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12621 Commits

Author SHA1 Message Date
Bob Wilson
3348d2eb50 Remove NEON vmull, vmlal, and vmlsl intrinsics, replacing them with multiply, 
add, and subtract operations with zero-extended or sign-extended vectors.
Update tests.  Add auto-upgrade support for the old intrinsics.

llvm-svn: 112773
 2010-09-01 23:50:19 +00:00
Dan Gohman
bc87387508 Reword this comment. Don't mention outs(), as that's not what 
this code is actually testing for.

llvm-svn: 112767
 2010-09-01 23:33:02 +00:00
Dale Johannesen
e7c3ecd9dd Recommit with changes. Comment out palignr for the 
moment, as there's a testcase that uses it and expects it
to be subject to optimizations; we won't be doing that.
Some adjustments based on feedback from Bill.

llvm-svn: 112754
 2010-09-01 22:43:48 +00:00
Dale Johannesen
8f257c1f83 Revert 112740, it broke some clang tests somehow... 
llvm-svn: 112744
 2010-09-01 21:36:44 +00:00
Dale Johannesen
20877c9c79 Add a few more missing MMX operations. This should be it. 
llvm-svn: 112740
 2010-09-01 21:03:03 +00:00
Owen Anderson
ef4f527b13 Disable CorrelatedValuePropagation while I track down selfhost failures. 
llvm-svn: 112727
 2010-09-01 19:20:46 +00:00
Owen Anderson
0ee04fbdc8 Tentatively add correlated value propagation to the set of standard passes. 
llvm-svn: 112723
 2010-09-01 18:30:15 +00:00
Eric Christopher
f72b7040a2 Speculatively revert 112699 and 112702, they seem to be causing 
self host errors on clang-x86-64.

llvm-svn: 112719
 2010-09-01 17:29:10 +00:00
Dan Gohman
f9e09104f1 Make tool_output_file's raw_ostream instance a member variable instead 
of a base class.

This makes it possible to unregister the file from FilesToRemove when
the file is done. Also, this eliminates the need for
formatted_tool_output_file.

llvm-svn: 112706
 2010-09-01 14:20:41 +00:00
Dan Gohman
5f2118dd6f Add an interface for unregistering a file from the FilesToRemove list. 
llvm-svn: 112705
 2010-09-01 14:17:34 +00:00
Michael J. Spencer
3363f79ebb COFF: Fix incorrect SCT_COMPLEX_TYPE_SHIFT. Add a few constants. 
llvm-svn: 112703
 2010-09-01 14:09:36 +00:00
Dan Gohman
ace824be4a Make the iterator form of erase return void, since it always succeeds, 
and since this is what std::map and std::set do.

llvm-svn: 112701
 2010-09-01 14:00:35 +00:00
Duncan Sands
8797da600f Define LLVM_GLOBAL_VISIBILITY to be __declspec(dllexport) on 
windows systems.

llvm-svn: 112700
 2010-09-01 13:07:11 +00:00
Duncan Sands
f7e2f45e1a If PrototypeValue is erased in the middle of using the SSAUpdator 
then the SSAUpdator may access freed memory.  Instead, simply pass
in the type and name explicitly, which is all that was used anyway.

llvm-svn: 112699
 2010-09-01 10:29:33 +00:00
Duncan Sands
67159c80d8 Add convenience class for working with eh.exception calls. 
llvm-svn: 112698
 2010-09-01 09:26:00 +00:00
Dan Gohman
ad593f9d93 Revert 112442 and 112440 until the compile time problems introduced 
by 112440 are resolved.

llvm-svn: 112692
 2010-09-01 01:45:53 +00:00
Dale Johannesen
1ba5a3fc80 Add some MMX intrinsics that duplicate functionality 
available in normal llvm operators.  We aren't going to
use those for MMX any more because it's unsafe for the
optimizers to synthesize new MMX instructions.

