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Commit Graph

139 Commits

Author SHA1 Message Date
Nick Lewycky
21cc4460ef Add support for embedded metadata to LLVM. This introduces two new types of
Constant, MDString and MDNode which can only be used by globals with a name
that starts with "llvm." or as arguments to a function with the same naming
restriction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68420 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-04 07:22:01 +00:00
Chris Lattner
25f0ee5191 correct patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68353 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-03 00:10:56 +00:00
Chris Lattner
d72513417d add patch to go along with r68350
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68352 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-03 00:10:31 +00:00
Chris Lattner
722272df41 Add two new classes: WeakVH and AssertingVH. These are both "ValueHandles",
which are effectively smart pointers to Value*'s.  They are both very light
weight and simple, and react to values being destroyed or being RAUW'd.

WeakVN does a best effort to follow a value around, including through RAUW 
operations and will get nulled out of the value is destroyed.  This is useful
for the eventual "metadata that references a value" work, because it is a
reference to a value that does not show up on its use_* list.

AssertingVH is a pointer that compiles down to a dumb raw pointer when 
assertions are disabled.  When enabled, it emits an assertion if the 
pointed-to value is destroyed while it is still being referenced.  This
is very useful for Maps and other things, and should have caught the recent
bugs in CallGraph and Reassociate, for example.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68149 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-31 22:11:05 +00:00
Chris Lattner
c4ef551192 shrink subclassid, liberating some bits for future (ab)use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68087 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-31 07:25:22 +00:00
Chris Lattner
aab3d88bc4 Value* only has 2 bits free as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67984 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-29 05:45:43 +00:00
Chris Lattner
01c8e0233d Comment typeo fix, thanks Duncan!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60429 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-02 18:33:11 +00:00
Chris Lattner
c7f7c1dc50 add a little helper function that does PHI translation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60405 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-02 07:16:45 +00:00
Chris Lattner
0fed8bf91f fit in 80 cols
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58318 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-28 06:20:17 +00:00
Gabor Greif
c9f7ef7e7a remove a deprecated internal interface
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57434 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-13 10:25:27 +00:00
Duncan Sands
5d0392c6b3 Factorize code: remove variants of "strip off
pointer bitcasts and GEP's", and centralize the
logic in Value::getUnderlyingObject.  The
difference with stripPointerCasts is that
stripPointerCasts only strips GEPs if all
indices are zero, while getUnderlyingObject
strips GEPs no matter what the indices are.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56922 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-01 15:25:41 +00:00
Bill Wendling
c4f72dd6e7 Make pointer parameter const for isUsedInBasicBlock.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56625 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-25 22:42:01 +00:00
Gabor Greif
6f4266506b backing out my last commit, it was not intended to go on the trunk
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56349 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19 15:13:20 +00:00
Gabor Greif
6c2c95d0ac first shot at removing Use::Val
untested, Use::swap() is definitely not done yet

