Chris Lattner
3361eab530
Switch to a slightly more structured representation for instructions
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llvm-svn: 23345
2005-09-14 04:03:16 +00:00
Chris Lattner
4cfcb544bf
Add some more checking/verification code
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llvm-svn: 23344
2005-09-14 02:11:12 +00:00
Chris Lattner
4c7b604091
start parsing instructions into patterns, start doing many more checks of
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'set's.
llvm-svn: 23343
2005-09-14 00:09:24 +00:00
Chris Lattner
bb9b01644e
don't emit the namespace inside the class!
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llvm-svn: 23341
2005-09-13 22:05:02 +00:00
Chris Lattner
70a7234111
Emit code suitable for emission into the ISel class, allowing us to use/define
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methods.
llvm-svn: 23340
2005-09-13 22:03:37 +00:00
Chris Lattner
3556d849da
continue xform function parsing
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llvm-svn: 23338
2005-09-13 21:59:15 +00:00
Chris Lattner
2617de498d
Start parsing node transformation information
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llvm-svn: 23337
2005-09-13 21:51:00 +00:00
Chris Lattner
f365e25a5c
completely eliminate TreePattern::PatternType
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llvm-svn: 23335
2005-09-13 21:20:49 +00:00
Chris Lattner
ce2173d098
add an accessor to provide more checking
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llvm-svn: 23289
2005-09-09 01:15:01 +00:00
Chris Lattner
7a82c06f34
use new accessors to simplify code. Add checking to make sure top-level instr
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definitions are void
llvm-svn: 23288
2005-09-09 01:11:44 +00:00
Chris Lattner
debd6e95ab
Fix incorrect comment
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llvm-svn: 23285
2005-09-08 23:26:30 +00:00
Chris Lattner
d7d31f3b06
Implement a complete type inference system for dag patterns, based on the
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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:$rB)))
llvm-svn: 23284
2005-09-08 23:22:48 +00:00
Chris Lattner
1c33104010
Parse information about type constraints on SDNodes
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llvm-svn: 23281
2005-09-08 21:27:15 +00:00
Chris Lattner
a3b89dfcef
use node info in the one place we currently use it
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llvm-svn: 23280
2005-09-08 21:04:46 +00:00
Chris Lattner
35bcd1488a
start parsing SDNode info records
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llvm-svn: 23279
2005-09-08 21:03:01 +00:00
Chris Lattner
399f59f643
Keep names even when inlining. This allows us to realize that ADDI is:
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(set GPRC:i32:$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
d2a5b366f5
Initial cut of the dag isel generator. This is still very much a work in
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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