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1049 Commits

Author SHA1 Message Date
Reid Spencer
cdc0b6d962 Standardize on 'class' instead of 'struct'. Gets rid of warnings in VC++ 
Patch contributed by Jeff Cohen.

llvm-svn: 17889
 2004-11-16 06:58:55 +00:00
Chris Lattner
0efef015fa Fix a bug that was preventing povray and namd from pool allocating correctly. 
llvm-svn: 17632
 2004-11-08 21:08:46 +00:00
Chris Lattner
dcee21898f Handle assert_fail special 
llvm-svn: 17631
 2004-11-08 21:08:28 +00:00
Chris Lattner
9f23af6d68 Remove dead var 
llvm-svn: 17485
 2004-11-05 04:52:08 +00:00
Chris Lattner
3b6d1045d3 Don't call Constant::getNullValue when the argument could be VoidTy 
llvm-svn: 17457
 2004-11-03 18:51:26 +00:00
Chris Lattner
8572d582cf Fix comment 
llvm-svn: 17377
 2004-10-31 21:54:51 +00:00
Chris Lattner
d72b6b1e77 Improve comment 
llvm-svn: 17375
 2004-10-31 19:57:43 +00:00
Chris Lattner
14d85c9b09 Add more paranoid assertions :) 
llvm-svn: 17367
 2004-10-31 17:45:40 +00:00
Chris Lattner
29b6259de3 Fix some more problems where we called getOffset before getNode() 
llvm-svn: 17358
 2004-10-30 07:21:19 +00:00
Chris Lattner
4b741eab69 Fix three bugs: 
1. Calls to external global VARIABLES should not be treated as a call to an
    external function
 2. Efficiently deleting an element from a vector by using std::swap with
    the back, then pop_back is NOT a good way to keep the vector sorted.
 3. Our hope of having stuff get deleted by making them redundant just won't
    work.  In particular, if we have three calls in sequence that should be
    merged: A, B, C   first we unify B into A.  To be sure that they appeared
    identical (so B would be erased) we set B = A.  On the next step, we
    unified C into A and set C = A.  Unfortunately, this is no guarantee that
    C = B, so we would fail to delete the dead call.  Switch to a more
    explicit scheme.

llvm-svn: 17357
 2004-10-30 05:41:23 +00:00
Chris Lattner
14dfc01ad5 Fix more undefined behavior 
llvm-svn: 17356
 2004-10-30 04:22:45 +00:00
Chris Lattner
c17cd85776 * Add a method 
* change some uses of NH.getNode() in a bool context to use !NH.isNull()
* Fix a bunch of places where we depended on the (undefined) order of
  evaluation of arguments to function calls to ensure that getNode() was
  called before getOffset().  In practice, this was NOT happening.

llvm-svn: 17354
 2004-10-30 04:05:01 +00:00
Alkis Evlogimenos
1162280a0d Fix library name. 
llvm-svn: 17306
 2004-10-28 05:36:48 +00:00
Reid Spencer
d3f7233495 Change Library Names Not To Conflict With Others When Installed 
llvm-svn: 17286
 2004-10-27 23:18:45 +00:00
Chris Lattner
dd0094e4ed Convert 'struct' to 'class' in various places to adhere to the coding standards 
and work better with VC++.  Patch contributed by Morten Ofstad!

llvm-svn: 17281
 2004-10-27 16:14:51 +00:00
Chris Lattner
3a79669263 add support for UndefValue 
llvm-svn: 17260
 2004-10-26 16:23:03 +00:00
Chris Lattner
1cef20bac1 Patch to support MSVC, contributed by Morten Ofstad 
llvm-svn: 17214
 2004-10-25 18:40:08 +00:00
Reid Spencer
e48ba34fd4 We won't use automake 
llvm-svn: 17155
 2004-10-22 03:35:04 +00:00
Reid Spencer
ce514b1c2c Initial automake generated Makefile template 
llvm-svn: 17136
 2004-10-18 23:55:41 +00:00
Chris Lattner
2fae8a1ef9 Add support for unreachable 
llvm-svn: 17056
 2004-10-16 18:21:33 +00:00
Chris Lattner
8d479b62ad Add support for undef 
llvm-svn: 17055
 2004-10-16 18:19:26 +00:00
Chris Lattner
cbdf19fed2 Add support 
llvm-svn: 17052
 2004-10-16 18:16:19 +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
Chris Lattner
3fc5e3778f Do not use the same variable name for two different variables in the 
same scope.  This confused VC++ (and probably people too!).  Patch by
Morten Ofstad!

