Benjamin Kramer
6f88fcb16b
Apparently APFloat::getZero doesn't like PPCDoubleDoubles.
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llvm-svn: 120909
2010-12-04 14:43:08 +00:00
Benjamin Kramer
8ceebfaa04
Simplify code. No functionality change.
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llvm-svn: 120907
2010-12-04 14:22:24 +00:00
Benjamin Kramer
ddd1b7b801
Simplify code. No change in functionality.
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llvm-svn: 119908
2010-11-20 18:43:35 +00:00
Chris Lattner
13ee795c42
remove unions from LLVM IR. They are severely buggy and not
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being actively maintained, improved, or extended.
llvm-svn: 112356
2010-08-28 04:09:24 +00:00
Oscar Fuentes
40b31ad3ee
Prefix `next' iterator operation with `llvm::'.
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Fixes potential ambiguity problems on VS 2010.
Patch by nobled!
llvm-svn: 110029
2010-08-02 06:00:15 +00:00
Benjamin Kramer
3d4af4e91e
Preallocate vector, avoid unnecessary vector growth.
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llvm-svn: 109971
2010-08-01 11:43:26 +00:00
Chris Lattner
718da70ca2
Fix PR7658, a problem where type refinement can trigger
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constant replacement which was botching its handling of
types. Use of getType() instead of getRawType() was causing
the type map in constant folding to be updated wrong.
llvm-svn: 108610
2010-07-17 06:13:52 +00:00
Dan Gohman
a2414ea190
Remove the API compatibility layer which converted add, sub, and mul
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to fadd, fsub, and fmul, when used with a floating-point type. LLVM
has supported the new instructions since 2.6, so it's time to get
on board.
llvm-svn: 102971
2010-05-03 22:44:19 +00:00
Dan Gohman
3cdcc3f728
Simplify this code.
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llvm-svn: 101074
2010-04-12 22:12:29 +00:00
Chris Lattner
a3b94ba2c5
move some method definitions to files that make sense.
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llvm-svn: 99927
2010-03-30 20:48:48 +00:00
Chris Lattner
61f3bd6772
add support for zero initialized unions, patch by Tim Northover!
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llvm-svn: 99818
2010-03-29 17:36:02 +00:00
Gabor Greif
c78d720f02
rename use_const_iterator to const_use_iterator for consistency's sake
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llvm-svn: 99564
2010-03-25 23:06:16 +00:00
Talin
1feba3c980
replaceUsesOfWithOnConstant implementation for unions.
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llvm-svn: 96616
2010-02-18 21:43:45 +00:00
Duncan Sands
19d0b47b1f
There are two ways of checking for a given type, for example isa<PointerType>(T)
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and T->isPointerTy(). Convert most instances of the first form to the second form.
Requested by Chris.
llvm-svn: 96344
2010-02-16 11:11:14 +00:00
Duncan Sands
9dff9bec31
Uniformize the names of type predicates: rather than having isFloatTy and
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isInteger, we now have isFloatTy and isIntegerTy. Requested by Chris!
llvm-svn: 96223
2010-02-15 16:12:20 +00:00
Chris Lattner
392be58cad
Add support for a union type in LLVM IR. Patch by Talin!
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llvm-svn: 96011
2010-02-12 20:49:41 +00:00
Duncan Sands
fa5f5965de
Adding missing methods for creating Add, Mul, Neg and Sub with NUW.
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llvm-svn: 95086
2010-02-02 12:53:04 +00:00
Chris Lattner
f5edeebd8c
eliminate a bunch of pointless LLVMContext arguments.
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llvm-svn: 95001
2010-02-01 20:48:08 +00:00
Dan Gohman
de047f2051
Add a getNUWMul function.
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llvm-svn: 94982
2010-02-01 16:38:14 +00:00
Dan Gohman
ede94e6850
Add a generalized form of ConstantExpr::getOffsetOf which works for
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array types as well as struct types, and which accepts arbitrary
Constant indicies.
llvm-svn: 94981
2010-02-01 16:37:38 +00:00
Dan Gohman
a9be73929f
Make getAlignOf return an i64, for consistency with getSizeOf and
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getOffsetOf, and remove the comment about assuming i8 is byte-aligned,
which is no longer applicable.
llvm-svn: 94738
2010-01-28 02:43:22 +00:00
Dan Gohman
cf9138307d
Remove SCEVAllocSizeExpr and SCEVFieldOffsetExpr, and in their place
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use plain SCEVUnknowns with ConstantExpr::getSizeOf and
ConstantExpr::getOffsetOf constants. This eliminates a bunch of
special-case code.
Also add code for pattern-matching these expressions, for clients that
want to recognize them.
Move ScalarEvolution's logic for expanding array and vector sizeof
expressions into an element count times the element size, to expose
the multiplication to subsequent folding, into the regular constant
folder.
llvm-svn: 94737
2010-01-28 02:15:55 +00:00
Chris Lattner
37bc78a5e2
fix CastInst::castIsValid to reject aggregate types, fixing PR6153:
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llvm-as: t.ll:1:25: error: invalid cast opcode for cast from '[4 x i8]' to '[1 x i32]'
@x = constant [1 x i32] bitcast ([4 x i8] c"abcd" to [1 x i32])
^
llvm-svn: 94595
2010-01-26 21:51:43 +00:00
Nick Lewycky
9e26c1cc0c
Fix a crasher trying to fold each element in a comparison between two vectors
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if one of the vectors didn't have elements (such as undef). Fixes PR 6096.
Fix an issue in the constant folder where fcmp (<2 x %ty>, <2 x %ty>) would
have <2 x i1> type if constant folding was successful and i1 type if it wasn't.
