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5b0e24902bfa6435664b2f62fd63a7c8aceac015
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79 Commits

Author SHA1 Message Date
Chris Lattner 5b0e24902b Reject patterns that use a name multiple times in the src or result 
of a pattern and where the uses have different types.

llvm-svn: 96904
 2010-02-23 07:22:28 +00:00
Chris Lattner a7722b6f76 reject patterns that have dead named arguments in the input pattern 
this is tidier and can find bugs.

llvm-svn: 96900
 2010-02-23 06:55:24 +00:00
Chris Lattner 94d3b0a77d reject patterns that mention a name in the destination pattern 
but not in the input.  Previously, this would trigger an abort
late in the isel logic.

llvm-svn: 96898
 2010-02-23 06:35:45 +00:00
Chris Lattner 0c0baa91a4 merge some code. 
llvm-svn: 96896
 2010-02-23 06:16:51 +00:00
Chris Lattner f66b6aa232 more tidying up 
llvm-svn: 96891
 2010-02-23 05:59:10 +00:00
Chris Lattner ee820ace06 reduce indentation by eliminating 'else after return' 
llvm-svn: 96889
 2010-02-23 05:51:07 +00:00
Chris Lattner f2d7099b3b reduce nesting. 
llvm-svn: 96466
 2010-02-17 06:53:36 +00:00
Chris Lattner 450d50467c constize 
llvm-svn: 96199
 2010-02-14 22:33:49 +00:00
Chris Lattner 53c39ba3c1 clean up a bunch of code, move some random predicates 
on TreePatternNode to be methods on TreePatternNode.

llvm-svn: 96197
 2010-02-14 22:22:58 +00:00
Chris Lattner 78291e3be8 tidy up 
llvm-svn: 96186
 2010-02-14 21:10:15 +00:00
Bill Wendling b45a3d8de4 Use the 'MadeChange' variable instead of returning 'false' all of the time. 
llvm-svn: 92155
 2009-12-25 13:35:40 +00:00
Anton Korobeynikov 0f38d989bd Do not infer the target type for COPY_TO_REGCLASS from dest regclass, this won't work if it can contain several types. Require explicit result type for the node for now. This fixes PR5364. 
PS: It seems that blackfin usage of copy_to_regclass is completely bogus!
llvm-svn: 85766
 2009-11-02 00:11:39 +00:00
Bob Wilson 57b946c94b PR4795: Remove EEVT::isFP, isInt and isVec types used by TableGen's type 
inferencing.  As far as I can tell, these are equivalent to the existing
MVT::fAny, iAny and vAny types, and having both of them makes it harder
to reason about and modify the type inferencing code.

The specific problem in PR4795 occurs when updating a vAny type to be fAny
or iAny, or vice versa.  Both iAny and fAny include vector types -- they
intersect with the set of types represented by vAny.  When merging them,
choose fAny/iAny to represent the intersection.  This is not perfect, since
fAny/iAny also include scalar types, but it is good enough for TableGen's
type inferencing.

llvm-svn: 80423
 2009-08-29 05:53:25 +00:00
Benjamin Kramer c2dbd5d671 Try to fix MSVC build after r79846. 
llvm-svn: 79850
 2009-08-23 10:39:21 +00:00
Daniel Dunbar ced008152f Fix non-determinism in DAGISel emitter. 
- This manifested as non-determinism in the .inc output in rare cases (when two
   distinct patterns ended up being equivalent, which is rather rare). That
   meant the pattern matching was non-deterministic, which could eventually mean
   the code generator selected different instructions based on the arch.

 - It's probably worth making the DAGISel ensure a total ordering (or force the
   user to), but the simple fix here is to totally order the Record* maps based
   on a unique ID.

 - PR4672, PR4711.

Yay:
--
ddunbar@giles:~$ cat ~/llvm.obj.64/lib/Target/*/*.inc | shasum
d1099ff34b21459a5a3e7021c225c080e6017ece  -
ddunbar@giles:~$ cat ~/llvm.obj.ppc/lib/Target/*/*.inc | shasum
d1099ff34b21459a5a3e7021c225c080e6017ece  -
--

llvm-svn: 79846
 2009-08-23 09:47:37 +00:00
Chris Lattner 34822f6ec7 remove some DOUTs 
llvm-svn: 79821
 2009-08-23 04:44:11 +00:00
Bob Wilson f7e587fd53 Add a new "SDTCisVec" SDTypeConstraint. This complements the vAny type. 
There have been a few times where I've wanted this but ended up leaving the
operand type unconstrained.  It is easy to add this now and should help
catch errors in the future.

llvm-svn: 78849
 2009-08-12 22:30:59 +00:00
Owen Anderson 9f94459d24 Split EVT into MVT and EVT, the former representing _just_ a primitive type, while 
the latter is capable of representing either a primitive or an extended type.

llvm-svn: 78713
 2009-08-11 20:47:22 +00:00
Bob Wilson 2cd5da8300 Add a new overloaded EVT::vAny type for use in TableGen to allow intrinsic 
arguments that are vectors of any size and element type.

llvm-svn: 78631
 2009-08-11 01:14:02 +00:00
Owen Anderson 53aa7a960c Rename MVT to EVT, in preparation for splitting SimpleValueType out into its own struct type. 
llvm-svn: 78610
 2009-08-10 22:56:29 +00:00
Chris Lattner 426bc7c0ae make ptr_rc derive from a new PointerLikeRegClass tblgen class. 
llvm-svn: 77503
 2009-07-29 20:43:05 +00:00
Daniel Dunbar 38a22bffdc Replace std::iostreams with raw_ostream in TableGen. 
- Sorry, I can't help myself.

 - No intended functionality change.

llvm-svn: 74742
 2009-07-03 00:10:29 +00:00
Evan Cheng 34c8c7414f Fix a CodeGenDAGPatterns bug. Check if top level predicates match when it's looking for duplicates. 
llvm-svn: 74276
 2009-06-26 05:59:16 +00:00
Nick Lewycky d9d1f817a0 Fix grammaro, and bad indentation. 
llvm-svn: 73602
 2009-06-17 04:23:52 +00:00
Bill Wendling e05336f80d I'm going to assume that this was meant to be an assignment instead of a 
computation that isn't used. Please correct this if it's wrong!

llvm-svn: 73139
 2009-06-09 18:49:42 +00:00