Commit Graph

473 Commits

Author SHA1 Message Date
465c737467 Reject integer literals that are out of range for their type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24162 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-03 05:46:11 +00:00
0614b628cf Add support for immediates directly in the pattern, this allows itanium to
define:

def : Pat<(i1 1), (CMPEQ r0, r0)>;


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24149 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-02 06:49:14 +00:00
9d1a02345c Make negative immediates in patterns work correctly, silence some warnings
building the itanium backend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24095 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29 16:39:40 +00:00
b0e103d46b Rename Record::getValueAsListDef to getValueAsListOfDefs, to more accurately
reflect what it is.
Convert some more code over to use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24072 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-28 22:49:02 +00:00
6bc0d742c2 Use the new interface Jim added
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24071 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-28 22:43:25 +00:00
a7ad198f89 Condcodes are in the ISD namespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24010 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-26 17:02:02 +00:00
1531f2025c Add support for CondCode's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24008 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-26 16:59:37 +00:00
f071bb5b87 Emit some boilerplate for targets
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23983 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-25 20:35:14 +00:00
edbd8711de Make tblgen emit:
tblgen: In ZAPNOTi: Cannot use 'IZAPX' in an input pattern!
for a bad pattern, instead of an ugly assertion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23854 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 01:19:59 +00:00
2f041d49a9 add support for literal immediates in patterns to match, allowing us to
write things like this:

def : Pat<(add GPRC:$in, 12),
          (ADD12 GPRC:$in)>;

Andrew: if this isn't enough or doesn't work for you, please lemme know.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23819 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-19 04:41:05 +00:00
5d5a056092 Add basic support for integer constants in pattern results.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23817 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-19 04:30:56 +00:00
4c59309f59 Add support for patterns that have physical registers in them. Testcase:
def : Pat<(trunc G8RC:$in),
          (OR8To4 G8RC:$in, X0)>;

Even though this doesn't make any sense on PPC :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23815 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-19 02:07:26 +00:00
ab1bf27be5 Asserting here is to violent
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23814 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-19 01:55:23 +00:00
0c0cfa741f Nate wants to define 'Pat's which turn into instructions that don't have
patterns.  Certainly a logical request.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23810 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-19 01:27:22 +00:00
b277cbc087 Duraid pointed out that it is impolite to emit PPC:: into the IA64 backend
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23780 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-18 04:41:01 +00:00
5024d93c8b Make the generated code significantly more memory efficient, by using
SelectNodeTo instead of getTargetNode when possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23758 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-16 01:41:58 +00:00
7e82f1322c Implement the last major missing piece in the DAG isel generator: when emitting
a pattern match, make sure to emit the (minimal number of) type checks that
verify the pattern matches this specific instruction.  This allows FMA32
patterns to not match double expressions for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23748 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-15 21:34:21 +00:00
603d78c9de Now that we have int/fp lattice values, implement the SDTCisOpSmallerThanOp
type constraint.  This lets tblgen realize that it doesn't need any dynamic
type checks for fextend/fround on PPC (and many other targets), because there
are only two fp types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23730 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-14 06:25:00 +00:00
3c7e18d690 Fairly serious rework of the typing code to add new int/fp lattice values.
Overall, no functionality change yet though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23729 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-14 06:12:03 +00:00
e0583b1b92 simplify the code a bit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23728 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-14 05:08:37 +00:00
03ebd802c7 Add basic support for recognizing a new SDTCisOpSmallerThanOp type constraint
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23725 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-14 04:53:53 +00:00
0ee7cff4fb Implement a couple of new (important) features.
1. If an operation has to be int or fp and the target only supports one
   int or fp type, relize that the op has to have that type.
2. If a target has operations on multiple types, do not emit matching code
   for patterns involving those operators, since we do not emit the code to
   check for them yet.  This prevents PPC from generating FP ops currently.

