106 Commits

Author SHA1 Message Date
Dan Gohman
fb0a3754f5 Update this code to handle PartialAlias as MayAlias.
llvm-svn: 121508
2010-12-10 19:40:47 +00:00
Dan Gohman
468638826e Don't forget the TBAA info, if available.
llvm-svn: 118842
2010-11-11 21:27:26 +00:00
Dan Gohman
0f17507478 Teach LICM and AliasSetTracker about AccessesArgumentsReadonly.
llvm-svn: 118618
2010-11-09 19:58:21 +00:00
Dan Gohman
f372cf869b Reapply r116831 and r116839, converting AliasAnalysis to use
uint64_t, plus fixes for places I missed before.

llvm-svn: 116875
2010-10-19 22:54:46 +00:00
Dan Gohman
b4aa503501 Revert r116831 and r116839, which are breaking selfhost builds.
llvm-svn: 116858
2010-10-19 21:06:16 +00:00
Dan Gohman
f4c5fe73be Change AliasAnalysis and its clients to use uint64_t instead of unsigned
for representing object sizes, for consistency with other parts of LLVM.

llvm-svn: 116831
2010-10-19 18:00:02 +00:00
Owen Anderson
6c18d1aac0 Get rid of static constructors for pass registration. Instead, every pass exposes an initializeMyPassFunction(), which
must be called in the pass's constructor.  This function uses static dependency declarations to recursively initialize
the pass's dependencies.

Clients that only create passes through the createFooPass() APIs will require no changes.  Clients that want to use the
CommandLine options for passes will need to manually call the appropriate initialization functions in PassInitialization.h
before parsing commandline arguments.

I have tested this with all standard configurations of clang and llvm-gcc on Darwin.  It is possible that there are problems
with the static dependencies that will only be visible with non-standard options.  If you encounter any crash in pass
registration/creation, please send the testcase to me directly.

llvm-svn: 116820
2010-10-19 17:21:58 +00:00
Dan Gohman
e4a82e2f21 Make the representation of AliasSets explicitly differentiate
between "not known yet" and "known no tbaa info" so that it
can merge them properly.

llvm-svn: 116767
2010-10-18 23:31:47 +00:00
Dan Gohman
408beac597 Don't pass the raw invalid pointer used to represent conflicting
TBAA information to AliasAnalysis.

llvm-svn: 116751
2010-10-18 21:28:00 +00:00
Dan Gohman
71af9db0e8 Make AliasSetTracker TBAA-aware, enabling TBAA-enabled LICM.
llvm-svn: 116743
2010-10-18 20:44:50 +00:00
Owen Anderson
8ac477ffb5 Begin adding static dependence information to passes, which will allow us to
perform initialization without static constructors AND without explicit initialization
by the client.  For the moment, passes are required to initialize both their
(potential) dependencies and any passes they preserve.  I hope to be able to relax
the latter requirement in the future.

llvm-svn: 116334
2010-10-12 19:48:12 +00:00
Owen Anderson
df7a4f2515 Now with fewer extraneous semicolons!
llvm-svn: 115996
2010-10-07 22:25:06 +00:00
Benjamin Kramer
8548c892a8 Don't print two "0x" prefixes. Use a raw_ostream overload instead of llvm::format.
llvm-svn: 112479
2010-08-30 14:46:53 +00:00
Chris Lattner
f58382ed87 two changes: 1) make AliasSet hold the list of call sites with an
assertingvh so we get a violent explosion if the pointer dangles.

2) Fix AliasSetTracker::deleteValue to remove call sites with
   by-pointer comparisons instead of by-alias queries.  Using
   findAliasSetForCallSite can cause alias sets to get merged
   when they shouldn't, and can also miss alias sets when the
   call is readonly.

#2 fixes PR6889, which only repros with a .c file :(

llvm-svn: 112452
2010-08-29 18:42:23 +00:00
Chris Lattner
dc8070ed6d when merging two alias sets, the result set is volatile if either
of the sets is volatile.  We were dropping the volatile bit of the
merged in set, leading (luckily) to assertions in cases like 
PR7535.  I cannot produce a testcase that repros with opt, but this
is obviously correct.

llvm-svn: 112402
2010-08-29 04:14:47 +00:00
Chris Lattner
eef6b19dcb more cleanup
llvm-svn: 112401
2010-08-29 04:13:43 +00:00
Chris Lattner
afb7074f18 clean this up
llvm-svn: 112400
2010-08-29 04:06:55 +00:00
Owen Anderson
a7aed18624 Reapply r110396, with fixes to appease the Linux buildbot gods.
llvm-svn: 110460
2010-08-06 18:33:48 +00:00
Owen Anderson
bda59bd247 Revert r110396 to fix buildbots.
llvm-svn: 110410
2010-08-06 00:23:35 +00:00
Owen Anderson
755aceb5d0 Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static
ID member as the sole unique type identifier.  Clean up APIs related to this change.

llvm-svn: 110396
2010-08-05 23:42:04 +00:00
Dan Gohman
5442c71f2e Thread const correctness through a bunch of AliasAnalysis interfaces and
eliminate several const_casts.

Make CallSite implicitly convertible to ImmutableCallSite.

