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38 Commits

Author SHA1 Message Date
Dan Gohman
ee4fa1977d Move instruction flag inference out of InstrInfoEmitter and into 
CodeGenDAGPatterns, where it can be used in other tablegen backends.
This allows the inference to be done for DAGISelEmitter so that it
gets accurate mayLoad/mayStore/isSimpleLoad flags. 

This brings MemOperand functionality back to where it was before
48329. However, it doesn't solve the problem of anonymous patterns
which expand to code that does loads or stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49123 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-03 00:02:49 +00:00
Christopher Lamb
8535624739 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46606 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-31 07:27:46 +00:00
Chris Lattner
bc0b9f70ae start inferring 'no side effects'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45822 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 05:39:30 +00:00
Chris Lattner
710e995889 realize that instructions who match intrinsics that read memory read memory. 
Also, instructions with any nodes that are SDNPMayLoad also read memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45817 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 04:38:57 +00:00
Chris Lattner
c8478d8b12 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45654 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-06 06:44:58 +00:00
Chris Lattner
6cefb77a70 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45632 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-05 22:25:12 +00:00
Chris Lattner
3060910e29 remove attributions from utils. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45419 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:37:13 +00:00
Dan Gohman
3bf6e183d5 Eliminate an unused parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39828 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-13 20:16:50 +00:00
Dan Gohman
b9daee9ece 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37412 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-04 16:11:03 +00:00
Evan Cheng
94b3040fef Added properties such as SDNPHasChain to ComplexPattern. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30890 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-11 21:02:01 +00:00
Evan Cheng
764811f145 Don't generate getCalleeSaveReg and getCalleeSaveRegClasses anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28376 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-18 00:08:46 +00:00
Evan Cheng
2618d07765 Remove PointerType from target definition. Use abstract type MVT::iPTR to 
represent pointer type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28363 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-17 20:37:59 +00:00
Evan Cheng
44a65fa552 Allow patterns to refer to physical registers that belong to multiple 
register classes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28323 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-16 07:05:30 +00:00
Chris Lattner
8850a1bcef Add support for decoding iPTR to the right pointer type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27188 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-27 22:48:18 +00:00
Chris Lattner
aa77d77a43 PHI and INLINEASM are now builtin instructions provided by Target.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25673 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 01:45:06 +00:00
Evan Cheng
3aa39f439a * Added an explicit type field to ComplexPattern. 
* Renamed MatchingNodes to RootNodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24636 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-08 02:14:08 +00:00
Evan Cheng
0fc7198890 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24634 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-08 02:00:36 +00:00
Chris Lattner
5c4736a3da Add some methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24596 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-05 02:35:08 +00:00
Nate Begeman
ddb395463c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24555 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-01 00:06:14 +00:00
Chris Lattner
a974b20cae add an accessor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23349 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-14 18:02:53 +00:00
Chris Lattner
e9f4ba8dd4 Compute the value types that are natively supported by a target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23282 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-08 21:43:21 +00:00
Misha Brukman
3da94aec4d Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21428 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-22 00:00:37 +00:00
Chris Lattner
d648867173 Refactor code for numbering instructions into CodeGenTarget. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19758 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-22 18:58:51 +00:00
Chris Lattner
1fca5ff62b Convert 'struct' to 'class' in various places to adhere to the coding standards 
and work better with VC++.  Patch contributed by Morten Ofstad!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17281 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-27 16:14:51 +00:00
Misha Brukman
35e83cc970 * Add option to read isLittleEndianEncoding for InstrInfo classes 
* Doxygen-ify some function comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16974 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 05:50:43 +00:00
Chris Lattner
056afeface Start parsing register classes into a more structured form 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15961 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-21 04:05:00 +00:00
Chris Lattner
2669311320 Use CodeGenRegister class to make reading in of register information more 
systematic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15805 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-16 01:10:21 +00:00
Chris Lattner
175580c0f3 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15747 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-14 22:50:53 +00:00
Chris Lattner
87c5905e0b Parse the operand list of the instruction. We currently support register and immediate operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15390 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-01 07:42:39 +00:00
Chris Lattner
ec3524064c Add, and start using, the CodeGenInstruction class. This class represents 
an instance of the Instruction tablegen class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15385 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-01 05:04:00 +00:00
Chris Lattner
803a5f6ecb Rename CodeGenWrappers.(cpp|h) -> CodeGenTarget.(cpp|h) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15382 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-08-01 04:04:35 +00:00
Brian Gaeke
d0fde30ce8 Put all LLVM code into the llvm namespace, as per bug 109. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-11-11 22:41:34 +00:00
John Criswell
01d45827a1 Added LLVM copyright header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9305 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-10-20 20:20:30 +00:00
Misha Brukman
6ad9076554 Using std::string requires `#include <string>', says gcc-2.95.3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7833 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-13 22:27:15 +00:00
Chris Lattner
b72fb7ef75 Add new function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7706 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-10 19:50:32 +00:00
Chris Lattner
d3464c19a8 Add new method to get a value type as a string 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7698 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-07 23:15:21 +00:00
Chris Lattner
54c66feed9 Allow clients to get at the pointer type 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7670 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-07 06:01:44 +00:00
Chris Lattner
4587207967 Initial checkin of useful wrappers around the Target classes, for now, only ValueType and 
Target are wrapped


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7665 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-07 05:38:11 +00:00