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22048 Commits

Author SHA1 Message Date
Bill Wendling
97e3c01eb4 If we reload a virtual register that's already been assigned, we want to mark 
that instruction as its "last use". This fixes PR1925.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47758 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 18:52:01 +00:00
Evan Cheng
4f658e9e4b Fix PR2112: don't run loop aligner if target doesn't have a TargetLowering object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47755 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 17:52:15 +00:00
Chris Lattner
9d34c4d678 fix a bug Anders ran into where scalarrepl would crash when promoting 
a union containing a vector and an array whose elements were smaller than
the vector elements.  this means we need to compile the load of the 
array elements into an extract element plus a truncate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47752 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 07:12:06 +00:00
Chris Lattner
800de31776 Refactor some code out of ConvertUsesToScalar into their own methods, no 
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47751 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 07:03:13 +00:00
Chris Lattner
5ebd93630b Folding or(fcmp,fcmp) only works if the operands of the fcmps are the same fp type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47750 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 06:09:11 +00:00
Evan Cheng
bec2c0c7e1 No need for coalescer to update kills. Only copies are coalesced and those instructions will be deleted. Doh. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47749 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 02:50:03 +00:00
Evan Cheng
8f14da172d Remove redundant #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47748 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 02:49:15 +00:00
Dan Gohman
6c231501f8 More APInt-ification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47746 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:47:35 +00:00
Dan Gohman
c7773bf90e Use the new convertFromAPInt instead of convertFromZeroExtendedInteger, 
which allows more of the surrounding arithmetic to be done with APInt
instead of uint64_t.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47745 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:44:25 +00:00
Dan Gohman
37a9ca5bc5 Use the new convertFromAPInt instead of convertFromZeroExtendedInteger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47744 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:42:52 +00:00
Dan Gohman
c6f9a06238 Use the new APInt-enabled form of getConstant instead of converting 
an APInt into a uint64_t to call getConstant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47742 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:41:59 +00:00
Dan Gohman
cf609575ef Add support to APInt for shift and rotate operations with APInt 
instead of uint32_t for the shift/rotate count operand type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47741 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:40:47 +00:00
Anders Carlsson
b26947e967 Use the correct instruction encodings for the 64-bit MMX movd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47740 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:35:12 +00:00
Dan Gohman
6282406492 Simplify code using convertFromZeroExtendedInteger with an APInt 
by using the new convertFromAPInt directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47739 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:27:13 +00:00
Dan Gohman
93c276e1c9 Add a method to APFloat to convert directly from APInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47738 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:26:11 +00:00
Evan Cheng
d703ed6aed Added option -align-loops=<true/false> to disable loop aligner pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47736 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 23:29:57 +00:00
Dale Johannesen
28d08fdb9f Interface of getByValTypeAlignment differed between 
generic & x86 versions; change generic to follow x86
and improve comments.  Add PPC version (not right
for non-Darwin.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47734 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 22:31:51 +00:00
Andrew Lenharth
63b8c1f6f1 Make llvm-ar behave like ar, if you create an empty archive, ar creates an empty archive. llvm-ar would not generate an output file in this case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47733 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 22:24:48 +00:00
Lauro Ramos Venancio
f3c630e3fc Initialize TextAlignFillValue. Fix revision 47703. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47732 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 22:14:09 +00:00
Lauro Ramos Venancio
1f4a887e32 Avoid collisions in value names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47725 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 20:26:04 +00:00
Dale Johannesen
cd9f1747ab Fix an assertion message. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47722 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 18:36:51 +00:00
Chris Lattner
e29536ca8d add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47720 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 17:21:27 +00:00
Gabor Greif
c0734e3c99 Fix http://llvm.org/bugs/show_bug.cgi?id=2104 by ordering lexicographically what gets printed. Be const-correct in PrintResults and uninline it too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47712 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 08:38:45 +00:00
Evan Cheng
