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9178 Commits

Author SHA1 Message Date
Bill Wendling
5493cf6715 Now that the default for Darwin platforms is to place the LSDA into the TEXT 
section, remove the target-specific code that performs this.

llvm-svn: 98580
 2010-03-15 21:09:38 +00:00
Chris Lattner
45a0ae21b8 Implement support for the case when a reference to a addr-of-bb 
label is generated, but then the block is deleted.  Since the
value is undefined, we just emit the label right after the entry 
label of the function.  It might matter that the label is in the
same section as the function was afterall.

llvm-svn: 98579
 2010-03-15 20:39:00 +00:00
Chris Lattner
0ae3e35f22 use Mang->getSymbol() more. 
llvm-svn: 98577
 2010-03-15 20:37:38 +00:00
Devang Patel
db8c479e0d Create SDDbgValue for dbg_value intrinsics and remember its connections with DAG nodes. 
This is a work in progress. Patch by Dale Johannesen!

llvm-svn: 98568
 2010-03-15 19:15:44 +00:00
Chris Lattner
802ebf9561 Fix the case when a reference to an address taken BB is emitted in one 
function, then the BB is RAUW'd before the definition is emitted.  There
are still two cases not being handled, but this should improve us back to
the situation before I touched anything.

llvm-svn: 98566
 2010-03-15 19:09:43 +00:00
Chris Lattner
9f4f6954f7 revert r98550, it isn't necessary or sufficient. 
llvm-svn: 98558
 2010-03-15 18:42:01 +00:00
Devang Patel
3244526a3b Emit dwarf variable info communicated by code generator through DBG_VALUE machine instructions. 
This is a work in progress.

llvm-svn: 98556
 2010-03-15 18:33:46 +00:00
Chris Lattner
a8214d0775 don't eliminate address-taken blocks here. 
llvm-svn: 98550
 2010-03-15 16:37:42 +00:00
Chris Lattner
a8e4282df3 SIGN_EXTEND from the same type as the dest is valid. 
llvm-svn: 98548
 2010-03-15 16:15:56 +00:00
Chris Lattner
89c2d22d3d sink the call to VT.getSizeInBits() down into its uses, 
not all unary nodes necessarily have a simple result type.

llvm-svn: 98547
 2010-03-15 16:05:15 +00:00
Chris Lattner
b24982ba65 fix MCSectionELF to not leak memory, just like I did for MCSymbol. 
MCSectionMachO is already fine (yay for fixed size arrays?),
MCSectionCOFF still leaks.

llvm-svn: 98537
 2010-03-15 06:23:52 +00:00
Chris Lattner
37c5893297 remove dead method. 
llvm-svn: 98526
 2010-03-15 00:00:42 +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
Chris Lattner
f656ba2910 make -view-isel-dags print after the 'ShrinkDemandedOps' pass. 
llvm-svn: 98509
 2010-03-14 19:27:55 +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
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
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
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
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
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
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
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
ade5faaac4 factor some labels, simplify some code. 
llvm-svn: 98429
 2010-03-13 07:40:56 +00:00
Chris Lattner
836e8b5d1b various cleanups. 
llvm-svn: 98426
 2010-03-13 07:26:18 +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
14ab9784f4 remove gone method, grr symlinks. 
llvm-svn: 98392
 2010-03-12 21:30:49 +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
c101ad818c give Mangler access to TargetData. 
llvm-svn: 98378
 2010-03-12 20:47:28 +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
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