llvm-svn: 16985
 2004-10-14 14:59:16 +00:00
Reid Spencer
e6418ec30f Update to reflect changes in Makefile rules. 
llvm-svn: 16950
 2004-10-13 11:46:52 +00:00
Chris Lattner
6b6e5a5815 This nutty patch has been in my tree since before 1.3 went out, and it needs 
to go in.  This patch allows us to compute the trip count of loops controlled
by values loaded from constant arrays.  The cannonnical example of this is
strlen when passed a constant argument:

for (int i = 0; "constantstring"[i]; ++i) ;
return i;

In this case, it will compute that the loop executes 14 times, which means
that the exit value of i is 14.  Because of this, the loop gets DCE'd and
we are happy.  This also applies to anything that does similar things, e.g.
loops like this:

  const float Array[] = { 0.1, 2.1, 3.2, 23.21 };
  for (int i = 0; Array[i] < 20; ++i)

and is actually fairly general.

The problem with this is that it almost never triggers.  The reason is that
we run indvars and the loop optimizer only at compile time, which is before
things like strlen and strcpy have been inlined into the program from libc.
Because of this, it almost never is used (it triggers twice in specint2k).

I'm committing it because it DOES work, may be useful in the future, and
doesn't slow us down at all.  If/when we start running the loop optimizer
at link-time (-O4?) this will be very nice indeed :)

llvm-svn: 16926
 2004-10-12 01:49:27 +00:00
Chris Lattner
f8dab00902 Fix SingleSource/Benchmarks/McGill/chomp 
llvm-svn: 16912
 2004-10-11 04:07:27 +00:00
Reid Spencer
bc135b067a Build both archive and relinked objects 
llvm-svn: 16892
 2004-10-10 22:17:39 +00:00
Reid Spencer
7d9cba7a0f Initial version of automake Makefile.am file. 
llvm-svn: 16885
 2004-10-10 20:43:57 +00:00
Chris Lattner
d15e144241 Fix a nasty dangling pointer problem, due to a free'd pointer being left in 
a map.  This caused problems if a later object happened to be allocated at
the free'd object's address.

llvm-svn: 16813
 2004-10-07 20:01:31 +00:00
Chris Lattner
e412d10cc0 Dont' let null nodes sneak past cast instructions 
llvm-svn: 16779
 2004-10-06 19:29:13 +00:00
Chris Lattner
43c0372c0b 'Pass' should now not be derived from by clients. Instead, they should derive 
from ModulePass.  Instead of implementing Pass::run, then should implement
ModulePass::runOnModule.

llvm-svn: 16436
 2004-09-20 04:48:05 +00:00
Chris Lattner
01bbefa96c Finegrainify namespacification 
'Pass' should now not be derived from by clients.  Instead, they should derive
from ModulePass.  Instead of implementing Pass::run, then should implement
ModulePass::runOnModule.

llvm-svn: 16434
 2004-09-20 04:44:31 +00:00
Chris Lattner
e6755fe307 Fix a nasty iterator invalidation problem I introduced yesterday. This 
unfortunately is the cause of a bunch of failures from tonight, and the
reason the tester is running so slow :(

llvm-svn: 16407
 2004-09-19 19:01:06 +00:00
Chris Lattner
110bbafcf7 Add CallGraphNode::removeAnyCallEdgeTo method 
llvm-svn: 16398
 2004-09-18 21:34:34 +00:00
Chris Lattner
53dea1ce37 When changing a function, make sure to update the CallGraphNode for the 
function, not just the CallGraph.

llvm-svn: 16388
 2004-09-18 00:27:20 +00:00
Chris Lattner
a9b80a3258 Implement new changeFunction method, nuke a never implemented one. 
llvm-svn: 16386
 2004-09-18 00:22:13 +00:00
Reid Spencer
c6a8d70cff Convert code to compile with vc7.1. 
Patch contributed by Paolo Invernizzi. Thanks Paolo!

