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317 Commits

Author SHA1 Message Date
Evan Cheng
9d0bfecda6 Add isCString() - returns true if a ConstantArray is a CString. 
llvm-svn: 31201
 2006-10-26 19:15:05 +00:00
Reid Spencer
6833ffe8b8 For PR950: 
Make necessary changes to support DIV -> [SUF]Div. This changes llvm to
have three division instructions: signed, unsigned, floating point. The
bytecode and assembler are bacwards compatible, however.

llvm-svn: 31195
 2006-10-26 06:15:43 +00:00
Reid Spencer
d414793dbc For PR950: 
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.

llvm-svn: 31063
 2006-10-20 07:07:24 +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
Chris Lattner
155e6b8403 Eliminate ConstantBool::True and ConstantBool::False. Instead, provide 
ConstantBool::getTrue() and ConstantBool::getFalse().

llvm-svn: 30666
 2006-09-28 23:36:21 +00:00
Chris Lattner
4c15e307ef remove reference to dead method 
llvm-svn: 30641
 2006-09-28 00:38:19 +00:00
Chris Lattner
5271c8739a Use the new ManagedStatic class to explicitly manage static variables, eliminating static ctors/dtors 
llvm-svn: 30639
 2006-09-28 00:35:06 +00:00
Chris Lattner
8aa718b0ed Add new SetCondInst::isRelational/isEquality methods. Rename 
Instruction::isRelational to Instruction::isComparison.

llvm-svn: 30444
 2006-09-17 19:14:47 +00:00
Chris Lattner
33bd5dcfb7 s|llvm/Support/Visibility.h|llvm/Support/Compiler.h| 
llvm-svn: 29911
 2006-08-27 12:54:02 +00:00
Jim Laskey
acca26e969 Reduce the size of Constants.o by 25% by generalizing specific instantiations of 
std::map.

llvm-svn: 29163
 2006-07-17 17:38:29 +00:00
Chris Lattner
e1a75ed7be Add a new helper, simplify ConstantExpr::getWithOperandReplaced at Gabor's 
request :)

llvm-svn: 29148
 2006-07-14 22:20:01 +00:00
Chris Lattner
10054b8603 Add a new method for bugpoint to use 
llvm-svn: 29143
 2006-07-14 19:37:40 +00:00
Chris Lattner
11f1b29308 Use hidden visibility to reduce the sizes of some .o files. This chops 60K off a release llvm-dis. 
llvm-svn: 28969
 2006-06-28 21:38:54 +00:00
Chris Lattner
d05099f30a Add a missing assertion that would have helped out Reid 
llvm-svn: 28746
 2006-06-10 04:16:23 +00:00
Reid Spencer
1e1cfbb6fe Provide a simpler interface for getting a ConstantArray from a character 
string. Instead of specifying the length, just specify whether the user
wants a terminating null or not. The default is "true" to retain the same
behavior as previously provided by this function.

llvm-svn: 28562
 2006-05-30 18:15:07 +00:00
Reid Spencer
ce05d51e82 Adjust the interface to ConstantArray::get. The previous 
implementation always added a null byte to the end of the string. It turns
out that this is not always wanted. By adding a length parameter we preserve
this behavior when length==0 (default value) but also allow other lengths
(not null terminated) to be created.

llvm-svn: 28552
 2006-05-30 08:23:18 +00:00
Chris Lattner
f604017e47 Patches to make the LLVM sources more -pedantic clean. Patch provided 
by Anton Korobeynikov!  This is a step towards closing PR786.

llvm-svn: 28447
 2006-05-24 17:04:05 +00:00
Chris Lattner
375b72b0a0 Add constant replacement for insertelement/vectorshuffle constant exprs 
llvm-svn: 27532
 2006-04-08 05:09:48 +00:00
Chris Lattner
14b19acd56 Add shufflevector support, todo, implement better constant folding. 
llvm-svn: 27510
 2006-04-08 01:18:18 +00:00
Evan Cheng
02418117e1 Doh! 
llvm-svn: 26705
 2006-03-11 00:13:10 +00:00
Evan Cheng
57c206232d Added a parameter to control whether Constant::getStringValue() would chop 
off the result string at the first null terminator.