e526d8a955 Set to default: x86 no longer fold and into test if it has more than one use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47711 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 07:46:38 +00:00
Evan Cheng
643afa55e7 Keep track how many commutes are performed by the scheduler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47710 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 07:40:24 +00:00
Chris Lattner
6baaf91598 Sparc backend doesn't support debug info yet, mark the nodes as expand. This fixes a crash on 
test/DebugInfo/funccall.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47709 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 05:54:25 +00:00
Chris Lattner
e07415d400 implement expand for ISD::DECLARE by just deleting it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47708 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 05:53:40 +00:00
Chris Lattner
a4b521598a Fix CodeGen/Generic/storetrunc-fp.ll on sparc, PR2105 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47707 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 05:48:04 +00:00
Chris Lattner
61273d55e9 fix CodeGen/Generic/2008-01-25-dag-combine-mul.ll on sparc, PR2105 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47706 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 05:44:20 +00:00
Chris Lattner
48840f8db9 target-indep codegen memcpy lowering issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47705 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 05:34:27 +00:00
Chris Lattner
daf6c541b2 Add a random not very important note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47704 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 04:52:59 +00:00
Evan Cheng
fb8075d03f Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47703 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 00:43:03 +00:00
Eli Friedman
41ce5b82da A few more small things I've run into. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47702 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 00:21:43 +00:00
Anton Korobeynikov
7b1b7f5c5a EHPreferredDataFormat hook for PPC targets. Looks like Darwin 
uses the same encoding everywhere. Linux FIXME'ed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47701 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:49:15 +00:00
Devang Patel
26c22cfbcd Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47700 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:33:51 +00:00
Anton Korobeynikov
cee750fb1e Preparation step for some cleanup/generalization in EH information emission: 
provide TAI hook for selection of EH data emission format. Currently unused.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47699 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:33:50 +00:00
Dale Johannesen
8155d64c2f Handle load/store of misaligned vectors that are the 
same size as an int type by doing a bitconvert of
load/store of the int type (same algorithm as floating point).
This makes them work for ppc Altivec.  There was some
code that purported to handle loads of (some) vectors
by splitting them into two smaller vectors, but getExtLoad
rejects subvector loads, so this could never have worked;
the patch removes it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 22:36:00 +00:00
Dan Gohman
ec59b95a19 Don't hard-code the mask size to be 32, which is incorrect on ppc64 
and was causing aborts with the new APInt changes. This may also be
fixing an obscure ppc64 bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47692 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 21:12:32 +00:00
Evan Cheng
fd1074f171 This is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47688 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 20:26:32 +00:00
Evan Cheng
21b3f31f8f Fix a bug in dead spill slot elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47687 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 19:57:11 +00:00
Dan Gohman
18714aeaed Remove the `else', at Evan's insistence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47686 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 19:44:57 +00:00
Duncan Sands
052e976f85 Add a FIXME about the VECTOR_SHUFFLE evil hack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47676 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 17:39:13 +00:00
Lauro Ramos Venancio
6b0f14b96a Emit an error when a library is not found. It is the GNU ld behavior and it is expected by the configure scripts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47674 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 17:20:32 +00:00
Duncan Sands
077f9b20d0 LegalizeTypes support for EXTRACT_VECTOR_ELT. The 
approach taken is different to that in LegalizeDAG
when it is a question of expanding or promoting the
result type: for example, if extracting an i64 from
a <2 x i64>, when i64 needs expanding, it bitcasts
the vector to <4 x i32>, extracts the appropriate
two i32's, and uses those for the Lo and Hi parts.
Likewise, when extracting an i16 from a <4 x i16>,
and i16 needs promoting, it bitcasts the vector to
<2 x i32>, extracts the appropriate i32, twiddles
the bits if necessary, and uses that as the promoted
value.  This puts more pressure on bitcast legalization,
and I've added the appropriate cases.  They needed to
be added anyway since users can generate such bitcasts
too if they want to.  Also, when considering various
cases (Legal, Promote, Expand, Scalarize, Split) it is
a pain that expand can correspond to Expand, Scalarize
or Split, so I've changed the LegalizeTypes enum so it
lists those different cases - now Expand only means
splitting a scalar in two.
The code produced is the same as by LegalizeDAG for
all relevant testcases, except for
2007-10-31-extractelement-i64.ll, where the code seems
to have improved (see below; can an expert please tell
me if it is better or not).
Before < vs after >.

