Chris Lattner
31116bafed
Implement testcase CFGSimplify/EqualPHIEdgeBlockMerge.ll
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llvm-svn: 5699
2003-03-05 21:01:52 +00:00
Chris Lattner
0592bb7654
Convert LICM over to use AliasSetTracker. Besides being nicer, this automatically
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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
50cbb9081a
Eliminate tons of bogus warnings
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llvm-svn: 5686
2003-03-03 19:57:46 +00:00
Chris Lattner
e27406eb59
Change the mem2reg interface to accept a TargetData argument
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llvm-svn: 5685
2003-03-03 17:25:18 +00:00
Chris Lattner
e19a9f8ef7
Fix bug: LICM/2003-02-28-PromoteDifferentType.ll
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llvm-svn: 5675
2003-02-28 19:21:40 +00:00
Chris Lattner
49eb0e3026
Fix bug I introduced yesterday :(
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llvm-svn: 5669
2003-02-28 16:54:17 +00:00
Chris Lattner
32a39c26e0
Fix bug: LICM/2003-02-27-PreheaderExitNodeUpdate.ll
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llvm-svn: 5667
2003-02-28 03:07:54 +00:00
Chris Lattner
f2d9f94a33
Fix bug: 2003-02-27-PreheaderExitNodeUpdate.ll by updating exit node info
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llvm-svn: 5664
2003-02-27 22:48:57 +00:00
Chris Lattner
10b2b055e8
Add a new assertion to check that stuff is happening right
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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
1ad80e2511
Fix bug: 2003-02-27-StoreSinkPHIs.ll
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llvm-svn: 5658
2003-02-27 21:59:36 +00:00
Chris Lattner
4e2fbfb4c3
* Don't forget to update Loop information!
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* 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
dbb05b0f09
Replace assertion with a handler.
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llvm-svn: 5653
2003-02-27 20:55:48 +00:00
Chris Lattner
650096a061
* Significant changes to the preheader insertion pass:
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- 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
71b82bb494
Convert to work with new AliasAnalysis interface by conservatively assuming all pointers are arbitrarily large accesses
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llvm-svn: 5636
2003-02-26 19:28:57 +00:00
Chris Lattner
4869f3700e
Rename Instruction::hasSideEffects() -> mayWriteToMemory()
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llvm-svn: 5620
2003-02-24 20:48:32 +00:00
Chris Lattner
45d67d6ea7
Initial implementation of Loop invariant memory->scalar promotion
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llvm-svn: 5613
2003-02-24 03:52:32 +00:00
Chris Lattner
26f159046c
Split mem2reg promotion into two parts: a function which does the work, and
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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
04cad6a010
Clean up std namespace references
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llvm-svn: 5608
2003-02-22 22:25:17 +00:00
Chris Lattner
57c8d99bbd
4 new transformations:
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* 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
3082c5a070
Add a variety of new transformations:
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* 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
f8c09ee341
Changes to runtime framework
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llvm-svn: 5572
2003-02-14 20:41:53 +00:00
Chris Lattner
04c9274e50
Fix a bug that cause a crash resolving questionable function calls
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llvm-svn: 5567
2003-02-14 19:12:29 +00:00
Chris Lattner
ade85ecf77
Fix a misunderstanding of the standard associative containers
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llvm-svn: 5565
2003-02-14 05:34:36 +00:00
Chris Lattner
222e70a9fa
Fix bug: LevelRaise/2003-02-13-CallRaise.ll
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llvm-svn: 5562
2003-02-14 03:07:17 +00:00
Chris Lattner
eaec4be9ea
Revert Anand's patch which broke the build
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llvm-svn: 5525
2003-02-10 15:55:50 +00:00
Anand Shukla
893dfda486
*** empty log message ***
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llvm-svn: 5522
2003-02-09 21:15:36 +00:00
Chris Lattner
4ecd2d0125
Fix a problem Sumant was running into
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llvm-svn: 5499
2003-02-06 22:03:46 +00:00
Chris Lattner
82723d73ba
Split public interface out into header file
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llvm-svn: 5472
2003-02-03 19:08:18 +00:00
Chris Lattner
c44c04af44
Change DSGraph stuff to use hash_(set|map) instead of std::(set|map)
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This change provides a small (3%) but consistent speedup
llvm-svn: 5460
2003-02-01 04:52:08 +00:00
Chris Lattner
f683599915
Fix typo
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llvm-svn: 5458
2003-02-01 04:50:59 +00:00
Chris Lattner
68f63f779c
Fix a bug resolving sprintf(...) to sprintf(char*, char*, ...)
