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20363 Commits

Author SHA1 Message Date
Devang Patel
f476e8e7ce Refactor code in a separate method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42590 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 21:16:08 +00:00
Chris Lattner
116c3219df Add initial iterator support for folding set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42589 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 21:12:09 +00:00
Chris Lattner
9a7288b0c6 Simplify implementation of the FoldingSet circular list, a necessary step 
to giving it iterators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42586 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 20:45:43 +00:00
Dan Gohman
cb406c2597 Use empty() member functions when that's what's being tested for instead 
of comparing begin() and end().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42585 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 19:26:29 +00:00
Dan Gohman
2bb7d0647e Fix a using namespace llvm; in a header file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42584 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 19:04:09 +00:00
Dale Johannesen
5a2174febf Tone down an overzealous optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42582 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 17:45:27 +00:00
Chris Lattner
fce5cfe190 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42579 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 17:10:03 +00:00
Tanya Lattner
088b5913ef Fix PR1719, by not marking llvm.global.annotations internal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42578 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 17:05:40 +00:00
Neil Booth
b7dea4cb36 Tweak RoundAwayFromZero the bit number below which is truncated, and make 
it const.

Preparation for APFloat -> hexadecimal string conversion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42576 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 15:16:41 +00:00
Chris Lattner
e1bb6ab7b0 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42573 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 06:10:59 +00:00
Chris Lattner
bd14f58b76 Fix PR1719, by not marking llvm.noinline internal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42565 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 03:59:15 +00:00
Chris Lattner
67a1af9709 Bill's example is still not enough to repro this, but it has other issues that 
seem significant as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42564 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 03:40:24 +00:00
Owen Anderson
471ab54df7 Factor some code from the DomTree and PostDomTree calculate methods up into 
each one's runOnFunction method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42563 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-03 03:20:17 +00:00
Bill Wendling
7687bd0b2b Another micro-opt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42554 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-02 21:49:31 +00:00
Bill Wendling
2bb6d459e6 Another missed optimization with LICM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42552 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-02 21:43:06 +00:00
Bill Wendling
892d392905 Small label changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42549 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-02 21:02:53 +00:00
Bill Wendling
6dbb1b59ae Now with source code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42548 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-02 21:01:16 +00:00
Bill Wendling
8d1c8ce3d8 Now with LL code! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42547 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-02 20:54:32 +00:00
Bill Wendling
6aab4910cd Another missed optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42546 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-02 20:42:59 +00:00
Bill Wendling
c720279ac7 Micro-optimization -- missed LICM opportunity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42542 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-02 19:55:05 +00:00
Dale Johannesen
9ab7fb3ba4 Rewrite sqrt and powi to use anyfloat. By popular demand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42537 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-02 17:43:59 +00:00
Evan Cheng
7f3394f379 Refactor code to add load / store folded instructions -> register only 
instructions reverse map.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42509 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-01 23:44:33 +00:00
Dale Johannesen
a7ac2bd407 Fix stride computations for long double arrays. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42508 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-01 23:08:35 +00:00
Dan Gohman
d57c3884af Move the code that emits the .file directives so that it runs after the 
SourceFiles list is fully filled in so that it sees all of the files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42506 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-01 22:40:20 +00:00
Evan Cheng
450ff01faf Remove simple scheduler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42499 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-01 20:44:07 +00:00
Devang Patel
bc2265abe1 Relax unsafe use check. If there is one unconditional use inside the loop then it is safe to promote value even if there is another conditional use inside the loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42493 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-01 18:12:58 +00:00
Evan Cheng
fef922a4d5 Typo. X86comi doesn't read / write chain's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42492 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-01 18:12:48 +00:00
Dale Johannesen
3b5b4cd1a5 Add getABITypeSize, getABITypeSizeInBits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42488 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-01 16:03:14 +00:00
Dale Johannesen
d89b117850 remove dup comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42486 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-30 19:08:12 +00:00
Dale Johannesen
88216af3ea Constant fold int-to-long-double conversions; 
use APFloat for int-to-float/double; use
round-to-nearest for these (implementation-defined,
seems to match gcc).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42484 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-30 18:19:03 +00:00
Dale Johannesen
cce23a4c35 Simplify and fix signed int -> FP conversions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42483 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-30 18:17:01 +00:00
Gordon Henriksen
cd8bc05102 AsmPrinters overriding getAnalysisUsage should call super. 
And not super's super, either.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42482 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-30 13:39:29 +00:00
Owen Anderson
ab528fe0fb Template-ize more of the DomTree internal implementation details. Only the calculate() methods for DomTree and PostDomTree remain to be merged/template-ized. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42476 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-30 04:17:16 +00:00
Chris Lattner
be207738d3 Add a new DenseSet abstraction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42474 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-30 00:47:20 +00:00
Duncan Sands
f51edadfe8 Check that the second parameter of init_trampoline 
can be resolved to a function.  This is required
for codegen and used by instcombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42469 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-29 16:25:54 +00:00
Gordon Henriksen
078f5e1875 This is done already. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42467 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-29 02:23:08 +00:00
Gordon Henriksen
364caf0e19 Collector is the base class for garbage collection code generators. 
This version enhances the previous patch to add root initialization
as discussed here:

