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264 Commits

Author SHA1 Message Date
Chris Lattner bb9b01644e don't emit the namespace inside the class! 
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 
methods.

llvm-svn: 23340
 2005-09-13 22:03:37 +00:00
Chris Lattner 3556d849da continue xform function parsing 
llvm-svn: 23338
 2005-09-13 21:59:15 +00:00
Chris Lattner 2617de498d Start parsing node transformation information 
llvm-svn: 23337
 2005-09-13 21:51:00 +00:00
Chris Lattner f365e25a5c completely eliminate TreePattern::PatternType 
llvm-svn: 23335
 2005-09-13 21:20:49 +00:00
Chris Lattner ce2173d098 add an accessor to provide more checking 
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 
definitions are void

llvm-svn: 23288
 2005-09-09 01:11:44 +00:00
Chris Lattner debd6e95ab Fix incorrect comment 
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 
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:$rB)))
llvm-svn: 23284
 2005-09-08 23:22:48 +00:00
Chris Lattner 1c33104010 Parse information about type constraints on SDNodes 
llvm-svn: 23281
 2005-09-08 21:27:15 +00:00
Chris Lattner a3b89dfcef use node info in the one place we currently use it 
llvm-svn: 23280
 2005-09-08 21:04:46 +00:00
Chris Lattner 35bcd1488a start parsing SDNode info records 
llvm-svn: 23279
 2005-09-08 21:03:01 +00:00
Chris Lattner 399f59f643 Keep names even when inlining. This allows us to realize that ADDI is: 
(set GPRC:i32:$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 
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