Commit Graph

11897 Commits

Author SHA1 Message Date
Evan Cheng 8ce967e393 Fix an obvious typo which inverted an immediate.
llvm-svn: 118951
2010-11-13 00:27:47 +00:00
Eric Christopher a08ccc8cb9 This should be still failing, but is. Disable it with the
forget-me-stick for now.

llvm-svn: 118950
2010-11-13 00:25:06 +00:00
Wesley Peck 240162629c 1. Adding missing immediate mode asm parser test cases.
2. Fixing improper immediate mode reverse subtract.

llvm-svn: 118948
2010-11-13 00:03:46 +00:00
Wesley Peck 4b074b8995 Fixing improperly encoded reverse subtract instructions in MBlaze backend.
llvm-svn: 118943
2010-11-12 23:41:10 +00:00
Wesley Peck c542248602 1. Finishing MBlaze MC asm parser test cases
2. Parsing .word directive in MBlaze asm parser
3. Fixing hack where memory instructions reversed order of last two parameters
4. Fixing many improperly encoded instructions
5. Support parsing special instructions (MFS,MTS,etc.)
6. Removing unused functions from inst printer

llvm-svn: 118941
2010-11-12 23:30:17 +00:00
Evan Cheng 0fc8084a64 Add conditional mvn instructions.
llvm-svn: 118935
2010-11-12 22:42:47 +00:00
Owen Anderson 8fdd172502 First stab at providing correct Thumb2 encodings, start with adc.
llvm-svn: 118924
2010-11-12 21:12:40 +00:00
Evan Cheng 2d59ee34f1 Add some missing isel predicates on def : pat patterns to avoid generating VFP vmla / vmls (they cause stalls). Disabling them in isel is properly not a right solution, I'll look into a proper solution next.
llvm-svn: 118922
2010-11-12 20:32:20 +00:00
Chris Lattner 87cf7f787e accept lret as an alias for lretl, fixing the reopened part of PR8592
llvm-svn: 118916
2010-11-12 18:54:56 +00:00
Andrew Trick b709ec6345 Emacs auto-fill bug.
llvm-svn: 118908
2010-11-12 18:17:46 +00:00
Andrew Trick ff5f8680d8 Test case for PR8287: SD scheduling time. Fixed in r118904.
llvm-svn: 118906
2010-11-12 17:57:22 +00:00
Chris Lattner 5b013b102d implement PR8592: empirically "lretq" is a "lret" with a rex.w prefix.
llvm-svn: 118903
2010-11-12 17:41:20 +00:00
Rafael Espindola de990b270d gnu as support both % and @ before types, do the same.
llvm-svn: 118893
2010-11-12 15:47:08 +00:00
Kalle Raiskila 0a9dd405a5 Fix memory access lowering on SPU, adding
support for the case where alignment<value size.

These cases were silently miscompiled before this patch.
Now they are overly verbose -especially storing is- and
any front-end should still avoid misaligned memory 
accesses as much as possible. The bit juggling algorithm
added here probably has some room for improvement still.

llvm-svn: 118889
2010-11-12 10:14:03 +00:00
Dan Gohman d4b7fff2e8 Enhance DSE to handle the case where a free call makes more than
one store dead. This is especially noticeable in
SingleSource/Benchmarks/Shootout/objinst.

llvm-svn: 118875
2010-11-12 02:19:17 +00:00
Dan Gohman 620c38f030 Filecheckize.
llvm-svn: 118874
2010-11-12 02:02:39 +00:00
Bruno Cardoso Lopes 03c0330176 Enable mips32 mul instruction. Patch by Akira Hatanaka <ahatanaka@mips.com>
llvm-svn: 118864
2010-11-12 00:38:32 +00:00
Owen Anderson ce2250fba4 Fill out support for Thumb2 encodings of NEON instructions.
llvm-svn: 118854
2010-11-11 23:12:55 +00:00
Wesley Peck bf65066a37 Fix tblgen instruction errors exposed by MC asm parser tests
Fix minimum 16-bit signed value error exposed by MC asm parser tests
Add initial MC asm parser tests for the MBlaze backend

llvm-svn: 118844
2010-11-11 21:40:53 +00:00
Owen Anderson 99a8cb4875 Add correct Thumb2 encodings for NEON vst[1,2,3,4] and vld[1,2,3,4].
llvm-svn: 118843
2010-11-11 21:36:43 +00:00
Dan Gohman a826a88755 Factor out Instruction::isSafeToSpeculativelyExecute's code for
testing for dereferenceable pointers into a helper function,
isDereferenceablePointer.  Teach it how to reason about GEPs
with simple non-zero indices.

Also eliminate ArgumentPromtion's IsAlwaysValidPointer,
which didn't check for weak externals or out of range gep
indices.

llvm-svn: 118840
2010-11-11 21:23:25 +00:00
Owen Anderson a56a2e1fc5 Flesh out tests for Thumb2 encodings of NEON instructions.
llvm-svn: 118837
2010-11-11 21:15:47 +00:00
Dan Gohman 22e0e1cecb Delete unneeded ssp attributes.
llvm-svn: 118836
2010-11-11 21:08:46 +00:00
Owen Anderson 7ffe3b35ac Add support for Thumb2 encodings of NEON data processing instructions, using the new PostEncoderMethod infrastructure.
More tests to come.

llvm-svn: 118819
2010-11-11 19:07:48 +00:00
Rafael Espindola 84d031870c Mark labels declared in tls sections as STT_TLS. This matches the behavior of
gas.

llvm-svn: 118818
2010-11-11 19:04:55 +00:00
Rafael Espindola a3e9a2298d Initial comdat implementation.
llvm-svn: 118805
2010-11-11 18:13:52 +00:00
Dan Gohman dcdfd8dd24 TBAA-enable ArgumentPromotion.
llvm-svn: 118804
2010-11-11 18:09:32 +00:00
Rafael Espindola fb6540c112 Make AliasedSymbol able to handle MCTargetExpr. They can get here if
a weakref is used with a VariantKind.

llvm-svn: 118798
2010-11-11 17:24:43 +00:00
Rafael Espindola fa7b55754c Fix the symbol index of weak references. Also make RecordRelocation a bit
easier to read by having const references to the symbol, aliased symbol and
renamed symbol.

llvm-svn: 118793
2010-11-11 16:48:11 +00:00
Dan Gohman 6cf9bb45ad Remove the memmove->memcpy optimization from CodeGen. MemCpyOpt does this.
llvm-svn: 118789
2010-11-11 16:24:49 +00:00
Dan Gohman 0cc4c7516e Make Sink tbaa-aware.
llvm-svn: 118788
2010-11-11 16:21:47 +00:00
NAKAMURA Takumi f791007e81 CMake: Add the new option "LLVM_LIT_ARGS".
Defaults:
if (MSVC OR XCODE): "-sv --no-progress-bar"
else: "-sv"

llvm-svn: 118776
2010-11-11 04:09:35 +00:00
Dan Gohman 3cb92d809b Add a testcase which demonstrates alias analysis pass precedence.
llvm-svn: 118755
2010-11-11 01:03:30 +00:00
Dan Gohman 2e8ca44b81 Fully invalidate cached results when a prior query's size or
type is insufficient for, or incompatible with, the current query.

llvm-svn: 118721
2010-11-10 21:45:11 +00:00
Dan Gohman 0a6021a54d Enhance GVN to do more precise alias queries for non-local memory
references. For example, this allows gvn to eliminate the load in
this example:

  void foo(int n, int* p, int *q) {
    p[0] = 0;
    p[1] = 1;
    if (n) {
      *q = p[0];
    }
  }

llvm-svn: 118714
2010-11-10 20:37:15 +00:00
Duncan Sands f3b1bf1606 Teach InstructionSimplify how to look through PHI nodes. Since PHI
nodes can be used in loops, this could result in infinite looping
if there is no recursion limit, so add such a limit.  It is also
used for the SelectInst case because in theory there could be an
infinite loop there too if the basic block is unreachable.

llvm-svn: 118694
2010-11-10 18:23:01 +00:00
Bruno Cardoso Lopes a4ceea8cd8 Add a test to the previous added clo instruction. Patch by Akira again
llvm-svn: 118668
2010-11-10 02:22:44 +00:00
Dale Johannesen 0171dc30ff When checking that the necessary bits are zero in
order to reduce ((x<<30)>>24) to x<<6, check the
correct bits.  PR 8547.

llvm-svn: 118665
2010-11-10 01:30:56 +00:00
Dan Gohman 2694e14087 Make ModRefBehavior a lattice. Use this to clean up AliasAnalysis
chaining and simplify FunctionAttrs' GetModRefBehavior logic.

llvm-svn: 118660
2010-11-10 01:02:18 +00:00
Dale Johannesen 7e62965a7d Jim's recent fixes 118600, 118587, 118513 have made these work.
llvm-svn: 118652
2010-11-09 23:43:34 +00:00
Bob Wilson 193722ebc8 Do not use MEMBARRIER_MCR for any Thumb code.
It is only supported for ARM code.  Normally Thumb2 code would use DMB instead,
but depending on how the compiler is invoked (e.g., -mattr=-db) that might be
disabled.  This prevents a "cannot select MEMBARRIER_MCR" error in that
situation.  Radar 8644195

llvm-svn: 118642
2010-11-09 22:50:44 +00:00
Dan Gohman e3467a7687 Teach FunctionAttrs about the VAArg instruction.
llvm-svn: 118627
2010-11-09 20:17:38 +00:00
Duncan Sands e5276f11ee Testcase for PR8211 (llc crash at -O0).
llvm-svn: 118509
2010-11-09 16:22:27 +00:00
Dan Gohman 5db8921422 Fix DAGCombiner to avoid folding a sext-in-reg or similar through a shl
in order to fold it into a load.

llvm-svn: 118471
2010-11-09 01:54:35 +00:00
Dan Gohman 4677bafd85 Delete an extraneous svn:executable property.
llvm-svn: 118470
2010-11-09 01:51:06 +00:00
Dale Johannesen f11ea9ce61 Fix an inline asm pasto from 117667; was preventing
{i64, i64} from matching i128.

llvm-svn: 118465
2010-11-09 01:15:07 +00:00
Owen Anderson c7baee31ad Add support for ARM's specialized vector-compare-against-zero instructions.
llvm-svn: 118453
2010-11-08 23:21:22 +00:00
Duncan Sands 52be6b41d3 Add an additional test for icmp of select folding.
llvm-svn: 118441
2010-11-08 20:56:28 +00:00
Dan Gohman 2a9221793a Add a testcase for a call which BasicAA says only accesses memory through
its arguments and which TBAA says doesn't write to memory.

llvm-svn: 118439
2010-11-08 20:20:11 +00:00
Dale Johannesen 0ef474730f Revert 118422 in search of bot verdancy.
llvm-svn: 118429
2010-11-08 19:17:22 +00:00
Jason W Kim f3e224f830 Support -mcpu=cortex-a8 in ARM attributes - Has Fixme. 1 Test modified.
llvm-svn: 118422
2010-11-08 17:58:07 +00:00
Dan Gohman 2cd1fd4a82 Make FunctionAttrs TBAA-aware.
llvm-svn: 118417
2010-11-08 17:12:04 +00:00
Dan Gohman 9130bad71f Extend the AliasAnalysis::pointsToConstantMemory interface to allow it
to optionally look for constant or local (alloca) memory.

Teach BasicAliasAnalysis::pointsToConstantMemory to look through Select
and Phi nodes, and to support looking for local memory.

Remove FunctionAttrs' PointsToLocalOrConstantMemory function, now that
AliasAnalysis knows all the tricks that it knew.

llvm-svn: 118412
2010-11-08 16:45:26 +00:00
Dan Gohman 86449d705a Make FunctionAttrs use AliasAnalysis::getModRefBehavior, now that it
knows about intrinsic functions.

llvm-svn: 118410
2010-11-08 16:10:15 +00:00
Rafael Espindola 9d17a3194e Set default flags for .rodata.
llvm-svn: 118395
2010-11-08 02:47:59 +00:00
Duncan Sands a620bd1fa3 Add simplification of floating point comparisons with the result
of a select instruction, the same as already exists for integer
comparisons.

llvm-svn: 118379
2010-11-07 16:46:25 +00:00
Duncan Sands f532d31198 Fix a README item: when doing a comparison with the result
of a select instruction, see if doing the compare with the
true and false values of the select gives the same result.
If so, that can be used as the value of the comparison.

llvm-svn: 118378
2010-11-07 16:12:23 +00:00
Dale Johannesen 7bcbfe9c80 Testcase for llvm-gcc 118368. 8629268.
llvm-svn: 118369
2010-11-07 04:58:48 +00:00
Rafael Espindola 5665a93bc5 Relax dwarf line fragments. This fixes a crash in the included testcase.
llvm-svn: 118365
2010-11-07 02:07:12 +00:00
Chris Lattner 0530c024b6 implement aliases for div/idiv that have an explicit A register operand,
implementing rdar://8431864

llvm-svn: 118364
2010-11-06 22:41:18 +00:00
Chris Lattner 9654e108d7 add aliases for movs between seg registers and mem. There are multiple
different forms of this instruction (movw/movl/movq) which we reported
as being ambiguous.  Since they all do the same thing, gas just picks the
one with the shortest encoding.  Follow its lead here.

