66604 Commits

Author SHA1 Message Date
Chris Lattner
3ea0f8d504 document instalias.
llvm-svn: 118335
2010-11-06 08:30:26 +00:00
Chris Lattner
637f4910c3 fix a bug where we had an implicit assumption that the
result instruction operand numbering matched the result pattern.

Fixing this allows us to move the xchg/test aliases to the .td file.

llvm-svn: 118334
2010-11-06 08:20:59 +00:00
Eric Christopher
3a51a4ada2 Make sure we have movw on the target before using it.
Fixes 8559.

llvm-svn: 118333
2010-11-06 07:53:11 +00:00
Chris Lattner
4fd3b4ad94 move the lcall/ljmp aliases to the .td file.
llvm-svn: 118332
2010-11-06 07:48:45 +00:00
Chris Lattner
66c868f386 move the "movsd -> movsl" alias to the .td files,
tidy up the movsx and movzx aliases.

llvm-svn: 118331
2010-11-06 07:34:58 +00:00
Chris Lattner
ec0ef3385d fix some bugs in the alias support, unblocking changing of "clr" aliases
from c++ hacks to proper .td InstAlias definitions.  Change them!

llvm-svn: 118330
2010-11-06 07:31:43 +00:00
Chris Lattner
5d1361e9ed Reimplement BuildResultOperands to be in terms of the result instruction's
operand list instead of the operand list redundantly declared on the alias
or instruction.

With this change, we finally remove the ins/outs list on the alias.  Before:
  def : InstAlias<(outs GR16:$dst), (ins GR8 :$src),
                  "movsx $src, $dst",
                  (MOVSX16rr8W GR16:$dst, GR8:$src)>;
After:
  def : InstAlias<"movsx $src, $dst",
                  (MOVSX16rr8W GR16:$dst, GR8:$src)>;

This also makes the alias mechanism more general and powerful, which will
be exploited in subsequent patches.

llvm-svn: 118329
2010-11-06 07:14:44 +00:00
Chris Lattner
8980fe2e61 implement more checking to reject things like:
(someinst GR16:$foo, GR32:$foo)

Reimplement BuildAliasOperandReference to be correctly
based on the names of operands in the result pattern,
instead of on the instruction operand definitions.

llvm-svn: 118328
2010-11-06 07:06:09 +00:00
Chris Lattner
79e558f9c5 decode and validate instruction alias result definitions.
llvm-svn: 118327
2010-11-06 06:54:38 +00:00
Chris Lattner
9365c2366f simplify
llvm-svn: 118326
2010-11-06 06:45:08 +00:00
Chris Lattner
b6cc82ecd7 fix another fixme, replacing a string with a semantic pointer.
llvm-svn: 118325
2010-11-06 06:43:11 +00:00
Chris Lattner
99f3490b0c disolve a hack, having CodeGenInstAlias decode the alias in the .td
file instead of the asmmatcher.

llvm-svn: 118324
2010-11-06 06:39:47 +00:00
Jim Grosbach
009007e690 Hook up the '.code {16|32}' directive to the streamer.
llvm-svn: 118310
2010-11-05 22:40:53 +00:00
Jim Grosbach
a98b9ba916 Add '.code 32' assembler directive to MC streamers.
llvm-svn: 118309
2010-11-05 22:40:09 +00:00
Jim Grosbach
3d432a39dd Hook up the '.thumb_func' directive to the streamer.
llvm-svn: 118307
2010-11-05 22:33:53 +00:00
Jim Grosbach
dfa87da932 Fix past-o.
llvm-svn: 118304
2010-11-05 22:11:33 +00:00
Jim Grosbach
bbef2c5fcc MC'ize the '.code 16' and '.thumb_func' ARM directives.
llvm-svn: 118301
2010-11-05 22:08:08 +00:00
Owen Anderson
f26ea37db7 Disallow the certain NEON modified-immediate forms when generating vorr or vbic.
llvm-svn: 118300
2010-11-05 21:57:54 +00:00
Jim Grosbach
577ec1fe53 Trailing whitespace.
llvm-svn: 118296
2010-11-05 20:41:12 +00:00
Jim Grosbach
55b250bb64 MC'ize simple ARMConstantValue entry emission (with a FIXME).
llvm-svn: 118295
2010-11-05 20:34:24 +00:00
Benjamin Kramer
ac2bcb05cc Put class into an anonymous namespace.
llvm-svn: 118294
2010-11-05 19:56:38 +00:00
Owen Anderson
add19dd6dd Add codegen and encoding support for the immediate form of vbic.
llvm-svn: 118291
2010-11-05 19:27:46 +00:00
Jim Grosbach
1ee24bfd45 Enable MachO writing for ARM/Darwin. Lots of stuff still doesn't work
(relocations, e.g.), but this will allow simple things to flow through.

llvm-svn: 118289
2010-11-05 18:50:35 +00:00
Jim Grosbach
a85416eb77 Allow targets to specify the MachO CPUType/CPUSubtype information.
llvm-svn: 118288
2010-11-05 18:48:58 +00:00
Jim Grosbach
e952ae2659 syntaxunified directive is a no-op for MachO writing.
llvm-svn: 118287
2010-11-05 18:47:32 +00:00
Jim Grosbach
380e284cf8 Add v5 and v7 ARM CPU subtype values.
llvm-svn: 118281
2010-11-05 17:48:05 +00:00
Jim Grosbach
49dd16ea6f Add FIXME.
llvm-svn: 118280
2010-11-05 17:37:13 +00:00
Duncan Sands
96b03ec2ce When passing a parameter using the 'byval' mechanism, inline code needs to be used
to perform the copy, which may be of lots of memory [*].  It would be good if the
fall-back code generated something reasonable, i.e. did the copy in a loop, rather
than vast numbers of loads and stores.  Add a note about this.  Currently target
specific code seems to always kick in so this is more of a theoretical issue rather
than a practical one now that X86 has been fixed.
[*] It's amazing how often people pass mega-byte long arrays by copy...