Also move some code around into more logical places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23724 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-14 04:11:13 +00:00
af302914d1 Teach tablegen to reassociate operators when possible. This allows it to
find all of teh pattern matches for EQV from one definition


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23529 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-29 22:36:54 +00:00
e46e17b7fb Teach tblgen to build permutations of instructions, so that the target author
doesn't have to specify them manually.  It currently handles associativity,
e.g. knowing that (X*Y)+Z  also matches  X+(Y*Z)  and will be extended in
the future.

It is smart enough to not introduce duplicate patterns or patterns that can
never match.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23526 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-29 19:28:10 +00:00
7cf2fe6c48 add support for an associative marker
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23502 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-28 20:58:06 +00:00
e97603f1bd Emit an error if instructions or patterns are defined but can never match.
Currently we check that immediate values live on the RHS of commutative
operators.  Defining ORI like this, for example:

def ORI   : DForm_4<24, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
                    "ori $dst, $src1, $src2",
                    [(set GPRC:$dst, (or immZExt16:$src2, GPRC:$src1))]>;

results in:

tblgen: In ORI: Instruction can never match: Immediate values must be on the RHS of commutative operators!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23501 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-28 19:27:25 +00:00
a1a68ae061 collect commutativity information
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23499 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-28 18:28:29 +00:00
05814af29f Prefer cheaper patterns to more expensive ones. Print the costs to the generated
file


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23492 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-28 17:57:56 +00:00
f6f9416363 Select Constant nodes to TargetConstant nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23488 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-28 16:58:06 +00:00
fab3728801 memoize the assert results
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23457 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 22:10:24 +00:00
3748147aaf Emit the switch stmt cases in alphabetical order instead of pointer order,
which is not stable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23456 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 21:59:35 +00:00
6bc7e513d5 implement a fixme: only select values once, even if used multiple times.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23454 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-26 21:53:26 +00:00
a48283baa3 Fix VC++ build errors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23431 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-25 19:04:43 +00:00
296dfe3b8a memoize translations
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23419 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 00:50:51 +00:00
72fe91c4dd Teach the DAG isel generator to emit code that creates nodes.
Fix a few corner cases parsing things like (i32 imm:$foo)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23417 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-24 00:40:24 +00:00
8fc3568d98 Emit better code (no more copies for var references), and support DAG patterns
(e.g. things like rotates).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23416 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 23:16:51 +00:00
547394ca38 Fix a fixme by passing around SDOperand's instead of SDNode*'s
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23415 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 21:53:45 +00:00
d1ff35a49d Emit code that matches the incoming DAG pattern and checks predicates.
This does not check that types match yet, but PPC only has one integer type
;-).

This also doesn't have the code to build the resultant dag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23414 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 21:33:23 +00:00
3f7e91477e emit information about the order patterns are to be matched.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23413 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 20:52:47 +00:00
813033248c start filling in the switch stmt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23412 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-23 19:36:15 +00:00
b9f01eb7bc Fix a minor bug, add comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23370 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-16 00:29:46 +00:00
a28aec1da7 teach the type inference code how to infer types for instructions and node
xforms.  Run type inference on result patterns, so we always have fully typed
results (and to catch errors in .td files).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23369 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-15 22:23:50 +00:00
ae5b350b3b put instructions into a map instead of a vector for quick lookup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23368 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-15 21:57:35 +00:00
ae6d828de8 when parsing instructions remember information about the types taken and
returned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23367 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-15 21:51:12 +00:00
abbb605d80 Start parsing "Pattern" nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23365 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-15 21:42:00 +00:00
b39e4be1e1 rename a couple of methods, add structure for pattern parsing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23364 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-15 02:38:02 +00:00
f1311843d5 Verify that xform functions only occur in logical places
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23363 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-14 23:05:13 +00:00
2175c18c4f Promote xform fns to be explicit nodes in result patterns, and clean off
predicates since they will have already matched at this point.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23362 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-14 23:01:59 +00:00
b0276200e6 start building the instruction dest pattern correctly. Change the xform
functions to preserve the Record for the xform instead of making it into a
function name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23361 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-14 22:55:26 +00:00
7da852fbab catch unnamed inputs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23360 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-14 22:06:36 +00:00