This implements rdar://8208615

llvm-svn: 118362
2010-11-06 22:35:34 +00:00
Chris Lattner ca7801e472 go to great lengths to work around a GAS bug my previous patch
exposed:

GAS doesn't accept "fcomip %st(1)", it requires "fcomip %st(1), %st(0)"
even though st(0) is implicit in all other fp stack instructions.

Fortunately, there is an alias for fcomip named "fcompi" and gas does
accept the default argument for the alias (boggle!).

As such, switch the canonical form of this instruction to "pi" instead
of "ip".  This makes the code generator and disassembler generate pi,
avoiding the gas bug.

llvm-svn: 118356
2010-11-06 21:37:06 +00:00
Chris Lattner 64f91b9825 rework the rotate-by-1 instructions to be defined like the
shift-by-1 instructions, where the asmstring doesn't contain
the implicit 1.  It turns out that a bunch of these rotate
instructions were completely broken because they used 1 
instead of $1.

This fixes assembly mismatches on "rclb	$1, %bl" and friends,
where we used to generate the 3 byte form, we now generate the
proper 2-byte form.

llvm-svn: 118355
2010-11-06 21:23:40 +00:00
Chris Lattner 05031e7f1a change the fp comparison instructions to not have %st0 explicitly
listed in its asm string, for consistency with the other similar
instructions.

llvm-svn: 118354
2010-11-06 20:55:09 +00:00
Chris Lattner fab9413b01 correct suffix matching to search for s/l/t suffixes on
floating point stack instructions instead of looking for b/w/l/q.

This fixes issues where we'd accidentally match fistp to fistpl,
when it is in fact an ambiguous instruction.

This changes the behavior of llvm-mc to reject fstp, which was the
correct fix for rdar://8456389:
t.s:1:1: error: ambiguous instructions require an explicit suffix (could be 'fstps', 'fstpl', or 'fstpt')
fstp	(%rax)

it also causes us to correctly reject fistp and fist, which addresses
PR8528:

t.s:2:1: error: ambiguous instructions require an explicit suffix (could be 'fistps', or 'fistpl')
fistp (%rax)
^
t.s:3:1: error: ambiguous instructions require an explicit suffix (could be 'fists', or 'fistl')
fist (%rax)
^

Thanks to Ismail Donmez for tracking down the issue here!

llvm-svn: 118346
2010-11-06 18:28:02 +00:00
Owen Anderson 30c4892ea5 Add codegen and encoding support for the immediate form of vbic.
llvm-svn: 118291
2010-11-05 19:27:46 +00:00
Duncan Sands 98512315f7 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
Evan Cheng 21acf9fb38 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
Bill Wendling c002463ac4 Add encoding for VSTR.
llvm-svn: 118220
2010-11-04 00:59:42 +00:00
Owen Anderson bc9b31c493 Covert VORRIMM to be produced via early target-specific DAG combining, rather than legalization.
This is both the conceptually correct place for it, as well as allowing it to be more aggressive.

llvm-svn: 118204
2010-11-03 23:15:26 +00:00
Owen Anderson 0747307049 Add support for code generation of the one register with immediate form of vorr.
We could be more aggressive about making this work for a larger range of constants,
but this seems like a good start.

llvm-svn: 118201
2010-11-03 22:44:51 +00:00
Evan Cheng 3ad8df65c5 Fix test.
llvm-svn: 118187
2010-11-03 18:21:33 +00:00
Owen Anderson bb81f80af6 Unlike a lot of NEON instructions, vext isn't _actually_ parameterized by element size. Instead,
all of the different element sizes are pseudo instructions that map down to vext.8 underneath, with
the immediate shifted left to reflect the increased element size.

llvm-svn: 118183
2010-11-03 18:16:27 +00:00
Dale Johannesen c7d82d58b5 This test assumes SSE is present; that is not the default
on non-X86 hosts.  Hopefully fixes ppc-host buildbot.

llvm-svn: 118182
2010-11-03 18:08:41 +00:00
Bob Wilson 7d0ac84abd Add codegen patterns for VST1-lane instructions. Radar 8599955.
llvm-svn: 118176
2010-11-03 16:24:53 +00:00
Bob Wilson ceb49296ef Check for extractelement with a variable operand for the element number.
For NEON we had been assuming this was always an immediate constant.

llvm-svn: 118175
2010-11-03 16:24:50 +00:00
Evan Cheng 8740ee3637 Fix preload instruction isel. Only v7 supports pli, and only v7 with mp extension supports pldw. Add subtarget attribute to denote mp extension support and legalize illegal ones to nothing.
llvm-svn: 118160
2010-11-03 06:34:55 +00:00
Evan Cheng 6f36042557 Add support to match @llvm.prefetch to pld / pldw / pli. rdar://8601536.
llvm-svn: 118152
2010-11-03 05:14:24 +00:00
Bill Wendling e84eb99cbb The MC code couldn't handle ARM LDR instructions with negative offsets:
vldr.64 d1, [r0, #-32]

The problem was with how the addressing mode 5 encodes the offsets. This change
makes sure that the way offsets are handled in addressing mode 5 is consistent
throughout the MC code. It involves re-refactoring the "getAddrModeImmOpValue"
method into an "Imm12" and "addressing mode 5" version. But not to worry! The
majority of the duplicated code has been unified.

llvm-svn: 118144
2010-11-03 01:49:29 +00:00
Dan Gohman 68fb004616 Fix DAGCombiner to avoid going into an infinite loop when it
encounters (and:i64 (shl:i64 (load:i64), 1), 0xffffffff).
This fixes rdar://8606584.

llvm-svn: 118143
2010-11-03 01:47:46 +00:00
Evan Cheng debf9c502a Two sets of changes. Sorry they are intermingled.
1. Fix pre-ra scheduler so it doesn't try to push instructions above calls to
   "optimize for latency". Call instructions don't have the right latency and
   this is more likely to use introduce spills.
2. Fix if-converter cost function. For ARM, it should use instruction latencies,
   not # of micro-ops since multi-latency instructions is completely executed
   even when the predicate is false. Also, some instruction will be "slower"
   when they are predicated due to the register def becoming implicit input.
   rdar://8598427

llvm-svn: 118135
2010-11-03 00:45:17 +00:00
Chris Lattner 11d21e8e78 chase owen.
llvm-svn: 118124
2010-11-02 23:55:24 +00:00
Chris Lattner d0502c1777 tweak this to pass.
llvm-svn: 118122
2010-11-02 23:50:17 +00:00
Chris Lattner daf7a2a7de temporarily xfail this.
llvm-svn: 118120
2010-11-02 23:44:50 +00:00
John Thompson beffa5bef1 Inline asm mult-alt constraint tests.
llvm-svn: 118107
2010-11-02 23:01:44 +00:00
Bill Wendling 603bd8f54c Rename getAddrModeImm12OpValue to getAddrModeImmOpValue and expand it to work
with immediates up to 16-bits in size. The same logic is applied to other LDR
encodings, e.g. VLDR, but which use a different immediate bit width (8-bits in
VLDR's case). Removing the "12" allows it to be more generic.

llvm-svn: 118094
2010-11-02 22:31:46 +00:00
Owen Anderson dec87e10fd Provide correct encodings for the remaining vst variants that we currently generate.
llvm-svn: 118087
2010-11-02 22:18:18 +00:00
Owen Anderson b95618cfe0 Add correct encodings for basic variants for vst3 and vst4.
llvm-svn: 118082
2010-11-02 21:47:03 +00:00
Owen Anderson fa08e1e277 Add correct encodings for the basic variants for vst2.
llvm-svn: 118068
2010-11-02 21:16:58 +00:00
Owen Anderson 87c62e54e6 Add correct encodings for the basic form of vst1.
llvm-svn: 118067
2010-11-02 21:06:06 +00:00
Owen Anderson a83859539f Add correct encodings for the rest of the vld instructions that we generate.
llvm-svn: 118053
2010-11-02 20:40:59 +00:00
Jim Grosbach 0b7fda23cc Revert r114340 (improvements in Darwin function prologue/epilogue), as it broke
assumptions about stack layout. Specifically, LR must be saved next to FP.

llvm-svn: 118026
2010-11-02 17:35:25 +00:00
Rafael Espindola 5e874982f2 Add support for expressions in .sleb/.uleb directives.
llvm-svn: 118023
2010-11-02 17:22:24 +00:00
Devang Patel 94f2a2578c Use frameindex, if available, as a last resort to emit debug info for a parameter.
llvm-svn: 118020
2010-11-02 17:01:30 +00:00
Owen Anderson 526ffd57d2 Add correct NEON encodings for vld2, vld3, and vld4 basic variants.
llvm-svn: 117997
2010-11-02 01:24:55 +00:00
Owen Anderson ad40234eff Add correct NEON encodings for the "multiple single elements" form of vld.
llvm-svn: 117984
2010-11-02 00:05:05 +00:00
Bob Wilson dd9fbaa9c0 Add support for alignment operands on VLD1-lane instructions.
This is another part of the fix for Radar 8599955.

llvm-svn: 117976
2010-11-01 23:40:51 +00:00
Bob Wilson 7e57573844 Add VLD1-lane testcases for quad-register types.
llvm-svn: 117975
2010-11-01 23:40:46 +00:00
Bob Wilson dc44990c7d Add NEON VLD1-lane instructions. Partial fix for Radar 8599955.
llvm-svn: 117964
2010-11-01 22:04:05 +00:00
Bill Wendling 793af5fa07 Use ARM-style comments.
llvm-svn: 117955
2010-11-01 21:16:39 +00:00
Owen Anderson 6186c96765 When folding away a (shl (shr)) pair, we need to check that the bits that will BECOME the low
bits are zero, not that the current low bits are zero.  Fixes <rdar://problem/8606771>.

llvm-svn: 117953
2010-11-01 21:08:20 +00:00
Bill Wendling c6627eec13 When we look at instructions to convert to setting the 's' flag, we need to look
at more than those which define CPSR. You can have this situation:

(1)  subs  ...
(2)  sub   r6, r5, r4
(3)  movge ...
(4)  cmp   r6, 0
(5)  movge ...

We cannot convert (2) to "subs" because (3) is using the CPSR set by
(1). There's an analogous situation here:

(1)  sub   r1, r2, r3
(2)  sub   r4, r5, r6
(3)  cmp   r4, ...
(5)  movge ...
(6)  cmp   r1, ...
(7)  movge ...

We cannot convert (1) to "subs" because of the intervening use of CPSR.

llvm-svn: 117950
2010-11-01 20:41:43 +00:00
Owen Anderson cd9da22f68 Use ARM-style comment syntax.
llvm-svn: 117941
2010-11-01 18:33:37 +00:00
Bob Wilson 44be217af1 NEON does not support truncating vector stores. Radar 8598391.
llvm-svn: 117940
2010-11-01 18:31:39 +00:00
Owen Anderson 083ddf7d6a Covert this test to .s form.
llvm-svn: 117939
2010-11-01 18:30:39 +00:00
Owen Anderson a7d985738c Convert this test to .s form.
llvm-svn: 117938
2010-11-01 18:26:43 +00:00
Owen Anderson e5271a935a Covert this test to .s form.
llvm-svn: 117937
2010-11-01 18:13:11 +00:00
Owen Anderson 051b7893dd Covert this test to .s form.
llvm-svn: 117935
2010-11-01 18:03:16 +00:00
Rafael Espindola 55ebc962ab Fix test.
llvm-svn: 117932
2010-11-01 17:10:53 +00:00
Rafael Espindola 13ddd6d410 Write the line info to .debug_line.
llvm-svn: 117930
2010-11-01 17:07:14 +00:00
Jim Grosbach 0190a649e8 Mark ARM subtarget features that are available for the assembler.
llvm-svn: 117929
2010-11-01 16:59:54 +00:00
Rafael Espindola 144fb8af58 Add support for .value.
llvm-svn: 117922
2010-11-01 15:29:07 +00:00
Rafael Espindola 1614597873 Implement .weakref.
llvm-svn: 117911
2010-11-01 14:28:48 +00:00
Bill Wendling 359dd0c6bd More tests to XFAIL. The arm-and-txt-peephole.ll test passes even when the
peephole optimizer is disabled. That's not good at all.

llvm-svn: 117905
2010-11-01 05:59:43 +00:00
Bill Wendling cd4750cb4d Disable because peephole is disabled.
llvm-svn: 117903
2010-11-01 05:48:44 +00:00
Chris Lattner 1acd6b1edc "mov[zs]x (mem), GR16" are not ambiguous: the mem
must be 8 bits.  Support this memory form.

llvm-svn: 117902
2010-11-01 05:41:10 +00:00
Chris Lattner dd3b09c234 Implement enough of the missing instalias support to get
aliases installed and working.  They now work when the
matched pattern and the result instruction have exactly
the same operand list.

