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11471 Commits

Author SHA1 Message Date
Chris Lattner
3e135493e9 remove a pointless testcase. 
llvm-svn: 119119
 2010-11-15 05:07:03 +00:00
Chris Lattner
7743db8f20 remove some extraneous quotes to make the new instprinter match. 
llvm-svn: 119104
 2010-11-15 02:43:46 +00:00
Rafael Espindola
5572cb1aed Move the logic to decide with which symbol we produce a relocation (if any) to 
a central location. This also makes us a bit more compatible with gas.

llvm-svn: 119094
 2010-11-14 23:53:26 +00:00
Chris Lattner
8cb5c07514 add some nounwind's. 
llvm-svn: 119086
 2010-11-14 22:22:14 +00:00
Rafael Espindola
59a93284d7 Fix another case of a .comm directive without a corresponding .type 
directive.

llvm-svn: 119073
 2010-11-14 21:11:16 +00:00
Rafael Espindola
1884e6d475 Fix the type of a symbol created with .comm and no corresponding .type. 
llvm-svn: 119060
 2010-11-14 19:40:55 +00:00
Dale Johannesen
05a7c613fa Segregate tests by target. 
llvm-svn: 119050
 2010-11-14 18:14:32 +00:00
Duncan Sands
617030ad18 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).

llvm-svn: 119043
 2010-11-14 13:30:18 +00:00
Chris Lattner
7ade54ed02 rename test. 
llvm-svn: 119033
 2010-11-14 07:03:49 +00:00
Chris Lattner
9b45357c09 filecheckize, remove an old and useless test 
llvm-svn: 119032
 2010-11-14 07:03:38 +00:00
Chris Lattner
449c3bd7b5 this test is pretty pointless and "propogation" isn't a word (or so Misha claims). 
llvm-svn: 119031
 2010-11-14 07:02:03 +00:00
Rafael Espindola
444d9c0b02 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.

llvm-svn: 119026
 2010-11-14 04:17:37 +00:00
Duncan Sands
47dddbe925 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

llvm-svn: 119009
 2010-11-13 21:33:19 +00:00
Peter Collingbourne
4ec6b2dbe7 Recognise 32-bit ror-based bswap implementation used by uclibc 
llvm-svn: 119007
 2010-11-13 19:54:30 +00:00
Duncan Sands
88fc6cd7fe 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).

llvm-svn: 119002
 2010-11-13 15:10:37 +00:00
Wesley Peck
4a2644f203 Fixed error and re-enabled MBlaze MC disassembler tests. 
llvm-svn: 118987
 2010-11-13 05:48:21 +00:00
Rafael Espindola
9cd0fd30e0 Parse and record the gnu_unique_object type. 
llvm-svn: 118980
 2010-11-13 04:51:02 +00:00
Dale Johannesen
7a2e75185a 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.

llvm-svn: 118977
 2010-11-13 03:55:04 +00:00
Rafael Espindola
00c5605efc 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.

llvm-svn: 118975
 2010-11-13 03:18:27 +00:00
Wesley Peck
5c8b28f1fe Add test cases that should have been committed with 118969. 
llvm-svn: 118974
 2010-11-13 02:51:00 +00:00
Wesley Peck
c534d55751 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.

llvm-svn: 118969
 2010-11-13 02:37:59 +00:00
Evan Cheng
a7d3c3d387 Add conditional move of large immediate. 
llvm-svn: 118968
 2010-11-13 02:25:14 +00:00
Rafael Espindola
e296fd654b Fix the encoding of negative line deltas. 
llvm-svn: 118962
 2010-11-13 01:06:27 +00:00
Daniel Dunbar
95f870ece4 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.

llvm-svn: 118952
 2010-11-13 00:28:01 +00:00
Evan Cheng
a08372d4b4 Fix an obvious typo which inverted an immediate. 
llvm-svn: 118951
 2010-11-13 00:27:47 +00:00
Eric Christopher
ba758d0df4 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
28f124b047 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
f11db049fe Fixing improperly encoded reverse subtract instructions in MBlaze backend. 
llvm-svn: 118943
 2010-11-12 23:41:10 +00:00
Wesley Peck
be71f5db40 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
19f018a1be Add conditional mvn instructions. 
llvm-svn: 118935
 2010-11-12 22:42:47 +00:00
Owen Anderson
f1ffc8fdc9 First stab at providing correct Thumb2 encodings, start with adc. 
llvm-svn: 118924
 2010-11-12 21:12:40 +00:00
Evan Cheng
b565d1acf9 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
2a70c4e38a 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
a2f5bd63ff Emacs auto-fill bug. 
llvm-svn: 118908
 2010-11-12 18:17:46 +00:00
Andrew Trick
e5e40ec069 Test case for PR8287: SD scheduling time. Fixed in r118904. 
llvm-svn: 118906
 2010-11-12 17:57:22 +00:00
Chris Lattner
612039e538 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
dc54b2b285 gnu as support both % and @ before types, do the same. 
llvm-svn: 118893
 2010-11-12 15:47:08 +00:00
Kalle Raiskila
f89d0d0389 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
bc5a716f10 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
2cf0e523cb Filecheckize. 
llvm-svn: 118874
 2010-11-12 02:02:39 +00:00
Bruno Cardoso Lopes
37f2439cbd Enable mips32 mul instruction. Patch by Akira Hatanaka <ahatanaka@mips.com> 
llvm-svn: 118864
 2010-11-12 00:38:32 +00:00
Owen Anderson
85cf1b8ff5 Fill out support for Thumb2 encodings of NEON instructions. 
llvm-svn: 118854
 2010-11-11 23:12:55 +00:00
Wesley Peck
0e937ae80d 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
0913dac245 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
b20b7d2ec2 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
7fda1a6efd Flesh out tests for Thumb2 encodings of NEON instructions. 
llvm-svn: 118837
 2010-11-11 21:15:47 +00:00
Dan Gohman
139b090e0e Delete unneeded ssp attributes. 
llvm-svn: 118836
 2010-11-11 21:08:46 +00:00
Owen Anderson
f43f09f6f6 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
1725702868 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
8555d32c9e Initial comdat implementation. 
llvm-svn: 118805
 2010-11-11 18:13:52 +00:00