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910 Commits

Author SHA1 Message Date
Chris Lattner
b49e52c7e2 add some todos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27580 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-11 02:00:08 +00:00
Chris Lattner
f87324e44d Add basic support for legalizing returns of vectors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27578 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-11 01:31:51 +00:00
Evan Cheng
db3c626eb9 Missing break 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27559 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-10 18:54:36 +00:00
Chris Lattner
b22e35a3c3 Add code generator support for VSELECT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27542 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-08 22:22:57 +00:00
Chris Lattner
17614ea63d Canonicalize vvector_shuffle(x,x) -> vvector_shuffle(x,undef) to enable patterns 
to match again :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27533 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-08 05:34:25 +00:00
Chris Lattner
4ddd283f69 add a sanity check: LegalizeOp should return a value that is the same type 
as its input.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27528 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-08 04:13:17 +00:00
Evan Cheng
f6bf87f2cc INSERT_VECTOR_ELT lowering bug: 
store vector to $esp
  store element to $esp + sizeof(VT) * index
  load  vector from $esp
The bug is VT is the type of the vector element, not the type of the vector!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27517 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-08 01:46:37 +00:00
Evan Cheng
18dd6d0a2a Exapnd a VECTOR_SHUFFLE to a BUILD_VECTOR if target asks for it to be expanded 
or custom lowering fails.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27432 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-05 06:07:11 +00:00
Chris Lattner
4352cc9e21 * Add supprot for SCALAR_TO_VECTOR operations where the input needs to be 
promoted/expanded (e.g. SCALAR_TO_VECTOR from i8/i16 on PPC).
* Add support for targets to request that VECTOR_SHUFFLE nodes be promoted
  to a canonical type, for example, we only want v16i8 shuffles on PPC.
* Move isShuffleLegal out of TLI into Legalize.
* Teach isShuffleLegal to allow shuffles that need to be promoted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27399 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 17:23:26 +00:00
Chris Lattner
4aab2f4ab5 Implement promotion for EXTRACT_VECTOR_ELT, allowing v16i8 multiplies to work with PowerPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27349 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 05:06:04 +00:00
Chris Lattner
bc70cf8be9 Implement the Expand action for binary vector operations to break the binop 
into elements and operate on each piece.  This allows generic vector integer
multiplies to work on PPC, though the generated code is horrible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27347 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 03:57:31 +00:00
Chris Lattner
5e46a19ec8 Add a new -view-legalize-dags command line option 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27342 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 03:07:27 +00:00
Chris Lattner
c741ea424a Do not endian swap split vector loads. This fixes UnitTests/Vector/sumarray-dbl on PPC. 
Now all UnitTests/Vector/* tests pass on PPC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27299 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 18:22:37 +00:00
Chris Lattner
d9731af75b Do not endian swap the operands to a store if the operands came from a vector. 
This fixes UnitTests/Vector/simple.c with altivec.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27298 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 18:20:46 +00:00
Chris Lattner
1597221eac Implement PromoteOp for VEXTRACT_VECTOR_ELT. Thsi fixes 
Generic/vector.ll:test_extract_elt on non-sse X86 systems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27294 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 17:55:51 +00:00
Chris Lattner
2ae2e98d4f Scalarized vector stores need not be legal, e.g. if the vector element type 
needs to be promoted or expanded.  Relegalize the scalar store once created.
This fixes CodeGen/Generic/vector.ll:test1 on non-SSE x86 targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27293 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 17:37:22 +00:00
Chris Lattner
70c2a61e0a Significantly improve handling of vectors that are live across basic blocks, 
handling cases where the vector elements need promotion, expansion, and when
the vector type itself needs to be decimated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27278 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 02:06:56 +00:00
Evan Cheng
eb0b461cf4 Expand INSERT_VECTOR_ELT to store vec, sp; store elt, sp+k; vec = load sp; 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27274 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 01:27:51 +00:00
Chris Lattner
5b2316e2b0 Teach Legalize how to pack VVECTOR_SHUFFLE nodes into VECTOR_SHUFFLE nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27232 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-28 20:24:43 +00:00
Chris Lattner
48b61a729d Tblgen doesn't like multiple SDNode<> definitions that map to the sameenum value. Split them into separate enums. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27201 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-28 00:40:33 +00:00
Chris Lattner
13fc2f1d27 Fix legalization of intrinsics with chain and result values 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27181 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-27 20:28:29 +00:00
Chris Lattner
10d7fa62ff Allow targets to custom lower their own intrinsics if desired. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27146 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-26 09:12:51 +00:00
Evan Cheng
73d7b6029a Only to vector shuffle for {x,x,y,y} cases when SCALAR_TO_VECTOR is free. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27071 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-24 18:45:20 +00:00
Chris Lattner
2eb8653157 prefer to generate constant pool loads over splats. This prevents us from 
using a splat for {1.0,1.0,1.0,1.0}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27055 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-24 07:29:17 +00:00
Chris Lattner
d1f04d40a0 legalize vbit_convert nodes whose result is a legal type. 
Legalize intrinsic nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27036 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-24 02:26:29 +00:00
Evan Cheng
033e681666 Lower BUILD_VECTOR to VECTOR_SHUFFLE if there are two distinct nodes (and if 
the target can handle it). Issue two SCALAR_TO_VECTOR ops followed by a
VECTOR_SHUFFLE to select from the two vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27023 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-24 01:17:21 +00:00
Chris Lattner
7692eb4201 add support for splitting casts. This implements 
CodeGen/Generic/vector.ll:test_cast_2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26999 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-23 21:16:34 +00:00
Chris Lattner
408c428096 simplify some code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26972 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-23 05:29:04 +00:00
Chris Lattner
e25ca692c0 Implement simple support for vector casting. This can currently only handle 
casts between legal vector types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26961 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-22 20:09:35 +00:00
Chris Lattner
841c882f5d Endianness does not affect the order of vector fields. This fixes 
SingleSource/UnitTests/Vector/build.c


