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40 Commits

Author SHA1 Message Date
Dan Gohman ca0546facc Fun x86 encoding tricks: when adding an immediate value of 128, 
use a SUB instruction instead of an ADD, because -128 can be
encoded in an 8-bit signed immediate field, while +128 can't be.
This avoids the need for a 32-bit immediate field in this case.

A similar optimization applies to 64-bit adds with 0x80000000,
with the 32-bit signed immediate field.

To support this, teach tablegen how to handle 64-bit constants.

llvm-svn: 57663
 2008-10-17 01:33:43 +00:00
Matthijs Kooijman d4f2f2e86f Remove some debug output from tblgen. This fixes a test. 
llvm-svn: 52177
 2008-06-10 14:53:49 +00:00
Chris Lattner 8adcd9f32e remove attributions from utils. 
llvm-svn: 45419
 2007-12-29 20:37:13 +00:00
Chris Lattner 695506c046 change the Init print methods to return strings, and implement 
print in terms of that.

llvm-svn: 44276
 2007-11-22 21:05:25 +00:00
Chris Lattner 1b1e96b8d7 eliminate a bunch of print methods that are duplicate with the getAsString() method. 
llvm-svn: 44275
 2007-11-22 20:51:34 +00:00
Chris Lattner 8b9ecdad0c Add the ability to convert a tblgen type to a string. 
llvm-svn: 44257
 2007-11-20 22:25:16 +00:00
Anton Korobeynikov a468a11d80 Add convenient helper to obtain list of ints 
llvm-svn: 43993
 2007-11-11 11:19:37 +00:00
Evan Cheng 94b5a80b93 Change instruction description to split OperandList into OutOperandList and 
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr  : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
                 "add{l} {$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr  : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
                 "add{l} {$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;

llvm-svn: 40033
 2007-07-19 01:14:50 +00:00
Evan Cheng a32dee205f Added \!con(a,b) syntax to concatnate two dag fragments. 
llvm-svn: 37063
 2007-05-15 01:23:24 +00:00
Chris Lattner cbebe4600f reapply 
llvm-svn: 34697
 2007-02-27 22:08:27 +00:00
Evan Cheng 116ec30e4f Backing out 
CodeGenTarget.cpp updated: 1.82 -> 1.83
Record.cpp updated: 1.55 -> 1.56
Record.h updated: 1.59 -> 1.60
TableGen.cpp updated: 1.47 -> 1.48
It's missing CallingConvEmitter.h

llvm-svn: 34693
 2007-02-27 21:44:08 +00:00
Chris Lattner fa024e1ad1 initial support for calling convention generation, still unfinished. 
llvm-svn: 34682
 2007-02-27 20:43:37 +00:00
Bill Wendling 9bfb1e1f29 What should be the last unnecessary <iostream>s in the library. 
llvm-svn: 32333
 2006-12-07 22:21:48 +00:00
Reid Spencer 2a82686563 For PR786: 
Remove unused variables.

llvm-svn: 31381
 2006-11-02 20:46:16 +00:00
Chris Lattner 51ffbf18f0 Generalize the previous binary operator support and add a string concatenation 
operation.  This implements Regression/TableGen/strconcat.td.

llvm-svn: 27312
 2006-03-31 21:53:49 +00:00
Chris Lattner b59cf3cff4 Implement Regression/TableGen/DagDefSubst.ll 
llvm-svn: 27263
 2006-03-30 22:50:40 +00:00
Jeff Cohen 0add83e969 Fix bugs identified by VC++. 
llvm-svn: 26287
 2006-02-18 03:20:33 +00:00
Chris Lattner 0d3ef40656 implement test/Regression/TableGen/DagIntSubst.ll 
llvm-svn: 25836
 2006-01-31 06:02:35 +00:00
Duraid Madina 14492afc23 more standards-compliance stuff 
llvm-svn: 25014
 2005-12-26 05:08:55 +00:00
Nate Begeman f621b333f3 Fix some copy and paste typos. 
llvm-svn: 24540
 2005-11-30 18:37:14 +00:00
Chris Lattner 7ad0bed89f Rename Record::getValueAsListDef to getValueAsListOfDefs, to more accurately 
reflect what it is.
Convert some more code over to use it.