llvm-svn: 26704
 2006-03-10 23:52:03 +00:00
Jim Laskey
a1ad999bba Get rid of the multiple copies of getStringValue. Now a Constant:: method. 
llvm-svn: 26616
 2006-03-08 18:11:07 +00:00
Robert Bocchino
4e3d87a0dc VMCore support for the insertelement operation. 
llvm-svn: 25408
 2006-01-17 20:07:22 +00:00
Robert Bocchino
472e42d3cc Added constant folding support for the extractelement operation. 
llvm-svn: 25187
 2006-01-10 20:03:46 +00:00
Robert Bocchino
9a57550e4e Added support for the extractelement operation. 
llvm-svn: 25181
 2006-01-10 19:05:34 +00:00
Chris Lattner
291f009018 Fix an assertion to allow constant folding of packed values 
llvm-svn: 25071
 2006-01-04 01:01:04 +00:00
Reid Spencer
63a1f99627 Revert previous patch. Additional tests fail. 
llvm-svn: 24968
 2005-12-22 21:46:37 +00:00
Reid Spencer
56825ced86 Fix PR409: 
Implement the suggested check to ensure that out-of-range float constants
don't get accepted by LLVM accidentally. Adjust the supporting test cases
as well.

llvm-svn: 24963
 2005-12-22 21:07:29 +00:00
Chris Lattner
5adabfc4fb add a hack to work around broken VC++ scoping rules. Thx to JeffC for pointing 
this out to me

llvm-svn: 23655
 2005-10-07 05:23:36 +00:00
Chris Lattner
b98aa6cc83 refactor a bit of code. 
When moving constant entries in 'Map' if the entry is the representative
constant for the abstractypemap, make sure to update it as well.  This
fixes the bcreader failures from last night on several C++ apps.

llvm-svn: 23628
 2005-10-04 21:35:50 +00:00
Chris Lattner
0fcb065305 Minor speedup to avoid array searches given a Use*. This speeds up bc reading 
of the python test from 1:00 to 54s.

llvm-svn: 23627
 2005-10-04 18:47:09 +00:00
Chris Lattner
e2a54ddd33 Change the signature of replaceUsesOfWithOnConstant. The bool was always 
true dynamically.  Finally, pass the Use* that replaceAllUsesWith has into
the method for future use.

llvm-svn: 23626
 2005-10-04 18:13:04 +00:00
Chris Lattner
8cce7373f7 For large constants (e.g. arrays and structs with many elements) just 
creating the keys and doing comparisons to index into 'Map' takes a lot
of time.  For these large constants, keep an inverse map so that 'remove'
and move operations are much faster.

This speeds up a release build of the bc reader on Eric's nasty python
bytecode file from 1:39 to 1:00s.

llvm-svn: 23624
 2005-10-04 17:48:46 +00:00
Chris Lattner
6627e8e4b5 minor cleanup/fastpath for the bcreader. This speeds up the bcreader 
from 1:41 -> 1:39 on the large python .bc file in a release build.

llvm-svn: 23623
 2005-10-04 16:52:46 +00:00
Chris Lattner
5d68585bb1 implement the struct version of the array speedup, speeding up the 
testcase a bit more from 1:48 -> 1.40.

llvm-svn: 23619
 2005-10-04 01:17:50 +00:00
Chris Lattner
eb44192fe0 Change ConstantArray::replaceUsesOfWithOnConstant to attempt to update 
constant arrays in place instead of reallocating them and replaceAllUsesOf'ing
the result.  This speeds up a release build of the bcreader from:

136.987u 120.866s 4:24.38
to
49.790u 49.890s 1:40.14

... a 2.6x speedup parsing a large python bc file.

llvm-svn: 23614
 2005-10-03 22:51:37 +00:00
Chris Lattner
ae1bdaf67e move some methods, no other changes 
llvm-svn: 23613
 2005-10-03 21:58:36 +00:00
Chris Lattner
6a65c397f3 minor microoptimizations 
llvm-svn: 23612
 2005-10-03 21:56:24 +00:00
Chris Lattner
20786460b5 Split SimpleConstantVal up into its components, so each Constant subclass getsa different enum value. This allows 'classof' for these to be really simple,not needing to call getType() anymore. 
This speeds up isa/dyncast/etc for constants, and also makes them smaller.
For example, the text section of a release build of InstCombine.cpp shrinks
from 230037 bytes to 216363 bytes, a 6% reduction.

