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20226 Commits

Author SHA1 Message Date
Devang Patel
1e2cced8b9 Refactor code in a separate method. 
llvm-svn: 42590
 2007-10-03 21:16:08 +00:00
Chris Lattner
de233151af Add initial iterator support for folding set. 
llvm-svn: 42589
 2007-10-03 21:12:09 +00:00
Chris Lattner
8955442092 Simplify implementation of the FoldingSet circular list, a necessary step 
to giving it iterators.

llvm-svn: 42586
 2007-10-03 20:45:43 +00:00
Dan Gohman
30ba45b569 Use empty() member functions when that's what's being tested for instead 
of comparing begin() and end().

llvm-svn: 42585
 2007-10-03 19:26:29 +00:00
Dan Gohman
b278232a22 Fix a using namespace llvm; in a header file. 
llvm-svn: 42584
 2007-10-03 19:04:09 +00:00
Dale Johannesen
529cc16893 Tone down an overzealous optimization. 
llvm-svn: 42582
 2007-10-03 17:45:27 +00:00
Chris Lattner
a31fa80185 add a note 
llvm-svn: 42579
 2007-10-03 17:10:03 +00:00
Tanya Lattner
1400027d41 Fix PR1719, by not marking llvm.global.annotations internal. 
llvm-svn: 42578
 2007-10-03 17:05:40 +00:00
Neil Booth
1e709921bc 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
17feaa781c add a note 
llvm-svn: 42573
 2007-10-03 06:10:59 +00:00
Chris Lattner
21b1f72d4c Fix PR1719, by not marking llvm.noinline internal. 
llvm-svn: 42565
 2007-10-03 03:59:15 +00:00
Chris Lattner
dfcb750656 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
91e23d710c 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
c5fbf331ff Another micro-opt. 
llvm-svn: 42554
 2007-10-02 21:49:31 +00:00
Bill Wendling
c4a53b617f Another missed optimization with LICM. 
llvm-svn: 42552
 2007-10-02 21:43:06 +00:00
Bill Wendling
36f033e53e Small label changes. 
llvm-svn: 42549
 2007-10-02 21:02:53 +00:00
Bill Wendling
a7d5c36215 Now with source code. 
llvm-svn: 42548
 2007-10-02 21:01:16 +00:00
Bill Wendling
0159f0c5ba Now with LL code! 
llvm-svn: 42547
 2007-10-02 20:54:32 +00:00
Bill Wendling
48c27bf598 Another missed optimization. 
llvm-svn: 42546
 2007-10-02 20:42:59 +00:00
Bill Wendling
5e50716a6b Micro-optimization -- missed LICM opportunity. 
llvm-svn: 42542
 2007-10-02 19:55:05 +00:00
Dale Johannesen
a4e3643cb3 Rewrite sqrt and powi to use anyfloat. By popular demand. 
llvm-svn: 42537
 2007-10-02 17:43:59 +00:00
Evan Cheng
3537dbbd1e 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
d94f00234f Fix stride computations for long double arrays. 
llvm-svn: 42508
 2007-10-01 23:08:35 +00:00
Dan Gohman
d3dfb76a43 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
d1a77589e9 Remove simple scheduler. 
llvm-svn: 42499
 2007-10-01 20:44:07 +00:00
Devang Patel
42f006a51a 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
c863779cd4 Typo. X86comi doesn't read / write chain's. 
llvm-svn: 42492
 2007-10-01 18:12:48 +00:00
Dale Johannesen
ef488c7b0e Add getABITypeSize, getABITypeSizeInBits 
llvm-svn: 42488
 2007-10-01 16:03:14 +00:00
Dale Johannesen
aa97ad6250 remove dup comment 
llvm-svn: 42486
 2007-09-30 19:08:12 +00:00
Dale Johannesen
2a0b2ab2fc 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
4b203b8e44 Simplify and fix signed int -> FP conversions. 
llvm-svn: 42483
 2007-09-30 18:17:01 +00:00
Gordon Henriksen
9b5a117d01 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
09ba812a80 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
1654385fd0 Add a new DenseSet abstraction. 
llvm-svn: 42474
 2007-09-30 00:47:20 +00:00
Duncan Sands
5e73fe090a 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
822397fb31 This is done already. 
llvm-svn: 42467
 2007-09-29 02:23:08 +00:00
Gordon Henriksen
2b019da6b0 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
b3d98e2023 Demoting CHelpers.h to include/llvm/Support. 
llvm-svn: 42465
 2007-09-29 01:38:42 +00:00
Daniel Berlin
90642519e9 Switch to densemap rather than std::set 
llvm-svn: 42462
 2007-09-29 00:50:40 +00:00
Evan Cheng
f3c130a8b6 Enabling new condition code modeling scheme. 
llvm-svn: 42459
 2007-09-29 00:00:36 +00:00
Dan Gohman
02f80006f8 Teach SplitVectorOp how to split INSERT_VECTOR_ELT. 
llvm-svn: 42457
 2007-09-28 23:53:40 +00:00
Evan Cheng
1a48cdc61e 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
920bede750 really fix PR1581, thanks to Daniel Dunbar for pointing 
this out.

llvm-svn: 42448
 2007-09-28 20:50:50 +00:00
Chris Lattner
14442c9a4d Make Value::getNameLen not crash on an empty name, fixing PR1712. 
llvm-svn: 42444
 2007-09-28 20:09:40 +00:00
Evan Cheng
2fca1e4f84 Remove a poor scheduling heuristic. 
llvm-svn: 42443
 2007-09-28 19:37:35 +00:00
Evan Cheng
71904c241e Trim some unneeded fields. 
llvm-svn: 42442
 2007-09-28 19:24:24 +00:00
Dale Johannesen
8660e0ed82 Fix long double -> uint64 conversion. 
llvm-svn: 42440
 2007-09-28 18:44:17 +00:00
Dale Johannesen
a30678c8f0 minor long double related changes 
llvm-svn: 42439
 2007-09-28 18:06:58 +00:00
Dan Gohman
cf40e00d32 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
8e1513ad66 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