llvm-svn: 24072
 2005-10-28 22:49:02 +00:00
Jim Laskey b04feb633f Added method to return a vector of records for a ListInit of Def field. This 
simplifies using list of records.

llvm-svn: 24069
 2005-10-28 21:46:31 +00:00
Chris Lattner ae939eb6bb Add a new Record::getValueAsCode method to mirror the other getValueAs* 
methods.  Use it to simplify some code.

llvm-svn: 23336
 2005-09-13 21:44:28 +00:00
Chris Lattner ac284259ac Add a setName method to Record. 
llvm-svn: 22911
 2005-08-19 17:58:11 +00:00
Jeff Cohen 88e7b7288a Eliminate tabs and trailing spaces 
llvm-svn: 21441
 2005-04-22 04:13:13 +00:00
Misha Brukman 650ba8eb56 Remove trailing whitespace 
llvm-svn: 21428
 2005-04-22 00:00:37 +00:00
Chris Lattner b17483028f fix bogus warning 
llvm-svn: 21361
 2005-04-19 15:32:30 +00:00
Chris Lattner ef94374a1c Major change to tblgen: instead of resolving values every time a class is 
finished up, only resolve fully when the def is defined.  This allows things
to be changed and all uses to be propagated through.  This implements
TableGen/LazyChange.td and fixes TemplateArgRename.td in the process.

None of the .td files used in LLVM backends are changed at all by this
patch.

llvm-svn: 21344
 2005-04-19 03:36:21 +00:00
Chris Lattner 3ff0e11294 implementing shifting of literal integers 
llvm-svn: 21336
 2005-04-19 01:17:35 +00:00
Chris Lattner 429aaa5855 Quiet VC++ warnings 
llvm-svn: 17484
 2004-11-05 04:50:59 +00:00
Misha Brukman 41f9f29996 Properly `quote' names, and don't forget to add the ending quote! 
llvm-svn: 16838
 2004-10-08 14:59:05 +00:00
Misha Brukman 46cee7da73 #include DataTypes.h to compile on MinGW, patch by Henrik Bach. 
llvm-svn: 16616
 2004-09-30 18:27:39 +00:00
Chris Lattner 6847866400 Finegrainify namespacification 
llvm-svn: 15381
 2004-08-01 03:55:39 +00:00
Chris Lattner 577fc3f576 Implement test/Regression/TableGen/ListSlices.td 
llvm-svn: 15249
 2004-07-27 01:01:21 +00:00
Chris Lattner 8bf9e06ddd Add initial support for list slices. This currently allows you to do stuff 
like this:

def B {
  list<int> X = [10, 20, 30, 4, 1, 1231, 20] [2-4,2,2,0-6];
}

... which isn't particularly useful, but more is to come.

llvm-svn: 15247
 2004-07-26 23:21:34 +00:00
Misha Brukman 6752fb58b6 Handle shifts >= 32 bits. 
llvm-svn: 14291
 2004-06-21 18:01:47 +00:00
Chris Lattner d959ab9208 Assert instead of going into an infinite loop! 
llvm-svn: 11946
 2004-02-28 16:31:53 +00:00
Brian Gaeke 960707c335 Put all LLVM code into the llvm namespace, as per bug 109. 
llvm-svn: 9903
 2003-11-11 22:41:34 +00:00
John Criswell d3032037f1 Added LLVM copyright header. 
llvm-svn: 9305
 2003-10-20 20:20:30 +00:00
Chris Lattner f5bd1b7a8e Move support/tools/* back into utils 
llvm-svn: 8875
 2003-10-05 19:27:59 +00:00