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469 Commits

Author SHA1 Message Date
Chris Lattner
bc5ae03dea add a helper class 
llvm-svn: 23633
 2005-10-05 06:34:34 +00:00
Chris Lattner
9a2fb006e4 Add FP versions of the binary operators, keeping the int and fp worlds seperate. 
llvm-svn: 23506
 2005-09-28 22:29:58 +00:00
Chris Lattner
a0ac88861d Add a new ANY_EXTEND node, which operates like an extension but has undefined 
top bits.

llvm-svn: 23200
 2005-09-02 00:14:40 +00:00
Nate Begeman
f279937fd9 Add AssertSext, AssertZext nodes for targets that pass arguments in 
registers, and the incoming values have already been zero or sign extended
from the appopriate type to the register width.

llvm-svn: 23146
 2005-08-30 02:39:32 +00:00
Chris Lattner
1a17dba9d1 improve comment 
llvm-svn: 23134
 2005-08-29 22:48:32 +00:00
Reid Spencer
71966308fc Fix a typo. 
llvm-svn: 23117
 2005-08-27 19:06:05 +00:00
Chris Lattner
a31708e6b3 Change ConstantPoolSDNode to actually hold the Constant itself instead of 
putting it into the constant pool.  This allows the isel machinery to
create constants that it will end up deciding are not needed, without them
ending up in the resultant function constant pool.

llvm-svn: 23081
 2005-08-26 17:15:30 +00:00
Chris Lattner
70cb011425 Add support for TargetConstantPool node 
llvm-svn: 23040
 2005-08-25 05:02:41 +00:00
Chris Lattner
813f6ddaf8 add a new TargetFrameIndex node 
llvm-svn: 23035
 2005-08-25 00:43:01 +00:00
Chris Lattner
d76cf28d13 Add 5-operand version of SelectNodeTo 
llvm-svn: 22950
 2005-08-21 18:49:58 +00:00
Chris Lattner
0c4565bf91 ADd support for TargetGlobalAddress nodes 
llvm-svn: 22939
 2005-08-19 22:31:34 +00:00
Nate Begeman
474ec3c02d Add support for target DAG nodes that take 4 operands, such as PowerPC's 
rlwinm.

llvm-svn: 22856
 2005-08-18 07:30:15 +00:00
Nate Begeman
50efb750b6 Add two new methods isTargetOpcode() which returns true if the node type 
is greater than the range of building selection dag node types, and
getTargetOpcode(), which returns the node opcode less the value of
isd::builtin_op_end, which specifies the end of the builtin types.

llvm-svn: 22844
 2005-08-17 23:44:54 +00:00
Jim Laskey
d761e8859d Move the code dependency for MathExtras.h from SelectionDAGNodes.h. 
Added some class dividers in SelectionDAG.cpp.

llvm-svn: 22841
 2005-08-17 20:08:02 +00:00
Jim Laskey
61e3d7bca5 Culling out use of unions for converting FP to bits and vice versa. 
llvm-svn: 22838
 2005-08-17 19:34:49 +00:00
Chris Lattner
1e93590d9f Make removeUser more efficient, add a matching addUser. 
Fix the setOperands methods I added to update use/def information correctly.

llvm-svn: 22832
 2005-08-17 18:58:38 +00:00
Chris Lattner
dd99fbadb7 make sure to remove a node from the use list of its operands when we replace 
it.

llvm-svn: 22820
 2005-08-17 01:54:00 +00:00
Chris Lattner
3895acdb6a add some helper methods, and a new TargetConstant node, which is not 
subjected to folding.

llvm-svn: 22812
 2005-08-17 00:33:30 +00:00
Chris Lattner
3b7e157005 Eliminate the RegSDNode class, which 3 nodes (CopyFromReg/CopyToReg/ImplicitDef) 
used to tack a register number onto the node.

Instead of doing this, make a new node, RegisterSDNode, which is a leaf
containing a register number.  These three operations just become normal
DAG nodes now, instead of requiring special handling.

Note that with this change, it is no longer correct to make illegal
CopyFromReg/CopyToReg nodes.  The legalizer will not touch them, and this
is bad, so don't do it. :)

llvm-svn: 22806
 2005-08-16 21:55:35 +00:00
Nate Begeman
f6b6378f23 Implement BR_CC and BRTWOWAY_CC. This allows the removal of a rather nasty 
fixme from the PowerPC backend.  Emit slightly better code for legalizing
select_cc.

llvm-svn: 22805
 2005-08-16 19:49:35 +00:00
Chris Lattner
c93a92c951 allow passing a dag into getOperationName and dump 
llvm-svn: 22803
 2005-08-16 18:32:18 +00:00
Chris Lattner
0b9933e14b add some methods for dag->dag isel 
llvm-svn: 22800
 2005-08-16 18:16:24 +00:00
Nate Begeman
eddc9d4856 Add new node, SELECT_CC. This node is for targets that don't natively 
implement SELECT.

llvm-svn: 22755
 2005-08-10 20:51:12 +00:00
Chris Lattner
0fa4402b59 Eliminate the SetCCSDNode in favor of a CondCodeSDNode class. This pulls the 
CC out of the SetCC operation, making SETCC a standard ternary operation and
CC's a standard DAG leaf.  This will make it possible for other node to use
CC's as operands in the future...

llvm-svn: 22728
 2005-08-09 20:20:18 +00:00
Jeff Cohen
81980781a1 Eliminate tabs and trailing spaces. 
llvm-svn: 22520
 2005-07-27 05:53:44 +00:00
Chris Lattner
6e49696ba6 Change *EXTLOAD to use an VTSDNode operand instead of being an MVTSDNode. 
This is the last MVTSDNode.

