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Author SHA1 Message Date
Bob Wilson
a1bdfc3c7f Remove a check that can no longer be true, after r84803. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98694 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 23:40:32 +00:00
Evan Cheng
4507f089d4 Fix liveintervals handling of dbg_value instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98686 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 21:51:27 +00:00
Chris Lattner
93b122d3c4 reapply r98656 unmodified, which exposed the asmprinter not 
handling constant unions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98680 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 21:25:55 +00:00
Devang Patel
cbe1e31732 Ignore debug value instructions while analyzing BB for tail duplication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98675 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 21:02:07 +00:00
Daniel Dunbar
b85c7100c5 Revert r98656, its breaking all over the place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98662 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 19:35:34 +00:00
Chris Lattner
8b3b34f410 improve support for uniontype and ConstantUnion, patch by Tim Northover! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98656 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 19:15:03 +00:00
Bill Wendling
b0d27662ea Use getFirstTerminator(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98604 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 02:01:51 +00:00
Bill Wendling
8fe347a8b5 When checking if something's killed, don't rely simply on whether it's marked as 
"used outside of the block". If the block ends in a return, then it won't be
used outside of it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98599 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 01:05:35 +00:00
Chris Lattner
999aee24c7 Fix the third (and last known) case of code update problems due 
to LLVM IR changes with addr label weirdness.  In the testcase, we
generate references to the two bb's when codegen'ing the first
function:

_test1:                                 ## @test1
	leaq	Ltmp0(%rip), %rax
..
	leaq	Ltmp1(%rip), %rax

Then continue to codegen the second function where the blocks
get merged.  We're now smart enough to emit both labels, producing
this code:

_test_fun:                              ## @test_fun
## BB#0:                                ## %entry
Ltmp1:                                  ## Block address taken
Ltmp0:
## BB#1:                                ## %ret
	movl	$-1, %eax
	ret

Rejoice.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98595 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-16 00:29:39 +00:00
Bill Wendling
505ad8bed3 Now that the default for Darwin platforms is to place the LSDA into the TEXT 
section, remove the target-specific code that performs this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 21:09:38 +00:00
Chris Lattner
9cc0da9c29 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98579 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 20:39:00 +00:00
Chris Lattner
4c6741f707 use Mang->getSymbol() more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98577 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 20:37:38 +00:00
Devang Patel
001903485f Create SDDbgValue for dbg_value intrinsics and remember its connections with DAG nodes. 
This is a work in progress. Patch by Dale Johannesen!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98568 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 19:15:44 +00:00
Chris Lattner
0220ba7995 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98566 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 19:09:43 +00:00
Chris Lattner
88698f5dbc revert r98550, it isn't necessary or sufficient. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98558 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 18:42:01 +00:00
Devang Patel
90a48adf9c Emit dwarf variable info communicated by code generator through DBG_VALUE machine instructions. 
This is a work in progress.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 18:33:46 +00:00
Chris Lattner
fc6e69bcb2 don't eliminate address-taken blocks here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98550 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 16:37:42 +00:00
Chris Lattner
ed7d10e100 SIGN_EXTEND from the same type as the dest is valid. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98548 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 16:15:56 +00:00
Chris Lattner
7fb5c2dbec sink the call to VT.getSizeInBits() down into its uses, 
not all unary nodes necessarily have a simple result type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98547 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 16:05:15 +00:00
Chris Lattner
1f8008cf21 fix MCSectionELF to not leak memory, just like I did for MCSymbol. 
MCSectionMachO is already fine (yay for fixed size arrays?),
MCSectionCOFF still leaks.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98537 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 06:23:52 +00:00
Chris Lattner
a833f6b061 remove dead method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98526 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 00:00:42 +00:00
Benjamin Kramer
1610d430be Remove pointless forward declaration, MSVC got confused by this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98519 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 22:00:28 +00:00
Duncan Sands
d2c817eff1 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98514 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 21:08:40 +00:00
Evan Cheng
a8efe28a44 Rename SDDbgValue.h to SDNodeDbgValue.h for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98513 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 19:56:39 +00:00
Chris Lattner
c4a3f23b92 fix ShrinkDemandedOps to not leave dead nodes around, 
fixing PR6607


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98512 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 19:46:02 +00:00
Chris Lattner
25e0ab9ae5 rewrite ShrinkDemandedOps to be faster and indent less, 
no functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98511 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 19:43:04 +00:00
Chris Lattner
552186dfd3 make -view-isel-dags print after the 'ShrinkDemandedOps' pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98509 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 19:27:55 +00:00
Anton Korobeynikov
927411b7ce Make default expansion for FP16 <-> FP32 nodes into libcalls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98501 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 18:42:24 +00:00
Anton Korobeynikov
be5b032e4b Add DAG nodes to represent FP16 <-> FP32 intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98500 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 18:42:15 +00:00
Chris Lattner
3b9d6216a4 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98495 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 17:53:23 +00:00
Chris Lattner
63d7836267 get MMI out of the label uniquing business, just go to MCContext 
to get unique assembler temporary labels.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98489 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 08:36:50 +00:00
Chris Lattner
8d9aaba84e don't use getDWLabel("label" anymore, always go through MMI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98485 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 08:18:13 +00:00
Chris Lattner
0397ada8ae remove now-dead code, all labels use MCSymbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98484 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 08:17:53 +00:00
Chris Lattner
25b68c6770 change SrcLineInfo to contain a label instead of a label ID. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98483 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 08:15:55 +00:00
Chris Lattner
2e9919a5e5 Now that DBG_LABEL is updated, we can finally make MachineMove 
contain an MCSymbol instead of a label index.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98482 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 08:12:40 +00:00
Chris Lattner
6ffcccab51 change the DBG_LABEL MachineInstr to always be created 
with an MCSymbol instead of an immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98481 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:56:48 +00:00
Chris Lattner
9a38e67590 unbreak the build, grr symlinks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98477 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:36:49 +00:00
Chris Lattner
90f172aa80 Change this code to allocate temporary labels from mccontext, 
not from MMI.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98475 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:29:45 +00:00
Chris Lattner
aba9bcb9b6 switch GC_LABEL to use an MCSymbol operand instead of a label ID operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98474 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:27:07 +00:00
Chris Lattner
f14645cc64 Fix some EH failures on NNT I introduced in r98461 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 07:02:50 +00:00
Chris Lattner
21f9c8de53 fix a bug I introduced in r98459, causing some NNT failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98470 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 06:50:56 +00:00
Chris Lattner
7561d48095 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".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98463 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 02:33:54 +00:00
Chris Lattner
18589de9b1 eliminate InvalidateLabel and LabelIDList from MMI and replace 
them with a counter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98462 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 02:24:55 +00:00
Chris Lattner
b91306053d use Label->isDefined() instead of isLabelDeleted() now that we 
consistently use MCSymbol and only call this predicate after
they should have been emitted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 02:20:58 +00:00
Chris Lattner
1611273351 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98459 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 01:41:15 +00:00
Chris Lattner
1b2eb0e8a6 eliminate the now-unneeded context argument of MBB::getSymbol() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98451 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 21:04:28 +00:00
Chris Lattner
11d53c129f 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98450 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 20:55:24 +00:00
Chris Lattner
72aaa3c798 add support for MCSymbols as operands to MachineInstrs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98433 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 08:14:18 +00:00
Chris Lattner
5e6cbe0eff 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98432 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 08:05:25 +00:00
Chris Lattner
fb65807c34 factor some labels, simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98429 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-13 07:40:56 +00:00