llvm-svn: 112685
 2010-09-01 00:40:09 +00:00
Devang Patel
9e8ee9242f Use absolute label for DW_AT_stmt_list if a target does not prefer offset here. 
This patch was developed on top of original patch by Artur Pietrek.

llvm-svn: 112678
 2010-08-31 23:50:19 +00:00
Benjamin Kramer
739963f98e Remove noisy semicolon. 
llvm-svn: 112673
 2010-08-31 23:38:13 +00:00
Kevin Enderby
cc1c9257f6 This is the second of three patches to implement support for the .loc directive 
and output the dwarf line number tables.  This takes the current loc info after
an instruction is assembled and saves the needed info into an object that has
vector and for each section.  These objects will be used for the final patch to 
build and emit the encoded dwarf line number tables.  Again for now this is only
in the Mach-O streamer but at some point will move to a more generic place.

llvm-svn: 112668
 2010-08-31 22:55:11 +00:00
Devang Patel
46570e6783 Reapply r112623. Included additional check for unused byval argument. 
llvm-svn: 112659
 2010-08-31 22:22:42 +00:00
Dale Johannesen
49a1560c66 Comment typo. 
llvm-svn: 112652
 2010-08-31 21:53:15 +00:00
Devang Patel
b94251aea0 Revert r112623. It is causing self host build failures. 
llvm-svn: 112631
 2010-08-31 19:41:03 +00:00
Devang Patel
414cbc940a Remember byval argument's frame index during argument lowering and use this info to emit debug info. 
Fixes Radar 8367011.

llvm-svn: 112623
 2010-08-31 18:50:09 +00:00
Duncan Sands
2a1c11e104 Stop using the dom frontier in DwarfEHPrepare by not promoting alloca's 
any more.  I plan to reimplement alloca promotion using SSAUpdater later.
It looks like Bill's URoR logic really always needs domtree, so the pass
now always asks for domtree info.

llvm-svn: 112597
 2010-08-31 09:05:06 +00:00
Owen Anderson
ccaee65189 Rename ValuePropagation to a more descriptive CorrelatedValuePropagation. 
llvm-svn: 112591
 2010-08-31 07:48:34 +00:00
Michael J. Spencer
b475feaea4 Fix spelling/typo. 
llvm-svn: 112585
 2010-08-31 06:36:22 +00:00
Bruno Cardoso Lopes
ebe80d78ff zap unused method. x86 is the only user and already has a more powerfull version 
llvm-svn: 112571
 2010-08-31 02:36:20 +00:00
Dan Gohman
d261381db5 Update the descriptions of NoModRef and ModRef to be consistent 
with the descriptions of Mod and Ref.

llvm-svn: 112557
 2010-08-30 23:47:24 +00:00
Bob Wilson
826a677f94 Remove NEON vmovn intrinsic, replacing it with vector truncate operations. 
Auto-upgrade the old intrinsic and update tests.

llvm-svn: 112507
 2010-08-30 20:02:30 +00:00
Eric Christopher
da5541e56d Fix LLVM target initialization to deal with sociopathic outside projects 
that like to randomly define things like "X86", regenerate autoconf bits
and update cmake.

Fixes PR7852.

Patch by Xerxes Rånby!

llvm-svn: 112499
 2010-08-30 18:34:48 +00:00
Eric Christopher
5f8ae3dbd6 Kill a couple of unused variables. 
llvm-svn: 112498
 2010-08-30 18:31:44 +00:00
Chris Lattner
e667efb462 nuke dead ivar which was supposed to be committed with r112496 
llvm-svn: 112497
 2010-08-30 18:16:27 +00:00
Chris Lattner
9e35d96cea two changes: 1) make AliasSet hold the list of call sites with an 
assertingvh so we get a violent explosion if the pointer dangles.

2) Fix AliasSetTracker::deleteValue to remove call sites with
   by-pointer comparisons instead of by-alias queries.  Using
   findAliasSetForCallSite can cause alias sets to get merged
   when they shouldn't, and can also miss alias sets when the
   call is readonly.

