e17322b3b7
fix comment change.
...
llvm-svn: 125047
2011-02-07 20:03:14 +00:00
a676c0fc77
implement .ll and .bc support for nsw/nuw on shl and exact on lshr/ashr.
...
Factor some code better.
llvm-svn: 125006
2011-02-07 16:40:21 +00:00
35315d065b
enhance vmcore to know that udiv's can be exact, and add a trivial
...
instcombine xform to exercise this.
Nothing forms exact udivs yet though. This is progress on PR8862
llvm-svn: 124992
2011-02-06 21:44:57 +00:00
cf0ff030a8
Have m_One also match constant vectors for which every element is 1.
...
llvm-svn: 124655
2011-02-01 08:39:12 +00:00
9f32cfd35e
Fix indentation.
...
llvm-svn: 124375
2011-01-27 14:44:55 +00:00
1d4a8fe156
Remove casts between Value** and Constant**, which won't work if a
...
static_cast from Constant* to Value* has to adjust the "this" pointer.
This is groundwork for PR889.
llvm-svn: 123435
2011-01-14 08:07:43 +00:00
6f88fcb16b
Apparently APFloat::getZero doesn't like PPCDoubleDoubles.
...
llvm-svn: 120909
2010-12-04 14:43:08 +00:00
8ceebfaa04
Simplify code. No functionality change.
...
llvm-svn: 120907
2010-12-04 14:22:24 +00:00
ddd1b7b801
Simplify code. No change in functionality.
...
llvm-svn: 119908
2010-11-20 18:43:35 +00:00
13ee795c42
remove unions from LLVM IR. They are severely buggy and not
...
being actively maintained, improved, or extended.
llvm-svn: 112356
2010-08-28 04:09:24 +00:00
40b31ad3ee
Prefix `next' iterator operation with `llvm::'.
...
Fixes potential ambiguity problems on VS 2010.
Patch by nobled!
llvm-svn: 110029
2010-08-02 06:00:15 +00:00
3d4af4e91e
Preallocate vector, avoid unnecessary vector growth.
...
llvm-svn: 109971
2010-08-01 11:43:26 +00:00
718da70ca2
Fix PR7658, a problem where type refinement can trigger
...
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
a2414ea190
Remove the API compatibility layer which converted add, sub, and mul
...
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
3cdcc3f728
Simplify this code.
...
llvm-svn: 101074
2010-04-12 22:12:29 +00:00
a3b94ba2c5
move some method definitions to files that make sense.
...
llvm-svn: 99927
2010-03-30 20:48:48 +00:00
61f3bd6772
add support for zero initialized unions, patch by Tim Northover!
...
llvm-svn: 99818
2010-03-29 17:36:02 +00:00
c78d720f02
rename use_const_iterator to const_use_iterator for consistency's sake
...
llvm-svn: 99564
2010-03-25 23:06:16 +00:00
1feba3c980
replaceUsesOfWithOnConstant implementation for unions.
...
llvm-svn: 96616
2010-02-18 21:43:45 +00:00
19d0b47b1f
There are two ways of checking for a given type, for example isa<PointerType>(T)
...
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
9dff9bec31
Uniformize the names of type predicates: rather than having isFloatTy and
...
isInteger, we now have isFloatTy and isIntegerTy. Requested by Chris!
llvm-svn: 96223
2010-02-15 16:12:20 +00:00
392be58cad
Add support for a union type in LLVM IR. Patch by Talin!
...
llvm-svn: 96011
2010-02-12 20:49:41 +00:00
fa5f5965de
Adding missing methods for creating Add, Mul, Neg and Sub with NUW.
...
llvm-svn: 95086
2010-02-02 12:53:04 +00:00
f5edeebd8c
eliminate a bunch of pointless LLVMContext arguments.
...
llvm-svn: 95001
2010-02-01 20:48:08 +00:00
de047f2051
Add a getNUWMul function.
...
llvm-svn: 94982
2010-02-01 16:38:14 +00:00
ede94e6850
Add a generalized form of ConstantExpr::getOffsetOf which works for
...
array types as well as struct types, and which accepts arbitrary
Constant indicies.
llvm-svn: 94981
2010-02-01 16:37:38 +00:00
a9be73929f
Make getAlignOf return an i64, for consistency with getSizeOf and
...
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
cf9138307d
Remove SCEVAllocSizeExpr and SCEVFieldOffsetExpr, and in their place
...
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
37bc78a5e2
fix CastInst::castIsValid to reject aggregate types, fixing PR6153:
...
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
9e26c1cc0c
Fix a crasher trying to fold each element in a comparison between two vectors
...
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
d2564e3afb
Move remaining stuff to the isInteger predicate.
...
llvm-svn: 92771
2010-01-05 21:05:54 +00:00
a81a6dff0d
Convert a ton of simple integer type equality tests to the new predicate.
...
llvm-svn: 92760
2010-01-05 20:07:06 +00:00
1e27a13838
Change errs() to dbgs().
...
llvm-svn: 92650
2010-01-05 01:29:19 +00:00
a7cfc43af8
differences between two blockaddress's don't cause a
...
global variable initializer to require relocations.
llvm-svn: 92450
2010-01-03 18:09:40 +00:00
09660c9b06
remove some misleading comments.
...
llvm-svn: 92311
2009-12-30 20:25:09 +00:00
b9c8651b8c
add a layer of accessors around the Value::SubClassData member, and use
...
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
4e3b29e309
Add utility routines for NSW multiply.
...
llvm-svn: 91664
2009-12-18 03:10:26 +00:00
4ab4420d7a
Add utility routines for creating integer negation operators with NSW set.
...
Integer negation only overflows with INT_MIN, but that's an important case.
llvm-svn: 91662
2009-12-18 02:58:50 +00:00
ff09559a8f
whitespace cleanup
...
llvm-svn: 90834
2009-12-08 05:31:46 +00:00
ad36e8aceb
Pass StringRef by value.
...
llvm-svn: 86251
2009-11-06 10:58:06 +00:00
37536b90e1
remove a bunch of locking from LLVMContextImpl. Since only one thread
...
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
253bc77513
the verifier shouldn't modify the IR.
...
llvm-svn: 85722
2009-11-01 18:11:50 +00:00
c559a9f686
Fix BlockAddress::replaceUsesOfWithOnConstant to correctly
...
maintain the block use count in SubclassData.
llvm-svn: 85701
2009-11-01 03:03:03 +00:00
aa99c94e2a
Revert 85678/85680. The decision is to stay with the current form of
...
indirectbr, thus we don't need "blockaddr(@func, null)". Eliminate it
for simplicity.
llvm-svn: 85699
2009-11-01 01:27:45 +00:00
b2c0e243c5
Make blockaddress(@func, null) be valid, and make 'deleting a basic
...
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
74eb5d71a3
make hasAddressTaken() constant time by storing a refcount in BB's subclass data.
...
llvm-svn: 85625
2009-10-30 22:33:29 +00:00
a91a563530
Previously, all operands to Constant were themselves constant.
...
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
2cb85b4020
'static const void *X = &&y' can only be put in the
...
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
31b132c0b7
IR support for the new BlockAddress constant kind. This is
...
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
5dab84ca9c
Banish ConstantsLock. It's serving no purpose other than slowing things down
...
at the moment.
llvm-svn: 84529
2009-10-19 20:11:52 +00:00
Chris Lattner