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182 Commits

Author SHA1 Message Date
Chris Lattner
496bd3fbf6 Use hidden visibility to make symbols in an anonymous namespace get 
dropped.  This shrinks libllvmgcc.dylib another 67K

llvm-svn: 28975
 2006-06-28 23:17:24 +00:00
Reid Spencer
560366562b For PR780: 
1. Fix the macros in IncludeFile.h to put everything in the llvm namespace
2. Replace the previous explicit mechanism in all the .h and .cpp files
   with the macros in IncludeFile.h
This gets us a consistent mechanism throughout LLVM for ensuring linkage.
Next step is to make sure its used in enough places.

llvm-svn: 28715
 2006-06-07 22:00:26 +00:00
Reid Spencer
2c6d390a60 Change from using a stub function to a stub variable for passing to the 
IncludeFile hack to ensure linkage of analysis passes. This works around
some -pedantic warnings about assigning an object to a function.

llvm-svn: 28621
 2006-06-01 07:02:51 +00:00
Chris Lattner
f53321422d Use autogenerated mod/ref info for intrinsics. 
llvm-svn: 26670
 2006-03-09 22:31:29 +00:00
Chris Lattner
805838e63e Fix a crash compiling Obsequi 
llvm-svn: 26529
 2006-03-04 21:48:01 +00:00
Chris Lattner
0d3abd353b Be more conservative with our symbolic alias analysis. In particular, 
don't assume that A[1][0] and A[0][i] can't alias.  "i" might be out of
range, or even negative.  This fixes a miscompilation of 188.ammp (which
does bad pointer tricks) with the new CFE.

Testcase here: Analysis/BasicAA/2006-03-03-BadArraySubscript.ll

llvm-svn: 26515
 2006-03-04 02:06:34 +00:00
Nate Begeman
4750001146 Add bswap intrinsics as documented in the Language Reference 
llvm-svn: 25309
 2006-01-14 01:25:24 +00:00
Andrew Lenharth
177491a9a2 prevent cse of readcyclecounter 
llvm-svn: 24303
 2005-11-11 19:02:54 +00:00
Andrew Lenharth
dca2f13e76 continued readcyclecounter support 
llvm-svn: 24300
 2005-11-11 16:47:30 +00:00
Chris Lattner
f369fd383d floor/ceil don't read/write memory. This allows gcse to eliminate 6 calls 
in mesa.

llvm-svn: 23015
 2005-08-24 16:58:56 +00:00
Andrew Lenharth
10f725f64b Remove glibc specific functions, and mark a couple as C99 
llvm-svn: 22384
 2005-07-11 20:35:20 +00:00
Andrew Lenharth
8089fbc902 because on alpha: 
#   define errno (*__errno_location ())

*shakes head

llvm-svn: 22383
 2005-07-11 17:41:12 +00:00
Chris Lattner
5a7f1642b7 By definition, 'tail' calls cannot access the stack frame of their caller. 
Expose this as a simple form of mod/ref information.  This implements
BasicAA/tailcall-modref.ll

llvm-svn: 21796
 2005-05-08 23:58:12 +00:00
Chris Lattner
4f7bba1106 These intrinsics do not access memory 
llvm-svn: 21718
 2005-05-06 05:21:04 +00:00
Chris Lattner
234ffe2395 Add llvm.sqrt intrinsic, patch contributed by Morten Ofstad 
llvm-svn: 21627
 2005-04-30 03:44:07 +00:00
Chris Lattner
fb0d0ea349 These functions can set errno! 
llvm-svn: 21609
 2005-04-28 21:52:31 +00:00
Misha Brukman
122d682689 Remove trailing whitespace 
llvm-svn: 21416
 2005-04-21 21:13:18 +00:00
Chris Lattner
30ac52c4b4 Fix Regression/Analysis/BasicAA/2005-03-09-BrokenBasicAA.ll, a miscompilation 
that Alkis found with Java, thanks Alkis!

