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356 Commits

Author SHA1 Message Date
Nick Lewycky
a9de2f1c81 Give embedded metadata its own type instead of relying on EmptyStructTy. 
llvm-svn: 72610
 2009-05-30 05:06:04 +00:00
Duncan Sands
316352b541 Add a getAlignOf helper for getting the ABI alignment of a 
type as a target independent constant expression.  I confess
that I didn't check that this method works as intended (though
I did test the equivalent hand-written IR a little).  But what
could possibly go wrong!

llvm-svn: 72213
 2009-05-21 15:52:21 +00:00
Nick Lewycky
f417462ddf Make MDNode use CallbackVH. Also change MDNode to store Value* instead of 
Constant* in preperation of a future change to support holding non-Constants
in an MDNode.

llvm-svn: 71407
 2009-05-10 20:57:05 +00:00
Nick Lewycky
eea5412e19 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.

llvm-svn: 68420
 2009-04-04 07:22:01 +00:00
Anton Korobeynikov
d03a7a7e8c Fix infinite looping 
llvm-svn: 68034
 2009-03-30 15:28:21 +00:00
Anton Korobeynikov
b026804e7c Properly propagate Kind. 
llvm-svn: 68033
 2009-03-30 15:28:00 +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
Chris Lattner
38c6f460d2 add a fastpath to ConstantExpr::getBitCast to handle the case when an obviously 
unneeded bitcast is requested.  This is common for frontends who just unconditionally
cast even if the target is often the right type already.  THis prevents going into
getFoldedCast which switches on the opcode and does a bunch of other stuff before
doing the same opzn.

llvm-svn: 67435
 2009-03-21 06:55:54 +00:00
Dan Gohman
4646e714c4 Apply a patch by Micah Villmow to fix AsmParser to accept vector 
shift constant expressions, and add support for folding vector
shift constant expressions. This fixes PR3802.

llvm-svn: 67010
 2009-03-14 17:09:17 +00:00
Chris Lattner
950cbfb6c0 fix typo 
llvm-svn: 66367
 2009-03-08 04:06:26 +00:00
Dan Gohman
51d4e8db6a Fix a bunch of Doxygen syntax issues. Escape special characters, 
and put @file directives on their own comment line.

llvm-svn: 65920
 2009-03-03 02:55:14 +00:00
Nate Begeman
8b548c0a9e Add suppport for ConstantExprs of shufflevectors whose result type is not equal to the 
type of the vectors being shuffled.

llvm-svn: 64401
 2009-02-12 21:28:33 +00:00
Chris Lattner
befcb38427 select constant exprs should have the same constraints as select instructions, 
notably, they should support vectors and aggregates.

llvm-svn: 61462
 2008-12-29 00:16:12 +00:00
Dan Gohman
f187690987 Make ConstantAggregateZero::get return a ConstantAggregateZero*, 
as suggested in PR3182.

llvm-svn: 60691
 2008-12-08 07:10:54 +00:00
Devang Patel
09aea7e93e Fix unused variable warnings. 
llvm-svn: 58653
 2008-11-03 23:20:04 +00:00
Bill Wendling
617f3d4b3a Fix type-o in ExprMapKeyType::operator ==(). The "&&" was missing. 
Patch by Frits van Bommel!

llvm-svn: 58175
 2008-10-26 00:19:56 +00:00
Dale Johannesen
075a62519f Add a "loses information" return value to APFloat::convert 
and APFloat::convertToInteger.  Restore return value to
IEEE754.  Adjust all users accordingly.

llvm-svn: 57329
 2008-10-09 23:00:39 +00:00
Gordon Henriksen
3a9a0e274b Fix ConstantExpr::getInsertElement. 
Breakage was exposed in the Ocaml bindings tests after Chris
uncommented an assertion in r55084.

llvm-svn: 55566
 2008-08-30 15:41:51 +00:00
Chris Lattner
9e471bdb4b the bug was apparently fixed long ago, reenable the assertion 
llvm-svn: 55224
 2008-08-23 03:48:35 +00:00
Dale Johannesen
aa332f4fca Accept NOT of a constant vector of int. 
llvm-svn: 55140
 2008-08-21 21:20:09 +00:00
Chris Lattner
7a310366a6 Add a new ConstantExpr::getWithOperands that takes any array of operands 
instead of requiring an std::vector.