This allows us to eliminate a bunch of special case code for handling
MVTSDNodes.

llvm-svn: 22367
 2005-07-10 01:55:33 +00:00
Chris Lattner
a966d80ab8 Move TRUNCSTORE to using a VTSDNode operand instead of being a MVTSDNode. 
Also update some comments that Andrew forgot to update when he changed
loads/stores.

llvm-svn: 22365
 2005-07-10 00:28:25 +00:00
Chris Lattner
c355896290 Introduce a new VTSDNode class with the ultimate goal of eliminating the 
MVTSDNode class.  This class is used to provide an operand to operators
that require an extra type.  We start by converting FP_ROUND_INREG and
SIGN_EXTEND_INREG over to using it.

llvm-svn: 22364
 2005-07-10 00:07:11 +00:00
Chris Lattner
3afe2d8d83 add accessors 
llvm-svn: 22007
 2005-05-14 06:19:11 +00:00
Chris Lattner
97505aa9ac add TAILCALL node 
llvm-svn: 21956
 2005-05-13 18:40:17 +00:00
Chris Lattner
094bbfcebb rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN. 
llvm-svn: 21915
 2005-05-12 23:24:06 +00:00
Chris Lattner
328273326d new method 
llvm-svn: 21869
 2005-05-11 18:56:45 +00:00
Chris Lattner
9aedca57b1 Add READPORT, WRITEPORT, READIO, WRITEIO nodes, wrap long lines 
llvm-svn: 21823
 2005-05-09 20:21:27 +00:00
Andrew Lenharth
8b64bd0fd5 Implement count leading zeros (ctlz), count trailing zeros (cttz), and count 
population (ctpop).  Generic lowering is implemented, however only promotion
is implemented for SelectionDAG at the moment.

More coming soon.

llvm-svn: 21676
 2005-05-03 17:19:30 +00:00
Chris Lattner
4678a790e6 Add FSQRT, FSIN, FCOS nodes, patch contributed by Morten Ofstad 
llvm-svn: 21605
 2005-04-28 21:44:03 +00:00
Andrew Lenharth
2a00530fa7 Implement Value* tracking for loads and stores in the selection DAG. This enables one to use alias analysis in the backends. 
(TRUNK)Stores and (EXT|ZEXT|SEXT)Loads have an extra SDOperand which is a SrcValueSDNode which contains the Value*.  Note that if the operation is introduced by the backend, it will still have the operand, but the value* will be null.

llvm-svn: 21599
 2005-04-27 20:10:01 +00:00
Misha Brukman
4ad5efd1a9 Remove trailing whitespace 
llvm-svn: 21409
 2005-04-21 20:39:54 +00:00
Chris Lattner
f5fe51581b Remove the ZERO_EXTEND_INREG node which is redundant with AND 
llvm-svn: 21263
 2005-04-13 02:36:41 +00:00
Chris Lattner
b0e6e4b693 Add a new node 
llvm-svn: 21162
 2005-04-09 03:21:50 +00:00
Chris Lattner
6c466448d3 fix this method for 64-bit constants 
llvm-svn: 21158
 2005-04-08 21:31:29 +00:00
Chris Lattner
4201b81130 document these nodes, as they are nonobvious 
llvm-svn: 21108
 2005-04-06 04:21:29 +00:00
Nate Begeman
12af81407b Add MULHU and MULHS nodes for the high part of an (un)signed 32x32=64b 
multiply.

llvm-svn: 21102
 2005-04-05 22:36:56 +00:00
Chris Lattner
e74fa510c9 Add two happy new nodes for FABS and FNEG 
llvm-svn: 21007
 2005-04-02 04:58:28 +00:00
Chris Lattner
92920b74a0 fix a comment 
llvm-svn: 21003
 2005-04-02 03:59:45 +00:00
Chris Lattner
37abadec02 add some new nodes. 
llvm-svn: 21000
 2005-04-02 03:30:33 +00:00
Nate Begeman
4034852ba9 Add ISD::UNDEF node 
Teach the SelectionDAG code how to expand and promote it
Have PPC32 LowerCallTo generate ISD::UNDEF for int arg regs used up by fp
  arguments, but not shadowing their value.  This allows us to do the right
  thing with both fixed and vararg floating point arguments.

llvm-svn: 20988
 2005-04-01 22:34:39 +00:00
Misha Brukman
b5dc9aae6c Fix spelling of `corresponds' 
llvm-svn: 20966
 2005-03-31 21:30:35 +00:00
Andrew Lenharth
7db3834ecf PCMarker support for DAG and Alpha 
llvm-svn: 20965
 2005-03-31 21:24:06 +00:00
Chris Lattner
9ee3bbc844 Keep track of node depth for each node 
llvm-svn: 19732
 2005-01-21 21:39:38 +00:00
Chris Lattner
8e17ad37f2 Eliminate the unimplemented ADDC/SUBB operations, add ADD_PARTS/SUB_PARTS instead. 
llvm-svn: 19713
 2005-01-20 18:50:39 +00:00