llvm-svn: 23467
 2005-09-27 06:09:08 +00:00
Jim Laskey
5f57048c62 Move code dependency for MathExtras.h out of Constants.h. 
llvm-svn: 22840
 2005-08-17 20:06:22 +00:00
Jim Laskey
61e3d7bca5 Culling out use of unions for converting FP to bits and vice versa. 
llvm-svn: 22838
 2005-08-17 19:34:49 +00:00
Misha Brukman
53e199440e Remove trailing whitespace 
llvm-svn: 21427
 2005-04-21 23:48:37 +00:00
Alkis Evlogimenos
19bea8930f Add new function getPtrPtrFromArrayPtr(). 
llvm-svn: 20684
 2005-03-19 11:40:31 +00:00
Reid Spencer
220e2f8519 Fix a typo in an assertion comment. 
Patch contributed by Vladimir Merzliakov.

llvm-svn: 20529
 2005-03-09 15:19:41 +00:00
Chris Lattner
b177010d51 remove all of the various setName implementations, consolidating them into 
Value::setName, which is no longer virtual.

llvm-svn: 20464
 2005-03-05 19:51:50 +00:00
Chris Lattner
2bd3d67a8d Constants never get names. 
llvm-svn: 20459
 2005-03-05 19:01:59 +00:00
Chris Lattner
5244a770c3 Adjust to changes in User class. Aggregate constants now must explicitly 
manage their operands.

llvm-svn: 19890
 2005-01-29 00:34:39 +00:00
Misha Brukman
b0fce1668a Fix grammar 
llvm-svn: 19854
 2005-01-27 06:46:38 +00:00
Chris Lattner
043ec8bb61 Allow getZeroExtend and getSignExtend to work with boolean inputs. 
llvm-svn: 19210
 2005-01-01 15:59:57 +00:00
Chris Lattner
79c3a57af7 Change this method to return ulong, not uint, for 64-bit targets. 
llvm-svn: 18906
 2004-12-13 19:48:51 +00:00
Reid Spencer
657b3137a9 Revert the recent patches to "fix" ConstantFP::isValueValidForType. None 
of them seem to work everywhere.

llvm-svn: 18598
 2004-12-07 07:38:08 +00:00
Reid Spencer
66a5217325 Provide a missing header file. 
llvm-svn: 18597
 2004-12-07 07:08:08 +00:00
Reid Spencer
0db7313146 Fix some comments. 
llvm-svn: 18596
 2004-12-07 07:06:47 +00:00
Alkis Evlogimenos
3bcde892c3 Fix check for valid floats. Also use and HUGE_VALF instead 
of std::numeric_limits, because they work in more platforms.

llvm-svn: 18593
 2004-12-07 06:46:50 +00:00
Reid Spencer
25b1f95558 For PR409: \ 
Test the range of float constants to ensure we are not attempting to create a \
float constant using a double value that is out of range for a float

llvm-svn: 18585
 2004-12-06 22:18:37 +00:00
Chris Lattner
7a2566c4ff Add hooks to free all memory allocated by the singleton factories in these 
files.  Patch contributed by Morten Ofstad!

llvm-svn: 17995
 2004-11-19 16:39:44 +00:00
Alkis Evlogimenos
e88c2aaed7 Gep indices must be of int, uint, long or ulong type. 
llvm-svn: 17313
 2004-10-28 06:43:38 +00:00
Alkis Evlogimenos
4c30220f3a Make this actually work. 
llvm-svn: 17199
 2004-10-24 03:02:16 +00:00
Alkis Evlogimenos
a893aad8fb Add ConstantExpr::getSizeOf(Type*). 
llvm-svn: 17196
 2004-10-24 01:41:10 +00:00
Chris Lattner
8824a5ee1c Implement UndefValue class 
llvm-svn: 17040
 2004-10-16 18:07:16 +00:00
Chris Lattner
63ba63bb56 Allow creation of GEP constantexprs with a vector of value* operands as 
well as a vector of constant*'s.  It turns out that this is more efficient
and all of the clients want to do that, so we should cater to them.

llvm-svn: 16923
 2004-10-11 22:52:25 +00:00
Alkis Evlogimenos
95075646ab When creating constant arrays check that the initializer vector is the 
same size as the one in the array type.

llvm-svn: 16354
 2004-09-15 02:32:15 +00:00
Alkis Evlogimenos
04207a7cf6 Add assertion descriptiosn on type mismatches when creating 
ConstantArray and ConstantPacked objects.