llvm-svn: 55084
 2008-08-20 22:27:40 +00:00
Dan Gohman
de163bb39d Fix several const-correctness issues, resolving some -Wcast-qual warnings. 
llvm-svn: 54349
 2008-08-05 14:45:15 +00:00
Nate Begeman
a6cdff50b0 Remove unnecessary implicit argument 
llvm-svn: 54031
 2008-07-25 17:56:27 +00:00
Nate Begeman
ce064348d9 Fix minor issues with VICmp/VFCmp constant expressions 
llvm-svn: 54030
 2008-07-25 17:35:37 +00:00
Dan Gohman
183bd17a66 InsertValue and ExtractValue constant expressions are always 
folded. Remove code that handled the case where they aren't
folded, and remove bitcode reader/writer support for them.

llvm-svn: 53887
 2008-07-21 23:30:30 +00:00
Chris Lattner
b786d147c9 Fix a bunch of bugs handling vector compare constant expressions, fixing 
PR2317.

llvm-svn: 53544
 2008-07-14 05:17:31 +00:00
Chris Lattner
accde0a86b Document and fix Constant::getVectorElements to return an empty vector 
when presented with a constant expr.

If ConstantExpr::getV[IF]Cmp to work when ConstantFoldCompareInstruction
returns an undef or constant expr.  

llvm-svn: 53541
 2008-07-14 05:10:41 +00:00
Dan Gohman
d1342570f2 Use find instead of lower_bound. 
llvm-svn: 53474
 2008-07-11 20:58:19 +00:00
Chris Lattner
7797bfa0fd SImplify ConstantVector::get a bit and make it turn a vector 
of all undefs into a single undef value.

llvm-svn: 53384
 2008-07-10 00:44:03 +00:00
Chris Lattner
6c12d086d9 add a helper method for code that wants to handle vector 
constants by element without caring how they are formed.

llvm-svn: 53381
 2008-07-10 00:28:11 +00:00
Matthijs Kooijman
b7ade2592f Add newline at the end of Constants.cpp. 
llvm-svn: 53092
 2008-07-03 07:46:41 +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
Owen Anderson
968d4e2444 Use push_back rather than operator[], which is incorrect in this cases. Unfortunately, this slow the testcase down a little bit, 
but only marginally.

llvm-svn: 52700
 2008-06-25 01:05:05 +00:00
Owen Anderson
673cae8561 In ConstantArray::getAsString(), we know the size of the resultant string in advance so we can pre-allocate it and just fill in 
the entries.  This improves the time for the AsmPrinter on InstructionCombining.cpp from 0.4248s to 0.3370s.

llvm-svn: 52690
 2008-06-24 21:58:29 +00:00
Dan Gohman
d9e2c8b72a More changes from Chris' review: simplify getIndices and avoid 
copying its return value.

llvm-svn: 52627
 2008-06-23 16:39:44 +00:00
Dan Gohman
fbf0f6cf8e Constant folding for insertvalue and extractvalue. 
llvm-svn: 51889
 2008-06-03 00:15:20 +00:00
Dan Gohman
caa9c6e94d Fix some bugs with the handling of indices in insertvalue/extractvalue. 
llvm-svn: 51820
 2008-05-31 19:09:08 +00:00
Dan Gohman
ac5c3382fe IR, bitcode reader, bitcode writer, and asmparser changes to 
insertvalue and extractvalue to use constant indices instead of
Value* indices. And begin updating LangRef.html.

