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18e3c4ff50
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542 Commits

Author SHA1 Message Date
Chris Lattner
18e3c4ff50 - Change getelementptr instruction to use long indexes instead of uint 
indexes for sequential types.

llvm-svn: 3681
 2002-09-11 01:21:29 +00:00
Chris Lattner
5f4b79edaf Fix the last of the silly bugs I just introduced. :( 
llvm-svn: 3674
 2002-09-10 23:46:10 +00:00
Chris Lattner
62bd3a248c Fix bugs in previous checkins 
llvm-svn: 3673
 2002-09-10 23:31:28 +00:00
Chris Lattner
0b81131afc Fix bug in previous checkin 
llvm-svn: 3672
 2002-09-10 23:31:12 +00:00
Chris Lattner
5143d4a3b3 Add cannonicalization of shl X, 1 -> add X, X 
llvm-svn: 3671
 2002-09-10 23:04:09 +00:00
Chris Lattner
f2fa52fec2 Fix minor problems in previous checkin 
llvm-svn: 3669
 2002-09-10 22:52:51 +00:00
Chris Lattner
3b3e26bb63 Fix minor problems in previous checkin 
llvm-svn: 3668
 2002-09-10 22:52:49 +00:00
Chris Lattner
f2e4e61769 Clean up code due to auto-insert constructors 
llvm-svn: 3666
 2002-09-10 22:38:49 +00:00
Chris Lattner
37c3a1d80c Clean up code due to auto-insert constructors 
llvm-svn: 3665
 2002-09-10 22:38:47 +00:00
Chris Lattner
38203aa15a Clean up code 
llvm-svn: 3664
 2002-09-10 22:38:06 +00:00
Chris Lattner
acbd992f9d Fix bug: test/Regression/Transforms/LevelRaise/2002-09-10-PointerAdds.ll 
llvm-svn: 3658
 2002-09-10 19:42:53 +00:00
Chris Lattner
da9702a8a1 Simplify code (somtimes dramatically), by using the new "auto-insert" feature 
of instruction constructors.

llvm-svn: 3656
 2002-09-10 17:04:02 +00:00
Chris Lattner
5758cf6d77 Simplify code (somtimes dramatically), by using the new "auto-insert" feature 
of instruction constructors.

llvm-svn: 3655
 2002-09-10 17:03:06 +00:00
Chris Lattner
7787814c22 * Clean up code a little bit 
* Fix bug: test/Regression/Transforms/IndVarsSimplify/2002-09-09-PointerIndVar.ll

llvm-svn: 3644
 2002-09-10 05:24:05 +00:00
Chris Lattner
4f5abce7f6 Hack unneccesary now that shifts of pointers are no longer legal! 
llvm-svn: 3640
 2002-09-10 03:50:54 +00:00
Chris Lattner
f6a9e54dda Disallow creation of pointer typed shift instructions 
llvm-svn: 3637
 2002-09-09 20:25:21 +00:00
Chris Lattner
4b8ce3aed2 Factor silly code duplication out 
llvm-svn: 3627
 2002-09-08 21:47:54 +00:00
Chris Lattner
c1de581f8e Fix Bug: test/Regression/Transforms/InstCombine/2002-09-08-PointerShiftBug.ll 
llvm-svn: 3626
 2002-09-08 21:39:07 +00:00
Chris Lattner
c30029172a Minor simplification 
llvm-svn: 3619
 2002-09-08 18:55:04 +00:00
Chris Lattner
bd03f18e04 Initial checkin of Correlated Expression Elimination Pass 
llvm-svn: 3599
 2002-09-06 18:41:55 +00:00
Chris Lattner
bf38fcf5ee Fix file header to be accurate, instead of something I just copied and pasted. 
llvm-svn: 3591
 2002-09-06 03:59:56 +00:00
Chris Lattner
78a3ebaa18 Fix bug with critical edge splitting code where it wouldn't update PHI nodes 
in the old destination block to indicate that the value flows from the new
edge splitting block, not from the original multi-successor block.

llvm-svn: 3590
 2002-09-06 03:51:45 +00:00
Chris Lattner
c3c754062f Check in the implementation of critical edge detection and splitting 
llvm-svn: 3588
 2002-09-06 02:35:34 +00:00
Chris Lattner
3ce5b343c5 - Renamed Type::isIntegral() to Type::isInteger() 
- Added new method Type::isIntegral() that is the same as isInteger, but
    also accepts bool.

llvm-svn: 3574
 2002-09-03 01:08:28 +00:00
Chris Lattner
904f214a13 - Renamed Type::isIntegral() to Type::isInteger() 
- Added new method Type::isIntegral() that is the same as isInteger, but
    also accepts bool.

