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9553188fcc
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4154 Commits

Author SHA1 Message Date
Dan Gohman
9553188fcc Define placement new wrappers for BumpPtrAllocator and 
RecyclingAllocator to allow client code to be simpler, and
simplify several clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98847 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 18:49:47 +00:00
Bob Wilson
d1ec31dca5 Fix pr6543: svn r88806 changed MachineJumpTableInfo::getJumpTableIndex() to 
always create a new jump table.  The intention was to avoid merging jump
tables in SelectionDAGBuilder, and to wait for the branch folding pass to
merge tables.  Unfortunately, the same getJumpTableIndex() method is also
used to merge tables in branch folding, so as a result of this change
branch tables are never merged.  Worse, the branch folding code is expecting
getJumpTableIndex to always return the index of an existing table, but with
this change, it never does so.  In at least some cases, e.g., pr6543, this
creates references to non-existent tables.

I've fixed the problem by adding a new createJumpTableIndex function, which
will always create a new table, and I've changed getJumpTableIndex to only
look at existing tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98845 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 18:42:41 +00:00
Devang Patel
1ac2429d1f Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98830 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 16:41:16 +00:00
Devang Patel
c3188ce0f1 Debug info intrinsic does not intefer during tail call optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98778 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-17 23:52:37 +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
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
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
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
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
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
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
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
Duncan Sands
0ac5d2d7ff 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98357 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 17:41:34 +00:00
Duncan Sands
bb2f0c541c Now that it's supported, turn copysignl into a COPYSIGN node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98348 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 12:13:59 +00:00
Duncan Sands
5d54b4112d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98346 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 11:45:06 +00:00
Chris Lattner
b3e87b2262 fix PR6577, a bug in sdbuilder lowering select instructions 
whose true value was not Val#0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98336 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 07:15:36 +00:00
Dan Gohman
a257095ebb Remove getWidenVectorType, which is no longer used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98289 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 21:39:57 +00:00
Evan Cheng
af1871fa6d In case of tail call size of Ins and InVals may not match. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98277 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 19:38:18 +00:00
Daniel Dunbar
0193c0994b Remove dead include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98225 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 02:28:48 +00:00
Chris Lattner
f2f64e9063 fix PR6533 by updating the br(xor) code to remember the case 
when it looked past a trunc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98203 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 23:46:44 +00:00
Dale Johannesen
e3b8533e71 Cosmetic: lengthen names and improve comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98202 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 23:37:24 +00:00
Dale Johannesen
bfdf7f3852 Progress towards shepherding debug info through SelectionDAG. 
No functional effect yet.  This is still evolving and should
not be viewed as final.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98195 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 22:13:47 +00:00
Dan Gohman
8f78e3c87d Fix another bitwidth calculation to handle vector types; based on a 
patch by Micah Villmow for PR6572.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98188 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 21:04:53 +00:00
Dan Gohman
19b3826d0f Attempt to make this debug output meaningful, both in the case of 
multibyte opcodes and in the case of multiple scopes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98036 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 02:15:05 +00:00
Dan Gohman
8f03d75161 Print the correct index in the "match failed at index" message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98013 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-09 00:07:36 +00:00
Dale Johannesen
fab4a25d46 Add Order to SDDbgValue 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97939 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 05:39:50 +00:00
Chris Lattner
acee647b13 Use Other as a sentinel instead of iAny. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97914 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-07 07:45:08 +00:00
Dale Johannesen
06a26637da Add some new bits of debug info handling. No 
functional change yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97855 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 00:03:23 +00:00
Dan Gohman
0fa9d1d901 Reapply r97778 and r97779, enabled only for unsigned i64 to f64 
conversions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 00:00:55 +00:00
Jakob Stoklund Olesen
580bba2b0d Avoid creating bad PHI instructions when BR is being const-folded. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97836 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 21:49:10 +00:00
Chris Lattner
18fdabadca Fix PR6497, a bug where we'd fold a load into an addc 
node which has a flag.  That flag in turn was used by an
already-selected adde which turned into an ADC32ri8 which
used a selected load which was chained to the load we
folded.  This flag use caused us to form a cycle.  Fix
this by not ignoring chains in IsLegalToFold even in
cases where the isel thinks it can.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97791 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 06:19:13 +00:00
Chris Lattner
9bbcd5ee5b inline a small function with one call site. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97789 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 05:49:45 +00:00
Dan Gohman
b6b343d77a Revert r97778 and r97779. They're somehow breaking llvm-gcc builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 02:40:23 +00:00
Dan Gohman
808ab341b4 Fix these constants to be more portable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97779 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 02:13:10 +00:00
Dan Gohman
cfa7ca1997 Rewrite i64-to-f64 conversion using an algorithm which handles 
rounding correctly. This implementation is a generalization of
the x86_64 code in compiler-rt.

This fixes rdar://7683708.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97778 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 02:00:46 +00:00
Chris Lattner
c19ae9d91d add a statistic for # times fastisel fails. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97738 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-04 19:46:56 +00:00
Dan Gohman
ba72b0c4e1 Fix a typo Duncan noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97735 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-04 19:11:28 +00:00
Chris Lattner
57bf8a483e change the new isel matcher to emit ComplexPattern matches 
as the very last thing before node emission.  This should
dramatically reduce the number of times we do 'MatchAddress'
on X86, speeding up compile time.  This also improves comments
in the tables and shrinks the table a bit, now down to 
80506 bytes for x86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97703 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-04 01:23:08 +00:00
Dan Gohman
6900a39d28 Fix more code to work properly with vector operands. Based on 
a patch my Micah Villmow for PR6465.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-04 00:23:16 +00:00
Chris Lattner
2c4afd1d8e inline CannotYetSelectIntrinsic into CannotYetSelect and simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97690 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-04 00:21:16 +00:00