This is now enough for us to define proper aliases for
movzx and movsx, implementing rdar://8017633 and PR7459.

Note that we do not accept instructions like:
  movzx 0(%rsp), %rsi

GAS accepts this instruction, but it doesn't make any
sense because we don't know the size of the memory
operand.  It could be 8/16/32 bits.

llvm-svn: 117901
2010-11-01 05:34:34 +00:00
Owen Anderson fccb9d032f Convert this test to .s form.
llvm-svn: 117900
2010-11-01 05:23:58 +00:00
Chris Lattner 178f4bb62d make the asm matcher emitter reject instructions that have comments
in their asmstring.  Fix the two x86 "NOREX" instructions that have them.
If these comments are important, the instlowering stuff can print them.

llvm-svn: 117897
2010-11-01 04:44:29 +00:00
Chris Lattner 4d9f157203 fix an encoding mismatch where "sal %eax, 1" was not using the short encoding
for shl.  Caught by inspection.

llvm-svn: 117820
2010-10-30 18:13:10 +00:00
Chris Lattner e490b5c29e add a test for the ud2a alias.
llvm-svn: 117803
2010-10-30 17:01:25 +00:00
Duncan Sands b8f3b14dfb If a function does a volatile load from a global constant, do not
consider it to be readonly.  In fact, don't even consider it to be
readonly if it does a volatile load from an AllocaInst either (it
is debatable as to whether readonly would be correct or not in this
case; play safe for the moment).  This fixes PR8279.

llvm-svn: 117783
2010-10-30 12:59:44 +00:00
Bob Wilson 7ed597149b Overhaul memory barriers in the ARM backend. Radar 8601999.
There were a number of issues to fix up here:
* The "device" argument of the llvm.memory.barrier intrinsic should be
used to distinguish the "Full System" domain from the "Inner Shareable"
domain.  It has nothing to do with using DMB vs. DSB instructions.
* The compiler should never need to emit DSB instructions.  Remove the
ARMISD::SYNCBARRIER node and also remove the instruction patterns for DSB.
* Merge the separate DMB/DSB instructions for options only used for the
disassembler with the default DMB/DSB instructions.  Add the default
"full system" option ARM_MB::SY to the ARM_MB::MemBOpt enum.
* Add a separate ARMISD::MEMBARRIER_MCR node for subtargets that implement
a data memory barrier using the MCR instruction.
* Fix up encodings for these instructions (except MCR).
I also updated the tests and added a few new ones to check for DMB options
that were not currently being exercised.

llvm-svn: 117756
2010-10-30 00:54:37 +00:00
Bill Wendling 193961bb1a Some instructions end with an "ls" prefix, but it doesn't indicate that they are
conditional. Check for those instructions explicitly.

llvm-svn: 117747
2010-10-29 23:50:21 +00:00
Evan Cheng 2b3f25e031 Teach machine cse to eliminate instructions with multiple physreg uses and defs. rdar://8610857.
llvm-svn: 117745
2010-10-29 23:36:03 +00:00
Rafael Espindola 45834a0065 Be more strict on when we produce an undefined reference. In gas a file with
just

.type   foo,@object

will produce an undefined reference to foo. On the other hand, a file with
just

.weakref bar, foo

will not. It is somewhat hard to support both in MC since both statements
should create the symbols. It should be possible if we really need to by
adding to the flags, but hopefully that is not necessary.

With this patch we do not produce a undefined reference in any of those cases.
The assembly file needs an actual use for the undefined reference to be
present.

This is in preparation for a patch implementing .weakref.

llvm-svn: 117735
2010-10-29 23:09:31 +00:00
Bob Wilson 11ee456e23 Change instcombine's getShuffleMask to represent undef with negative values.
This code had previously used 2*N, where N is the mask length, to represent
undef.  That is not safe because the shufflevector operands may have more
than N elements -- they don't have to match the result type.

llvm-svn: 117721
2010-10-29 22:03:05 +00:00
Bob Wilson 08882be86c Remove DAG combiner patch to fold vector splats. Instcombiner does it now.
llvm-svn: 117720
2010-10-29 22:03:02 +00:00
Bob Wilson cb11b48e7a Make instcombine a little more aggressive in combining vector shuffles.
Allow splats even if they don't match either of the original shuffles,
possibly due to undef entries in the shuffles masks.  Radar 8597790.
Also fix some 80-column violations.

llvm-svn: 117719
2010-10-29 22:02:50 +00:00
Owen Anderson 8e7b73743d Update testcase since we're no longer doing the constant forwarding inline with correlated value propagation.
llvm-svn: 117712
2010-10-29 21:18:23 +00:00
Owen Anderson 72dfc6a7c7 Convert this test to .s form.
llvm-svn: 117708
2010-10-29 20:39:19 +00:00
Owen Anderson 665b9e37ff Convert this test to .s form.
llvm-svn: 117704
2010-10-29 20:23:45 +00:00
Owen Anderson fe4b52a066 Convert this test to .s form.
llvm-svn: 117699
2010-10-29 20:17:07 +00:00
Owen Anderson 0093f9a634 Convert this test to .s form.
llvm-svn: 117696
2010-10-29 20:12:34 +00:00
Owen Anderson ede9d861db Covert this test to .s form.
llvm-svn: 117694
2010-10-29 19:56:07 +00:00
Owen Anderson 6f9cd06ff9 Convert this test to .s form.
llvm-svn: 117693
2010-10-29 19:51:11 +00:00
Owen Anderson 3ad831ac77 Convert this test to .s form.
llvm-svn: 117690
2010-10-29 19:45:32 +00:00
Owen Anderson 302596e5e1 Convert this test to .s form.
llvm-svn: 117689
2010-10-29 19:37:05 +00:00
Owen Anderson efdf57afdc Convert this test to .s form.
llvm-svn: 117686
2010-10-29 19:17:08 +00:00
Owen Anderson 221b524fe1 Convert this test to .s form.
llvm-svn: 117685
2010-10-29 19:09:08 +00:00
Owen Anderson b916206545 Covert this test to .s form.
llvm-svn: 117684
2010-10-29 19:05:26 +00:00
Owen Anderson 733d1b1a60 Convert this test to .s form.
llvm-svn: 117683
2010-10-29 18:58:30 +00:00
Owen Anderson 7d23a78188 Convert this test to .s form.
llvm-svn: 117682
2010-10-29 18:48:59 +00:00
Owen Anderson 7eed15242d Convert this file to less fragile .s form.
llvm-svn: 117681
2010-10-29 18:41:40 +00:00
Owen Anderson 13ff53e7b6 Replace this test with the less fragile .s version. Still XFAIL'd, since the ASM parser doesn't parse vabal yet.
llvm-svn: 117679
2010-10-29 18:31:26 +00:00
Owen Anderson 66aa87021c Covert this test to a .s file to reduce fragility.
llvm-svn: 117676
2010-10-29 18:18:40 +00:00
Evan Cheng 6c1414f9c2 Avoiding overly aggressive latency scheduling. If the two nodes share an
operand and one of them has a single use that is a live out copy, favor the
one that is live out. Otherwise it will be difficult to eliminate the copy
if the instruction is a loop induction variable update. e.g.

BB:
sub r1, r3, #1
str r0, [r2, r3]
mov r3, r1
cmp
bne BB

=>

BB:
str r0, [r2, r3]
sub r3, r3, #1
cmp
bne BB

This fixed the recent 256.bzip2 regression.

llvm-svn: 117675
2010-10-29 18:09:28 +00:00
NAKAMURA Takumi 821de3d161 test/Scripts/macho-dump: Make hack for Python-2.4. [PR7995]
With Python-2.4, Reader::read64 always returns (unexpected) long integer.
FileCheck detects failure on test/MC/MachO among '0' and '0L'.

CentOS5(aka RHEL5 clone) provides python-2.4.

llvm-svn: 117637
2010-10-29 01:14:16 +00:00
Dan Gohman 15a43965ac Teach memdep to use pointsToConstantMemory to determine that loads
from constant memory don't alias any stores.

llvm-svn: 117636
2010-10-29 01:14:04 +00:00
Owen Anderson b101af04b4 Convert this test to a .s file, so that it's not sensitive to codegen changes.
llvm-svn: 117633
2010-10-29 01:01:56 +00:00
Dan Gohman c16d9afe04 Add a basic testcase for TBAA-aware DSE.
llvm-svn: 117632
2010-10-29 00:54:02 +00:00
Chris Lattner 5d6f6a061b add simple support for addrmode5 operands, allowing
vldr.64 to work.  I have no idea if this is fully right, but 
it is in the right direction.

llvm-svn: 117626
2010-10-29 00:27:31 +00:00
Andrew Trick fc1b990b1d The ARM jit cannot handle these tests as of 2010-10-27.
(A PR will be linked to this rev.)

llvm-svn: 117620
2010-10-29 00:23:43 +00:00
Rafael Espindola 8aefb66376 Improvements to .section parsing:
* If we have a M or a G, reject sections without the type
* Only parse the flag specific arguments if we have M or G
* Parse the corresponding arguments for M and G

We ignore the G arguments and flag for now.

llvm-svn: 117608
2010-10-28 21:33:33 +00:00
Chris Lattner 327a61423b most simple arm instructions match correctly now,
it looks like we're not handling [] operands though

llvm-svn: 117607
2010-10-28 21:31:07 +00:00
Chris Lattner 1be0697ab9 fix the asmmatcher generator to handle targets with no RegisterPrefix
(like ARM) correctly.  With this change, we can now match "bx lr"
because we recognize lr as a register.

llvm-svn: 117606
2010-10-28 21:28:42 +00:00
Rafael Espindola 63760ba38e Add support for the .string directive.
llvm-svn: 117592
2010-10-28 20:02:27 +00:00
Rafael Espindola 3c5a54e4b9 Defined weak symbols should have non-zero value.
llvm-svn: 117585
2010-10-28 19:39:57 +00:00
Rafael Espindola 29f70afbae Fix relocations with renamed symbols.
llvm-svn: 117575
2010-10-28 19:08:03 +00:00
Rafael Espindola 6cd76e63f8 Aliases defined with .symver should copy the binding of the symbols they alias.
Move the existing patching for undefined symbols so that all the patching
is done in the same function.

llvm-svn: 117570
2010-10-28 18:33:03 +00:00
Bob Wilson f63da12be9 Teach the DAG combiner to fold a splat of a splat. Radar 8597790.
Also do some minor refactoring to reduce indentation.

llvm-svn: 117558
2010-10-28 17:06:14 +00:00
Roman Divacky fdac6365ab Implement .equ directive as a synonym to .set.
llvm-svn: 117553
2010-10-28 16:22:58 +00:00
Duncan Sands efb139130f Testcase for PR8494 (invalid bitcode crashing the bitcode reader).
llvm-svn: 117552
2010-10-28 15:57:30 +00:00
Rafael Espindola 936ba3af28 Implement R_X86_64_DTPOFF32.
llvm-svn: 117548
2010-10-28 15:11:03 +00:00
Rafael Espindola 2dbec3f762 Implement TLSLD.
llvm-svn: 117547
2010-10-28 15:02:40 +00:00
Rafael Espindola e8f08be11c Implement DTPOFF.
llvm-svn: 117546
2010-10-28 14:48:59 +00:00
Rafael Espindola 6f23eb380d Implement TLSLDM.
llvm-svn: 117544
2010-10-28 14:37:09 +00:00
Rafael Espindola b3b49bbc39 Implement VK_GOTNTPOFF and switch RelocNeedsGOT to use VariantKind.
llvm-svn: 117543
2010-10-28 14:22:44 +00:00
Evan Cheng ff310737e5 Re-commit 117518 and 117519 now that ARM MC test failures are out of the way.
llvm-svn: 117531
2010-10-28 06:47:08 +00:00
Evan Cheng 0165e25564 Disable most of the ARM vfp / NEON MC tests. These are too fragile to be useful.
I'll work with Jim, Owen, and Bill on an alternative testing strategy until
the assembly parser is available.

