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Author SHA1 Message Date
Jakob Stoklund Olesen
3a0e0715a5 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117408 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 22:36:09 +00:00
Jakob Stoklund Olesen
501dc42245 Verify that live intervals are connected. If there are multiple connected 
components, each should get its own virtual register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117407 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 22:36:07 +00:00
Jakob Stoklund Olesen
f1354ae95a Call RenumberValues for all new registers created during splitting. This is 
necessary to get correct hasPHIKill flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117406 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 22:36:05 +00:00
Jakob Stoklund Olesen
79c0262fa8 Preserve PHIDef bits in cloned values during splitting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117405 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 22:36:02 +00:00
Devang Patel
7e13efad38 Assign source ordering to nodes created for StoreInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117404 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 22:14:52 +00:00
Owen Anderson
632c235a31 Correct NEON encodings for vshrn, vrshl, vrshr, vrshrn. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117402 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 21:58:41 +00:00
Jim Grosbach
8ac98cb665 FileCheck'ize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 21:26:47 +00:00
Owen Anderson
6a36ad75a4 Add tests for NEON encoding of vshll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117399 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 21:21:47 +00:00
Owen Anderson
ac92262b61 Simplify classes for shift instructions, which are never commutable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117398 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 21:13:59 +00:00
Owen Anderson
4ba5d61f2d Tests for NEON encoding of vshr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 21:08:42 +00:00
Owen Anderson
3557d00a38 Provide correct NEON encodings for vshl, register and immediate forms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117394 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 20:56:57 +00:00
Jakob Stoklund Olesen
f4a1e1a69f Teach MachineBasicBlock::print() to annotate instructions and blocks with 
SlotIndexes when available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117392 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 20:21:46 +00:00
Jakob Stoklund Olesen
dbcc2e119d Remmeber to print full live interval on verification error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117391 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 20:21:43 +00:00
Rafael Espindola
61e3b91da7 Add support for .ident. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117389 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 19:35:47 +00:00
Jim Grosbach
0eb7d06ab1 Grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117388 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 19:34:41 +00:00
Jim Grosbach
c3baf62800 Nuke extraneous comment. It's applicable elsewhere, but not in this func. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117387 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 19:22:23 +00:00
Owen Anderson
c8cb3535a9 Tests for NEON encoding of vrecpe, vrecps, vrsqrte, and vsqrts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117385 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 18:43:13 +00:00
Andrew Trick
e16eecc323 Jakob's review of the basic register allocator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117384 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 18:34:01 +00:00
Owen Anderson
6915cdab8f Tests for NEON encodings of vpmin and vpmax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 18:31:47 +00:00
Owen Anderson
bc4118bd36 Add correct NEON encoding for vpadal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117380 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 18:18:03 +00:00
Rafael Espindola
de42e5c09b handle X86::EH_RETURN64 and X86::EH_RETURN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117378 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 18:09:55 +00:00
Owen Anderson
000e105d0f Tests for NEON encoding of vpadd and vpaddl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117377 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 18:04:51 +00:00
Devang Patel
cbbe287f8a s/beginScope/beginInstruction/g 
s/endScope/endInstruction/g



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117376 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 17:49:02 +00:00
Owen Anderson
a88ea03bf2 Add NEON encodings for vmov and vmvn of immediates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117374 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 17:40:54 +00:00
Jakob Stoklund Olesen
e459d55f28 Don't verify physical registers going into landing pads. 
Magic is happening that we don't understand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117370 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 16:49:23 +00:00
Rafael Espindola
e4f506ff4b 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117364 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 14:09:12 +00:00
Duncan Sands
ff91d1a4d8 Yet another thing that was forgotten to be added to the release notes... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117362 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 12:43:36 +00:00
Kalle Raiskila
505faa6b12 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117360 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 10:45:47 +00:00
NAKAMURA Takumi
15b337c28d 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117352 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 05:08:27 +00:00
Evan Cheng
c8141dfc7f Use instruction itinerary to determine what instructions are 'cheap'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117348 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 02:08:50 +00:00
Evan Cheng
0e9996ca94 NEON vmov's are in Neon domain. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117347 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 02:03:05 +00:00
Nick Lewycky
a568d66512 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!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117345 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 00:51:57 +00:00
Jakob Stoklund Olesen
0a12b801b5 InlineSpiller can also update LiveStacks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117338 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 00:11:35 +00:00
Jakob Stoklund Olesen
2d17293dd0 Make the spiller responsible for updating the LiveStacks analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117337 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 00:11:33 +00:00
Bob Wilson
7c730e7790 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117333 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 00:02:24 +00:00
Bob Wilson
2ad40d3494 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117332 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 00:02:21 +00:00
Bob Wilson
b3a6817d06 Tidy up redundant check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117331 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-26 00:02:19 +00:00
Evan Cheng
38fd9f2a2d Neuter r117193 as it causes significant post-ra scheduler compile time regression. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117329 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 23:56:21 +00:00
Owen Anderson
93ef3fd9c0 Tests for NEON encoding of vmax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117327 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 23:45:34 +00:00
Owen Anderson
a13067e366 Tests for NEON encoding of vmin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117326 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 23:35:36 +00:00
Rafael Espindola
3336384239 Produce the headers directly in the Finish method. This allows us to use 
the existing streamer methods that are endian safe.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117323 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 22:26:55 +00:00
Dale Johannesen
d155d7e428 An stdcall function calling a non-stdcall function 
cannot use tailcall.  PR 8461.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117322 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 22:17:05 +00:00
Dan Gohman
87c5c2f069 Support TBAA attachments on calls. This is somewhat experimental. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117317 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 21:38:20 +00:00
Devang Patel
df8370bd70 Simplify. 
Do not count use of sdisel for single call instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117316 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 21:31:46 +00:00
Owen Anderson
5258b61966 Add correct encodings for NEON vabal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117315 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 21:29:04 +00:00
Dan Gohman
0b2136927d Fix chaining in TBAA's pointsToConstantMemory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117314 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 21:24:55 +00:00
Devang Patel
9c11be222c Update SelectBasicBlock signature. This should have been committed with r117310. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117312 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 21:04:12 +00:00
Devang Patel
948f7d0216 Add counters to count basic blocks and machine basic blocks with out of order line number info. 
Add counters to count how many basic blocks are entirely selected by fastisel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117310 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 20:55:43 +00:00
Owen Anderson
410aebc670 Add correct NEON encodings for vaba. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117309 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 20:52:57 +00:00
Devang Patel
9a31f0f398 Add simple counter to count no. of basic blocks without any line number information. At -O0, these basic block coule cause less than optimial debugging experience. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117307 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-25 20:45:32 +00:00