llvm-svn: 118275
2010-11-05 15:20:29 +00:00
Daniel Dunbar
8f3d8495f5 CrashRecoveryContext: Add RunSafelyOnThread helper function.
llvm-svn: 118272
2010-11-05 07:19:09 +00:00
Duncan Sands
1af5c00d3c When passing a huge parameter using the byval mechanism, a long
sequence of loads and stores was being generated to perform the
copy on the x86 targets if the parameter was less than 4 byte
aligned, causing llc to use up vast amounts of memory and time.
Use a "rep movs" form instead.  PR7170.

llvm-svn: 118260
2010-11-04 21:16:46 +00:00
Benjamin Kramer
ed73c2619e Use arrays instead of constant-sized SmallVectors.
llvm-svn: 118257
2010-11-04 18:45:27 +00:00
Rafael Espindola
3f4a79b243 Add 118023 back, but with proper spelling for .uleb128/.sleb128.
llvm-svn: 118254
2010-11-04 18:17:08 +00:00
Rafael Espindola
618eefb925 Revert previous patch. Some targets don't support uleb and say
they do :-(

llvm-svn: 118250
2010-11-04 17:04:24 +00:00
Rafael Espindola
afb48cd73d MCize.
llvm-svn: 118249
2010-11-04 16:32:18 +00:00
Devang Patel
6c1b802673 Introduce DIBuilder. It is intended to be a front-end friendly interface to emit debuggging information entries in LLVM IR.
To create debugging information for a pointer, using DIBUilder front-end just needs
	DBuilder.CreatePointerType(Ty, Size);
instead of
	DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type,
                                       TheCU, "", getOrCreateMainFile(),
                                       0, Size, 0, 0, 0, OCTy);

llvm-svn: 118248
2010-11-04 15:01:38 +00:00
Devang Patel
72715ef163 Add getFile() to get DIFile of a DIType.
llvm-svn: 118247
2010-11-04 14:56:34 +00:00
Duncan Sands
3bf2a701a5 In the calling convention logic, ValVT is always a legal type,
and as such can be represented by an MVT - the more complicated
EVT is not needed.  Use MVT for ValVT everywhere.

llvm-svn: 118245
2010-11-04 10:49:57 +00:00
Evan Cheng
165e65f53a Fix @llvm.prefetch isel. Selecting between pld / pldw using the first immediate rw. There is currently no intrinsic that matches to pli.
llvm-svn: 118237
2010-11-04 05:19:35 +00:00
Chris Lattner
a55b12911d partition operand processing between aliases and instructions.
Right now the code is partitioned but the behavior is the same.
This should be improved in the near future.   This removes some
uses of TheOperandList.

llvm-svn: 118232
2010-11-04 02:11:18 +00:00
Chris Lattner
21179e333e pull name slicing out of BuildInstructionOperandReference so
it doesn't do any lexical stuff anymore.

llvm-svn: 118230
2010-11-04 01:58:23 +00:00
Chris Lattner
c30032c0c0 cleanups.
llvm-svn: 118228
2010-11-04 01:55:23 +00:00
Chris Lattner
fcdb263fa4 replace SrcOpNum with SrcOpName, eliminating a numering dependency
on the incoming operand list.  This also makes the code simpler.

llvm-svn: 118225
2010-11-04 01:42:59 +00:00
Daniel Dunbar
06d64897d3 System: Add llvm_execute_on_thread, which does what it says.
- Primarily useful for running some code with a specified stack size, when
   pthreads are available.

llvm-svn: 118222
2010-11-04 01:26:25 +00:00
Jim Grosbach
9766b186b6 Add ARM fixup info for load/store label references. Probably will need a bit of
tweaking when we start using it for object file emission or JIT, but it's a
start.

llvm-svn: 118221
2010-11-04 01:12:30 +00:00
Bill Wendling
990c247994 Add encoding for VSTR.
llvm-svn: 118220
2010-11-04 00:59:42 +00:00
Chris Lattner
b0b3157619 strength reduce some code, resolving a fixme.
llvm-svn: 118219
2010-11-04 00:57:06 +00:00
Chris Lattner
9ae6cce0fe take a big step to making aliases more general and less of a hack:
now matchables contain an explicit list of how to populate each
operand in the result instruction instead of having them somehow
magically be correlated to the input inst.

llvm-svn: 118217
2010-11-04 00:43:46 +00:00
Jakob Stoklund Olesen
aa7acbe740 Disable fancy splitting during spilling unless -extra-spiller-splits is given.
This way, InlineSpiller does the same amount of splitting as the standard
spiller. Splitting should really be guided by the register allocator, and
doesn't belong in the spiller at all.

llvm-svn: 118216
2010-11-04 00:32:32 +00:00
Jim Grosbach
af6104d4bf Teach ARM Target to use the tblgen support for generating an MC'ized
CodeEmitter.

llvm-svn: 118209
2010-11-03 23:52:49 +00:00
Jim Grosbach
e89ee5eb80 Add rule to build MC'ized CodeEmitter.
llvm-svn: 118207
2010-11-03 23:46:01 +00:00