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llvm-svn: 5446
2003-01-30 22:38:44 +00:00
Chris Lattner
47948952dd
Actually print the function _name_ if there is a problem
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llvm-svn: 5443
2003-01-30 21:33:07 +00:00
Chris Lattner
069c158bc5
* Fix linking of opaque types and their non-opaque versions
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* Fix bug: Linker/2003-01-30-LinkerTypeRename.ll
llvm-svn: 5441
2003-01-30 20:53:43 +00:00
Chris Lattner
2e65dd3575
Eliminate using decls
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llvm-svn: 5439
2003-01-30 19:53:34 +00:00
Chris Lattner
b2d9f7dcc9
* Fix function resolution for varargs function to generate incorrect bytecode instead of crashing
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* remove using decls
CVS: ----------------------------------------------------------------------
llvm-svn: 5437
2003-01-30 18:22:32 +00:00
Chris Lattner
747f67c96f
Fix levelraise/2003-01-30-ShiftCrash.ll
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llvm-svn: 5435
2003-01-30 17:10:41 +00:00
Chris Lattner
6e07784692
Initial checkin of pool allocation code
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llvm-svn: 5432
2003-01-29 21:12:13 +00:00
Chris Lattner
d1fd7e958c
Disable construction of pool allocator
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llvm-svn: 5422
2003-01-24 20:13:20 +00:00
Chris Lattner
6a3586b839
Fix bug: LevelRaise/2003-01-22-GEPProblem.ll
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llvm-svn: 5407
2003-01-23 02:39:10 +00:00
Chris Lattner
6fa1629c47
Fix bug: ADCE/2003-01-22-PredecessorProblem.ll
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llvm-svn: 5405
2003-01-23 02:12:18 +00:00
Chris Lattner
57fd307f6d
Rename include/llvm/Transforms/Instrumentation/TraceFunctions.h to Instrumentation.h
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llvm-svn: 5281
2003-01-14 22:39:29 +00:00
Chris Lattner
e885b1f596
Fix typeo
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llvm-svn: 5278
2003-01-14 22:34:36 +00:00
Chris Lattner
580bcaca7d
Remove unused header and function
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llvm-svn: 5277
2003-01-14 22:34:13 +00:00
Chris Lattner
2f04a0da4e
Clean up #includes
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Move graph.h into local directory
llvm-svn: 5276
2003-01-14 22:33:56 +00:00
Chris Lattner
049112106e
Fix bug
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llvm-svn: 5264
2003-01-14 19:04:43 +00:00
Chris Lattner
803c66bc64
Add debugging helper
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llvm-svn: 5235
2003-01-13 00:52:25 +00:00
Chris Lattner
b9636a70e5
Make sure to handle %'s in strings correctly so that the names of BB's and functions are actually printed!
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llvm-svn: 5234
2003-01-13 00:52:14 +00:00
Chris Lattner
661841c49b
Fix references to functions
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llvm-svn: 5222
2003-01-13 00:27:23 +00:00
Chris Lattner
3aa7767352
Fix a huge performance problem in reassociate by introducing a
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rank map cache for instruction ranks
llvm-svn: 5030
2002-12-15 03:56:00 +00:00
Chris Lattner
f96c8befe0
Minor changes:
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* Reword comment to make more clear
* Don't print out BB's after modification made
* Don't delete and new an instruction when we need to move something, just move it.
llvm-svn: 5029
2002-12-15 03:49:50 +00:00