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88 Commits

Author SHA1 Message Date
Nate Begeman
c29fac7fce First part of bug 680: 
Remove TLI.LowerVA* and replace it with SDNodes that are lowered the same
way as everything else.

llvm-svn: 25606
 2006-01-25 18:21:52 +00:00
Andrew Lenharth
35efa9c2d9 another couple selects 
llvm-svn: 25551
 2006-01-23 21:51:14 +00:00
Andrew Lenharth
28a8d211f6 another selectto 
llvm-svn: 25548
 2006-01-23 20:59:12 +00:00
Evan Cheng
3a7f44a3b6 Yet another getTargetNode() variant. I promise one of these days I'll fix 
tblgen so this is unnecessary.

llvm-svn: 25380
 2006-01-17 00:32:38 +00:00
Evan Cheng
7a32c047d9 New getNode() variants. 
llvm-svn: 25156
 2006-01-09 18:29:18 +00:00
Jim Laskey
61138e28ff Applied some recommend changes from sabre. The dominate one beginning "let the 
pass manager do it's thing."  Fixes crash when compiling -g files and suppresses
dwarf statements if no debug info is present.

llvm-svn: 25100
 2006-01-04 22:28:25 +00:00
Chris Lattner
0b240343df remove a dead node 
llvm-svn: 24966
 2005-12-22 21:16:35 +00:00
Duraid Madina
a83ab290ec i need to do this to take over the earth 
when I take over the earth, sabre will be happy because i'll stop asking
him silly questions!!!!!!

llvm-svn: 24949
 2005-12-22 07:02:51 +00:00
Chris Lattner
5d042179e6 Add an accessor 
llvm-svn: 24831
 2005-12-18 21:00:53 +00:00
Evan Cheng
be5a63c601 Yet another variant of getTargetNode(). 
llvm-svn: 24758
 2005-12-17 01:44:51 +00:00
Evan Cheng
0b7a482921 Added new getNode and getTargetNode variants for X86 stores. 
llvm-svn: 24653
 2005-12-10 00:37:58 +00:00
Evan Cheng
6610545b7e Added patterns for ADD8rm, etc. These fold load operands. e.g. addb 4(%esp), %al 
llvm-svn: 24648
 2005-12-09 22:48:48 +00:00
Evan Cheng
d11d31e0bd 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
Evan Cheng
9c3508e1ab Teach tblgen to accept register source operands in patterns, e.g. 
def SHL8rCL  : I<0xD2, MRM4r, (ops R8 :$dst, R8 :$src),
                 "shl{b} {%cl, $dst|$dst, %CL}",
                 [(set R8:$dst, (shl R8:$src, CL))]>, Imp<[CL],[]>;

This generates a CopyToReg operand and added its 2nd result to the shl as
a flag operand.

llvm-svn: 24557
 2005-12-01 00:18:45 +00:00
Chris Lattner
7bed501258 Make SelectNodeTo return N 
llvm-svn: 24548
 2005-11-30 22:45:14 +00:00
Evan Cheng
08ab45044b Fixed a bug introduced by my last commit: TargetGlobalValues should key on 
GlobalValue * and index pair. Update getGlobalAddress() for symmetry.

llvm-svn: 24524
 2005-11-30 02:49:21 +00:00
Evan Cheng
025dab1137 Added an index field to GlobalAddressSDNode so it can represent X+12, etc. 
llvm-svn: 24523
 2005-11-30 02:04:11 +00:00
Chris Lattner
f9ea6dbf66 Add support for a new STRING and LOCATION node for line number support, patch 
contributed by Daniel Berlin, with a few cleanups here and there by me.

llvm-svn: 24512
 2005-11-29 06:15:39 +00:00
Chris Lattner
e9a33d2505 Add two new construction methods, patch by Evan Cheng 
llvm-svn: 24417
 2005-11-19 01:42:10 +00:00
Nate Begeman
7d513f65ae Teach LLVM how to scalarize packed types. Currently, this only works on 
packed types with an element count of 1, although more generic support is
coming.  This allows LLVM to turn the following code:

void %foo(<1 x float> * %a) {
entry:
  %tmp1 = load <1 x float> * %a;
  %tmp2 = add <1 x float> %tmp1, %tmp1
  store <1 x float> %tmp2, <1 x float> *%a
  ret void
}

