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95452 Commits

Author SHA1 Message Date
Devang Patel 53a40df6ea Remove DW_AT_start_scope support. It is incomplete and superseeded by location entries support. 
llvm-svn: 118940
 2010-11-12 23:20:42 +00:00
Owen Anderson 0003a296ad Attemt to provide correct encodings for Thumb2 binary operators. 
llvm-svn: 118939
 2010-11-12 23:18:11 +00:00
Evan Cheng f478cf9685 Eliminate ARM::MOVi2pieces. Just use MOVi32imm and expand it to either movi+orr or movw+movt depending on the subtarget. 
llvm-svn: 118938
 2010-11-12 23:03:38 +00:00
Eric Christopher 49a66f7d71 Make this happen for ARM like x86. Don't entirely bail out when 
an address is in a different block, get it into a register and go
from there.

llvm-svn: 118936
 2010-11-12 22:52:32 +00:00
Evan Cheng 0fc8084a64 Add conditional mvn instructions. 
llvm-svn: 118935
 2010-11-12 22:42:47 +00:00
Ted Kremenek e0f9382d64 CursorVisitor: Pull ObjCMessageExpr and explicit casts into data-recursion algorithm. 
llvm-svn: 118934
 2010-11-12 22:24:57 +00:00
Ted Kremenek 0d693a161c CursorVisitor: migrate ObjCMessageExpr over to data-recursion algorithm. 
llvm-svn: 118933
 2010-11-12 22:24:55 +00:00
Johnny Chen 27e50be528 Implement TODO's of using expression command to set vaiables and to verify that 
they are displayed correctly.

llvm-svn: 118930
 2010-11-12 21:50:28 +00:00
Ted Kremenek cfbbeda7dc CursorVisitor: migrate UnresolvedMemberExpr and UnresolvedLookupExpr over to data-recursion algorithm. 
llvm-svn: 118929
 2010-11-12 21:34:16 +00:00
Ted Kremenek e12bcf5717 CursorVisitor: migrate CompoundLiteralExpr over to data-recursion algorithm. 
llvm-svn: 118928
 2010-11-12 21:34:12 +00:00
Ted Kremenek 6a5df579e6 CursorVisitor: add data-recursion support for InitListExprs. 
llvm-svn: 118927
 2010-11-12 21:34:09 +00:00
Jim Grosbach e09122b46b Zap a copy/paste-o bit of dead code. 
llvm-svn: 118926
 2010-11-12 21:29:10 +00:00
Jim Grosbach 31a7234a47 Refactor to parameterize some ARM load/store encoding patterns. Preparatory 
to splitting the load/store pre/post indexed instructions into [r, r] and
[r, imm] forms.

llvm-svn: 118925
 2010-11-12 21:28:15 +00:00
Owen Anderson 8fdd172502 First stab at providing correct Thumb2 encodings, start with adc. 
llvm-svn: 118924
 2010-11-12 21:12:40 +00:00
Duncan Sands 246b71c596 Have GVN simplify instructions as it goes. For example, consider 
"%z = %x and %y".  If GVN can prove that %y equals %x, then it turns
this into "%z = %x and %x".  With the new code, %z will be replaced
with %x everywhere (and then deleted).  Previously %z would be value
numbered too, which is a waste of time.  Also, while a clever value
numbering algorithm would give %z the same value number as %x, our
current one doesn't do so (at least I don't think it does).  The new
logic has an essentially equivalent effect to what you would get if
%z was given the same value number as %x, i.e. it should make value
numbering smarter.  While there, get hold of target data once at the
start rather than a gazillion times all over the place.

llvm-svn: 118923
 2010-11-12 21:10:24 +00:00
Evan Cheng 2d59ee34f1 Add some missing isel predicates on def : pat patterns to avoid generating VFP vmla / vmls (they cause stalls). Disabling them in isel is properly not a right solution, I'll look into a proper solution next. 
llvm-svn: 118922
 2010-11-12 20:32:20 +00:00
Jim Grosbach 6bb1ae9d45 Kill more unused stuff. 
llvm-svn: 118921
 2010-11-12 19:27:45 +00:00
Benjamin Kramer dcc7732f88 MCELF: Copy the symbol name only if we're going to modify it. 
llvm-svn: 118920
 2010-11-12 19:26:04 +00:00
Jim Grosbach 984ff7d17e Remove unused class. 
llvm-svn: 118919
 2010-11-12 19:24:53 +00:00
Rafael Espindola 7ac506d431 Add --enable-docs. Patch by NAKAMURA Takumi. 
llvm-svn: 118918
 2010-11-12 19:24:06 +00:00
Dan Gohman 0284c5d0c7 When the definition of an address value is in a different block 
from the user of the address, fall back to just using the
address in a register instead of bailing out of fast-isel
altogether.

llvm-svn: 118917
 2010-11-12 19:14:00 +00:00
Chris Lattner 87cf7f787e accept lret as an alias for lretl, fixing the reopened part of PR8592 
llvm-svn: 118916
 2010-11-12 18:54:56 +00:00
Benjamin Kramer c78d86a2af Reduce string thrashing. 
llvm-svn: 118915
 2010-11-12 18:45:23 +00:00
Rafael Espindola c4f4b2e878 Remove what looks like dead code in the production of debug lines. 
We only produce debug line information if we have seen a line directive, so
this code is dead. Also, if we want to be bug by bug compatible with
gas and sometimes produce "empty" .debug_line sections, this will
match the content produced by gas.