This exposed a related issue in the bitcode reader.
llvm-svn: 94069
2010-01-21 07:03:21 +00:00
Benjamin Kramer
d2564e3afb
Move remaining stuff to the isInteger predicate.
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llvm-svn: 92771
2010-01-05 21:05:54 +00:00
Benjamin Kramer
a81a6dff0d
Convert a ton of simple integer type equality tests to the new predicate.
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llvm-svn: 92760
2010-01-05 20:07:06 +00:00
David Greene
1e27a13838
Change errs() to dbgs().
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llvm-svn: 92650
2010-01-05 01:29:19 +00:00
Chris Lattner
a7cfc43af8
differences between two blockaddress's don't cause a
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global variable initializer to require relocations.
llvm-svn: 92450
2010-01-03 18:09:40 +00:00
Chris Lattner
09660c9b06
remove some misleading comments.
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llvm-svn: 92311
2009-12-30 20:25:09 +00:00
Chris Lattner
b9c8651b8c
add a layer of accessors around the Value::SubClassData member, and use
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a convention (shadowing the setter with private forwarding function) to
prevent subclasses from accidentally using it.
This exposed some bogosity in ConstantExprs, which was propaging the
opcode of the constant expr into the NUW/NSW/Exact field in the
getWithOperands/getWithOperandReplaced methods.
llvm-svn: 92239
2009-12-29 02:14:09 +00:00
Dan Gohman
4e3b29e309
Add utility routines for NSW multiply.
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llvm-svn: 91664
2009-12-18 03:10:26 +00:00
Dan Gohman
4ab4420d7a
Add utility routines for creating integer negation operators with NSW set.
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Integer negation only overflows with INT_MIN, but that's an important case.
llvm-svn: 91662
2009-12-18 02:58:50 +00:00
Chris Lattner
ff09559a8f
whitespace cleanup
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llvm-svn: 90834
2009-12-08 05:31:46 +00:00
Daniel Dunbar
ad36e8aceb
Pass StringRef by value.
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llvm-svn: 86251
2009-11-06 10:58:06 +00:00
Chris Lattner
37536b90e1
remove a bunch of locking from LLVMContextImpl. Since only one thread
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can be banging on a context at a time, this isn't needed. Owen, please
review.
llvm-svn: 85728
2009-11-01 18:42:03 +00:00
Chris Lattner
253bc77513
the verifier shouldn't modify the IR.
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llvm-svn: 85722
2009-11-01 18:11:50 +00:00
Chris Lattner
c559a9f686
Fix BlockAddress::replaceUsesOfWithOnConstant to correctly
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maintain the block use count in SubclassData.
llvm-svn: 85701
2009-11-01 03:03:03 +00:00
Chris Lattner
aa99c94e2a
Revert 85678/85680. The decision is to stay with the current form of
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indirectbr, thus we don't need "blockaddr(@func, null)". Eliminate it
for simplicity.
llvm-svn: 85699
2009-11-01 01:27:45 +00:00
Chris Lattner
b2c0e243c5
Make blockaddress(@func, null) be valid, and make 'deleting a basic
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block with a blockaddress still referring to it' replace the invalid
blockaddress with a new blockaddress(@func, null) instead of a
inttoptr(1).
This changes the bitcode encoding format, and still needs codegen
support (this should produce a non-zero value, referring to the entry
block of the function would also be quite reasonable).
llvm-svn: 85678
2009-10-31 20:08:37 +00:00
Chris Lattner
74eb5d71a3
make hasAddressTaken() constant time by storing a refcount in BB's subclass data.
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llvm-svn: 85625
2009-10-30 22:33:29 +00:00
Chris Lattner
a91a563530
Previously, all operands to Constant were themselves constant.
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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
Chris Lattner
2cb85b4020
'static const void *X = &&y' can only be put in the
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readonly section if a reference to the containing function
is valid in the readonly section.
llvm-svn: 85370
2009-10-28 04:12:16 +00:00
Chris Lattner
31b132c0b7
IR support for the new BlockAddress constant kind. This is
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untested and there is no way to use it, next up: doing battle
with asmparser.
llvm-svn: 85349
2009-10-28 00:01:44 +00:00
Owen Anderson
5dab84ca9c
Banish ConstantsLock. It's serving no purpose other than slowing things down
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at the moment.
llvm-svn: 84529
2009-10-19 20:11:52 +00:00
Chris Lattner
fdd8790718
strength reduce a ton of type equality tests to check the typeid (Through
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the new predicates I added) instead of going through a context and doing a
pointer comparison. Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.
llvm-svn: 83297
2009-10-05 05:54:46 +00:00
Nick Lewycky
ae4617c974
Requires element types in a constant initializer to match the element types of
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of the constant. This reverts r6544 and r7428.
llvm-svn: 83270
2009-10-03 19:30:43 +00:00
Jeffrey Yasskin
8ce67f83bc
Assert that ConstantArrays are created with correctly-typed elements.
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llvm-svn: 83168
2009-09-30 21:08:08 +00:00
Duncan Sands
129de48982
For the NSWSub support in the builder to actually be useable,
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there need to be corresponding changes to the constant folders,
done in this patch.
llvm-svn: 82862
2009-09-26 15:35:35 +00:00
Dan Gohman
394468dc8e
Rename ConstantFP's getInf to getInfinity.
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llvm-svn: 82823
2009-09-25 23:40:21 +00:00
Dan Gohman
feb5021134
Add a ConstantFP::getInf utility function for creating infinity ConstantFPs.
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llvm-svn: 82818
2009-09-25 23:00:48 +00:00