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136 Commits

Author SHA1 Message Date
Evan Cheng
0f040a258f - Add "Bitcast" target instruction property for instructions which perform 
nothing more than a bitcast.
- Teach tablegen to automatically infer "Bitcast" property.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127667 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-15 05:09:26 +00:00
David Greene
c83e203757 Silence uninitialized value warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124869 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-04 17:01:53 +00:00
David Greene
9d7f011110 [AVX] Implement EnforceSmallerThan for mixed int/fp type lists. This 
makes type checking for extract_subvector and insert_subvector more
robust and will allow stricter typechecking of more patterns in the
future.

This change handles int and fp as disjoint sets so that it will
enforce integer types to be smaller than the largest integer type and
fp types to be smaller than the largest fp type.  There is no attempt
to check type sizes across the int/fp sets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124672 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-01 19:12:32 +00:00
David Greene
6032269837 [AVX] Add type checking support for vector/subvector type constraints. 
This will be used to check patterns referencing a forthcoming
INSERT_SUBVECTOR SDNode.  INSERT_SUBVECTOR in turn is very useful for
matching to VINSERTF128 instructions and complements the already
existing EXTRACT_SUBVECTOR SDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124145 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-24 20:53:18 +00:00
Chris Lattner
036609bd7d Flag -> Glue, the ongoing saga 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122513 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-23 18:28:41 +00:00
Jim Grosbach
fbadcd0826 Tidy up a bit. Trailing whitespace, hard tabs and 80-columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122337 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-21 16:16:00 +00:00
Chris Lattner
67db883487 eliminate the Records global variable, patch by Garrison Venn! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121659 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-13 00:23:57 +00:00
Jim Grosbach
997759ac22 Add source Record* reference to PatternToMatch. Allows better diagnostics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:05:49 +00:00
Chris Lattner
c240bb0ede factor the operand list (and related fields/operations) out of 
CodeGenInstruction into its own helper class.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117893 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 04:03:32 +00:00
Jim Grosbach
bb16824dc3 A few 80 column cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116069 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 18:13:57 +00:00
Daniel Dunbar
6aa526bf76 Fix -Asserts warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116030 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-08 02:07:22 +00:00
Dan Gohman
7365c091f9 Remove IntrWriteMem, as it's the default. Rename IntrWriteArgMem 
to IntrReadWriteArgMem, as it's for reading as well as writing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-05 23:36:21 +00:00
Jakob Stoklund Olesen
73ea7bf450 Add the SubRegIndex TableGen class. 
This is the beginning of purely symbolic subregister indices, but we need a bit
of jiggling before the explicit numeric indices can be completely removed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104492 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 14:48:12 +00:00
Chris Lattner
acfb70f750 stop computing InstImpInputs, it is dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101881 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 06:30:25 +00:00
Chris Lattner
62bcec82b2 DAGInstruction::ImpOperands is dead after my recent tblgen work, zap it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101880 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 06:28:43 +00:00
Chris Lattner
48e86dbe29 print the complexity of the pattern being matched in the 
comment in the generated table.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99794 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-29 01:40:38 +00:00
Chris Lattner
2a22cdc716 improve type checking of SDNode operand count. This rejects all cases 
where an incorrect number of operands is provided to an sdnode instead
of just a few cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99761 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-28 08:48:47 +00:00
Chris Lattner
caa8870fe0 finally remove the immAllOnesV_bc/immAllZerosV_bc patterns 
and those derived from them.  These are obnoxious because
they were written as: PatLeaf<(bitconvert).  Not having an
argument was foiling adding better type checking for operand
count matching up with what was required (in this case,
bitconvert always requires an operand!)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99759 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-28 08:43:23 +00:00
Chris Lattner
7a0eb91b4c teach tblgen to allow patterns like (add (i32 (bitconvert (i32 GPR))), 4), 
transforming it into (add (i32 GPR), 4).  This allows us to write type
generic multi patterns and have tblgen automatically drop the bitconvert
in the case when the types align.  This allows us to fold an extra load
in the changed testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99756 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-28 08:38:32 +00:00
Chris Lattner
b775b1e20b validate that input sdnodes don't exist in an output pattern. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99747 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-28 06:57:56 +00:00
Chris Lattner
c217305f76 eliminate a bunch of code duplication in ParseTreePattern 
by rotating it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-28 06:50:34 +00:00
Chris Lattner
c812261221 SDTCisVT<0, isVoid> is not valid, reject it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99744 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-28 06:04:39 +00:00
Chris Lattner
0d7952ed5a fix CodeGenTarget::getRegisterVTs to not return the 
same vt multiple times for a register.  For example,
ECX is in 5 different i32 reg classes, just return 
1 i32 instead of 5.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99727 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-27 20:32:26 +00:00
Chris Lattner
9414ae5291 hoist some funky logic into CodeGenInstruction 
from two places in CodeGenDAGPatterns.cpp, and
use it in DAGISelMatcherGen.cpp instead of using
