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85606 Commits

Author SHA1 Message Date
Dan Gohman 3570f81b1e Move PHIElimination's SplitCriticalEdge for MachineBasicBlocks out 
into a utility routine, teach it how to update MachineLoopInfo, and
make use of it in MachineLICM to split critical edges on demand.

llvm-svn: 106555
 2010-06-22 17:25:57 +00:00
Fariborz Jahanian a9f90275cc Trying to make BuildBot happy again (related to PR7431). 
llvm-svn: 106553
 2010-06-22 17:08:32 +00:00
Argyrios Kyrtzidis 6e57c35513 Read/write CXXDeleteExpr from/to PCH. 
llvm-svn: 106552
 2010-06-22 17:07:59 +00:00
Douglas Gregor db48cf3c31 Don't allow vector conversions to sneak in under the guise of 
floating-point conversions or floating-integral conversions. We
really, really, really need to make isFloatingType() and friends not
apply to vector types.

llvm-svn: 106551
 2010-06-22 16:52:27 +00:00
Fariborz Jahanian 7966aff294 Fixes a problem in generation of meta-data for 
category implementation whereby property list was missing.
NeXt ObjC runtime (radar 8093297).

llvm-svn: 106550
 2010-06-22 16:33:55 +00:00
Anders Carlsson ea836bc41c Switch over to the new caching version of getMangledName. 
llvm-svn: 106549
 2010-06-22 16:16:50 +00:00
Jakob Stoklund Olesen 9c47dac677 Remove the SimpleJoin optimization from SimpleRegisterCoalescing. 
Measurements show that it does not speed up coalescing, so there is no reason
the keep the added complexity around.

Also clean out some unused methods and static functions.

llvm-svn: 106548
 2010-06-22 16:13:57 +00:00
Anders Carlsson 2e2f4d2e6d Add a new variant of getMangledName that caches the mangling for decls. 
llvm-svn: 106547
 2010-06-22 16:05:32 +00:00
Anders Carlsson 16d9f1788e Add GlobalDecl::getCanonicalDecl. 
llvm-svn: 106546
 2010-06-22 16:00:14 +00:00
Benjamin Kramer eb9165c08f Reduce code duplication. 
This also moves strlen out of the mutex scope.

llvm-svn: 106545
 2010-06-22 15:28:34 +00:00
Benjamin Kramer 53a61dc531 Ensure GetDemangledName's thread safety by making the demangle buffer thread specific. 
I'm not sure when multiple threads enter this method but a race-condition
causing a crash in malloc can be reproduced with this little script:

echo file $(which lldb) > cmd
echo "run\nbreak set -n main\nrun\nexit" >> cmd
lldb -s cmd

It may need a few runs before it crashes though.

llvm-svn: 106544
 2010-06-22 15:28:29 +00:00
Dan Gohman 3986af0c5a Split out the code for finding a unique loop predecessor from 
getLoopPreheader into a separate function, for clients which don't
require a proper preheader.

llvm-svn: 106543
 2010-06-22 15:25:42 +00:00
Dan Gohman d2d1ae105d Use pre-increment instead of post-increment when the result is not used. 
llvm-svn: 106542
 2010-06-22 15:08:57 +00:00
Douglas Gregor a46d66122f When we ask for the enumerators of an EnumDecl, make sure we get them even if we have a EnumDecl that is not the definition of the enumeration 
llvm-svn: 106541
 2010-06-22 14:45:56 +00:00
Douglas Gregor c9ea2d5a67 In C++, allow a declaration of an enum to follow a definition of that 
enum as a GNU extension.

llvm-svn: 106540
 2010-06-22 14:26:35 +00:00
Dan Gohman 5666ad7381 Add a comment explaining a non-obvious API. 
llvm-svn: 106539
 2010-06-22 13:57:08 +00:00
Dan Gohman 2ceaa71bdb Add an explicit keyword. 
llvm-svn: 106538
 2010-06-22 13:53:29 +00:00
Dan Gohman f820bd327d Allow "exhaustive" trip count evaluation on phi nodes with all 
constant operands.

llvm-svn: 106537
 2010-06-22 13:15:46 +00:00
Argyrios Kyrtzidis 75000b6814 Fix PR7180. 
For

void f( a:🅱️:c );

we would cache the tokens "a:🅱️:" but then we would try to annotate them using the range "a::".
Before annotating them with the (invalid) C++ scope spec, set it to the range of "a:🅱️:".

llvm-svn: 106536
 2010-06-22 11:30:04 +00:00
Benjamin Kramer 104819c6eb Move trivial parts of UserID into the header. 
llvm-svn: 106535
 2010-06-22 10:44:12 +00:00
Argyrios Kyrtzidis 69da4a8f07 Support emitting/reading function templates to/from PCH. 
llvm-svn: 106534
 2010-06-22 09:55:07 +00:00
Argyrios Kyrtzidis ae85e2414c -Introduce PCHReader::ReadTemplateArgumentLoc() 
-Introduce PCHWriter::AddTemplateArgumentLocInfo()
-Modify PCHWriter::AddTemplateArgumentLoc() to also write TemplateArgumentLoc's TemplateArgument
  and move the existing calls of AddTemplateArgumentLoc() to AddTemplateArgumentLocInfo().

llvm-svn: 106533
 2010-06-22 09:54:59 +00:00
Argyrios Kyrtzidis cb6f346873 Make it easier to read/write the template part of FunctionDecl. 
Introduce:
-FunctionDecl::getTemplatedKind() which returns an enum signifying what kind of templated
  FunctionDecl it is.
-An overload of FunctionDecl::setFunctionTemplateSpecialization() which accepts arrays of
  TemplateArguments and TemplateArgumentLocs
-A constructor to TemplateArgumentList which accepts an array of TemplateArguments.

