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Author SHA1 Message Date
Andrew Trick
6363e80ded Remove the vector of live vregs. I thought we would need to track 
them, but hopefully we won't. And this is not the right data structure
to do it anyway.

llvm-svn: 117412
 2010-10-26 22:58:24 +00:00
Owen Anderson
1dc05f20e2 Add correct NEON encodings for vqshl, vqshrn, vqshrun, vqrshl, vqshrn, and vqrshrun. 
llvm-svn: 117411
 2010-10-26 22:50:46 +00:00
Jim Grosbach
30f6744f05 First part of refactoring ARM addrmode2 (load/store) instructions to be more 
explicit about the operands. Split out the different variants into separate
instructions. This gives us the ability to, among other things, assign
different scheduling itineraries to the variants. rdar://8477752.

llvm-svn: 117409
 2010-10-26 22:37:02 +00:00
Jakob Stoklund Olesen
bb4b26c42b After splitting, compute connected components of all new registers, not just for 
the remainder register.

Example:

bb0:
  x = 1
bb1:
  use(x)
  ...
  x = 2
  jump bb1

When x is isolated in bb1, the inner part breaks into two components, x1 and x2:

bb0:
  x0 = 1
bb1:
  x1 = x0
  use(x1)
  ...
  x2 = 2
  x0 = x2
  jump bb1

llvm-svn: 117408
 2010-10-26 22:36:09 +00:00
Jakob Stoklund Olesen
3bf3211458 Verify that live intervals are connected. If there are multiple connected 
components, each should get its own virtual register.

llvm-svn: 117407
 2010-10-26 22:36:07 +00:00
Jakob Stoklund Olesen
fa777d622d Call RenumberValues for all new registers created during splitting. This is 
necessary to get correct hasPHIKill flags.

llvm-svn: 117406
 2010-10-26 22:36:05 +00:00
Jakob Stoklund Olesen
0007e9a345 Preserve PHIDef bits in cloned values during splitting. 
llvm-svn: 117405
 2010-10-26 22:36:02 +00:00
Devang Patel
7796146304 Assign source ordering to nodes created for StoreInst. 
llvm-svn: 117404
 2010-10-26 22:14:52 +00:00
Owen Anderson
55c0bad37d Correct NEON encodings for vshrn, vrshl, vrshr, vrshrn. 
llvm-svn: 117402
 2010-10-26 21:58:41 +00:00
Jim Grosbach
afc1e913c0 FileCheck'ize 
llvm-svn: 117401
 2010-10-26 21:26:47 +00:00
Owen Anderson
71deab0da0 Add tests for NEON encoding of vshll. 
llvm-svn: 117399
 2010-10-26 21:21:47 +00:00
Owen Anderson
570a4cdc45 Simplify classes for shift instructions, which are never commutable. 
llvm-svn: 117398
 2010-10-26 21:13:59 +00:00
Owen Anderson
31c1429a2c Tests for NEON encoding of vshr. 
llvm-svn: 117396
 2010-10-26 21:08:42 +00:00
Owen Anderson
0cecbd810e Provide correct NEON encodings for vshl, register and immediate forms. 
llvm-svn: 117394
 2010-10-26 20:56:57 +00:00
Jakob Stoklund Olesen
3a4c0c13eb Teach MachineBasicBlock::print() to annotate instructions and blocks with 
SlotIndexes when available.

llvm-svn: 117392
 2010-10-26 20:21:46 +00:00
Jakob Stoklund Olesen
195132633a Remmeber to print full live interval on verification error. 
llvm-svn: 117391
 2010-10-26 20:21:43 +00:00
Rafael Espindola
50d3c29c30 Add support for .ident. 
llvm-svn: 117389
 2010-10-26 19:35:47 +00:00
Jim Grosbach
04cd5e5841 Grammar. 
llvm-svn: 117388
 2010-10-26 19:34:41 +00:00
Jim Grosbach
db5b1d93c2 Nuke extraneous comment. It's applicable elsewhere, but not in this func. 
llvm-svn: 117387
 2010-10-26 19:22:23 +00:00
Owen Anderson
ee9f7e6c20 Tests for NEON encoding of vrecpe, vrecps, vrsqrte, and vsqrts. 
llvm-svn: 117385
 2010-10-26 18:43:13 +00:00
Andrew Trick
06fb7ed472 Jakob's review of the basic register allocator. 
llvm-svn: 117384
 2010-10-26 18:34:01 +00:00
Owen Anderson
9e49cae184 Tests for NEON encodings of vpmin and vpmax. 
llvm-svn: 117382
 2010-10-26 18:31:47 +00:00
Owen Anderson
d8e5d26a56 Add correct NEON encoding for vpadal. 
llvm-svn: 117380
 2010-10-26 18:18:03 +00:00
Rafael Espindola
adaf2ea5c6 handle X86::EH_RETURN64 and X86::EH_RETURN. 
llvm-svn: 117378
 2010-10-26 18:09:55 +00:00
Owen Anderson
1940ad62ca Tests for NEON encoding of vpadd and vpaddl. 
llvm-svn: 117377
 2010-10-26 18:04:51 +00:00
Devang Patel
e544bb3842 s/beginScope/beginInstruction/g 
s/endScope/endInstruction/g

llvm-svn: 117376
 2010-10-26 17:49:02 +00:00
Owen Anderson
b7618a821f Add NEON encodings for vmov and vmvn of immediates. 
llvm-svn: 117374
 2010-10-26 17:40:54 +00:00
Jakob Stoklund Olesen
de018e2d8e Don't verify physical registers going into landing pads. 
Magic is happening that we don't understand.