llvm-svn: 117530
2010-10-28 06:46:17 +00:00
NAKAMURA Takumi 959807fa37 test/Transforms/SimplifyLibCalls/floor.ll: Mark as XFAIL:win32 due to lack of nearbyintf on MSVC. [PR8466]
llvm-svn: 117529
2010-10-28 06:46:04 +00:00
Evan Cheng e2c211c1b9 Revert 117518 and 117519 for now. They changed scheduling and cause MC tests to fail. Ugh.
llvm-svn: 117520
2010-10-28 02:00:25 +00:00
Evan Cheng ff1c862f8e - Assign load / store with shifter op address modes the right itinerary classes.
- For now, loads of [r, r] addressing mode is the same as the
  [r, r lsl/lsr/asr #] variants. ARMBaseInstrInfo::getOperandLatency() should
  identify the former case and reduce the output latency by 1.
- Also identify [r, r << 2] case. This special form of shifter addressing mode
  is "free".

llvm-svn: 117519
2010-10-28 01:49:06 +00:00
Dale Johannesen 9c3f6bf2bf Fix pastos in handling of AVX cvttsd2si, PR8491.
Bruno, please review, but I'm pretty sure this is right.
Patch by Alex Mac!

llvm-svn: 117514
2010-10-28 00:35:54 +00:00
Owen Anderson 2ef668840a Add correct NEON encodings for vtbl and vtbx.
llvm-svn: 117513
2010-10-28 00:18:46 +00:00
Owen Anderson 14be930317 Add correct NEON encodings for vext, vtrn, vuzp, and vzip.
llvm-svn: 117512
2010-10-27 23:56:39 +00:00
Dale Johannesen 16bb87a90e Teach InstCombine not to use Add and Neg on FP. PR 8490.
llvm-svn: 117510
2010-10-27 23:45:18 +00:00
Evan Cheng 59bbc545e0 Shifter ops are not always free. Do not fold them (especially to form
complex load / store addressing mode) when they have higher cost and
when they have more than one use.

llvm-svn: 117509
2010-10-27 23:41:30 +00:00
Owen Anderson 9f371e7efa Tests for NEON encoding of vrev.
llvm-svn: 117502
2010-10-27 22:54:49 +00:00
Owen Anderson fadb951e5b Provide correct encodings for NEON vcvt, which has its own special immediate encoding
for specifying fractional bits for fixed point conversions.

llvm-svn: 117501
2010-10-27 22:49:00 +00:00
Owen Anderson ed9652f959 Provide correct encodings for the get_lane and set_lane variants of vmov.
llvm-svn: 117495
2010-10-27 21:28:09 +00:00
Rafael Espindola f8537165bd Add support for R_386_TLS_GD, R_386_TLS_LE_32, R_386_TLS_IE and R_386_TLS_LE.
llvm-svn: 117494
2010-10-27 21:23:52 +00:00
Kevin Enderby 5e7cb5fc27 Added the x86 instruction ud2b (2nd official undefined instruction).
llvm-svn: 117485
2010-10-27 20:46:49 +00:00
Bob Wilson c7334a146e SelectionDAG shuffle nodes do not allow operands with different numbers of
elements than the result vector type.  So, when an instruction like:

%8 = shufflevector <2 x float> %4, <2 x float> %7, <4 x i32> <i32 1, i32 0, i32 3, i32 2>

is translated to a DAG, each operand is changed to a concat_vectors node that appends 2 undef elements.  That is:

shuffle [a,b], [c,d] is changed to:
shuffle [a,b,u,u], [c,d,u,u]

That's probably the right thing for x86 but for NEON, we'd much rather have:

shuffle [a,b,c,d], undef

Teach the DAG combiner how to do that transformation for ARM.  Radar 8597007.

llvm-svn: 117482
2010-10-27 20:38:28 +00:00
Rafael Espindola 24c8b04d5f Implement R_X86_64_GOTTPOFF, R_X86_64_TLSGD and R_X86_64_TPOFF32.
llvm-svn: 117481
2010-10-27 20:28:07 +00:00
Owen Anderson 40d24a4abf Provide correct NEON encodings for vdup.
llvm-svn: 117475
2010-10-27 19:25:54 +00:00
Rafael Espindola 095fa9e5cc Set default type and flags for .init and .fini.
llvm-svn: 117471
2010-10-27 18:45:20 +00:00
Owen Anderson fbdeab911a Tests for NEON encoding of vmovl, vmovn, vqmovn, and vqmovun.
llvm-svn: 117469
2010-10-27 18:17:12 +00:00
Owen Anderson 5fa98baef7 Tests for NEON encoding of vcls, vclz, and vcnt.
llvm-svn: 117466
2010-10-27 18:05:25 +00:00
Owen Anderson 6b5af599c0 Tests for NEON encoding of vneg and vqneg.
llvm-svn: 117463
2010-10-27 17:57:26 +00:00
Rafael Espindola 26496e6835 Produce an error for an invalid use of .symver.
llvm-svn: 117462
2010-10-27 17:56:18 +00:00
Owen Anderson 1e5eb98ed8 Tests for NEON encoding of vabs and vqabs.
llvm-svn: 117460
2010-10-27 17:50:07 +00:00
Owen Anderson 8576a42cf3 Add correct NEON encodings for vsli and vsri.
llvm-svn: 117459
2010-10-27 17:40:08 +00:00
Owen Anderson d7e8135e1e Add correct NEON encodings for vsra and vrsra.
llvm-svn: 117458
2010-10-27 17:29:29 +00:00
Rafael Espindola cc1b168ef6 Symbols defined as the difference of other two end up in the ABS section.
llvm-svn: 117451
2010-10-27 16:04:30 +00:00
Rafael Espindola eb0c2c170d Add support for the .symver directive. This is really ugly, but most of it is
contained in the ELF object writer.

llvm-svn: 117448
2010-10-27 15:18:17 +00:00
Kevin Enderby 9ad2166899 Yet another tweak to X86 instructions to add ud2a as an alias to ud2
(still to add ud2b).

llvm-svn: 117435
2010-10-27 03:01:02 +00:00
Kevin Enderby 20b021c970 Another tweak to X86 instructions to add the missing flex instruction (without
the wait prefix).

llvm-svn: 117434
2010-10-27 02:53:04 +00:00
Kevin Enderby a1917c7555 Tweaks to X86 instructions to allow the 'w' suffix in places it makes
sense, when the instruction takes the 16-bit ax register or m16 memory
location.  These changes to llvm-mc matches what the darwin assembler
allows for these instructions.  Done differently than in r117031 that
caused a valgrind error which was later reverted.

llvm-svn: 117433
2010-10-27 02:32:19 +00:00
Kevin Enderby ba985d9dd5 Added some aliases to the fcomip and fucompi Intel instructions. So that llvm-mc
will accept versions that the darwin assembler allows.  Forms ending in "pi" and
forms without all the operands.

llvm-svn: 117427
2010-10-27 00:59:28 +00:00
Owen Anderson 825b2d1946 Add correct NEON encodings for vqshl, vqshrn, vqshrun, vqrshl, vqshrn, and vqrshrun.
llvm-svn: 117411
2010-10-26 22:50:46 +00:00
Owen Anderson 2888e2c7f9 Correct NEON encodings for vshrn, vrshl, vrshr, vrshrn.
llvm-svn: 117402
2010-10-26 21:58:41 +00:00
Jim Grosbach 3fe94f1e9f FileCheck'ize
llvm-svn: 117401
2010-10-26 21:26:47 +00:00
Owen Anderson c4126a1a2c Add tests for NEON encoding of vshll.
llvm-svn: 117399
2010-10-26 21:21:47 +00:00
Owen Anderson 0fbb20769f Tests for NEON encoding of vshr.
llvm-svn: 117396
2010-10-26 21:08:42 +00:00
Owen Anderson 3665fee8de Provide correct NEON encodings for vshl, register and immediate forms.
llvm-svn: 117394
2010-10-26 20:56:57 +00:00
Rafael Espindola c9fb35e73b Add support for .ident.
llvm-svn: 117389
2010-10-26 19:35:47 +00:00
Owen Anderson db192ba90f Tests for NEON encoding of vrecpe, vrecps, vrsqrte, and vsqrts.
llvm-svn: 117385
2010-10-26 18:43:13 +00:00
Owen Anderson b3bcf529fc Tests for NEON encodings of vpmin and vpmax.
llvm-svn: 117382
2010-10-26 18:31:47 +00:00
Owen Anderson 691ce68d3c Add correct NEON encoding for vpadal.
llvm-svn: 117380
2010-10-26 18:18:03 +00:00
Owen Anderson 035b3261ee Tests for NEON encoding of vpadd and vpaddl.
llvm-svn: 117377
2010-10-26 18:04:51 +00:00
Owen Anderson 284cb361d1 Add NEON encodings for vmov and vmvn of immediates.
llvm-svn: 117374
2010-10-26 17:40:54 +00:00
Rafael Espindola e8ae98817a 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
Kalle Raiskila a49d062234 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
Bob Wilson e1961fe289 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
Owen Anderson c0f777afbf Tests for NEON encoding of vmax.
llvm-svn: 117327
2010-10-25 23:45:34 +00:00
Owen Anderson 144c3f8c6a Tests for NEON encoding of vmin.
llvm-svn: 117326
2010-10-25 23:35:36 +00:00
Dale Johannesen ec57ac1c3c An stdcall function calling a non-stdcall function
cannot use tailcall.  PR 8461.

llvm-svn: 117322
2010-10-25 22:17:05 +00:00
Owen Anderson 1f6aad053d Add correct encodings for NEON vabal.
llvm-svn: 117315
2010-10-25 21:29:04 +00:00
Owen Anderson b9c91679aa Add correct NEON encodings for vaba.
llvm-svn: 117309
2010-10-25 20:52:57 +00:00
Owen Anderson 12214ddaa3 Tests for NEON encoding of vabdl.
llvm-svn: 117303
2010-10-25 20:36:28 +00:00
Owen Anderson 64aa05f865 Add tests for NEON encoding of vabd.
llvm-svn: 117302
2010-10-25 20:29:27 +00:00
Daniel Dunbar b3a48f3459 MC/AsmParser: Fix relative precedence of {+,-} and comparison ops.
llvm-svn: 117299
2010-10-25 20:18:56 +00:00
Daniel Dunbar 7484d2cbec MC/AsmLexer: Fix bug in source location for Slash token.
llvm-svn: 117298
2010-10-25 20:18:53 +00:00
Daniel Dunbar 95db1cc022 tweak test.
llvm-svn: 117297
2010-10-25 20:18:49 +00:00
Daniel Dunbar 0c193ca626 MC/AsmParser: Rewrite test to actually check some parts of expression parsing,
now that we have macros and friends. Uncovered a bug in macro expansion...

llvm-svn: 117295
2010-10-25 20:18:41 +00:00
Owen Anderson dd001b89d7 Attempt to provide correct encodings for NEON vbit and vbif, even though we can't test them at the moment.
llvm-svn: 117294
2010-10-25 20:17:22 +00:00
Owen Anderson dea09c7564 Provide correct NEON encodings for vbsl.
llvm-svn: 117293
2010-10-25 20:13:13 +00:00
Owen Anderson 2477446ee5 Add correct instruction encodings for vbic, vorn, and vmvn.
llvm-svn: 117282
2010-10-25 18:43:52 +00:00
Owen Anderson dff239c5f9 Provide correct NEON encodings for vand, veor, and vorr.
llvm-svn: 117279
2010-10-25 18:28:30 +00:00
Owen Anderson d9cdda9ddc Add tests for NEON encoding of vtst.
llvm-svn: 117277
2010-10-25 18:10:34 +00:00
Owen Anderson feb3ee0c93 Add NEON encoding tests for vcgt and vacgt.
llvm-svn: 117276
2010-10-25 18:03:59 +00:00
Rafael Espindola 0ed1543d4e Add support for emitting ARM file attributes.
llvm-svn: 117275
2010-10-25 17:50:35 +00:00
Owen Anderson e5d0677173 Add tests for NEON encodings of vcge and vacge.
llvm-svn: 117274
2010-10-25 17:49:32 +00:00
Owen Anderson c178b80f65 Add a warning about our inability to test the encoding of vceq with immediate zero.
llvm-svn: 117273
2010-10-25 17:33:02 +00:00
Owen Anderson 02917f5b1b Add tests for NEON encoding of vceq.
llvm-svn: 117270
2010-10-25 17:20:26 +00:00
Owen Anderson a9ad6c0645 Add tests for NEON encoding of vsubhn and vrsubhn.
llvm-svn: 117269
2010-10-25 17:12:46 +00:00
Dan Gohman 2e20dfb0f2 Fix a case where instcombine was stripping metadata (and alignment)
from stores when folding in bitcasts.

