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1653 Commits

Author SHA1 Message Date
Dan Gohman
3de0bd24db Delete AccessesArgumentsAndGlobals, which was unused. 
llvm-svn: 118610
 2010-11-09 19:41:37 +00:00
Dan Gohman
227bf9fea9 Add some comments noting some correspondences between ModRefBehavior 
values, LLVM IR function attributes, and LLVM intrinsic attributes.

llvm-svn: 118455
 2010-11-08 23:46:02 +00:00
Devang Patel
af569979a6 Document parameters. Fix typos. 
llvm-svn: 118424
 2010-11-08 18:28:34 +00:00
Dan Gohman
6909ecf66e Extend the AliasAnalysis::pointsToConstantMemory interface to allow it 
to optionally look for constant or local (alloca) memory.

Teach BasicAliasAnalysis::pointsToConstantMemory to look through Select
and Phi nodes, and to support looking for local memory.

Remove FunctionAttrs' PointsToLocalOrConstantMemory function, now that
AliasAnalysis knows all the tricks that it knew.

llvm-svn: 118412
 2010-11-08 16:45:26 +00:00
Dan Gohman
ee58dba24c Delete getIntrinsicModRefBehavior. Clients can just use the normal 
getModRefBehavior now, since it now understands intrinsics as well
as normal functions.

llvm-svn: 118411
 2010-11-08 16:11:19 +00:00
Dan Gohman
c3202f8550 Add comments. 
llvm-svn: 118408
 2010-11-08 15:34:42 +00:00
Devang Patel
6c1b802673 Introduce DIBuilder. It is intended to be a front-end friendly interface to emit debuggging information entries in LLVM IR. 
To create debugging information for a pointer, using DIBUilder front-end just needs
	DBuilder.CreatePointerType(Ty, Size);
instead of
	DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type,
                                       TheCU, "", getOrCreateMainFile(),
                                       0, Size, 0, 0, 0, OCTy);

llvm-svn: 118248
 2010-11-04 15:01:38 +00:00
Devang Patel
72715ef163 Add getFile() to get DIFile of a DIType. 
llvm-svn: 118247
 2010-11-04 14:56:34 +00:00
Devang Patel
43516e02b6 Simplify. 
-      DIFile F = getFieldAs<DIFile>(6); 
-      return F.getDirectory();
+      return getFieldAs<DIFile>(6).getDirectory(); 

llvm-svn: 117662
 2010-10-29 16:42:37 +00:00
Devang Patel
c40ecb9302 Fix indentation. 
llvm-svn: 117601
 2010-10-28 20:41:11 +00:00
Devang Patel
504232300c Backward compatibility. Gracefully handle older versions of debug info. 
llvm-svn: 117595
 2010-10-28 20:08:13 +00:00
Devang Patel
a496603faf Do not work too hard to find type's file info. There is a special field to record file info. 
llvm-svn: 117588
 2010-10-28 19:50:08 +00:00
Devang Patel
552a3a845c Fix indentation. 
llvm-svn: 117586
 2010-10-28 19:40:13 +00:00
Devang Patel
dcabf6f76a Do not rely on context to find file info. It is already provided as a separate field. 
llvm-svn: 117577
 2010-10-28 19:14:28 +00:00
Devang Patel
6c3a77ab58 Give a name to nameless argument. 
llvm-svn: 117468
 2010-10-27 18:08:31 +00:00
Benjamin Kramer
86b0370b66 SmallVectorize. 
llvm-svn: 117213
 2010-10-23 17:10:24 +00:00
Tobias Grosser
88ce93b0eb Add RegionPass support. 
A RegionPass is executed like a LoopPass but on the regions detected by the
RegionInfo pass instead of the loops detected by the LoopInfo pass.

llvm-svn: 116905
 2010-10-20 01:54:44 +00:00
Dan Gohman
399ef0b44a Move NoAA out of BasicAliasAnalysis.cpp into its own file, now that 
it doesn't have a special relationship with BasicAliasAnalysis
anymore.

