Chris Lattner
7e30af3887
Remove dead *extloads. This allows us to codegen vector.ll:test_extract_elt
...
to:
test_extract_elt:
alloc r3 = ar.pfs,0,1,0,0
adds r8 = 12, r32
;;
ldfs f8 = [r8]
mov ar.pfs = r3
br.ret.sptk.many rp
instead of:
test_extract_elt:
alloc r3 = ar.pfs,0,1,0,0
adds r8 = 28, r32
adds r9 = 24, r32
adds r10 = 20, r32
adds r11 = 16, r32
;;
ldfs f6 = [r8]
;;
ldfs f6 = [r9]
adds r8 = 12, r32
adds r9 = 8, r32
adds r14 = 4, r32
;;
ldfs f6 = [r10]
;;
ldfs f6 = [r11]
ldfs f8 = [r8]
;;
ldfs f6 = [r9]
;;
ldfs f6 = [r14]
;;
ldfs f6 = [r32]
mov ar.pfs = r3
br.ret.sptk.many rp
llvm-svn: 27297
2006-03-31 18:10:41 +00:00
Chris Lattner
2d8551c85b
Delete dead loads in the dag. This allows us to compile
...
vector.ll:test_extract_elt2 into:
_test_extract_elt2:
lfd f1, 32(r3)
blr
instead of:
_test_extract_elt2:
lfd f0, 56(r3)
lfd f0, 48(r3)
lfd f0, 40(r3)
lfd f1, 32(r3)
lfd f0, 24(r3)
lfd f0, 16(r3)
lfd f0, 8(r3)
lfd f0, 0(r3)
blr
llvm-svn: 27296
2006-03-31 18:06:18 +00:00
Chris Lattner
6f42325dca
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
8e1fcab2bc
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
ba38035e21
Make sure to pass enough values to phi nodes when we are dealing with
...
decimated vectors. This fixes UnitTests/Vector/sumarray-dbl.c
llvm-svn: 27280
2006-03-31 02:12:18 +00:00
Chris Lattner
5fe1f54c17
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
168e45b0b3
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
67271869a8
Bug fixes: handle constantexpr insert/extract element operations
...
Handle constantpacked vectors with constantexpr elements.
This fixes CodeGen/Generic/vector-constantexpr.ll
llvm-svn: 27241
2006-03-29 00:11:43 +00:00
Chris Lattner
20e619fba3
When building a VVECTOR_SHUFFLE node from extract_element operations, make
...
sure to build it as SHUFFLE(X, undef, mask), not SHUFFLE(X, X, mask).
The later is not canonical form, and prevents the PPC splat pattern from
matching. For a particular splat, we go from generating this:
li r10, lo16(LCPI1_0)
lis r11, ha16(LCPI1_0)
lvx v3, r11, r10
vperm v3, v2, v2, v3
to generating:
vspltw v3, v2, 3
llvm-svn: 27236
2006-03-28 22:19:47 +00:00
Chris Lattner
a46dfe80c8
Canonicalize VECTOR_SHUFFLE(X, X, Y) -> VECTOR_SHUFFLE(X,undef,Y')
...
llvm-svn: 27235
2006-03-28 22:11:53 +00:00
Chris Lattner
c9992548fc
Turn a series of extract_element's feeding a build_vector into a
...
vector_shuffle node. For this:
void test(__m128 *res, __m128 *A, __m128 *B) {
*res = _mm_unpacklo_ps(*A, *B);
}
we now produce this code:
_test:
movl 8(%esp), %eax
movaps (%eax), %xmm0
movl 12(%esp), %eax
unpcklps (%eax), %xmm0
movl 4(%esp), %eax
movaps %xmm0, (%eax)
ret
instead of this:
_test:
subl $76, %esp
movl 88(%esp), %eax
movaps (%eax), %xmm0
movaps %xmm0, (%esp)
movaps %xmm0, 32(%esp)
movss 4(%esp), %xmm0
movss 32(%esp), %xmm1
unpcklps %xmm0, %xmm1
movl 84(%esp), %eax
movaps (%eax), %xmm0
movaps %xmm0, 16(%esp)
movaps %xmm0, 48(%esp)
movss 20(%esp), %xmm0
movss 48(%esp), %xmm2
unpcklps %xmm0, %xmm2
unpcklps %xmm1, %xmm2
movl 80(%esp), %eax
movaps %xmm2, (%eax)
addl $76, %esp
ret
GCC produces this (with -fomit-frame-pointer):
_test:
subl $12, %esp
movl 20(%esp), %eax
movaps (%eax), %xmm0
movl 24(%esp), %eax
unpcklps (%eax), %xmm0
movl 16(%esp), %eax
movaps %xmm0, (%eax)
addl $12, %esp
ret
llvm-svn: 27233
2006-03-28 20:28:38 +00:00
Chris Lattner
f6f94d3bce
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
8d57da2ffc
new node
...
llvm-svn: 27231
2006-03-28 19:54:42 +00:00
Chris Lattner
b7163598f9
Don't crash on X^X if X is a vector. Instead, produce a vector of zeros.
