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0c0cfa741f
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705 Commits

Author SHA1 Message Date
Chris Lattner
0c0cfa741f Nate wants to define 'Pat's which turn into instructions that don't have 
patterns.  Certainly a logical request.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23810 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-19 01:27:22 +00:00
Chris Lattner
b277cbc087 Duraid pointed out that it is impolite to emit PPC:: into the IA64 backend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23780 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-18 04:41:01 +00:00
Chris Lattner
5024d93c8b Make the generated code significantly more memory efficient, by using 
SelectNodeTo instead of getTargetNode when possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23758 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-16 01:41:58 +00:00
Chris Lattner
7e82f1322c Implement the last major missing piece in the DAG isel generator: when emitting 
a pattern match, make sure to emit the (minimal number of) type checks that
verify the pattern matches this specific instruction.  This allows FMA32
patterns to not match double expressions for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23748 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-15 21:34:21 +00:00
Chris Lattner
603d78c9de Now that we have int/fp lattice values, implement the SDTCisOpSmallerThanOp 
type constraint.  This lets tblgen realize that it doesn't need any dynamic
type checks for fextend/fround on PPC (and many other targets), because there
are only two fp types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23730 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 06:25:00 +00:00
Chris Lattner
3c7e18d690 Fairly serious rework of the typing code to add new int/fp lattice values. 
Overall, no functionality change yet though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23729 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 06:12:03 +00:00
Chris Lattner
e0583b1b92 simplify the code a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23728 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 05:08:37 +00:00
Chris Lattner
03ebd802c7 Add basic support for recognizing a new SDTCisOpSmallerThanOp type constraint 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23725 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 04:53:53 +00:00
Chris Lattner
0ee7cff4fb Implement a couple of new (important) features. 
1. If an operation has to be int or fp and the target only supports one
   int or fp type, relize that the op has to have that type.
2. If a target has operations on multiple types, do not emit matching code
   for patterns involving those operators, since we do not emit the code to
   check for them yet.  This prevents PPC from generating FP ops currently.

Also move some code around into more logical places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23724 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 04:11:13 +00:00
Chris Lattner
75ee2eb4e2 Do not let getLegalValueTypes return a list with duplicates in it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23723 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 03:54:49 +00:00
Patrick Meredith
d223f5ee78 Updated to be less restrictive on what is matched 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23712 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-13 17:31:30 +00:00
Chris Lattner
e08fe8d7e5 apparently one of the makefile changes changed libprofile.so to profile.so 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23709 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-13 16:34:24 +00:00
Patrick Meredith
b89dd23b43 This script is used to remove nodes with the label %tmp(.#)* and all 
edges associated with said node from the dot files produced by
DSA.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23708 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-13 16:26:50 +00:00
Chris Lattner
80bec12f96 put the right labels on the data 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23599 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-02 21:51:38 +00:00
Chris Lattner
4b2e5a680f Emit the value type for each register class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23584 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-02 06:23:37 +00:00
Chris Lattner
0f21fd5204 Rename MRegisterDesc -> TargetRegisterDesc for consistency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23564 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 17:49:27 +00:00
Chris Lattner
22842105de remove some more initializers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23562 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 17:41:05 +00:00
Chris Lattner
2f02ed9a1f trim down the target info structs now that we have a preferred spill register class for each callee save register 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23560 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 17:35:22 +00:00
Chris Lattner
4794797f12 Compute a preferred spill register class for each callee-save register 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23553 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 06:44:45 +00:00
Chris Lattner
88b7e6e304 Fix a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23550 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 06:09:50 +00:00
Chris Lattner
946ac939c6 Regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23549 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 04:53:25 +00:00
Chris Lattner
c3bec0e401 Refactor this a bit to move ParsingTemplateArgs to only apply to classes, 
not defs.