llvm-svn: 20531
 2005-03-09 16:29:52 +00:00
Jeff Cohen
6c0db8d863 Add even more missing createXxxPass functions. 
llvm-svn: 19402
 2005-01-08 22:01:16 +00:00
Chris Lattner
6fe0ea70e2 Fix a bug in -no-aa that caused two DSGraph tests to XPASS. 
llvm-svn: 18962
 2004-12-15 17:13:24 +00:00
Chris Lattner
8139749984 Adjust to new alias analysis interfaces 
llvm-svn: 18957
 2004-12-15 07:22:13 +00:00
Alkis Evlogimenos
8547388d22 Add testcase and fix for yet another case where we query the size an 
abstract type.

llvm-svn: 18678
 2004-12-08 23:56:15 +00:00
Alkis Evlogimenos
b00f884344 Add testcase and fix for another case where we query the size an 
abstract type.

llvm-svn: 18676
 2004-12-08 23:42:11 +00:00
Reid Spencer
d0d846cd06 For PR387:\ 
Add getModRefInfo method to avoid overloaded virtuals

llvm-svn: 18601
 2004-12-07 08:11:24 +00:00
Chris Lattner
e65724d6eb Fix DeadStoreElimination/2004-11-28-LiveStoreDeleted.ll 
llvm-svn: 18308
 2004-11-28 20:30:15 +00:00
Chris Lattner
aecb6daf08 The trick with globals actually works with allocas and malloc too 
llvm-svn: 18262
 2004-11-26 20:01:48 +00:00
Chris Lattner
e076e608d8 A store or load cannot alias a global if the accessed amount is larger then 
the global.

This implements Regression/Analysis/BasicAA/global-size.ll

llvm-svn: 18261
 2004-11-26 19:20:01 +00:00
Chris Lattner
bd02c10b87 Simplify conditional and fix LICM/2004-11-17-UndefIndexCrash.ll 
by saying what we mean

llvm-svn: 17913
 2004-11-17 17:39:39 +00:00
Chris Lattner
b3a86dc93f Be more careful about looking for constants when we really want constantint's. 
llvm-svn: 17029
 2004-10-16 16:07:10 +00:00
Alkis Evlogimenos
0c50e0f211 Fixes to make LLVM compile with vc7.1. 
Patch contributed by Paolo Invernizzi!

llvm-svn: 16152
 2004-09-03 18:19:51 +00:00
Alkis Evlogimenos
fb27f702ca Merge i*.h headers into Instructions.h as part of bug403. 
llvm-svn: 15325
 2004-07-29 12:17:34 +00:00
Chris Lattner
b2cf39d1a4 Fix test/Regression/Analysis/BasicAA/2004-07-28-MustAliasbug.llx 
This also fixes the miscompilation of MallocBench/gs with dead store
elimination enabled.

llvm-svn: 15324
 2004-07-29 07:56:39 +00:00
Chris Lattner
40bd881142 Make basicaa a bit more aggressive 
llvm-svn: 15252
 2004-07-27 02:18:52 +00:00
Chris Lattner
fe3fff9354 basic-aa can actually provide simple mod/ref info 
llvm-svn: 15251
 2004-07-27 02:13:55 +00:00
Chris Lattner
9cfa22fb48 This was implemented back in march 
llvm-svn: 15250
 2004-07-27 01:59:42 +00:00
Chris Lattner
36940c22f7 Do not ignore casts unless they are pointer-pointer casts. This caused us 
to miscompile the SingleSource/Regression/C++/pointer_member.cpp program.