llvm-svn: 117265
2010-10-25 16:16:27 +00:00
Duncan Sands 31c803b2ba Fix PR8445: a block with no predecessors may be the entry block, in which case
it isn't unreachable and should not be zapped.  The check for the entry block
was missing in one case: a block containing a unwind instruction.  While there,
do some small cleanups: "M" is not a great name for a Function* (it would be
more appropriate for a Module*), change it to "Fn"; use Fn in more places.

llvm-svn: 117224
2010-10-24 12:23:30 +00:00
Owen Anderson 358900d569 Add tests for NEON encoding of vqsub.
llvm-svn: 117214
2010-10-23 18:02:16 +00:00
Michael J. Spencer aa19ee17c0 X86: Emit _fltused instead of __fltused on Windows x64.
llvm-svn: 117205
2010-10-23 09:06:59 +00:00
Mikhail Glushenkov f4a6809231 Remove -llvmc-temp-hack from tblgen.
llvm-svn: 117197
2010-10-23 07:32:53 +00:00
Owen Anderson 92644efaf8 Add tests for NEON encoding of vhsub.
llvm-svn: 117189
2010-10-22 23:58:22 +00:00
Jim Grosbach 0ce06c08fb Add a CMP test.
llvm-svn: 117187
2010-10-22 23:48:01 +00:00
Owen Anderson f4e1a09d38 Add tests for NEON encoding of vsubw.
llvm-svn: 117186
2010-10-22 23:46:07 +00:00
Jim Grosbach 4663dc72e2 tidy up
llvm-svn: 117185
2010-10-22 23:46:04 +00:00
Owen Anderson 9ef5c507ce Add tests for NEON encoding of vsubl.
llvm-svn: 117183
2010-10-22 23:36:36 +00:00
Owen Anderson c372775cc8 Add tests for NEON encoding of vsub.
llvm-svn: 117177
2010-10-22 23:21:04 +00:00
Owen Anderson cb5c1b75fe Add tests for NEON encoding of vqdmlsl.
llvm-svn: 117173
2010-10-22 23:08:47 +00:00
Owen Anderson d655a80774 Add tests for NEON encoding of vmlsl.
llvm-svn: 117171
2010-10-22 23:02:27 +00:00
Jim Grosbach b40a60fa2f tidy up.
llvm-svn: 117166
2010-10-22 22:15:48 +00:00
Jim Grosbach 2c9ae05c67 ARM mode encoding information for CLZ, RBIT, REV*, and PKH*.
llvm-svn: 117165
2010-10-22 22:12:16 +00:00
Jim Grosbach 3565b0a2e2 Remove duplicate test.
llvm-svn: 117158
2010-10-22 22:04:28 +00:00
Jim Grosbach 6d993fa1a6 tidy up.
llvm-svn: 117157
2010-10-22 22:01:56 +00:00
Jim Grosbach db7415075d FileCheck-ize a few tests.
llvm-svn: 117156
2010-10-22 21:55:03 +00:00
Bob Wilson a4e231c880 Teach instcombine to set the alignment arguments for NEON load/store intrinsics.
llvm-svn: 117154
2010-10-22 21:41:48 +00:00
Owen Anderson 3c4f72c9f8 Add tests for the correct encoding of NEON vmls.
llvm-svn: 117145
2010-10-22 20:31:24 +00:00
Owen Anderson 9d0122af7d Add correct NEON encodings for vqdmlal.
llvm-svn: 117134
2010-10-22 19:35:48 +00:00
Jim Grosbach 2b80543fc2 Add the encoding information for the rest of the ARM mode multiply instructions.
llvm-svn: 117133
2010-10-22 19:15:30 +00:00
Owen Anderson 3d0264667f Provide correct encodings for NEON vmlal.
llvm-svn: 117131
2010-10-22 19:05:25 +00:00
Owen Anderson f48719f1b5 Provide correct NEON encodings for vmla.
llvm-svn: 117126
2010-10-22 18:54:37 +00:00
Stuart Hastings a8c4143bf6 Temporarily revert r117079; it broke a tester. Radar 6635085.
llvm-svn: 117122
2010-10-22 18:44:22 +00:00
Jim Grosbach 6956a60563 More ARM multiply instuction binary encodings.
llvm-svn: 117121
2010-10-22 18:35:16 +00:00
Owen Anderson f6659997a1 Add testscases for encoding of NEON vdqmull.
llvm-svn: 117115
2010-10-22 17:57:37 +00:00
Jim Grosbach 22261600a8 More ARM multiply instruction encoding information.
llvm-svn: 117108
2010-10-22 17:16:17 +00:00
NAKAMURA Takumi c7e0dcf13f test/Makefile: Force lit -j1 on Cygwin.
lit -jN causes crash on Cygwin's python.

llvm-svn: 117093
2010-10-22 09:40:37 +00:00
Andrew Trick edd006c1c3 Reverting r117031 to cleanup valgrind errors.
It doesn't look like anything is wrong with the checkin,
but the new test cases expose a mem bug in AsmParser.

llvm-svn: 117087
2010-10-22 03:58:29 +00:00
Sean Callanan 9f6c622f88 Fixed handling of immediate operand sizes, which
weren't properly reflecting the OperandSize attribute
of the instruction leading to improper decoding of
certain instructions with the 66H prefix.  Also added
a test case for this.

llvm-svn: 117084
2010-10-22 01:24:11 +00:00
Stuart Hastings cdc55bc680 Test case for r117075. Radar 6635085.
llvm-svn: 117079
2010-10-21 22:43:32 +00:00
Owen Anderson 28418de7ee Add tests for NEON encoding of vmull.
llvm-svn: 117077
2010-10-21 22:19:53 +00:00
Jim Grosbach a97becfaac ARM binary encodings for MVN variants.
llvm-svn: 117076
2010-10-21 22:19:32 +00:00
Owen Anderson 22c940c9ab Add tests for NEON encoding of vqdmulh and vqrdmulh.
llvm-svn: 117074
2010-10-21 22:05:33 +00:00
Jim Grosbach 5edb03ee57 ARM Binary encoding information for BFC/BFI instructions.
llvm-svn: 117072
2010-10-21 22:03:21 +00:00
Owen Anderson eff79f13a6 Add tests for NEON vmul encoding.
llvm-svn: 117069
2010-10-21 21:51:58 +00:00
Owen Anderson 6e1cf114f9 Rename this test to better reflect its contents.
llvm-svn: 117067
2010-10-21 21:40:15 +00:00
Owen Anderson c47913acd2 Add tests for NEON encodings of vaddhn and vraddhn.
llvm-svn: 117064
2010-10-21 20:56:57 +00:00
Owen Anderson d8be664273 Add tests for NEON encodings of vqadd, which was already correctly encoded.
llvm-svn: 117059
2010-10-21 20:42:04 +00:00
Owen Anderson 6b7e401049 Add correct NEON encodings for vhadd and vrhadd.
llvm-svn: 117047
2010-10-21 18:55:04 +00:00
Owen Anderson 9561084188 Add correct encodings for NEON vaddw.s* and vaddw.u*.
llvm-svn: 117040
2010-10-21 18:20:25 +00:00
Owen Anderson 15c97706e8 Provide correct NEON encodings for vaddl.u* and vaddl.s*.
llvm-svn: 117039
2010-10-21 18:09:17 +00:00
Rafael Espindola 8ba86f801d Do not recurse into symbol refs that have a variant kind. This prevents us
from losing the variant when producing a relocation on an alias.

llvm-svn: 117037
2010-10-21 18:00:20 +00:00
Kevin Enderby 0138a05557 More tweaks to X86 instructions to allow the 'w' suffix in places it makes
sense, when the instruction takes the 16-bit ax register or m16 memory
location.  These changes to llvm-mc matches what the darwin assembler allows
for these instructions.  Also added the missing flex (without the wait prefix)
and ud2a as an alias to ud2 (still to add ud2b).

llvm-svn: 117031
2010-10-21 17:16:46 +00:00
Bill Wendling 2a7d269a2b Fix whitespace.
llvm-svn: 117002
2010-10-21 06:25:08 +00:00
Wesley Peck c16f77fb27 Recommit 116986 with capitalization typo fixed.
llvm-svn: 116993
2010-10-21 03:57:26 +00:00
Andrew Trick f4ebec03e0 putback r116983 and fix simple-fp-encoding.ll tests
llvm-svn: 116992
2010-10-21 03:40:16 +00:00
Wesley Peck 078db00f1d Reverting the commit 116986. It was breaking the build on llvm-x86_64-linux though it
compiles on OS X. I'll ensure that it builds on a linux machine before committing
again.

llvm-svn: 116991
2010-10-21 03:34:22 +00:00
Owen Anderson 9e00f27e14 Revert r116983, which is breaking all the buildbots.
llvm-svn: 116987
2010-10-21 03:11:16 +00:00
Wesley Peck f608ac4db9 Major update of the MicroBlaze backend. The new features are:
1. A delay slot filler that searches for valid instructions
       to fill the delay slot with. Previously NOPs would always
       be inserted into delay slots.
    2. Support for MC based instruction printer added.
    3. Support for MC based machine code generation and ELF
       file generation. ELF file generation does not yet
       completely work as much of the ELF support infrastructure
       is still x86/x86-64 specific.
    4. General clean up of the MBlaze backend code. Much of the
       tablegen code has been cleanup and simplified.

Bug Fixes:
    1. Removed duplicate periods from subtarget feature descriptions.
    2. Many of the instructions had bad machine code information
       in the tablegen files. Much of this has been fixed.

llvm-svn: 116986
2010-10-21 03:09:55 +00:00
Evan Cheng 15c2ac90ec Add missing scheduling itineraries for transfers between core registers and VFP registers.
llvm-svn: 116983
2010-10-21 01:12:00 +00:00
Owen Anderson 6083502848 Implement correct encodings for NEON vadd, both integer and floating point.
llvm-svn: 116981
2010-10-21 00:48:00 +00:00
Bill Wendling a65f914bb0 Add encoding for moving a value between two ARM core registers and a doublework
extension register.

llvm-svn: 116970
2010-10-20 23:37:40 +00:00
Bill Wendling 058190507b Add encodings for movement between ARM core registers and single-precision
registers.

llvm-svn: 116961
2010-10-20 22:44:54 +00:00
Dan Gohman 55a028680c Add some comments.
llvm-svn: 116957
2010-10-20 22:04:02 +00:00
Evan Cheng 87066f0677 More accurate estimate / tracking of register pressure.
- Initial register pressure in the loop should be all the live defs into the
  loop. Not just those from loop preheader which is often empty.
- When an instruction is hoisted, update register pressure from loop preheader
  to the original BB.
- Treat only use of a virtual register as kill since the code is still SSA.

llvm-svn: 116956
2010-10-20 22:03:58 +00:00
Dale Johannesen ff37675c72 Fix crash introduced in 116852. 8573915.
llvm-svn: 116955
2010-10-20 22:03:37 +00:00
Jason W Kim ef3ba55e52 Cut unneeded global variable.
llvm-svn: 116953
2010-10-20 22:01:39 +00:00
Rafael Espindola 89f6613e76 Handle _GLOBAL_OFFSET_TABLE_ correctly.
llvm-svn: 116932
2010-10-20 16:46:08 +00:00
Dale Johannesen 710a2d9d46 Enable using vdup for vector constants which are splat of
integers by default, and remove the controlling flag, now
that LICM will hoist such vdup's.  8003375.

llvm-svn: 116852
2010-10-19 20:00:17 +00:00
Evan Cheng 63c7608c34 Re-enable register pressure aware machine licm with fixes. Hoist() may have
erased the instruction during LICM so UpdateRegPressureAfter() should not
reference it afterwards.

llvm-svn: 116845
2010-10-19 18:58:51 +00:00
Jason W Kim e8b3711ae9 Fixing r116753 r116756 r116777
The failures in r116753 r116756 were caused by a python issue -
Python likes to append 'L' suffix to stringified numbers if the number
is larger than a machine int. Unfortunately, this causes a divergence of
behavior between 32 and 64 bit python versions.

