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Commit Graph

81 Commits

Author SHA1 Message Date
Craig Topper
24f46609c1 Mark unimplemented copy constructors and copy assignment operators as LLVM_DELETED_FUNCTION.
llvm-svn: 164017
2012-09-17 07:16:40 +00:00
Duncan Sands
2f70cb3b88 getAllOnesValue also works for vectors of integers.
llvm-svn: 157915
2012-06-04 07:18:12 +00:00
Craig Topper
e18a06be4d Convert assert(0) to llvm_unreachable
llvm-svn: 149849
2012-02-05 22:14:15 +00:00
Chris Lattner
a4599933fa eliminate the Constant::getVectorElements method. There are better (and
more robust) ways to do what it was doing now.  Also, add static methods
for decoding a ShuffleVector mask.

llvm-svn: 149028
2012-01-26 02:51:13 +00:00
Chris Lattner
6791b23efa constify some methods and add a new Constant::getAggregateElement
helper method for the common operation of extracting an element
out of a constant aggregate.

llvm-svn: 148931
2012-01-25 06:16:32 +00:00
David Blaikie
576aba04f1 Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch
llvm-svn: 146960
2011-12-20 02:50:00 +00:00
Nadav Rotem
43673d6d0b Implement Constant::isAllOnesValue(). Fix ConstantFolding to use the new api.
llvm-svn: 138469
2011-08-24 20:18:38 +00:00
Eric Christopher
aa4993b9aa Revert "Address Duncan's CR request:"
This reverts commit 20a05be15ea5271ab6185b83200fa88263362400. (svn rev 138340)

Conflicts:

	test/Transforms/InstCombine/bitcast.ll

llvm-svn: 138366
2011-08-23 20:11:10 +00:00
Nadav Rotem
d449bc9bff Address Duncan's CR request:
1. Cleanup the tests in ConstantFolding.cpp
2. Implement isAllOnes for Constant, ConstantFP, ConstantVector

llvm-svn: 138340
2011-08-23 17:48:43 +00:00
Chris Lattner
e1fe7061ce land David Blaikie's patch to de-constify Type, with a few tweaks.
llvm-svn: 135375
2011-07-18 04:54:35 +00:00
Chris Lattner
6274327fff devirtualize Constant::isNullValue:
4 files changed, 15 insertions(+), 60 deletions(-)

llvm-svn: 135252
2011-07-15 06:14:08 +00:00
Chris Lattner
e99d93799f add CFP::isNegative() and ConstnatInt::isNegative() methods.
Devirtualize the isNegativeZeroValue method.

llvm-svn: 135249
2011-07-15 05:58:04 +00:00
Jay Foad
7717c670bb Fix or remove code which seemed to think that the operand of a Constant
was always a User.

llvm-svn: 129272
2011-04-11 09:48:55 +00:00
Chris Lattner
87de1d1bb8 hoist GlobalValue::removeDeadConstantUsers up to being a method on Constant.
llvm-svn: 125828
2011-02-18 04:41:42 +00:00
Eric Christopher
775de2ce4c Remove apparently unnecessary forward declaration.
llvm-svn: 113827
2010-09-14 01:18:15 +00:00
Chris Lattner
af2e10ddef eliminate a bunch of pointless LLVMContext arguments.
llvm-svn: 95001
2010-02-01 20:48:08 +00:00
Chris Lattner
55a53e4e79 the verifier shouldn't modify the IR.
llvm-svn: 85722
2009-11-01 18:11:50 +00:00
Chris Lattner
f605b2e8f9 Previously, all operands to Constant were themselves constant.
In the new world order, BlockAddress can have a BasicBlock operand.
This doesn't permute much, because if you have a ConstantExpr (or
anything more specific than Constant) we still know the operand has
to be a Constant.

llvm-svn: 85375
2009-10-28 05:14:34 +00:00
Benjamin Kramer
9a590500ea Make LLVMContext and LLVMContextImpl classes instead of structs.
llvm-svn: 78690
2009-08-11 17:45:13 +00:00
Owen Anderson
cf2c39dc30 Factor some of the constants+context related code out into a separate header, to make LLVMContextImpl.h
not hideous.  Also, fix some MSVC compile errors.

llvm-svn: 78115
2009-08-04 22:41:48 +00:00
Dan Gohman
39f93f6443 Add a new Constant::getIntegerValue helper function, and convert a
few places in InstCombine to use it, to fix problems handling pointer
types. This fixes the recent llvm-gcc bootstrap error.

llvm-svn: 78005
2009-08-03 22:07:33 +00:00
Owen Anderson
1dc40e205b Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are
metadata related, which I'm waiting on to avoid conflicting with Devang.

llvm-svn: 77721
2009-07-31 20:28:14 +00:00
Chris Lattner
2cae10056c make Constant::getRelocationInfo return an enum, as suggested by Duncan.
llvm-svn: 76938
2009-07-24 03:27:21 +00:00
Chris Lattner
48dffde0d7 reimplement Constant::ContainsRelocations as
Constant::getRelocationInfo(), which has a much simpler
to use API.  It still should not be part of libvmcore, but
is better than it was.  Also teach it to be smart about 
hidden visibility.

