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95455 Commits

Author SHA1 Message Date
Wesley Peck 4b074b8995 Fixing improperly encoded reverse subtract instructions in MBlaze backend. 
llvm-svn: 118943
 2010-11-12 23:41:10 +00:00
Owen Anderson 7cd724ae7d Revert r118939 while I work out why it broke some buildbots. 
llvm-svn: 118942
 2010-11-12 23:36:03 +00:00
Wesley Peck c542248602 1. Finishing MBlaze MC asm parser test cases 
2. Parsing .word directive in MBlaze asm parser
3. Fixing hack where memory instructions reversed order of last two parameters
4. Fixing many improperly encoded instructions
5. Support parsing special instructions (MFS,MTS,etc.)
6. Removing unused functions from inst printer

llvm-svn: 118941
 2010-11-12 23:30:17 +00:00
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