There's definately more to come here, but I'm checking this 
basic support in now to make it available to people who are
interested.

llvm-svn: 51806
 2008-05-31 00:58:22 +00:00
Gabor Greif
e052a42a62 eliminate calls to deprecated Use::init() interface 
llvm-svn: 51570
 2008-05-26 21:33:52 +00:00
Dan Gohman
9674662036 Add more IR support for the new extractvalue and insertvalue 
instructions.

llvm-svn: 51461
 2008-05-23 00:36:11 +00:00
Dan Gohman
821bf58428 IR support for extractvalue and insertvalue instructions. Also, begin 
moving toward making structs and arrays first-class types.

llvm-svn: 51157
 2008-05-15 19:50:34 +00:00
Gabor Greif
48ffb6c7dc Fix a bunch of 80col violations that arose from the Create API change. Tweak makefile targets to find these better. 
llvm-svn: 51143
 2008-05-15 10:04:30 +00:00
Dan Gohman
bab18cae46 Clean up the use of static and anonymous namespaces. This turned up 
several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017
 2008-05-13 00:00:25 +00:00
Nate Begeman
e2b25610bb Fix build breakage 
llvm-svn: 50986
 2008-05-12 19:23:22 +00:00
Nate Begeman
b5b1e1353b Add two new instructions to the llvm IR, vicmp and vfcmp. see updated LangRef 
for details.  CodeGen support coming in a follow up patch

llvm-svn: 50985
 2008-05-12 19:01:56 +00:00
Gabor Greif
49bf1a4cf6 merge of use-diet branch to trunk 
llvm-svn: 50943
 2008-05-10 08:32:32 +00:00
Chris Lattner
843ee88189 add a simplified accessor for creating an fp constant of a 
particular value but variable type.

llvm-svn: 49416
 2008-04-09 06:38:30 +00:00
Chris Lattner
9d4d2f566e add a version of ConstantFP::get that doesn't take a redundant Type* value, 
start migrating code over to use it.

llvm-svn: 49413
 2008-04-09 00:45:01 +00:00
Gabor Greif
c82cfa3755 fix a warning 
llvm-svn: 49282
 2008-04-06 21:42:13 +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
Duncan Sands
39afad0613 Fix comment typo. 
llvm-svn: 48967
 2008-03-30 19:38:55 +00:00
Dan Gohman
b4aa0b2a15 Fix a typo in a comment. 
llvm-svn: 46836
 2008-02-07 02:30:40 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Christopher Lamb
a608afb52e Change the PointerType api for creating pointer types. The old functionality of PointerType::get() has become PointerType::getUnqual(), which returns a pointer in the generic address space. The new prototype of PointerType::get() requires both a type and an address space. 
llvm-svn: 45082
 2007-12-17 01:12:55 +00:00
Christopher Lamb
7368604860 Implement address space attribute for LLVM pointer types. Address spaces are 
regions of memory that have a target specific relationship, as described in the 
Embedded C Technical Report. 

This also implements the 2007-12-11-AddressSpaces test, 
which demonstrates how address space attributes can be used in LLVM IR.

In addition, this patch changes the bitcode signature for stores (in a backwards 
compatible manner), such that the pointer type, rather than the pointee type, is 
encoded. This permits type information in the pointer (e.g. address space) to be 
preserved for stores.

LangRef updates are forthcoming.

llvm-svn: 44858
 2007-12-11 08:59:05 +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
Nate Begeman
2a8ef3f29a Add support for vectors to int <-> float casts. 
llvm-svn: 44204
 2007-11-17 03:58:34 +00:00
Chris Lattner
38a21a25f2 Fix InstCombine/2007-10-31-StringCrash.ll by removing an obvious 
(in hindsight) infinite recursion.  Simplify the code.

llvm-svn: 43597
 2007-11-01 02:30:35 +00:00
Chris Lattner
61de0c50b7 this doesn't need dynamic_cast. 
llvm-svn: 43133
 2007-10-18 16:26:24 +00:00
Dan Gohman
231159e8a3 Define a helper function ConstantVector::getSplatValue for testing for 
and working with broadcasted constants.

llvm-svn: 43076
 2007-10-17 17:51:30 +00:00
Dale Johannesen
0ee2a2fb59 Next PPC long double bits. First cut at constants. 
No compile-time support for constant operations yet,
just format transformations.  Make readers and
writers work.  Split constants into 2 doubles in
Legalize.

llvm-svn: 42865
 2007-10-11 18:07:22 +00:00
Gordon Henriksen
65ce7c3085 Adding C and Ocaml bindings for ConstantExpr. 
llvm-svn: 42696
 2007-10-06 14:29:36 +00:00
Chris Lattner
cc315726f7 Merge DenseMapKeyInfo & DenseMapValueInfo into DenseMapInfo 
Add a new DenseMapInfo::isEqual method to allow clients to redefine
the equality predicate used when probing the hash table.

