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1001 Commits

Author SHA1 Message Date
Chris Lattner
c76f9e8691 Implement promotion for EXTRACT_VECTOR_ELT, allowing v16i8 multiplies to work with PowerPC. 
llvm-svn: 27349
 2006-04-02 05:06:04 +00:00
Chris Lattner
f15063eadf 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.

llvm-svn: 27347
 2006-04-02 03:57:31 +00:00
Chris Lattner
badebf1c9b Add a new -view-legalize-dags command line option 
llvm-svn: 27342
 2006-04-02 03:07:27 +00:00
Chris Lattner
774bdd598c Do not endian swap split vector loads. This fixes UnitTests/Vector/sumarray-dbl on PPC. 
Now all UnitTests/Vector/* tests pass on PPC.

llvm-svn: 27299
 2006-03-31 18:22:37 +00:00
Chris Lattner
ffa44397a5 Do not endian swap the operands to a store if the operands came from a vector. 
This fixes UnitTests/Vector/simple.c with altivec.

llvm-svn: 27298
 2006-03-31 18:20:46 +00:00
Chris Lattner
9d379a4ef3 Implement PromoteOp for VEXTRACT_VECTOR_ELT. Thsi fixes 
Generic/vector.ll:test_extract_elt on non-sse X86 systems.

llvm-svn: 27294
 2006-03-31 17:55:51 +00:00
Chris Lattner
e05a1ec544 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.

llvm-svn: 27293
 2006-03-31 17:37:22 +00:00
Chris Lattner
82a0e17dd7 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.

llvm-svn: 27278
 2006-03-31 02:06:56 +00:00
Evan Cheng
873c48a51a Expand INSERT_VECTOR_ELT to store vec, sp; store elt, sp+k; vec = load sp; 
llvm-svn: 27274
 2006-03-31 01:27:51 +00:00
Chris Lattner
c6e37432b5 Teach Legalize how to pack VVECTOR_SHUFFLE nodes into VECTOR_SHUFFLE nodes. 
llvm-svn: 27232
 2006-03-28 20:24:43 +00:00
Chris Lattner
d5da541d42 Tblgen doesn't like multiple SDNode<> definitions that map to the sameenum value. Split them into separate enums. 
llvm-svn: 27201
 2006-03-28 00:40:33 +00:00
Chris Lattner
d3368b1114 Fix legalization of intrinsics with chain and result values 
llvm-svn: 27181
 2006-03-27 20:28:29 +00:00
Chris Lattner
aef813a8cf Allow targets to custom lower their own intrinsics if desired. 
llvm-svn: 27146
 2006-03-26 09:12:51 +00:00
Evan Cheng
ff1db97bca Only to vector shuffle for {x,x,y,y} cases when SCALAR_TO_VECTOR is free. 
llvm-svn: 27071
 2006-03-24 18:45:20 +00:00
Chris Lattner
62b04677c0 prefer to generate constant pool loads over splats. This prevents us from 
using a splat for {1.0,1.0,1.0,1.0}

llvm-svn: 27055
 2006-03-24 07:29:17 +00:00
Chris Lattner
f7ceb5fdd4 legalize vbit_convert nodes whose result is a legal type. 
Legalize intrinsic nodes.

llvm-svn: 27036
 2006-03-24 02:26:29 +00:00
Evan Cheng
a54a9fbe05 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.

llvm-svn: 27023
 2006-03-24 01:17:21 +00:00
Chris Lattner
175ac8ea20 add support for splitting casts. This implements 
CodeGen/Generic/vector.ll:test_cast_2.

llvm-svn: 26999
 2006-03-23 21:16:34 +00:00
Chris Lattner
7db942251a simplify some code 
llvm-svn: 26972
 2006-03-23 05:29:04 +00:00
Chris Lattner
7eaf8fa583 Implement simple support for vector casting. This can currently only handle 
casts between legal vector types.

llvm-svn: 26961
 2006-03-22 20:09:35 +00:00
Chris Lattner
c8696247e5 Endianness does not affect the order of vector fields. This fixes 
SingleSource/UnitTests/Vector/build.c

llvm-svn: 26936
 2006-03-22 01:46:54 +00:00
Chris Lattner
51b4436cce Enclose some variables in a scope to avoid error with some gcc versions 
llvm-svn: 26934
 2006-03-22 00:12:37 +00:00
Chris Lattner
12e4b95b6b add expand support for extractelement 
llvm-svn: 26931
 2006-03-21 21:02:03 +00:00
Chris Lattner
b90d9241c1 add some trivial support for extractelement. 
llvm-svn: 26928
 2006-03-21 20:44:12 +00:00
Chris Lattner
128089ae91 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.