llvm-svn: 106532
 2010-06-22 09:54:51 +00:00
Benjamin Kramer 1e63c74f60 Silence warning about C++-style comments. 
llvm-svn: 106531
 2010-06-22 09:29:44 +00:00
Zhongxing Xu 4505747979 Add a bunch of stream APIs to SteamChecker. 
llvm-svn: 106530
 2010-06-22 07:50:21 +00:00
Devang Patel f040dec68a Revert 106528. It is causing self host failures. 
llvm-svn: 106529
 2010-06-22 06:14:09 +00:00
Devang Patel b195eb4acf Do not rely on DenseMap slot which can be easily invalidated when DenseMap grows. 
llvm-svn: 106528
 2010-06-22 05:16:56 +00:00
Douglas Gregor ef4a2a2b54 Apply array-to-pointer decay when instantiating a MemberExpr. Fixes 
PR7405, patch by Kyle Lippincott!

llvm-svn: 106523
 2010-06-22 02:41:05 +00:00
Douglas Gregor de049cdbe6 Attempt to fix test 
llvm-svn: 106522
 2010-06-22 02:17:07 +00:00
Bob Wilson 6c1fc79cab Revert my change to clone named metadata. Buildbots are complaining. 
--- Reverse-merging r106508 into '.':
U    lib/Transforms/Utils/CloneModule.cpp

llvm-svn: 106521
 2010-06-22 02:08:51 +00:00
Dan Gohman 2370e2fe0f When unfolding a load, avoid assuming which instruction that 
kill and dead flags will end up on.

llvm-svn: 106520
 2010-06-22 02:07:21 +00:00
Devang Patel b6e058da18 Use single interface, using twine, to get named metadata. 
getNamedMetadata().

llvm-svn: 106518
 2010-06-22 01:19:38 +00:00
Evan Cheng 37bb617f8a Tail merging pass shall not break up IT blocks. rdar://8115404 
llvm-svn: 106517
 2010-06-22 01:18:16 +00:00
Devang Patel cbc6fd8493 Discard special LLVM prefix from linkage name. 
llvm-svn: 106516
 2010-06-22 01:06:05 +00:00
Devang Patel ad51735794 Do not rely on Twine temporaries to survive. 
llvm-svn: 106515
 2010-06-22 01:01:58 +00:00
Chris Lattner 60bb7c42a7 make sure to initialize indent_level 
llvm-svn: 106513
 2010-06-22 00:40:26 +00:00
Dan Gohman 851e478e6b Fix the new load-unfolding code to update LiveVariable's dead flags, 
in addition to the kill flags.

llvm-svn: 106512
 2010-06-22 00:32:04 +00:00
Fariborz Jahanian 469b200321 Per Chris's comment, remove another static (this one 
is a static comparator operator).

llvm-svn: 106511
 2010-06-22 00:23:08 +00:00
Johnny Chen 7c3f7fee41 Left a debug statement in the previous checkin. 
llvm-svn: 106510
 2010-06-22 00:13:20 +00:00
Johnny Chen a02199f5e7 Remove stale reference to the lldb path component. 
llvm-svn: 106509
 2010-06-22 00:11:26 +00:00
Bob Wilson 5f9575c1cd Include named metadata when cloning a module. 
llvm-svn: 106508
 2010-06-22 00:11:03 +00:00
Chris Lattner 3c77a355e0 implement support for -finstrument-functions, patch by Nelson 
Elhage!

llvm-svn: 106507
 2010-06-22 00:03:40 +00:00
Eric Christopher b2c4a99d52 Fix typo. 
llvm-svn: 106505
 2010-06-21 23:49:08 +00:00
Douglas Gregor 27b98eae80 Alter the internal representation of the condition variable in 
if/while/switch/for statements to ensure that walking the children of
these statements actually works. Previously, we stored the condition
variable as a VarDecl. However, StmtIterator isn't able to walk from a
VarDecl to a set of statements, and would (in some circumstances) walk
beyond the end of the list of statements, cause Bad Behavior.

In this change, we've gone back to representing the condition
variables as DeclStmts. While not as memory-efficient as VarDecls, it
greatly simplifies iteration over the children. 

Fixes the remainder of <rdar://problem/8104754>.

llvm-svn: 106504
 2010-06-21 23:44:13 +00:00
Fariborz Jahanian c9fec975e6 Avoid using a local static for providing lexical 
order of priorotized global object initializations.

llvm-svn: 106503
 2010-06-21 23:31:29 +00:00
Chris Lattner 64960f55fe add some support for blockaddress. This isn't really enough to be useful, 
but it will cover uses of blockaddress that are actually in a function.

llvm-svn: 106502
 2010-06-21 23:19:36 +00:00
Chris Lattner bb45b964f8 eliminate a mutable global variable, use raw_ostream::indent instead of 
rolling our own.

llvm-svn: 106501
 2010-06-21 23:14:47 +00:00
Chris Lattner a0b8c90870 un-indent a huge amount of code out of an anonymous namespace. 
llvm-svn: 106500
 2010-06-21 23:12:56 +00:00
Bruno Cardoso Lopes b7dadb0e95 revert r106482 
llvm-svn: 106499
 2010-06-21 22:59:03 +00:00
Chris Lattner 26d7950f8f fix several bugs in the tutorial, patch by Kevin Kelley! 
llvm-svn: 106498
 2010-06-21 22:51:14 +00:00