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Author SHA1 Message Date
Chris Lattner
5cdf4bd55c Make sure to consider alignment of variable sized objects. 
This, along with the previous dag combiner fix, fixes
CodeGen/Alpha/2006-04-04-zextload.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27403 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 17:39:56 +00:00
Chris Lattner
e44be60ee9 Do not create ZEXTLOAD's unless we are before legalize or the operation is 
legal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27402 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 17:39:18 +00:00
Chris Lattner
cecc3ebcc8 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27401 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 17:38:31 +00:00
Chris Lattner
7ff7e67458 Ask legalize to promote all vector shuffles to be v16i8 instead of having to 
handle all 4 PPC vector types.   This simplifies the matching code and allows
us to eliminate a bunch of patterns.  This also adds cases we were missing,
such as CodeGen/PowerPC/vec_splat.ll:splat_h.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27400 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 17:25:31 +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
c45420ddd2 Move isShuffleLegal from TLI to Legalize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27398 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 17:21:22 +00:00
Chris Lattner
2ffc00a1d5 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27397 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 17:20:45 +00:00
Chris Lattner
1f239300d3 Signed shr by a constant is not the same as sdiv by 2^k 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27395 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 06:11:42 +00:00
Evan Cheng
21760460b9 cmpps / cmppd encoding bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27393 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 03:04:07 +00:00
Chris Lattner
12f859335c Fix the types for these intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27392 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 01:40:06 +00:00
Chris Lattner
08da55eeff Constant fold bitconvert(undef) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27391 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 01:02:22 +00:00
Chris Lattner
e6bfffbae2 Allow targets to have fine grained control over which types various ops get 
promoted to, if they desire.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27389 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 00:25:10 +00:00
Evan Cheng
6e96740c6c Compact some intrinsic definitions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27388 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 00:10:53 +00:00
Chris Lattner
684ad7702f Plug in the byte and short splats 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27387 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 00:05:13 +00:00
Chris Lattner
b68314480d Revert accidentally committed hunks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27386 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 23:58:04 +00:00
Chris Lattner
01cae0799d Make sure to mark unsupported SCALAR_TO_VECTOR operations as expand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27385 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 23:55:43 +00:00
Evan Cheng
97ac5fadb7 Some SSE1 intrinsics: min, max, sqrt, etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27384 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 23:49:17 +00:00
Chris Lattner
0aab36f5b2 revert previous patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27383 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 23:14:49 +00:00
Evan Cheng
20e3ed102b Use movlpd to: store lower f64 extracted from v2f64. 
Use movhpd to: store upper f64 extracted from v2f64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27382 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 22:30:54 +00:00
Chris Lattner
4f91a4c497 Force use of a frame-pointer if there is anything on the stack that is aligned 
more than the OS keeps the stack aligned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27381 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 22:03:29 +00:00
Chris Lattner
4672f71ac4 The stack alignment is now computed dynamically, just verify it is correct. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27380 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 21:39:57 +00:00
Chris Lattner
7dca8e2d73 Remove unused method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27379 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 21:39:03 +00:00
Chris Lattner
208aa29feb Keep track of max stack alignment as objects are added. Remove an obsolete method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27378 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 21:38:39 +00:00
Evan Cheng
11e15b38e9 - More efficient extract_vector_elt with shuffle and movss, movsd, movd, etc. 
- Some bug fixes and naming inconsistency fixes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27377 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 20:53:28 +00:00
Chris Lattner
630ebaf1f2 Align vectors to the size in bytes, not bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27376 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 19:28:50 +00:00
Chris Lattner
97c2073270 Add a missing check, this fixes UnitTests/Vector/sumarray.c 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27375 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 17:29:28 +00:00
Chris Lattner
a4c5d8c6b4 Add a missing check, which broke a bunch of vector tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27374 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 17:21:50 +00:00
Chris Lattner
03017c75c7 shrinkify intrinsics more by using some local classes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27373 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 17:20:06 +00:00
Chris Lattner
c461a51234 Add the full set of min/max instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27372 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 15:58:28 +00:00
Chris Lattner
846f7ce945 Add some classes to make it easier to define intrinsics. Add min/max intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27371 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 15:43:07 +00:00
Andrew Lenharth
f87e7931fd support x * (c1 + c2) where c1 and c2 are pow2s. special case for c2 == 4 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27370 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 04:19:17 +00:00
Andrew Lenharth
87e021de4f test powers of 2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27369 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 04:14:39 +00:00
Andrew Lenharth
afe3f49815 mul by const conversion sequences. more coming soon 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27368 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 03:18:59 +00:00
Andrew Lenharth
cf4fb61f6c back this out 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27367 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 03:16:50 +00:00
Andrew Lenharth
0fb79fa078 test some more mul by constant removal 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27366 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-03 03:16:09 +00:00
Andrew Lenharth
f80d2f61af Make sure mul by constant 5 is turned into a s4addq 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27365 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 21:47:07 +00:00
Andrew Lenharth
50a0d426e8 This should be a win of every arch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27364 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 21:42:45 +00:00
Andrew Lenharth
ccd9f98bcb This makes McCat/12-IOtest go 8x faster or so 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27363 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 21:08:39 +00:00
Andrew Lenharth
ed5d1afffb This will be needed soon 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27362 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 20:13:57 +00:00
Reid Spencer
0c5f7931d9 For PR722: 
Change the check for llvm-gcc from using LLVMGCCDIR to LLVMGCC. This checks
for the actual tool rather than the directory in which the tool resides. In
the case of this bug, it is possible that the directory exists but that the
tools in that directory do not. This fix should avoid the makefile from
erroneously proceeding without the actual tools being available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27361 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 14:34:26 +00:00
Chris Lattner
220d2b89d6 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27360 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 07:20:00 +00:00
Chris Lattner
bbe77de450 Inform the dag combiner that the predicate compares only return a low bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27359 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 06:26:07 +00:00
Chris Lattner
1b5232a937 relax assertion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27358 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 06:19:46 +00:00
Chris Lattner
1482b5fc7a Allow targets to compute masked bits for intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27357 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 06:15:09 +00:00
Chris Lattner
350bec0fb9 Add a little dag combine to compile this: 
int %AreSecondAndThirdElementsBothNegative(<4 x float>* %in) {
entry:
        %tmp1 = load <4 x float>* %in           ; <<4 x float>> [#uses=1]
        %tmp = tail call int %llvm.ppc.altivec.vcmpgefp.p( int 1, <4 x float> < float 0x7FF8000000000000, float 0.000000e+00, float 0.000000e+00, float 0x7FF8000000000000 >, <4 x float> %tmp1 )           ; <int> [#uses=1]
        %tmp = seteq int %tmp, 0                ; <bool> [#uses=1]
        %tmp3 = cast bool %tmp to int           ; <int> [#uses=1]
        ret int %tmp3
}