http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070910/053455.html

Collector gives its subclasses control over generic algorithms:

  unsigned NeededSafePoints; //< Bitmask of required safe points.
  bool CustomReadBarriers;   //< Default is to insert loads.
  bool CustomWriteBarriers;  //< Default is to insert stores.
  bool CustomRoots;          //< Default is to pass through to backend.
  bool InitRoots;            //< If set, roots are nulled during lowering.

It also has callbacks which collectors can hook:

  /// If any of the actions are set to Custom, this is expected to
  /// be overriden to create a transform to lower those actions to
  /// LLVM IR.
  virtual Pass *createCustomLoweringPass() const;

  /// beginAssembly/finishAssembly - Emit module metadata as
  /// assembly code.
  virtual void beginAssembly(Module &M, std::ostream &OS,
                             AsmPrinter &AP,
                             const TargetAsmInfo &TAI) const;
  virtual void finishAssembly(Module &M,
                              CollectorModuleMetadata &CMM,
                              std::ostream &OS, AsmPrinter &AP,
                              const TargetAsmInfo &TAI) const;  

Various other independent algorithms could be implemented, but were
not necessary for the initial two collectors. Some examples are
listed here:

http://llvm.org/docs/GarbageCollection.html#collector-algos


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42466 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-29 02:13:43 +00:00
Gordon Henriksen
d070d1e56f Demoting CHelpers.h to include/llvm/Support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42465 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-29 01:38:42 +00:00
Daniel Berlin
336c6c0486 Switch to densemap rather than std::set 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42462 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-29 00:50:40 +00:00
Evan Cheng
e5f6204cd5 Enabling new condition code modeling scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42459 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-29 00:00:36 +00:00
Dan Gohman
9fe4662d9a Teach SplitVectorOp how to split INSERT_VECTOR_ELT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42457 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 23:53:40 +00:00
Evan Cheng
22a529990b If two instructions are both two-address code, favors (schedule closer to 
terminator) the one that has a CopyToReg use. This fixes
2006-05-11-InstrSched.ll with -new-cc-modeling-scheme.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42453 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 22:32:30 +00:00
Chris Lattner
6745458195 really fix PR1581, thanks to Daniel Dunbar for pointing 
this out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42448 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 20:50:50 +00:00
Chris Lattner
d7c4ca1009 Make Value::getNameLen not crash on an empty name, fixing PR1712. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42444 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 20:09:40 +00:00
Evan Cheng
ddde335cb7 Remove a poor scheduling heuristic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42443 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 19:37:35 +00:00
Evan Cheng
74d2fd8dd8 Trim some unneeded fields. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42442 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 19:24:24 +00:00
Dale Johannesen
72292f0712 Fix long double -> uint64 conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42440 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 18:44:17 +00:00
Dale Johannesen
4292d1c02a minor long double related changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42439 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 18:06:58 +00:00
Dan Gohman
9fda5be36b Make the checks for DW_FORM_data4 consistent with the others, and 
add more such code for DIEDwarfLabel::SizeOf and DIEObjectLabel::SizeOf.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42435 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 16:50:28 +00:00
Dan Gohman
06ff4e67c4 Use 32-bit data directives for DW_FORM_data4 format data, even on 
targets with 64-bit addresses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42434 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 15:43:33 +00:00
Rafael Espindola
068317bfa3 Refactor the memcpy lowering for the x86 target. 
The only generated code difference is that now we call memcpy when
the size of the array is unknown. This matches GCC behavior and is
better since the run time value can be arbitrarily large.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42433 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 12:53:01 +00:00
Evan Cheng
fa00feb7f8 Stop inventing new words. :-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42429 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 01:35:02 +00:00
Owen Anderson
2824121cf1 Remove unneeded #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42428 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 01:25:07 +00:00
Owen Anderson
303f47b1dd Have PostDomTree use the newly templated DFSPass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42427 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 01:23:47 +00:00
Evan Cheng
8decf6bc18 Pessimisively assume ADJCALLSTACKDOWN / ADJCALLSTACKUP (which becomes sub / add) clobbers EFLAGS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42426 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 01:19:48 +00:00
Dale Johannesen