llvm-svn: 15062
 2004-07-21 03:56:54 +00:00
Reid Spencer
b339652b44 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
fb6e1c2007 Simplify logic. 
llvm-svn: 14825
 2004-07-14 20:27:12 +00:00
Chris Lattner
9b19f34fe2 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
7c3600a50e isnan is dead 
llvm-svn: 14191
 2004-06-15 21:52:58 +00:00
Chris Lattner
8dd2380de4 llvm.isnan doesn't access memory 
llvm-svn: 14151
 2004-06-11 06:17:13 +00:00
Chris Lattner
7ccc4c2ed9 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
a688d42e8c 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
02a9e10e74 operator new & operator new[] do not kill any legal memory locations. 
llvm-svn: 12833
 2004-04-11 18:16:34 +00:00
Chris Lattner
aa1c0d5e76 Allow clients to be more efficient. 
llvm-svn: 12831
 2004-04-11 16:43:07 +00:00
Chris Lattner
474637518d 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
9236135e8f 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
c2eb0678d8 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
cd227e5bdb 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
0ea40c6fac Teach basicaa about some stdc functions. 
llvm-svn: 12408
 2004-03-15 03:36:49 +00:00
Chris Lattner
bb08e801d4 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
6bd3783ef8 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
9bf85f216b Expand on my note-to-self 
llvm-svn: 12029
 2004-03-01 02:44:44 +00:00
Chris Lattner
63b79422f3 Fix a soon-to-be-missing #include 
llvm-svn: 11707
 2004-02-22 06:26:17 +00:00
Chris Lattner
a497e3d6e1 Fix thinko 
llvm-svn: 11027
 2004-01-30 22:48:02 +00:00
Chris Lattner
8bcdaf9b5d Implement the pointsToConstantMemory() method. 
llvm-svn: 11022
 2004-01-30 22:17:24 +00:00
Chris Lattner
a2612e417c Eliminate use of ConstantHandling itf 
llvm-svn: 10780
 2004-01-12 17:57:32 +00:00
Chris Lattner
8caf13292a Add a note 
llvm-svn: 10617
 2003-12-28 04:03:49 +00:00
Chris Lattner
f9c24d19cf 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
2185bd56cc Fix PR86. This makes basicaa _SIGNIFICANLY_ more aggressive with getelementptr's 
llvm-svn: 10410
 2003-12-11 22:44:13 +00:00
Chris Lattner
a1ddf56288 Fix a glaring bug 
llvm-svn: 10400
 2003-12-11 06:06:28 +00:00
Chris Lattner
3245f523d9 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
99253d6580 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
96656a16ad Fix file header 
llvm-svn: 10219
 2003-11-25 20:11:47 +00:00
Chris Lattner
259524df92 Use gep_type_begin/end instead of looking for ubytes 
llvm-svn: 10217
 2003-11-25 20:10:07 +00:00
Chris Lattner
8b644ddc5b Finegrainify namespacification 
llvm-svn: 10210
 2003-11-25 18:33:40 +00:00
Brian Gaeke
d25f86d683 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
b402729b30 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
aaf3999fba Fix bug: BasicAA/2003-09-19-LocalArgument.ll 
llvm-svn: 8615
 2003-09-20 03:08:47 +00:00
Misha Brukman
b9a4ddbfc5 Fixed spelling and grammar. 
llvm-svn: 8478
 2003-09-11 18:14:24 +00:00
Chris Lattner
b93ef28cef 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
5083d8846b 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
fe6eef643c 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
777fdfc135 Fix Bug: BasicAA/2003-05-21-GEP-Problem.ll 
llvm-svn: 6270
 2003-05-21 20:23:26 +00:00
Chris Lattner
43e38979b5 Fix BasicAA/2003-04-25-GEPCrash.ll 
llvm-svn: 5940
 2003-04-25 18:03:06 +00:00
Chris Lattner
72a506d1f2 Fix bug: BasicAA/2003-04-22-GEPProblem.ll 
llvm-svn: 5858
 2003-04-22 22:00:27 +00:00
Chris Lattner
8080df315f Remove unneccesary forward decl 
llvm-svn: 5710
 2003-03-06 16:37:29 +00:00
Chris Lattner
9d545c8aa3 Fix bug: BasicAA/2003-03-04-GEPCrash.ll 
llvm-svn: 5695
 2003-03-04 16:40:17 +00:00
Chris Lattner
a29ba21066 Fix a problem with negative indexes 
llvm-svn: 5681
 2003-03-02 23:43:34 +00:00
Chris Lattner
933b11a154 Fix bug: BasicAA/2003-02-26-AccessSizeTest.ll 
llvm-svn: 5645
 2003-02-26 21:57:23 +00:00
Chris Lattner
e923b037b7 Fix several bugs in basic-aa 
llvm-svn: 5643
 2003-02-26 21:28:49 +00:00
Chris Lattner
721f9fc770 Move BasicAA pass out to it's own header file 
llvm-svn: 5640
 2003-02-26 19:41:54 +00:00