I re-crafted elf-dump/common_dump to take care of these issues by:

1. always printing 0x (makes for easy sed/regex)
2. always print fixed length (exactly 2 + numBits/4 digits long)
   by mod ((2^numBits) - 1)
3. left-padded with '0'

There is a residual common routine that is also used by
macho-dump (dataToHex) , so I left the 'section_data' test values alone.

llvm-svn: 116823
2010-10-19 17:39:10 +00:00
Daniel Dunbar 418204e523 Revert r116781 "- Add a hook for target to determine whether an instruction def
is", which breaks some nightly tests.

llvm-svn: 116816
2010-10-19 17:14:24 +00:00
Mikhail Glushenkov 2072db24ed GlobalOpt: EvaluateFunction() must not evaluate stores to weak_odr globals.
Fixes PR8389.

llvm-svn: 116812
2010-10-19 16:47:23 +00:00
Che-Liang Chiou 18d3e435cb Add test case mov.ll for PTX device function
llvm-svn: 116806
2010-10-19 13:21:51 +00:00
Rafael Espindola e73bc89093 Fix PR8300 by remembering to keep the bitcast in all cases.
llvm-svn: 116788
2010-10-19 02:02:57 +00:00
Evan Cheng 8249dfe6ce - Add a hook for target to determine whether an instruction def is
"long latency" enough to hoist even if it may increase spilling. Reloading
  a value from spill slot is often cheaper than performing an expensive
  computation in the loop. For X86, that means machine LICM will hoist
  SQRT, DIV, etc. ARM will be somewhat aggressive with VFP and NEON
  instructions.
- Enable register pressure aware machine LICM by default.

llvm-svn: 116781
2010-10-19 00:55:07 +00:00
Eric Christopher eac5e381cc Speculatively revert 116753 and 116756 to attempt to fix the bots.
llvm-svn: 116777
2010-10-19 00:19:49 +00:00
Bob Wilson b6d61dc291 Support alignment for NEON vld-lane and vst-lane instructions.
llvm-svn: 116776
2010-10-19 00:16:32 +00:00
Kevin Enderby 49843c0162 Added a few tweaks to the Intel Descriptor-table support instructions to allow
word forms and suffixed versions to match the darwin assembler in 32-bit and
64-bit modes.  This is again for use just with assembly source for llvm-mc .

llvm-svn: 116773
2010-10-19 00:01:44 +00:00
Eric Christopher 7b92c2a9a0 Revert r116220 - thus turning arm fast isel back on by default.
llvm-svn: 116762
2010-10-18 22:53:53 +00:00
Jason W Kim d4cc3d420a Get rid of unneeded FormatOutput global variable
llvm-svn: 116756
2010-10-18 21:59:38 +00:00
Jason W Kim eae048885d Changed elf-dump to output hex format by default.
Also updated tests. 

llvm-svn: 116753
2010-10-18 21:32:41 +00:00
Dan Gohman 408beac597 Don't pass the raw invalid pointer used to represent conflicting
TBAA information to AliasAnalysis.

llvm-svn: 116751
2010-10-18 21:28:00 +00:00
Dan Gohman fe8abf88a0 Add a basic testcase for TBAA-aware LICM.
llvm-svn: 116745
2010-10-18 21:00:09 +00:00
Rafael Espindola fba9f74932 Implement R_386_GOT32.
llvm-svn: 116744
2010-10-18 20:47:21 +00:00
Rafael Espindola 0a5314fdb3 Relocate with .bss instead of using the symbol. Matches gas behavior.
llvm-svn: 116741
2010-10-18 20:25:33 +00:00
Dan Gohman f7a5e20372 Run tbaa before basicaa, since that's how it's expected to be used.
llvm-svn: 116731
2010-10-18 18:45:59 +00:00
Rafael Espindola e3dc9e2ea1 Produce ELF::R_386_GOTPC relocations.
llvm-svn: 116728
2010-10-18 18:36:12 +00:00
Dan Gohman 33fcde9b9c Make TypeBasedAliasAnalysis default to doing nothing, with a command-line
option to enable it.

llvm-svn: 116722
2010-10-18 18:17:47 +00:00
Dan Gohman 02538ac4d3 Make BasicAliasAnalysis a normal AliasAnalysis implementation which
does normal initialization and normal chaining. Change the default
AliasAnalysis implementation to NoAlias.

Update StandardCompileOpts.h and friends to explicitly request
BasicAliasAnalysis.

Update tests to explicitly request -basicaa.

llvm-svn: 116720
2010-10-18 18:04:47 +00:00
Kevin Enderby b9783dd9bc Added a handful of x86-32 instructions that were missing so that llvm-mc would
be more complete.  These are only expected to be used by llvm-mc with assembly
source so there is no pattern, [], in the .td files.  Most are being added to
X86InstrInfo.td as Chris suggested and only comments about register uses are
added.  Suggestions welcome on the .td changes as I'm not sure on every detail
of the x86 records.  More missing instructions will be coming.

llvm-svn: 116716
2010-10-18 17:04:36 +00:00
Rafael Espindola 3521f8467d Produce a R_386_PLT32 when needed. Moved the default cases of switches to the
start for consistency.

llvm-svn: 116715
2010-10-18 16:58:03 +00:00
Rafael Espindola 4464e0858f Handle GOTOFF correctly on i386.
llvm-svn: 116711
2010-10-18 16:38:04 +00:00
Kalle Raiskila 5f2034c455 Improve lowering of sext to i128 on SPU.
The old algorithm inserted a 'rotqmbyi' instruction which was
both redundant and wrong - it made shufb select bytes from the
wrong end of the input quad.

llvm-svn: 116701
2010-10-18 09:34:19 +00:00
Rafael Espindola 4262a22225 Add a MCObjectFormat class so that code common to all targets that use a
single object format can be shared.

This also adds support for

mov zed+(bar-foo), %eax

on ELF and COFF targets.

llvm-svn: 116675
2010-10-16 18:23:53 +00:00
Benjamin Kramer 0d14b5b0fa Unbreak test on non-COFF targets.
llvm-svn: 116669
2010-10-16 11:27:13 +00:00
Michael J. Spencer 17990d5690 MC-COFF: Add support for default-null weak externals.
llvm-svn: 116666
2010-10-16 08:25:57 +00:00
Michael J. Spencer 5e683250ee X86-Windows: Emit an undefined global __fltused symbol when targeting Windows
if any floating point arguments are passed to an external function.

llvm-svn: 116665
2010-10-16 08:25:41 +00:00
Owen Anderson 18e4fed3fa Generalize MemCpyOpt's handling of call slot forwarding to function properly when the call slot
forwarding is implemented with a load/store pair rather than a memcpy.

llvm-svn: 116637
2010-10-15 22:52:12 +00:00
Mikhail Glushenkov 3ba051a4f6 llvmc: Add a test for the -c flag.
llvm-svn: 116611
2010-10-15 19:30:49 +00:00
Jim Grosbach 68a335e185 ARM mode encoding information for UBFX and SBFX instructions.
llvm-svn: 116588
2010-10-15 17:15:16 +00:00
Jakob Stoklund Olesen f28cc03802 FileCheckize
llvm-svn: 116581
2010-10-15 16:06:42 +00:00
Rafael Espindola fbcf0db7ee Refactor code a bit and avoid creating unnecessary entries in the string
map.

llvm-svn: 116579
2010-10-15 15:39:06 +00:00
Bob Wilson 59351844e1 ARM instructions that are both predicated and set the condition codes
have been printed with the "S" modifier after the predicate.  With ARM's
unified syntax, they are supposed to go in the other order.  We fixed this
for Thumb when we switched to unified syntax but missed changing it for
ARM.  Apparently we don't generate these instructions often because no one
noticed until now.  Thanks to Bill Wendling for the testcase!

llvm-svn: 116563
2010-10-15 03:23:44 +00:00
Jim Grosbach 0b5c743811 Simplify test file a bit.
llvm-svn: 116540
2010-10-14 23:32:44 +00:00
Jim Grosbach 89efff3763 Add testcase for RRX and ASRS (which effectively tests MOVs, since those
are just forms of that instruction).

llvm-svn: 116538
2010-10-14 23:29:18 +00:00
Jim Grosbach 8b6a9c1574 Refactor the MOVsr[al]_flag and RRX pseudo-instructions to really be pseudos
and let the ARMExpandPseudoInsts pass fix them up into the real (MOVs)
instruction form.

llvm-svn: 116534
2010-10-14 22:57:13 +00:00
Jim Grosbach 062749cb25 Tweak the ARM backend to use the RRX mnemonic instead of the 'mov a, b, rrx'
pseudonym.

llvm-svn: 116512
2010-10-14 20:43:44 +00:00
Jim Grosbach eafcb27ded MOVi16 and MOVT ARM mode encodings.
llvm-svn: 116498
2010-10-14 18:54:27 +00:00
Rafael Espindola bee6e9f8e0 Remove some code duplication.
llvm-svn: 116484
2010-10-14 16:34:44 +00:00
Mikhail Glushenkov 793d141b7d Comments.
llvm-svn: 116476
2010-10-14 13:43:20 +00:00
Bill Wendling 6f52f8a87d Add support for vmov.f64/.f32 encoding. There's a bit of a hack going on
here. The f32 in FCONSTS is handled as a double instead of a float in the
code. So the encoding of the immediate into the instruction isn't exactly in
line with the documentation in that regard. But given that we know it's handled
as a double, it doesn't cause any harm.

llvm-svn: 116471
2010-10-14 02:33:26 +00:00
Bill Wendling 0441c6cba0 Add encoding for 'fmstat'.
llvm-svn: 116466
2010-10-14 01:19:34 +00:00
Bill Wendling 0825f3e441 - Add encodings for multiply add/subtract instructions in all their glory.
- Add missing patterns for some multiply add/subtract instructions.
- Add encodings for VMRS and VMSR.

llvm-svn: 116464
2010-10-14 01:02:08 +00:00
Chris Lattner b9681ad442 fix a bug I introduced, no idea how this didn't repro right.
llvm-svn: 116462
2010-10-14 00:30:00 +00:00
Chris Lattner c7bd5740eb hack to unbreak buildbots
llvm-svn: 116461
2010-10-14 00:26:10 +00:00
Chris Lattner 698661c741 add uadd_ov/usub_ov to apint, consolidate constant folding
logic to use the new APInt methods.  Among other things this
implements rdar://8501501 - llvm.smul.with.overflow.i32 should constant fold

which comes from "clang -ftrapv", originally brought to my attention from PR8221.

llvm-svn: 116457
2010-10-14 00:05:07 +00:00
Jim Grosbach 7e72ec6626 Refactor the ARM 'setend' instruction pattern. Use a single instruction pattern
and handle the operand explicitly. Flesh out encoding information. Add an
explicit disassembler testcase for the instruction.

llvm-svn: 116432
2010-10-13 21:00:04 +00:00
Bill Wendling f106ecfa59 Add MC encodings for VCVT* instrunctions.
llvm-svn: 116431
2010-10-13 20:58:46 +00:00
Jim Grosbach 1e7db68774 Add ARM mode encoding for [SU]XT[BH] and [SU]XTA[BH] instructions.
llvm-svn: 116421
2010-10-13 19:56:10 +00:00
Jim Grosbach 651dc7c9e9 Add ARM mode operand encoding information for ADDE/SUBE instructions.
llvm-svn: 116412
2010-10-13 18:00:52 +00:00
Rafael Espindola 2216af3fa8 Fix another case where we were preferring instructions with large
immediates instead of 8 bits ones.

llvm-svn: 116410
2010-10-13 17:14:25 +00:00
Rafael Espindola 8ea9b0eb32 Fix PR8365 by adding a more specialized Pat that checks if an 'and' with
8 bit constants can be used.

llvm-svn: 116403
2010-10-13 13:31:20 +00:00
Bill Wendling 6e27b4f530 Add encodings for VNEG and VSQRT. Also add encodings for VMOV, but not a test
just yet.

llvm-svn: 116386
2010-10-13 01:17:33 +00:00
Bill Wendling 576fd0b110 Add encodings for VCVT instructions.
llvm-svn: 116385
2010-10-13 00:56:35 +00:00
Jim Grosbach 8c519c0d4b Add ARM encoding information for comparisons, forced-cc-out arithmetics, and
arithmetic-with-carry-in instructions.

llvm-svn: 116384
2010-10-13 00:50:27 +00:00
Bill Wendling da4ddf0fcf Add VCMPZ and VABS.
llvm-svn: 116383
2010-10-13 00:38:07 +00:00
Bill Wendling f9ca535495 Refactor VCMP instructions.
llvm-svn: 116379
2010-10-13 00:04:29 +00:00
Eric Christopher a237bdbe52 FileCheckize this in a hope to quiet a valgrind warning on grep.
llvm-svn: 116376
2010-10-12 23:47:58 +00:00
Bill Wendling 7dd8c0b991 Add encodings for VNMUL[SD].
llvm-svn: 116375
2010-10-12 23:47:37 +00:00
Bill Wendling a06aee826c Add encodings for VDIV and VMUL.
llvm-svn: 116370
2010-10-12 23:22:27 +00:00
Jim Grosbach d5f8c3350d Be nitpicky and line up the comments.
llvm-svn: 116365
2010-10-12 23:14:03 +00:00
Bill Wendling 646a506724 Add encoding for VSUB and VCMP.
Fear not! I'm going to try a refactoring right now. :)

llvm-svn: 116359
2010-10-12 22:55:35 +00:00
Bill Wendling 9513a7e87f Don't need to specify calling convention. Add 'readnone' to functions.
llvm-svn: 116354
2010-10-12 22:24:10 +00:00
Bill Wendling ac6cd00706 Encoding for VADDD. Plus a test for the VFP instructions.
llvm-svn: 116348
2010-10-12 22:08:41 +00:00
Jim Grosbach 6fead930af Add encoding information for the remainder of the generic arithmetic
ARM instructions.

llvm-svn: 116313
2010-10-12 17:11:26 +00:00
Dan Gohman 65eb03ed6b Add a simple testcase for tbaa.
llvm-svn: 116272
2010-10-11 23:54:13 +00:00
Jim Grosbach b7c2962d20 MC machine encoding for simple aritmetic instructions that use a shifted
register operand.

llvm-svn: 116259
2010-10-11 23:16:21 +00:00
Andrew Trick 3e02306fed PR8297
llvm-svn: 116223
2010-10-11 21:08:42 +00:00
Jakob Stoklund Olesen 6c4353ecee PowerPC varargs functions store live-in registers on the stack. Make sure we use
virtual registers for those stores since RegAllocFast requires that each live
physreg only be used once.