llvm-svn: 16368
 2004-09-15 17:06:42 +00:00
Chris Lattner
f1a0bf88c5 Add some assertions 
llvm-svn: 16366
 2004-09-15 16:59:47 +00:00
Chris Lattner
606caa617e Implement an AliasSetTracker::copyValue method 
llvm-svn: 16344
 2004-09-14 19:15:32 +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
Reid Spencer
c4abcbefb1 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.

llvm-svn: 16137
 2004-09-01 22:55:40 +00:00
Chris Lattner
818ac2d5e2 Fix a bug that caused the pass to go into infinite loops on trivial testcases. 
This is fallout of the Bug 122 changes.

llvm-svn: 15811
 2004-08-16 05:38:02 +00:00
Chris Lattner
0b9b58e550 Add standard print/dump methods to CallGraph classes. 
llvm-svn: 15569
 2004-08-08 03:27:49 +00:00
Chris Lattner
13e1bc338d Hide this option 
llvm-svn: 15415
 2004-08-02 20:16:21 +00:00
Misha Brukman
58104df77b Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15334
 2004-07-29 17:30:56 +00:00
Misha Brukman
2a80e53645 Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15328
 2004-07-29 17:05:13 +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
Brian Gaeke
45adb41f46 Make the create...() functions for some of these passes return a FunctionPass *. 
llvm-svn: 15276
 2004-07-27 17:43:21 +00:00
Chris Lattner
81f96c5a79 nuke pointless -debug output 
llvm-svn: 15267
 2004-07-27 08:03:18 +00:00
Chris Lattner
6a1dd59421 Fix conservative assumption, which was quite broken. Also, notice that 
functions known to not access memory (like sin/cos) don't access memory! :)

llvm-svn: 15264
 2004-07-27 07:46:26 +00:00
Chris Lattner
e921652646 Remove a bogus assertion 
llvm-svn: 15261
 2004-07-27 07:22:21 +00:00
Chris Lattner
c76d21f55d 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.

llvm-svn: 15260
 2004-07-27 06:40:37 +00:00
Chris Lattner
550242f7ec Use context-sensitive alias analysis to avoid pessimization in clients of 
AliasSetTracker (dse and licm).  This implements
DeadStoreElimination/context-sensitive.llx

llvm-svn: 15254
 2004-07-27 02:20:26 +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
8b2590f09f Add some new methods 
llvm-svn: 15230
 2004-07-26 05:50:23 +00:00
Chris Lattner
447e112745 Fix a latent bug in the AliasSetTracker that was exposed by the FreeInst additions and broke a bunch of programs last night. 
llvm-svn: 15214
 2004-07-25 18:32:01 +00:00
Chris Lattner
31d9cbf7bb Add support for free instructions 
llvm-svn: 15197
 2004-07-25 07:57:37 +00:00
Chris Lattner
e3adc34ea7 Clean up reference counting to stop "leaking" alias sets 
llvm-svn: 15099
 2004-07-22 07:58:18 +00:00
Brian Gaeke
f18cdca667 These files don't need to include <iostream> since they include "Support/Debug.h". 
llvm-svn: 15089
 2004-07-21 20:50:33 +00:00
Chris Lattner
195950df76 Add capability to remove aliasing aliassets from an AST 
llvm-svn: 15066
 2004-07-21 07:04:26 +00:00
Chris Lattner
f9976c5dbf Make the AST interface a bit richer by returning whether an insertion caused 
an insertion or not (because the pointer set already existed).

llvm-svn: 15064
 2004-07-21 05:18:04 +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
74807fe1a3 Fix incorrect computation of mod/ref sets. Do not ask for mod/ref information 
for objects of size 0.

llvm-svn: 14908
 2004-07-17 07:40:34 +00:00
Chris Lattner
2b68acbfe0 Print modref information in a useful way. 
llvm-svn: 14907
 2004-07-17 06:43:20 +00:00
Chris Lattner
49fd294675 Cleanups: fold two loops into one 
New features: -print-all-alias-modref-info option, print more info

