Chris Lattner
03507809a0
The new CFrontend generates LOTs of basic blocks that just fall through and do
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other funky stuff. Clean it up early.
llvm-svn: 5889
2003-04-23 20:40:42 +00:00
Chris Lattner
82f626e951
Eliminate some compatibility stuff no longer needed :P
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llvm-svn: 5812
2003-04-18 23:38:09 +00:00
Chris Lattner
12fe9b47cc
Improve compatibility with system AS further by allowing input from stdin
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llvm-svn: 5780
2003-04-16 17:49:18 +00:00
Chris Lattner
3708870ec8
* Get rid of using declaration
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* Add two compatibility options to work better with new GCC frontend
llvm-svn: 5779
2003-04-16 17:41:08 +00:00
Chris Lattner
1f412aeeb2
Namespacify command line options
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llvm-svn: 5778
2003-04-16 17:34:29 +00:00
Vikram S. Adve
a8ebc7af15
Disable correlated expressions pass until it is reliable.
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llvm-svn: 4512
2002-11-03 12:41:50 +00:00
Chris Lattner
f1257594b5
Reassociate now works
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llvm-svn: 4472
2002-10-31 17:13:11 +00:00
Chris Lattner
387d76a983
* Remove the -stopraise option, which is no longer needed now that we have
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the -debug-pass=Arguments option
* Run instcombining BEFORE mem2reg so that getelementptr X, long 0's are
cleaned up. This is also important because scalar replacement of aggr.
will want instcombine to run before it goes as well.
llvm-svn: 3879
2002-09-22 18:50:22 +00:00
Chris Lattner
c70222dc15
* No longer need to run die after instcombine
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* Run new correlated expressions pass
* Simplify the CFG (removing dead blocks, merging blocks, eliminating branches
on constant booleans, etc) after correlated exprs pass.
llvm-svn: 3598
2002-09-06 18:41:33 +00:00
Chris Lattner
3f5b42697c
- Reformat comments
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- 'gccas' puts verifier in logical place in pass procession to avoid
recomputing dominator information unneccesarily.
llvm-svn: 3553
2002-08-30 22:55:32 +00:00
Chris Lattner
edd6704458
- GCCAS now uses load value #ing for GCSE
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llvm-svn: 3536
2002-08-30 20:25:25 +00:00
Chris Lattner
dded107d64
Do not leak memory for passes when using -stopAfterNPasses or -stopraise
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llvm-svn: 3371
2002-08-17 22:40:03 +00:00
Chris Lattner
325c1ce8f3
Run GlobalDCE before deadtypeelim so that we do not retain types for global
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variables that are obviously dead. The most common case is %FILE
llvm-svn: 3370
2002-08-17 22:38:02 +00:00
Chris Lattner
6f43f6d136
Print the tool name when an error comes from so that I can tell which
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tool of a pipeline is having issues.
llvm-svn: 3168
2002-07-30 21:43:25 +00:00
Chris Lattner
64a6727d02
*** empty log message ***
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llvm-svn: 3087
2002-07-25 16:31:09 +00:00
Chris Lattner
35c4541bbe
*** empty log message ***
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llvm-svn: 3040
2002-07-23 22:04:43 +00:00
Chris Lattner
8c7b31599b
Raise pass requires an explicit TargetData member now.
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llvm-svn: 3020
2002-07-23 18:09:58 +00:00
Chris Lattner
f5cad15a67
*** empty log message ***
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llvm-svn: 2985
2002-07-22 02:10:13 +00:00
Vikram S. Adve
acceb1edff
Disabling reassociate pass until it is fixed.
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llvm-svn: 2849
2002-07-09 19:53:09 +00:00
Chris Lattner
f119a2b1df
Yes, we REALLY DO want to run the reassociate pass.
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llvm-svn: 2809
2002-06-30 16:19:14 +00:00
Anand Shukla
fef3241cc6
Changes for 64bit gcc
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llvm-svn: 2799
2002-06-25 21:57:48 +00:00
Chris Lattner
5aa3a0779e
Simplify the code that adds passes so compilation can stop after any step
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llvm-svn: 2775
2002-06-25 15:57:43 +00:00
Chris Lattner
f08d7436ca
No need to run dce with adce right behind!
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llvm-svn: 2738
2002-05-23 19:27:50 +00:00
Chris Lattner
702eacab25
Add the ADCE pass to gccas finally!
