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4106 Commits

Author SHA1 Message Date
Dan Gohman
56a90ff2a1 Remove the ConvertActions table and associated code, which is unused. 
llvm-svn: 99372
 2010-03-24 00:53:38 +00:00
Dan Gohman
ce6d4394a8 Revert 99335. getTypeToExpandTo's iterative behavior is actually 
needed here.

llvm-svn: 99339
 2010-03-23 22:44:42 +00:00
Dan Gohman
7814ddee81 Remove getTypeToExpandTo, since it isn't adding much value 
beyond just calling getTypeToTransformTo.

llvm-svn: 99335
 2010-03-23 22:15:31 +00:00
Mon P Wang
005a544af8 Fixed a widening bug where we were not using the correct size for the load 
llvm-svn: 98920
 2010-03-19 01:19:52 +00:00
Anton Korobeynikov
23c07f492e Get rid of target-specific nodes for fp16 <-> fp32 conversion. 
llvm-svn: 98888
 2010-03-18 22:35:37 +00:00
Dan Gohman
ff37afdc4b Define placement new wrappers for BumpPtrAllocator and 
RecyclingAllocator to allow client code to be simpler, and
simplify several clients.

llvm-svn: 98847
 2010-03-18 18:49:47 +00:00
Bob Wilson
a8b566d854 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.

llvm-svn: 98845
 2010-03-18 18:42:41 +00:00
Devang Patel
dd5c1fcba9 Fix comment. 
llvm-svn: 98830
 2010-03-18 16:41:16 +00:00
Devang Patel
9ad039e65f Debug info intrinsic does not intefer during tail call optimization. 
llvm-svn: 98778
 2010-03-17 23:52:37 +00:00
Chris Lattner
cf7f134913 reapply r98656 unmodified, which exposed the asmprinter not 
handling constant unions.

llvm-svn: 98680
 2010-03-16 21:25:55 +00:00
Daniel Dunbar
faade5305c Revert r98656, its breaking all over the place. 
llvm-svn: 98662
 2010-03-16 19:35:34 +00:00
Chris Lattner
7a96045d0a improve support for uniontype and ConstantUnion, patch by Tim Northover! 
llvm-svn: 98656
 2010-03-16 19:15:03 +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
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
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
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
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
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
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
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
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
Dan Gohman
6b1b9e37d7 Remove getWidenVectorType, which is no longer used. 
llvm-svn: 98289
 2010-03-11 21:39:57 +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
Daniel Dunbar
b24134670c Remove dead include. 
llvm-svn: 98225
 2010-03-11 02:28:48 +00:00
Chris Lattner
7cd70b8066 fix PR6533 by updating the br(xor) code to remember the case 
when it looked past a trunc.

llvm-svn: 98203
 2010-03-10 23:46:44 +00:00
Dale Johannesen
29afbd39e4 Cosmetic: lengthen names and improve comments. 
llvm-svn: 98202
 2010-03-10 23:37:24 +00:00
Dale Johannesen
987770c05d Progress towards shepherding debug info through SelectionDAG. 
No functional effect yet.  This is still evolving and should
not be viewed as final.

llvm-svn: 98195
 2010-03-10 22:13:47 +00:00
Dan Gohman
4c22c7a665 Fix another bitwidth calculation to handle vector types; based on a 
patch by Micah Villmow for PR6572.

llvm-svn: 98188
 2010-03-10 21:04:53 +00:00
Dan Gohman
0d69c61fec Attempt to make this debug output meaningful, both in the case of 
multibyte opcodes and in the case of multiple scopes.

llvm-svn: 98036
 2010-03-09 02:15:05 +00:00
Dan Gohman
cc7ed51fa3 Print the correct index in the "match failed at index" message. 
llvm-svn: 98013
 2010-03-09 00:07:36 +00:00
Dale Johannesen
b87c6c82e6 Add Order to SDDbgValue 
llvm-svn: 97939
 2010-03-08 05:39:50 +00:00
Chris Lattner
f3ee582f23 Use Other as a sentinel instead of iAny. 
llvm-svn: 97914
 2010-03-07 07:45:08 +00:00
Dale Johannesen
f0c8e76a85 Add some new bits of debug info handling. No 
functional change yet.

llvm-svn: 97855
 2010-03-06 00:03:23 +00:00
Dan Gohman
00a652eea0 Reapply r97778 and r97779, enabled only for unsigned i64 to f64 
conversions.

llvm-svn: 97854
 2010-03-06 00:00:55 +00:00
Jakob Stoklund Olesen
67476519d7 Avoid creating bad PHI instructions when BR is being const-folded. 
llvm-svn: 97836
 2010-03-05 21:49:10 +00:00
Chris Lattner
80aaccb987 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.

llvm-svn: 97791
 2010-03-05 06:19:13 +00:00
Chris Lattner
d7353d219f inline a small function with one call site. 
llvm-svn: 97789
 2010-03-05 05:49:45 +00:00
Dan Gohman
ebdb1743d3 Revert r97778 and r97779. They're somehow breaking llvm-gcc builds. 
llvm-svn: 97781
 2010-03-05 02:40:23 +00:00
Dan Gohman
0a01ba144d Fix these constants to be more portable. 
llvm-svn: 97779
 2010-03-05 02:13:10 +00:00
Dan Gohman
e5b9ea020f 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.

llvm-svn: 97778
 2010-03-05 02:00:46 +00:00