Chris Lattner
0ec8fa0880
Add a bunch of stuff needed for node type inference. Move 'BLR' down with
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the rest of the instructions, add comment markers to seperate portions of
the file into logical parts
llvm-svn: 23277
2005-09-08 19:50:41 +00:00
Chris Lattner
07f1e4597e
Fix indentation
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llvm-svn: 23276
2005-09-08 19:47:28 +00:00
Chris Lattner
bd6b164965
regenerate
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llvm-svn: 23275
2005-09-08 18:48:47 +00:00
Chris Lattner
972cccd77a
Add support for automatically created anonymous definitions.
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This implements Regression/TableGen/AnonDefinitionOnDemand.td
llvm-svn: 23274
2005-09-08 18:48:23 +00:00
Chris Lattner
1872ea3227
x and X should be structurally identical
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llvm-svn: 23273
2005-09-08 18:47:43 +00:00
Chris Lattner
808c642e62
new expression type
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llvm-svn: 23272
2005-09-08 18:47:21 +00:00
Chris Lattner
5a699e621f
regenerate
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llvm-svn: 23271
2005-09-08 18:22:57 +00:00
Chris Lattner
8a41b214b3
Tabs to spaces.
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llvm-svn: 23270
2005-09-08 18:22:35 +00:00
Chris Lattner
399f59f643
Keep names even when inlining. This allows us to realize that ADDI is:
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(set GPRC:i32:$rD, (add GPRC:i32:$rA, (imm)<<Predicate_immSExt16>>:$imm))
not:
(set GPRC:i32:$rD, (add GPRC:i32:$rA, (imm)<<Predicate_immSExt16>>))
(we keep the ":$imm")
llvm-svn: 23269
2005-09-08 17:45:12 +00:00
Chris Lattner
76cb006e2c
add patterns for x?oris?
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llvm-svn: 23268
2005-09-08 17:40:49 +00:00
Chris Lattner
2d8032b54c
add patterns to the addi/addis/mulli etc instructions. Define predicates
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for matching signed 16-bit and shifted 16-bit ppc immediates
llvm-svn: 23267
2005-09-08 17:33:10 +00:00
Chris Lattner
cf9b0e6673
Add patterns for some new instructions, allowing the use of the ineg fragment.
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llvm-svn: 23266
2005-09-08 17:01:54 +00:00
Chris Lattner
f18935a598
add some missing PPC backend files
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llvm-svn: 23265
2005-09-07 23:57:00 +00:00
Chris Lattner
a0d936cdc5
Add tblgen fpcmp and the nightly tester to the utils folder
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llvm-svn: 23264
2005-09-07 23:53:49 +00:00
Chris Lattner
7c8dba750c
ignore generated files
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llvm-svn: 23263
2005-09-07 23:47:44 +00:00
Chris Lattner
498915dafa
Remove some cases handled by the generated portion of the isel
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llvm-svn: 23262
2005-09-07 23:45:15 +00:00
Chris Lattner
d2a5b366f5
Initial cut of the dag isel generator. This is still very much a work in
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progress. It correctly parses instructions and pattern fragments and glues
together pattern fragments into instructions.
The only code it generates currently is some boilerplate code for things
like the EntryNode.
llvm-svn: 23261
2005-09-07 23:44:43 +00:00
Nate Begeman
2cc2c9a79c
Another round of dag combiner changes. This fixes some missing XOR folds
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as well as fixing how we replace old values with new values.
llvm-svn: 23260
2005-09-07 23:25:52 +00:00
Chris Lattner
5d16dbd5bb
Fix a bug that Tzu-Chien Chiu noticed: live interval analysis does NOT
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preserve livevar
llvm-svn: 23259
2005-09-07 17:34:39 +00:00
Nate Begeman
6791d63e55
Implement a common missing fold, (add (add x, c1), c2) -> (add x, c1+c2).
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This restores all of stanford to being identical with and without the dag
combiner with the add folding turned off in sd.cpp.
llvm-svn: 23258
2005-09-07 16:09:19 +00:00
Chris Lattner
5ea0ee7b19
On non-apple systems, when using -march=ppc32, do not print:
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'' is not a recognized processor for this target (ignoring processor)
Default to "generic" instead of "" for the default CPU.
llvm-svn: 23257
2005-09-07 05:45:33 +00:00
Chris Lattner
8d0e9d90aa
Print:
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'' is not a recognized processor for this target (ignoring processor)
instead of:
is not a recognized processor for this target (ignoring processor)
llvm-svn: 23256
2005-09-07 05:44:14 +00:00
Chris Lattner
fe883adfd2
Fix a bug nate ran into with replacealluseswith. In the recursive cse case,
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we were losing a node, causing an assertion to fail. Now we eagerly delete
discovered CSE's, and provide an optional vector to keep track of these
discovered equivalences.
llvm-svn: 23255
2005-09-07 05:37:01 +00:00
Chris Lattner
3852fd0e49
Add a new argument to ReplaceAllUsesWith to keep track of nodes deleted by
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this method
llvm-svn: 23254
2005-09-07 05:36:18 +00:00
Nate Begeman
007c650699
Add an option to the DAG Combiner to enable it for beta runs, and turn on
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that option for PowerPC's beta.
llvm-svn: 23253
2005-09-07 00:15:36 +00:00
Chris Lattner
c59a1dbce2
Rename a class. These files are being migrated to the new isel and I want to
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reuse the names
llvm-svn: 23252
2005-09-06 22:51:34 +00:00
Nate Begeman
a53a310d8c
Test the new 64bit i64<->fp functionality
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llvm-svn: 23251
2005-09-06 22:23:15 +00:00
Nate Begeman
6095214bf0
Implement i64<->fp using the fctidz/fcfid instructions on PowerPC when we
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are allowed to generate 64-bit-only PowerPC instructions for 32 bit hosts,
such as the PowerPC 970.