llvm-svn: 26925
 2006-03-21 19:20:37 +00:00
Chris Lattner
9fd8618130 If a target supports splatting with SHUFFLE_VECTOR, lower to it from BUILD_VECTOR(x,x,x,x) 
llvm-svn: 26885
 2006-03-20 01:52:29 +00:00
Chris Lattner
2144db7a6c Allow SCALAR_TO_VECTOR to be custom lowered. 
llvm-svn: 26867
 2006-03-19 06:47:21 +00:00
Chris Lattner
6bb71c2ebd Add SCALAR_TO_VECTOR support 
llvm-svn: 26866
 2006-03-19 06:31:19 +00:00
Chris Lattner
6c7486ff4d Don't bother storing undef elements of BUILD_VECTOR's 
llvm-svn: 26858
 2006-03-19 05:46:04 +00:00
Chris Lattner
52a132ab18 Implement expand of BUILD_VECTOR containing variable elements. 
This implements CodeGen/Generic/vector.ll:test_variable_buildvector

llvm-svn: 26852
 2006-03-19 04:18:56 +00:00
Chris Lattner
bf4033f63a implement basic support for INSERT_VECTOR_ELT. 
llvm-svn: 26849
 2006-03-19 01:17:20 +00:00
Chris Lattner
db243940bd Rename ConstantVec -> BUILD_VECTOR and VConstant -> VBUILD_VECTOR. Allow*BUILD_VECTOR to take variable inputs. 
llvm-svn: 26847
 2006-03-19 00:52:58 +00:00
Chris Lattner
855e3c878b implement vector.ll:test_undef 
llvm-svn: 26845
 2006-03-19 00:20:20 +00:00
Chris Lattner
367f9aef95 Fix the remaining bugs in the vector expansion rework I commited yesterday. 
This fixes CodeGen/Generic/vector.ll

llvm-svn: 26843
 2006-03-19 00:07:49 +00:00
Chris Lattner
35b6933508 Change the structure of lowering vector stuff. Note: This breaks some 
things.

llvm-svn: 26840
 2006-03-18 01:44:44 +00:00
Nate Begeman
42736d46b2 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.

llvm-svn: 26814
 2006-03-17 01:40:33 +00:00
Chris Lattner
7c8518a21d Add a note, this code should be moved to the dag combiner. 
llvm-svn: 26787
 2006-03-15 22:19:18 +00:00
Chris Lattner
3cb122bfa8 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.

llvm-svn: 26723
 2006-03-13 06:08:38 +00:00
Chris Lattner
c2fede6ffb revert the previous patch, didn't mean to check it in yet 
llvm-svn: 26610
 2006-03-08 04:39:05 +00:00
Chris Lattner
7965026ed9 remove "Slot", it is dead 
llvm-svn: 26609
 2006-03-08 04:37:58 +00:00
Chris Lattner
4b4b3e6cbb Codegen copysign[f] into a FCOPYSIGN node 
llvm-svn: 26542
 2006-03-05 05:09:38 +00:00
Evan Cheng
4afe769361 Add more vector NodeTypes: VSDIV, VUDIV, VAND, VOR, and VXOR. 
llvm-svn: 26504
 2006-03-03 07:01:07 +00:00
Chris Lattner
999aa36a04 remove the read/write port/io intrinsics. 
llvm-svn: 26479
 2006-03-03 00:19:58 +00:00
Evan Cheng
d8b92e04a2 Vector ops lowering. 
llvm-svn: 26436
 2006-03-01 01:09:54 +00:00
Chris Lattner
d5b8bfef65 Fix a problem on itanium with memset. The value to set has been promoted to 
i64 before this code, so zero_ext doesn't work.

llvm-svn: 26290
 2006-02-20 06:38:35 +00:00
Nate Begeman
9c0ab71f4a kill ADD_PARTS & SUB_PARTS and replace them with fancy new ADDC, ADDE, SUBC 
and SUBE nodes that actually expose what's going on and allow for
significant simplifications in the targets.

llvm-svn: 26255
 2006-02-17 05:43:56 +00:00
Chris Lattner
6632b8ab04 Fix another miscompilation exposed by lencode, where we lowered i64->f32 
conversions to __floatdidf instead of __floatdisf on targets that support
f32 but not i64 (e.g. sparc).

llvm-svn: 26254
 2006-02-17 04:32:33 +00:00
Jim Laskey
e51152ac31 Should not combine ISD::LOCATIONs until we have scheme to remove from 
MachineDebugInfo tables.

llvm-svn: 26216
 2006-02-15 19:34:44 +00:00
Chris Lattner
d3cfbeca5b Fix a latent bug in the call sequence handling stuff. Some targets (e.g. x86) 
create these nodes with flag results.  Remember that we legalized them.

llvm-svn: 26156
 2006-02-14 00:55:02 +00:00
Chris Lattner
b3fc3e3a90 Completely rewrite libcall insertion by the legalizer, providing the 
following handy-dandy properties:

1. it is always correct now
2. it is much faster than before
3. it is easier to understand

This implementation builds off of the recent simplifications of the
legalizer that made it single-pass instead of iterative.

This fixes JM/lencod, JM/ldecod, and
CodeGen/Generic/2006-02-12-InsertLibcall.ll (at least on PPC).

llvm-svn: 26144
 2006-02-13 09:18:02 +00:00