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37021 Commits

Author SHA1 Message Date
Chris Lattner
5d97a9a10d fix an ambiguous pattern, contrary to expectations, scalar_to_vector 
doesn't have a type constraint on the scalar because we don't have
an 'sAny' type.

llvm-svn: 98527
 2010-03-15 00:52:43 +00:00
Chris Lattner
37c5893297 remove dead method. 
llvm-svn: 98526
 2010-03-15 00:00:42 +00:00
Chris Lattner
aa217407b9 don't forget to close a FD on an error condition, found by 
cppcheck, PR6617.  Patch by Ettl Martin!

llvm-svn: 98525
 2010-03-14 23:16:45 +00:00
Chris Lattner
241e8fa570 tidy indentation 
llvm-svn: 98523
 2010-03-14 22:44:11 +00:00
Chris Lattner
1b5fdcde7a no really, all 64-bit cpu's have cmov support. This should 
fix the rest of the buildbot failures on non-x86 hosts.

llvm-svn: 98522
 2010-03-14 22:39:35 +00:00
Chris Lattner
7d4cb40969 all 64-bit cpus have cmov, this should fix CodeGen/X86/cmov.ll 
(at least) on non-x86 builders.

llvm-svn: 98520
 2010-03-14 22:24:34 +00:00
Benjamin Kramer
be3d9aadbd Remove pointless forward declaration, MSVC got confused by this. 
llvm-svn: 98519
 2010-03-14 22:00:28 +00:00
Duncan Sands
217cec1786 Turn calls to copysignl into an FCOPYSIGN node. Handle FCOPYSIGN nodes 
with ppc_f128 type by having the type legalizer turn these back into a
call to copysignl.

llvm-svn: 98514
 2010-03-14 21:08:40 +00:00
Evan Cheng
f91618ae9f Rename SDDbgValue.h to SDNodeDbgValue.h for consistency. 
llvm-svn: 98513
 2010-03-14 19:56:39 +00:00
Chris Lattner
70eca8f78e fix ShrinkDemandedOps to not leave dead nodes around, 
fixing PR6607

llvm-svn: 98512
 2010-03-14 19:46:02 +00:00
Chris Lattner
5393443ed6 rewrite ShrinkDemandedOps to be faster and indent less, 
no functionality change.

llvm-svn: 98511
 2010-03-14 19:43:04 +00:00
Evan Cheng
6bc9eccbe4 Fix jit encoding bugs. 
llvm-svn: 98510
 2010-03-14 19:28:34 +00:00
Chris Lattner
f656ba2910 make -view-isel-dags print after the 'ShrinkDemandedOps' pass. 
llvm-svn: 98509
 2010-03-14 19:27:55 +00:00
Chris Lattner
c50b8b27f5 fix PR6605, X86ISD::CMP always returns i32 (EFLAGS), not 
the operand type.

llvm-svn: 98507
 2010-03-14 18:44:35 +00:00
Anton Korobeynikov
90fcfccc91 Add substarget feature for FP16 
llvm-svn: 98503
 2010-03-14 18:42:38 +00:00
Anton Korobeynikov
48357cdc62 Add codegen support for FP16 on ARM 
llvm-svn: 98502
 2010-03-14 18:42:31 +00:00
Anton Korobeynikov
2cb4451ae6 Make default expansion for FP16 <-> FP32 nodes into libcalls 
llvm-svn: 98501
 2010-03-14 18:42:24 +00:00
Anton Korobeynikov
95f830f289 Add DAG nodes to represent FP16 <-> FP32 intrinsics 
llvm-svn: 98500
 2010-03-14 18:42:15 +00:00
Chris Lattner
1469c1b01e add support for pentium class CPUs which do not have cmov, 
PR4841.  Patch by Craig Smith!

