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80 Commits

Author SHA1 Message Date
Christopher Lamb 0592cf7e74 Allow ComplexExpressions in InstrInfo.td files to be slightly more... complex! ComplexExpressions can now have attributes which affect how TableGen interprets 
the pattern when generating matchin code. 

The first (and currently, only) attribute causes the immediate parent node of the ComplexPattern operand to be passed into the matching code rather than the node at the root of the entire DAG containing the pattern.

llvm-svn: 46606
 2008-01-31 07:27:46 +00:00
Chris Lattner 42c63ef96e start inferring 'no side effects'. 
llvm-svn: 45822
 2008-01-10 05:39:30 +00:00
Chris Lattner 1ca2068227 realize that instructions who match intrinsics that read memory read memory. 
Also, instructions with any nodes that are SDNPMayLoad also read memory.

llvm-svn: 45817
 2008-01-10 04:38:57 +00:00
Chris Lattner a348f55ec6 Change the 'isStore' inferrer to look for 'SDNPMayStore' 
instead of "ISD::STORE".  This allows us to mark target-specific dag
nodes as storing (such as ppc byteswap stores).  This allows us to remove
more explicit isStore flags from the .td files.

Finally, add a warning for when a .td file contains an explicit 
isStore and tblgen is able to infer it.

llvm-svn: 45654
 2008-01-06 06:44:58 +00:00
Chris Lattner 8cab021ca2 change getQualifiedName to be a global function. 
Split the pattern parsing code out from the dag isel emitter into it's own file.

No functionality change.

llvm-svn: 45632
 2008-01-05 22:25:12 +00:00
Chris Lattner 8adcd9f32e remove attributions from utils. 
llvm-svn: 45419
 2007-12-29 20:37:13 +00:00
Dan Gohman 10835d9c67 Eliminate an unused parameter. 
llvm-svn: 39828
 2007-07-13 20:16:50 +00:00
Dan Gohman a23ef8a8f2 Remove the operator<< for MVT::ValueType in preparation for MVT::ValueType 
being changed from an enum to an integer type, which can't have a custom
operator<< overload.

llvm-svn: 37412
 2007-06-04 16:11:03 +00:00
Evan Cheng 2022c79d7f Added properties such as SDNPHasChain to ComplexPattern. 
llvm-svn: 30890
 2006-10-11 21:02:01 +00:00
Evan Cheng fe72285033 Don't generate getCalleeSaveReg and getCalleeSaveRegClasses anymore. 
llvm-svn: 28376
 2006-05-18 00:08:46 +00:00
Evan Cheng f5ef47fe74 Remove PointerType from target definition. Use abstract type MVT::iPTR to 
represent pointer type.

llvm-svn: 28363
 2006-05-17 20:37:59 +00:00
Evan Cheng d985d66781 Allow patterns to refer to physical registers that belong to multiple 
register classes.

llvm-svn: 28323
 2006-05-16 07:05:30 +00:00
Chris Lattner c92f688ef3 Add support for decoding iPTR to the right pointer type. 
llvm-svn: 27188
 2006-03-27 22:48:18 +00:00
Chris Lattner 543fe4b6aa PHI and INLINEASM are now builtin instructions provided by Target.td 
llvm-svn: 25673
 2006-01-27 01:45:06 +00:00
Evan Cheng c9a620060b * Added an explicit type field to ComplexPattern. 
* Renamed MatchingNodes to RootNodes.

llvm-svn: 24636
 2005-12-08 02:14:08 +00:00
Evan Cheng 9b9567bfb5 Added support for ComplexPattern. These are patterns that require C++ pattern 
matching code that is not currently auto-generated by tblgen, e.g. X86
addressing mode. Selection routines for complex patterns can return multiple operands, e.g. X86 addressing mode returns 4.

llvm-svn: 24634
 2005-12-08 02:00:36 +00:00
Chris Lattner 3717b4c830 Add some methods 
llvm-svn: 24596
 2005-12-05 02:35:08 +00:00
Nate Begeman cdf2c67888 Stop checking the ValueType of the CodeGenInstruction. Instead, use the 
ValueType from the RegisterClass or Operands.  This step is necessary to
allow RegisterClasses to have multiple ValueTypes.

llvm-svn: 24555
 2005-12-01 00:06:14 +00:00
Chris Lattner fcffc98b05 add an accessor 
llvm-svn: 23349
 2005-09-14 18:02:53 +00:00
Chris Lattner cee994b464 Compute the value types that are natively supported by a target. 
llvm-svn: 23282
 2005-09-08 21:43:21 +00:00
Misha Brukman 650ba8eb56 Remove trailing whitespace 
llvm-svn: 21428
 2005-04-22 00:00:37 +00:00
Chris Lattner 945e8655dd Refactor code for numbering instructions into CodeGenTarget. 
llvm-svn: 19758
 2005-01-22 18:58:51 +00:00
Chris Lattner 7dfc2d29ac Convert 'struct' to 'class' in various places to adhere to the coding standards 
and work better with VC++.  Patch contributed by Morten Ofstad!

llvm-svn: 17281
 2004-10-27 16:14:51 +00:00
Misha Brukman 243ded5e1a * Add option to read isLittleEndianEncoding for InstrInfo classes 
* Doxygen-ify some function comments

llvm-svn: 16974
 2004-10-14 05:50:43 +00:00
Chris Lattner 2a86fab933 Start parsing register classes into a more structured form 
llvm-svn: 15961
 2004-08-21 04:05:00 +00:00
Chris Lattner 8af61ddb96 Use CodeGenRegister class to make reading in of register information more 
systematic.

llvm-svn: 15805
 2004-08-16 01:10:21 +00:00
Chris Lattner 6ffa501d9f Make the AsmWriter a first-class tblgen object. Allow targets to specify 
name of the generated asmwriter class, and the name of the format string.

llvm-svn: 15747
 2004-08-14 22:50:53 +00:00
Chris Lattner 5572682faa Parse the operand list of the instruction. We currently support register and immediate operands. 
llvm-svn: 15390
 2004-08-01 07:42:39 +00:00
Chris Lattner c860ecafe1 Add, and start using, the CodeGenInstruction class. This class represents 
an instance of the Instruction tablegen class.

llvm-svn: 15385
 2004-08-01 05:04:00 +00:00
Chris Lattner fce9603387 Rename CodeGenWrappers.(cpp|h) -> CodeGenTarget.(cpp|h) 
llvm-svn: 15382
 2004-08-01 04:04:35 +00:00