This fixes PR8357.

llvm-svn: 116222
2010-10-11 20:43:09 +00:00
Eric Christopher e2a0b6841a Found a bug turning this on by default. Disable again for now.
llvm-svn: 116220
2010-10-11 20:26:21 +00:00
Eric Christopher 6002b3b3e1 Remove now non-existent option.
llvm-svn: 116219
2010-10-11 20:21:21 +00:00
Andrew Trick e01c9001c9 Fixes bug 8297: i386 cmpxchg8b, missing MachineMemOperand
llvm-svn: 116214
2010-10-11 19:02:04 +00:00
Chris Lattner 1ef5e84c31 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 00765e5be0 X86: MinGW should always use libgcc on Windows.
llvm-svn: 116177
2010-10-10 23:11:06 +00:00
Michael J. Spencer 7a573a5e1f X86: Call _alldiv instead of __divdi3 on Windows (excluding cygwin).
llvm-svn: 116174
2010-10-10 22:04:34 +00:00
Chris Lattner f8f7537a77 force a triple, varargs isn't supported with the SVR4 ABI the buildbot tells me.
llvm-svn: 116170
2010-10-10 18:59:01 +00:00
Chris Lattner d10babfd65 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 b8d7efe785 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
Michael J. Spencer a6a984bd96 MC-COFF: Fix .bss section size. Fixes PR8335. Patch by NAKAMUTA Takumi!
llvm-svn: 116155
2010-10-09 16:04:45 +00:00
Benjamin Kramer b20b08f898 Don't test a removed function.
llvm-svn: 116154
2010-10-09 15:53:25 +00:00
Michael J. Spencer 86bbd71088 MC-COFF: Implement InitSections. Fixes PR8335.
llvm-svn: 116151
2010-10-09 15:44:27 +00:00
Michael J. Spencer c8dbdfd4ba MC-COFF: Add COFFAsmParser. Completes PR8343.
llvm-svn: 116150
2010-10-09 11:01:07 +00:00
Evan Cheng 05f13e94bf 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 748265b0da Simplify test and move into a generic "crash" ll file.
llvm-svn: 116130
2010-10-09 00:29:04 +00:00
Bill Wendling 59ebe44049 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
Jim Grosbach c43c930690 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
Rafael Espindola af8b4871a8 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
Cameron Esfahani d57f9ecd4a Recommit 116056, now with the missing file...
llvm-svn: 116083
2010-10-08 19:24:18 +00:00
Andrew Trick cf97db2402 reverting 116056: win64_params.ll may need to be conditionalized?
llvm-svn: 116063
2010-10-08 17:22:42 +00:00
Cameron Esfahani a07b5c291d 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 056b694de1 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 3e210eb398 testcase that goes with r116053
llvm-svn: 116054
2010-10-08 05:12:30 +00:00
Chris Lattner 8ed76f87cf rename test
llvm-svn: 116052
2010-10-08 05:05:06 +00:00
Chris Lattner 420cf26d99 merge tests
llvm-svn: 116051
2010-10-08 05:04:58 +00:00
Chris Lattner 6a8a65cb43 filecheckize.
llvm-svn: 116050
2010-10-08 05:02:29 +00:00
Chris Lattner dd77477690 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
Michael J. Spencer 00ee155b25 Fix Formatting.
llvm-svn: 116038
2010-10-08 03:17:21 +00:00
Michael J. Spencer 8eb636e5de MC-COFF: Fix Simple and Complex type. Fixes PR8320.
llvm-svn: 116037
2010-10-08 03:17:11 +00:00
Daniel Dunbar efdf08b5b8 Revert "reimplement the second half of the or/add optimization. We should now",
which depends on r116007, which I am about to revert.

llvm-svn: 116031
2010-10-08 02:07:26 +00:00
Chris Lattner 134f415bf8 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".

llvm-svn: 116026
2010-10-08 01:05:10 +00:00
Jim Grosbach 42a07e8545 Add test file for simple ARM binary encodings with MC
llvm-svn: 116024
2010-10-08 00:47:59 +00:00
Michael J. Spencer 00be34d009 MC-COFF: Add test for my last commit.
llvm-svn: 116015
2010-10-08 00:00:28 +00:00
Devang Patel 57da4caa85 Remove LoopIndexSplit pass. It is neither maintained nor used by anyone.
llvm-svn: 116004
2010-10-07 23:29:37 +00:00
Chris Lattner ae8d67d3bb convert cmp to use a multipattern
llvm-svn: 115978
2010-10-07 20:56:25 +00:00
Evan Cheng 5c31bf0619 Canonicalize X86ISD::MOVDDUP nodes to v2f64 to make sure all cases match. Also eliminate unneeded isel patterns. rdar://8520311
llvm-svn: 115977
2010-10-07 20:50:20 +00:00
Michael J. Spencer 1666b61357 MC-COFF: Fix symbol aliases. Fixes PR8251.
llvm-svn: 115909
2010-10-07 06:29:33 +00:00
Michael J. Spencer efc22274cd test: Fix binary stdin issues with coff-dump on Windows.
llvm-svn: 115908
2010-10-07 06:29:21 +00:00
Jim Grosbach 742adc328a Allow use of the 16-bit literal move instruction in CMOVs for ARM mode.
llvm-svn: 115884
2010-10-07 00:42:42 +00:00
Rafael Espindola 5f2d6a5cd9 Get binding and visibility info from the the alias, but Type from the symbol
being aliased.

llvm-svn: 115836
2010-10-06 21:02:29 +00:00
Rafael Espindola d444577382 If a symbol is global, reloc against it even if it is in a mergeable section.
llvm-svn: 115817
2010-10-06 19:27:21 +00:00
Rafael Espindola 83b2a3337f Make sure weak symbols are listed after the local ones.
llvm-svn: 115795
2010-10-06 16:47:31 +00:00
Rafael Espindola 8f3d2c9058 Correctly handle GOTPCREL relocations.
llvm-svn: 115793
2010-10-06 16:23:36 +00:00
Evan Cheng 49d4c0bd18 - Add TargetInstrInfo::getOperandLatency() to compute operand latencies. This
allow target to correctly compute latency for cases where static scheduling
  itineraries isn't sufficient. e.g. variable_ops instructions such as
  ARM::ldm.
  This also allows target without scheduling itineraries to compute operand
  latencies. e.g. X86 can return (approximated) latencies for high latency
  instructions such as division.
- Compute operand latencies for those defined by load multiple instructions,
  e.g. ldm and those used by store multiple instructions, e.g. stm.

llvm-svn: 115755
2010-10-06 06:27:31 +00:00
Chris Lattner 28f034c21a Generalize tblgen's dag parsing logic to handle arbitrary expressions
as the operator of the dag.  Specifically, this allows parsing things
like (F.x 4) in addition to just (a 4).

Unfortunately, this runs afoul of an idiom being used by llvmc.  It
is using dags like (foo [1,2,3]) to represent a list of stuff being
passed into foo.  With this change, this is parsed as a [1,2,3] 
subscript on foo instead of being the first argument to the dag.
Cope with this in the short term by requiring a "-llvmc-temp-hack"
argument to tblgen to get the old parsing behavior.

llvm-svn: 115742
2010-10-06 04:55:48 +00:00
Chris Lattner 805b74d650 rename add some comments.
llvm-svn: 115741
2010-10-06 04:37:17 +00:00
Chris Lattner 7d5bb96723 filecheckize
llvm-svn: 115740
2010-10-06 04:36:30 +00:00
Chris Lattner 9402633637 remove the !nameconcat tblgen feature. It "shorthand" and only used in 4 places
where !cast is just as short.

llvm-svn: 115722
2010-10-06 00:19:21 +00:00
Rafael Espindola d7565c3a06 Use a relocation against the symbol if it is a PLT and the symbol is in another
section. Common because of linkonce sections.

llvm-svn: 115718
2010-10-05 23:57:26 +00:00
Chris Lattner 7538ed80a9 enhance tblgen to support anonymous defm's, use this to
simplify the X86 CMOVmr's.

llvm-svn: 115702
2010-10-05 22:51:56 +00:00
Rafael Espindola 0ad137e98e Implement more alias cases.
llvm-svn: 115699
2010-10-05 22:26:43 +00:00
Bill Wendling 10a0fdeab5 PSHUFW is in SSE, not SSSE3.
llvm-svn: 115691
2010-10-05 21:58:12 +00:00
Chris Lattner 13111b08fb Replace a gross hack (the MOV64ri_alt instruction) with a slightly less
gross hack (having the asmmatcher handle the alias).

llvm-svn: 115685
2010-10-05 21:09:45 +00:00
Rafael Espindola c58a37ea51 Don't crash in a strange .size directive.
llvm-svn: 115684
2010-10-05 21:02:45 +00:00
Michael J. Spencer a3b34ed2df MC-COFF: Fix (PR8278) temporary symbol relocations.
llvm-svn: 115656
2010-10-05 19:48:03 +00:00
Rafael Espindola b91bac6c96 Add support for a fill value in the .zero directive.
llvm-svn: 115655
2010-10-05 19:42:57 +00:00
Rafael Espindola b1d0789357 Implement a simple alias case and refactor the code a bit so that the
isInSymtab and isLocal logic in the two loops don't get easily out of sync.

llvm-svn: 115643
2010-10-05 18:01:23 +00:00
Michael J. Spencer 8ccdd25fbd test/COFF: Fix symbol indexes and names. Update tests to match.
llvm-svn: 115642
2010-10-05 17:57:08 +00:00
Michael J. Spencer f6230d1d4b test/COFF: Remove temp file usage.
llvm-svn: 115641
2010-10-05 17:56:56 +00:00
Michael J. Spencer e58f37f74d test/coff-dump: Support reading from stdin.
llvm-svn: 115640
2010-10-05 17:56:46 +00:00
Michael J. Spencer 868aaf3c3d Cleanup Whitespace.
llvm-svn: 115639
2010-10-05 17:56:37 +00:00
Owen Anderson d8d1dcc09a Use a more efficient lowering of uint64_t --> float that can take advantage of hardware signed integer conversion without
having to do a double cast (uint64_t --> double --> float).  This is based on the algorithm from compiler_rt's __floatundisf
for X86-64.

llvm-svn: 115634
2010-10-05 17:24:05 +00:00
Rafael Espindola d03e81dba8 Produce a undefined reference to _GLOBAL_OFFSET_TABLE_ when needed.
llvm-svn: 115623
2010-10-05 15:48:37 +00:00
Rafael Espindola 259bcdad06 Tests that now pass.
llvm-svn: 115622
2010-10-05 15:43:32 +00:00
NAKAMURA Takumi 7681b41720 test/CodeGen/X86/atomic_op.ll: Rename @main to @func. Extra sequences will be inserted to @main as prologue on cygming, to fail.
llvm-svn: 115611
2010-10-05 11:16:24 +00:00
Sean Callanan 6296bbbb65 Added a testcase for the ENTER instruction.
llvm-svn: 115580
2010-10-05 00:21:40 +00:00
Bill Wendling 402e54822b The pshufw instruction came about in MMX2 when SSE was introduced. Don't place
it in with the SSSE3 instructions.

