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59 Commits

Author SHA1 Message Date
Chris Lattner
14f89ddf52 The new CFrontend generates LOTs of basic blocks that just fall through and do 
other funky stuff.  Clean it up early.

llvm-svn: 5889
 2003-04-23 20:40:42 +00:00
Chris Lattner
b53f5d3a9f Eliminate some compatibility stuff no longer needed :P 
llvm-svn: 5812
 2003-04-18 23:38:09 +00:00
Chris Lattner
9d614bf2d1 Improve compatibility with system AS further by allowing input from stdin 
llvm-svn: 5780
 2003-04-16 17:49:18 +00:00
Chris Lattner
951662218c * Get rid of using declaration 
* Add two compatibility options to work better with new GCC frontend

llvm-svn: 5779
 2003-04-16 17:41:08 +00:00
Chris Lattner
7c29feaeb7 Namespacify command line options 
llvm-svn: 5778
 2003-04-16 17:34:29 +00:00
Vikram S. Adve
dd2ab407a6 Disable correlated expressions pass until it is reliable. 
llvm-svn: 4512
 2002-11-03 12:41:50 +00:00
Chris Lattner
517a31e940 Reassociate now works 
llvm-svn: 4472
 2002-10-31 17:13:11 +00:00
Chris Lattner
d01dffe97f * Remove the -stopraise option, which is no longer needed now that we have 
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
29714643f9 * No longer need to run die after instcombine 
* 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
f647b9b608 - Reformat comments 
- '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
68ccf7d7ea - GCCAS now uses load value #ing for GCSE 
llvm-svn: 3536
 2002-08-30 20:25:25 +00:00
Chris Lattner
38e64fffd9 Do not leak memory for passes when using -stopAfterNPasses or -stopraise 
llvm-svn: 3371
 2002-08-17 22:40:03 +00:00
Chris Lattner
f91e0dc64d Run GlobalDCE before deadtypeelim so that we do not retain types for global 
variables that are obviously dead.  The most common case is %FILE

llvm-svn: 3370
 2002-08-17 22:38:02 +00:00
Chris Lattner
a693390c2e Print the tool name when an error comes from so that I can tell which 
tool of a pipeline is having issues.

llvm-svn: 3168
 2002-07-30 21:43:25 +00:00
Chris Lattner
9099afeef5 *** empty log message *** 
llvm-svn: 3087
 2002-07-25 16:31:09 +00:00
Chris Lattner
5b4d1e6d6c *** empty log message *** 
llvm-svn: 3040
 2002-07-23 22:04:43 +00:00
Chris Lattner
4c4f02c2f1 Raise pass requires an explicit TargetData member now. 
llvm-svn: 3020
 2002-07-23 18:09:58 +00:00
Chris Lattner
99ad379582 *** empty log message *** 
llvm-svn: 2985
 2002-07-22 02:10:13 +00:00
Vikram S. Adve
391040c398 Disabling reassociate pass until it is fixed. 
llvm-svn: 2849
 2002-07-09 19:53:09 +00:00
Chris Lattner
5e960b5301 Yes, we REALLY DO want to run the reassociate pass. 
llvm-svn: 2809
 2002-06-30 16:19:14 +00:00
Anand Shukla
c28bf298bb Changes for 64bit gcc 
llvm-svn: 2799
 2002-06-25 21:57:48 +00:00
Chris Lattner
801f0d73ed Simplify the code that adds passes so compilation can stop after any step 
llvm-svn: 2775
 2002-06-25 15:57:43 +00:00
Chris Lattner
6011ff85b4 No need to run dce with adce right behind! 
llvm-svn: 2738
 2002-05-23 19:27:50 +00:00
Chris Lattner
28ff22021a Add the ADCE pass to gccas finally! 
llvm-svn: 2719
 2002-05-22 21:30:24 +00:00
Chris Lattner
d5eb6515a1 Simplify CFG after code generation is done 
llvm-svn: 2698
 2002-05-21 20:05:08 +00:00
Chris Lattner
e8c237b1ce Run another local value numbering phase after redundancy elimination 
llvm-svn: 2625
 2002-05-14 16:23:14 +00:00
Chris Lattner
97b501879c Add LICM pass to compiler 
llvm-svn: 2613
 2002-05-10 22:44:31 +00:00
Chris Lattner
fd2ecfc2a5 Run expression reassociation as part of gccas 
llvm-svn: 2556
 2002-05-08 22:18:20 +00:00
Chris Lattner
466c66f47a Merge all include/llvm/Transforms/Scalar/* into a single Scalar.h 
llvm-svn: 2538
 2002-05-07 20:03:27 +00:00
Chris Lattner
ee7b1b29a9 GCSE is faster than SCCP, and it makes SCCP's job easier, so run it first. 
llvm-svn: 2503
 2002-05-06 18:54:12 +00:00
Chris Lattner
6ba1c2d113 Instruction Combination can create a ton of trivially dead instructions. Remove 
them with an DIE pass before more expensive optimizations are run.

