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49241 Commits

Author SHA1 Message Date
Chris Lattner 8e58bc9ed4 put normal data into .data instead of .data.rel on elf systems. 
llvm-svn: 77116
 2009-07-26 03:06:11 +00:00
Daniel Dunbar 4aea2d97c8 Remove unused header 
llvm-svn: 77115
 2009-07-26 02:23:52 +00:00
Daniel Dunbar bc981d8efa Kill Target specific ModuleMatchQuality stuff. 
- This was overkill and inconsistently implemented.

llvm-svn: 77114
 2009-07-26 02:22:58 +00:00
Daniel Dunbar 47d679151b Add TargetRegistry::lookupTarget. 
- This is a simplified mechanism which just looks up a target based on the
   target triple, with a few additional flags.

 - Remove getClosestStaticTargetForModule, the moral equivalent is now:
     lookupTarget(Mod->getTargetTriple, true, false, ...);

 - This no longer does the fuzzy matching with target data (based on endianness
   and pointer width) that getClosestStaticTargetForModule was doing, but this
   was deemed unnecessary.

llvm-svn: 77111
 2009-07-26 02:12:58 +00:00
Chris Lattner 3092b82255 eliminate a pointless switch stmt. 
llvm-svn: 77110
 2009-07-26 01:44:55 +00:00
Chris Lattner 397792d981 finish simplifying DarwinTargetAsmInfo::SelectSectionForGlobal 
for now.  Make the section switching directives more consistent
by not including \n and including \t for them all.

llvm-svn: 77107
 2009-07-26 01:24:18 +00:00
Daniel Dunbar 3c27648eda Some clients rely on getName{Start,End} not returning 0, even if the length is 
0.
 - I could have swore the prev change went through a make check cycle...

llvm-svn: 77106
 2009-07-26 01:04:10 +00:00
Daniel Dunbar 32285942a1 Rewrite getName{Start,End,Len} in terms of getName(), instead of vice-versa. 
llvm-svn: 77105
 2009-07-26 00:51:56 +00:00
Chris Lattner 5b42b45fb9 simplify DarwinTargetAsmInfo::SelectSectionForGlobal a bit 
and make it more aggressive, we now put:

const int G2 __attribute__((weak)) = 42;

into the text (readonly) segment like gcc, previously we put
it into the data (readwrite) segment.

llvm-svn: 77104
 2009-07-26 00:51:36 +00:00
Chris Lattner 26ce308bbf simplify some predicates, add isMergableString() 
llvm-svn: 77103
 2009-07-26 00:50:43 +00:00
Daniel Dunbar a32c999ca2 Simplify. 
llvm-svn: 77102
 2009-07-26 00:42:33 +00:00
Bob Wilson 8a37bbebfd Add support for ARM Neon VREV instructions. 
Patch by Anton Korzh, with some modifications from me.

llvm-svn: 77101
 2009-07-26 00:39:34 +00:00
Daniel Dunbar d786b51ea4 Remove Value::setName(const char*, unsigned). 
llvm-svn: 77100
 2009-07-26 00:34:27 +00:00
Daniel Dunbar 987ec564e7 Remove Value::setName(const char*). 
- Split into a separate patch because there is a slight functionality change,
   it is no longer valid to call setName(0), which was equivalent to
   setName(""). I'm hoping no one depends on this...

llvm-svn: 77099
 2009-07-26 00:17:14 +00:00
Daniel Dunbar e03eecb75f Remove Value::{isName, getNameRef}. 
Also, change MDString to use a StringRef.

llvm-svn: 77098
 2009-07-25 23:55:21 +00:00
Chris Lattner 0af00396a7 make SectionKind be a first-class pod struct instead of just 
an enum.

llvm-svn: 77096
 2009-07-25 23:21:55 +00:00
Reid Kleckner 4b1f2f4779 Added a test and fixed a bug in BumpPtrAllocator relating to large alignment 
values.  Hopefully this fixes PR4622.

llvm-svn: 77088
 2009-07-25 21:26:02 +00:00
Chris Lattner 60f3b73e11 this is (unfortunately) several changes mixed together: 
1. Spell SectionFlags::Writeable as "Writable".
2. Add predicates for deriving SectionFlags from SectionKinds.
3. Sink ELF-specific getSectionPrefixForUniqueGlobal impl into
   ELFTargetAsmInfo.
4. Fix SectionFlagsForGlobal to know that BSS/ThreadBSS has the
   BSS bit set (the real fix for PR4619).
5. Fix isSuitableForBSS to not put globals with explicit sections
   set in BSS (which was the reason #4 wasn't fixed earlier).
6. Remove my previous hack for PR4619.

llvm-svn: 77085
 2009-07-25 18:57:34 +00:00
Chris Lattner 7b5e51091e document some invariants. 
llvm-svn: 77084
 2009-07-25 18:11:58 +00:00
Chris Lattner 2de9510572 add the most expedient hack to fix PR4619, along with a testcase. 
Thanks to Rafael for the great example.

llvm-svn: 77083
 2009-07-25 17:57:37 +00:00
Dan Gohman 3d0b52caf1 Fix a few comments to say "backedge-taken count" instead of 
"trip count".

llvm-svn: 77081
 2009-07-25 16:18:38 +00:00
Dan Gohman ef2ae2c8ee SCEV objects are no longer reference-counted. 
llvm-svn: 77080
 2009-07-25 16:18:07 +00:00
Dan Gohman 83b3b3d144 Update comments to new-style syntax. 
llvm-svn: 77079
 2009-07-25 16:03:55 +00:00
Dan Gohman 534d66a426 When attempting to sign-extend an addrec by interpreting 
the step value as unsigned, the start value and the addrec
itself still need to be treated as signed.

llvm-svn: 77078
 2009-07-25 16:03:30 +00:00
Dan Gohman b7e6a3f527 Remove spurious semicolons. 
llvm-svn: 77077
 2009-07-25 16:00:54 +00:00
Andreas Bolka 8377af0296 Convert DOUT to DEBUG. 
llvm-svn: 77065
 2009-07-25 12:19:58 +00:00
Daniel Dunbar 691a4784db Simplify JIT target selection. 
- Instead of requiring targets to define a JIT quality match function, we just
   have them specify if they support a JIT.

