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Author SHA1 Message Date
Evan Cheng
d2ca813549 Correct some load / store instruction itinerary mistakes: 
1. Cortex-A8 load / store multiplies can only issue on ALU0.
2. Eliminate A8_Issue, A8_LSPipe will correctly limit the load / store issues.
3. Correctly model all vld1 and vld2 variants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116134 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 01:03:04 +00:00
Bill Wendling
5ed5c38423 Simplify test and move into a generic "crash" ll file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116130 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 00:29:04 +00:00
Bill Wendling
0aa38b9381 Check to make sure that the iterator isn't at the beginning of the basic block 
before decrementing. <rdar://problem/8529919>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116126 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-09 00:03:48 +00:00
Chris Lattner
0d9a0865c6 add jit support for the new psuedo instructions I added for 
the add/or xform.  The JIT isn't mcized yet, boo.

This fixes Olden/voronoi, bh and a ton of other stuff that
uses the jit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116125 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 23:59:27 +00:00
Chris Lattner
8dae787db4 machine a mutable machineinstr down into emitInstruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116124 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 23:54:01 +00:00
Eric Christopher
e93417bcc8 Fix the store part of this as well. Fixes smg2000. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116123 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 23:52:16 +00:00
Jakob Stoklund Olesen
7466927b1a Rename SplitEditor::rewrite to finish() and break it out into a couple of new 
functions: computeRemainder and rewrite.

When the remainder breaks up into multiple components, remember to rewrite those
uses as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116121 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 23:42:21 +00:00
Evan Cheng
d82de8341c Avoid compiler warning: comparison between signed and unsigned integer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116119 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 23:01:57 +00:00
Jakob Stoklund Olesen
a32181a57d Extract method ProcessUses from LocalRewriter::RewriteMBB. Both parent and child 
are still way too long, but it's a start.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116116 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 22:14:41 +00:00
Anton Korobeynikov
657985eb8b Do not check that the bodies of two defs of same linkonce global are the same. 
Such a check does not make any sense in presense of inlining and other compiler-dependent stuff.
This should fix bunch of warnings on mingw32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116113 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 21:50:04 +00:00
Jim Grosbach
56ac907c57 Implement a few more binary encoding bits. Still very early stage proof-of- 
concept level stuff at this point, but it is generally working for those
instructions that know how to map the operands.

This patch fills in the register operands for add/sub/or/etc instructions
and adds the conditional execution predicate encoding.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116112 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 21:45:55 +00:00
Jim Grosbach
6313944845 Allow << streaming of MCOperand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116107 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 21:36:13 +00:00
Jakob Stoklund Olesen
54f32e6575 Classify value numbers into connected components in linear time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116105 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 21:19:28 +00:00
Rafael Espindola
ff9dfedd10 Call InitSections in llc and clang so that the binaries produced by them 
are easier to diff with those produced by llvm-mc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116095 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 19:37:38 +00:00
Dan Gohman
c2921ea840 Filter out illegal formulae after updating offsets, not before, so that 
formulae which become illegal as a result of the offset updating don't
escape.

This is for rdar://8529692. No testcase yet, because the given cases
hit use-list ordering differences.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 19:33:26 +00:00
Cameron Esfahani
ec37b00b17 Recommit 116056, now with the missing file... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116083 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 19:24:18 +00:00
Evan Cheng
e95f3195b8 Don't waste time unfolding simple loads. The unfolded copy won't be hoisted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116081 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 18:59:19 +00:00
Evan Cheng
1aca5bc135 Fix operand latency computation in cases where the definition operand is 
implicit. e.g.
%D6<def>, %D7<def> = VLD1q16 %R2<kill>, 0, ..., %Q3<imp-def>                                                                                                                                                                              
%Q1<def> = VMULv8i16 %Q1<kill>, %Q3<kill>, ...

The real definition indices are 0,1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116080 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 18:42:25 +00:00
Daniel Dunbar
95b4672234 CrashRecovery: Fix raise() override to actually send the right signal, *cough*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 18:31:34 +00:00
Jim Grosbach
bb16824dc3 A few 80 column cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116069 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 18:13:57 +00:00
Jim Grosbach
9ed2cee105 trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116068 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 18:09:59 +00:00
Jim Grosbach
3e09413c2c Reapply 116059, this time without the fatfingered pasto at the top. 
''const'ify getMachineOpValue() and associated helpers.'

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116067 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 17:45:54 +00:00
Jim Grosbach
2cee75a254 Reverting 116059. Bots are unhappy with it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116064 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 17:28:40 +00:00
Andrew Trick
5900201aa7 reverting 116056: win64_params.ll may need to be conditionalized? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116063 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 17:22:42 +00:00
Devang Patel
b2bada305e Line number 0 indicates there is no source line/file name info available for this construct. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116061 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 17:18:54 +00:00
Jim Grosbach
461caba214 'const'ify getMachineOpValue() and associated helpers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 16:52:44 +00:00
Kenneth Uildriks
ca52c8ba12 Start separating out code metrics into code size metrics and code performance metrics. Partial Specialization will apply the former to function specializations, and the latter to all callsites that can use a specialization, in order to decide whether to create a specialization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116057 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 13:57:31 +00:00
Cameron Esfahani
d7b8d91d4a Small patch to restore home register stack space allocation for the Win64 case. Add test case. This code eventually needs to be tighter, since it's always allocating it, even in leaf routines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116056 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 10:31:30 +00:00
Bob Wilson
7d24705f65 Change register allocation order for ARM VFP and NEON registers to put the 
callee-saved registers at the end of the lists.  Also prefer to avoid using
the low registers that are in register subclasses required by certain
instructions, so that those registers will more likely be available when needed.
This change makes a huge improvement in spilling in some cases.  Thanks to
Jakob for helping me realize the problem.

