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446 Commits

Author SHA1 Message Date
Reid Spencer 30d69a5af9 bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Minimize redundant isa<GlobalValue> usage
- Correct isa<Constant> for GlobalValue subclass

llvm-svn: 14942
 2004-07-18 00:18:30 +00:00
Chris Lattner cbdf371d30 Simplify logic. 
llvm-svn: 14825
 2004-07-14 20:27:12 +00:00
Chris Lattner feda9d0583 Fix a tiny bug in the -no-aa pass, in which it did not ever get a target data. 
This is a regression from 1.2, though noone uses -no-aa anyway

llvm-svn: 14245
 2004-06-19 08:05:58 +00:00
Chris Lattner fbf4dc3bd0 isnan is dead 
llvm-svn: 14191
 2004-06-15 21:52:58 +00:00
Chris Lattner 66f313725c llvm.isnan doesn't access memory 
llvm-svn: 14151
 2004-06-11 06:17:13 +00:00
Chris Lattner 59c8ed8843 Move the -no-aa AA implementation into this file since both of these 
alias analysis implementations are special: they do not autoforward to a
chained implementation of alias analysis

llvm-svn: 13683
 2004-05-23 21:15:12 +00:00
Chris Lattner c9e37d7cc9 Hrm, operator new and new[] do not belong here. We should not CSE them! :) 
llvm-svn: 12859
 2004-04-12 05:16:42 +00:00
Chris Lattner 403abb824f operator new & operator new[] do not kill any legal memory locations. 
llvm-svn: 12833
 2004-04-11 18:16:34 +00:00
Chris Lattner c5fad355f8 Allow clients to be more efficient. 
llvm-svn: 12831
 2004-04-11 16:43:07 +00:00
Chris Lattner 4a1b03c773 Add a couple of more functions that cannot access memory (the intrinsics) and 
don't write to memory

llvm-svn: 12808
 2004-04-10 06:55:27 +00:00
Chris Lattner 69193f93b6 Support getelementptr instructions which use uint's to index into structure 
types and can have arbitrary 32- and 64-bit integer types indexing into
sequential types.

llvm-svn: 12653
 2004-04-05 01:30:19 +00:00
Chris Lattner 8ad948ddbd Add some missing functions. Make sure to handle calls together in case the 
client has another VN implementation that can VN calls.

llvm-svn: 12427
 2004-03-16 03:41:35 +00:00
Chris Lattner ea42c857d6 Fix a minor bug, implementing GCSE/call_pure_function.ll 
Also, add some stuff I missed before.

llvm-svn: 12417
 2004-03-15 04:18:28 +00:00
Chris Lattner d82256a7a1 Teach basicaa about some stdc functions. 
llvm-svn: 12408
 2004-03-15 03:36:49 +00:00
Chris Lattner f9e69b4553 Fix a couple of minor problems. Because PHI nodes can use themselves, this 
could cause infinite loops.  Also, getUnderlyingObject can return null

llvm-svn: 12351
 2004-03-12 23:12:55 +00:00
Chris Lattner a036253872 Implement mod/ref analysis for a trivial case where locals don't escape. 
This comes up when you have a local array on the stack and you never pass
the address of elements around.

llvm-svn: 12349
 2004-03-12 22:39:00 +00:00
Chris Lattner 6f6e0f29ad Expand on my note-to-self 
llvm-svn: 12029
 2004-03-01 02:44:44 +00:00
Chris Lattner 494d510769 Fix a soon-to-be-missing #include 
llvm-svn: 11707
 2004-02-22 06:26:17 +00:00
Chris Lattner 729ea9e1d9 Fix thinko 
llvm-svn: 11027
 2004-01-30 22:48:02 +00:00
Chris Lattner f0eac5d0d3 Implement the pointsToConstantMemory() method. 
llvm-svn: 11022
 2004-01-30 22:17:24 +00:00
Chris Lattner c99dd898af Eliminate use of ConstantHandling itf 
llvm-svn: 10780
 2004-01-12 17:57:32 +00:00
Chris Lattner 5f4c6f55b6 Add a note 
llvm-svn: 10617
 2003-12-28 04:03:49 +00:00
Chris Lattner 1eed55d6b9 Factor out some duplicated code, implement the rest of the cases in 
BasicAA/2003-12-11-ConstExprGEP.ll