an incorrect predicate that happened to get lucky
on our current targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-27 20:09:24 +00:00
Chris Lattner
0be6fe7139 continue pushing tblgen's support for nodes with multiple 
results forward.  We can now handle an instruction that 
produces one implicit def and one result instead of one or
the other when not at the root of the pattern.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99725 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-27 19:15:02 +00:00
Chris Lattner
310adf1c6f remove parallel support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99703 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-27 02:53:27 +00:00
Chris Lattner
084df627c8 add plumbing for handling multiple result nodes 
in some more places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99366 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-24 00:41:19 +00:00
Chris Lattner
cc87830732 implement SDTCisVTSmallerThanOp with EnforceSmallerThan 
instead of reimplementing it wrong and poorly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99357 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-24 00:06:46 +00:00
Chris Lattner
66fb9d26c6 bring sanity to EnforceVectorEltType 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99354 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-24 00:01:16 +00:00
Chris Lattner
640a3f5309 Cleanup getImplicitType 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99353 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-23 23:50:31 +00:00
Chris Lattner
93dc92e412 Change intrinsic result type for void to store it as an empty list 
instead of as a single element list with VoidTy.  Now with a fix
for the verifier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-22 20:56:36 +00:00
Daniel Dunbar
32f6a8b8bb Fix suggested parentheses warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-21 01:38:21 +00:00
Eric Christopher
d7de54068c Revert r99009 temporarily it seems to be breaking the bots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99011 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 23:04:23 +00:00
Chris Lattner
26e763753b Change intrinsic result type for void to store it as an empty list 
instead of as a single element list with VoidTy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99009 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 22:40:56 +00:00
Chris Lattner
2e68a02c26 make getOperandNum a static function (since it's just used by 
ApplyTypeConstraint) and make it handle multiple result nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99003 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 21:56:21 +00:00
Chris Lattner
d734919465 major surgery on tblgen: generalize TreePatternNode 
to maintain a list of types (one for each result of
the node) instead of a single type.  There are liberal
hacks added to emulate the old behavior in various
situations, but they can start disolving now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98999 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 21:37:09 +00:00
Chris Lattner
774ce29399 make FillWithPossibleTypes take a predicate to filter types so that 
we don't blow the smallvector as often.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98968 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 17:41:26 +00:00
Chris Lattner
1e50631675 resolve fixme: we now infer the instruction-level 'isvariadic' bit 
from the pattern if present, and we use it instead of the bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98938 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 05:34:15 +00:00
Chris Lattner
e8cabf3c2e add a new SDNPVariadic SDNP node flag, and use it in 
dag isel gen instead of instruction properties.  This
allows the oh-so-useful behavior of matching a variadic
non-root node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98934 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 05:07:09 +00:00
Chris Lattner
5a9b8fb95c rewrite EnforceSmallerThan to be less bone headed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98933 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 04:54:36 +00:00
Daniel Dunbar
65f35d5703 Fix -Asserts warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98927 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 03:18:20 +00:00
Chris Lattner
aac5b5b2e5 eliminate the last use of EEVT::isUnknown 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98918 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 01:14:27 +00:00
Chris Lattner
f65027842e change Target.getInstructionsByEnumValue to return a reference 
to a vector that CGT stores instead of synthesizing it on every 
call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98910 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 00:34:35 +00:00
Chris Lattner
b61e09de6d don't go through getInstructions(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98906 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 00:18:23 +00:00
Chris Lattner
f30187a363 look up instructions by record, not by name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98904 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 00:07:20 +00:00
Chris Lattner
928795387f expand tblgen's support for instructions with implicit defs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98900 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 23:57:40 +00:00
Chris Lattner
6c6ba36493 infer results of a pattern from implicit defs. This allows you to do something 
like this:

 def : Pat<(add ...),
           (FOOINST)>;

When fooinst only has a single implicit def (e.g. to R1).  This will be handled
as if written as (set R1, (FOOINST ...))



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98897 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 23:15:10 +00:00
Chris Lattner
ef988984d7 simplify this code, the # of sets in the pattern for an instruction 
shouldn't change this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98872 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 21:15:05 +00:00
Chris Lattner
cedef1ccf0 remove some code that was working around old sparc v9 backend bugs. 
Add checking that the input/output operand list in spelled right.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98865 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-18 20:50:52 +00:00
Chris Lattner
e002da34ef eliminate some #if 0 code I added in r96905, type inference 
now enforces that input/output named values have hte same type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98535 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-15 06:03:22 +00:00