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a34f97ab22
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1654 Commits

Author SHA1 Message Date
Mikhail Glushenkov
a34f97ab22 Correct option forwarding: initial implementation. 
Does not work, but the infrastructure changes are in place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96920 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 09:04:44 +00:00
Mikhail Glushenkov
be6ee7c116 New experimental/undocumented feature: 'works_on_empty'. 
For now, just enough support to make -filelist work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96918 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 09:04:28 +00:00
Mikhail Glushenkov
a04d4ed690 Add a way to enable '-opt=foo' forwarding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96916 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 09:04:13 +00:00
Chris Lattner
ba1cff4450 add some #if 0'd out code for checking that named values in 
input/output patterns have the same type.  It turns out that 
this triggers all the time because we don't infer types 
between these boundaries.  Until we do, don't turn this on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96905 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 07:50:58 +00:00
Chris Lattner
a27234e290 Reject patterns that use a name multiple times in the src or result 
of a pattern and where the uses have different types.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96904 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 07:22:28 +00:00
Chris Lattner
4ac7a0ca8f reject patterns that have dead named arguments in the input pattern 
this is tidier and can find bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96900 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 06:55:24 +00:00
Chris Lattner
967d54ae04 reject patterns that mention a name in the destination pattern 
but not in the input.  Previously, this would trigger an abort
late in the isel logic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96898 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 06:35:45 +00:00
Chris Lattner
25b6f91c54 merge some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96896 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 06:16:51 +00:00
Chris Lattner
53d09bd009 more tidying up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96891 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 05:59:10 +00:00
Chris Lattner
6eb3012b45 reduce indentation by eliminating 'else after return' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 05:51:07 +00:00
Chris Lattner
860d4a787f really fix an off-by-one error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96845 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 01:07:39 +00:00
Chris Lattner
5007e1e435 switch the value# in OPC_CompleteMatch and OPC_EmitNode to use a 
VBR encoding for the insanity being perpetrated by the spu backend. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-23 00:59:59 +00:00
Chris Lattner
3e22f2d489 add a new Push2 opcode for targets (like cellspu) which have 
ridiculously ginormous patterns and need more than one byte
of displacement for encodings.  This fixes CellSPU/fdiv.ll.
SPU is still doing something else ridiculous though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96833 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 23:55:39 +00:00
Chris Lattner
20df2420f7 Change ComplexPattern handling to push the node being matched as 
well as the operands produced when the pattern is matched.  This
allows CheckSame to work correctly when matching replicated 
names involving ComplexPatterns.  This fixes a bunch of MSP430 
failures, we're down to 13 failures, two of which are
due to a sched bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96824 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 23:33:44 +00:00
Chris Lattner
12a667c1e8 add a new CheckMultiOpcode opcode for checking that a node 
has one of the list of acceptable opcodes for a complex 
pattern.  This fixes 4 regtest failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96814 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:30:37 +00:00
Chris Lattner
1f2ed5fe7e When matching patterns that have a complex pattern as their root, make 
sure to only run the complex pattern on nodes where the target opts in.
This patch only handles targets with one opcode specified so far, but
fixes 16 failures, only 34 left.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96813 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-22 22:18:05 +00:00
Chris Lattner
565a6f9480 fix most of the failures in the x86 suite by handling multiple 
result nodes correctly.  Note that this includes a horrible hack
in DAGISelHeader which cannot be fixed reasonably without 
eliminating (parallel) from input patterns.  That, in turn,
can't be done until we support writing multiple result patterns
for the X86and_flag and related multiple-result nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96767 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 23:54:05 +00:00
Chris Lattner
664012bb64 Always emit register class id references as i32 like 
DAGISelEmitter does.  This fixes 11 arm failures (8 
left).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96757 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 20:53:45 +00:00
Chris Lattner
99ce6e8aff Sort the patterns before adding them to the FA so that we get the 
least cost matches.  This gets us from 195 -> 208 passes on the ppc codegen tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96747 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 19:22:06 +00:00
Chris Lattner
8fbad244bd emit table indexes before each row so that it is debuggable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96730 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 07:16:41 +00:00
Chris Lattner
bef2a515f6 fix a table size miscomputation, target opcodes are 2 bytes. 
With this, the matcher actually works reasonably well, but
crashes on larger examples in the scheduler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96727 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 06:44:29 +00:00
Chris Lattner
984e18823e emit to the right streams, to avoid emitting the push 
body before the push.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 06:30:04 +00:00
Chris Lattner
0ab1c5f8f8 oops don't turn this on for everyone yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96725 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 06:03:56 +00:00
Chris Lattner
77f2e2724d implement the last known missing feature: updating uses of results 
of the matched pattern to use the newly created node results.  Onto
the "making it actually work" phase!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96724 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 06:03:07 +00:00
Chris Lattner
8e946bea14 Lots of improvements to the new dagisel emitter. This gets it to 
the point where it is to the 95% feature complete mark, it just
needs result updating to be done (then testing, optimization 
etc).

