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11460 Commits

Author SHA1 Message Date
Rafael Espindola
55d02f3a13 Fix another case of a .comm directive without a corresponding .type 
directive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 21:11:16 +00:00
Rafael Espindola
765fb1a446 Fix the type of a symbol created with .comm and no corresponding .type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119060 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 19:40:55 +00:00
Dale Johannesen
2ae2302abc Segregate tests by target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119050 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 18:14:32 +00:00
Duncan Sands
cd6636c737 Teach InstructionSimplify about phi nodes. I chose to have it simply 
offload the work to hasConstantValue rather than do something more
complicated (such handling mutually recursive phis) because (1) it is
not clear it is worth it; and (2) if it is worth it, maybe such logic
would be better placed in hasConstantValue.  Adjust some GVN tests
which are now cleaned up much further (eg: all phi nodes are removed).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119043 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 13:30:18 +00:00
Chris Lattner
6857373f44 rename test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119033 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 07:03:49 +00:00
Chris Lattner
2fe9b6a125 filecheckize, remove an old and useless test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119032 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 07:03:38 +00:00
Chris Lattner
961e588e9d this test is pretty pointless and "propogation" isn't a word (or so Misha claims). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119031 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 07:02:03 +00:00
Rafael Espindola
1f4f9e3d35 Handle a peculiar comdat case: Creating a section with an undefined 
signature symbol causes a local symbol to be created unless there is
some other use of the symbol.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119026 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 04:17:37 +00:00
Duncan Sands
dd609e912b Testcase to go along with commit 118923 ("Have GVN simplify instructions 
as it goes").  Before -std-compile-opts only got it down to
  %a = tail call i32 @foo(i32 0) readnone
  %x = tail call i32 @foo(i32 %a) readnone
  %y = tail call i32 @foo(i32 %a) readnone
  %z = icmp eq i32 %x, %y
  ret i1 %z
while now -basicaa -gvn alone reduce it to
  %a = call i32 @foo(i32 0) readnone
  %x = call i32 @foo(i32 %a) readnone
  ret i1 true



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119009 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 21:33:19 +00:00
Peter Collingbourne
948cf0289f Recognise 32-bit ror-based bswap implementation used by uclibc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119007 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 19:54:30 +00:00
Duncan Sands
096aa79276 Generalize the reassociation transform in SimplifyCommutative (now renamed to 
SimplifyAssociativeOrCommutative) "(A op C1) op C2" -> "A op (C1 op C2)",
which previously was only done if C1 and C2 were constants, to occur whenever
"C1 op C2" simplifies (a la InstructionSimplify).  Since the simplifying operand
combination can no longer be assumed to be the right-hand terms, consider all of
the possible permutations.  When compiling "gcc as one big file", transform 2
(i.e. using right-hand operands) fires about 4000 times but it has to be said
that most of the time the simplifying operands are both constants.  Transforms
3, 4 and 5 each fired once.  Transform 6, which is an existing transform that
I didn't change, never fired.  With this change, the testcase is now optimized
perfectly with one run of instcombine (previously it required instcombine +
reassociate + instcombine, and it may just have been luck that this worked).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119002 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 15:10:37 +00:00
Wesley Peck
90eff7337d Fixed error and re-enabled MBlaze MC disassembler tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118987 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 05:48:21 +00:00
Rafael Espindola
e13a0ff8ac Parse and record the gnu_unique_object type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 04:51:02 +00:00
Dale Johannesen
4f8b791d0f This test stops after disassembling 1 instructions on 
darwin and, judging from the buildbots, Linux.
Removing it for now, but this is not the right fix,
Wesley please look at it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 03:55:04 +00:00
Rafael Espindola
c50a0fd7cb Parse and remember discriminators in .loc line. I try to output them with 
another patch.
This lets us parse a bit more of the gcc 4.5 output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 03:18:27 +00:00
Wesley Peck
7247c079f7 Add test cases that should have been committed with 118969. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118974 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 02:51:00 +00:00
Wesley Peck
ec57d53342 1. Adding test cases for MBlaze MC disassembler. 
2. Fixing several errors in disassembler uncovered by test cases.
3. Fixing invalid encoding of PCMPEQ and PCMPNE uncovered by test cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118969 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 02:37:59 +00:00
Evan Cheng
63f3544a7f Add conditional move of large immediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118968 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 02:25:14 +00:00
Rafael Espindola
64185cc609 Fix the encoding of negative line deltas. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118962 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 01:06:27 +00:00
Daniel Dunbar
46a2716910 lli: Switch to using ParseIRFile, for consistency with other LLVM tools. 
- Also, switch tests to not using llvm-as. They run 20% faster now, not that it matters.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118952 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 00:28:01 +00:00
Evan Cheng
e5e0ef180e Fix an obvious typo which inverted an immediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118951 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 00:27:47 +00:00
Eric Christopher
6eb39a09b4 This should be still failing, but is. Disable it with the 
forget-me-stick for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118950 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 00:25:06 +00:00
Wesley Peck
24d06f2be5 1. Adding missing immediate mode asm parser test cases. 
2. Fixing improper immediate mode reverse subtract.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118948 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 00:03:46 +00:00
Wesley Peck
8bfdd87714 Fixing improperly encoded reverse subtract instructions in MBlaze backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118943 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 23:41:10 +00:00
Wesley Peck
41400da31e 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118941 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 23:30:17 +00:00
Evan Cheng
875a6ac09a Add conditional mvn instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118935 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 22:42:47 +00:00
Owen Anderson
5de6d841a5 First stab at providing correct Thumb2 encodings, start with adc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118924 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 21:12:40 +00:00
Evan Cheng
529916ca4a 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118922 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 20:32:20 +00:00
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