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42168 Commits

Author SHA1 Message Date
Eric Christopher
6f65f8a4d3 Implement select handling for ARM fast-isel. 
llvm-svn: 116194
 2010-10-11 08:27:59 +00:00
Chris Lattner
c9709f154d Per discussion with Sanjiv, remove the PIC16 target from mainline. When/if 
it comes back, it will be largely a rewrite, so keeping the old codebase
in tree isn't helping anyone.

llvm-svn: 116190
 2010-10-11 05:44:40 +00:00
Michael J. Spencer
08b96a9209 X86: Call ulldiv and ftol2 on Windows instead of their libgcc eqivilents. 
llvm-svn: 116188
 2010-10-11 05:29:15 +00:00
Michael J. Spencer
8f7251a0e9 X86: MinGW should always use libgcc on Windows. 
llvm-svn: 116177
 2010-10-10 23:11:06 +00:00
Michael J. Spencer
b13cb4dd72 X86: Call _alldiv instead of __divdi3 on Windows (excluding cygwin). 
llvm-svn: 116174
 2010-10-10 22:04:34 +00:00
Michael J. Spencer
ae56350c76 Fix Whitespace. 
llvm-svn: 116173
 2010-10-10 22:04:20 +00:00
Chris Lattner
b63869a25b fix the default va_arg expansion (in the realignment case) to not implicitly 
truncate the stack pointer to 32-bits on a 64-bit machine.

llvm-svn: 116169
 2010-10-10 18:36:26 +00:00
Chris Lattner
2b428a0ab8 fix the expansion of va_arg instruction on PPC to know the arg 
alignment for PPC32/64, avoiding some masking operations.

llvm-gcc expands vaarg inline instead of using the instruction
so it has never hit this.

llvm-svn: 116168
 2010-10-10 18:34:00 +00:00
Kenneth Uildriks
e9771f15f7 Now using a variant of the existing inlining heuristics to decide whether to create a given specialization of a function in PartialSpecialization. If the total performance bonus across all callsites passing the same constant exceeds the specialization cost, we create the specialization. 
llvm-svn: 116158
 2010-10-09 22:06:36 +00:00
Benjamin Kramer
e2a5f1be3b Silence compiler warning. 
llvm-svn: 116156
 2010-10-09 16:36:44 +00:00
Michael J. Spencer
56d81e7eae MC-COFF: Fix .bss section size. Fixes PR8335. Patch by NAKAMUTA Takumi! 
llvm-svn: 116155
 2010-10-09 16:04:45 +00:00
Michael J. Spencer
4dc462314c MC-COFF: Implement InitSections. Fixes PR8335. 
llvm-svn: 116151
 2010-10-09 15:44:27 +00:00
Michael J. Spencer
9e8793d7d6 MC-COFF: Add COFFAsmParser. Completes PR8343. 
llvm-svn: 116150
 2010-10-09 11:01:07 +00:00
Michael J. Spencer
1c60bd155b Fix Whitespace. 
llvm-svn: 116149
 2010-10-09 11:00:50 +00:00
Michael J. Spencer
3066a09189 MC-COFF: Assert on non-coff sections. 
llvm-svn: 116148
 2010-10-09 11:00:37 +00:00
Evan Cheng
8c17a06411 Add VLD4 scheduling itineraries. 
llvm-svn: 116143
 2010-10-09 04:07:58 +00:00
Michael J. Spencer
a2f33dfddc MC: Move ParseDirectiveELFType into ELFAsmParser. COFF uses .type for something else. 
llvm-svn: 116142
 2010-10-09 03:47:55 +00:00
Evan Cheng
df7f5672ee Finish vld3 and vld4. 
llvm-svn: 116140
 2010-10-09 01:45:34 +00:00
Evan Cheng
bf6307d869 Complete vld2 instruction itineries. 
llvm-svn: 116136
 2010-10-09 01:26:12 +00:00
Evan Cheng
c0933d5ec1 Multiply instructions are issued on pipeline 0. They do not need to reserve pipeline 1. 
llvm-svn: 116135
 2010-10-09 01:15:04 +00:00
Evan Cheng
15fc769cf2 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.

llvm-svn: 116134
 2010-10-09 01:03:04 +00:00
Bill Wendling
ba58fb0f42 Check to make sure that the iterator isn't at the beginning of the basic block 
before decrementing. <rdar://problem/8529919>

llvm-svn: 116126
 2010-10-09 00:03:48 +00:00
Chris Lattner
68ff81a2e6 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.