317096ab37 Add sqrt and powi intrinsics for long double. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42423 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 01:08:20 +00:00
Dale Johannesen
ef0ab932ef Don't do SRA for unions with long double fields. 
Fixes a SWB crash.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42422 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 00:21:38 +00:00
Owen Anderson
58ec8825d4 Convert DFSPass into a templated friend function, in preparation for making it common to DomTree and PostDomTree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42420 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 23:23:00 +00:00
Dan Gohman
82482944ed TargetAsmInfo::getAddressSize() was incorrect for x86-64 and 64-bit targets 
other than PPC64. Instead of fixing it, just remove it and fix all the
places that use it to use TargetData::getPointerSize() instead, as there
aren't very many. Most of the references were in DwarfWriter.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42419 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 23:12:31 +00:00
Gordon Henriksen
fc3282221f CollectorMetadata abstractly describes stack maps for a function. 
It includes:

 - location and of each safe point in machine code (identified by a
   label)
 - location of each root within the stack frame (identified by an
   offset), including the metadata tag provided to llvm.gcroot in
   the user program
 - size of the stack frame (for collectors which want to cheat on
   stack crawling :)
 - and eventually will include liveness

It is to be populated by back-ends during code-generation.

CollectorModuleMetadata aggregates this information across the
entire module.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42418 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 22:18:46 +00:00
Evan Cheng
3f2d9ec186 Use GR64 in 64-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42417 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 21:50:05 +00:00
Gordon Henriksen
d9900c9442 My previous Registry.h header, as well as Collectors.h, which is the 
registry for dynamically-loaded garbage collection compiler plugins.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42415 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 19:34:27 +00:00
Evan Cheng
1ed37fdb3b Doh. Calls clobber EFLAGS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42413 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 19:01:55 +00:00
Evan Cheng
cd1c00cc65 Avoid inserting a live register more than once. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42410 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 18:46:06 +00:00
Daniel Berlin
c7a12ae24a Ignore redundant constraints 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42397 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 15:42:23 +00:00
Nick Lewycky
9a2f93121b Build the correct range for loops with unusual bounds. Fix from Jay Foad. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42394 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 14:12:54 +00:00
Evan Cheng
64f638df56 Silence a compiler warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42389 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 07:35:39 +00:00
Evan Cheng
2dc7a0e075 Boogs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42388 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 07:29:27 +00:00
Evan Cheng
a2ee2756f7 Be smarter about which node to force schedule. Reduce # of duplications + copies; Added statistics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42387 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 07:09:03 +00:00
Evan Cheng
6e4c46cea5 Backtracking only when it won't create a cycle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42384 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 00:25:29 +00:00
Dale Johannesen
693717fbe6 Make temporaries explicit to avoid premature 
destruction of compiler-created ones.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42383 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 23:20:33 +00:00
Evan Cheng
42d60274ea - Move getPhysicalRegisterRegClass() from ScheduleDAG to MRegisterInfo. 
- Added ability to emit cross class register copies to the BBRU scheduler.
- More aggressive backtracking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42375 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:36:17 +00:00
Neil Booth
4f88170be0 Whitespace and compiler warning cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42373 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:33:42 +00:00
Evan Cheng
ff11026575 - Added MRegisterInfo::getCrossCopyRegClass() hook. For register classes where reg to reg copies are not possible, this returns another register class which registers in the specified register class can be copied to (and copy back from). 
- X86 copyRegToReg() now supports copying between EFLAGS and GR32 / GR64 registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42372 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:31:07 +00:00
Evan Cheng
bf4f89dc00 Some assemblers do not recognize aliases pushfd, pushfq, popfd, and popfq. Just emit them as pushf and popf. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42371 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:28:00 +00:00
Dale Johannesen
2f42901dff Enable codegen for long double abs, sin, cos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42368 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:10:55 +00:00
Gordon Henriksen
46abf91f73 Added C and Ocaml bindings for functions, basic blocks, and 
instruction creation. No support yet for instruction introspection.