llvm-svn: 116876
 2010-10-19 23:09:08 +00:00
Dan Gohman
befe1767ff 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
de3c49438f Revert r116831 and r116839, which are breaking selfhost builds. 
llvm-svn: 116858
 2010-10-19 21:06:16 +00:00
Dan Gohman
37a9b813f5 Oops, check in all the files for converting AliasAnalysis to 
use uint64_t.

llvm-svn: 116839
 2010-10-19 18:08:27 +00:00
Owen Anderson
46990c17f7 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
8b332ffb8c 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
6efd04961b 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
64affb7be2 Make AliasSetTracker TBAA-aware, enabling TBAA-enabled LICM. 
llvm-svn: 116743
 2010-10-18 20:44:50 +00:00
Benjamin Kramer
3d87b36b64 Remove noisy semicolon. 
llvm-svn: 116407
 2010-10-13 15:55:12 +00:00
Tobias Grosser
70507511ae Add Region::isTopLevelRegion(). 
llvm-svn: 116402
 2010-10-13 11:02:44 +00:00
Tobias Grosser
85dce73ab5 RegionInfo: Update RegionInfo after a BB was split. 
llvm-svn: 116398
 2010-10-13 05:54:13 +00:00
Tobias Grosser
6aac855519 RegioInfo: Add getExpandedRegion(). 
getExpandedRegion() enables us to create non canonical regions. Those regions
can be used to define the largerst region, that fullfills a certain property.

llvm-svn: 116397
 2010-10-13 05:54:11 +00:00
Tobias Grosser
ecfaf92c1a RegionInfo: Allow to update exit and entry of a region. 
llvm-svn: 116396
 2010-10-13 05:54:10 +00:00
Tobias Grosser
84dd4b54fc RegionInfo: Enhance addSubregion. 
llvm-svn: 116395
 2010-10-13 05:54:09 +00:00
Tobias Grosser
a2b5df5a6d RegionInfo: Allow to set the parent region of a basic block. 
llvm-svn: 116394
 2010-10-13 05:54:07 +00:00
Kenneth Uildriks
e9771f15f7 Now using a variant of the existing inlining heuristics to decide whether to create a given specialization of a function in PartialSpecialization. If the total performance bonus across all callsites passing the same constant exceeds the specialization cost, we create the specialization. 
llvm-svn: 116158
 2010-10-09 22:06:36 +00:00
Kenneth Uildriks
0545afa8fd Start separating out code metrics into code size metrics and code performance metrics. Partial Specialization will apply the former to function specializations, and the latter to all callsites that can use a specialization, in order to decide whether to create a specialization 
llvm-svn: 116057
 2010-10-08 13:57:31 +00:00
Devang Patel
ee23e6ea23 Provie a clearner interface so that FE can decide whether a function has prototype or not. 
llvm-svn: 115988
 2010-10-07 22:03:01 +00:00
Devang Patel
eeb0b64560 Add support for DW_TAG_unspecified_parameters. 
llvm-svn: 115833
 2010-10-06 20:50:40 +00:00
Dan Gohman
52980b97f9 Constify isReachableFromEntry. 
llvm-svn: 115788
 2010-10-06 15:49:14 +00:00
Devang Patel
f612c0b23e Add support to let FE mark explict methods as explict in debug info. 
llvm-svn: 115378
 2010-10-01 23:31:40 +00:00
Devang Patel
41e2a94595 Let FE mark a variable as artificial variable. 
llvm-svn: 115102
 2010-09-29 23:07:21 +00:00
Devang Patel
f600d9f0ed Add support to let FE encode method access specifier. 
llvm-svn: 115089
 2010-09-29 21:44:16 +00:00
Devang Patel
bbd003ab48 Generalize DISubprogram element to encode various flags instead of just one boolean for isArtificial. 
This is a backword compatible change.

llvm-svn: 115084
 2010-09-29 21:04:46 +00:00
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