Steward! Could you place this chair by the aft sun deck? I'm trying to get away
from the Astors. They are such boors!

llvm-svn: 115552
2010-10-04 20:24:01 +00:00
Rafael Espindola fd1fff8b19 Implement ELF::R_X86_64_GOTPCREL.
llvm-svn: 115547
2010-10-04 19:51:39 +00:00
Rafael Espindola baadbd554a Produce a R_X86_64_PLT32 when needed.
llvm-svn: 115541
2010-10-04 19:04:13 +00:00
Rafael Espindola b2c4ca6433 Produce a R_X86_64_GOT32 when needed.
llvm-svn: 115537
2010-10-04 18:44:25 +00:00
Jan Wen Voung 87f77b5f9a Add hook in MCSection to decide when to use "optimized nops", for each
section kind. Previously, optimized nops were only used for MachO.
Also added tests for ELF and COFF.

llvm-svn: 115523
2010-10-04 17:32:41 +00:00
Rafael Espindola da0e3d07b2 Include the section address in the computation of the relocation.
llvm-svn: 115509
2010-10-04 15:59:01 +00:00
Rafael Espindola 7c48b06930 Correctly compute the relocation when it is not in the first fragment.
llvm-svn: 115506
2010-10-04 15:28:43 +00:00
Anton Korobeynikov d77a443631 va_args support for Win64.
Patch by Cameron!

llvm-svn: 115480
2010-10-03 22:52:07 +00:00
Anton Korobeynikov ff85688559 Properly emit stack probe on win64 (for non-mingw targets).
Based on the patch by Cameron Esfahani!

llvm-svn: 115479
2010-10-03 22:02:38 +00:00
Eli Friedman bb48e26732 Add 3DNowA instructions.
llvm-svn: 115477
2010-10-03 20:23:13 +00:00
Chris Lattner f909b07340 unbreak buildbot
llvm-svn: 115476
2010-10-03 20:02:48 +00:00
Chris Lattner d3593c3a8e the immediate field of pshufw is actually an 8-bit field, not a 8-bit field that is sign extended. This fixes PR8288
llvm-svn: 115473
2010-10-03 19:09:13 +00:00
Chris Lattner b44b202d66 add support for the prefetch/prefetchw instructions, move femms into
the right file.  The assembler supports all the 3dnow instructions now,
but not the "3dnowa" ones.

llvm-svn: 115468
2010-10-03 18:42:30 +00:00
Chris Lattner 3a0a620c2e what the heck, add support for the rest of the 3dNow! binary operations.
llvm-svn: 115467
2010-10-03 18:24:18 +00:00
Chris Lattner 45270db916 Implement support for the bizarre 3DNow! encoding (which is unlike anything
else in X86), and add support for pavgusb.  This is apparently the
only instruction (other than movsx) that is preventing ffmpeg from building
with clang.

If someone else is interested in banging out the rest of the 3DNow! 
instructions, it should be quite easy now.

llvm-svn: 115466
2010-10-03 18:08:05 +00:00
Bill Wendling 5d9089ae14 Add test to make sure that the MMX intrinsic calls make it out the other end in
tact.

llvm-svn: 115458
2010-10-03 03:30:30 +00:00
Bill Wendling 14d07adf0b Auto-upgrade tests for the new MMX intrinsic calls.
llvm-svn: 115456
2010-10-03 01:12:20 +00:00
Rafael Espindola f70b4e0c2e Implement a very basic PIC case.
llvm-svn: 115454
2010-10-03 00:46:57 +00:00
Chris Lattner 4756bbeba0 fix a regression introduced in r115243, in which the instruction
backing int_x86_ssse3_pshuf_w got removed.  This caused PR8280.

llvm-svn: 115422
2010-10-02 21:32:15 +00:00
Chris Lattner a2f2c27b20 actually, move the elf tests into the existing elf dir.
llvm-svn: 115416
2010-10-02 18:53:48 +00:00
Chris Lattner 7b1638b40b consolidate ELF tests into asmparser tests.
llvm-svn: 115415
2010-10-02 18:52:57 +00:00
Chris Lattner fbae9435c9 move ARM MC tests up one level.
llvm-svn: 115414
2010-10-02 18:52:05 +00:00
Bill Wendling bf73fe5e8d Need to specify SSE4 for machines which don't have SSE4. The code checked for is generated by SSE4. Otherwise, we get something else.
llvm-svn: 115352
2010-10-01 21:39:35 +00:00
Owen Anderson 13a642da0b Now that the profitable bits of EnableFullLoadPRE have been enabled by default, rip out the remainder.
Anyone interested in more general PRE would be better served by implementing it separately, to get real
anticipation calculation, etc.

llvm-svn: 115337
2010-10-01 20:02:55 +00:00
Devang Patel d3fe5fa5d1 Fix code gen crash reported in PR 8235. We still lose debug info for the unused argument here. This is a known limitation recorded debuginfo-tests/trunk/dbg-declare2.ll function 'f6' test case.
llvm-svn: 115323
2010-10-01 19:00:44 +00:00
Bill Wendling a39904e6b9 We must check for something.
llvm-svn: 115309
2010-10-01 10:20:10 +00:00
Bill Wendling 0e5e4b7b76 Disable tests until I can figure out why they're failing on just two machines but not others.
llvm-svn: 115308
2010-10-01 10:01:10 +00:00
Bill Wendling b3a1022572 Try adding an mtriple.
llvm-svn: 115307
2010-10-01 09:40:50 +00:00
Kalle Raiskila 56f7cd255b Zap some redundant 'ori $?, $?, 0' from SPU.
Also remove some code that died in the process.
One now non-existant ori is checked for.

llvm-svn: 115306
2010-10-01 09:20:01 +00:00
Bill Wendling 3b2b1e7942 FileCheck-ize this test.
llvm-svn: 115304
2010-10-01 08:55:48 +00:00
Bill Wendling 9b6853c6eb FileCheck-ize this test.
llvm-svn: 115303
2010-10-01 08:50:12 +00:00
Chris Lattner c663a67384 fix PR8267 - Instcombine shouldn't optimizer away volatile memcpy's.
llvm-svn: 115296
2010-10-01 05:51:02 +00:00
Chris Lattner 98e82678bd upgrade this test.
llvm-svn: 115295
2010-10-01 05:47:16 +00:00
Chris Lattner a205055857 fix rdar://8494845 + PR8244 - a miscompile exposed by my patch in r101350
llvm-svn: 115294
2010-10-01 05:36:09 +00:00
Dale Johannesen f419de0852 One more +sse2.
llvm-svn: 115293
2010-10-01 05:08:18 +00:00
Chris Lattner 4ca7bb52d0 move X86 subdir up a level
llvm-svn: 115292
2010-10-01 04:32:20 +00:00
Dale Johannesen bb6b961867 Mark all these as needing SSE2. Should fix PPC and
maybe even Linux.

llvm-svn: 115291
2010-10-01 04:17:55 +00:00
Dale Johannesen ab60ae3cf3 Disable these tests for now; it's not obvious why they fail on Linux.
llvm-svn: 115257
2010-10-01 00:59:21 +00:00
Dale Johannesen c6f17f7420 Make test not sensitive to register choice.
llvm-svn: 115250
2010-10-01 00:16:17 +00:00
Dale Johannesen dd224d2333 Massive rewrite of MMX:
The x86_mmx type is used for MMX intrinsics, parameters and
return values where these use MMX registers, and is also
supported in load, store, and bitcast.

Only the above operations generate MMX instructions, and optimizations
do not operate on or produce MMX intrinsics. 

MMX-sized vectors <2 x i32> etc. are lowered to XMM or split into
smaller pieces.  Optimizations may occur on these forms and the
result casted back to x86_mmx, provided the result feeds into a
previous existing x86_mmx operation.

The point of all this is prevent optimizations from introducing
MMX operations, which is unsafe due to the EMMS problem.

llvm-svn: 115243
2010-09-30 23:57:10 +00:00
NAKAMURA Takumi bb995ae261 test/CodeGen/X86/sibcall.ll: Add explicit triplets and remove XFAIL: apple-darwin8.
llvm-svn: 115215
2010-09-30 22:02:06 +00:00
Owen Anderson 3170a25a84 We do want to allow LoadPRE to perform LICM-like transformations: we already consider PHI nodes to be negligible for
code size (making this transform code size neutral), and it allows us to hoist values out of loops, which is always
a good thing.

llvm-svn: 115205
2010-09-30 20:53:04 +00:00
Jakob Stoklund Olesen eb12f49fb7 Try again to disable critical edge splitting in CodeGenPrepare.
The bug that broke i386 linux has been fixed in r115191.

llvm-svn: 115204
2010-09-30 20:51:52 +00:00
Rafael Espindola f987d5ea1c Factor some logic into ShouldRelocOnSymbol. This simplifies the code and
fixes some cases where we were producing relocations with at symbol that
should use a section instead.

llvm-svn: 115194
2010-09-30 20:18:35 +00:00
Jakob Stoklund Olesen 665aa6efcc When isel is emitting instructions for an x86 target without CMOV, the CFG is
edited during emission.

If the basic block ends in a switch that gets lowered to a jump table, any
phis at the default edge were getting updated wrong. The jump table data
structure keeps a pointer to the header blocks that wasn't getting updated
after the MBB is split.

This bug was exposed on 32-bit Linux when disabling critical edge splitting in
codegen prepare.

The fix is to uipdate stale MBB pointers whenever a block is split during
emission.

llvm-svn: 115191
2010-09-30 19:44:31 +00:00
Chris Lattner 1dee57fb7d more cleanups.
llvm-svn: 115178
2010-09-30 17:29:05 +00:00
Chris Lattner 288a5f9652 merge and clean up tests.
llvm-svn: 115177
2010-09-30 17:24:05 +00:00
Chris Lattner 60217e765e merge two tests.
llvm-svn: 115175
2010-09-30 17:18:22 +00:00
Chris Lattner 41a0cd14b7 rename test
llvm-svn: 115174
2010-09-30 17:16:49 +00:00
Chris Lattner ea226b24ff generalize test.
llvm-svn: 115172
2010-09-30 17:15:42 +00:00
Chris Lattner 28307d1a1e rename test.
llvm-svn: 115171
2010-09-30 17:14:55 +00:00
Chris Lattner 45a52f3c34 merge two tests.
llvm-svn: 115170
2010-09-30 17:14:30 +00:00
Chris Lattner 73a7caee4b preemptively add the rest of the non-n fpstack instructions.
llvm-svn: 115168
2010-09-30 17:11:29 +00:00
Chris Lattner 28b3b43fb4 merge two tests.
llvm-svn: 115165
2010-09-30 17:05:37 +00:00
Chris Lattner 1e9e49f421 fix this to not be completely broken.
llvm-svn: 115164
2010-09-30 17:04:59 +00:00
Chris Lattner c8f0e29b5e update, unxfail, fix bogus encodings.
llvm-svn: 115163
2010-09-30 17:03:20 +00:00
Chris Lattner a9e913e139 update and unxfail
llvm-svn: 115162
2010-09-30 17:00:53 +00:00
Chris Lattner ccf2c765f0 unxfail this by fixing syntactic differences.
llvm-svn: 115161
2010-09-30 16:59:28 +00:00
Chris Lattner 4373badcdf implement support for finit, PR8258
llvm-svn: 115156
2010-09-30 16:42:53 +00:00
Chris Lattner adc0dbe470 add support for fstcw, PR8259
llvm-svn: 115154
2010-09-30 16:39:29 +00:00
Jan Wen Voung efbdbe5565 Move logic of determining ELF entsize from the .s printer to initialization
time. That way, the EntrySize field is initialized for other code paths, 
namely, the .ll -> .o code path.

llvm-svn: 115141
2010-09-30 05:59:22 +00:00
Rafael Espindola 9d98ac645e Add another test that now passes.
llvm-svn: 115137
2010-09-30 04:22:07 +00:00
Rafael Espindola 70d6e0e0ff Correctly produce R_X86_64_32 or R_X86_64_32S.
With this patch in

movq    $foo, foo(%rip)
foo:
.long   foo

We produce a R_X86_64_32S for the first relocation and R_X86_64_32 for the
second one.

llvm-svn: 115134
2010-09-30 03:11:42 +00:00
Jason W Kim 645f6c2bef Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile()
Small test for sanity check of resulting ARM .s file.
Tested against -r115129.

llvm-svn: 115133
2010-09-30 02:45:56 +00:00
Jan Wen Voung b96b2d8e4d Have ELFAsmParser.cpp use the already parsed "Size" (entry size) when
constructing a section. Test for a few cases also included.

llvm-svn: 115132
2010-09-30 02:41:46 +00:00