...
llvm-svn: 27229
2006-03-28 19:11:05 +00:00
Chris Lattner
ffec47ebff
Add an assertion
...
llvm-svn: 27228
2006-03-28 19:04:49 +00:00
Jim Laskey
dea0348853
Refactor address attributes. Add base register to frame info.
...
llvm-svn: 27226
2006-03-28 14:58:32 +00:00
Jim Laskey
67a636c587
More bulletproofing of llvm.dbg.declare.
...
llvm-svn: 27224
2006-03-28 13:45:20 +00:00
Jim Laskey
8374e9c4eb
More bulletproofing of DebugInfoDesc verify.
...
llvm-svn: 27203
2006-03-28 01:30:18 +00:00
Chris Lattner
e55d171ccd
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
Jim Laskey
d387cc5cde
Reactivate llvm.dbg.declare.
...
llvm-svn: 27192
2006-03-27 23:31:10 +00:00
Chris Lattner
5bb1d90afd
Disable dbg_declare, it currently breaks the CFE build
...
llvm-svn: 27182
2006-03-27 21:36:03 +00:00
Chris Lattner
d5f94c9574
Fix legalization of intrinsics with chain and result values
...
llvm-svn: 27181
2006-03-27 20:28:29 +00:00
Chris Lattner
0e84f1e532
Unbreak the build on non-apple compilers :-(
...
llvm-svn: 27173
2006-03-27 16:10:59 +00:00
Evan Cheng
d09b05b0bc
Try again
...
llvm-svn: 27171
2006-03-27 08:10:26 +00:00
Evan Cheng
64efb35c32
Incorrect check for FP all one's
...
llvm-svn: 27169
2006-03-27 07:26:17 +00:00
Evan Cheng
c70e33cd6e
Change isBuildVectorAllOnesInteger to isBuildVectorAllOnes. Also check for
...
floating point cases.
llvm-svn: 27165
2006-03-27 06:58:47 +00:00
Chris Lattner
52fcad3a37
Instead of printing "INTRINSIC" on intrinsic node, print the intrinsic name.
...
llvm-svn: 27164
2006-03-27 06:45:25 +00:00
Jim Laskey
6e792f9ff8
Pass llvm/test/Regression/CodeGen/Generic/debug-info.ll.
...
llvm-svn: 27158
2006-03-27 01:51:47 +00:00
Nate Begeman
ed728c1291
SelectionDAGISel can now natively handle Switch instructions, in the same
...
manner that the LowerSwitch LLVM to LLVM pass does: emitting a binary
search tree of basic blocks. The new approach has several advantages:
it is faster, it generates significantly smaller code in many cases, and
it paves the way for implementing dense switch tables as a jump table by
handling switches directly in the instruction selector.
This functionality is currently only enabled on x86, but should be safe for
every target. In anticipation of making it the default, the cfg is now
properly updated in the x86, ppc, and sparc select lowering code.
llvm-svn: 27156
2006-03-27 01:32:24 +00:00
Jim Laskey
7092888bcc
Bullet proof against undefined args produced by upgrading ols-style debug info.
...
llvm-svn: 27155
2006-03-26 22:46:27 +00:00
Jim Laskey
84c2f0a705
How to be dumb on $5/day. Need a tri-state to track valid debug descriptors.
...
llvm-svn: 27154
2006-03-26 22:45:20 +00:00
Evan Cheng
a67899195f
Add ISD::isBuildVectorAllZeros predicate
...
llvm-svn: 27147
2006-03-26 09:50:58 +00:00
Chris Lattner
30ee72586d
Allow targets to custom lower their own intrinsics if desired.
...
llvm-svn: 27146
2006-03-26 09:12:51 +00:00
Chris Lattner
b6e2d0027a
Add some comments.
...
llvm-svn: 27133
2006-03-25 23:00:56 +00:00
Chris Lattner
f6e3b957b8
Fix a bug in ISD::isBuildVectorAllOnesInteger that caused it to always return
...
false
llvm-svn: 27131
2006-03-25 22:59:28 +00:00
Chris Lattner
c2d2811a07
Implement the ISD::isBuildVectorAllOnesInteger predicate
...
llvm-svn: 27130
2006-03-25 22:57:01 +00:00
Chris Lattner
dc1eab5886
Don't call SimplifyDemandedBits on vectors
...
llvm-svn: 27128
2006-03-25 22:19:00 +00:00
Chris Lattner
313229c74b
fix inverted conditional
...
llvm-svn: 27089
2006-03-24 22:49:42 +00:00
Jim Laskey
3324c7236f
Hack no more.