Implement support for forward definitions of classes.  This implements
TableGen/ForwardRef.td.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23548 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 04:53:04 +00:00
Chris Lattner
0a28405089 Regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23546 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 04:42:56 +00:00
Chris Lattner
583a0249b6 Generate a parse error instead of a checked exception if template args are 
used on a def.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23545 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 04:42:31 +00:00
Chris Lattner
8d354e901f regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23543 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 04:11:27 +00:00
Chris Lattner
be88b50c01 Refactor the grammar a bit to implement TableGen/ForwardRef.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23542 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 04:10:49 +00:00
Chris Lattner
0d0b73e9f8 allow regs to be in multiple reg classes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23540 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-30 01:33:48 +00:00
Chris Lattner
af302914d1 Teach tablegen to reassociate operators when possible. This allows it to 
find all of teh pattern matches for EQV from one definition


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23529 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-29 22:36:54 +00:00
Chris Lattner
e46e17b7fb Teach tblgen to build permutations of instructions, so that the target author 
doesn't have to specify them manually.  It currently handles associativity,
e.g. knowing that (X*Y)+Z  also matches  X+(Y*Z)  and will be extended in
the future.

It is smart enough to not introduce duplicate patterns or patterns that can
never match.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23526 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-29 19:28:10 +00:00
Chris Lattner
7cf2fe6c48 add support for an associative marker 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23502 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 20:58:06 +00:00
Chris Lattner
e97603f1bd Emit an error if instructions or patterns are defined but can never match. 
Currently we check that immediate values live on the RHS of commutative
operators.  Defining ORI like this, for example:

def ORI   : DForm_4<24, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
                    "ori $dst, $src1, $src2",
                    [(set GPRC:$dst, (or immZExt16:$src2, GPRC:$src1))]>;

results in:

tblgen: In ORI: Instruction can never match: Immediate values must be on the RHS of commutative operators!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23501 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 19:27:25 +00:00
Chris Lattner
a1a68ae061 collect commutativity information 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23499 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 18:28:29 +00:00
Chris Lattner
05814af29f Prefer cheaper patterns to more expensive ones. Print the costs to the generated 
file


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23492 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 17:57:56 +00:00
Chris Lattner
f6f9416363 Select Constant nodes to TargetConstant nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23488 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 16:58:06 +00:00
Chris Lattner
fab3728801 memoize the assert results 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23457 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-26 22:10:24 +00:00
Chris Lattner
3748147aaf Emit the switch stmt cases in alphabetical order instead of pointer order, 
which is not stable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23456 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-26 21:59:35 +00:00
Chris Lattner
6bc7e513d5 implement a fixme: only select values once, even if used multiple times. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23454 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-26 21:53:26 +00:00
Jeff Cohen
a48283baa3 Fix VC++ build errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23431 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-25 19:04:43 +00:00
Chris Lattner
296dfe3b8a memoize translations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23419 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-24 00:50:51 +00:00
Chris Lattner
72fe91c4dd Teach the DAG isel generator to emit code that creates nodes. 
Fix a few corner cases parsing things like (i32 imm:$foo)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23417 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-24 00:40:24 +00:00
Chris Lattner
8fc3568d98 Emit better code (no more copies for var references), and support DAG patterns 
(e.g. things like rotates).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23416 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-23 23:16:51 +00:00
Chris Lattner
547394ca38 Fix a fixme by passing around SDOperand's instead of SDNode*'s 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23415 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-23 21:53:45 +00:00
Chris Lattner
d1ff35a49d Emit code that matches the incoming DAG pattern and checks predicates. 
This does not check that types match yet, but PPC only has one integer type
;-).

This also doesn't have the code to build the resultant dag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23414 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-23 21:33:23 +00:00
Chris Lattner
3f7e91477e emit information about the order patterns are to be matched. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23413 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-23 20:52:47 +00:00
Chris Lattner
813033248c start filling in the switch stmt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23412 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-23 19:36:15 +00:00
Chris Lattner
b9f01eb7bc Fix a minor bug, add comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23370 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-16 00:29:46 +00:00
Chris Lattner
a28aec1da7 teach the type inference code how to infer types for instructions and node 
xforms.  Run type inference on result patterns, so we always have fully typed
results (and to catch errors in .td files).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23369 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-15 22:23:50 +00:00
Chris Lattner
ae5b350b3b put instructions into a map instead of a vector for quick lookup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23368 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-15 21:57:35 +00:00
Chris Lattner
ae6d828de8 when parsing instructions remember information about the types taken and 
returned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23367 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-15 21:51:12 +00:00
Chris Lattner
abbb605d80 Start parsing "Pattern" nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23365 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-15 21:42:00 +00:00