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1612 Commits

Author SHA1 Message Date
Chris Lattner
b7bfd3de07 remove PointerTracking from mainline, Edwin is going to move it out to ClamAV 
for LLVM 2.9

llvm-svn: 115062
 2010-09-29 18:43:27 +00:00
Devang Patel
e1f502ee26 Provide an interface to let FEs anchor debug info for types. 
llvm-svn: 114969
 2010-09-28 18:08:20 +00:00
Dan Gohman
3c72647fd5 Constify properlyDominates in the same manner as dominates. 
Add constified overloads for findNearestCommonDominator.

llvm-svn: 114834
 2010-09-27 16:33:31 +00:00
Dan Gohman
e024d78aab Remove WriteGraph's Name argument, which it didn't use, and 
rename writeHeader's Name argument to Title, to be consistent
with WriteGraph.

llvm-svn: 114829
 2010-09-27 15:34:19 +00:00
Oscar Fuentes
2291919711 Avoid warnings about implicit conversions to `bool' in MSVC. This time 
for real.

Patch by Nathan Jeffords!

llvm-svn: 114796
 2010-09-25 20:27:36 +00:00
Dan Gohman
3ae6b70330 Fix uninitialized TBAAFlag field values. 
llvm-svn: 114591
 2010-09-22 22:18:07 +00:00
Dan Gohman
d69790d841 Teach memdep about TBAA tags. 
llvm-svn: 114588
 2010-09-22 21:41:02 +00:00
Dan Gohman
879cf5573e Constify. 
llvm-svn: 114574
 2010-09-22 20:11:43 +00:00
Dan Gohman
008676d2ee Add some utility routines. 
llvm-svn: 114483
 2010-09-21 21:20:13 +00:00
Benjamin Kramer
a81f2ba27e Make CreateComplexVariable independent of SmallVector. 
llvm-svn: 114439
 2010-09-21 16:00:03 +00:00
Dan Gohman
836ce09592 Add a pass which prints out all the memdep dependencies. 
llvm-svn: 114121
 2010-09-16 22:08:32 +00:00
Owen Anderson
3d4644bad9 Revert r114097, adding back in the assertion against replacing an Instruction by itself. Now that CorrelatedValuePropagation is 
more careful not to call SimplifyInstructionsInBlock() on an unreachable block, the issue has been fixed at a higher level.  Add
a big warning to SimplifyInstructionsInBlock() to hopefully prevent this in the future.

llvm-svn: 114117
 2010-09-16 20:51:41 +00:00
Dan Gohman
ebbc4df924 Remove the experimental AliasAnalysis::getDependency interface, which 
isn't a good level of abstraction for memdep. Instead, generalize
AliasAnalysis::alias and related interfaces with a new Location
class for describing a memory location. For now, this is the same
Pointer and Size as before, plus an additional field for a TBAA tag.

Also, introduce a fixed MD_tbaa metadata tag kind.

llvm-svn: 113858
 2010-09-14 21:25:10 +00:00
Gabor Greif
dfe6dea95f typoes 
llvm-svn: 113647
 2010-09-10 22:25:58 +00:00
Owen Anderson
f7276d42d3 What the loop unroller cares about, rather than just not unrolling loops with calls, is 
not unrolling loops that contain calls that would be better off getting inlined.  This mostly
comes up when an interleaved devirtualization pass has devirtualized a call which the inliner
will inline on a future pass.  Thus, rather than blocking all loops containing calls, add
a metric for "inline candidate calls" and block loops containing those instead.

llvm-svn: 113535
 2010-09-09 20:32:23 +00:00
Dan Gohman
7fbaed00bf Extend the getDependence query with support for PHI translation. 
llvm-svn: 113521
 2010-09-09 18:37:31 +00:00
Dan Gohman
e1fb5b5738 Fix this comment. 
llvm-svn: 113511
 2010-09-09 18:04:22 +00:00
Owen Anderson
9a194c80c4 Refactor code-size reduction estimation methods out of InlineCostAnalyzer and into CodeMetrics. They 
don't use any InlineCostAnalyzer state, and are useful for other clients who don't necessarily want to use
all of InlineCostAnalyzer's logic, some of which is fairly inlining-specific.

No intended functionality change.

llvm-svn: 113499
 2010-09-09 16:56:42 +00:00
Dan Gohman
de56ae353b Add a new experimental generalized dependence query interface to 
AliasAnalysis, and some code for implementing the new query on top of
existing implementations by making standard alias and getModRefInfo
queries.

llvm-svn: 113329
 2010-09-08 01:32:20 +00:00
Dan Gohman
6d4356d31f Tidy up the getModRefInfo declarations. 
llvm-svn: 113275
 2010-09-07 20:37:47 +00:00
Chris Lattner
818045f208 pull a simple method out of LICM into a new 
Loop::hasLoopInvariantOperands method. Remove
a useless and confusing Loop::isLoopInvariant(Instruction)
method, which didn't do what you thought it did.