llvm-svn: 16261
 2004-09-10 04:16:59 +00:00
Reid Spencer
c4abcbefb1 Changes For Bug 352 
Move include/Config and include/Support into include/llvm/Config,
include/llvm/ADT and include/llvm/Support. From here on out, all LLVM
public header files must be under include/llvm/.

llvm-svn: 16137
 2004-09-01 22:55:40 +00:00
Brian Gaeke
01636f4e0f Packed types, brought to you by Brad Jones 
llvm-svn: 15938
 2004-08-20 06:00:58 +00:00
Chris Lattner
5b69d2d1b5 Check constant expression validity more strictly 
llvm-svn: 15883
 2004-08-17 17:28:46 +00:00
Chris Lattner
b22ba044c1 Add a hack to work around a problem my changes exposed 
llvm-svn: 15509
 2004-08-04 22:26:13 +00:00
Chris Lattner
4107bfcf9b Fix a latent bug exposed by my recent changes 
llvm-svn: 15498
 2004-08-04 18:50:09 +00:00
Alkis Evlogimenos
72232b4a01 Stop using getValues(). 
llvm-svn: 15482
 2004-08-04 08:02:59 +00:00
Chris Lattner
100d0875ba Implement a FIXME, by not searching linearly through a map to remove an 
element.  This speeds up the bytecode reader from 12.86s to 8.72s on 252.eon.

llvm-svn: 15463
 2004-08-04 04:48:01 +00:00
Misha Brukman
58104df77b Fix #includes of i*.h => Instructions.h as per PR403. 
llvm-svn: 15334
 2004-07-29 17:30:56 +00:00
Chris Lattner
6dbdddfa28 classof implementations are now inlined 
llvm-svn: 14987
 2004-07-19 00:59:10 +00:00
Reid Spencer
56e2bed436 bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Minimize redundant isa<GlobalValue> usage
- Correct isa<Constant> for GlobalValue subclass
- Delete ConstantPointerRef member function implementations

llvm-svn: 14928
 2004-07-17 23:48:33 +00:00
Chris Lattner
3f023d6df9 implement new helper method 
llvm-svn: 14776
 2004-07-12 20:35:11 +00:00
Reid Spencer
abf33934d2 #include <iostream> since its not in Value.h any more. 
llvm-svn: 14614
 2004-07-04 11:51:24 +00:00
Chris Lattner
3a8e3bce6c Make ConstantBool act like a 1 bit ConstantInt, in order to simplify client 
code.  Patch contributed by Vladimir Prus.

llvm-svn: 14280
 2004-06-21 12:12:12 +00:00
Chris Lattner
0cd29ae2cd Rename Type::PrimitiveID to TypeId and ::getPrimitiveID() to ::getTypeID() 
llvm-svn: 14201
 2004-06-17 18:19:28 +00:00
Chris Lattner
6a6148fda0 Workaround or a VS miscompilation bug 
llvm-svn: 14078
 2004-06-08 23:21:39 +00:00
Chris Lattner
f6950439d6 Delete some unreachable code 
llvm-svn: 14031
 2004-06-04 23:52:36 +00:00
Chris Lattner
84431acbf1 Implement some helpers 
llvm-svn: 13738
 2004-05-25 05:32:43 +00:00
Chris Lattner
eb1caeca2a Add ConstantExpr::get(Sign|Zero)Extend methods 
llvm-svn: 12648
 2004-04-04 23:20:30 +00:00
Chris Lattner
5a789b5e06 Add support for constant expr casts 
llvm-svn: 12564
 2004-03-31 02:56:11 +00:00
Chris Lattner
1d78eb6094 Fix a latent bug in select constantexpr handling that was broke 253.perlbmk 
llvm-svn: 12562
 2004-03-30 22:51:03 +00:00
Chris Lattner
50dc89f874 Handle -0.0 correctly 
llvm-svn: 12530
 2004-03-29 19:51:24 +00:00
Chris Lattner
7f5d56b43a Add a bunch of methods that should have been added a long time ago. 
llvm-svn: 12526
 2004-03-29 02:37:53 +00:00
Chris Lattner
c84ec93d3e Add support for select constant expressions. Use reserve a bit more to avoid 
memory wasteage.

