5861659a1e
Change from using a stub function to a stub variable for passing to the
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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
bb40a9fa58
Use autogenerated mod/ref info for intrinsics.
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llvm-svn: 26670
2006-03-09 22:31:29 +00:00
3e19c23765
Fix a crash compiling Obsequi
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llvm-svn: 26529
2006-03-04 21:48:01 +00:00
071faf25e0
Be more conservative with our symbolic alias analysis. In particular,
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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
82049eba2c
Add bswap intrinsics as documented in the Language Reference
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llvm-svn: 25309
2006-01-14 01:25:24 +00:00
5278ca3fa2
prevent cse of readcyclecounter
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llvm-svn: 24303
2005-11-11 19:02:54 +00:00
01aa56397d
continued readcyclecounter support
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llvm-svn: 24300
2005-11-11 16:47:30 +00:00
898e50ecb3
floor/ceil don't read/write memory. This allows gcse to eliminate 6 calls
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in mesa.
llvm-svn: 23015
2005-08-24 16:58:56 +00:00
23167c3be9
Remove glibc specific functions, and mark a couple as C99
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llvm-svn: 22384
2005-07-11 20:35:20 +00:00
c51a74cc02
because on alpha:
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# define errno (*__errno_location ())
*shakes head
llvm-svn: 22383
2005-07-11 17:41:12 +00:00
bb0bfc4702
By definition, 'tail' calls cannot access the stack frame of their caller.
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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
b2d3ac8349
These intrinsics do not access memory
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llvm-svn: 21718
2005-05-06 05:21:04 +00:00
1c636f1118
Add llvm.sqrt intrinsic, patch contributed by Morten Ofstad
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llvm-svn: 21627
2005-04-30 03:44:07 +00:00
59ecb57e4a
These functions can set errno!
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llvm-svn: 21609
2005-04-28 21:52:31 +00:00
01808caded
Remove trailing whitespace
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llvm-svn: 21416
2005-04-21 21:13:18 +00:00
562c180879
Fix Regression/Analysis/BasicAA/2005-03-09-BrokenBasicAA.ll, a miscompilation
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that Alkis found with Java, thanks Alkis!
llvm-svn: 20531
2005-03-09 16:29:52 +00:00
cede1ce95a
Add even more missing createXxxPass functions.
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llvm-svn: 19402
2005-01-08 22:01:16 +00:00
869d6a40a9
Fix a bug in -no-aa that caused two DSGraph tests to XPASS.
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llvm-svn: 18962
2004-12-15 17:13:24 +00:00
71d04bce55
Adjust to new alias analysis interfaces
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llvm-svn: 18957
2004-12-15 07:22:13 +00:00
346ee4c9fb
Add testcase and fix for yet another case where we query the size an
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abstract type.
llvm-svn: 18678
2004-12-08 23:56:15 +00:00
b1ff6d7921
Add testcase and fix for another case where we query the size an
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abstract type.
llvm-svn: 18676
2004-12-08 23:42:11 +00:00
5c132bc3af
For PR387:\
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Add getModRefInfo method to avoid overloaded virtuals
llvm-svn: 18601
2004-12-07 08:11:24 +00:00
1b784b117d
Fix DeadStoreElimination/2004-11-28-LiveStoreDeleted.ll
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llvm-svn: 18308
2004-11-28 20:30:15 +00:00
63b45b4768
The trick with globals actually works with allocas and malloc too
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llvm-svn: 18262
2004-11-26 20:01:48 +00:00
75819a81b2
A store or load cannot alias a global if the accessed amount is larger then
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the global.
This implements Regression/Analysis/BasicAA/global-size.ll
llvm-svn: 18261
2004-11-26 19:20:01 +00:00
c368b63515
Simplify conditional and fix LICM/2004-11-17-UndefIndexCrash.ll
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by saying what we mean
llvm-svn: 17913
2004-11-17 17:39:39 +00:00
3c3e058406
Be more careful about looking for constants when we really want constantint's.
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llvm-svn: 17029
2004-10-16 16:07:10 +00:00
a5c04ee50f
Fixes to make LLVM compile with vc7.1.
