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58 Commits

Author SHA1 Message Date
Nate Begeman
294a0a103d Add support for target DAG nodes that take 4 operands, such as PowerPC's 
rlwinm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22856 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 07:30:15 +00:00
Nate Begeman
0f66a91721 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22844 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 23:44:54 +00:00
Jim Laskey
58b968be85 Move the code dependency for MathExtras.h from SelectionDAGNodes.h. 
Added some class dividers in SelectionDAG.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22841 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 20:08:02 +00:00
Jim Laskey
cb6682fa44 Culling out use of unions for converting FP to bits and vice versa. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22838 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 19:34:49 +00:00
Chris Lattner
8c3484c518 Make removeUser more efficient, add a matching addUser. 
Fix the setOperands methods I added to update use/def information correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22832 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 18:58:38 +00:00
Chris Lattner
b467f8af41 make sure to remove a node from the use list of its operands when we replace 
it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22820 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 01:54:00 +00:00
Chris Lattner
056f9f61d0 add some helper methods, and a new TargetConstant node, which is not 
subjected to folding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22812 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 00:33:30 +00:00
Chris Lattner
d5d0f9bd20 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. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22806 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 21:55:35 +00:00
Nate Begeman
7cbd525ba8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22805 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 19:49:35 +00:00
Chris Lattner
efe5869405 allow passing a dag into getOperationName and dump 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22803 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 18:32:18 +00:00
Chris Lattner
1b95095857 add some methods for dag->dag isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22800 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 18:16:24 +00:00
Nate Begeman
9373a81e53 Add new node, SELECT_CC. This node is for targets that don't natively 
implement SELECT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22755 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-10 20:51:12 +00:00
Chris Lattner
7cf7e3f33f 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...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22728 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-09 20:20:18 +00:00
Jeff Cohen
9eb59ec548 Eliminate tabs and trailing spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22520 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 05:53:44 +00:00
Chris Lattner
5f056bf4b8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22367 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-10 01:55:33 +00:00
Chris Lattner
f7db8c69a1 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22365 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-10 00:28:25 +00:00
Chris Lattner
15e4b01920 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22364 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-10 00:07:11 +00:00
Chris Lattner
50f5a51f41 add accessors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22007 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-14 06:19:11 +00:00
Chris Lattner
4c1eae9fb3 add TAILCALL node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21956 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 18:40:17 +00:00
Chris Lattner
16cd04d26c rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21915 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 23:24:06 +00:00
Chris Lattner
73b35371bf new method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21869 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 18:56:45 +00:00
Chris Lattner
21074f43ed Add READPORT, WRITEPORT, READIO, WRITEIO nodes, wrap long lines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21823 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 20:21:27 +00:00
Andrew Lenharth
691ef2ba06 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21676 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-03 17:19:30 +00:00
Chris Lattner
7f64464ff1 Add FSQRT, FSIN, FCOS nodes, patch contributed by Morten Ofstad 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21605 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-28 21:44:03 +00:00
Andrew Lenharth
2d86ea21dd 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21599 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-27 20:10:01 +00:00
Misha Brukman
ea61c35872 Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21409 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-21 20:39:54 +00:00
Chris Lattner
ea57610689 Remove the ZERO_EXTEND_INREG node which is redundant with AND 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21263 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-13 02:36:41 +00:00
Chris Lattner
1df633821b Add a new node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21162 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-09 03:21:50 +00:00
Chris Lattner
2bffad3eeb fix this method for 64-bit constants 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21158 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-08 21:31:29 +00:00
Chris Lattner
bede0b7dd7 document these nodes, as they are nonobvious 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21108 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-06 04:21:29 +00:00
Nate Begeman
1867054643 Add MULHU and MULHS nodes for the high part of an (un)signed 32x32=64b 
multiply.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21102 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-05 22:36:56 +00:00
Chris Lattner
7366fd3972 Add two happy new nodes for FABS and FNEG 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21007 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-02 04:58:28 +00:00
Chris Lattner
6b8f2d649c fix a comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21003 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-02 03:59:45 +00:00
Chris Lattner
14c5b53c03 add some new nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21000 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-02 03:30:33 +00:00
Nate Begeman
fc1b1dad88 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20988 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 22:34:39 +00:00
Misha Brukman
e3f570c3f9 Fix spelling of `corresponds' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20966 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 21:30:35 +00:00
Andrew Lenharth
95762124a1 PCMarker support for DAG and Alpha 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20965 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 21:24:06 +00:00
Chris Lattner
0442fbfadb Keep track of node depth for each node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19732 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-21 21:39:38 +00:00
Chris Lattner
5880b9fa3e Eliminate the unimplemented ADDC/SUBB operations, add ADD_PARTS/SUB_PARTS instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19713 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-20 18:50:39 +00:00
Chris Lattner
30c0fc23c5 Allow setcc operations to have non-bool types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19655 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-18 02:51:41 +00:00
Chris Lattner
7ece380440 Add methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19627 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-17 02:24:59 +00:00
Chris Lattner
859157daee Add new SIGN_EXTEND_INREG, ZERO_EXTEND_INREG, and FP_ROUND_INREG operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19568 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-15 06:17:04 +00:00
Chris Lattner
60e4878f94 Change CopyFromReg to take and produce a chain node, allowing it to be used 
with physregs that are not live across the entire block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19560 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 22:37:20 +00:00
Chris Lattner
1cff05c7c2 Start adding some new operators, give IMPLICIT_DEF a chain operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19558 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-14 22:07:46 +00:00
Chris Lattner
a44f4aeca7 Add a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19538 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 22:58:50 +00:00
Chris Lattner
18c2f13e0f Add new ImplicitDef node, rename CopyRegSDNode class to RegSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19535 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 20:50:02 +00:00
Chris Lattner
8a496fcffd Add a new node type, add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19525 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-13 17:58:35 +00:00
Chris Lattner
b18a2f816c New method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19516 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 18:37:33 +00:00
Chris Lattner
9ffdfb6bae Update comments to indicate CopyFrom/ToReg take physregs as well as vregs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19514 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-12 18:11:36 +00:00
Chris Lattner
ef36aa75d7 Add MEMSET/MEMCPY/MEMMOVE operations. Fix a really bad bug in the vector 
SDNode ctor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19462 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-01-11 05:56:17 +00:00