llvm-svn: 98496
 2010-03-14 18:31:44 +00:00
Chris Lattner
2bdb0765f8 fix AsmPrinter::GetBlockAddressSymbol to always return a unique 
label instead of trying to form one based on the BB name (which
causes collisions if the name is empty).  This fixes PR6608

llvm-svn: 98495
 2010-03-14 17:53:23 +00:00
Chris Lattner
fbf6891967 comment fix. 
llvm-svn: 98494
 2010-03-14 17:10:52 +00:00
Chris Lattner
239d05bad6 shrink 4-byte branches to 1-byte branches when lowering from 
MachineInstr -> MCInst.  This is what the assembler backend wants,
it relaxes from smaller to larger things.  This fixes rdar://7750815

llvm-svn: 98493
 2010-03-14 17:04:18 +00:00
Bill Wendling
0b0be33c46 Skip over debug info when trying to merge two return BBs. 
llvm-svn: 98491
 2010-03-14 10:40:55 +00:00
Bill Wendling
3320ee3d10 Make returns more consistent with others. 
llvm-svn: 98490
 2010-03-14 10:40:28 +00:00
Chris Lattner
9331acc6d7 get MMI out of the label uniquing business, just go to MCContext 
to get unique assembler temporary labels.

llvm-svn: 98489
 2010-03-14 08:36:50 +00:00
Chris Lattner
e939096a3b fix these two get the mcsymbol operand instead of imm operand. 
llvm-svn: 98487
 2010-03-14 08:28:48 +00:00
Chris Lattner
3eb55835b5 add a new CreateTempSymbol method, the use case for 
CreateTempSymbol vs GetOrCreateTemporarySymbol are
completely different.

llvm-svn: 98486
 2010-03-14 08:23:30 +00:00
Chris Lattner
5af59dfd1b don't use getDWLabel("label" anymore, always go through MMI. 
llvm-svn: 98485
 2010-03-14 08:18:13 +00:00
Chris Lattner
49130c09d0 remove now-dead code, all labels use MCSymbols. 
llvm-svn: 98484
 2010-03-14 08:17:53 +00:00
Chris Lattner
5ee7841af2 change SrcLineInfo to contain a label instead of a label ID. 
llvm-svn: 98483
 2010-03-14 08:15:55 +00:00
Chris Lattner
23ec7363b8 Now that DBG_LABEL is updated, we can finally make MachineMove 
contain an MCSymbol instead of a label index.

llvm-svn: 98482
 2010-03-14 08:12:40 +00:00
Chris Lattner
ba3b320aa3 change the DBG_LABEL MachineInstr to always be created 
with an MCSymbol instead of an immediate.

llvm-svn: 98481
 2010-03-14 07:56:48 +00:00
Chris Lattner
45aceed227 unbreak the build, grr symlinks. 
llvm-svn: 98477
 2010-03-14 07:36:49 +00:00
Chris Lattner
35d8b4e3e5 Change this code to allocate temporary labels from mccontext, 
not from MMI.

llvm-svn: 98475
 2010-03-14 07:29:45 +00:00
Chris Lattner
853b4f38df switch GC_LABEL to use an MCSymbol operand instead of a label ID operand. 
llvm-svn: 98474
 2010-03-14 07:27:07 +00:00
Chris Lattner
ee71bdd77f Fix some EH failures on NNT I introduced in r98461 
llvm-svn: 98471
 2010-03-14 07:02:50 +00:00
Chris Lattner
961e202df4 fix a bug I introduced in r98459, causing some NNT failures. 
llvm-svn: 98470
 2010-03-14 06:50:56 +00:00
Evan Cheng
7d8c39bb1c Do not force indirect tailcall through fixed registers: eax, r11. Add support to allow loads to be folded to tail call instructions. 
llvm-svn: 98465
 2010-03-14 03:48:46 +00:00
Daniel Dunbar
03a9f8588c MC: Fix a crash on invalid, attempting to evaluate undefined symbols. 
llvm-svn: 98464
 2010-03-14 03:10:40 +00:00
Chris Lattner
5fef80c5aa change the LabelSDNode to be EHLabelSDNode and make it hold 
an MCSymbol.  Make the EH_LABEL MachineInstr hold its label
with an MCSymbol instead of ID.  Fix a bug in MMI.cpp which
would return labels named "Label4" instead of "label4".