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Patch contributed by Paolo Invernizzi!
llvm-svn: 16152
2004-09-03 18:19:51 +00:00
fd7a2d4477
Merge i*.h headers into Instructions.h as part of bug403.
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llvm-svn: 15325
2004-07-29 12:17:34 +00:00
c21acbfea4
Fix test/Regression/Analysis/BasicAA/2004-07-28-MustAliasbug.llx
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This also fixes the miscompilation of MallocBench/gs with dead store
elimination enabled.
llvm-svn: 15324
2004-07-29 07:56:39 +00:00
aa05a6e5a1
Make basicaa a bit more aggressive
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llvm-svn: 15252
2004-07-27 02:18:52 +00:00
6b570266b8
basic-aa can actually provide simple mod/ref info
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llvm-svn: 15251
2004-07-27 02:13:55 +00:00
782ab98c56
This was implemented back in march
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llvm-svn: 15250
2004-07-27 01:59:42 +00:00
fdcf624939
Do not ignore casts unless they are pointer-pointer casts. This caused us
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to miscompile the SingleSource/Regression/C++/pointer_member.cpp program.
llvm-svn: 15062
2004-07-21 03:56:54 +00:00
30d69a5af9
bug 122:
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- 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
cbdf371d30
Simplify logic.
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llvm-svn: 14825
2004-07-14 20:27:12 +00:00
feda9d0583
Fix a tiny bug in the -no-aa pass, in which it did not ever get a target data.
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This is a regression from 1.2, though noone uses -no-aa anyway
llvm-svn: 14245
2004-06-19 08:05:58 +00:00
fbf4dc3bd0
isnan is dead
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llvm-svn: 14191
2004-06-15 21:52:58 +00:00
66f313725c
llvm.isnan doesn't access memory
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llvm-svn: 14151
2004-06-11 06:17:13 +00:00
59c8ed8843
Move the -no-aa AA implementation into this file since both of these
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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
c9e37d7cc9
Hrm, operator new and new[] do not belong here. We should not CSE them! :)
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llvm-svn: 12859
2004-04-12 05:16:42 +00:00
403abb824f
operator new & operator new[] do not kill any legal memory locations.
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llvm-svn: 12833
2004-04-11 18:16:34 +00:00
c5fad355f8
Allow clients to be more efficient.
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llvm-svn: 12831
2004-04-11 16:43:07 +00:00
4a1b03c773
Add a couple of more functions that cannot access memory (the intrinsics) and
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don't write to memory
llvm-svn: 12808
2004-04-10 06:55:27 +00:00
69193f93b6
Support getelementptr instructions which use uint's to index into structure
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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
8ad948ddbd
Add some missing functions. Make sure to handle calls together in case the
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client has another VN implementation that can VN calls.
llvm-svn: 12427
2004-03-16 03:41:35 +00:00
ea42c857d6
Fix a minor bug, implementing GCSE/call_pure_function.ll
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Also, add some stuff I missed before.
llvm-svn: 12417
2004-03-15 04:18:28 +00:00
d82256a7a1
Teach basicaa about some stdc functions.
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llvm-svn: 12408
2004-03-15 03:36:49 +00:00
f9e69b4553
Fix a couple of minor problems. Because PHI nodes can use themselves, this
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could cause infinite loops. Also, getUnderlyingObject can return null
llvm-svn: 12351
2004-03-12 23:12:55 +00:00
a036253872
Implement mod/ref analysis for a trivial case where locals don't escape.
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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
6f6e0f29ad
Expand on my note-to-self
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llvm-svn: 12029
2004-03-01 02:44:44 +00:00
494d510769
Fix a soon-to-be-missing #include
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llvm-svn: 11707
2004-02-22 06:26:17 +00:00
729ea9e1d9
Fix thinko
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llvm-svn: 11027
2004-01-30 22:48:02 +00:00
f0eac5d0d3
Implement the pointsToConstantMemory() method.