...
llvm-svn: 27079
2006-03-24 21:10:36 +00:00
Evan Cheng
68d9bf26c8
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
Jim Laskey
53f1ecc560
Rename for truth in advertising.
...
llvm-svn: 27063
2006-03-24 09:50:27 +00:00
Chris Lattner
77e271cb4e
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
87b1dddb1c
fix spello
...
llvm-svn: 27053
2006-03-24 07:15:07 +00:00
Chris Lattner
a4f6805a86
legalize vbit_convert nodes whose result is a legal type.
...
Legalize intrinsic nodes.
llvm-svn: 27036
2006-03-24 02:26:29 +00:00
Chris Lattner
d96b09a7b9
Lower target intrinsics into an INTRINSIC node
...
llvm-svn: 27035
2006-03-24 02:22:33 +00:00
Chris Lattner
6b05290922
fix some bogus assertions: noop bitconverts are legal
...
llvm-svn: 27032
2006-03-24 02:20:47 +00:00
Evan Cheng
1d2e995fc1
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
ebac9a4adf
Identify the INTRINSIC node
...
llvm-svn: 27020
2006-03-24 01:04:30 +00:00
Jim Laskey
fb39d2a7f7
Unneeded forward.
...
llvm-svn: 27004
2006-03-23 23:05:52 +00:00
Jim Laskey
f7cfa52e7a
Make sure types are allocated in the scope of their use.
...
llvm-svn: 27002
2006-03-23 23:02:34 +00:00
Chris Lattner
d7c4e7d255
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
Jim Laskey
2b74656f25
Generate local variable and scope information and equivalent dwarf forms.
...
llvm-svn: 26989
2006-03-23 18:07:55 +00:00
Jim Laskey
a8bdac875d
Handle new forms of llvm.dbg intrinsics.
...
llvm-svn: 26988
2006-03-23 18:06:46 +00:00
Chris Lattner
9ea1b3f9fd
simplify some code
...
llvm-svn: 26972
2006-03-23 05:29:04 +00:00
Chris Lattner
b893d04a67
Fix a typo
...
llvm-svn: 26965
2006-03-22 22:20:49 +00:00
Chris Lattner
2f4119a608
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
8fa445a89d
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
5be4352124
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
340a6b5c26
add expand support for extractelement
...
llvm-svn: 26931
2006-03-21 21:02:03 +00:00
Chris Lattner
7c0cd8cafc
add some trivial support for extractelement.
...
llvm-svn: 26928
2006-03-21 20:44:12 +00:00
Chris Lattner
672a42d731
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
21e68c8001
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
6b20104410
TargetData doesn't know the alignment of vectors :(
...
llvm-svn: 26884
2006-03-20 01:51:46 +00:00
Chris Lattner
00f0589bc0
Add very basic support for VECTOR_SHUFFLE
...
llvm-svn: 26880
2006-03-19 23:56:04 +00:00
Chris Lattner
79fb91cc69
Allow SCALAR_TO_VECTOR to be custom lowered.
...
llvm-svn: 26867
2006-03-19 06:47:21 +00:00
Chris Lattner
9cdc5a0ce7
Add SCALAR_TO_VECTOR support
...
llvm-svn: 26866
2006-03-19 06:31:19 +00:00
Chris Lattner
eb5b2e705c
Don't bother storing undef elements of BUILD_VECTOR's
...
llvm-svn: 26858
2006-03-19 05:46:04 +00:00
Chris Lattner
5d3ff12c8f
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
5336a59e4b
fold insertelement(buildvector) -> buildvector if the inserted element # is
...
a constant. This implements test_constant_insert in CodeGen/Generic/vector.ll
llvm-svn: 26851
2006-03-19 01:27:56 +00:00
Chris Lattner
29b2301460
implement basic support for INSERT_VECTOR_ELT.
...
llvm-svn: 26849
2006-03-19 01:17:20 +00:00
Chris Lattner
f4e1a53647
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
c16b05e67d
implement vector.ll:test_undef
...
llvm-svn: 26845
2006-03-19 00:20:20 +00:00
Chris Lattner
93640543a9
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
32206f54c6
Change the structure of lowering vector stuff. Note: This breaks some
...
things.
llvm-svn: 26840
2006-03-18 01:44:44 +00:00
Chris Lattner
98931bc381
add a couple enum values
...
llvm-svn: 26830
2006-03-17 19:53:59 +00:00
Nate Begeman
bb01d4f272
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
7ececaad83
Fix a problem fully scalarizing values.
...
llvm-svn: 26811
2006-03-16 23:05:19 +00:00
Chris Lattner
8471b15706
Add support for CopyFromReg from vector values. Note: this doesn't support
...
illegal vector types yet!
llvm-svn: 26799
2006-03-16 19:57:50 +00:00
Chris Lattner
49409cb925
Teach CreateRegForValue how to handle vector types.
