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Commit Graph

26 Commits

Author SHA1 Message Date
Chris Lattner
6f94c802a2 Promote xform fns to be explicit nodes in result patterns, and clean off
predicates since they will have already matched at this point.

llvm-svn: 23362
2005-09-14 23:01:59 +00:00
Chris Lattner
57cae81b5e 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.

llvm-svn: 23361
2005-09-14 22:55:26 +00:00
Chris Lattner
a6a0d51065 catch unnamed inputs
llvm-svn: 23360
2005-09-14 22:06:36 +00:00
Chris Lattner
f749a0ef7c check that there are no unexpected operands
llvm-svn: 23359
2005-09-14 21:59:34 +00:00
Chris Lattner
9c196b02fa force all instruction operands to be named.
llvm-svn: 23358
2005-09-14 21:13:50 +00:00
Chris Lattner
3cbcb9f5d6 fix a broke range check
llvm-svn: 23354
2005-09-14 21:04:12 +00:00
Chris Lattner
a5ba887c02 Parse significantly more of the instruction pattern, now collecting and
verifying information about the operands.

llvm-svn: 23353
2005-09-14 20:53:42 +00:00
Chris Lattner
901ddab7b1 Verify that set destinations occur first in the instruction operand list.
llvm-svn: 23351
2005-09-14 18:19:25 +00:00
Chris Lattner
72cfebc71b remove some code that isn't ready for prime time
llvm-svn: 23346
2005-09-14 06:03:10 +00:00
Chris Lattner
c4ae94aa32 Switch to a slightly more structured representation for instructions
llvm-svn: 23345
2005-09-14 04:03:16 +00:00
Chris Lattner
77cc161bd5 Add some more checking/verification code
llvm-svn: 23344
2005-09-14 02:11:12 +00:00
Chris Lattner
9ab561788e start parsing instructions into patterns, start doing many more checks of
'set's.

llvm-svn: 23343
2005-09-14 00:09:24 +00:00
Chris Lattner
e2591652a2 don't emit the namespace inside the class!
llvm-svn: 23341
2005-09-13 22:05:02 +00:00
Chris Lattner
1da656efd4 Emit code suitable for emission into the ISel class, allowing us to use/define
methods.

llvm-svn: 23340
2005-09-13 22:03:37 +00:00
Chris Lattner
9bb7fff501 continue xform function parsing
llvm-svn: 23338
2005-09-13 21:59:15 +00:00
Chris Lattner
abc740453c Start parsing node transformation information
llvm-svn: 23337
2005-09-13 21:51:00 +00:00
Chris Lattner
4e59482982 completely eliminate TreePattern::PatternType
llvm-svn: 23335
2005-09-13 21:20:49 +00:00
Chris Lattner
ada7ac14a1 add an accessor to provide more checking
llvm-svn: 23289
2005-09-09 01:15:01 +00:00
Chris Lattner
2490f8f606 use new accessors to simplify code. Add checking to make sure top-level instr
definitions are void

llvm-svn: 23288
2005-09-09 01:11:44 +00:00
Chris Lattner
334e21eb98 Fix incorrect comment
llvm-svn: 23285
2005-09-08 23:26:30 +00:00
Chris Lattner
a6d21c974c Implement a complete type inference system for dag patterns, based on the
constraints defined in the DAG node definitions in the .td files.  This
allows us to infer (and check!) the types for all nodes in the current
ppc .td file.  For example, instead of:

Inst pattern EQV:       (set GPRC:i32:$rT, (xor (xor GPRC:i32:$rA, GPRC:i32:$rB), (imm)<<Predicate_immAllOnes>>))

we now fully infer:

Inst pattern EQV:       (set:void GPRC:i32:$rT, (xor:i32 (xor:i32 GPRC:i32:$rA, GPRC:i32:$rB), (imm:i32)<<Predicate_immAllOnes>>))

from:  (set GPRC:$rT, (not (xor GPRC:$rA, GPRC:$rB)))
llvm-svn: 23284
2005-09-08 23:22:48 +00:00
Chris Lattner
152a72de2c Parse information about type constraints on SDNodes
llvm-svn: 23281
2005-09-08 21:27:15 +00:00
Chris Lattner
ef07fffe37 use node info in the one place we currently use it
llvm-svn: 23280
2005-09-08 21:04:46 +00:00
Chris Lattner
d9930002aa start parsing SDNode info records
llvm-svn: 23279
2005-09-08 21:03:01 +00:00
Chris Lattner
03637c7200 Keep names even when inlining. This allows us to realize that ADDI is:
(set GPRC:i32:$rD, (add GPRC:i32:$rA, (imm)<<Predicate_immSExt16>>:$imm))

not:

(set GPRC:i32:$rD, (add GPRC:i32:$rA, (imm)<<Predicate_immSExt16>>))

(we keep the ":$imm")

llvm-svn: 23269
2005-09-08 17:45:12 +00:00
Chris Lattner
65c98b6441 Initial cut of the dag isel generator. This is still very much a work in
progress.  It correctly parses instructions and pattern fragments and glues
together pattern fragments into instructions.

The only code it generates currently is some boilerplate code for things
like the EntryNode.

llvm-svn: 23261
2005-09-07 23:44:43 +00:00