#2 fixes PR6889, which only repros with a .c file :(

llvm-svn: 112452
 2010-08-29 18:42:23 +00:00
Dan Gohman
9ea315c5ca Make IVUsers iterative instead of recursive. 
This has the side effect of reversing the order of most of
IVUser's results.

llvm-svn: 112442
 2010-08-29 16:40:03 +00:00
Dan Gohman
5110488830 Delete an unused declaration. 
llvm-svn: 112424
 2010-08-29 14:48:15 +00:00
Chris Lattner
875b659115 Stop explicitly scheduling domfrontier before the loop passes, 
since none of them use it.  With this, we now only run 
domfrontier (an N^2 analysis) 3 times at clang -O3: once for 
"early" per-function cleanup, once at the start of the
per-function pipeline to support SRoA, and once late because
the EHPrepare class uses it.

EHPrepare needs to stop using it, this is silly and wasteful.

llvm-svn: 112420
 2010-08-29 07:05:51 +00:00
Bob Wilson
807d004452 Remove NEON vaddl, vaddw, vsubl, and vsubw intrinsics. Instead, use llvm 
IR add/sub operations with one or both operands sign- or zero-extended.
Auto-upgrade the old intrinsics.

llvm-svn: 112416
 2010-08-29 05:57:34 +00:00
Chris Lattner
fac07b1dca implement SSAUpdater::RewriteUseAfterInsertions, a helpful form of RewriteUse. 
llvm-svn: 112409
 2010-08-29 04:54:06 +00:00
Chris Lattner
ecf276b787 remove unions from LLVM IR. They are severely buggy and not 
being actively maintained, improved, or extended.

llvm-svn: 112356
 2010-08-28 04:09:24 +00:00
Chris Lattner
4b49ada02c remove the ABCD and SSI passes. They don't have any clients that 
I'm aware of, aren't maintained, and LVI will be replacing their value.
nlewycky approved this on irc.

llvm-svn: 112355
 2010-08-28 03:51:24 +00:00
Owen Anderson
dc4703bcd5 Add a prototype of a new peephole optimizing pass that uses LazyValue info to simplify PHIs and select's. 
This pass addresses the missed optimizations from PR2581 and PR4420.

llvm-svn: 112325
 2010-08-27 23:31:36 +00:00
Eric Christopher
67801775eb Fix a couple of typos. 
Patch by Cameron Esfahani!

llvm-svn: 112297
 2010-08-27 21:38:11 +00:00
Dan Gohman
636c57c5de Switch ScalarEvolution's main Value*->SCEV* map from std::map 
to DenseMap.

llvm-svn: 112281
 2010-08-27 18:55:03 +00:00
Bob Wilson
c01101e76c Add alignment arguments to all the NEON load/store intrinsics. 
Update all the tests using those intrinsics and add support for
auto-upgrading bitcode files with the old versions of the intrinsics.

llvm-svn: 112271
 2010-08-27 17:13:24 +00:00
Jim Grosbach
2b81a07dc7 Simplify eliminateFrameIndex() interface back down now that PEI doesn't need 
to try to re-use scavenged frame index reference registers. rdar://8277890

llvm-svn: 112241
 2010-08-26 23:32:16 +00:00
Jim Grosbach
d21756ab1e tidy up a bit. no functional change. 
llvm-svn: 112228
 2010-08-26 21:56:30 +00:00
Chris Lattner
57e5760947 add m_BitCast for matching a bitcast. 
llvm-svn: 112222
 2010-08-26 21:35:52 +00:00
Bruno Cardoso Lopes
6150648a64 zap the now unused MVT::getIntVectorWithNumElements 
llvm-svn: 112218
 2010-08-26 20:53:12 +00:00
Devang Patel
83384fcb5c Fix prototypes. 
llvm-svn: 112200
 2010-08-26 17:47:45 +00:00