llvm-svn: 117370
 2010-10-26 16:49:23 +00:00
Rafael Espindola
e38790534e Implement some relaxations for arithmetic instructions. The limitation 
on RIP relative relocations looks artificial, but this is a superset of
what we were able to do before.

llvm-svn: 117364
 2010-10-26 14:09:12 +00:00
Duncan Sands
5e0c84786b Yet another thing that was forgotten to be added to the release notes... 
llvm-svn: 117362
 2010-10-26 12:43:36 +00:00
Kalle Raiskila
64680cd5b8 Change v64 datalayout in SPU. 
The SPU ABI does not mention v64, and all examples
in C suggest v128 are treated similarily to arrays, 
we use array alignment for v64 too. This makes the 
alignment of e.g. [2 x <2 x i32>] behave "intuitively"
and similar to as if the elements were e.g. i32s.

This also makes an "unaligned store" test to be 
aligned, with different (but functionally equivalent)
code generated.

llvm-svn: 117360
 2010-10-26 10:45:47 +00:00
NAKAMURA Takumi
abee1c5f85 CMake: Build utils/KillTheDoctor only on MSVC for now. 
Mingw does not have the header <dbghelp.h>.
Thanks to Daniel Newton, testing it on mingw.

llvm-svn: 117352
 2010-10-26 05:08:27 +00:00
Evan Cheng
324e678bb7 Use instruction itinerary to determine what instructions are 'cheap'. 
llvm-svn: 117348
 2010-10-26 02:08:50 +00:00
Evan Cheng
59acb7e4cf NEON vmov's are in Neon domain. 
llvm-svn: 117347
 2010-10-26 02:03:05 +00:00
Nick Lewycky
f7dddd658f For statistics that are only used in functions declared in !NDEBUG, wrap the 
declarations in !NDEBUG to avoid -Wunused-variable warnings. Patch by
Matt Beaumont-Gay!

llvm-svn: 117345
 2010-10-26 00:51:57 +00:00
Jakob Stoklund Olesen
b0c10ed95a InlineSpiller can also update LiveStacks. 
llvm-svn: 117338
 2010-10-26 00:11:35 +00:00
Jakob Stoklund Olesen
3988c3fb55 Make the spiller responsible for updating the LiveStacks analysis. 
llvm-svn: 117337
 2010-10-26 00:11:33 +00:00
Bob Wilson
309484bb46 When the "true" and "false" blocks of a diamond if-conversion are the same, 
do not double-count the duplicate instructions by counting once from the
beginning and again from the end.  Keep track of where the duplicates from
the beginning ended and don't go past that point when counting duplicates
at the end.  Radar 8589805.

This change causes one of the MC/ARM/simple-fp-encoding tests to produce
different (better!) code without the vmovne instruction being tested.
I changed the test to produce vmovne and vmoveq instructions but moving
between register files in the opposite direction.  That's not quite the same
but predicated versions of those instructions weren't being tested before,
so at least the test coverage is not any worse, just different.

llvm-svn: 117333
 2010-10-26 00:02:24 +00:00
Bob Wilson
685e143630 Change if-conversion to keep track of the extra cost due to microcoded 
instructions separately from the count of non-predicated instructions.  The
instruction count is used in places to determine how many instructions to
copy, predicate, etc. and things get confused if that count includes the
extra cost for microcoded ops.

llvm-svn: 117332
 2010-10-26 00:02:21 +00:00
Bob Wilson
abe62128b5 Tidy up redundant check. 
llvm-svn: 117331
 2010-10-26 00:02:19 +00:00
Evan Cheng
2439e51388 Neuter r117193 as it causes significant post-ra scheduler compile time regression. 
llvm-svn: 117329
 2010-10-25 23:56:21 +00:00
Owen Anderson
67684a0bae Tests for NEON encoding of vmax. 
llvm-svn: 117327
 2010-10-25 23:45:34 +00:00
Owen Anderson
10a13e5063 Tests for NEON encoding of vmin. 
llvm-svn: 117326
 2010-10-25 23:35:36 +00:00
Rafael Espindola
5fecad6a27 Produce the headers directly in the Finish method. This allows us to use 
the existing streamer methods that are endian safe.

llvm-svn: 117323
 2010-10-25 22:26:55 +00:00
Dale Johannesen
2566d39d07 An stdcall function calling a non-stdcall function 
cannot use tailcall.  PR 8461.

llvm-svn: 117322
 2010-10-25 22:17:05 +00:00
Dan Gohman
ef977ab6b6 Support TBAA attachments on calls. This is somewhat experimental. 
llvm-svn: 117317
 2010-10-25 21:38:20 +00:00
Devang Patel
fa145a94d1 Simplify. 
Do not count use of sdisel for single call instruction.

llvm-svn: 117316
 2010-10-25 21:31:46 +00:00
Owen Anderson
e5e0dcd665 Add correct encodings for NEON vabal. 
llvm-svn: 117315
 2010-10-25 21:29:04 +00:00
Dan Gohman
20a3dd4ee1 Fix chaining in TBAA's pointsToConstantMemory. 
llvm-svn: 117314
 2010-10-25 21:24:55 +00:00
Devang Patel
206643ef76 Update SelectBasicBlock signature. This should have been committed with r117310. 
llvm-svn: 117312
 2010-10-25 21:04:12 +00:00