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50 Commits

Author SHA1 Message Date
Tanya Lattner
7bd0aec942 Do not allow a user to set the operand for a constant. 
llvm-svn: 58335
 2008-10-28 17:22:40 +00:00
Gabor Greif
ae2be0f217 Move some documentation from the header file into ProgrammersManual. About to improve. 
llvm-svn: 52360
 2008-06-16 21:06:12 +00:00
Gabor Greif
8617cb5391 op_iterator-ify dropAllReferences 
llvm-svn: 52215
 2008-06-11 11:45:26 +00:00
Gabor Greif
7ccadaaaf9 Suppress warnings about missing placement delete. This should now be std-conformant even if compiled with exceptions on. 
llvm-svn: 51429
 2008-05-22 13:16:42 +00:00
Bill Wendling
1866fa680f Remove warnings about unused parameters and shadowed variables. 
llvm-svn: 51266
 2008-05-19 20:15:12 +00:00
Nate Begeman
253fc69ff3 Move the operator new and operator delete out of line. This fixes an issue with 
operator new() referring to the static initTags function, which has to be in the 
same linkage unit as any file including User.h.

llvm-svn: 51136
 2008-05-15 01:23:11 +00:00
Gabor Greif
49bf1a4cf6 merge of use-diet branch to trunk 
llvm-svn: 50943
 2008-05-10 08:32:32 +00:00
Evan Cheng
d9353009b7 Fix more -Wshorten-64-to-32 warnings. 
llvm-svn: 50659
 2008-05-05 18:30:58 +00:00
Gabor Greif
6c6b8a57f3 API changes for class Use size reduction, wave 1. 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.

llvm-svn: 49277
 2008-04-06 20:25:17 +00:00
Devang Patel
f674975a65 To support multiple return values, now ret instruction supports multiple operands instead of one aggregate operand. 
llvm-svn: 47508
 2008-02-23 00:35:18 +00:00
Chris Lattner
e0b1ee937a Don't attribute in file headers anymore. See llvmdev for the 
discussion of this change.  Boy are my fingers tired. ;-)

llvm-svn: 45411
 2007-12-29 19:59:42 +00:00
Gordon Henriksen
8430f1ff9a Reverting dtor devirtualization patch. 
_sabre_: it has a major problem: by the time ~Value is run, all of the "parts" of the derived classes have been destroyed
_sabre_: the vtable lives to fight another day

llvm-svn: 44760
 2007-12-10 02:14:30 +00:00
Gordon Henriksen
a18a78e6e5 Devirtualizing Value destructor (PR889). Patch by Pawel Kunio! 
llvm-svn: 44747
 2007-12-09 22:46:10 +00:00
Chris Lattner
5a58a65c10 Switch ValueSymbolTable to use StringMap<Value*> instead of std::map<std::string, Value*> 
as its main datastructure.  There are many improvements yet to be made, but
this speeds up opt --std-compile-opts on 447.dealII by 7.3%.

llvm-svn: 34193
 2007-02-12 05:18:08 +00:00
Chris Lattner
c1736fdce0 Move the definition of value_use_iterator::getOperandNo to User.h where the 
definition of the User class is available, this fixes the  build with some
compiler versions.

llvm-svn: 28163
 2006-05-08 05:59:36 +00:00
Misha Brukman
3f0aa3dbf8 Remove trailing whitespace 
llvm-svn: 21408
 2005-04-21 20:19:05 +00:00
Chris Lattner
cf3862ce8d Fix spelling, patch contributed by Gabor Greif 
llvm-svn: 20342
 2005-02-27 06:15:51 +00:00
Chris Lattner
c6c1106909 Instead of storing operands as std::vector<Use>, just maintain a pointer 
and num operands in the User class.  this allows us to embed the operands
directly in the subclasses if possible.  For example, for binary operators
we store the two operands in the derived class.

The has several effects:
  1. it improves locality because the operands and instruction are together
  2. it makes accesses to operands faster (one less load) if you access them
     through the derived class pointer.  For example this:

Value *GetBinaryOperatorOp(BinaryOperator *I, int i) {
  return I->getOperand(i);
}

Was compiled to:

_Z19GetBinaryOperatorOpPN4llvm14BinaryOperatorEi:
        movl    4(%esp), %edx
        movl    8(%esp), %eax
        sall    $4, %eax
        movl    24(%edx), %ecx
        addl    %ecx, %eax
        movl    (%eax), %eax
        ret

and is now compiled to:

_Z19GetBinaryOperatorOpPN4llvm14BinaryOperatorEi:
        movl    8(%esp), %eax
        movl    4(%esp), %edx
        sall    $4, %eax
        addl    %edx, %eax
        movl    44(%eax), %eax
        ret

Accesses through "Instruction*" are unmodified.

