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Author SHA1 Message Date
Jeff Cohen
66d2c4d350 Fix tablegen related dependencies in Visual Studio. 
llvm-svn: 27350
 2006-04-02 05:20:53 +00:00
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
9c24ec6de5 add a note 
llvm-svn: 27348
 2006-04-02 03:59:11 +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
389e309bfb Intrinsics that just load from memory can be treated like loads: they don't 
have to serialize against each other.  This allows us to schedule lvx's
across each other, for example.

llvm-svn: 27346
 2006-04-02 03:41:14 +00:00
Chris Lattner
9eacf6b01c Adjust the Intrinsics.gen interface a little bit 
llvm-svn: 27345
 2006-04-02 03:35:30 +00:00
Chris Lattner
e314cf19ba Adjust to change in Intrinsics.gen interface. 
llvm-svn: 27344
 2006-04-02 03:35:01 +00:00
Chris Lattner
104db817c8 Constant fold all of the vector binops. This allows us to compile this: 
"vector unsigned char mergeLowHigh = (vector unsigned char)
( 8, 9, 10, 11, 16, 17, 18, 19, 12, 13, 14, 15, 20, 21, 22, 23 );
vector unsigned char mergeHighLow = vec_xor( mergeLowHigh, vec_splat_u8(8));"

aka:

void %test2(<16 x sbyte>* %P) {
  store <16 x sbyte> cast (<4 x int> xor (<4 x int> cast (<16 x ubyte> < ubyte 8, ubyte 9, ubyte 10, ubyte 11, ubyte 16, ubyte 17, ubyte 18, ubyte 19, ubyte 12, ubyte 13, ubyte 14, ubyte 15, ubyte 20, ubyte 21, ubyte 22, ubyte 23 > to <4 x int>), <4 x int> cast (<16 x sbyte> < sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8, sbyte 8 > to <4 x int>)) to <16 x sbyte>), <16 x sbyte> * %P
  ret void
}

into this:

_test2:
        mfspr r2, 256
        oris r4, r2, 32768
        mtspr 256, r4
        li r4, lo16(LCPI2_0)
        lis r5, ha16(LCPI2_0)
        lvx v0, r5, r4
        stvx v0, 0, r3
        mtspr 256, r2
        blr

instead of this:

_test2:
        mfspr r2, 256
        oris r4, r2, 49152
        mtspr 256, r4
        li r4, lo16(LCPI2_0)
        lis r5, ha16(LCPI2_0)
        vspltisb v0, 8
        lvx v1, r5, r4
        vxor v0, v1, v0
        stvx v0, 0, r3
        mtspr 256, r2
        blr

... which occurs here:
http://developer.apple.com/hardware/ve/calcspeed.html

llvm-svn: 27343
 2006-04-02 03:25:57 +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
52732a272f Implement constant folding of bit_convert of arbitrary constant vbuild_vector nodes. 
llvm-svn: 27341
 2006-04-02 02:53:43 +00:00
Chris Lattner
8a66373ad7 These entries already exist 
llvm-svn: 27340
 2006-04-02 02:51:27 +00:00
Chris Lattner
5eefd8e0b3 Add some missing node names 
llvm-svn: 27339
 2006-04-02 02:41:18 +00:00
Chris Lattner
99a3213376 simplify this method 
llvm-svn: 27338
 2006-04-02 02:28:52 +00:00
Chris Lattner
2a24d68439 New note 
llvm-svn: 27337
 2006-04-02 01:47:20 +00:00
Chris Lattner
3aa0246b4a Constant fold casts from things like <4 x int> -> <4 x uint>, likewise int<->fp. 
llvm-svn: 27336
 2006-04-02 01:38:28 +00:00
Chris Lattner
da4217646a Custom lower all BUILD_VECTOR's so that we can compile vec_splat_u8(8) into 
"vspltisb v0, 8" instead of a constant pool load.

llvm-svn: 27335
 2006-04-02 00:43:36 +00:00
Chris Lattner
13e8d5973c Prefer larger register classes over smaller ones when a register occurs in 
multiple register classes.  This fixes PowerPC/2006-04-01-FloatDoubleExtend.ll

llvm-svn: 27334
 2006-04-02 00:24:45 +00:00
Chris Lattner
240932561d New testcase that crashes the compiler. 
llvm-svn: 27333
 2006-04-02 00:23:59 +00:00
Chris Lattner
704770bfe7 add valuemapper support for inline asm 
llvm-svn: 27332
 2006-04-01 23:17:11 +00:00
Chris Lattner
38318b2706 Implement vnot using VNOR instead of using 'vspltisb v0, -1' and vxor 
llvm-svn: 27331
 2006-04-01 22:41:47 +00:00
Chris Lattner
c2e9b030da Fix InstCombine/2006-04-01-InfLoop.ll 
llvm-svn: 27330
 2006-04-01 22:05:01 +00:00
Chris Lattner
5d0c18c998 New testcase that caused instcombine to infinitely loop (with my recent 
patch), distilled from Applications/JM/ldecod

llvm-svn: 27329
 2006-04-01 22:04:40 +00:00
Chris Lattner
497bbd4650 Fold A^(B&A) -> (B&A)^A 
Fold (B&A)^A == ~B & A