llvm-svn: 76700
2009-07-22 00:05:44 +00:00
Owen Anderson
476adb2e49 Privatize the MDString uniquing table.
llvm-svn: 76113
2009-07-16 22:11:26 +00:00
Owen Anderson
3501454313 These don't really need contexts either.
llvm-svn: 75528
2009-07-13 22:18:28 +00:00
Owen Anderson
1e5155161a Move more functionality over to LLVMContext.
llvm-svn: 75497
2009-07-13 20:58:05 +00:00
Owen Anderson
393d8b0a0c Begin the painful process of tearing apart the rat'ss nest that is Constants.cpp and ConstantFold.cpp.
This involves temporarily hard wiring some parts to use the global context.  This isn't ideal, but it's
the only way I could figure out to make this process vaguely incremental.

llvm-svn: 75445
2009-07-13 04:09:18 +00:00
Owen Anderson
733fa621f6 Revert r73790, and replace it with a significantly less ugly solution. Rather than trying to make the global reader-writer lock work,
create separate recursive mutexes for each value map.  The recursive-ness fixes the double-acquiring issue, which having one per ValueMap
lets us continue to maintain some concurrency.

llvm-svn: 73801
2009-06-20 00:24:58 +00:00
Owen Anderson
295610c408 Fix a serious bug that would cause deadlock during abstract type refinement. The constant creation
gets involved, and we end up trying to recursively acquire a writer lock.  The fix for this is slightly horrible,
and involves passing a boolean "locked" parameter around in Constants.cpp, but it's better than having locked and
unlocked versions of most of the code.

llvm-svn: 73790
2009-06-19 23:16:19 +00:00
Anton Korobeynikov
a11549d252 Clearify local/global relocations wording
llvm-svn: 68037
2009-03-30 17:38:00 +00:00
Anton Korobeynikov
ec131d94ff Honour relocation behaviour stuff for ro objects
llvm-svn: 68005
2009-03-29 17:13:49 +00:00
Anton Korobeynikov
9b5ffaf6ca Extend the relocation tracker handler, so we can filter on different 'kinds' of relocations required.
llvm-svn: 68004
2009-03-29 17:13:18 +00:00
Gabor Greif
86742bf679 fix typo's
llvm-svn: 57435
2008-10-13 10:28:12 +00:00
Chris Lattner
fe3155fc62 Switch the asmprinter (.ll) and all the stuff it requires over to
use raw_ostream instead of std::ostream.  Among other goodness,
this speeds up llvm-dis of kc++ with a release build from 0.85s
to 0.49s (88% faster).

Other interesting changes:
 1) This makes Value::print be non-virtual.
 2) AP[S]Int and ConstantRange can no longer print to ostream directly, 
    use raw_ostream instead.
 3) This fixes a bug in raw_os_ostream where it didn't flush itself 
    when destroyed.
 4) This adds a new SDNode::print method, instead of only allowing "dump".


A lot of APIs have both std::ostream and raw_ostream versions, it would
be useful to go through and systematically anihilate the std::ostream 
versions.

This passes dejagnu, but there may be minor fallout, plz let me know if
so and I'll fix it.

llvm-svn: 55263
2008-08-23 22:23:09 +00:00
Chris Lattner
64e06e8dac comment update
llvm-svn: 54576
2008-08-09 06:25:46 +00:00
Chris Lattner
cd6afe938b add a helper method for code that wants to handle vector
constants by element without caring how they are formed.

llvm-svn: 53382
2008-07-10 00:28:34 +00:00
Evan Cheng
2005804de6 - Re-apply 52748 and friends with fix. GetConstantStringInfo() returns an empty string for ConstantAggregateZero case which surprises selectiondag.
- Correctly handle memcpy from constant string which is zero-initialized.

llvm-svn: 52891
2008-06-30 07:31:25 +00:00
Anton Korobeynikov
6f260767ec Revert (52748 and friends):
Move GetConstantStringInfo to lib/Analysis. Remove
string output routine from Constant. Update all
callers. Change debug intrinsic api slightly to
accomodate move of routine, these now return values
instead of strings.

This unbreaks llvm-gcc bootstrap.

llvm-svn: 52884
2008-06-29 17:57:03 +00:00
Eric Christopher
4f05c48718 Move GetConstantStringInfo to lib/Analysis. Remove
string output routine from Constant. Update all
callers. Change debug intrinsic api slightly to
accomodate move of routine, these now return values
instead of strings.

llvm-svn: 52748
2008-06-26 00:31:12 +00:00
Bill Wendling
1866fa680f Remove warnings about unused parameters and shadowed variables.
llvm-svn: 51266
2008-05-19 20:15:12 +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
145fdc7e2a add a Constant::getAllOnesValue helper function, which works on integers
AND vectors.

llvm-svn: 37586
2007-06-15 06:10:53 +00:00
Dan Gohman
2d4b1767ab Rename Value::getValueType to getValueID, to avoid confusion with
other things named getValueType.

llvm-svn: 35964
2007-04-13 18:12:09 +00:00
Evan Cheng
7513c95267 Added ContainsRelocations() to check if a constant might only be resolvable at load time.
llvm-svn: 35014
2007-03-08 00:59:12 +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
Bill Wendling
7f6a73eb5c Added an automatic cast to "std::ostream*" etc. from OStream. We then can
rework the hacks that had us passing OStream in. We pass in std::ostream*
instead, check for null, and then dispatch to the correct print() method.

llvm-svn: 32636
2006-12-17 05:15:13 +00:00
Chris Lattner
5b4ca99562 add a method to determine whether evaluation of a constant can trap.
llvm-svn: 31059
2006-10-20 00:27:06 +00:00