This speeds up 189.lucas from 81.99 to 32.64 seconds.
llvm-svn: 23250
2005-09-06 22:03:27 +00:00
Chris Lattner
784e44443d
regenerate
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llvm-svn: 23249
2005-09-06 21:23:27 +00:00
Chris Lattner
ab9eba1014
Tighten up the specification to allow TableGen/nested-comment.td to pass
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(fixing a bug where / in a /* */ comment would cause it to not close).
llvm-svn: 23248
2005-09-06 21:23:09 +00:00
Chris Lattner
23e2499ee4
new testcase: tblgen should grok this.
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llvm-svn: 23247
2005-09-06 21:22:15 +00:00
Andrew Lenharth
a63a066205
Fix up the AssertXext problem, as well as adding it at calls
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llvm-svn: 23246
2005-09-06 17:00:23 +00:00
Nate Begeman
e9e2c6d314
Add note about future optimization noted in the ppc compiler writer's guide
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llvm-svn: 23245
2005-09-06 15:30:48 +00:00
Nate Begeman
2dded8302a
Add accessor for 64bit flag, so that we can tell when it is safe to
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generate the fun in-register fp<->long instructions.
llvm-svn: 23244
2005-09-06 15:30:12 +00:00
Nate Begeman
d23739d020
Next round of DAGCombiner changes. This version now passes all the tests
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I have run so far when run before Legalize. It still needs to pick up the
SetCC folds, and nodes that use SetCC.
llvm-svn: 23243
2005-09-06 04:43:02 +00:00
Chris Lattner
f1705fdda4
Add a requirement, patch contributed by Henrik Bach.
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llvm-svn: 23242
2005-09-06 04:07:15 +00:00
Andrew Lenharth
c8bd5bda59
revert part of the last change, should fix regressions
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llvm-svn: 23241
2005-09-04 06:12:19 +00:00
Chris Lattner
aa833d4571
explicitly specify an operands list for patterns with inputs (e.g. neg)
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llvm-svn: 23240
2005-09-03 01:28:40 +00:00
Chris Lattner
8ae9525bd0
include the dag isel fragment
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llvm-svn: 23239
2005-09-03 01:17:22 +00:00
Chris Lattner
0442dcfabc
ask for a dag isel
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llvm-svn: 23238
2005-09-03 01:15:41 +00:00
Chris Lattner
33f98bdddf
allow for a target to ask for a dag isel
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llvm-svn: 23237
2005-09-03 01:15:25 +00:00
Chris Lattner
90d000417f
Add an option and stuff implementation of a dag isel emitter
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llvm-svn: 23236
2005-09-03 01:14:03 +00:00
Chris Lattner
821628ff2a
Fix a checking failure in gs
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llvm-svn: 23235
2005-09-03 01:04:40 +00:00
Chris Lattner
5f12cf14be
Change the isel to not break out of the big giant switch. Instead, the
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switch should never be exited, so its bottom is now unreachable.
llvm-svn: 23234
2005-09-03 00:53:47 +00:00
Chris Lattner
9220f92c41
rearrange logical ops to group them together more consistently.
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Define the PatFrag class which can be used to define subpatterns to match
things with. Define 'not', and use it to define the patterns for andc,
nand, etc.
llvm-svn: 23233
2005-09-03 00:21:51 +00:00
Chris Lattner
dcbb561b76
Add AND/OR/XOR
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llvm-svn: 23232
2005-09-02 22:35:53 +00:00
Nate Begeman
7cea6ef16e
Next round of DAG Combiner changes. Just need to support multiple return
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values, and then we should be able to hook it up.
llvm-svn: 23231
2005-09-02 21:18:40 +00:00
Chris Lattner
3a1002d529
Add some initial patterns to simple binary instructions, though they
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currently don't do anything. This elides patterns for binary operators
that ping on the carry flag, since we don't model it yet.
This patch also removes PPC::SUB, because it is dead.
llvm-svn: 23230
2005-09-02 21:18:00 +00:00
Chris Lattner
1a570f1fe4
Clean up some code from the last checkin
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llvm-svn: 23229
2005-09-02 20:32:45 +00:00
Chris Lattner
630226697f
Fix a bug in legalize where it would emit two calls to libcalls that return
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i64 values on targets that need that expanded to 32-bit registers. This fixes
PowerPC/2005-09-02-LegalizeDuplicatesCalls.ll and speeds up 189.lucas from
taking 122.72s to 81.96s on my desktop.
llvm-svn: 23228
2005-09-02 20:26:58 +00:00