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458 Commits

Author SHA1 Message Date
Nick Lewycky
d01f50f42c ConstantInt has some getters which return ConstantInt's or ConstantVector's of 
the value splatted into every element. Extend this to getTrue and getFalse which
by providing new overloads that take Types that are either i1 or <N x i1>. Use
it in InstCombine to add vector support to some code, fixing PR8469!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127116 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-06 03:36:19 +00:00
Talin
bdcd766028 Added missing va_end(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126759 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-01 18:00:49 +00:00
Talin
41ee4e57ea Add an END_WITH_NULL accessor for ConstantStruct. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126714 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-28 23:53:27 +00:00
Chris Lattner
13fb0db0c2 hoist GlobalValue::removeDeadConstantUsers up to being a method on Constant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125828 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-18 04:41:42 +00:00
Nadav Rotem
093399cbf3 Enhance constant folding of bitcast operations on vectors of floats. 
Add getAllOnesValue of FP numbers to Constants and APFloat.
Add more tests.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125776 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-17 21:22:27 +00:00
Chris Lattner
2ca5c8644e convert ConstantVector::get to use ArrayRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125537 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 00:14:00 +00:00
Chris Lattner
7583190422 revert my ConstantVector patch, it seems to have made the llvm-gcc 
builders unhappy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 18:15:46 +00:00
Chris Lattner
283c8caccd Switch ConstantVector::get to use ArrayRef instead of a pointer+size 
idiom.  Change various clients to simplify their code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125487 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-14 07:55:32 +00:00
Chris Lattner
33a8f3385b make ConstantExpr::replaceUsesOfWithOnConstant preserve the inbounds 
flag.  Noticed by Jin Gu Kang!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125366 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-11 05:37:21 +00:00
Chris Lattner
1f78d51be6 make the constantexpr interfaces for inbounds GEPs follow the same style 
as other constantexpr flags, reducing redundancy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125365 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-11 05:34:33 +00:00
Chris Lattner
81baf14fdf switch the constantexpr, target folder, and IRBuilder interfaces 
for NSW/NUW binops to follow the pattern of exact binops.  This
allows someone to use Builder.CreateAdd(x, y, "tmp", MaybeNUW);


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125270 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-10 07:01:55 +00:00
Chris Lattner
74f5c5abea refactor ConstantExpr interfaces a bit around "exactness". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125190 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-09 16:43:07 +00:00
Chris Lattner
eb59ca976c fix comment change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125047 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-07 20:03:14 +00:00
Chris Lattner
f067d584a8 implement .ll and .bc support for nsw/nuw on shl and exact on lshr/ashr. 
Factor some code better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125006 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-07 16:40:21 +00:00
Chris Lattner
35bda8914c 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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124992 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-06 21:44:57 +00:00
Duncan Sands
7681c6da60 Have m_One also match constant vectors for which every element is 1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124655 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-01 08:39:12 +00:00
Jay Foad
9afc527671 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124375 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-27 14:44:55 +00:00
Jay Foad
25052d8d64 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123435 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-14 08:07:43 +00:00
Benjamin Kramer
299ee184f4 Apparently APFloat::getZero doesn't like PPCDoubleDoubles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120909 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-04 14:43:08 +00:00
Benjamin Kramer
983839609f Simplify code. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120907 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-04 14:22:24 +00:00
Benjamin Kramer
f601d6df6f Simplify code. No change in functionality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119908 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-20 18:43:35 +00:00
Chris Lattner
61c70e98ac remove unions from LLVM IR. They are severely buggy and not 
being actively maintained, improved, or extended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112356 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 04:09:24 +00:00
Oscar Fuentes
ee56c42168 Prefix next' iterator operation with llvm::'. 
Fixes potential ambiguity problems on VS 2010.

Patch by nobled!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110029 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-02 06:00:15 +00:00
Benjamin Kramer
ad2b04c07f Preallocate vector, avoid unnecessary vector growth. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-01 11:43:26 +00:00
Chris Lattner
93604b6de2 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108610 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 06:13:52 +00:00
Dan Gohman
1eaac53261 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-03 22:44:19 +00:00
Dan Gohman
3b49063a83 Simplify this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101074 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-12 22:12:29 +00:00
Chris Lattner
04e3b1ef78 move some method definitions to files that make sense. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99927 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 20:48:48 +00:00
Chris Lattner
d7ba0f2ade add support for zero initialized unions, patch by Tim Northover! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-29 17:36:02 +00:00
Gabor Greif
60ad781c61 rename use_const_iterator to const_use_iterator for consistency's sake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99564 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-25 23:06:16 +00:00
Talin
196c60a571 replaceUsesOfWithOnConstant implementation for unions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96616 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 21:43:45 +00:00
Duncan Sands
1df9859c40 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96344 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 11:11:14 +00:00
Duncan Sands
b0bc6c361d Uniformize the names of type predicates: rather than having isFloatTy and 
isInteger, we now have isFloatTy and isIntegerTy.  Requested by Chris!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96223 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-15 16:12:20 +00:00
Chris Lattner
fdfeb6976f Add support for a union type in LLVM IR. Patch by Talin! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96011 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-12 20:49:41 +00:00
Duncan Sands
8991d51ddc Adding missing methods for creating Add, Mul, Neg and Sub with NUW. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95086 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 12:53:04 +00:00
Chris Lattner
b29d596072 eliminate a bunch of pointless LLVMContext arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95001 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-01 20:48:08 +00:00
Dan Gohman
d75ff3104c Add a getNUWMul function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94982 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-01 16:38:14 +00:00
Dan Gohman
2544a1de66 Add a generalized form of ConstantExpr::getOffsetOf which works for 
array types as well as struct types, and which accepts arbitrary
Constant indicies.  


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94981 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-01 16:37:38 +00:00
Dan Gohman
06ed3e788a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94738 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 02:43:22 +00:00
Dan Gohman
0f5efe5625 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94737 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 02:15:55 +00:00
Chris Lattner
0b68a009f6 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])
                        ^



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94595 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-26 21:51:43 +00:00
Nick Lewycky
401f3258f6 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94069 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-21 07:03:21 +00:00
Benjamin Kramer
8c65f6e71c Move remaining stuff to the isInteger predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92771 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 21:05:54 +00:00
Benjamin Kramer
11acaa374c Convert a ton of simple integer type equality tests to the new predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92760 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 20:07:06 +00:00
David Greene
d2e63b7fdb Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92650 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:29:19 +00:00
Chris Lattner
5099b31f98 differences between two blockaddress's don't cause a 
global variable initializer to require relocations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92450 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-03 18:09:40 +00:00
Chris Lattner
83738a20dd remove some misleading comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92311 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-30 20:25:09 +00:00
Chris Lattner
cafe9bba32 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92239 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-29 02:14:09 +00:00
Dan Gohman
411984810e Add utility routines for NSW multiply. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91664 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 03:10:26 +00:00
Dan Gohman
bdc46c6af5 Add utility routines for creating integer negation operators with NSW set. 
Integer negation only overflows with INT_MIN, but that's an important case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91662 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-18 02:58:50 +00:00