 - Target selection for the JIT just gets the host triple and looks for the best
   target which matches the triple and has a JIT.

llvm-svn: 77060
 2009-07-25 10:09:50 +00:00
Sanjiv Gupta b6ee0b1d9b Mark attributes of return insn correctly. It was being assumed safe to delete in isSafeToDelete (a thing checked-in 76281). 
llvm-svn: 77056
 2009-07-25 07:48:53 +00:00
Chris Lattner fcfbc7bb2c remove this test. It is currently failing because we now emit the string 
on darwin with ".cstring" instead of ".section  __TEXT,__cstring".  They
are the same and the former is better.  Remove this because this is no longer
magic pixie dust in the frontend.

llvm-svn: 77055
 2009-07-25 07:31:51 +00:00
Chris Lattner 47bb37c9d2 eventually we should describe string options in the data structures section 
llvm-svn: 77054
 2009-07-25 07:22:20 +00:00
Chris Lattner 375a3f40af minor tweaks. 
llvm-svn: 77053
 2009-07-25 07:16:59 +00:00
Daniel Dunbar 5680b4f285 Add new helpers for registering targets. 
- Less boilerplate == good.

llvm-svn: 77052
 2009-07-25 06:49:55 +00:00
Daniel Dunbar d43b86d4a4 Finish migrating VMCore to StringRef/Twine based APIs. 
llvm-svn: 77051
 2009-07-25 06:02:13 +00:00
Daniel Dunbar fbea11ae66 Ok, "most clients should be unaffected" was a lie. Add notes on upgrading. 
llvm-svn: 77050
 2009-07-25 05:26:53 +00:00
Daniel Dunbar 4975db6276 Initial update to VMCore to use Twines for string arguments. 
- The only meat here is in Value.{h,cpp} the rest is essential 'const
   std::string &' -> 'const Twine &'.

llvm-svn: 77048
 2009-07-25 04:41:11 +00:00
Eric Christopher 53e1cd7254 Fix 80-col violations. 
llvm-svn: 77045
 2009-07-25 02:45:27 +00:00
Eric Christopher c974225976 Move ExtractElementInst to ::Create instead of new. Update all uses. 
llvm-svn: 77044
 2009-07-25 02:28:41 +00:00
Dan Gohman 6b8677015d Update to new syntax. 
llvm-svn: 77043
 2009-07-25 02:23:48 +00:00
Daniel Dunbar 04bbd9cd34 Rewrite examples to use DEBUG instead of DOUT. 
llvm-svn: 77042
 2009-07-25 01:55:32 +00:00
Evan Cheng ea23c3ba46 80 col violation. 
llvm-svn: 77041
 2009-07-25 01:55:25 +00:00
Dan Gohman 1ddf98ad8e Convert a few more things to use raw_ostream. 
llvm-svn: 77039
 2009-07-25 01:43:01 +00:00
Evan Cheng c1a5cfa9a0 Get rid of a couple of unnecessary getOpcode calls. 
llvm-svn: 77035
 2009-07-25 01:25:08 +00:00
Dan Gohman 62ef6a7f1c Teach ScalarEvolution to make use of no-overflow flags when 
analyzing add recurrences.

llvm-svn: 77034
 2009-07-25 01:22:26 +00:00
Dan Gohman 29f2baf3b3 Convert a few more uses of llvm/Support/Streams.h to raw_ostream. 
llvm-svn: 77033
 2009-07-25 01:13:51 +00:00
Dan Gohman 0b89dff37d Instead of eagerly creating new SCEVs to replace all SCEVs that are 
affected after a PHI node has been analyzed, just remove affected
SCEVs from the Scalars map, so that they'll be (lazily) recreated as
needed. This avoids creating SCEV objects that aren't actually needed.

Also, rewrite the associated def-use walking code to be non-recursive
and to continue traversing past Instructions that don't have an
entry in the Scalars map.

llvm-svn: 77032
 2009-07-25 01:13:03 +00:00
Evan Cheng 3b5791f982 I've lost my mind. PR4572 has not been fixed. 
llvm-svn: 77031
 2009-07-25 01:11:46 +00:00
Dan Gohman 43d19d61d4 Make AliasAnalysis and related classes use 
getAnalysisIfAvailable<TargetData>().

llvm-svn: 77028
 2009-07-25 00:48:42 +00:00
Daniel Dunbar 67395e7c2c One more getName -> getNameStr 
llvm-svn: 77027
 2009-07-25 00:43:31 +00:00
Evan Cheng b2c22f00de Another TODO. 
llvm-svn: 77026
 2009-07-25 00:39:37 +00:00
Jeffrey Yasskin f4e1db1722 Add a missing ilist_node.h #include to SparseBitVector, and add a very short 
test for it. The test is by no means complete, but it tests the problem I was
fixing.

llvm-svn: 77025
 2009-07-25 00:33:57 +00:00