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Author SHA1 Message Date
Dan Gohman
2385e0e22c Create a ScalarEvolution-based AliasAnalysis implementation. 
This is a simple AliasAnalysis implementation which works by making
ScalarEvolution queries. ScalarEvolution has a more complete understanding
of arithmetic than BasicAA's collection of ad-hoc checks, so it handles
some cases that BasicAA misses, for example p[i] and p[i+1] within the
same iteration of a loop.

This is currently experimental. It may be that the main use for this pass
will be to help find cases where BasicAA can be profitably extended, or
to help in the development of the overall AliasAnalysis infrastructure,
however it's also possible that it could grow up to become a directly
useful pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80098 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 14:53:06 +00:00
Dan Gohman
e2cb912039 Fix a missing newline, now that Value's operator<< doesn't add one of its own. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80096 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 14:34:12 +00:00
Dan Gohman
a8c711cb23 Use SetVector instead of std::set so that alias relations are tested and 
printed in a deterministic order.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80095 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 14:32:17 +00:00
Daniel Dunbar
3f6a960f9c llvm-mc/Mach-O: Add support for relocations. 
- I haven't really tried to find the "right" way to store the fixups or apply
   them, yet. This works, but isn't particularly elegant or fast.

 - Still no evaluation support, so we don't actually ever not turn a fixup into
   a relocation entry.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80089 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 13:58:10 +00:00
Daniel Dunbar
be96355694 llvm-mc/Mach-O: Move symbol indices into the MCSymbolData structure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80088 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 13:57:54 +00:00
Daniel Dunbar
6c2e2d1c6b llvm-mc/Mach-O: Dump relocations and section data (optionally) in my Mach-O dumper. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80087 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 13:57:44 +00:00
Daniel Dunbar
a421de11df llvm-mc: Add symbol entries for undefined symbols used in .fill and .org. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80086 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 13:57:37 +00:00
Anton Korobeynikov
cd76128f18 Add dummy inline asm handling for 'r' constraint. This fixes PR4778 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80085 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 13:44:29 +00:00
Andreas Neustifter
3772fb11fe Moved isDeclaration() check further down to allow for function counts for 
declarations if necessary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80084 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 13:33:09 +00:00
Daniel Dunbar
383cbff031 llvm-mc: Change MCContext value table to take const MCSymbol*s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80079 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 09:16:57 +00:00
Daniel Dunbar
d644c32a52 llvm-mc: Make MCValue take const MCSymbol*s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80078 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 09:16:46 +00:00
Daniel Dunbar
b58a804400 llvm-mc: Make non-sensical max bytes to .align an error. 
Also, warn about overflow in alignment values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80077 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 09:16:34 +00:00
Andreas Neustifter
30457f2cab Changed std::cout to outs(), retaining formating. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80076 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 09:05:21 +00:00
Devang Patel
8245988835 Revert 79977. It causes llvm-gcc bootstrap failures on some platforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80073 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 05:01:18 +00:00
Chris Lattner
be1f788676 some mips and some sparc compilers apparently 
predefine mips and sparc respectively.  Just overrule them :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80072 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 05:00:16 +00:00
Venkatraman Govindaraju
765e08d4d5 test commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80070 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 04:50:17 +00:00
Daniel Dunbar
573e53627e llvm-mc: Fix tests for python variations in int printing, sigh. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80069 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 04:28:45 +00:00
Chris Lattner
e1f515ea59 fix some funky indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80068 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 04:21:30 +00:00
Daniel Dunbar
6742e34385 llvm-mc/Mach-O: Add section padding where needed (to align the next section). 
Also, simplify some of Mach-O writer code which can now use section addresses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80067 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 04:13:32 +00:00
Daniel Dunbar
5e835967dd llvm-mc/Mach-O: Set addresses for symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80065 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 02:48:04 +00:00
Dale Johannesen
de86d473fc Add an 'inline hint' attribute to represent source 
code hints that it would be a good idea to inline
a function ("inline" keyword).  No functional change
yet; FEs do not emit this and inliner does not use it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80063 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 01:08:21 +00:00
Devang Patel
8af76bdb74 Add isClosure() predicate. This is used to add DW_AT_APPLE_block attribute. 
Patch by Caroline Tice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80061 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 00:39:50 +00:00
Daniel Dunbar
ad7c3d5593 llvm-mc: Improve indirect symbol support (add the indirect index table). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80059 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 00:18:21 +00:00
Dan Gohman
0084ace949 Remove unused variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80058 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 00:13:22 +00:00
Daniel Dunbar
e1f62b247c llvm-mc: Add MCSection::isDefined() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80057 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 00:10:55 +00:00
Dan Gohman
638d853ef0 Fix the InsertAtEnd form of ShuffleVectorInst constructor to use 
the correct type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80050 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 23:27:45 +00:00
Dan Gohman
1c8a23c440 Eliminate the unused Context argument on one of the ICmpInst and FCmpInst 
constructors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 23:17:54 +00:00
Gabor Greif
2f3fa88a25 revert r78628 and r78803 as these are not needed any more 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80048 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 23:02:21 +00:00
Scott Michel
77f452d1a8 Updated i128 sext support for CellSPU backend, contributed by Ken Werner (IBM) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80042 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 22:37:34 +00:00
Dan Gohman
30f8091963 Use covariant return types for Instruction::clone, and eliminate 
the forms of ExtractElementInst and InsertElementInst that are
equivalent to clone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80041 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 22:29:08 +00:00
Owen Anderson
d8110fb726 Get rid of this horrible "benign race" by exploiting ManagedStatic to initialize 
the array on its first access.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80040 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 22:27:22 +00:00
Dan Gohman
75b0edae72 This should use isIndenticalToWhenDefined. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80039 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 22:24:20 +00:00
Dan Gohman
58cfa3b137 Rename Instruction::isIdenticalTo to Instruction::isIdenticalToWhenDefined, 
and introduce a new Instruction::isIdenticalTo which tests for full
identity, including the SubclassOptionalData flags. Also, fix the
Instruction::clone implementations to preserve the SubclassOptionalData
flags. Finally, teach several optimizations how to handle
SubclassOptionalData correctly, given these changes.

