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63e9930498
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969 Commits

Author SHA1 Message Date
Chris Lattner
63e9930498 Remove a bogus assertion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15261 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 07:22:21 +00:00
Chris Lattner
fe98f27e80 Complete rewrite of this pass to be faster, use less memory, be easier to 
understand, and more accurate to boot!  This implements
GlobalModRef/purecse.ll over the previous impl.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15260 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 06:40:37 +00:00
Chris Lattner
efe30ef790 Use context-sensitive alias analysis to avoid pessimization in clients of 
AliasSetTracker (dse and licm).  This implements
DeadStoreElimination/context-sensitive.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15254 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 02:20:26 +00:00
Chris Lattner
db5b80a7f2 Make basicaa a bit more aggressive 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15252 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 02:18:52 +00:00
Chris Lattner
e181b94309 basic-aa can actually provide simple mod/ref info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15251 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 02:13:55 +00:00
Chris Lattner
05e47987ee This was implemented back in march 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15250 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-27 01:59:42 +00:00
Chris Lattner
61d462760b Add some new methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15230 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-26 05:50:23 +00:00
Chris Lattner
34a1005737 Fix a latent bug in the AliasSetTracker that was exposed by the FreeInst additions and broke a bunch of programs last night. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15214 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-25 18:32:01 +00:00
Chris Lattner
5c88260f70 Add support for free instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15197 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-25 07:57:37 +00:00
Chris Lattner
b8a31ace2c Clean up reference counting to stop "leaking" alias sets 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15099 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-22 07:58:18 +00:00
Brian Gaeke
7848e68c16 These files don't need to include <iostream> since they include "Support/Debug.h". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15089 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-21 20:50:33 +00:00
Chris Lattner
6d4b0d723d Add capability to remove aliasing aliassets from an AST 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15066 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-21 07:04:26 +00:00
Chris Lattner
12c1155403 Make the AST interface a bit richer by returning whether an insertion caused 
an insertion or not (because the pointer set already existed).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15064 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-21 05:18:04 +00:00
Chris Lattner
bb8f43c8fc Do not ignore casts unless they are pointer-pointer casts. This caused us 
to miscompile the SingleSource/Regression/C++/pointer_member.cpp program.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15062 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-21 03:56:54 +00:00
Reid Spencer
e840434755 bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Minimize redundant isa<GlobalValue> usage
- Correct isa<Constant> for GlobalValue subclass


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14942 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-18 00:18:30 +00:00
Chris Lattner
cb19d67907 Fix incorrect computation of mod/ref sets. Do not ask for mod/ref information 
for objects of size 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14908 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-17 07:40:34 +00:00
Chris Lattner
ad48cc71dc Print modref information in a useful way. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14907 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-17 06:43:20 +00:00
Chris Lattner
0e872cb470 Cleanups: fold two loops into one 
New features: -print-all-alias-modref-info option, print more info


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14906 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-17 06:28:49 +00:00
Chris Lattner
f99947c35f Be compatible with IA64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14864 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-16 00:04:13 +00:00
Chris Lattner
1ff1ff70e3 Fixes for PR341 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14843 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-15 02:31:46 +00:00
Chris Lattner
f92791ace5 Fix for PR341 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14842 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-15 02:26:49 +00:00
Chris Lattner
ce36d55cf8 Bug fixes for PR341 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14838 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-15 01:29:12 +00:00
Chris Lattner
f70770abd5 Simplify logic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14825 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-14 20:27:12 +00:00
Chris Lattner
5ace1e4f6f Disable some code that isn't helping matters 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14682 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-08 07:25:51 +00:00
Chris Lattner
8adbec89ce Headers moved 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14665 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-07 06:35:22 +00:00
Chris Lattner
4dabb2c6f3 Move all of the DSA headers into the Analysis/DataStructure subdir. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14663 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-07 06:32:21 +00:00
Chris Lattner
eaef5685b8 Moving headers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14661 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-07 06:22:54 +00:00
Chris Lattner
efffdc9408 As much as I hate to say it, the whole setNode interface for DSNodeHandles 
is HOPELESSLY broken.  The problem is that the embedded getNode call can
change the offset of the node handle in unpredictable ways.

As it turns out, all of the clients of this method really want to set
both the node and the offset, thus it is more efficient (and less buggy)
to just do both of them in one method call.  This fixes some obscure bugs
handling non-forwarded node handles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14660 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-07 06:12:52 +00:00
Reid Spencer
954da37bb4 Add #include <iostream> since Value.h does not #include it any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14622 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-07-04 12:19:56 +00:00
Chris Lattner
3b04a8ac45 Initial checkin of a simple mod/ref analysis for global variables. This is 
still overly conservative and uses very simple data structures, but it is a
start, and allows elimination of a lot of loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14462 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 06:33:13 +00:00
Chris Lattner
e6afb74188 Moved IPModRef out of the public include dir 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14455 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:41:23 +00:00
Chris Lattner
b88fb055c4 Move DependenceGraph.* to lib/Analysis/DataStructure 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14452 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:32:33 +00:00
Chris Lattner
2de1d32ce1 Moving to lib/Analysis/DataStructure 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14450 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:29:42 +00:00
Chris Lattner
0ecdcbe63a Move MemoryDepAnalysis.h into lib/Analysis/DataStructure 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14448 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:27:16 +00:00
Chris Lattner
71ef8f7adc Move PgmDependenceGraph.h out of the public include hierarchy 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14446 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 00:20:04 +00:00
Chris Lattner
af754dbf65 Simplify code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14424 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-26 19:31:26 +00:00
Chris Lattner
d28b0d73da Fix header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14394 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 04:24:22 +00:00
Chris Lattner
5aa20212cc Remove distasteful method which is really part of the indvars pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14359 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-24 06:52:20 +00:00
Chris Lattner
37ec591c74 Fix merging of nodes whose incoming offset is not zero. This unbreaks DSA on 
several mallocbench programs, including perl.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14342 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-23 06:29:59 +00:00
Misha Brukman
f05ff33d21 File requires IPA, moved to lib/Analysis/IPA 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14330 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-22 19:04:53 +00:00
Misha Brukman
952e38cf24 File depends on MemoryDepAnalysis (DSA); moved to lib/Analysis/DataStructure 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14327 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-22 18:28:37 +00:00
Misha Brukman
bab75268f0 Files depend on DSA, moved to lib/Analysis/DataStructure 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14326 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-22 18:13:24 +00:00
Chris Lattner
8e667cdc94 If an edge points to a field of another memory object, actually reflect this 
in the DOT visualization of the DSGraphs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14316 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-22 07:13:10 +00:00
Chris Lattner
541ad5e19e REALLY fix PR378: crash in scalar evolution analysis 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14275 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-20 20:32:16 +00:00
Chris Lattner
2d58452f39 Fix a bug in my change last night that caused a few test failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14270 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-20 17:01:44 +00:00
Chris Lattner
8d741b8bef Do not sort SCEV objects by address: instead sort by complexity and group 
by address.  This prevents the resultant SCEV objects from depending on
where in memory other scev objects happen to live.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14263 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-20 06:23:15 +00:00
Chris Lattner
689835a2d9 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14245 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-19 08:05:58 +00:00
Chris Lattner
f70c22b019 Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14201 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-17 18:19:28 +00:00
Chris Lattner
4ee623de0b isnan is dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14191 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-15 21:52:58 +00:00
Chris Lattner
9f35196fc2 llvm.isnan doesn't access memory 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14151 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-11 06:17:13 +00:00