llvm-svn: 2491
 2002-05-06 16:52:15 +00:00
Chris Lattner
0ba1f2e45f Run DCE AFTER SCCP and GCSE! 
llvm-svn: 2476
 2002-05-06 03:04:17 +00:00
Chris Lattner
9cbf621bb5 Move constant merging pass earlier 
Include the SCCP pass in gccas

llvm-svn: 2410
 2002-04-29 20:11:38 +00:00
Chris Lattner
96e0c48175 Eliminate duplicate or unneccesary #include's 
llvm-svn: 2397
 2002-04-29 17:42:12 +00:00
Chris Lattner
f5cc80a3cb Run GCSE as part of gccas. 
llvm-svn: 2340
 2002-04-28 01:00:15 +00:00
Chris Lattner
ded2679ed0 Make sure that there is no case where a signal can occur leaving a partially 
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
d69c7543b9 The cleangcc pass is brokeninto two pieces, execute both of them. 
llvm-svn: 2225
 2002-04-10 20:33:32 +00:00
Chris Lattner
dc6c89b725 Move the PromoteMemoryToRegister pass to be run _after_ the raise pointer 
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
788a1aaab0 Rename constructor function for mem2reg pass. 
llvm-svn: 2008
 2002-03-27 23:29:23 +00:00
Chris Lattner
42439b8827 Add a debugging option to gccas to cause it to not do level raise or anything 
after it.

llvm-svn: 1934
 2002-03-21 21:21:50 +00:00
Chris Lattner
9287e88e26 Change to use new pass accessor functions 
llvm-svn: 1817
 2002-02-26 21:47:29 +00:00
Chris Lattner
5e70addcea PassManager is now in it's own header file 
llvm-svn: 1608
 2002-01-31 00:46:22 +00:00
Chris Lattner
bf0c3377fd Only run DeadInst elimination early, because it is quick and painless and 
pipelines well

llvm-svn: 1549
 2002-01-22 21:06:44 +00:00
Chris Lattner
fd5a4f7123 Misc cleanups. Allocate ofstream statically, and use a pass to write out the bytecode 
llvm-svn: 1529
 2002-01-22 03:30:46 +00:00
Chris Lattner
4cecd63a42 Rename LowerAllocations.h to ChangeAllocations.h since it now contains the 
RaiseAllocations pass as well.

llvm-svn: 1525
 2002-01-22 01:04:08 +00:00
Chris Lattner
83056c99ec Pull RaiseAllocations stuff out of the CleanGCC pass into it's own pass in 
the ChangeAllocations.h header file.

llvm-svn: 1522
 2002-01-22 00:13:51 +00:00
Chris Lattner
4454cdc5c0 Move stuff out of the Optimizations directories into the appropriate Transforms 
directories.  Eliminate the opt namespace.

llvm-svn: 1520
 2002-01-21 23:17:48 +00:00
Chris Lattner
2521ae1011 Implement a more powerful, simpler, pass system. This pass system can figure 
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
3dc9a2a61f Changes to build successfully with GCC 3.02 
llvm-svn: 1503
 2002-01-20 22:54:45 +00:00
Chris Lattner
e6523ce62b Add more passes to run after raising 
llvm-svn: 1476
 2001-12-14 16:48:30 +00:00