This implements InstCombine/xor.ll:test2[56]

llvm-svn: 27328
 2006-04-01 08:03:55 +00:00
Chris Lattner
bce001c462 new testcases 
llvm-svn: 27327
 2006-04-01 08:02:51 +00:00
Chris Lattner
a76347d917 Fix Transforms/IndVarsSimplify/2006-03-31-NegativeStride.ll and 
PR726 by performing consistent signed division, not consistent unsigned
division when evaluating scev's.  Do not touch udivs.

llvm-svn: 27326
 2006-04-01 04:48:52 +00:00
Chris Lattner
a8bc001cd3 new testcase for PR726 
llvm-svn: 27325
 2006-04-01 04:47:17 +00:00
Chris Lattner
894231e63e ADd a note 
llvm-svn: 27324
 2006-04-01 04:08:29 +00:00
Chris Lattner
79819f52dc If we can look through vector operations to find the scalar version of an 
extract_element'd value, do so.

llvm-svn: 27323
 2006-03-31 23:01:56 +00:00
Chris Lattner
32bb17a5f3 Shrinkify some more intrinsic definitions. 
llvm-svn: 27322
 2006-03-31 22:41:56 +00:00
Evan Cheng
403cd8f787 An entry about packed type alignments. 
llvm-svn: 27321
 2006-03-31 22:35:14 +00:00
Chris Lattner
12e9ce7104 Pull operand asm string into base class, shrinkifying intrinsic definitions. 
No functionality change.

llvm-svn: 27320
 2006-03-31 22:34:05 +00:00
Evan Cheng
fc0a2ac06e TargetData.cpp::getTypeInfo() was returning alignment of element type as the 
alignment of a packed type. This is obviously wrong. Added a workaround that
returns the size of the packed type as its alignment. The correct fix would
be to return a target dependent alignment value provided via TargetLowering
(or some other interface).

llvm-svn: 27319
 2006-03-31 22:33:42 +00:00
Chris Lattner
b088cfc01a Delete identity shuffles, implementing CodeGen/Generic/vector-identity-shuffle.ll 
llvm-svn: 27317
 2006-03-31 22:16:43 +00:00
Chris Lattner
fff8fbdcf4 An identity shuffle shouldn't generate any permute code. 
llvm-svn: 27316
 2006-03-31 22:16:19 +00:00
Chris Lattner
3d6e5f8a05 Fix 80 column violations :) 
llvm-svn: 27315
 2006-03-31 21:57:36 +00:00
Evan Cheng
4623ebd3d0 Use a X86 target specific node X86ISD::PINSRW instead of a mal-formed 
INSERT_VECTOR_ELT to insert a 16-bit value in a 128-bit vector.

llvm-svn: 27314
 2006-03-31 21:55:24 +00:00
Chris Lattner
914742aa1e regenerate 
llvm-svn: 27313
 2006-03-31 21:54:11 +00:00
Chris Lattner
5fabd2c311 Generalize the previous binary operator support and add a string concatenation 
operation.  This implements Regression/TableGen/strconcat.td.

llvm-svn: 27312
 2006-03-31 21:53:49 +00:00
Chris Lattner
828fce9ca2 new testcase 
llvm-svn: 27311
 2006-03-31 21:53:01 +00:00
Evan Cheng
fb980688f1 Added support for SSE3 horizontal ops: haddp{s|d} and hsub{s|d}. 
llvm-svn: 27310
 2006-03-31 21:29:33 +00:00
Evan Cheng
aeb1560ea5 Added haddp{s|d} and hsubp{s|d} intrinsics. 
llvm-svn: 27309
 2006-03-31 21:28:46 +00:00
Chris Lattner
d66dd2a4ee fix a pasto 
llvm-svn: 27308
 2006-03-31 21:19:06 +00:00
Chris Lattner
28219f34bc Add vperm support for all datatypes 
llvm-svn: 27307
 2006-03-31 20:00:35 +00:00
Chris Lattner
336d6646ab Rearrange code a bit 
llvm-svn: 27306
 2006-03-31 19:52:36 +00:00
Chris Lattner
786f782398 Add, sub and shuffle are legal for all vector types 
llvm-svn: 27305
 2006-03-31 19:48:58 +00:00
Evan Cheng
7b9a0c6d7a Add support to use pextrw and pinsrw to extract and insert a word element 
from a 128-bit vector.

llvm-svn: 27304
 2006-03-31 19:22:53 +00:00
Evan Cheng
5da48f30bb Add vector_extract and vector_insert nodes. 
llvm-svn: 27303
 2006-03-31 19:21:16 +00:00
Chris Lattner
d27ced882b add a note 
llvm-svn: 27302
 2006-03-31 19:00:22 +00:00
Chris Lattner
8e584affdb constant fold extractelement with undef operands. 
llvm-svn: 27301
 2006-03-31 18:31:40 +00:00
Chris Lattner
0af2e8be73 extractelement(undef,x) -> undef 
llvm-svn: 27300
 2006-03-31 18:25:14 +00:00