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704 Commits

Author SHA1 Message Date
Chris Lattner
5e6fb8b8d5 Implement: (A|B)^B == A & (~B) 
llvm-svn: 5728
 2003-03-10 18:24:17 +00:00
Chris Lattner
9f2f48a648 Fix bug: SimplifyCFG/2003-03-07-DominateProblem.ll 
llvm-svn: 5722
 2003-03-07 18:13:41 +00:00
Chris Lattner
bd009a8938 Implement %test7 in InstCombine/getelementptr.ll 
llvm-svn: 5704
 2003-03-05 22:33:14 +00:00
Chris Lattner
4a9f0be9dd Implement CFGSimplify/PhiBlockMerge*.ll 
llvm-svn: 5702
 2003-03-05 21:36:33 +00:00
Chris Lattner
e025920ff8 Implement testcase CFGSimplify/EqualPHIEdgeBlockMerge.ll 
llvm-svn: 5699
 2003-03-05 21:01:52 +00:00
Chris Lattner
4eaaa99b93 Convert LICM over to use AliasSetTracker. Besides being nicer, this automatically 
allows LICM to use access sizes to help alias analysis be more precise.

llvm-svn: 5693
 2003-03-03 23:32:45 +00:00
Chris Lattner
db94bd1661 Eliminate tons of bogus warnings 
llvm-svn: 5686
 2003-03-03 19:57:46 +00:00
Chris Lattner
a49e96dda5 Change the mem2reg interface to accept a TargetData argument 
llvm-svn: 5685
 2003-03-03 17:25:18 +00:00
Chris Lattner
09c35df4e9 Fix bug: LICM/2003-02-28-PromoteDifferentType.ll 
llvm-svn: 5675
 2003-02-28 19:21:40 +00:00
Chris Lattner
dec7727a9f Fix bug I introduced yesterday :( 
llvm-svn: 5669
 2003-02-28 16:54:17 +00:00
Chris Lattner
e2aebf5906 Fix bug: LICM/2003-02-27-PreheaderExitNodeUpdate.ll 
llvm-svn: 5667
 2003-02-28 03:07:54 +00:00
Chris Lattner
d64f135965 Fix bug: 2003-02-27-PreheaderExitNodeUpdate.ll by updating exit node info 
llvm-svn: 5664
 2003-02-27 22:48:57 +00:00
Chris Lattner
74b9aaa89c Add a new assertion to check that stuff is happening right 
Ironically the exit block modification code wasn't updating the exit block
information itself.  Fix this.

llvm-svn: 5659
 2003-02-27 22:31:07 +00:00
Chris Lattner
d40fa5ca2f Fix bug: 2003-02-27-StoreSinkPHIs.ll 
llvm-svn: 5658
 2003-02-27 21:59:36 +00:00
Chris Lattner
e8dda81b22 * Don't forget to update Loop information! 
* Remove bogus assertion: there may be a single outside predecessor and
    still need a new loop-preheader if the predecessor has multiple
    successors.  See bug: LICM/2003-02-27-PreheaderProblem.ll

llvm-svn: 5655
 2003-02-27 21:50:19 +00:00
Chris Lattner
3b3cce733d Replace assertion with a handler. 
llvm-svn: 5653
 2003-02-27 20:55:48 +00:00
Chris Lattner
b078b28fa5 * Significant changes to the preheader insertion pass: 
- Now we perform loop exit-block splitting to ensure exit blocks are
     always dominated by the loop header.
   - We now preserve dominance frontier information
   - This fixes bug: LICM/2003-02-26-LoopExitNotDominated.ll

llvm-svn: 5652
 2003-02-27 20:27:08 +00:00
Chris Lattner
92a8816086 Convert to work with new AliasAnalysis interface by conservatively assuming all pointers are arbitrarily large accesses 
llvm-svn: 5636
 2003-02-26 19:28:57 +00:00
Chris Lattner
497c0d443c Rename Instruction::hasSideEffects() -> mayWriteToMemory() 
llvm-svn: 5620
 2003-02-24 20:48:32 +00:00
Chris Lattner
1c1f11bd3f Initial implementation of Loop invariant memory->scalar promotion 
llvm-svn: 5613
 2003-02-24 03:52:32 +00:00
Chris Lattner
2e4c1c8640 Split mem2reg promotion into two parts: a function which does the work, and 
a pass which wraps the function.  This allows other passes to use the functionality

llvm-svn: 5610
 2003-02-22 23:57:48 +00:00
Chris Lattner
283d117dad Clean up std namespace references 
llvm-svn: 5608
 2003-02-22 22:25:17 +00:00
Chris Lattner
c24ffa9297 4 new transformations: 
* X*C + X --> X * (C+1)
  * X + X*C --> X * (C+1)
  * X - X*C --> X * (1-C)
  * X*C - X --> X * (C-1)