No functionality change.

llvm-svn: 113133
 2010-09-06 01:05:37 +00:00
Dan Gohman
ad593f9d93 Revert 112442 and 112440 until the compile time problems introduced 
by 112440 are resolved.

llvm-svn: 112692
 2010-09-01 01:45:53 +00:00
Dan Gohman
d261381db5 Update the descriptions of NoModRef and ModRef to be consistent 
with the descriptions of Mod and Ref.

llvm-svn: 112557
 2010-08-30 23:47:24 +00:00
Chris Lattner
9e35d96cea 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
Dan Gohman
9ea315c5ca Make IVUsers iterative instead of recursive. 
This has the side effect of reversing the order of most of
IVUser's results.

llvm-svn: 112442
 2010-08-29 16:40:03 +00:00
Dan Gohman
636c57c5de Switch ScalarEvolution's main Value*->SCEV* map from std::map 
to DenseMap.

llvm-svn: 112281
 2010-08-27 18:55:03 +00:00
Eric Christopher
6263463ccb Fix header define to reflect the name of the file. 
Patch by Adam Treat!

llvm-svn: 112077
 2010-08-25 19:28:39 +00:00
Devang Patel
cf6c6b4038 Handle qualified constants that are directly folded by FE. 
PR 7920.

llvm-svn: 111820
 2010-08-23 18:25:56 +00:00
Dan Gohman
31ab7e6b8c CreateTemporaryType doesn't needs its Context argument. 
llvm-svn: 111687
 2010-08-20 22:39:47 +00:00
Dan Gohman
072e7bdcd4 Introduce a new temporary MDNode concept. Temporary MDNodes are 
not part of the IR, are not uniqued, and may be safely RAUW'd.
This replaces a variety of alternate mechanisms for achieving
the same effect.

llvm-svn: 111681
 2010-08-20 22:02:26 +00:00
Chris Lattner
bd80bd5d69 move gep decomposition out of ValueTracking into BasicAA. The form of 
decomposition that it is doing is very basicaa specific and is only used
by basicaa.

Now with less tree breakingness.

llvm-svn: 111433
 2010-08-18 22:07:29 +00:00
Daniel Dunbar
3d68ce9eeb Revert r111375, "move gep decomposition out of ValueTracking into BasicAA. The 
form of", it doesn't pass tests.

llvm-svn: 111385
 2010-08-18 18:43:08 +00:00
Owen Anderson
65795241db Inform LazyValueInfo whenever a block is deleted, to avoid dangling pointer issues. 
llvm-svn: 111382
 2010-08-18 18:39:01 +00:00
Chris Lattner
2d584f0b0e move gep decomposition out of ValueTracking into BasicAA. The form of 
decomposition that it is doing is very basicaa specific and is only used
by basicaa.

llvm-svn: 111375
 2010-08-18 18:22:17 +00:00
Dan Gohman
cc19893826 Revert r111031. The way LLVM defines loop invariance, the property of an 
expression being loop invariant is not equivalent to the property of
properly dominating the loop header.

Other optimizations have also made this optimization less important.

llvm-svn: 111160
 2010-08-16 17:34:25 +00:00
Dan Gohman
928cf9d77b Placate overzealous compiler warnings. 
llvm-svn: 111152
 2010-08-16 17:01:55 +00:00
Dan Gohman
6d808db278 Move SCEVNAryExpr's virtual member functions out of line, and convert 
them to iterators.

llvm-svn: 111140
 2010-08-16 16:21:27 +00:00
Dan Gohman
3921a903bb Specialize FoldingSetTrait<SCEV>, providing implementations of node 
comparison and hash computation which don't require constructing
temporary ID values.

llvm-svn: 111131
 2010-08-16 15:31:45 +00:00
Dan Gohman
c58d128eb8 Implement hasComputableLoopEvolution for Add, Mul, and Trunc operators, 
since they can support trivial implementations. This avoids potentially
expensive traversals of the operands.

llvm-svn: 111031
 2010-08-13 20:03:15 +00:00
Dan Gohman
2d7bf8c073 Make LoopPass::getContainedPass return a LoopPass* instead of a Pass* 
and remove casts from all its callers.

llvm-svn: 110848
 2010-08-11 20:34:43 +00:00
Dan Gohman
7e49302e9a Rename and reorder the arguments to isImpliedCond, for consistency and clarity. 
llvm-svn: 110750
 2010-08-10 23:46:30 +00:00
Devang Patel
17606414a4 Add missing argument. CreateCompositeTypeEx() users, please verify. 
llvm-svn: 110717
 2010-08-10 20:22:49 +00:00
Devang Patel
8d0c79694e Refactor. 
llvm-svn: 110607
 2010-08-09 21:39:24 +00:00
Dan Gohman
0c6a626902 Remove assignPassManager's default arguments. It's really 
confusing to have different arguments for the same virtual
function at different levels of the class hierarchy.

llvm-svn: 110500
 2010-08-07 01:25:32 +00:00
Dan Gohman
a581d6d202 Tidy up PMStack. Add a bunch of consts, use std::vector instead of 
std::deque, since this is a stack and only supports push/pop on
one end, and remove an unimplemented declaration.

llvm-svn: 110495
 2010-08-07 00:53:01 +00:00
Owen Anderson
f2fea95f2f Reapply r110396, with fixes to appease the Linux buildbot gods. 
llvm-svn: 110460
 2010-08-06 18:33:48 +00:00
Dan Gohman
da3f592fb3 Implement a proper getModRefInfo for va_arg. 
llvm-svn: 110458
 2010-08-06 18:24:38 +00:00
Dan Gohman
66b637e4da Add a comment. 
llvm-svn: 110426
 2010-08-06 02:04:07 +00:00
Owen Anderson
aadd8a89ca Revert r110396 to fix buildbots. 
llvm-svn: 110410
 2010-08-06 00:23:35 +00:00
Dan Gohman
ecf79cf569 Make AA private, since subclasses shouldn't (aren't don't) access it directly. 
llvm-svn: 110398
 2010-08-05 23:44:45 +00:00