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56348 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-19 15:03:57 +00:00
Gabor Greif
bfe2f407db minor correction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56190 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-13 18:51:27 +00:00
Chris Lattner
4238746230 we should use 'class' for non-pod types instead of 'struct' to
make it easier to deal with the VC++ struct/class bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55290 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-24 18:38:56 +00:00
Cedric Venet
a3f343f4cd Updating VC++ project.
Adding one include file and correct one declaration from class to struct in order to make llvm compile on VC2005.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55279 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-24 11:56:40 +00:00
Chris Lattner
944fac71e0 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55263 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-23 22:23:09 +00:00
Evan Cheng
1bf9a18834 Rename instance variables, parameter argument names to eliminate a bunch of compilation warnings with -Wshadow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53970 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-24 00:08:56 +00:00
Chris Lattner
d0ebbff8a3 add a helper.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52835 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-27 21:15:25 +00:00
Chris Lattner
0ad4d9be03 add a const version of stripPointerCasts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52305 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-16 06:43:06 +00:00
Evan Cheng
502a4f5162 Do not speculatively execute an instruction by hoisting it to its predecessor BB if any of its operands are defined but not used in BB. The transformation will prevent the operand from being sunk into the use block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52244 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-12 21:15:59 +00:00
Gabor Greif
0039adb514 remove bogus comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52216 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-11 13:53:41 +00:00
Dan Gohman
1baa88e3de Prune and tidy #includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51697 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-29 19:52:31 +00:00
Bill Wendling
13d57320bd Remove warnings about unused parameters and shadowed variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51266 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-19 20:15:12 +00:00
Gabor Greif
efe65369a7 merge of use-diet branch to trunk
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50943 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-10 08:32:32 +00:00
Anton Korobeynikov
0b12ecf6ff Turn StripPointerCast() into a method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50836 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-07 22:54:15 +00:00
Anton Korobeynikov
b04adddd50 Make StripPointerCast a common function (should we mak it method of Value instead?)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50775 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 22:52:30 +00:00
Chris Lattner
12e6d20059 add a method for comparing to see if a value has a specified name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50465 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30 03:55:40 +00:00
Gabor Greif
59dc98de2f move the Use destructor where it belongs to
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48376 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14 22:03:02 +00:00
Dan Gohman
4e35595368 There is no killUse.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48034 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-07 22:24:41 +00:00
Dan Gohman
69de1932b3 Re-apply the memory operand changes, with a fix for the static
initializer problem, a minor tweak to the way the
DAGISelEmitter finds load/store nodes, and a renaming of the
new PseudoSourceValue objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46827 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-06 22:27:42 +00:00
Evan Cheng
334dc1f58d Revert 46556 and 46585. Dan please fix the PseudoSourceValue problem and re-commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46623 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-31 21:00:00 +00:00
Dan Gohman
f38dc192dd Add a new PseudoSourceValue class, which will be used to help track
memory reference information in the backend. Most of this was written by
Florian Brander, cleanup and updating to TOT by me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46556 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-30 16:35:31 +00:00
Chris Lattner
7ed47a1335 Don't attribute in file headers anymore. See llvmdev for the
discussion of this change.  Boy are my fingers tired. ;-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45411 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-29 19:59:42 +00:00
Gordon Henriksen
afba8fe662 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44760 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-10 02:14:30 +00:00
Gordon Henriksen
ed455c8fa2 Devirtualizing Value destructor (PR889). Patch by Pawel Kunio!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44747 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-09 22:46:10 +00:00
Chris Lattner
71996e73d8 add Value::getNameStart/getNameLen() accessors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40989 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-10 15:34:35 +00:00
Anton Korobeynikov
8b0a8c84da Implement aliases. This fixes PR1017 and it's dependent bugs. CFE part
will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36435 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-25 14:27:10 +00:00
Dan Gohman
a1a702cdd2 Rename Value::getValueType to getValueID, to avoid confusion with
other things named getValueType.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35964 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-13 18:12:09 +00:00
Reid Spencer
53201869cd Document the use of getValueType() more accurately, specifically explain
that the instruction opcode is added to the InstructionVal value and the
consequences of that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34937 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-05 23:06:32 +00:00
Chris Lattner
924b1ca9ee Add a new Value::getNameStr method, which is preferred over getName.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34310 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-15 18:53:54 +00:00
Reid Spencer
ac9dcb94dd For PR1195:
Change use of "packed" term to "vector" in comments, strings, variable
names, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34300 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-15 03:39:18 +00:00
Reid Spencer
9d6565a5b1 For PR1195:
Rename PackedType -> VectorType, ConstantPacked -> ConstantVector, and
PackedTyID -> VectorTyID. No functional changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34293 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-15 02:26:10 +00:00
Chris Lattner
ec79b3da13 add a setName variant that takes a null-terminated string. This can be
used to avoid std::string allocations in common cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34232 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-13 07:53:34 +00:00
Chris Lattner
042ad36871 Add new setName accessor which doesn't require creating a string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34197 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-12 18:52:59 +00:00
Chris Lattner
dec628eead 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%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34193 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-12 05:18:08 +00:00
Chris Lattner
7216811ea2 add a helper method: Value::takeName
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34171 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-11 00:37:27 +00:00
Reid Spencer
ef9b9a7939 For PR411:
This patch replaces the SymbolTable class with ValueSymbolTable which does
not support types planes. This means that all symbol names in LLVM must now
be unique. The patch addresses the necessary changes to deal with this and
removes code no longer needed as a result. This completes the bulk of the
changes for this PR. Some cleanup patches will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33918 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-05 20:47:22 +00:00
Zhou Sheng
6b6b6ef167 For PR1043:
Merge ConstantIntegral and ConstantBool into ConstantInt.
Remove ConstantIntegral and ConstantBool from LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33073 91177308-0d34-0410-b5e6-96231b3b80d8
2007-01-11 12:24:14 +00:00