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26936 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-22 01:46:54 +00:00
Chris Lattner
3b9fa89fca Enclose some variables in a scope to avoid error with some gcc versions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26934 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-22 00:12:37 +00:00
Chris Lattner
e35c218f3e add expand support for extractelement 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26931 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 21:02:03 +00:00
Chris Lattner
384504cea6 add some trivial support for extractelement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26928 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 20:44:12 +00:00
Chris Lattner
1c6191ffe7 Add a hacky workaround for crashes due to vectors live across blocks. 
Note that this code won't work for vectors that aren't legal on the
target.  Improvements coming.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26925 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 19:20:37 +00:00
Chris Lattner
87100e0b83 If a target supports splatting with SHUFFLE_VECTOR, lower to it from BUILD_VECTOR(x,x,x,x) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26885 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 01:52:29 +00:00
Chris Lattner
4d3abee618 Allow SCALAR_TO_VECTOR to be custom lowered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26867 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 06:47:21 +00:00
Chris Lattner
ce87215131 Add SCALAR_TO_VECTOR support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26866 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 06:31:19 +00:00
Chris Lattner
74881908fe Don't bother storing undef elements of BUILD_VECTOR's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26858 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 05:46:04 +00:00
Chris Lattner
5fcd0350be Implement expand of BUILD_VECTOR containing variable elements. 
This implements CodeGen/Generic/vector.ll:test_variable_buildvector


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26852 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 04:18:56 +00:00
Chris Lattner
2332b9f16f implement basic support for INSERT_VECTOR_ELT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26849 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 01:17:20 +00:00
Chris Lattner
b2827b0901 Rename ConstantVec -> BUILD_VECTOR and VConstant -> VBUILD_VECTOR. Allow*BUILD_VECTOR to take variable inputs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26847 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 00:52:58 +00:00
Chris Lattner
23d564c11f implement vector.ll:test_undef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26845 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 00:20:20 +00:00
Chris Lattner
4794a6b6a0 Fix the remaining bugs in the vector expansion rework I commited yesterday. 
This fixes CodeGen/Generic/vector.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26843 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 00:07:49 +00:00
Chris Lattner
c7029805ef Change the structure of lowering vector stuff. Note: This breaks some 
things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26840 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-18 01:44:44 +00:00
Nate Begeman
81e8097377 Remove BRTWOWAY* 
Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26814 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-17 01:40:33 +00:00
Chris Lattner
06ac6ab938 Add a note, this code should be moved to the dag combiner. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26787 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-15 22:19:18 +00:00
Chris Lattner
8f4191d619 For targets with FABS/FNEG support, lower copysign to an integer load, 
a select and FABS/FNEG.

This speeds up a trivial (aka stupid) copysign benchmark I wrote from 6.73s
to 2.64s, woo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26723 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-13 06:08:38 +00:00
Chris Lattner
6b24af87e6 revert the previous patch, didn't mean to check it in yet 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26610 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-08 04:39:05 +00:00
Chris Lattner
5874f82564 remove "Slot", it is dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26609 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-08 04:37:58 +00:00
Chris Lattner
a09f848c11 Codegen copysign[f] into a FCOPYSIGN node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26542 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 05:09:38 +00:00