llvm-svn: 12323
 2004-03-12 05:54:04 +00:00
Chris Lattner
aa5d8cb72f Eliminate nightmarish API 
llvm-svn: 12214
 2004-03-08 06:11:10 +00:00
Chris Lattner
11c0e5b684 Move the folding of gep null, 0, 0, 0 to a place where it can be shared and 
enjoyed by all, fixing a fixme.  Add an assert

llvm-svn: 11505
 2004-02-16 20:46:13 +00:00
Chris Lattner
363cd9e4b8 Add a new ConstantAggregateZero class, to fix PR239. This makes zero 
initializers for constant structs and arrays take constant space, instead of
space proportinal to the number of elements.  This reduces the memory usage of
the LLVM compiler by hundreds of megabytes when compiling some nasty SPEC95
benchmarks.

llvm-svn: 11470
 2004-02-15 05:53:04 +00:00
Chris Lattner
0f819b9523 ConstantArray::get and ConstantStruct::get now just return pointers to 
'Constant', instead of specific subclass pointers.  In the future, these will
return an instance of ConstantAggregateZero if all of the inputs are zeros.

llvm-svn: 11467
 2004-02-15 04:14:47 +00:00
Chris Lattner
52cc69f39e Remove dependence on return type of ConstantStruct::get 
llvm-svn: 11466
 2004-02-15 04:07:32 +00:00
Chris Lattner
3fd2b573f1 Remove dependence on the return type of ConstantArray::get 
llvm-svn: 11463
 2004-02-15 04:05:58 +00:00
Chris Lattner
c8d0942108 Keep a cache of non-abstract null arrays and structs. This speeds up llvm-dis 
from 16.57 -> 13.46s on 129.compress.

llvm-svn: 11462
 2004-02-15 02:46:46 +00:00
Chris Lattner
16690fad3d Adjust to the changed StructType interface. In particular, getElementTypes() is gone. 
llvm-svn: 11228
 2004-02-09 04:37:31 +00:00
Chris Lattner
a61cda01c2 Second half of a fix for PR218 & test/Regression/Assembler/2004-02-01-NegativeZero.llx. 
Basically we store floating point values as their integral components, instead of relying
on the semantics of floating point < to differentiate between values.  This is likely to
make the map search be faster anyway.

llvm-svn: 11064
 2004-02-01 22:49:04 +00:00
Chris Lattner
317a6fec82 Fix a problem brian ran into with the bytecode reader asserting. It turns 
out that the problem was actually the writer writing out a 'null' value
because it didn't normalize it.  This fixes:
test/Regression/Assembler/2004-01-22-FloatNormalization.ll

llvm-svn: 10967
 2004-01-23 00:55:21 +00:00
Chris Lattner
8767bd75e4 Fix bug in previous checkin: Demorgan would be ashamed of me, I need to 
lay off the crack.

llvm-svn: 10855
 2004-01-14 17:51:53 +00:00
Chris Lattner
a991025919 Implement ConstantArray::isString 
llvm-svn: 10851
 2004-01-14 17:06:38 +00:00
Chris Lattner
b4e121c364 Rename ConstantHandling.* -> ConstantFolding.* 
Move a bunch of (now) private stuff from ConstantFolding.h into
ConstantFolding.cpp.

This _finally_ gets us to a place where we have a sane constant folder.  The
rules are:

1. LLVM clients now use ConstantExpr::get* methods to fold constants.  If they
   cannot be folded, a constantexpr is created, so these methods always return
   valid Constant*'s.
2. The implementation of ConstantExpr::get* uses the functions exposed by
   ConstantFolding.h to try to fold constants.  If they cannot be folded,
   they should return a null pointer.
3. The implementation of ConstantFolding can do whatever it wants, and only
   has one client (Constants.cpp)

This cuts down on the wierd dependencies, and eliminates the two interfaces.
The old constanthandling interface was especially bad for clients to use
because almost none of them took the failure condition into consideration,
thus leading to obscure problems.

