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20221 Commits

Author SHA1 Message Date
Dale Johannesen 9d559cfff5 Tone down an overzealous optimization. 
llvm-svn: 42582
 2007-10-03 17:45:27 +00:00
Chris Lattner 4bdb84fe53 add a note 
llvm-svn: 42579
 2007-10-03 17:10:03 +00:00
Tanya Lattner 30f65fe4a7 Fix PR1719, by not marking llvm.global.annotations internal. 
llvm-svn: 42578
 2007-10-03 17:05:40 +00:00
Neil Booth 1ca1f80b38 Tweak RoundAwayFromZero the bit number below which is truncated, and make 
it const.

Preparation for APFloat -> hexadecimal string conversion.

llvm-svn: 42576
 2007-10-03 15:16:41 +00:00
Chris Lattner 4d4e9cdb62 add a note 
llvm-svn: 42573
 2007-10-03 06:10:59 +00:00
Chris Lattner d66e0cd6c0 Fix PR1719, by not marking llvm.noinline internal. 
llvm-svn: 42565
 2007-10-03 03:59:15 +00:00
Chris Lattner 21ba176c4b Bill's example is still not enough to repro this, but it has other issues that 
seem significant as well.

llvm-svn: 42564
 2007-10-03 03:40:24 +00:00
Owen Anderson b60f254975 Factor some code from the DomTree and PostDomTree calculate methods up into 
each one's runOnFunction method.

llvm-svn: 42563
 2007-10-03 03:20:17 +00:00
Bill Wendling 3efc0758ae Another micro-opt. 
llvm-svn: 42554
 2007-10-02 21:49:31 +00:00
Bill Wendling f214ff8701 Another missed optimization with LICM. 
llvm-svn: 42552
 2007-10-02 21:43:06 +00:00
Bill Wendling 855011e5c6 Small label changes. 
llvm-svn: 42549
 2007-10-02 21:02:53 +00:00
Bill Wendling 4eb7ca4b4c Now with source code. 
llvm-svn: 42548
 2007-10-02 21:01:16 +00:00
Bill Wendling 96ed3bb2d4 Now with LL code! 
llvm-svn: 42547
 2007-10-02 20:54:32 +00:00
Bill Wendling 9c4d61b523 Another missed optimization. 
llvm-svn: 42546
 2007-10-02 20:42:59 +00:00
Bill Wendling 88ea107fdb Micro-optimization -- missed LICM opportunity. 
llvm-svn: 42542
 2007-10-02 19:55:05 +00:00
Dale Johannesen 4d4e77af8e Rewrite sqrt and powi to use anyfloat. By popular demand. 
llvm-svn: 42537
 2007-10-02 17:43:59 +00:00
Evan Cheng 1f79ba6fe6 Refactor code to add load / store folded instructions -> register only 
instructions reverse map.

llvm-svn: 42509
 2007-10-01 23:44:33 +00:00
Dale Johannesen b6c05b1f90 Fix stride computations for long double arrays. 
llvm-svn: 42508
 2007-10-01 23:08:35 +00:00
Dan Gohman 9765cc3bbb 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.

llvm-svn: 42506
 2007-10-01 22:40:20 +00:00
Evan Cheng a3a67596f6 Remove simple scheduler. 
llvm-svn: 42499
 2007-10-01 20:44:07 +00:00
Devang Patel 2a60ff1aeb 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. 
llvm-svn: 42493
 2007-10-01 18:12:58 +00:00
Evan Cheng a1b7e95039 Typo. X86comi doesn't read / write chain's. 
llvm-svn: 42492
 2007-10-01 18:12:48 +00:00
Dale Johannesen 28e19a48ce Add getABITypeSize, getABITypeSizeInBits 
llvm-svn: 42488
 2007-10-01 16:03:14 +00:00
Dale Johannesen c0855f8a88 remove dup comment 
llvm-svn: 42486
 2007-09-30 19:08:12 +00:00
Dale Johannesen 9150652b21 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).

llvm-svn: 42484
 2007-09-30 18:19:03 +00:00
Dale Johannesen 28a2c4a9c4 Simplify and fix signed int -> FP conversions. 
llvm-svn: 42483
 2007-09-30 18:17:01 +00:00
Gordon Henriksen 0b7cf862bc AsmPrinters overriding getAnalysisUsage should call super. 
And not super's super, either.