More specificallly, this adds support for chain and flag handling
on the result nodes, support for sdnodexforms, support for variadic
nodes, memrefs, pinned physreg inputs, and probably lots of other
stuff.

In the old DAGISelEmitter, this deletes the dead code related to
OperatorMap, cleans up a variety of dead stuff handling "implicit
remapping" from things like globaladdr -> targetglobaladdr (which
is no longer used because globaladdr always needs to be legalized),
and some minor formatting fixes.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96716 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-21 03:22:59 +00:00
Chris Lattner
906b4995ee add emitter support for integer constants and simple physreg references. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96663 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 07:49:56 +00:00
Chris Lattner
01a5bee716 fix this to work more determinstically, patch by Thomas Veith! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96661 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 07:02:20 +00:00
Chris Lattner
853b919d93 I confused myself, temporaries will be recorded right along with other inputs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 00:33:13 +00:00
Chris Lattner
c94fa4c759 introduce a new ResultVal and start keeping track of temporary values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96636 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 00:27:40 +00:00
Chris Lattner
845c042734 add support for referencing registers and immediates, 
building the tree to represent them but not emitting 
table entries for them yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96617 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 22:03:03 +00:00
Chris Lattner
b49985a849 start sketching out the structure of code for result emission generation. 
Nothing real here yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 06:47:49 +00:00
Chris Lattner
bd8227f529 rename the child field to 'next'. This is not a parent/child 
relationship, this is a linear list relationship.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96561 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 02:53:41 +00:00
Chris Lattner
8ef9c7958a eliminate the MatcherNodeWithChild class, give the 'child' 
field to MatcherNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96560 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 02:49:24 +00:00
Chris Lattner
dcdcef2cb3 fit in 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96541 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 00:23:27 +00:00
Chris Lattner
03ddb20bfd redisable this to save people a small amount of build time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96497 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 19:19:50 +00:00
Chris Lattner
0a3f39985b move isOnlyReachableByFallthrough out of MachineBasicBlock into AsmPrinter, 
and add a sparc implementation that knows about delay slots.  Patch by
Nathan Keynes!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96492 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 18:52:56 +00:00
Chris Lattner
84aa60b522 reduce nesting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96466 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 06:53:36 +00:00
Chris Lattner
781f359c1a improve comments, the matcher is now feature complete, on to codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96464 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 06:47:35 +00:00
Chris Lattner
409ac586e8 sink special case "cannotyetselect" for intrinsics out of the 
tblgen splatted code into the implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96460 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 06:28:22 +00:00
Chris Lattner
9a747f1305 Emulate the current isel's "IsChainCompatible" logic for now. 
I'd like to eventually rip it out, but for now producing the
same selections as the old matcher is more important.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96458 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 06:23:39 +00:00
Chris Lattner
8dc4f2bb60 properly record chain inputs to complex patterns, 
resolving a fixme.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96457 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 06:08:25 +00:00
Chris Lattner
d9c1a344a0 simplify IsChainCompatible codegen, add comments. no 
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 05:35:28 +00:00
Chris Lattner
785d16fe75 Prep work to handle input chains of matched patterns and checking for 
'ischaincompatible' when a pattern has more than one input chain.  Need
to do some commenting and cleanup now that I understand how this works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96443 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 02:16:19 +00:00
Chris Lattner
2f7ecdeb1d record input chains. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96437 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 01:34:15 +00:00
Chris Lattner
c642b84fb8 prefix captured value names with $ so they look like 
variables.  Use the fancy OpNo variable instead of i,
which has the right index including chains.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96436 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 01:27:29 +00:00
Chris Lattner
c96087b343 improve comments on OPC_Record to say what we're recording a node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96433 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 01:03:09 +00:00
Chris Lattner
5be6e5990b improve comments in generated matcher a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96422 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:39:26 +00:00
Chris Lattner
e609a513f3 make the new isel generator plop out a CheckComplexPattern function 
for evaluating complex patterns.  Some cleanup has to happen before
this can be used though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96419 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:31:50 +00:00
Chris Lattner
c2676b2909 fix inverted condition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96416 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:11:30 +00:00
Chris Lattner
53a2f60062 complex patterns don't get 'record' nodes, they implicitly 
record all their results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96412 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 23:16:25 +00:00