llvm-svn: 10807
 2004-01-12 21:13:12 +00:00
Chris Lattner
d757923e11 Move ConstantHandling.h into lib/VMCore and out of include/llvm 
llvm-svn: 10805
 2004-01-12 20:48:11 +00:00
Chris Lattner
b420886171 Eliminate ConstantFoldShiftInstruction reference 
llvm-svn: 10801
 2004-01-12 20:40:42 +00:00
Chris Lattner
35771f4fd2 Fix out of date comment, remove use of ConstantExpr::getShift 
llvm-svn: 10794
 2004-01-12 19:12:58 +00:00
Chris Lattner
52759f5c5e Make ConstantExpr::get work for shifts as well 
llvm-svn: 10790
 2004-01-12 19:04:55 +00:00
Chris Lattner
a1da49a55c Finegrainify namespacification 
llvm-svn: 10131
 2003-11-21 20:23:48 +00:00
Chris Lattner
1f762c7571 The ConstantPointer class is now gone. 
llvm-svn: 10057
 2003-11-17 19:47:21 +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
Chris Lattner
352ad83271 Add support for constant expr shifts 
llvm-svn: 9735
 2003-11-05 19:53:03 +00:00
Chris Lattner
4347464e2a Fix bug: instcombine/2003-10-23-InstcombineNullFail.ll 
llvm-svn: 9403
 2003-10-23 05:21:48 +00:00
Chris Lattner
53d92d23b0 Fix problem which effected linking apache 
llvm-svn: 9335
 2003-10-21 17:39:59 +00:00
John Criswell
b402729b30 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner
bd123c6e51 Add a sanity check for constant expression casts 
llvm-svn: 8951
 2003-10-07 22:19:19 +00:00
Chris Lattner
b5f0d32b91 Type tables are now AbstractTypeUsers. This allows them to merge together 
constants as necessary due to type resolution.  With this change, the
following spec benchmarks now link: 176.gcc, 177.mesa, 252.eon,
253.perlbmk, & 300.twolf.  IOW, all SPEC INT and FP benchmarks now link.

llvm-svn: 8853
 2003-10-05 00:17:43 +00:00
Chris Lattner
06dbcc0540 Minor random speedup: make Constant::getNullValue only call ConstantFOO::get 
once!

llvm-svn: 8845
 2003-10-03 19:34:51 +00:00
Chris Lattner
101d5058cb These methods are dead, remove them. Because the bodies will soon be 
ressurected, just ifdef them out for now.

llvm-svn: 8840
 2003-10-03 18:39:57 +00:00
Chris Lattner
83856d0df1 There is no reason for Value to be an AbstractTypeUser. This just makes things 
significantly more complete.  Instead, just make DerivedType's AbstractTypeUser's,
and make Value contain a PATypeHolder.

llvm-svn: 8828
 2003-10-02 19:44:40 +00:00
Chris Lattner
286e92a9ef Implement "unsafe" replaceAllUsesWWith stuff for use during type resolution. 
llvm-svn: 8209
 2003-08-29 05:36:46 +00:00
Chris Lattner
a2a7b891e5 Refactor code to make it useful outside of Constants.cpp 
llvm-svn: 8205
 2003-08-29 05:09:37 +00:00
Misha Brukman
cda7f97dbb The word dependent' has no a'. 
llvm-svn: 8030
 2003-08-21 22:14:26 +00:00
Chris Lattner
9fed232059 Fix linking bug in xboard 
llvm-svn: 7952
 2003-08-18 16:54:48 +00:00
Chris Lattner
6457a808f0 Fix a bug that brian reported 
llvm-svn: 7428
 2003-07-30 19:04:37 +00:00
Chris Lattner
6ad460b336 Simplify code by using ConstantInt::getRawValue instead of checking to see 
whether the constant is signed or unsigned, then casting

llvm-svn: 7252
 2003-07-23 15:22:26 +00:00
Chris Lattner
b40f50e3d1 Fix bug: InstCombine/2003-06-22-ConstantExprCrash.ll 
llvm-svn: 6857
 2003-06-22 20:48:30 +00:00
Chris Lattner
343c4d4987 Fix bug: Linker/2003-06-02-TypeResolveProblem2.ll 
llvm-svn: 6699
 2003-06-16 12:11:33 +00:00
Chris Lattner
37b01d74e4 * Make assertion message useful 
* Kill dead conditional

llvm-svn: 6544
 2003-06-02 17:42:47 +00:00
Chris Lattner
c17deffb2b Fix bug: Linker/2003-06-02-TypeResolveProblem.ll 
llvm-svn: 6542
 2003-06-02 17:25:46 +00:00
Chris Lattner
fbb45c1b92 Fix problem with last checkin. 
llvm-svn: 6328
 2003-05-25 16:15:32 +00:00
Chris Lattner
500984b918 Fix Bug: Linker/2003-04-26-NullPtrLinkProblem.ll 
This was a problem with constants having their types resolved to some new type,
but there was already a constant of the new type created.  Before, these types
were never merged together, now they are.