Into:

_foo:
        lfs f0, 0(r3)
        fadds f0, f0, f0
        stfs f0, 0(r3)
        blr

llvm-svn: 24416
 2005-11-19 00:36:38 +00:00
Chris Lattner
ce6f7839fe Switch the allnodes list from a vector of pointers to an ilist of nodes. 
This eliminates the vector, allows constant time removal of a node from
a graph, and makes iteration over the all nodes list stable when adding
nodes to the graph.

llvm-svn: 24262
 2005-11-09 23:46:43 +00:00
Chris Lattner
e1cf681dee Change the ValueList array for each node to be shared instead of individually 
allocated.  Further, in the common case where a node has a single value, just
reference an element from a small array.  This is a small compile-time wi.

llvm-svn: 24250
 2005-11-08 23:30:11 +00:00
Chris Lattner
32dee7201b adjust itf 
llvm-svn: 24242
 2005-11-08 18:52:57 +00:00
Chris Lattner
4ab26b20b7 Add a method 
llvm-svn: 23989
 2005-10-25 21:02:21 +00:00
Andrew Lenharth
9fad56d2d2 add TargetExternalSymbol 
llvm-svn: 23886
 2005-10-23 03:40:17 +00:00
Nate Begeman
b49e7aa166 SimplifySelectCC is dead 
llvm-svn: 23705
 2005-10-13 03:10:46 +00:00
Jim Laskey
1c928ba21a Added allnodes_size for scheduling support. 
llvm-svn: 23567
 2005-09-30 19:27:01 +00:00
Chris Lattner
b68c833b48 Add a new argument to ReplaceAllUsesWith to keep track of nodes deleted by 
this method

llvm-svn: 23254
 2005-09-07 05:36:18 +00:00
Chris Lattner
7862cff120 add a map for nullary ops 
llvm-svn: 23223
 2005-09-02 19:35:42 +00:00
Nate Begeman
be2fa8f86f First pass at the DAG Combiner. It isn't used anywhere yet, but it should 
be mostly functional.  It currently has all folds from SelectionDAG.cpp
that do not involve a condition code.

llvm-svn: 23184
 2005-09-01 00:19:25 +00:00
Chris Lattner
b06ce2e026 Allow physregs to occur in the dag with multiple types. Though I don't like 
this, it is a requirement on PPC, which can have an f32 value in r3 at one
point in a function and a f64 value in r3 at another point.  :(

llvm-svn: 23160
 2005-08-30 22:38:05 +00:00
Chris Lattner
d6753aa388 add some method variants 
llvm-svn: 23142
 2005-08-30 01:56:13 +00:00
Chris Lattner
05f6bb1b68 Add a new API for nate 
llvm-svn: 23132
 2005-08-29 22:00:00 +00:00
Chris Lattner
25b6e62a46 Add a new version of ReplaceAllUsesWith, make the comments more useful. 
llvm-svn: 23086
 2005-08-26 18:35:58 +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
929c00e9e9 Fix a huge annoyance: SelectNodeTo took types before the opcode unlike 
every other SD API.  Fix it to take the opcode before the types.

llvm-svn: 23079
 2005-08-26 16:36:26 +00:00
Chris Lattner
70cc927742 add a method 
llvm-svn: 23049
 2005-08-25 17:24:09 +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
22c6c99e5d add a method 
llvm-svn: 23027
 2005-08-24 23:00:29 +00:00
Chris Lattner
79191b194f add two new methods 
llvm-svn: 23024
 2005-08-24 22:43:53 +00:00
Chris Lattner
a51be5a84c add a method 
llvm-svn: 22958
 2005-08-21 22:30:42 +00:00
Chris Lattner
5c82be2ffc ADd a method 
llvm-svn: 22954
 2005-08-21 19:48:53 +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
0966f7d0b9 Add support for target nodes with more than 3 operands, required by ppc 
llvm-svn: 22894
 2005-08-19 00:56:28 +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
Chris Lattner
14518a342f add ReplaceAllUsesWith, and a helper to implemented it 
llvm-svn: 22833
 2005-08-17 18:59:17 +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