...
llvm-svn: 26798
2006-03-16 19:51:18 +00:00
Chris Lattner
4024c00ce7
add support for vector->vector casts
...
llvm-svn: 26788
2006-03-15 22:19:46 +00:00
Chris Lattner
cad70c3e46
Add a note, this code should be moved to the dag combiner.
...
llvm-svn: 26787
2006-03-15 22:19:18 +00:00
Jim Laskey
71050ba709
Expand subprogram and added block descriptor.
...
llvm-svn: 26782
2006-03-15 19:09:58 +00:00
Jim Laskey
b8e155567a
1. Use null for serialized empty strings.
...
2. Allow for user defined debug descriptors.
3. Allow for user augmented fields on debug descriptors.
llvm-svn: 26760
2006-03-14 18:37:57 +00:00
Chris Lattner
68ac09d5cb
make sure dead token factor nodes are removed by the dag combiner.
...
llvm-svn: 26731
2006-03-13 18:37:30 +00:00
Jim Laskey
acb6e34277
Handle the removal of the debug chain.
...
llvm-svn: 26729
2006-03-13 13:07:37 +00:00
Chris Lattner
d8c2a48d58
Fold X+Y -> X|Y when safe. This implements:
...
Regression/CodeGen/PowerPC/and_add.ll
a case that occurs with dynamic allocas of constant size.
llvm-svn: 26727
2006-03-13 06:51:27 +00:00
Chris Lattner
8bb6cb7d7b
add a couple of missing folds
...
llvm-svn: 26724
2006-03-13 06:26:26 +00:00
Chris Lattner
994d8e6bd4
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
a767dbf197
Don't advance the hazard recognizer when there are no hazards and no instructions
...
to be emitted.
Don't add one to the latency of a completed instruction if the latency of the
op is 0.
llvm-svn: 26718
2006-03-12 09:01:41 +00:00
Chris Lattner
86a9b60a25
Chain operands aren't real uses: they don't require the full latency of the
...
predecessor to finish before they can start.
llvm-svn: 26717
2006-03-12 03:52:09 +00:00
Chris Lattner
572003ca15
As a pending queue data structure to keep track of instructions whose
...
operands have all issued, but whose results are not yet available. This
allows us to compile:
int G;
int test(int A, int B, int* P) {
return (G+A)*(B+1);
}
to:
_test:
lis r2, ha16(L_G$non_lazy_ptr)
addi r4, r4, 1
lwz r2, lo16(L_G$non_lazy_ptr)(r2)
lwz r2, 0(r2)
add r2, r2, r3
mullw r3, r2, r4
blr
instead of this, which has a stall between the lis/lwz:
_test:
lis r2, ha16(L_G$non_lazy_ptr)
lwz r2, lo16(L_G$non_lazy_ptr)(r2)
addi r4, r4, 1
lwz r2, 0(r2)
add r2, r2, r3
mullw r3, r2, r4
blr
llvm-svn: 26716
2006-03-12 00:38:57 +00:00
Chris Lattner
356183d91e
rename priorityqueue -> availablequeue. When a node is scheduled, remember
...
which cycle it lands on.
llvm-svn: 26714
2006-03-11 22:44:37 +00:00
Chris Lattner
063086b0f4
Make CurrCycle a local var instead of an instance var
...
llvm-svn: 26713
2006-03-11 22:34:41 +00:00
Chris Lattner
9995a0c019
Move some methods around so that BU specific code is together, TD specific code
...
is together, and direction independent code is together.
llvm-svn: 26712
2006-03-11 22:28:35 +00:00
Chris Lattner
578d8fcb59
merge preds/chainpreds -> preds set
...
merge succs/chainsuccs -> succs set
This has no functionality change, simplifies the code, and reduces the size
of sunits.
llvm-svn: 26711
2006-03-11 22:24:20 +00:00
Evan Cheng
38280c0020
Added a parameter to control whether Constant::getStringValue() would chop
...
off the result string at the first null terminator.
llvm-svn: 26704
2006-03-10 23:52:03 +00:00
Chris Lattner
d3ef6c290a
scrape out bits of llvm-db
...
llvm-svn: 26701
2006-03-10 22:48:19 +00:00
Chris Lattner
f918e15362
Move simple-selector-specific types to the simple selector.
...
llvm-svn: 26693
2006-03-10 07:51:18 +00:00
Chris Lattner
5255d04357
Simplify the interface to the schedulers, to not pass the selected heuristicin.
...
llvm-svn: 26692
2006-03-10 07:49:12 +00:00
Chris Lattner
a5b93b8c6d
Move some simple-sched-specific instance vars to the simple scheduler.
...
llvm-svn: 26690
2006-03-10 07:42:02 +00:00