llvm-svn: 6314
 2003-05-23 20:03:32 +00:00
Chris Lattner
0462d7b16d Add support for shift constant expressions 
llvm-svn: 6260
 2003-05-21 17:49:25 +00:00
Chris Lattner
872fe63520 Fix bug: Assembler/2003-05-15-AssemblerProblem.llx 
llvm-svn: 6234
 2003-05-15 19:37:21 +00:00
Chris Lattner
e02634b9aa Remove unnecessary casts 
llvm-svn: 6201
 2003-05-14 17:51:05 +00:00
Chris Lattner
a33d9882ce Eliminate using declarations 
llvm-svn: 6179
 2003-05-13 21:37:02 +00:00
Chris Lattner
eacb88d2e9 Don't build constantexprs that could be folded 
llvm-svn: 5801
 2003-04-17 19:24:48 +00:00
Chris Lattner
bb00f755ed Change the interface to constant expressions to allow automatic folding 
llvm-svn: 5793
 2003-04-16 22:40:51 +00:00
Chris Lattner
5e5950b7e0 Fix ConstantUInt::isAllOnesValue 
llvm-svn: 5734
 2003-03-10 22:39:02 +00:00
Chris Lattner
90932ffc26 Remove #include 
Extend getNullValue to work with struct and array types

llvm-svn: 5718
 2003-03-06 21:02:18 +00:00
Chris Lattner
5b41b28fb6 - Dramatically simplify the Constant::mutateReferences implementation, 
allowing it to be called on all constant types (structures/arrays)

llvm-svn: 4160
 2002-10-14 03:30:23 +00:00
Chris Lattner
fdf2ca9468 - Rename Instruction::First*Op to *OpsBegin, and Num*Ops to *OpsEnd to 
reflect the fact that it's a range being defined.

llvm-svn: 4147
 2002-10-13 19:39:16 +00:00
Chris Lattner
0acdba0025 - Add new Constant::replaceUsesOfWithOnConstant which has an end result 
similar to User::replaceUsesOfWith but actually does the right thing for
    constants.

llvm-svn: 4102
 2002-10-09 23:12:25 +00:00
Chris Lattner
4a72e094f9 Fix bug: Assembler/2002-10-08-LargeArrayPerformance.ll by using 
std::vector::reserve when possible

llvm-svn: 4085
 2002-10-08 23:33:52 +00:00
Chris Lattner
ad291457ef include/llvm/DataTypes.h includes this #define so we don't need it anymore 
llvm-svn: 3708
 2002-09-13 22:24:57 +00:00
Chris Lattner
596aa597a6 Give better assertion message for error conditions 
llvm-svn: 3680
 2002-09-11 01:21:04 +00:00
Chris Lattner
3ce5b343c5 - Renamed Type::isIntegral() to Type::isInteger() 
- Added new method Type::isIntegral() that is the same as isInteger, but
    also accepts bool.

llvm-svn: 3574
 2002-09-03 01:08:28 +00:00
Chris Lattner
cc9d7e01c9 Add support for turning an array of characters into a string. 
llvm-svn: 3509
 2002-08-26 17:53:56 +00:00
Chris Lattner
45aae6cd96 - ConstantPointerRefs are now automatically removed from the module table 
when they are destroyed, which makes Constant::destroyConstant an actually
    useful external interface.  Expose these methods publicly.
  - Implement destroyConstant on ConstPointerNull so that destroyConstant can
    be used on any derived type constant safely.

llvm-svn: 3379
 2002-08-18 00:40:04 +00:00
Chris Lattner
6a9d88347a Remove support for Not ConstantExpr. This simplifies the unary case to only 
have to support the cast instruction, so the function is renamed to getCast.