llvm-svn: 42482
 2007-09-30 13:39:29 +00:00
Owen Anderson 46ade4eb9b Template-ize more of the DomTree internal implementation details. Only the calculate() methods for DomTree and PostDomTree remain to be merged/template-ized. 
llvm-svn: 42476
 2007-09-30 04:17:16 +00:00
Chris Lattner 18a9273e61 Add a new DenseSet abstraction. 
llvm-svn: 42474
 2007-09-30 00:47:20 +00:00
Duncan Sands f72ff0c379 Check that the second parameter of init_trampoline 
can be resolved to a function.  This is required
for codegen and used by instcombine.

llvm-svn: 42469
 2007-09-29 16:25:54 +00:00
Gordon Henriksen f5aa229ede This is done already. 
llvm-svn: 42467
 2007-09-29 02:23:08 +00:00
Gordon Henriksen 37ca83d4e9 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

llvm-svn: 42466
 2007-09-29 02:13:43 +00:00
Gordon Henriksen 6547e5a2bc Demoting CHelpers.h to include/llvm/Support. 
llvm-svn: 42465
 2007-09-29 01:38:42 +00:00
Daniel Berlin 342181c51d Switch to densemap rather than std::set 
llvm-svn: 42462
 2007-09-29 00:50:40 +00:00
Evan Cheng 5fb5a1f389 Enabling new condition code modeling scheme. 
llvm-svn: 42459
 2007-09-29 00:00:36 +00:00
Dan Gohman a90183e7d1 Teach SplitVectorOp how to split INSERT_VECTOR_ELT. 
llvm-svn: 42457
 2007-09-28 23:53:40 +00:00
Evan Cheng a5e595d23a 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.

llvm-svn: 42453
 2007-09-28 22:32:30 +00:00
Chris Lattner 8861abe6f2 really fix PR1581, thanks to Daniel Dunbar for pointing 
this out.

llvm-svn: 42448
 2007-09-28 20:50:50 +00:00
Chris Lattner 2be9ec5c91 Make Value::getNameLen not crash on an empty name, fixing PR1712. 
llvm-svn: 42444
 2007-09-28 20:09:40 +00:00
Evan Cheng f72693f36e Remove a poor scheduling heuristic. 
llvm-svn: 42443
 2007-09-28 19:37:35 +00:00
Evan Cheng 038dcc5136 Trim some unneeded fields. 
llvm-svn: 42442
 2007-09-28 19:24:24 +00:00
Dale Johannesen 789b5a505b Fix long double -> uint64 conversion. 
llvm-svn: 42440
 2007-09-28 18:44:17 +00:00
Dale Johannesen 6bf69ed3cc minor long double related changes 
llvm-svn: 42439
 2007-09-28 18:06:58 +00:00
Dan Gohman 25d506c41b Make the checks for DW_FORM_data4 consistent with the others, and 
add more such code for DIEDwarfLabel::SizeOf and DIEObjectLabel::SizeOf.

llvm-svn: 42435
 2007-09-28 16:50:28 +00:00
Dan Gohman 0d23d63b9e Use 32-bit data directives for DW_FORM_data4 format data, even on 
targets with 64-bit addresses.

llvm-svn: 42434
 2007-09-28 15:43:33 +00:00
Rafael Espindola 6c04ac1db0 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.

llvm-svn: 42433
 2007-09-28 12:53:01 +00:00
Evan Cheng 1f516560d1 Stop inventing new words. :-) 
llvm-svn: 42429
 2007-09-28 01:35:02 +00:00
Owen Anderson d0d5c11d18 Remove unneeded #include. 
llvm-svn: 42428
 2007-09-28 01:25:07 +00:00
Owen Anderson 0fbef94cd0 Have PostDomTree use the newly templated DFSPass. 
llvm-svn: 42427
 2007-09-28 01:23:47 +00:00
Evan Cheng edfc5b2204 Pessimisively assume ADJCALLSTACKDOWN / ADJCALLSTACKUP (which becomes sub / add) clobbers EFLAGS. 
llvm-svn: 42426
 2007-09-28 01:19:48 +00:00