Most of this patch is fixing the testsuite.  There are quite a few places
where we're checking for specific registers.  I changed those to wildcards
in places where that doesn't weaken the tests.  The spill-q.ll and
thumb2-spill-q.ll tests stopped spilling with this change, so I added a bunch
of live values to force spills on those tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116055 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 06:15:13 +00:00
Chris Lattner
4075546739 testcase that goes with r116053 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116054 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 05:12:30 +00:00
Chris Lattner
d043529b34 fix a subtle bug I introduced in my refactoring, where we stopped preferring 
the i8 versions of instructions in some cases.  In test6, we started 
generating:

	cmpq	$0, -8(%rsp)            ## encoding: [0x48,0x81,0x7c,0x24,0xf8,0x00,0x00,0x00,0x00]
                                        ## <MCInst #478 CMP64mi32
                                        ##  <MCOperand Reg:114>
                                        ##  <MCOperand Imm:1>
                                        ##  <MCOperand Reg:0>
                                        ##  <MCOperand Imm:-8>
                                        ##  <MCOperand Reg:0>
                                        ##  <MCOperand Imm:0>>

instead of:

	cmpq	$0, -8(%rsp)            ## encoding: [0x48,0x83,0x7c,0x24,0xf8,0x00]
                                        ## <MCInst #479 CMP64mi8
                                        ##  <MCOperand Reg:114>
                                        ##  <MCOperand Imm:1>
                                        ##  <MCOperand Reg:0>
                                        ##  <MCOperand Imm:-8>
                                        ##  <MCOperand Reg:0>
                                        ##  <MCOperand Imm:0>>

Fix this and add some comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116053 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 05:12:14 +00:00
Chris Lattner
77c7008469 rename test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116052 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 05:05:06 +00:00
Chris Lattner
4a26318224 merge tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116051 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 05:04:58 +00:00
Chris Lattner
48b03bc70a filecheckize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116050 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 05:02:29 +00:00
Chris Lattner
15df55d8c2 reapply: Use the new TB_NOT_REVERSABLE flag instead of special 
reapply: reimplement the second half of the or/add optimization.  We should now

with no changes.  Turns out that one missing "Defs = [EFLAGS]" can upset things
a bit.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116040 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 03:57:25 +00:00
Chris Lattner
99ae6659da reapply the patch reverted in r116033: 
"Reimplement (part of) the or -> add optimization.  Matching 'or' into 'add'"

With a critical fix: the add pseudos clobber EFLAGS.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116039 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 03:54:52 +00:00
Michael J. Spencer
0de25f7b38 Fix Formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116038 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 03:17:21 +00:00
Michael J. Spencer
6ab219de7e MC-COFF: Fix Simple and Complex type. Fixes PR8320. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116037 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 03:17:11 +00:00
Michael J. Spencer
290b316a4e Fix Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116036 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 03:16:56 +00:00
Daniel Dunbar
30db22f3c9 Update CMake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 02:30:03 +00:00
Daniel Dunbar
b88b00ba2b Revert "Reimplement (part of) the or -> add optimization. Matching 'or' into 
'add'", which seems to have broken just about everything.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116033 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 02:07:32 +00:00
Daniel Dunbar
b38109fc2d Revert "Use the new TB_NOT_REVERSABLE flag instead of special ", which depends 
on r116007, which I am about to revert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116032 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 02:07:29 +00:00
Daniel Dunbar
32f0cdba30 Revert "reimplement the second half of the or/add optimization. We should now", 
which depends on r116007, which I am about to revert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116031 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 02:07:26 +00:00
Daniel Dunbar
6aa526bf76 Fix -Asserts warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116030 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 02:07:22 +00:00
Eric Christopher
7a56f33583 Move to thumb2 loads, fixes a problem with incoming registers 
as thumb1.

Fixes lencod.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 01:13:17 +00:00
Chris Lattner
cd3167b281 reimplement the second half of the or/add optimization. We should now 
only end up emitting LEA instead of OR.  If we aren't able to promote
something into an LEA, we should never be emitting it as an ADD.

Add some testcases that we emit "or" in cases where we used to produce
an "add".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116026 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 01:05:10 +00:00
Jim Grosbach
0f448b5bf6 Add test file for simple ARM binary encodings with MC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116024 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 00:47:59 +00:00
Jim Grosbach
58f38bfa24 Enable binary encoding of some simple instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116022 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 00:39:21 +00:00
Eric Christopher
c9f1cddc51 Try to fix ocaml bindings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116021 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 00:36:21 +00:00
Jim Grosbach
bade37bb8b Make <target>CodeEmitter::getBinaryCodeForInstr() a const method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116018 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 00:21:28 +00:00