llvm-svn: 42042
 2007-09-17 18:34:04 +00:00
Dale Johannesen
575bd6070a Remove the assumption that FP's are either float or 
double from some of the many places in the optimizers
it appears, and do something reasonable with x86
long double.
Make APInt::dump() public, remove newline, use it to
dump ConstantSDNode's.
Allow APFloats in FoldingSet.
Expand X86 backend handling of long doubles (conversions
to/from int, mostly).

llvm-svn: 41967
 2007-09-14 22:26:36 +00:00
Dale Johannesen
4784ee3431 Revise previous patch per review comments. 
Next round of x87 long double stuff.
Getting close now, basically works.

llvm-svn: 41875
 2007-09-12 03:30:33 +00:00
Dale Johannesen
86f367a6b7 Next round of APFloat changes. 
Use APFloat in UpgradeParser and AsmParser.
Change all references to ConstantFP to use the
APFloat interface rather than double.  Remove
the ConstantFP double interfaces.
Use APFloat functions for constant folding arithmetic
and comparisons.
(There are still way too many places APFloat is
just a wrapper around host float/double, but we're
getting there.)

llvm-svn: 41747
 2007-09-06 18:13:44 +00:00
David Greene
8cda5af2e7 Update GEP constructors to use an iterator interface to fix 
GLIBCXX_DEBUG issues.

llvm-svn: 41697
 2007-09-04 15:46:09 +00:00
Dale Johannesen
e91a908971 Change LegalFPImmediates to use APFloat. 
Add APFloat interfaces to ConstantFP, SelectionDAG.
Fix integer bit in double->APFloat conversion.
Convert LegalizeDAG to use APFloat interface in
ConstantFPSDNode uses.

llvm-svn: 41587
 2007-08-30 00:23:21 +00:00
Dale Johannesen
9ec1e28e79 Poison APFloat::operator==. Replace existing uses with bitwiseIsEqual. 
This means backing out the preceding change to Constants.cpp, alas.

llvm-svn: 41378
 2007-08-24 22:09:56 +00:00
Dale Johannesen
0aaabb858b Revised per review feedback from previous patch. 
llvm-svn: 41353
 2007-08-24 05:08:11 +00:00
Dale Johannesen
a3ab055b9d Change internal representation of ConstantFP to use APFloat. 
Interface to rest of the compiler unchanged, as yet.

llvm-svn: 41348
 2007-08-24 00:56:33 +00:00
Chris Lattner
8e296cc9d9 Fix potentially N^2 behavior handling arrays with many of the 
same value which get RAUW'd.  This speeds up reading the .bc
file in PR1616 from 852s to 0.19s on my G5 with a debug build.

llvm-svn: 41209
 2007-08-21 00:55:23 +00:00
Dale Johannesen
21c0eac378 Patch 10 for long double. Doing constants right needs expanding ConstantFP 
to handle values bigger than double.  If we assume host==target and host
long double works correctly, this is not too bad, but we don't want to
have that limitation longterm.  I could implement accepting double
constants as long double or something like that, which would lead to
incorrect codegen with no errors; the more I think about that the worse
it seems.  Rather than do such a hack that would be backed out later,
I'm settling for giving reasonable error messages, for now.

llvm-svn: 40974
 2007-08-09 22:51:36 +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
2c5d31ee81 Minor comment cleanups. 
llvm-svn: 37321
 2007-05-24 14:36:04 +00:00
Reid Spencer
7d20e42a97 Allow ConstantInt::get(Ty, uint64_t) to interpret the 64-bit values as a 
negative number. This is needed to fix test/Assembler/2007-03-19-NegValue.ll

llvm-svn: 35181
 2007-03-19 20:39:08 +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
Reid Spencer
b4e877c488 Drop the ConstantInt(const Type&, const APInt&) constructor. It is 
redundant and more verbose than the ConstantInt(const APInt&) constructor.

llvm-svn: 34792
 2007-03-01 19:30:34 +00:00
Reid Spencer
a9d0cc903b Implement a convenience method to construct a ConstantInt directly from an 
APInt. The implied type is the integer type that corresponds to the bit
width of the APInt.

