:00
Chris Lattner
ef4e0c2827 simple multiclass example 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30028 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:14:37 +00:00
Chris Lattner
12069866c8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30027 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:13:49 +00:00
Anton Korobeynikov
7d51544903 - Fixed broken Win32 build 
- Removed warning about clobbered parameter in Bytecode/Reader


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30026 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 20:35:17 +00:00
Evan Cheng
b5aaee0027 Remove extra spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30025 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 18:45:22 +00:00
Evan Cheng
78050d6cbe 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30024 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 18:42:59 +00:00
Evan Cheng
4f260b4efa *** empty log message *** 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30023 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 18:40:46 +00:00
Evan Cheng
3f4fd0fd64 Allow legalizer to expand ISD::MUL using only MULHS in the rare case that is 
possible and the target only supports MULHS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30022 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 18:17:58 +00:00