llvm-svn: 5592
 2003-02-18 19:57:07 +00:00
Chris Lattner
8306cc5c5c Add a variety of new transformations: 
* A & ~A == 0
  * A / (2^c) == A >> c  if unsigned
  * 0 / A == 0
  * 1.0 * A == A
  * A * (2^c) == A << c
  * A ^ ~A == -1
  * A | ~A == -1
  * 0 % X = 0
  * A % (2^c) == A & (c-1) if unsigned
  * A - (A & B) == A & ~B
  * -1 - A == ~A

llvm-svn: 5587
 2003-02-18 19:28:33 +00:00
Anand Shukla
7aae29d426 Changes to runtime framework 
llvm-svn: 5572
 2003-02-14 20:41:53 +00:00
Chris Lattner
174a241cd5 Fix a bug that cause a crash resolving questionable function calls 
llvm-svn: 5567
 2003-02-14 19:12:29 +00:00
Chris Lattner
8de17c9baf Fix a misunderstanding of the standard associative containers 
llvm-svn: 5565
 2003-02-14 05:34:36 +00:00
Chris Lattner
e70bdb4355 Fix bug: LevelRaise/2003-02-13-CallRaise.ll 
llvm-svn: 5562
 2003-02-14 03:07:17 +00:00
Chris Lattner
644b87ddb2 Revert Anand's patch which broke the build 
llvm-svn: 5525
 2003-02-10 15:55:50 +00:00
Anand Shukla
a502e67a14 *** empty log message *** 
llvm-svn: 5522
 2003-02-09 21:15:36 +00:00
Chris Lattner
cc7f4a3c65 Fix a problem Sumant was running into 
llvm-svn: 5499
 2003-02-06 22:03:46 +00:00
Chris Lattner
978ff5d0dd Split public interface out into header file 
llvm-svn: 5472
 2003-02-03 19:08:18 +00:00
Chris Lattner
7aec6c471b Change DSGraph stuff to use hash_(set|map) instead of std::(set|map) 
This change provides a small (3%) but consistent speedup

llvm-svn: 5460
 2003-02-01 04:52:08 +00:00
Chris Lattner
aceb57a289 Fix typo 
llvm-svn: 5458
 2003-02-01 04:50:59 +00:00
Chris Lattner
dcf38586ef Fix a bug resolving sprintf(...) to sprintf(char*, char*, ...) 
llvm-svn: 5446
 2003-01-30 22:38:44 +00:00
Chris Lattner
0e59c67f69 Actually print the function _name_ if there is a problem 
llvm-svn: 5443
 2003-01-30 21:33:07 +00:00
Chris Lattner
f1f1b83cbe * Fix linking of opaque types and their non-opaque versions 
* Fix bug: Linker/2003-01-30-LinkerTypeRename.ll

llvm-svn: 5441
 2003-01-30 20:53:43 +00:00
Chris Lattner
f9ace7ffb1 Eliminate using decls 
llvm-svn: 5439
 2003-01-30 19:53:34 +00:00
Chris Lattner
70b2c322eb * Fix function resolution for varargs function to generate incorrect bytecode instead of crashing 
* remove using decls
 CVS: ----------------------------------------------------------------------

llvm-svn: 5437
 2003-01-30 18:22:32 +00:00
Chris Lattner
0ee7b79c71 Fix levelraise/2003-01-30-ShiftCrash.ll 
llvm-svn: 5435
 2003-01-30 17:10:41 +00:00
Chris Lattner
3c20e2c6d1 Initial checkin of pool allocation code 
llvm-svn: 5432
 2003-01-29 21:12:13 +00:00
Chris Lattner
19ad3aaf0a Disable construction of pool allocator 
llvm-svn: 5422
 2003-01-24 20:13:20 +00:00
Chris Lattner
5db30d467a Fix bug: LevelRaise/2003-01-22-GEPProblem.ll 
llvm-svn: 5407
 2003-01-23 02:39:10 +00:00
Chris Lattner
7af7b1c82c Fix bug: ADCE/2003-01-22-PredecessorProblem.ll 
llvm-svn: 5405
 2003-01-23 02:12:18 +00:00
Chris Lattner
9cb223ad0d Rename include/llvm/Transforms/Instrumentation/TraceFunctions.h to Instrumentation.h 
llvm-svn: 5281
 2003-01-14 22:39:29 +00:00
Chris Lattner
1b6292ad6f Fix typeo 
llvm-svn: 5278
 2003-01-14 22:34:36 +00:00
Chris Lattner
b5580841b3 Remove unused header and function 
llvm-svn: 5277
 2003-01-14 22:34:13 +00:00
Chris Lattner
a61f16fc93 Clean up #includes 
Move graph.h into local directory

llvm-svn: 5276
 2003-01-14 22:33:56 +00:00
Chris Lattner
95583742c4 Fix bug 
llvm-svn: 5264
 2003-01-14 19:04:43 +00:00
Chris Lattner
31a6321785 Add debugging helper 
llvm-svn: 5235
 2003-01-13 00:52:25 +00:00