llvm-svn: 10412
 2003-12-11 23:20:16 +00:00
Chris Lattner 6ea17f77f8 Fix PR86. This makes basicaa _SIGNIFICANLY_ more aggressive with getelementptr's 
llvm-svn: 10410
 2003-12-11 22:44:13 +00:00
Chris Lattner 17790fbb5b Fix a glaring bug 
llvm-svn: 10400
 2003-12-11 06:06:28 +00:00
Chris Lattner bc1197f292 Realize the gep P, <zeros> must aliases P. 
This is a partial fix for PR 86

llvm-svn: 10399
 2003-12-11 06:02:00 +00:00
Chris Lattner abb3bea6ce With Brian's change to AA.h we can now clean out this uglyness 
llvm-svn: 10398
 2003-12-11 05:44:59 +00:00
Chris Lattner a346e64218 Fix file header 
llvm-svn: 10219
 2003-11-25 20:11:47 +00:00
Chris Lattner 388bc98954 Use gep_type_begin/end instead of looking for ubytes 
llvm-svn: 10217
 2003-11-25 20:10:07 +00:00
Chris Lattner 359974801e Finegrainify namespacification 
llvm-svn: 10210
 2003-11-25 18:33:40 +00:00
Brian Gaeke 960707c335 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell 482202a601 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner 092af3f36e Fix bug: BasicAA/2003-09-19-LocalArgument.ll 
llvm-svn: 8615
 2003-09-20 03:08:47 +00:00
Misha Brukman 329983228f Fixed spelling and grammar. 
llvm-svn: 8478
 2003-09-11 18:14:24 +00:00
Chris Lattner cedbb88d05 Reuse the values if they are constants: this is important so that we index into the right structure field 
This fixes bug: BasicAA/2003-07-03-BasicAACrash.ll

llvm-svn: 7093
 2003-07-03 06:42:38 +00:00
Chris Lattner 1bec75e730 Implement handling of constantexprs for disambiguation. This implements 
BasicAA/featuretest.ll:constexpr_test

llvm-svn: 6740
 2003-06-17 15:25:37 +00:00
Chris Lattner 78dd43245d Be more robust in the face of undefined behavior. 
Fixes bug: BasicAA/2003-06-01-AliasCrash.ll

llvm-svn: 6538
 2003-06-02 05:42:39 +00:00
Chris Lattner 060f38121e Fix Bug: BasicAA/2003-05-21-GEP-Problem.ll 
llvm-svn: 6270
 2003-05-21 20:23:26 +00:00
Chris Lattner be2d24e3b5 Fix BasicAA/2003-04-25-GEPCrash.ll 
llvm-svn: 5940
 2003-04-25 18:03:06 +00:00
Chris Lattner 4183b34d39 Fix bug: BasicAA/2003-04-22-GEPProblem.ll 
llvm-svn: 5858
 2003-04-22 22:00:27 +00:00
Chris Lattner 1520eda3e3 Remove unneccesary forward decl 
llvm-svn: 5710
 2003-03-06 16:37:29 +00:00
Chris Lattner ce848a3397 Fix bug: BasicAA/2003-03-04-GEPCrash.ll 
llvm-svn: 5695
 2003-03-04 16:40:17 +00:00
Chris Lattner 96afad55b9 Fix a problem with negative indexes 
llvm-svn: 5681
 2003-03-02 23:43:34 +00:00
Chris Lattner 053994f5a6 Fix bug: BasicAA/2003-02-26-AccessSizeTest.ll 
llvm-svn: 5645
 2003-02-26 21:57:23 +00:00
Chris Lattner d98ac881ca Fix several bugs in basic-aa 
llvm-svn: 5643
 2003-02-26 21:28:49 +00:00
Chris Lattner d6a2a99a1b Move BasicAA pass out to it's own header file 
llvm-svn: 5640
 2003-02-26 19:41:54 +00:00