llvm-svn: 98463
 2010-03-14 02:33:54 +00:00
Chris Lattner
de49dbc188 eliminate InvalidateLabel and LabelIDList from MMI and replace 
them with a counter.

llvm-svn: 98462
 2010-03-14 02:24:55 +00:00
Chris Lattner
f856c407af use Label->isDefined() instead of isLabelDeleted() now that we 
consistently use MCSymbol and only call this predicate after
they should have been emitted.

llvm-svn: 98461
 2010-03-14 02:20:58 +00:00
Chris Lattner
72761c4e3d fix some pointless layering violations. 
llvm-svn: 98460
 2010-03-14 01:56:06 +00:00
Chris Lattner
149cf816bb change EH related stuff (other than EH_LABEL) to use MCSymbol 
instead of label ID's.  This cleans up and regularizes a bunch 
of code and makes way for future progress.

Unfortunately, this pointed out to me that JITDwarfEmitter.cpp
is largely copy and paste from DwarfException/MachineModuleInfo
and other places.  This is very sad and disturbing. :(

One major change here is that TidyLandingPads moved from being
called in DwarfException::BeginFunction to being called in
DwarfException::EndFunction.  There should not be any 
functionality change from doing this, but I'm not an EH expert.

llvm-svn: 98459
 2010-03-14 01:41:15 +00:00
Daniel Dunbar
8b64742f0c X86_64: Fix encoding for the rest of the 64i32 instructions too. 
llvm-svn: 98458
 2010-03-13 22:57:53 +00:00
Daniel Dunbar
a6526284f4 X86: Fix ADD64i32 encoding. 
llvm-svn: 98457
 2010-03-13 22:49:39 +00:00
Daniel Dunbar
eb158a88db MC/X86_64: Symbol support. 
llvm-svn: 98456
 2010-03-13 22:49:35 +00:00
Daniel Dunbar
fec15da5d7 MC/Mach-O: Initial x86_64 support. 
llvm-svn: 98454
 2010-03-13 22:10:17 +00:00
Chris Lattner
ceaa2343e7 eliminate the now-unneeded context argument of MBB::getSymbol() 
llvm-svn: 98451
 2010-03-13 21:04:28 +00:00
Chris Lattner
e7538fa303 rearrange MCContext ownership. Before LLVMTargetMachine created it 
and passing off ownership to AsmPrinter.  Now MachineModuleInfo
creates it and owns it by value.  This allows us to use MCSymbols
more consistently throughout the rest of the code generator, and
simplifies a bit of code.  This also allows MachineFunction to 
keep an MCContext reference handy, and cleans up the TargetRegistry
interfaces for AsmPrinters.

llvm-svn: 98450
 2010-03-13 20:55:24 +00:00
Jeffrey Yasskin
c57043834c Allow types that have been forwarded to to be freed. 
Tested: make check-lit && valgrind --dsymutil=yes --leak-check=full unittests/ExecutionEngine/JIT/Debug/JITTests
llvm-svn: 98447
 2010-03-13 20:09:55 +00:00
Daniel Dunbar
6d5fa0c9d6 MC/X86_64: Fix matching of leaq. 
llvm-svn: 98444
 2010-03-13 19:31:44 +00:00
Daniel Dunbar
de2f4ae158 MC/X86_64: Fix matching of callq. 
llvm-svn: 98443
 2010-03-13 19:31:38 +00:00
Chris Lattner
58097a4b82 add a hack to allow parsing negative minint. rdar://7751341 
llvm-svn: 98442
 2010-03-13 19:25:13 +00:00
Chris Lattner
533e5c8ffd add support for MCSymbols as operands to MachineInstrs. 
llvm-svn: 98433
 2010-03-13 08:14:18 +00:00
Chris Lattner
f26e0336c2 simplify EmitFrameMoves to take BaseLabel in as a symbol 
instead of as a stem+idx pair, simplify the "is a new 
location" check to use symbol comparison.