into this:

_AreSecondAndThirdElementsBothNegative:
        mfspr r2, 256
        oris r4, r2, 49152
        mtspr 256, r4
        li r4, lo16(LCPI1_0)
        lis r5, ha16(LCPI1_0)
        lvx v0, 0, r3
        lvx v1, r5, r4
        vcmpgefp. v0, v1, v0
        mfcr r3, 2
        rlwinm r3, r3, 27, 31, 31
        mtspr 256, r2
        blr

instead of this:

_AreSecondAndThirdElementsBothNegative:
        mfspr r2, 256
        oris r4, r2, 49152
        mtspr 256, r4
        li r4, lo16(LCPI1_0)
        lis r5, ha16(LCPI1_0)
        lvx v0, 0, r3
        lvx v1, r5, r4
        vcmpgefp. v0, v1, v0
        mfcr r3, 2
        rlwinm r3, r3, 27, 31, 31
        xori r3, r3, 1
        cntlzw r3, r3
        srwi r3, r3, 5
        mtspr 256, r2
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27356 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 06:11:11 +00:00
Chris Lattner
4132afb0d2 vector casts of casts are eliminable. Transform this: 
%tmp = cast <4 x uint> %tmp to <4 x int>                ; <<4 x int>> [#uses=1]
        %tmp = cast <4 x int> %tmp to <4 x float>               ; <<4 x float>> [#uses=1]

into:

        %tmp = cast <4 x uint> %tmp to <4 x float>              ; <<4 x float>> [#uses=1]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27355 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 05:43:13 +00:00
Chris Lattner
a3124a3d1e vector casts never reinterpret bits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27354 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 05:40:28 +00:00
Chris Lattner
a1c3538537 Allow transforming this: 
%tmp = cast <4 x uint>* %testData to <4 x int>*         ; <<4 x int>*> [#uses=1]
        %tmp = load <4 x int>* %tmp             ; <<4 x int>> [#uses=1]

to this:

        %tmp = load <4 x uint>* %testData               ; <<4 x uint>> [#uses=1]
        %tmp = cast <4 x uint> %tmp to <4 x int>                ; <<4 x int>> [#uses=1]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27353 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 05:37:12 +00:00
Chris Lattner
82ed58f9c4 Turn altivec lvx/stvx intrinsics into loads and stores. This allows the 
elimination of one load from this:

int AreSecondAndThirdElementsBothNegative( vector float *in ) {
#define QNaN 0x7FC00000
const vector unsigned int testData = (vector unsigned int)( QNaN, 0, 0, QNaN );
vector float test = vec_ld( 0, (float*) &testData );
return ! vec_any_ge( test, *in );
}

Now generating:

_AreSecondAndThirdElementsBothNegative:
        mfspr r2, 256
        oris r4, r2, 49152
        mtspr 256, r4
        li r4, lo16(LCPI1_0)
        lis r5, ha16(LCPI1_0)
        addi r6, r1, -16
        lvx v0, r5, r4
        stvx v0, 0, r6
        lvx v1, 0, r3
        vcmpgefp. v0, v0, v1
        mfcr r3, 2
        rlwinm r3, r3, 27, 31, 31
        xori r3, r3, 1
        cntlzw r3, r3
        srwi r3, r3, 5
        mtspr 256, r2
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27352 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 05:30:25 +00:00
Chris Lattner
02b72556d7 Remove done item 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27351 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 05:28:54 +00:00