Also eliminated allocas from the Ocaml bindings for portability,
and avoided unnecessary casts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42367 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 20:56:12 +00:00
Dale Johannesen
f41db2136f Fix f80 UNDEF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42359 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 17:26:49 +00:00
Evan Cheng
8d5562be30 Typos: POPQ -> POPFQ, POPD -> POPFD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42348 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:38:29 +00:00
Chris Lattner
1efa1696e3 move PR1160 here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42347 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:29:31 +00:00
Evan Cheng
9efce638d3 Allow copyRegToReg to emit cross register classes copies. 
Tested with "make check"!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42346 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:25:56 +00:00
Chris Lattner
61001b8bd4 move PR1264 here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42345 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:15:48 +00:00
Evan Cheng
2f245ba572 Add pushf{d|q}, popf{d|q} to push and pop EFLAGS register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42335 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 01:29:06 +00:00
Evan Cheng
1a35edba13 translateX86CC updates the last two operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42333 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 00:45:55 +00:00
Anton Korobeynikov
29be8486e3 Correctly restore stack pointer after realignment in main() on Cygwin/Mingw32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42332 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 00:13:34 +00:00
Dale Johannesen
350add8f51 Remove no-longer-used variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42329 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 23:32:20 +00:00
Dale Johannesen
0edc47ad7b Make APFloat->int conversions deterministic even in 
cases with undefined behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42328 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 23:07:07 +00:00
Evan Cheng
fdd0837448 Missing load / store folding entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42323 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 22:10:43 +00:00
Anton Korobeynikov
2fe1259d0a Partly revert invalid r41774 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 21:52:30 +00:00
Dan Gohman
677ccc6e8b More explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42316 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 20:27:06 +00:00
Duncan Sands
2a3876d885 Add a newline to the end of this file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42314 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 20:08:48 +00:00
Dan Gohman
b94fc1bcb2 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42313 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 19:37:26 +00:00
Evan Cheng
4e4d2d7d9a New style x87 cmp instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42312 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 19:08:02 +00:00
Devang Patel
a6dff2faeb Handle multiple induction variables. 
This fixes PR714.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42309 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 18:24:48 +00:00
Dan Gohman
a37c9f7506 When both x/y and x%y are needed (x and y both scalar integer), compute 
both results with a single div or idiv instruction. This uses new X86ISD
nodes for DIV and IDIV which are introduced during the legalize phase
so that the SelectionDAG's CSE can automatically eliminate redundant
computations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42308 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 18:23:27 +00:00
Devang Patel
798b4afd48 Do not reserve DOM check for GetElementPtrInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42306 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 17:55:50 +00:00
Devang Patel
1c01350f0f doh.. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42300 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 17:43:08 +00:00
Devang Patel
453a844128 Add transformation to update loop interation space. Now, 
for (i=A; i<N; i++) {
  if (i < X && i > Y)
    do_something();
}

is transformed into

U=min(N,X); L=max(A,Y);
for (i=L;i<U;i++)
  do_somethihg();                            



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42299 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 17:31:19 +00:00
Dale Johannesen
902ff94aff Fix long double<->shorter FP type conversions 
of zero, infinity, and NaNs.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42298 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 17:25:00 +00:00
Dan Gohman
c3b0b5ca1d Move the setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand) and 
the check to see if the assembler supports .loc from X86TargetLowering
into the superclass TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42297 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 15:10:49 +00:00