llvm-svn: 98432
 2010-03-13 08:05:25 +00:00
Chris Lattner
7bc8284fed simplify some overly general code. The stack always grows down on x86. 
llvm-svn: 98431
 2010-03-13 08:04:35 +00:00
Benjamin Kramer
3e9e66d9e4 Fix another warning. There is a functionality change but I believe it's correct. 
llvm-svn: 98430
 2010-03-13 07:50:22 +00:00
Chris Lattner
ade5faaac4 factor some labels, simplify some code. 
llvm-svn: 98429
 2010-03-13 07:40:56 +00:00
Bob Wilson
163aa28fa1 Attempt to appease the arm-linux buildbot by fixing the JIT encodings for new 
base register updating load/store-multiple instructions.

llvm-svn: 98427
 2010-03-13 07:34:35 +00:00
Chris Lattner
836e8b5d1b various cleanups. 
llvm-svn: 98426
 2010-03-13 07:26:18 +00:00
Daniel Dunbar
e8b67adb94 MC/Mach-O: PCrel relocations weren't using the right base address, they are 
relative to the fragment address, not its offset. This was masked by the text
section normally being at address 0.

llvm-svn: 98420
 2010-03-13 02:38:00 +00:00
Daniel Dunbar
33c92a1a88 llvm-mc: Support -n, useful for comparing -integrated-as output since the 
compiler may not lead with the text section.

llvm-svn: 98418
 2010-03-13 02:20:57 +00:00
Evan Cheng
34c5c9af6f Fix a typo in ValueTracking that's causing instcombine to delete needed shift instructions. 
llvm-svn: 98416
 2010-03-13 02:20:29 +00:00
Chris Lattner
bfdbd2f3a2 reimplement the string pool used for inlined function 
entries to not thrash std::strings and MCSymbols.

llvm-svn: 98415
 2010-03-13 02:17:42 +00:00
Chris Lattner
14eafddc99 switch to the text section at the start of the .s file for darwin/x86 
targets.  This is a temporary hack for the .o file writer that Daniel
wants :)

llvm-svn: 98413
 2010-03-13 02:10:00 +00:00
Jeffrey Yasskin
819ce89d8f Delete MDNodes when LLVMContext is destroyed. Previous attempts: r97918, r97788. 
Tested: clang debug bootstrap, llvm-gcc bootstrap, `make check-lit`
after configuring with --with-llvmgccdir (and this did run the
FrontendC* tests this time)

llvm-svn: 98410
 2010-03-13 01:26:15 +00:00
Bob Wilson
0e8a3d7a13 Change ARM ld/st multiple instructions to have variant instructions for 
writebacks to the address register.  This gets rid of the hack that the
first register on the list was the magic writeback register operand.  There
was an implicit constraint that if that operand was not reg0 it had to match
the base register operand.  The post-RA scheduler's antidependency breaker
did not understand that constraint and sometimes changed one without the
other.  This also fixes Radar 7495976 and should help the verifier work
better for ARM code.

There are now new ld/st instructions explicit writeback operands and explicit
constraints that tie those registers together.

llvm-svn: 98409
 2010-03-13 01:08:20 +00:00
Devang Patel
e0b931e0ed Do not ignore arg_size() impact while counting bb instructions. 
llvm-svn: 98408
 2010-03-13 01:05:02 +00:00
Daniel Dunbar
9ffe22ec23 MC/X86: Add temporary hack to match shrl $1,%eax correctly, to support testing 
other functionality on 403.gcc compiled at -O0.

llvm-svn: 98405
 2010-03-13 00:47:29 +00:00
Devang Patel
40477c7760 Remove extra parameter. 
llvm-svn: 98403
 2010-03-13 00:45:31 +00:00
Bob Wilson
99388e001e Combine the code to build VLDM and VSTM instructions, since they are 
mostly the same.

llvm-svn: 98402
 2010-03-13 00:43:32 +00:00
Devang Patel
882e43e3cc Do not overestimate code size reduction in presense of debug info. 
Use CodeMetrics.analyzeBasicBlock() to estimate BB size.

llvm-svn: 98401
 2010-03-13 00:10:20 +00:00
Bob Wilson
a9130d7c7d Tidy up. No functional changes. 
llvm-svn: 98398
 2010-03-12 22:50:09 +00:00
Daniel Dunbar
8ad9589475 MC/Mach-O: Implement initial support for relaxation. 
- The implementation is currently very brain dead and inefficient, but I have a
   clear plan on how to fix it.