llvm-svn: 118914
 2010-11-12 18:41:26 +00:00
Andrew Trick 6cbf6c1db5 typo (4th checkin for one fix) 
llvm-svn: 118913
 2010-11-12 18:36:03 +00:00
Ted Kremenek cb035359e8 CursorVisitor: migrate 'DoStmt', 'ForStmt', and 'WhileStmt' over to data-recursion algorithm. 
llvm-svn: 118912
 2010-11-12 18:27:04 +00:00
Ted Kremenek b50e311bad CursorVisitor: use 'WLAddStmt' and 'WLAddDecl' for adding to data-recursion worklist. 
llvm-svn: 118911
 2010-11-12 18:27:01 +00:00
Ted Kremenek 3b19144e24 CursorVisitor: migrate 'IfStmt' over to data-recursive algorithm. 
llvm-svn: 118910
 2010-11-12 18:26:58 +00:00
Ted Kremenek 73227d792b CursorVisitor: migrate handling of SwitchStmt and CaseStmt over to general data-recursion algorithm. 
llvm-svn: 118909
 2010-11-12 18:26:56 +00:00
Andrew Trick b709ec6345 Emacs auto-fill bug. 
llvm-svn: 118908
 2010-11-12 18:17:46 +00:00
Jim Grosbach 3fd741191d Fill in the default predication bits for ARM unconditional branch. 
llvm-svn: 118907
 2010-11-12 18:13:26 +00:00
Andrew Trick ff5f8680d8 Test case for PR8287: SD scheduling time. Fixed in r118904. 
llvm-svn: 118906
 2010-11-12 17:57:22 +00:00
Jim Grosbach 0deb9c20c0 Encoding for ARM LDRSB instructions. 
llvm-svn: 118905
 2010-11-12 17:52:59 +00:00
Andrew Trick 116efac780 Fixes PR8287: SD scheduling time. The fix is a failsafe that prevents 
catastrophic compilation time in the event of unreasonable LLVM
IR. Code quality is a separate issue--someone upstream needs to do a
better job of reducing to llvm.memcpy. If the situation can be reproduced with
any supported frontend, then it will be a separate bug.

llvm-svn: 118904
 2010-11-12 17:50:46 +00:00
Chris Lattner 5b013b102d implement PR8592: empirically "lretq" is a "lret" with a rex.w prefix. 
llvm-svn: 118903
 2010-11-12 17:41:20 +00:00
Bob Wilson e6aeebb9d8 Generalize ASTContext::areCompatibleVectorTypes to handle new Neon vector types. 
llvm-svn: 118901
 2010-11-12 17:24:54 +00:00
Bob Wilson 6a6aaa1917 Increase VectorTypeBitfields::VecKind field from 2 to 3 bits. 
With the addition of 2 enum values for Neon vectors, this field must now
hold 6 different values and so requires 3 bits.  Make the NumElements field
one bit smaller to compensate.

llvm-svn: 118900
 2010-11-12 17:24:52 +00:00
Bob Wilson f58e8a4db7 Use ASTContext::getTypeInfo to find the vector element size. 
llvm-svn: 118899
 2010-11-12 17:24:49 +00:00
Bob Wilson 8470b33762 Add a separate NeonPolyVector kind to distinguish polynomial vector types. 
Add support for mangling those types according to ARM's ABI.

llvm-svn: 118898
 2010-11-12 17:24:46 +00:00
Bob Wilson c155521a96 Add special-case mangling for Neon vector types. 
llvm-svn: 118897
 2010-11-12 17:24:43 +00:00
Chris Lattner 64634c36dd tidy up. 
llvm-svn: 118896
 2010-11-12 17:24:29 +00:00
Rafael Espindola de990b270d gnu as support both % and @ before types, do the same. 
llvm-svn: 118893
 2010-11-12 15:47:08 +00:00
Benjamin Kramer 8c173cc364 Use a twine. 
llvm-svn: 118892
 2010-11-12 15:42:18 +00:00
Dan Gohman 970afd926f Re-disable TBAA for now; it broke MultiSource/Applications/JM/lencod, 
at least.

llvm-svn: 118890
 2010-11-12 11:21:08 +00:00
Kalle Raiskila 0a9dd405a5 Fix memory access lowering on SPU, adding 
support for the case where alignment<value size.

These cases were silently miscompiled before this patch.
Now they are overly verbose -especially storing is- and
any front-end should still avoid misaligned memory 
accesses as much as possible. The bit juggling algorithm
added here probably has some room for improvement still.

llvm-svn: 118889
 2010-11-12 10:14:03 +00:00
Eric Christopher 22d0492f34 Fix up a few more spots of addrmode2 (or not) changes that were 
missed. Update some comments accordingly.

Fixes rdar://8652289

llvm-svn: 118888
 2010-11-12 09:48:30 +00:00
John McCall 31f82720d0 Replace one hack with a different hack: strip out the ObjectType 
parameters to the Transform*Type functions and instead call out
the specific cases where an object type and the unqualified lookup
results are important.  Fixes an assert and failed compile on
a testcase from PR7248.

llvm-svn: 118887
 2010-11-12 08:19:04 +00:00
John McCall d41071329d API enhancements to TypeLocBuilder. 
llvm-svn: 118886
 2010-11-12 07:35:56 +00:00
Douglas Gregor 453b012513 Make sure to always check the result of 
SourceManager::getPresumedLoc(), so that we don't try to make use of
an invalid presumed location. Doing so can cause crashes.

llvm-svn: 118885
 2010-11-12 07:15:47 +00:00
Dan Gohman ea18d8ec2d Enable TBAA. 
llvm-svn: 118884
 2010-11-12 06:20:01 +00:00