   3. This reduces memory consumption (by about 3%) by eliminating 1 word of
      vector overhead and a malloc header on a seperate object.
   4. This speeds up gccas about 10% (both debug and release builds) on
      large things (such as 176.gcc).  For example, it takes a debug build
      from 172.9 -> 155.6s and a release gccas from 67.7 -> 61.8s

llvm-svn: 19883
 2005-01-29 00:29:39 +00:00
Chris Lattner
60e159a806 Warning fixes for VC++, contributed by Morten Ofstad! 
llvm-svn: 17831
 2004-11-15 19:02:35 +00:00
Reid Spencer
b0ee45b970 bug 122: 
Remove redundancy in User::classof(Value*); GlobalValue isa Constant now.

llvm-svn: 14924
 2004-07-17 23:32:11 +00:00
Chris Lattner
2926c33e27 Make ctor inline, change ValueTy ->unsigned 
llvm-svn: 14430
 2004-06-27 18:01:15 +00:00
Chris Lattner
b6833e4a48 Consider anything with a ValueType that is >= Instruction to be an instruction 
llvm-svn: 14429
 2004-06-26 20:51:50 +00:00
Chris Lattner
9995768f47 Fixes for PR114: Thanks to Reid Spencer! 
llvm-svn: 10029
 2003-11-16 20:21:15 +00:00
Brian Gaeke
d25f86d683 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell
16c6cda9d5 Added LLVM copyright header (for lack of a better term). 
llvm-svn: 9304
 2003-10-20 20:19:47 +00:00
Chris Lattner
a390208127 lalala 
llvm-svn: 9146
 2003-10-15 22:09:57 +00:00
Chris Lattner
b743545965 Add new op_erase method 
llvm-svn: 9068
 2003-10-13 03:29:26 +00:00
Chris Lattner
b6367d9414 Add a method to reserve space for operands 
llvm-svn: 8992
 2003-10-09 22:45:59 +00:00
Chris Lattner
394f190dab Remove unneeded dtors 
llvm-svn: 8896
 2003-10-06 17:36:49 +00:00
Chris Lattner
4e4c763dfc Standardize header file comments 
llvm-svn: 8782
 2003-09-30 18:37:50 +00:00
Chris Lattner
6c12776232 Remove a ton of extraneous #includes 
llvm-svn: 6842
 2003-06-22 03:08:05 +00:00
Chris Lattner
8903500053 Add new op_erase method 
llvm-svn: 6757
 2003-06-17 22:15:55 +00:00
John Criswell
4781723de6 Included assert.h so that the code compiles under newer versions of GCC. 
llvm-svn: 6682
 2003-06-11 14:01:36 +00:00
Chris Lattner
d3eae6379d Don't require the user to do something like isa<foo>(II->get()). The ->get 
should be implicit.

llvm-svn: 6395
 2003-05-29 15:08:33 +00:00
Chris Lattner
5ee67379d9 - Remove the User::eraseOperand method which is never used, really 
dangerous, and not something we want to expose.

llvm-svn: 4007
 2002-10-01 23:41:17 +00:00
Vikram S. Adve
9226baa6bc Add routines to update or erase operands (and to do so without external 
assumptions about which operand number stores what operand).

llvm-svn: 3750
 2002-09-16 16:06:12 +00:00
Chris Lattner
69f833618d Convert comments to Doxygen style 
llvm-svn: 3507
 2002-08-25 22:54:55 +00:00
Chris Lattner
2522ebee1b Remove unneccesary method 
llvm-svn: 3452
 2002-08-22 15:57:37 +00:00
Vikram S. Adve
dba9c85e36 Add method copyOperands(). 
llvm-svn: 3445
 2002-08-22 03:01:44 +00:00
Chris Lattner
7b3dc0948b Remove a misguided API extension 
llvm-svn: 1926
 2002-03-21 05:46:43 +00:00
Chris Lattner
3dc9a2a61f Changes to build successfully with GCC 3.02 
llvm-svn: 1503
 2002-01-20 22:54:45 +00:00
Chris Lattner
c4a5815033 Renamed inst_const_iterator -> const_inst_iterator 
Renamed op_const_iterator   -> const_op_iterator
Renamed PointerType::getValueType() -> PointerType::getElementType()

llvm-svn: 1408
 2001-12-04 00:03:30 +00:00
Chris Lattner
027f8b242b Add classof implementations for User 
llvm-svn: 739
 2001-10-13 06:18:05 +00:00
Chris Lattner
d6a98c11bc Chris seems fond of #include <vector>. Fix these. Also convert use list in 
Value to a vector instead of a list.

Move SchedGraph.h & SchedPriorities.h into lib/CodeGen/InstrScheduling

llvm-svn: 572
 2001-09-14 16:56:32 +00:00
Chris Lattner
1a4da8a9b3 Remove extra whitespace at EOL 
llvm-svn: 427
 2001-09-07 16:24:35 +00:00
Chris Lattner
9373328e93 Fix stupid typo 
llvm-svn: 168
 2001-07-09 16:54:29 +00:00
Chris Lattner
246d869f71 Add a new "addOperand" method to User. 
llvm-svn: 158
 2001-07-08 18:38:18 +00:00
Chris Lattner
cd5bbb0001 Devirtualize User::dropAllReferences 
llvm-svn: 151
 2001-07-07 19:00:36 +00:00
Chris Lattner
6f7587e4d3 Changed the fundemental architecture of Operands for Instructions. Now 
Operands are maintained as a vector<Use> in the User class, and operator
iterators are provided as before.  Getting an operand no longer requires
a virtual function call.

WARNING: getOperand(x) where x >= getNumOperands() will now assert instead
of returning null!

llvm-svn: 149
 2001-07-07 08:36:50 +00:00
Chris Lattner
e6b9b382e2 Initial revision 
llvm-svn: 2
 2001-06-06 20:29:01 +00:00