 - The good news is, it works and correctly assembles 403.gcc (when built with
   Clang, at '-Os', '-Os -g', and '-O3'). Even better, at '-Os' and '-Os -g',
   the resulting binary is exactly equivalent to that when built with the system
   assembler. So it probably works! :)

llvm-svn: 98396
 2010-03-12 22:07:14 +00:00
Bob Wilson
41bb0dca48 Remove obsolete comments. VLDM is implemented in ARMInstrVFP.td. 
llvm-svn: 98395
 2010-03-12 22:00:08 +00:00
Jeffrey Yasskin
876e602378 Fix LLVM build when the user specifies CPPFLAGS on the make command line. 
llvm-svn: 98394
 2010-03-12 21:42:14 +00:00
Chris Lattner
14ab9784f4 remove gone method, grr symlinks. 
llvm-svn: 98392
 2010-03-12 21:30:49 +00:00
Chris Lattner
4d7171c334 remove special case code that isn't needed anymore. 
llvm-svn: 98391
 2010-03-12 21:21:19 +00:00
Chris Lattner
5a5ea25649 inline GetGlobalValueSymbol into the rest its callers and 
remove it.

llvm-svn: 98390
 2010-03-12 21:19:23 +00:00
Chris Lattner
7a2e6110bc inline the now-trivial implementation of GetGlobalValueSymbol into 
some of its callers.

llvm-svn: 98388
 2010-03-12 21:09:07 +00:00
Chris Lattner
33f470bec2 eliminate the X86 version of GetGlobalValueSymbol, allowing 
it to be non-virtual and soon disappear.

llvm-svn: 98387
 2010-03-12 21:06:41 +00:00
Chris Lattner
41dbe0a1bd prune #includes, this file should be removed pending hte cygwin stub issue being resolved. 
llvm-svn: 98386
 2010-03-12 21:04:31 +00:00
Chris Lattner
ff05ae7a33 move fastcall/stdcall mangling up into Mangler. 
llvm-svn: 98384
 2010-03-12 21:03:47 +00:00
Daniel Dunbar
642fbbe84d MC: Factor out MCAssembler::EvaluateFixup, and simplify. 
llvm-svn: 98381
 2010-03-12 21:00:49 +00:00
Daniel Dunbar
14b9ff70e1 MC: Constify MCAsmLayout argument to MCExpr::EvaluteAs... 
llvm-svn: 98380
 2010-03-12 21:00:45 +00:00
Daniel Dunbar
71473e6b15 MC: Add MCAssembler::addFixup, which enforces that fixups are added in order. 
llvm-svn: 98379
 2010-03-12 21:00:38 +00:00
Chris Lattner
c101ad818c give Mangler access to TargetData. 
llvm-svn: 98378
 2010-03-12 20:47:28 +00:00
Chris Lattner
5611fd3bc7 make DecorateCygMingName a static method. 
llvm-svn: 98377
 2010-03-12 20:43:52 +00:00
Benjamin Kramer
19c12c8ef4 Add a virtual destructor and give vtable a home. 
llvm-svn: 98376
 2010-03-12 20:41:29 +00:00
Chris Lattner
4781fd7ca5 minor tidying, only do work if a function is 
actually X86_StdCall or X86_FastCall.

llvm-svn: 98374
 2010-03-12 19:48:03 +00:00
Chris Lattner
63328f1348 eliminate the string form of DecorateCygMingName 
llvm-svn: 98373
 2010-03-12 19:42:40 +00:00
Chris Lattner
2fd7c89502 remove the FnArgWords cache to make way for future changes. 
llvm-svn: 98372
 2010-03-12 19:31:03 +00:00
Bill Wendling
21a9744045 Add a beta-test for placing the LSDA into the TEXT section on X86. 
llvm-svn: 98370
 2010-03-12 19:20:40 +00:00
Devang Patel
04d151f5a6 Fix llc crash on invalid input. 
llvm-svn: 98369
 2010-03-12 19:18:30 +00:00
Chris Lattner
741b3e4e5f Remove some dead code. This method only gets called on 
definitions.

