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11432 Commits

Author SHA1 Message Date
Chris Lattner
269f10b316 accept lret as an alias for lretl, fixing the reopened part of PR8592 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118916 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 18:54:56 +00:00
Andrew Trick
11f20edcf9 Emacs auto-fill bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118908 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 18:17:46 +00:00
Andrew Trick
4252ffdef6 Test case for PR8287: SD scheduling time. Fixed in r118904. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118906 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 17:57:22 +00:00
Chris Lattner
6b5e3978e3 implement PR8592: empirically "lretq" is a "lret" with a rex.w prefix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118903 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 17:41:20 +00:00
Rafael Espindola
d4a352609f gnu as support both % and @ before types, do the same. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118893 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 15:47:08 +00:00
Kalle Raiskila
7ea1ab5f41 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 10:14:03 +00:00
Dan Gohman
720a2ed6d9 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118875 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 02:19:17 +00:00
Dan Gohman
02df7e90cf Filecheckize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118874 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 02:02:39 +00:00
Bruno Cardoso Lopes
7d5652dcd5 Enable mips32 mul instruction. Patch by Akira Hatanaka <ahatanaka@mips.com> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118864 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 00:38:32 +00:00
Owen Anderson
8f14391314 Fill out support for Thumb2 encodings of NEON instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 23:12:55 +00:00
Wesley Peck
ef5b390263 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118844 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:40:53 +00:00
Owen Anderson
57dac88f77 Add correct Thumb2 encodings for NEON vst[1,2,3,4] and vld[1,2,3,4]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:36:43 +00:00
Dan Gohman
4d70a29490 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118840 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:23:25 +00:00
Owen Anderson
410cb57524 Flesh out tests for Thumb2 encodings of NEON instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118837 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:15:47 +00:00
Dan Gohman
32d1fe52e2 Delete unneeded ssp attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118836 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:08:46 +00:00
Owen Anderson
c7139a6f0d Add support for Thumb2 encodings of NEON data processing instructions, using the new PostEncoderMethod infrastructure. 
More tests to come.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 19:07:48 +00:00
Rafael Espindola
e1a2587ee2 Mark labels declared in tls sections as STT_TLS. This matches the behavior of 
gas.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 19:04:55 +00:00
Rafael Espindola
2ff9e83a82 Initial comdat implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118805 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 18:13:52 +00:00
Dan Gohman
56653f0df8 TBAA-enable ArgumentPromotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 18:09:32 +00:00
Rafael Espindola
9302bd664d Make AliasedSymbol able to handle MCTargetExpr. They can get here if 
a weakref is used with a VariantKind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 17:24:43 +00:00
Rafael Espindola
03f1b74aed 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118793 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 16:48:11 +00:00
Dan Gohman
efb8a9d0c2 Remove the memmove->memcpy optimization from CodeGen. MemCpyOpt does this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118789 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 16:24:49 +00:00
Dan Gohman
5aae3dcb53 Make Sink tbaa-aware. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118788 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 16:21:47 +00:00
NAKAMURA Takumi
e7ae70b137 CMake: Add the new option "LLVM_LIT_ARGS". 
Defaults:
if (MSVC OR XCODE): "-sv --no-progress-bar"
else: "-sv"

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118776 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 04:09:35 +00:00
Dan Gohman
f00833c401 Add a testcase which demonstrates alias analysis pass precedence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118755 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 01:03:30 +00:00
Dan Gohman
733c54da1e Fully invalidate cached results when a prior query's size or 
type is insufficient for, or incompatible with, the current query.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118721 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 21:45:11 +00:00
Dan Gohman
075fb5d68f 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];
    }
  }


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118714 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 20:37:15 +00:00
Duncan Sands
a74a58c83b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118694 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 18:23:01 +00:00
Bruno Cardoso Lopes
0cf2b2b9f0 Add a test to the previous added clo instruction. Patch by Akira again 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118668 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 02:22:44 +00:00
Dale Johannesen
201ab3acff When checking that the necessary bits are zero in 
order to reduce ((x<<30)>>24) to x<<6, check the
correct bits.  PR 8547.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 01:30:56 +00:00
Dan Gohman
42c31a7073 Make ModRefBehavior a lattice. Use this to clean up AliasAnalysis 
chaining and simplify FunctionAttrs' GetModRefBehavior logic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118660 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 01:02:18 +00:00
Dale Johannesen
18f601820c Jim's recent fixes 118600, 118587, 118513 have made these work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118652 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 23:43:34 +00:00
Bob Wilson
54f9256380 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118642 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 22:50:44 +00:00
Dan Gohman
4cf0dcfb44 Teach FunctionAttrs about the VAArg instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118627 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 20:17:38 +00:00
Duncan Sands
68c39552a5 Testcase for PR8211 (llc crash at -O0). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118509 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 16:22:27 +00:00
Dan Gohman
6a559cd695 Fix DAGCombiner to avoid folding a sext-in-reg or similar through a shl 
in order to fold it into a load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 01:54:35 +00:00
Dan Gohman
be7c5116a7 Delete an extraneous svn:executable property. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118470 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 01:51:06 +00:00
Dale Johannesen
71365d3774 Fix an inline asm pasto from 117667; was preventing 
{i64, i64} from matching i128.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118465 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 01:15:07 +00:00
Owen Anderson
c24cb3551e Add support for ARM's specialized vector-compare-against-zero instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 23:21:22 +00:00
Duncan Sands
1d32db4406 Add an additional test for icmp of select folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118441 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 20:56:28 +00:00
Dan Gohman
e5dd6624ea Add a testcase for a call which BasicAA says only accesses memory through 
its arguments and which TBAA says doesn't write to memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 20:20:11 +00:00
Dale Johannesen
7179d1e5c0 Revert 118422 in search of bot verdancy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118429 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 19:17:22 +00:00
Jason W Kim
69ad7138b7 Support -mcpu=cortex-a8 in ARM attributes - Has Fixme. 1 Test modified. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118422 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 17:58:07 +00:00
Dan Gohman
ea8900f5df Make FunctionAttrs TBAA-aware. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118417 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 17:12:04 +00:00
Dan Gohman
a25e5dbcc2 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118412 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 16:45:26 +00:00
Dan Gohman
3c97f7af9e Make FunctionAttrs use AliasAnalysis::getModRefBehavior, now that it 
knows about intrinsic functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 16:10:15 +00:00
Rafael Espindola
4faf7c78fe Set default flags for .rodata. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 02:47:59 +00:00
Duncan Sands
92826def59 Add simplification of floating point comparisons with the result 
of a select instruction, the same as already exists for integer
comparisons.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118379 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-07 16:46:25 +00:00
Duncan Sands
1ac7c9979a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118378 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-07 16:12:23 +00:00
Dale Johannesen
7944988c25 Testcase for llvm-gcc 118368. 8629268. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118369 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-07 04:58:48 +00:00