llvm-svn: 3328
 2002-08-14 18:24:09 +00:00
Chris Lattner
26186786e1 Return null on failure, instead of aborting. 
llvm-svn: 3308
 2002-08-14 17:12:13 +00:00
Chris Lattner
b639abc322 - Rename ConstantGenericIntegral -> ConstantIntegral 
- Add new methods to ConstantIntegral: getMaxValue, getMinValue,
   getAllOnesValue

llvm-svn: 3299
 2002-08-13 17:50:20 +00:00
Chris Lattner
4fbca59155 - Added a new superclass of ConstantBool/ConstantInt: ConstantGenericIntegral 
- Moved InstCombine: isMaxValue, isMinValue, isAllOnesValue to Constants.h

llvm-svn: 3293
 2002-08-12 21:21:21 +00:00
Chris Lattner
1720a4c0b7 Cleanup ConstantExpr handling: 
* Correctly delete TypeHandles in AsmParser.  In addition to not leaking
   memory, this prevents a bug that could have occurred when a type got
   resolved that the constexpr was using
 * Check for errors in the AsmParser instead of hitting assertion failures
   deep in the code
 * Simplify the interface to the ConstantExpr class, removing unneccesary
   parameters to the ::get* methods.
 * Rename the 'getelementptr' version of ConstantExpr::get to
   ConstantExpr::getGetElementPtr

llvm-svn: 3161
 2002-07-30 18:54:25 +00:00
Chris Lattner
5f11498859 *** empty log message *** 
llvm-svn: 3065
 2002-07-24 22:08:53 +00:00
Chris Lattner
6be9ee3029 * ConstExpr::getelementptr now takes a vector of Constants not Values 
* Assert things instead of printing an error and returning null.

llvm-svn: 2949
 2002-07-18 00:14:50 +00:00
Anand Shukla
a8a95f234b added std:: to cerr and endl 
llvm-svn: 2914
 2002-07-16 00:02:17 +00:00
Vikram S. Adve
45eeb8e738 Ensure ConstExpr constants are unique using a 
map of <opcode, operands> to ConstExpr.

llvm-svn: 2909
 2002-07-15 18:19:33 +00:00
Vikram S. Adve
d670638ee6 Added subclass ConstantExpr to represent expressions consructed from 
constants using operators such as cast, getelementptr, add, shl, etc.
Note that a ConstantExpr can be of any type, so classof() in most
other subclasses (that discriminate by type) have to check that it
is also not a ConstantExpr.

llvm-svn: 2901
 2002-07-14 23:13:17 +00:00
Chris Lattner
a590093513 *** empty log message *** 
llvm-svn: 2813
 2002-06-30 16:25:25 +00:00
Anand Shukla
5dbf11fc92 added include<iostream> for cerr 
llvm-svn: 2800
 2002-06-25 22:04:00 +00:00
Chris Lattner
dfd421a7df MEGAPATCH checkin. 
For details, See: docs/2002-06-25-MegaPatchInfo.txt

llvm-svn: 2779
 2002-06-25 16:13:24 +00:00
Chris Lattner
321a8cf4ba Split ConstantVals.h into Constant.h and Constants.h 
llvm-svn: 2378
 2002-04-28 19:55:58 +00:00
Chris Lattner
83819833b1 * Change Constant::getNullConstant to Constant::getNullValue 
* Remove some unused code

llvm-svn: 2324
 2002-04-27 02:25:43 +00:00
Chris Lattner
8f81cd7da6 Move asmwriter/getStrValue cruft into AsmWriter.cpp file. 
llvm-svn: 2300
 2002-04-18 18:53:33 +00:00
Chris Lattner
c43b279e94 Remove unneccesary cast 
llvm-svn: 2269
 2002-04-16 21:36:29 +00:00
Chris Lattner
137fa92dce * Move include/llvm/Analysis/SlotCalculator.h to include/llvm/SlotCalculator.h 
because the slot calculator is already part of the VMCore library.
* Rename incorporateMethod and purgeMethod to *Function

llvm-svn: 2154
 2002-04-07 22:49:37 +00:00
Chris Lattner
47f1f0e588 Remove some gross code by using the VAlue::dump method to do debug dumps 
llvm-svn: 2149
 2002-04-07 22:32:25 +00:00
Chris Lattner
96135c924f Fix Bug: test/Regression/Other/2002-04-07-InfConstant.ll 
llvm-svn: 2142
 2002-04-07 08:42:53 +00:00
Chris Lattner
1c83a4a20c Fix bug: test/Regression/Other/2002-04-07-HexFloatConstants.ll 
llvm-svn: 2141
 2002-04-07 08:37:11 +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
eb03e839bc Rename ConstPoolVals.cpp to Constants.cpp 
llvm-svn: 1471
 2001-12-14 16:42:30 +00:00