llvm-svn: 98368
 2010-03-12 19:14:18 +00:00
Chris Lattner
0bcd93798a use Mang->getSymbol instead of duplicating the logic, reduce indentation. 
llvm-svn: 98367
 2010-03-12 19:04:14 +00:00
Chris Lattner
01e70df9b2 finally give Mangler a getSymbol method, which returns an MCSymbol 
for a global instead of messing around with string buffers.

llvm-svn: 98366
 2010-03-12 18:55:20 +00:00
Chris Lattner
04cd48f865 remove dead code. 
llvm-svn: 98365
 2010-03-12 18:49:32 +00:00
Chris Lattner
683801add5 simplify code to use OutContext.GetOrCreateTemporarySymbol with 
no arguments instead of having to come up with a unique name.
This also makes the code less fragile.

llvm-svn: 98364
 2010-03-12 18:47:50 +00:00
Chris Lattner
956582f876 make the mangler take an MCContext instead of an MAI. 
No functionality change.

llvm-svn: 98363
 2010-03-12 18:44:54 +00:00
Chris Lattner
f4dce6a6d8 remove MAI argument from createAsmStreamer since it 
can get it from the context now.

llvm-svn: 98361
 2010-03-12 18:28:53 +00:00
Chris Lattner
4cc9a9004f fix a bug emitting .secrel32 that I introduced, PR6587, patch 
by A.Mazur!

llvm-svn: 98360
 2010-03-12 18:10:35 +00:00
Duncan Sands
01532e804a When constant folding GEP of GEP, do not crash if an index of 
the inner GEP is not a ConstantInt.

llvm-svn: 98359
 2010-03-12 17:55:20 +00:00
Jeffrey Yasskin
824bd1b30d Free DbgScopes in DwarfDebug::endFunction(). Also increased the const-ness of 
several fields to make it easier to figure out where bugs might be creeping in.

llvm-svn: 98358
 2010-03-12 17:45:06 +00:00
Duncan Sands
086a80eee3 Revert turning copysignl into a COPYSIGN node for the moment: 
ppc calls copysignl with a 128 bit ppc long double, resulting
in a node that the type legalizer doesn't know how to expand.

llvm-svn: 98357
 2010-03-12 17:41:34 +00:00
Kovarththanan Rajaratnam
96530a3830 Remove superfluous NULL assignment 
llvm-svn: 98350
 2010-03-12 14:17:24 +00:00
Benjamin Kramer
a06403442b Use StringRef::substr instead of std::string::substr to avoid using a free'd 
string temporary. This should fix PR6590.

llvm-svn: 98349
 2010-03-12 13:54:59 +00:00
Duncan Sands
aeed41b97a Now that it's supported, turn copysignl into a COPYSIGN node. 
llvm-svn: 98348
 2010-03-12 12:13:59 +00:00
Duncan Sands
5dcc3b328d Fix PR6522: implement copysign expansion for x86 long double 
(it seems that FreeBSD doesn't have copysignl).  Done by
removing a bunch of assumptions from the code.  This may also
help with sparc 128 bit floats.

llvm-svn: 98346
 2010-03-12 11:45:06 +00:00
Benjamin Kramer
0592752a53 Factor checked library call optimization into a common helper class and use it 
to unify the almost identical code in CodeGenPrepare and InstCombineCalls.

llvm-svn: 98338
 2010-03-12 09:27:41 +00:00
Chris Lattner
80ab250a1c fix PR6577, a bug in sdbuilder lowering select instructions 
whose true value was not Val#0.

llvm-svn: 98336
 2010-03-12 07:15:36 +00:00
Bill Wendling
be42dd3e27 The same situation that effected ARM effects PPC with regards to placing the 
LSDA into the TEXT section. We need to generate non-lazy pointers to it on
Mach-O. However, the object the NLP points to may be local to the translation
unit. If so, then the NLP needs to have the value of that object specified
instead of "0", which the linker interprets as "external".