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llvm-svn: 2719
2002-05-22 21:30:24 +00:00
Chris Lattner
8c1d9485cd
Simplify CFG after code generation is done
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llvm-svn: 2698
2002-05-21 20:05:08 +00:00
Chris Lattner
c914944a61
Run another local value numbering phase after redundancy elimination
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llvm-svn: 2625
2002-05-14 16:23:14 +00:00
Chris Lattner
47d923c2e0
Add LICM pass to compiler
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llvm-svn: 2613
2002-05-10 22:44:31 +00:00
Chris Lattner
356ef11e5a
Run expression reassociation as part of gccas
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llvm-svn: 2556
2002-05-08 22:18:20 +00:00
Chris Lattner
89a20ef164
Merge all include/llvm/Transforms/Scalar/* into a single Scalar.h
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llvm-svn: 2538
2002-05-07 20:03:27 +00:00
Chris Lattner
cfa675c142
GCSE is faster than SCCP, and it makes SCCP's job easier, so run it first.
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llvm-svn: 2503
2002-05-06 18:54:12 +00:00
Chris Lattner
dcb7ff00b1
Instruction Combination can create a ton of trivially dead instructions. Remove
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them with an DIE pass before more expensive optimizations are run.
llvm-svn: 2491
2002-05-06 16:52:15 +00:00
Chris Lattner
878bbb2f1c
Run DCE AFTER SCCP and GCSE!
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llvm-svn: 2476
2002-05-06 03:04:17 +00:00
Chris Lattner
0fb0022f68
Move constant merging pass earlier
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Include the SCCP pass in gccas
llvm-svn: 2410
2002-04-29 20:11:38 +00:00
Chris Lattner
d5a847057b
Eliminate duplicate or unneccesary #include's
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llvm-svn: 2397
2002-04-29 17:42:12 +00:00
Chris Lattner
10aa1b64bb
Run GCSE as part of gccas.
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llvm-svn: 2340
2002-04-28 01:00:15 +00:00
Chris Lattner
c065ad850c
Make sure that there is no case where a signal can occur leaving a partially
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written output file. This is important because crashing testcases often write
part of a file out, and the testing harness decides the file is up-to-date next
time the test is run.
llvm-svn: 2303
2002-04-18 19:55:25 +00:00
Chris Lattner
c4414d4a10
The cleangcc pass is brokeninto two pieces, execute both of them.
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llvm-svn: 2225
2002-04-10 20:33:32 +00:00
Chris Lattner
8c61bc0859
Move the PromoteMemoryToRegister pass to be run _after_ the raise pointer
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references pass, so it is given the chance to do some good!
llvm-svn: 2089
2002-04-01 19:45:11 +00:00
Cameron Buschardt
9dcd905f71
Rename constructor function for mem2reg pass.
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llvm-svn: 2008
2002-03-27 23:29:23 +00:00
Chris Lattner
30c37c24e8
Add a debugging option to gccas to cause it to not do level raise or anything
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after it.
llvm-svn: 1934
2002-03-21 21:21:50 +00:00
Chris Lattner
8fdf51f9c0
Change to use new pass accessor functions
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llvm-svn: 1817
2002-02-26 21:47:29 +00:00
Chris Lattner
ad50ec2f37
PassManager is now in it's own header file
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llvm-svn: 1608
2002-01-31 00:46:22 +00:00
Chris Lattner
044b5d90d8
Only run DeadInst elimination early, because it is quick and painless and
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pipelines well
llvm-svn: 1549
2002-01-22 21:06:44 +00:00
Chris Lattner
3bb02e4797
Misc cleanups. Allocate ofstream statically, and use a pass to write out the bytecode
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llvm-svn: 1529
2002-01-22 03:30:46 +00:00
Chris Lattner
3787ee6be6
Rename LowerAllocations.h to ChangeAllocations.h since it now contains the
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RaiseAllocations pass as well.
llvm-svn: 1525
2002-01-22 01:04:08 +00:00
Chris Lattner
4f0f09757d
Pull RaiseAllocations stuff out of the CleanGCC pass into it's own pass in
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the ChangeAllocations.h header file.
llvm-svn: 1522
2002-01-22 00:13:51 +00:00
Chris Lattner
ee965abc36
Move stuff out of the Optimizations directories into the appropriate Transforms
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directories. Eliminate the opt namespace.
llvm-svn: 1520
2002-01-21 23:17:48 +00:00
Chris Lattner
0686e435d1
Implement a more powerful, simpler, pass system. This pass system can figure
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out how to run a collection of passes optimially given their behaviors and
charactaristics.
Convert code to use it.
llvm-svn: 1507
2002-01-21 07:31:50 +00:00
Chris Lattner
7f74a56e24
Changes to build successfully with GCC 3.02
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llvm-svn: 1503
2002-01-20 22:54:45 +00:00
Chris Lattner
05377bbe3f
Add more passes to run after raising
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llvm-svn: 1476
2001-12-14 16:48:30 +00:00