Rename the getModRefBehavior for intrinsic IDs to
getIntrinsicModRefBehavior to avoid overload ambiguity with CallSite,
which happens to be implicitly convertible to bool.

llvm-svn: 110155
2010-08-03 21:48:53 +00:00
Gabor Greif
2e2503cd8d simplify
llvm-svn: 109577
2010-07-28 10:46:09 +00:00
Owen Anderson
a57b97e7e7 Fix batch of converting RegisterPass<> to INTIALIZE_PASS().
llvm-svn: 109045
2010-07-21 22:09:45 +00:00
David Greene
0295ecfea0 Change dbgs() back to errs() as Chris requested.
llvm-svn: 92073
2009-12-23 22:49:57 +00:00
David Greene
2ec90035e8 Convert debug messages to use dbgs(). Generally this means
s/errs/dbgs/g except for certain special cases.

llvm-svn: 92029
2009-12-23 19:27:59 +00:00
Chris Lattner
88874ec60a Remove the AliasAnalysis::getMustAliases method, which is dead.
The hasNoModRefInfoForCalls isn't worth it as a filter because 
basicaa provides m/r info and everything chains to it, so remove
it.

llvm-svn: 89599
2009-11-22 16:01:44 +00:00
Chris Lattner
03d1bca60a remove unneeded checks of isFreeCall
llvm-svn: 85866
2009-11-03 05:35:19 +00:00
Victor Hernandez
f390e04a47 Rename MallocFreeHelper as MemoryBuiltins
llvm-svn: 85286
2009-10-27 20:05:49 +00:00
Victor Hernandez
762195bd01 Rename MallocHelper as MallocFreeHelper, since it now also identifies calls to free()
llvm-svn: 85181
2009-10-26 23:58:56 +00:00
Victor Hernandez
de5ad42aa1 Remove FreeInst.
Remove LowerAllocations pass.
Update some more passes to treate free calls just like they were treating FreeInst.

llvm-svn: 85176
2009-10-26 23:43:48 +00:00
Nick Lewycky
974e12b2d3 Remove includes of Support/Compiler.h that are no longer needed after the
VISIBILITY_HIDDEN removal.

llvm-svn: 85043
2009-10-25 06:57:41 +00:00
Nick Lewycky
02d5f77d26 Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.
Chris claims we should never have visibility_hidden inside any .cpp file but
that's still not true even after this commit.

llvm-svn: 85042
2009-10-25 06:33:48 +00:00
Chris Lattner
b1d782bec9 eliminate the std::ostream form of WriteAsOperand and update clients.
This also updates dominator related stuff.

llvm-svn: 79825
2009-08-23 05:17:37 +00:00
Dan Gohman
dc2b1b0a1c Fix some problems with ASTCallbackVH in its use as a DenseMap key.
llvm-svn: 77696
2009-07-31 18:21:48 +00:00
Dan Gohman
f4362da1b7 Use CallbackVH in AliasSetTracker to avoid getting stuck with
dangling Value*s.

llvm-svn: 77623
2009-07-30 20:21:41 +00:00
Dan Gohman
43d19d61d4 Make AliasAnalysis and related classes use
getAnalysisIfAvailable<TargetData>().

llvm-svn: 77028
2009-07-25 00:48:42 +00:00
Torok Edwin
fbcc663cbf llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").

llvm-svn: 75640
2009-07-14 16:55:14 +00:00
Torok Edwin
56d0659726 assert(0) -> LLVM_UNREACHABLE.
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.

llvm-svn: 75379
2009-07-11 20:10:48 +00:00
Devang Patel
7a78f3abd3 getEntryFor() may invalidate DenseMap iterator.
Walking an invalidated iterator is not a good idea.

llvm-svn: 68047
2009-03-30 18:34:47 +00:00
Chris Lattner
0eab5ecb71 reimplement AliasSetTracker in terms of DenseMap instead of hash_map,
hopefully no functionality change.

llvm-svn: 66398
2009-03-09 05:11:09 +00:00
Zhou Sheng
506035105c Ignore the debug info intrinsics when adding instructions into alias sets.
llvm-svn: 65934
2009-03-03 06:02:04 +00:00
Dan Gohman
a79db30d28 Tidy up several unbeseeming casts from pointer to intptr_t.
llvm-svn: 55779
2008-09-04 17:05:41 +00:00
Chris Lattner
b0ccc8c8bb Free and vaarg are not really volatile.
llvm-svn: 51407
2008-05-22 03:23:06 +00:00
Chris Lattner
b76ad168dc Fix PR2346 by marking vaarg as volatile so that licm doesn't try to
hoist them.

llvm-svn: 51356
2008-05-20 22:05:28 +00:00
Dan Gohman
d78c400b5b Clean up the use of static and anonymous namespaces. This turned up
several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017
2008-05-13 00:00:25 +00:00
Dan Gohman
79fff7cf85 Fix the way AliasSet::print prints "may alias".
llvm-svn: 50051
2008-04-21 19:48:48 +00:00
Dan Gohman
2cd8e38ab9 Teach AliasSetTracker about VAArgInst.
llvm-svn: 49674
2008-04-14 18:34:50 +00:00
Devang Patel
80e43fa744 Restore isCFGOnly property of various analysis passes.
llvm-svn: 48579
2008-03-20 02:25:21 +00:00
Devang Patel
718da668ab PassInfo keep tracks whether a pass is an analysis pass or not.
llvm-svn: 48554
2008-03-19 21:56:59 +00:00
Devang Patel
af75ab8130 Do not use virtual function to identify an analysis pass.
llvm-svn: 48520
2008-03-19 00:48:41 +00:00