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llvm-svn: 11022
2004-01-30 22:17:24 +00:00
c99dd898af
Eliminate use of ConstantHandling itf
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llvm-svn: 10780
2004-01-12 17:57:32 +00:00
5f4c6f55b6
Add a note
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llvm-svn: 10617
2003-12-28 04:03:49 +00:00
1eed55d6b9
Factor out some duplicated code, implement the rest of the cases in
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BasicAA/2003-12-11-ConstExprGEP.ll
llvm-svn: 10412
2003-12-11 23:20:16 +00:00
6ea17f77f8
Fix PR86. This makes basicaa _SIGNIFICANLY_ more aggressive with getelementptr's
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llvm-svn: 10410
2003-12-11 22:44:13 +00:00
17790fbb5b
Fix a glaring bug
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llvm-svn: 10400
2003-12-11 06:06:28 +00:00
bc1197f292
Realize the gep P, <zeros> must aliases P.
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This is a partial fix for PR 86
llvm-svn: 10399
2003-12-11 06:02:00 +00:00
abb3bea6ce
With Brian's change to AA.h we can now clean out this uglyness
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llvm-svn: 10398
2003-12-11 05:44:59 +00:00
a346e64218
Fix file header
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llvm-svn: 10219
2003-11-25 20:11:47 +00:00
388bc98954
Use gep_type_begin/end instead of looking for ubytes
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llvm-svn: 10217
2003-11-25 20:10:07 +00:00
359974801e
Finegrainify namespacification
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llvm-svn: 10210
2003-11-25 18:33:40 +00:00
960707c335
Put all LLVM code into the llvm namespace, as per bug 109.
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llvm-svn: 9903
2003-11-11 22:41:34 +00:00
482202a601
Added LLVM project notice to the top of every C++ source file.
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Header files will be on the way.
llvm-svn: 9298
2003-10-20 19:43:21 +00:00
092af3f36e
Fix bug: BasicAA/2003-09-19-LocalArgument.ll
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llvm-svn: 8615
2003-09-20 03:08:47 +00:00
329983228f
Fixed spelling and grammar.
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llvm-svn: 8478
2003-09-11 18:14:24 +00:00
cedbb88d05
Reuse the values if they are constants: this is important so that we index into the right structure field
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This fixes bug: BasicAA/2003-07-03-BasicAACrash.ll
llvm-svn: 7093
2003-07-03 06:42:38 +00:00
1bec75e730
Implement handling of constantexprs for disambiguation. This implements
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BasicAA/featuretest.ll:constexpr_test
llvm-svn: 6740
2003-06-17 15:25:37 +00:00
78dd43245d
Be more robust in the face of undefined behavior.
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Fixes bug: BasicAA/2003-06-01-AliasCrash.ll
llvm-svn: 6538
2003-06-02 05:42:39 +00:00
060f38121e
Fix Bug: BasicAA/2003-05-21-GEP-Problem.ll
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llvm-svn: 6270
2003-05-21 20:23:26 +00:00
be2d24e3b5
Fix BasicAA/2003-04-25-GEPCrash.ll
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llvm-svn: 5940
2003-04-25 18:03:06 +00:00
4183b34d39
Fix bug: BasicAA/2003-04-22-GEPProblem.ll
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llvm-svn: 5858
2003-04-22 22:00:27 +00:00
1520eda3e3
Remove unneccesary forward decl
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llvm-svn: 5710
2003-03-06 16:37:29 +00:00
ce848a3397
Fix bug: BasicAA/2003-03-04-GEPCrash.ll
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llvm-svn: 5695
2003-03-04 16:40:17 +00:00
96afad55b9
Fix a problem with negative indexes
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llvm-svn: 5681
2003-03-02 23:43:34 +00:00
053994f5a6
Fix bug: BasicAA/2003-02-26-AccessSizeTest.ll
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llvm-svn: 5645
2003-02-26 21:57:23 +00:00
d98ac881ca
Fix several bugs in basic-aa
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llvm-svn: 5643
2003-02-26 21:28:49 +00:00
d6a2a99a1b
Move BasicAA pass out to it's own header file
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llvm-svn: 5640
2003-02-26 19:41:54 +00:00
Reid Spencer