3cdc27c868
Handle -0.0 correctly
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llvm-svn: 12530
2004-03-29 19:51:24 +00:00
817175f883
Add a bunch of methods that should have been added a long time ago.
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llvm-svn: 12526
2004-03-29 02:37:53 +00:00
6e415c06c2
Add support for select constant expressions. Use reserve a bit more to avoid
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memory wasteage.
llvm-svn: 12323
2004-03-12 05:54:04 +00:00
9f4918ab93
Eliminate nightmarish API
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llvm-svn: 12214
2004-03-08 06:11:10 +00:00
04b60fe5ad
Move the folding of gep null, 0, 0, 0 to a place where it can be shared and
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enjoyed by all, fixing a fixme. Add an assert
llvm-svn: 11505
2004-02-16 20:46:13 +00:00
9fba3da879
Add a new ConstantAggregateZero class, to fix PR239. This makes zero
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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
015e821279
ConstantArray::get and ConstantStruct::get now just return pointers to
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'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
37a716fa80
Remove dependence on return type of ConstantStruct::get
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llvm-svn: 11466
2004-02-15 04:07:32 +00:00
c75bf528c1
Remove dependence on the return type of ConstantArray::get
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llvm-svn: 11463
2004-02-15 04:05:58 +00:00
5d56c478ba
Keep a cache of non-abstract null arrays and structs. This speeds up llvm-dis
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from 16.57 -> 13.46s on 129.compress.
llvm-svn: 11462
2004-02-15 02:46:46 +00:00
ac6db755c3
Adjust to the changed StructType interface. In particular, getElementTypes() is gone.
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llvm-svn: 11228
2004-02-09 04:37:31 +00:00
ac80ea4970
Second half of a fix for PR218 & test/Regression/Assembler/2004-02-01-NegativeZero.llx.
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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
241ed4c500
Fix a problem brian ran into with the bytecode reader asserting. It turns
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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
e8701f690f
Fix bug in previous checkin: Demorgan would be ashamed of me, I need to
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lay off the crack.
llvm-svn: 10855
2004-01-14 17:51:53 +00:00
e8dfccaabd
Implement ConstantArray::isString
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llvm-svn: 10851
2004-01-14 17:06:38 +00:00
5a945e3616
Rename ConstantHandling.* -> ConstantFolding.*
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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
2361bd02a1
Move ConstantHandling.h into lib/VMCore and out of include/llvm
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llvm-svn: 10805
2004-01-12 20:48:11 +00:00
0bba771f49
Eliminate ConstantFoldShiftInstruction reference
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llvm-svn: 10801
2004-01-12 20:40:42 +00:00
9eb2b527ad
Fix out of date comment, remove use of ConstantExpr::getShift
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llvm-svn: 10794
2004-01-12 19:12:58 +00:00
5645e8a82d
Make ConstantExpr::get work for shifts as well
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llvm-svn: 10790
2004-01-12 19:04:55 +00:00
189d19fb04
Finegrainify namespacification
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llvm-svn: 10131
2003-11-21 20:23:48 +00:00
e120a73166
The ConstantPointer class is now gone.
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llvm-svn: 10057
2003-11-17 19:47:21 +00:00
960707c335
Put all LLVM code into the llvm namespace, as per bug 109.
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llvm-svn: 9903
2003-11-11 22:41:34 +00:00
b36e8a1a2e
Add support for constant expr shifts
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llvm-svn: 9735
2003-11-05 19:53:03 +00:00
8a55262c76
Fix bug: instcombine/2003-10-23-InstcombineNullFail.ll
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llvm-svn: 9403
2003-10-23 05:21:48 +00:00
7267b352fb
Fix problem which effected linking apache
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llvm-svn: 9335
2003-10-21 17:39:59 +00:00
482202a601
Added LLVM project notice to the top of every C++ source file.
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Header files will be on the way.
llvm-svn: 9298
2003-10-20 19:43:21 +00:00
815ae2bfe3
Add a sanity check for constant expression casts
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llvm-svn: 8951
2003-10-07 22:19:19 +00:00
b50d135710
Type tables are now AbstractTypeUsers. This allows them to merge together
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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
3e88ef9f93
Minor random speedup: make Constant::getNullValue only call ConstantFOO::get
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once!
llvm-svn: 8845
2003-10-03 19:34:51 +00:00
29dc65a324
These methods are dead, remove them. Because the bodies will soon be
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ressurected, just ifdef them out for now.
llvm-svn: 8840
2003-10-03 18:39:57 +00:00
22e4ca8863
There is no reason for Value to be an AbstractTypeUser. This just makes things
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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
c27038d7b5
Implement "unsafe" replaceAllUsesWWith stuff for use during type resolution.
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llvm-svn: 8209
2003-08-29 05:36:46 +00:00
9f15812e88
Refactor code to make it useful outside of Constants.cpp
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llvm-svn: 8205
2003-08-29 05:09:37 +00:00
be372b91e1
The word `dependent' has no `a'.
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llvm-svn: 8030
2003-08-21 22:14:26 +00:00
ab69ecc6d5
Fix linking bug in xboard
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llvm-svn: 7952
2003-08-18 16:54:48 +00:00
3a5c2826d5
Fix a bug that brian reported
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llvm-svn: 7428
2003-07-30 19:04:37 +00:00
6077c3195f
Simplify code by using ConstantInt::getRawValue instead of checking to see
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whether the constant is signed or unsigned, then casting
llvm-svn: 7252
2003-07-23 15:22:26 +00:00
22ced56476
Fix bug: InstCombine/2003-06-22-ConstantExprCrash.ll
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llvm-svn: 6857
2003-06-22 20:48:30 +00:00
cc7d6ff656
Fix bug: Linker/2003-06-02-TypeResolveProblem2.ll
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llvm-svn: 6699
2003-06-16 12:11:33 +00:00
93c8f14906
* Make assertion message useful
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* Kill dead conditional
llvm-svn: 6544
2003-06-02 17:42:47 +00:00
7fa6783a01
Fix bug: Linker/2003-06-02-TypeResolveProblem.ll
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llvm-svn: 6542
2003-06-02 17:25:46 +00:00
20ec7bc0db
Fix problem with last checkin.
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llvm-svn: 6328
2003-05-25 16:15:32 +00:00
98fa07b1d5
Fix Bug: Linker/2003-04-26-NullPtrLinkProblem.ll
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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
38a9bcde76
Add support for shift constant expressions
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llvm-svn: 6260
2003-05-21 17:49:25 +00:00
cb4d26fb95
Fix bug: Assembler/2003-05-15-AssemblerProblem.llx
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llvm-svn: 6234
2003-05-15 19:37:21 +00:00
55ed6561a1
Remove unnecessary casts
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llvm-svn: 6201
2003-05-14 17:51:05 +00:00
2b383d2ef2
Eliminate using declarations
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llvm-svn: 6179
2003-05-13 21:37:02 +00:00
acdbe7158d
Don't build constantexprs that could be folded
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llvm-svn: 5801
2003-04-17 19:24:48 +00:00
46b3d30bf6
Change the interface to constant expressions to allow automatic folding
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llvm-svn: 5793
2003-04-16 22:40:51 +00:00
Chris Lattner