ef598059f2
Add a new -view-legalize-dags command line option
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llvm-svn: 27342
2006-04-02 03:07:27 +00:00
d9e4daabd2
Do not endian swap split vector loads. This fixes UnitTests/Vector/sumarray-dbl on PPC.
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Now all UnitTests/Vector/* tests pass on PPC.
llvm-svn: 27299
2006-03-31 18:22:37 +00:00
8d90f526d7
Do not endian swap the operands to a store if the operands came from a vector.
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This fixes UnitTests/Vector/simple.c with altivec.
llvm-svn: 27298
2006-03-31 18:20:46 +00:00
6f42325dca
Implement PromoteOp for VEXTRACT_VECTOR_ELT. Thsi fixes
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Generic/vector.ll:test_extract_elt on non-sse X86 systems.
llvm-svn: 27294
2006-03-31 17:55:51 +00:00
8e1fcab2bc
Scalarized vector stores need not be legal, e.g. if the vector element type
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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
5fe1f54c17
Significantly improve handling of vectors that are live across basic blocks,
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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
168e45b0b3
Expand INSERT_VECTOR_ELT to store vec, sp; store elt, sp+k; vec = load sp;
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llvm-svn: 27274
2006-03-31 01:27:51 +00:00
f6f94d3bce
Teach Legalize how to pack VVECTOR_SHUFFLE nodes into VECTOR_SHUFFLE nodes.
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llvm-svn: 27232
2006-03-28 20:24:43 +00:00
e55d171ccd
Tblgen doesn't like multiple SDNode<> definitions that map to the sameenum value. Split them into separate enums.
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llvm-svn: 27201
2006-03-28 00:40:33 +00:00
d5f94c9574
Fix legalization of intrinsics with chain and result values
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llvm-svn: 27181
2006-03-27 20:28:29 +00:00
30ee72586d
Allow targets to custom lower their own intrinsics if desired.
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llvm-svn: 27146
2006-03-26 09:12:51 +00:00
68d9bf26c8
Only to vector shuffle for {x,x,y,y} cases when SCALAR_TO_VECTOR is free.
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llvm-svn: 27071
2006-03-24 18:45:20 +00:00
77e271cb4e
prefer to generate constant pool loads over splats. This prevents us from
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using a splat for {1.0,1.0,1.0,1.0}
llvm-svn: 27055
2006-03-24 07:29:17 +00:00
a4f6805a86
legalize vbit_convert nodes whose result is a legal type.
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Legalize intrinsic nodes.
llvm-svn: 27036
2006-03-24 02:26:29 +00:00
1d2e995fc1
Lower BUILD_VECTOR to VECTOR_SHUFFLE if there are two distinct nodes (and if
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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
d7c4e7d255
add support for splitting casts. This implements
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CodeGen/Generic/vector.ll:test_cast_2.
llvm-svn: 26999
2006-03-23 21:16:34 +00:00
9ea1b3f9fd
simplify some code
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llvm-svn: 26972
2006-03-23 05:29:04 +00:00
2f4119a608
Implement simple support for vector casting. This can currently only handle
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casts between legal vector types.
llvm-svn: 26961
2006-03-22 20:09:35 +00:00
8fa445a89d
Endianness does not affect the order of vector fields. This fixes
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SingleSource/UnitTests/Vector/build.c
llvm-svn: 26936
2006-03-22 01:46:54 +00:00
5be4352124
Enclose some variables in a scope to avoid error with some gcc versions
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llvm-svn: 26934
2006-03-22 00:12:37 +00:00
340a6b5c26
add expand support for extractelement
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llvm-svn: 26931
2006-03-21 21:02:03 +00:00
7c0cd8cafc
add some trivial support for extractelement.
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llvm-svn: 26928
2006-03-21 20:44:12 +00:00
672a42d731
Add a hacky workaround for crashes due to vectors live across blocks.
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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
21e68c8001
If a target supports splatting with SHUFFLE_VECTOR, lower to it from BUILD_VECTOR(x,x,x,x)
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llvm-svn: 26885
2006-03-20 01:52:29 +00:00
79fb91cc69
Allow SCALAR_TO_VECTOR to be custom lowered.