llvm-svn: 3573
 2002-09-03 01:07:35 +00:00
Chris Lattner
cd49f0ec5d Add constant prop & DIE to InstCombine, so it cleans up after itself 
llvm-svn: 3568
 2002-09-02 04:59:56 +00:00
Chris Lattner
bb8f1a072b - Implement SCCP of getelementptr instructions 
- Implement SCCP of globals into ConstantExprs hopefully opening new
   opportunities for more SCCP.

llvm-svn: 3555
 2002-08-30 23:39:00 +00:00
Chris Lattner
838248b35a - Eliminate the last traces of the 'analysis' namespace 
llvm-svn: 3550
 2002-08-30 22:53:53 +00:00
Chris Lattner
a146c9e769 Really minor cleanups 
llvm-svn: 3549
 2002-08-30 22:53:30 +00:00
Chris Lattner
b0cbcfd5e4 - GCSE now no longer counts instructions not removed (due to no common 
dominator as being removed)
  - GCSE now uses new Value #'ing interface, instead of dealing with AA itself
  - GCSE worklist implementation much simpler, class cleaned up.

llvm-svn: 3533
 2002-08-30 20:22:29 +00:00
Chris Lattner
66b1127636 - instcombine demorgan's law: and (not A), (not B) == not (or A, B) 
llvm-svn: 3495
 2002-08-23 18:32:43 +00:00
Chris Lattner
9f18db8156 Eliminated the MemAccessInst class, folding contents into GEP class. 
llvm-svn: 3488
 2002-08-22 23:37:24 +00:00
Chris Lattner
20b85d96e4 Eliminated the MemAccessInst class, folding contents into GEP class. 
llvm-svn: 3487
 2002-08-22 23:37:20 +00:00
Chris Lattner
969c616d51 Load & StoreInst no longer derive from MemAccessInst, so we don't have 
to handle indexing anymore

llvm-svn: 3485
 2002-08-22 22:49:05 +00:00
Chris Lattner
65920fff34 *** empty log message *** 
llvm-svn: 3483
 2002-08-22 22:48:32 +00:00
Chris Lattner
8b8d72c1f2 Add capability of using pointer analysis to LICM 
llvm-svn: 3478
 2002-08-22 21:39:55 +00:00
Chris Lattner
5addf774a3 Remove long obsolete comments 
llvm-svn: 3476
 2002-08-22 21:25:54 +00:00
Chris Lattner
18826b07fe Instcombine PHI's of the form %PN = phi PN, X into X and 
%PN = phi PN, PN, PN into 0 (because the phi must not be reachable)

llvm-svn: 3470
 2002-08-22 20:22:01 +00:00
Chris Lattner
5b94b874d6 Convert GCSE pass to use new alias analysis infrastructure 
llvm-svn: 3463
 2002-08-22 18:24:48 +00:00
Chris Lattner
59e4067423 Do not generate load/store instructions with indexing. 
llvm-svn: 3461
 2002-08-22 16:41:31 +00:00
Chris Lattner
c4bd846e84 - Split Dominators.h into Dominators.h & PostDominators.h 
llvm-svn: 3432
 2002-08-21 23:43:50 +00:00
Chris Lattner
9c09c6a306 Do not generate loads/stores with indexing 
llvm-svn: 3422
 2002-08-21 22:11:33 +00:00
Chris Lattner
c3bf7eea0e Remove extraneous #includes 
llvm-svn: 3421
 2002-08-21 22:11:14 +00:00
Chris Lattner
cddef868de Do not create load/stores with indexes 
llvm-svn: 3420
 2002-08-21 22:10:52 +00:00
Chris Lattner
a154f5fa97 Remove an optimization that isn't. 
llvm-svn: 3419
 2002-08-21 22:10:06 +00:00
Chris Lattner
6c83ee57c1 - Do not expose ::ID from any of the analyses anymore. 
llvm-svn: 3417
 2002-08-21 17:09:49 +00:00
Chris Lattner
af538ea2c9 fixed bug: test/Regression/Linker/2002-08-20-ConstantExpr.ll 
llvm-svn: 3412
 2002-08-20 19:35:11 +00:00
Chris Lattner
ad92b604b5 - instcombine (~(a < b)) into (a >= b) 
llvm-svn: 3406
 2002-08-20 18:24:26 +00:00
Chris Lattner
22116975ce - implemented instcombine of phi (X, X, X) -> X 
llvm-svn: 3397
 2002-08-20 15:35:35 +00:00
Chris Lattner
289ad0e1fd - Made GlobalDCE worklist driven, making it more successful. Now can handle 
cases like: test/Regression/Transforms/GlobalDCE/2002-08-17-WorkListTest.ll

llvm-svn: 3381
 2002-08-18 01:28:30 +00:00