This fixes the counterintuitive behavior of isIdenticalTo not comparing
the full value, and clone not returning an identical clone, as well as
some subtle bugs that could be caused by these.

Thanks to Nick Lewycky for reporting this, and for an initial patch!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80038 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 22:11:20 +00:00
Bill Wendling
415c8cf837 Revert last patch. We need to put this into TargetLowering. There will be a lot 
of EH stuff going into there, so we can wait to add them all then.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80036 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 21:31:39 +00:00
Gabor Greif
2600ca8b3f re-committing yesterday's r79938. 
This time there is no additional include of llvm/Config/config.h
at all. Instead I use a hard-coded preprecessor symbol:
LLVM_COMPACTIFY_SENTINELS

(should this work on the self-hosting buildbot, then
 cleanups come next)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80035 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 21:25:22 +00:00
Daniel Dunbar
0adcd35f78 llvm-mc: Add statistic for number of fragments emitted by the assembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80033 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 21:10:45 +00:00
Bill Wendling
533534a295 Add the #include here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80032 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 21:09:50 +00:00
Chris Lattner
67e7ba8fc2 remove some dead lines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80031 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 21:01:56 +00:00
Bill Wendling
eb2fde2c93 Comment formatting. Removing of unused #include and type forwarding. 
OCD is fun!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80030 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 21:01:42 +00:00
Chris Lattner
447da71345 convert to filecheck style 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80029 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 20:57:38 +00:00
Chris Lattner
0765ce66be convert to filecheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80025 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 20:49:04 +00:00
Bill Wendling
b9e7689c89 Add a target asm info hook to specify that particular bits of data in the FDE 
should be forced to 32-bits (.long) even on 64-bit architectures. Darwin wants
these bits to be 64-bits (.quad). However, other platforms may disagree.

This is just the info right now and is part of a work-in-progress which needs
this. We'll add the actual *use* of this soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80024 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 20:21:17 +00:00
Daniel Dunbar
ee5b680e8c EXIT STAGE LEFT: gccas, gccld 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80023 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 20:21:09 +00:00
Sanjiv Gupta
b9ef7648b8 Start refactoring PIC16 TargetObjectFile code. Eventually, all the stuff from 
PIC16Section will move to MCSectionPIC16.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80021 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 19:39:05 +00:00
Daniel Dunbar
3ff36b7814 Switch abi-isel.ll to FileCheck; it's not much faster, but it now tests a lot 
more and is much nicer to the OS.
 - Dan, please check. If there are parts of the test you think I should strip
   out so it doesn't cause random failures let me know (there are still some PIC
   label numbers in it, for example).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80019 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 18:45:03 +00:00
Dan Gohman
041de42d42 Don't assume that two identical instructions that read from memory 
will always return the same value. This isn't currently necessary,
since this code doesn't currently ever get called under circumstances
where it would matter, but it may some day.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80017 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 17:56:57 +00:00
Bob Wilson
a123239a5f Remove some unused SDNode definitions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80015 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 17:52:39 +00:00
Dan Gohman
26812320b7 Teach ScalarEvolution about GlobalAliases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80014 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 17:49:57 +00:00
Dan Gohman
de05902114 Delete some unnecessary flushes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80013 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 17:48:17 +00:00
Dan Gohman
79b765d057 Use X86II::MO_NO_FLAG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80012 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-25 17:47:44 +00:00