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6 Commits

Author SHA1 Message Date
Jim Grosbach
797cff0504 Consolidate some TableGen diagnostic helper functions. 
TableGen had diagnostic printers sprinkled about in a few places. Pull them
together into a single location in Error.cpp.

llvm-svn: 133568
 2011-06-21 22:55:50 +00:00
Jakob Stoklund Olesen
72f4b85119 Prempt some obnoxious compiler from complaing about signed/unsigned 
compares.

2^30 is actually the limit on the number of physical registers per
TargetRegisterInfo.h.

llvm-svn: 133142
 2011-06-16 03:07:40 +00:00
Jakob Stoklund Olesen
e3ebb40ff1 Make sure to pass an unsigned to a printf format that is always %u. 
This should unbreak the native ARM testers.

llvm-svn: 133141
 2011-06-16 02:55:56 +00:00
Jakob Stoklund Olesen
25b753bb3f Drop a RecordKeeper reference that wasn't necessary. 
llvm-svn: 132636
 2011-06-04 07:49:55 +00:00
Jakob Stoklund Olesen
a4615a6f94 Silence compiler warnings. 
llvm-svn: 132624
 2011-06-04 05:09:36 +00:00
Jakob Stoklund Olesen
fc205a5694 Teach TableGen to evaluate DAG expressions as set operations. 
A TableGen backend can define how certain classes can be expanded into
ordered sets of defs, typically by evaluating a specific field in the
record. The SetTheory class can then evaluate DAG expressions that refer
to these named sets.

A number of standard set and list operations are predefined, and the
backend can add more specialized operators if needed. The -print-sets
backend is used by SetTheory.td to provide examples.

This is intended to simplify how register classes are defined:

  def GR32_NOSP : RegisterClass<"X86", [i32], 32, (sub GR32, ESP)>;

llvm-svn: 132621
 2011-06-04 04:11:37 +00:00