llvm-svn: 98325
 2010-03-12 02:00:43 +00:00
Chris Lattner
07e124cec5 make TargetLoweringObjectFile::getExprForDwarfReference 
just make unnamed temp symbols instead of having to come
up with its own names.

llvm-svn: 98324
 2010-03-12 01:56:43 +00:00
Devang Patel
93aa350213 There is no need to create specification DIE for definitions at DIFile level. 
llvm-svn: 98302
 2010-03-11 23:44:52 +00:00
Bill Wendling
54c10efb5d MC-ize PPC's asm printing of stubs. 
llvm-svn: 98300
 2010-03-11 23:39:44 +00:00
Nate Begeman
687c31cdda Whoops this already existed. 
llvm-svn: 98297
 2010-03-11 23:21:19 +00:00
Nate Begeman
9151a9bee5 Add a handful of additional useful pass manager things to the C API 
llvm-svn: 98296
 2010-03-11 23:06:07 +00:00
Jakob Stoklund Olesen
1c8c4e2bb2 Extract methods from LocalRewriter::RewriteMBB bringing it down to 666 lines. 
llvm-svn: 98295
 2010-03-11 23:04:34 +00:00
Chris Lattner
de47dfab1d enhance MCContext::GetOrCreateTemporarySymbol() to create a new symbol 
with an arbitrary unique name.

llvm-svn: 98294
 2010-03-11 22:56:10 +00:00
Chris Lattner
debc026df2 change MCContext to always have an MCAsmInfo. 
llvm-svn: 98293
 2010-03-11 22:53:35 +00:00
Chris Lattner
5aefaeb42e fix a fixme in TargetLoweringObjectFile::getExprForDwarfReference 
where we used ot create an MCSymbol for ".".  Now emit an assembler
temporary label and reference it instead of "." textually.

rdar://7739457

llvm-svn: 98292
 2010-03-11 21:55:20 +00:00
Dan Gohman
6b1b9e37d7 Remove getWidenVectorType, which is no longer used. 
llvm-svn: 98289
 2010-03-11 21:39:57 +00:00
Chris Lattner
8fc3ad6384 empty symbols aren't possible, the mcsymbol ctor aborts on them. 
llvm-svn: 98288
 2010-03-11 21:38:58 +00:00
Johnny Chen
8d150046ba Set the (Format)F filed of t2Int_MemBarrierV7 & t2Int_SyncBarrierV7 to ThumbFrm, 
instead of Pseudo, which helps Thumb decoder to recognize them as Thumb instr.

llvm-svn: 98285
 2010-03-11 21:02:50 +00:00
Benjamin Kramer
846fefb000 stpcpy is so similar to strcpy, it doesn't deserve a complete copy of the __strcpy_chk -> strcpy code. 
llvm-svn: 98284
 2010-03-11 20:45:13 +00:00
Bill Wendling
368a68ac82 revert r98270. 
llvm-svn: 98281
 2010-03-11 19:50:31 +00:00
Chris Lattner
1ce9dfd498 rename getSymbolForDwarf* to getExprForDwarf* since it returns 
an MCExpr and not an MCSymbol.  Change it to take an MCStreamer,
which is currently unused.

No functionality change.