llvm-svn: 14906
 2004-07-17 06:28:49 +00:00
Chris Lattner
763d51409f Be compatible with IA64 
llvm-svn: 14864
 2004-07-16 00:04:13 +00:00
Chris Lattner
bb7fe18493 Fixes for PR341 
llvm-svn: 14843
 2004-07-15 02:31:46 +00:00
Chris Lattner
d7d7bc70fd Fix for PR341 
llvm-svn: 14842
 2004-07-15 02:26:49 +00:00
Chris Lattner
fb6e1c2007 Simplify logic. 
llvm-svn: 14825
 2004-07-14 20:27:12 +00:00
Chris Lattner
203cdb2e64 Disable some code that isn't helping matters 
llvm-svn: 14682
 2004-07-08 07:25:51 +00:00
Chris Lattner
dce7977318 Headers moved 
llvm-svn: 14665
 2004-07-07 06:35:22 +00:00
Chris Lattner
7e0d8f8084 Move all of the DSA headers into the Analysis/DataStructure subdir. 
llvm-svn: 14663
 2004-07-07 06:32:21 +00:00
Chris Lattner
fb2f56c7c8 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.

llvm-svn: 14660
 2004-07-07 06:12:52 +00:00
Reid Spencer
50ec3f9325 Add #include <iostream> since Value.h does not #include it any more. 
llvm-svn: 14622
 2004-07-04 12:19:56 +00:00
Chris Lattner
7d6a9bf05c 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.

llvm-svn: 14462
 2004-06-28 06:33:13 +00:00
Chris Lattner
548171248d Moved IPModRef out of the public include dir 
llvm-svn: 14455
 2004-06-28 00:41:23 +00:00
Chris Lattner
6eb1e76227 Move DependenceGraph.* to lib/Analysis/DataStructure 
llvm-svn: 14452
 2004-06-28 00:32:33 +00:00
Chris Lattner
a77dd6edec Moving to lib/Analysis/DataStructure 
llvm-svn: 14450
 2004-06-28 00:29:42 +00:00
Chris Lattner
f914ccfa2a Move MemoryDepAnalysis.h into lib/Analysis/DataStructure 
llvm-svn: 14448
 2004-06-28 00:27:16 +00:00
Chris Lattner
244d5fba00 Move PgmDependenceGraph.h out of the public include hierarchy 
llvm-svn: 14446
 2004-06-28 00:20:04 +00:00
Chris Lattner
850f1967b6 Simplify code 
llvm-svn: 14424
 2004-06-26 19:31:26 +00:00
Chris Lattner
d6e23a5104 Fix header 
llvm-svn: 14394
 2004-06-25 04:24:22 +00:00
Chris Lattner
228e6d64d0 Remove distasteful method which is really part of the indvars pass 
llvm-svn: 14359
 2004-06-24 06:52:20 +00:00
Chris Lattner
4e431080a9 Fix merging of nodes whose incoming offset is not zero. This unbreaks DSA on 
several mallocbench programs, including perl.

llvm-svn: 14342
 2004-06-23 06:29:59 +00:00
Misha Brukman
699226cbe4 File requires IPA, moved to lib/Analysis/IPA 
llvm-svn: 14330
 2004-06-22 19:04:53 +00:00
Misha Brukman
f940c277df File depends on MemoryDepAnalysis (DSA); moved to lib/Analysis/DataStructure 
llvm-svn: 14327
 2004-06-22 18:28:37 +00:00
Misha Brukman
170b8a80de Files depend on DSA, moved to lib/Analysis/DataStructure 
llvm-svn: 14326
 2004-06-22 18:13:24 +00:00
Misha Brukman
43f0a951fe File depends on DSA, moved to lib/Analysis/DataStructure 
llvm-svn: 14325
 2004-06-22 18:11:38 +00:00
Chris Lattner
26e594052e If an edge points to a field of another memory object, actually reflect this 
in the DOT visualization of the DSGraphs.

llvm-svn: 14316
 2004-06-22 07:13:10 +00:00
Chris Lattner
fea46da8de REALLY fix PR378: crash in scalar evolution analysis 
llvm-svn: 14275
 2004-06-20 20:32:16 +00:00
Chris Lattner
59d13ac701 Fix a bug in my change last night that caused a few test failures. 
llvm-svn: 14270
 2004-06-20 17:01:44 +00:00
Chris Lattner
8c90177e5f 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.

llvm-svn: 14263
 2004-06-20 06:23:15 +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
0cd29ae2cd Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
llvm-svn: 14201
 2004-06-17 18:19:28 +00:00
Chris Lattner
7c3600a50e isnan is dead 
llvm-svn: 14191
 2004-06-15 21:52:58 +00:00