llvm-svn: 34757
 2007-02-28 19:50:21 +00:00
Reid Spencer
58f7a497bb Remove some redundancy. 
llvm-svn: 34702
 2007-02-27 23:27:26 +00:00
Reid Spencer
74764708fa Correct the implelmentation of ConstantInt::getAllOnesValue() for bit 
widths > 64 bits.

llvm-svn: 34663
 2007-02-27 07:57:53 +00:00
Chris Lattner
ae7cc3e0e0 ConstantFolding.cpp/h -> ConstantFold.cpp/h to avoid confusion with 
lib/Analysis/ConstantFolding.

llvm-svn: 34653
 2007-02-27 03:05:06 +00:00
Reid Spencer
c8cc0f997e For PR1205: 
Implement the first step towards arbitrary precision integer support in
LLVM. The APInt class provides arbitrary precision arithmetic and value
representation. This patch changes ConstantInt to use APInt as its value
representation without supporting bit widths > 64 yet. That change will
come after ConstantFolding handles bit widths > 64 bits.

llvm-svn: 34647
 2007-02-26 23:54:03 +00:00
Evan Cheng
0af52bec6b This cast broke lots of tests. 
llvm-svn: 34457
 2007-02-20 21:30:56 +00:00
Chris Lattner
be8f4becf4 switch ConstantFP's from ValueMap to DenseMap, which is much faster to query 
and is more memory efficient.

llvm-svn: 34446
 2007-02-20 07:17:17 +00:00
Chris Lattner
37a49eb48d cleanup ConstantInt to use a single DenseMap for uniquing instead of the 
heavy-weight ValueMap class.  This reduces mem usage bc reading kc++ by 29K,
even though it only creates 2955 constant ints!

llvm-svn: 34445
 2007-02-20 06:39:57 +00:00
Chris Lattner
adb16a1a53 Make ConstantInt::getTrue/getFalse be llvm_shutdown safe. 
llvm-svn: 34443
 2007-02-20 06:11:36 +00:00
Chris Lattner
c8db23f8a7 Clean up the internals of the ConstantInt machinery 
llvm-svn: 34441
 2007-02-20 05:55:46 +00:00
Chris Lattner
26dc9c9dc8 simplify some code that was not llvm_shutdown safe 
llvm-svn: 34440
 2007-02-20 05:46:39 +00:00
Chris Lattner
f501d245c8 llvm-gcc issue fixed, revert reversal :) 
llvm-svn: 34425
 2007-02-19 20:01:23 +00:00
Evan Cheng
936deee790 Temporarily reverting the patch. It's breaking llvm-gcc build. 
llvm-svn: 34423
 2007-02-19 19:23:41 +00:00
Chris Lattner
865b2f741a remove dead methods 
llvm-svn: 34419
 2007-02-19 07:44:24 +00:00
Reid Spencer
e7ff3305d6 For PR1195: 
Change use of "packed" term to "vector" in comments, strings, variable
names, etc.

llvm-svn: 34300
 2007-02-15 03:39:18 +00:00
Reid Spencer
55e4e98a2a For PR1195: 
Rename PackedType -> VectorType, ConstantPacked -> ConstantVector, and
PackedTyID -> VectorTyID. No functional changes.

llvm-svn: 34293
 2007-02-15 02:26:10 +00:00
Reid Spencer
6da19310e3 A value of 64 or fewer bits is valid if the ConstantInt has more then 64 bits. 
llvm-svn: 33942
 2007-02-05 23:47:56 +00:00
Reid Spencer
6af21b3029 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.

llvm-svn: 33918
 2007-02-05 20:47:22 +00:00
Reid Spencer
591bfa1e0b Changes to support making the shift instructions be true BinaryOperators. 
This feature is needed in order to support shifts of more than 255 bits
on large integer types.  This changes the syntax for llvm assembly to
make shl, ashr and lshr instructions look like a binary operator:
   shl i32 %X, 1
instead of
   shl i32 %X, i8 1
Additionally, this should help a few passes perform additional optimizations.

llvm-svn: 33776
 2007-02-02 02:16:23 +00:00