llvm-svn: 98278
 2010-03-11 19:41:58 +00:00
Evan Cheng
e1c0438e7b In case of tail call size of Ins and InVals may not match. 
llvm-svn: 98277
 2010-03-11 19:38:18 +00:00
Eric Christopher
017a0a06d8 Lower stpcpy_chk when possible. 
llvm-svn: 98274
 2010-03-11 19:24:34 +00:00
Evan Cheng
20dbd70316 Bad bad bug. x86 force indirect tail call address into eax when it's meant to force it into a call preserved register instead. Change it to ecx for now. 
llvm-svn: 98270
 2010-03-11 18:49:14 +00:00
Richard Osborne
8caa985467 Remove dead code. (S|U)MUL_LO is now lowered to LMUL or MACC(S|U) 
llvm-svn: 98269
 2010-03-11 18:38:59 +00:00
Jeffrey Yasskin
239beb0e85 Avoid leaking CompileUnits in DwarfDebug.cpp. 
llvm-svn: 98268
 2010-03-11 18:29:55 +00:00
Daniel Dunbar
8790f4ce4b MC/Mach-O: Add MCSymbolData::getAddress() utility. 
llvm-svn: 98266
 2010-03-11 18:22:51 +00:00
Eric Christopher
fd61aa2ea3 Fix typo. 
llvm-svn: 98260
 2010-03-11 17:45:38 +00:00
Richard Osborne
0dcde97cbc Add dag combine to simplify lmul(x, 0, a, b) 
llvm-svn: 98258
 2010-03-11 16:26:35 +00:00
Richard Osborne
22c1716d0d Switch XCore over to using inline jump table entries. 
llvm-svn: 98256
 2010-03-11 14:58:56 +00:00
Richard Osborne
9c71a0a5ba Add a new jump table encoding to indicate jump tables entries 
are inside the function by the target at the point of use.

llvm-svn: 98255
 2010-03-11 14:58:16 +00:00
Evan Cheng
4ef6d8fa15 The check for coalescing a virtual register to a physical register, e.g. 
cl = EXTRACT_SUBREG reg1024, 1, is overly conservative. It should check
for overlaps of vr's live interval with the super registers of the
physical register (ECX in this case) and let JoinIntervals() handle checking
the coalescing feasibility against the physical register (cl in this case).

llvm-svn: 98251
 2010-03-11 08:20:21 +00:00
Ted Kremenek
9f2c113fab Update CMake build. 
llvm-svn: 98250
 2010-03-11 07:51:23 +00:00
Eric Christopher
bbdbe41a97 Have fast-isel understand llvm.objectsize. Update testcase for slightly 
different codegen.

llvm-svn: 98244
 2010-03-11 06:20:22 +00:00
Jeffrey Yasskin
46115632ba Make clang bootstrap happier on OSX 10.5 by reducing the number of headers 
included when using global symbols to ask the linker for the addresses of
various functions.  One of the symbols was actually getting declared by a
header included in DynamicLibrary.cpp, which conflicted with the "extern void*"
declaration in SearchForAddressOfSpecialSymbol().

llvm-svn: 98243
 2010-03-11 06:14:32 +00:00
Daniel Dunbar
ee26fc9e9f MC/Mach-O: Implement "absolutizing" semantics of .set, by evaluating the assembly time value of variables. 
llvm-svn: 98241
 2010-03-11 05:53:37 +00:00
Daniel Dunbar
aefde2abfd MC/Mach-O: Start passing in the basic MCAsmLayout object. 
- Also, drop the current location part of AsmLayout, I think I prefer to implement this via explicit symbols.

llvm-svn: 98240
 2010-03-11 05:53:33 +00:00
Eric Christopher
53a9bc6e22 Do some final lowering in CodeGenPrepare of _chk calls similar to 
that in InstCombineCalls.

More call lowering needed.

llvm-svn: 98228
 2010-03-11 02:41:03 +00:00
Daniel Dunbar
285a34c8c8 MC: Sketch initial MCAsmLayout class, which encapsulates the current layout of an assembly file. The MCAsmLayout is also available for use by MCExpr::EvaluateAs{Absolute,Relocatable}, to allow target specific hooks and "absolutizing" of symbols. 
llvm-svn: 98227
 2010-03-11 02:28:59 +00:00
Daniel Dunbar
b24134670c Remove dead include. 
llvm-svn: 98225
 2010-03-11 02:28:48 +00:00
Dale Johannesen
15ff882aa1 Fix debug_value handling. 
llvm-svn: 98224
 2010-03-11 02:10:24 +00:00
Daniel Dunbar
687d99cfa8 MC: Provide MCAssembler with a TargetAsmBackend. 
llvm-svn: 98222
 2010-03-11 01:34:27 +00:00
Daniel Dunbar
f7f88fba2d MC: Sketch some TargetAsmBackend hooks we are going to need. 
llvm-svn: 98221
 2010-03-11 01:34:21 +00:00