llvm-svn: 116125
 2010-10-08 23:59:27 +00:00
Chris Lattner
2176ca6377 machine a mutable machineinstr down into emitInstruction. 
llvm-svn: 116124
 2010-10-08 23:54:01 +00:00
Eric Christopher
a1d180e00e Fix the store part of this as well. Fixes smg2000. 
llvm-svn: 116123
 2010-10-08 23:52:16 +00:00
Jakob Stoklund Olesen
8c2e951b2b 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.

llvm-svn: 116121
 2010-10-08 23:42:21 +00:00
Evan Cheng
7904166763 Avoid compiler warning: comparison between signed and unsigned integer. 
llvm-svn: 116119
 2010-10-08 23:01:57 +00:00
Jakob Stoklund Olesen
c14c1d2e21 Extract method ProcessUses from LocalRewriter::RewriteMBB. Both parent and child 
are still way too long, but it's a start.

No functional change intended.

llvm-svn: 116116
 2010-10-08 22:14:41 +00:00
Anton Korobeynikov
c425302670 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.

llvm-svn: 116113
 2010-10-08 21:50:04 +00:00
Jim Grosbach
3075d28c15 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.

llvm-svn: 116112
 2010-10-08 21:45:55 +00:00
Jakob Stoklund Olesen
9d127e625c Classify value numbers into connected components in linear time. 
llvm-svn: 116105
 2010-10-08 21:19:28 +00:00
Rafael Espindola
bfd3c31acf Call InitSections in llc and clang so that the binaries produced by them 
are easier to diff with those produced by llvm-mc.

llvm-svn: 116095
 2010-10-08 19:37:38 +00:00
Dan Gohman
d64a33ade4 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.

llvm-svn: 116093
 2010-10-08 19:33:26 +00:00
Cameron Esfahani
664317d6cd Recommit 116056, now with the missing file... 
llvm-svn: 116083
 2010-10-08 19:24:18 +00:00
Evan Cheng
8833658eb0 Don't waste time unfolding simple loads. The unfolded copy won't be hoisted. 
llvm-svn: 116081
 2010-10-08 18:59:19 +00:00
Evan Cheng
b6cde7cdf4 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.

llvm-svn: 116080
 2010-10-08 18:42:25 +00:00
Daniel Dunbar
0ee860f6fd CrashRecovery: Fix raise() override to actually send the right signal, *cough*. 
llvm-svn: 116072
 2010-10-08 18:31:34 +00:00
Jim Grosbach
85b45fcc52 Reapply 116059, this time without the fatfingered pasto at the top. 
''const'ify getMachineOpValue() and associated helpers.'

llvm-svn: 116067
 2010-10-08 17:45:54 +00:00
Jim Grosbach
674fa65e33 Reverting 116059. Bots are unhappy with it. 
llvm-svn: 116064
 2010-10-08 17:28:40 +00:00
Andrew Trick
0d8a3d67e0 reverting 116056: win64_params.ll may need to be conditionalized? 
llvm-svn: 116063
 2010-10-08 17:22:42 +00:00
Devang Patel
3090b0ebf1 Line number 0 indicates there is no source line/file name info available for this construct. 
llvm-svn: 116061
 2010-10-08 17:18:54 +00:00
Jim Grosbach
8d4bb23650 'const'ify getMachineOpValue() and associated helpers. 
llvm-svn: 116059
 2010-10-08 16:52:44 +00:00
Kenneth Uildriks
0545afa8fd 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 
llvm-svn: 116057
 2010-10-08 13:57:31 +00:00
Cameron Esfahani
a9f8bb1356 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. 
llvm-svn: 116056
 2010-10-08 10:31:30 +00:00
Bob Wilson
8689a52c10 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.

llvm-svn: 116055
 2010-10-08 06:15:13 +00:00
Chris Lattner
244e13f439 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.

llvm-svn: 116053
 2010-10-08 05:12:14 +00:00
Chris Lattner
82ce325f16 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.

llvm-svn: 116040
 2010-10-08 03:57:25 +00:00
Chris Lattner
fbdd285dd6 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.

llvm-svn: 116039
 2010-10-08 03:54:52 +00:00
Daniel Dunbar
8b2890afae Update CMake. 
llvm-svn: 116034
 2010-10-08 02:30:03 +00:00
Daniel Dunbar
d3b6b8bf2b Revert "Reimplement (part of) the or -> add optimization. Matching 'or' into 
'add'", which seems to have broken just about everything.

llvm-svn: 116033
 2010-10-08 02:07:32 +00:00