<       subl    $92, %esp
<       movaps  %xmm0, 64(%esp)
<       movaps  %xmm0, (%esp)
<       movl    4(%esp), %eax
<       movl    %eax, 28(%esp)
<       movl    (%esp), %eax
<       movl    %eax, 24(%esp)
<       movq    24(%esp), %mm0
<       movq    %mm0, 56(%esp)
---
>       subl    $44, %esp
>       movaps  %xmm0, 16(%esp)
>       pshufd  $1, %xmm0, %xmm1
>       movd    %xmm1, 4(%esp)
>       movd    %xmm0, (%esp)
>       movq    (%esp), %mm0
>       movq    %mm0, 8(%esp)

<       subl    $92, %esp
<       movaps  %xmm0, 64(%esp)
<       movaps  %xmm0, (%esp)
<       movl    12(%esp), %eax
<       movl    %eax, 28(%esp)
<       movl    8(%esp), %eax
<       movl    %eax, 24(%esp)
<       movq    24(%esp), %mm0
<       movq    %mm0, 56(%esp)
---
>       subl    $44, %esp
>       movaps  %xmm0, 16(%esp)
>       pshufd  $3, %xmm0, %xmm1
>       movd    %xmm1, 4(%esp)
>       movhlps %xmm0, %xmm0
>       movd    %xmm0, (%esp)
>       movq    (%esp), %mm0
>       movq    %mm0, 8(%esp)

<       subl    $92, %esp
<       movaps  %xmm0, 64(%esp)
---
>       subl    $44, %esp

<       movl    16(%esp), %eax
<       movl    %eax, 48(%esp)
<       movl    20(%esp), %eax
<       movl    %eax, 52(%esp)
<       movaps  %xmm0, (%esp)
<       movl    4(%esp), %eax
<       movl    %eax, 60(%esp)
<       movl    (%esp), %eax
<       movl    %eax, 56(%esp)
---
>       pshufd  $1, %xmm0, %xmm1
>       movd    %xmm1, 4(%esp)
>       movd    %xmm0, (%esp)
>       movd    %xmm1, 12(%esp)
>       movd    %xmm0, 8(%esp)

<       subl    $92, %esp
<       movaps  %xmm0, 64(%esp)
---
>       subl    $44, %esp

<       movl    24(%esp), %eax
<       movl    %eax, 48(%esp)
<       movl    28(%esp), %eax
<       movl    %eax, 52(%esp)
<       movaps  %xmm0, (%esp)
<       movl    12(%esp), %eax
<       movl    %eax, 60(%esp)
<       movl    8(%esp), %eax
<       movl    %eax, 56(%esp)
---
>       pshufd  $3, %xmm0, %xmm1
>       movd    %xmm1, 4(%esp)
>       movhlps %xmm0, %xmm0
>       movd    %xmm0, (%esp)
>       movd    %xmm1, 12(%esp)
>       movd    %xmm0, 8(%esp)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47672 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 13:34:40 +00:00
Duncan Sands
8745b52853 LegalizeTypes support for legalizing the mask 
operand of a VECTOR_SHUFFLE.  The mask is a
vector of constant integers.  The code in
LegalizeDAG doesn't bother to legalize the
mask, since it's basically just storage for
a bunch of constants, however LegalizeTypes
is more picky.  The problem is that there may
not exist any legal vector-of-integers type
with a legal element type, so it is impossible
to create a legal mask!  Unless of course you
cheat by creating a BUILD_VECTOR where the
operands have a different type to the element
type of the vector being built...  This is
pretty ugly but works - all relevant tests in
the testsuite pass, and produce the same
assembler with and without LegalizeTypes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47670 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 13:03:44 +00:00
Duncan Sands
4f069e6db1 LegalizeTypes support for INSERT_VECTOR_ELT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47669 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 10:18:23 +00:00
Evan Cheng
be680dcea6 Don't track max alignment during stack object allocations since they can be deleted later. Let PEI compute it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47668 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 10:04:56 +00:00
Duncan Sands
e90a615f37 Support for legalizing MEMBARRIER. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47667 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 08:53:44 +00:00
Bill Wendling
6ef781f3ce Final de-tabification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47663 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 06:33:05 +00:00
Chris Lattner
e1b332a304 Add path separator support, patch by Sam Bishop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47662 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 06:17:10 +00:00