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llvm-svn: 26867
2006-03-19 06:47:21 +00:00
9cdc5a0ce7
Add SCALAR_TO_VECTOR support
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llvm-svn: 26866
2006-03-19 06:31:19 +00:00
eb5b2e705c
Don't bother storing undef elements of BUILD_VECTOR's
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llvm-svn: 26858
2006-03-19 05:46:04 +00:00
5d3ff12c8f
Implement expand of BUILD_VECTOR containing variable elements.
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This implements CodeGen/Generic/vector.ll:test_variable_buildvector
llvm-svn: 26852
2006-03-19 04:18:56 +00:00
29b2301460
implement basic support for INSERT_VECTOR_ELT.
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llvm-svn: 26849
2006-03-19 01:17:20 +00:00
f4e1a53647
Rename ConstantVec -> BUILD_VECTOR and VConstant -> VBUILD_VECTOR. Allow*BUILD_VECTOR to take variable inputs.
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llvm-svn: 26847
2006-03-19 00:52:58 +00:00
c16b05e67d
implement vector.ll:test_undef
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llvm-svn: 26845
2006-03-19 00:20:20 +00:00
93640543a9
Fix the remaining bugs in the vector expansion rework I commited yesterday.
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This fixes CodeGen/Generic/vector.ll
llvm-svn: 26843
2006-03-19 00:07:49 +00:00
32206f54c6
Change the structure of lowering vector stuff. Note: This breaks some
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things.
llvm-svn: 26840
2006-03-18 01:44:44 +00:00
bb01d4f272
Remove BRTWOWAY*
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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
cad70c3e46
Add a note, this code should be moved to the dag combiner.
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llvm-svn: 26787
2006-03-15 22:19:18 +00:00
994d8e6bd4
For targets with FABS/FNEG support, lower copysign to an integer load,
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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
3fe975b846
revert the previous patch, didn't mean to check it in yet
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llvm-svn: 26610
2006-03-08 04:39:05 +00:00
af5e26c980
remove "Slot", it is dead
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llvm-svn: 26609
2006-03-08 04:37:58 +00:00
5c1ba2ac08
Codegen copysign[f] into a FCOPYSIGN node
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llvm-svn: 26542
2006-03-05 05:09:38 +00:00
3bf916ddd9
Add more vector NodeTypes: VSDIV, VUDIV, VAND, VOR, and VXOR.
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llvm-svn: 26504
2006-03-03 07:01:07 +00:00
ad3c974a77
remove the read/write port/io intrinsics.
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llvm-svn: 26479
2006-03-03 00:19:58 +00:00
b97aab4371
Vector ops lowering.
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llvm-svn: 26436
2006-03-01 01:09:54 +00:00
486d1bc5ed
Fix a problem on itanium with memset. The value to set has been promoted to
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i64 before this code, so zero_ext doesn't work.
llvm-svn: 26290
2006-02-20 06:38:35 +00:00
5965bd19f8
kill ADD_PARTS & SUB_PARTS and replace them with fancy new ADDC, ADDE, SUBC
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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
9ec392b2aa
Fix another miscompilation exposed by lencode, where we lowered i64->f32
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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
2eea436192
Should not combine ISD::LOCATIONs until we have scheme to remove from
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MachineDebugInfo tables.
llvm-svn: 26216
2006-02-15 19:34:44 +00:00
8e2ee7358f
Fix a latent bug in the call sequence handling stuff. Some targets (e.g. x86)
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create these nodes with flag results. Remember that we legalized them.
llvm-svn: 26156
2006-02-14 00:55:02 +00:00
462505fc5f
Completely rewrite libcall insertion by the legalizer, providing the
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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
01bd9d9911
*** empty log message ***
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llvm-svn: 25879
2006-02-01 19:05:15 +00:00
7e7f439f85
Fix some of the stuff in the PPC README file, and clean up legalization
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of the SELECT_CC, BR_CC, and BRTWOWAY_CC nodes.
llvm-svn: 25875
2006-02-01 07:19:44 +00:00
Chris Lattner