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Author SHA1 Message Date
Torok Edwin
2f53637d40 Add command-line flag to tblgen to turn off generating comments for the new 
isel (defaults it to generate comments).
This reduces the size of the generated source file.

llvm-svn: 97470
 2010-03-01 18:49:10 +00:00
Chris Lattner
b65ac4a796 Accelerate isel dispatch for tables that start with a top-level 
OPC_SwitchOpcode to use a table lookup instead of having to go
through the interpreter for this.

llvm-svn: 97469
 2010-03-01 18:47:11 +00:00
Devang Patel
be1150d535 These two tests check whether oprimizer safely ignores @llvm.dbg.stoppoint intrinsic or not. This intrinsic is not used anymore. 
llvm-svn: 97468
 2010-03-01 18:45:28 +00:00
John McCall
e5b0ef9279 Don't potentially read past the end of the fill data when making a NaN from 
an APInt.

llvm-svn: 97467
 2010-03-01 18:38:45 +00:00
Devang Patel
271f21327d This test checks whether LICM ignores @llvm.dbg.stoppoint intrinsics appropriately or not. Now, llvm does not use this intrinsic. Remove this test. 
llvm-svn: 97466
 2010-03-01 18:32:27 +00:00
Devang Patel
6853e2432e Rewrite test to test VLA using new debug info encoding scheme. 
llvm-svn: 97465
 2010-03-01 18:30:58 +00:00
Devang Patel
c56aee014c Remove this generic debug info intrinsic test. LLVM does not use this llvm.dbg.stoppoint intrinsic anymore. There are tests to check new implementation, which attaches location information directly with an instruction using metadata. 
llvm-svn: 97464
 2010-03-01 18:30:08 +00:00
Dan Gohman
99c98139c7 Fix optimization of ISD::TRUNCATE on vector operands. Based on a patch 
by Micah Villmow for PR6335.

llvm-svn: 97461
 2010-03-01 17:59:21 +00:00
Dan Gohman
6b91ee1f38 Add explicit keywords. 
llvm-svn: 97460
 2010-03-01 17:56:46 +00:00
Dan Gohman
6d21428325 Add a comment. 
llvm-svn: 97459
 2010-03-01 17:56:04 +00:00
Dan Gohman
3691dbc5cf Add some debug output to LoopSimplify. 
llvm-svn: 97458
 2010-03-01 17:55:27 +00:00
Dan Gohman
eeaf59db09 Add the alignstack keyword. 
llvm-svn: 97457
 2010-03-01 17:53:39 +00:00
Dan Gohman
5e58ab0b56 LLVM instruction syntax doesn't have trailing semicolons. 
llvm-svn: 97456
 2010-03-01 17:53:15 +00:00
Dan Gohman
3065dbd8e0 Spelling fixes. 
llvm-svn: 97454
 2010-03-01 17:51:02 +00:00
Dan Gohman
c08c48c9f3 Spelling fixes. 
llvm-svn: 97453
 2010-03-01 17:49:51 +00:00
Dan Gohman
296af95bf9 Whitespace cleanups. 
llvm-svn: 97452
 2010-03-01 17:47:21 +00:00
Dan Gohman
5cffef564c Use Doxygen comment syntax. 
llvm-svn: 97451
 2010-03-01 17:45:15 +00:00
Dan Gohman
0d46f3e9e6 This is now done. 
llvm-svn: 97450
 2010-03-01 17:43:57 +00:00
Dan Gohman
47608d937a Fix a missing newline in debug output. 
llvm-svn: 97449
 2010-03-01 17:42:55 +00:00
Dan Gohman
25af6486ae Prune #includes. 
llvm-svn: 97448
 2010-03-01 17:42:17 +00:00
Dan Gohman
f244a308c4 Fix spelling. 
llvm-svn: 97447
 2010-03-01 17:41:39 +00:00
Dan Gohman
4fc1d1236f Don't print "Modified" for passes which haven't modified anything. 
llvm-svn: 97446
 2010-03-01 17:34:28 +00:00
Nathan Keynes
0226482410 Add JIT support to the TODO list (test commit) 
llvm-svn: 97443
 2010-03-01 10:40:41 +00:00
Chris Lattner
19b59d2278 Emit type checks late instead of early, this encourages 
structural matching code to be factored and shared this
shrinks the X86 isel table from 86537 to 83890 bytes.

llvm-svn: 97442
 2010-03-01 07:54:59 +00:00
Chris Lattner
f62ad24616 some trivial microoptimizations. 
llvm-svn: 97441
 2010-03-01 07:43:08 +00:00
Chris Lattner
4baff2da00 Emit a redundant check for immediates at root context, e.g. (imm 0). 
This allows formation of OpcodeSwitch for top level patterns, in
particular on X86.  This saves about 1K of data space in the x86
table and makes the dispatch much more efficient.

llvm-svn: 97440
 2010-03-01 07:27:07 +00:00
Chris Lattner
cdfa80eaaf eliminate the CheckMultiOpcodeMatcher code and have each 
ComplexPattern at the root be generated multiple times, once
for each opcode they are part of.  This encourages factoring
because the opcode checks get treated just like everything
else in the matcher.

llvm-svn: 97439
 2010-03-01 07:17:40 +00:00
Chris Lattner
8529ea0237 add a new OPC_SwitchOpcode which is semantically equivalent 
to a scope where every child starts with a CheckOpcode, but
executes more efficiently.  Enhance DAGISelMatcherOpt to 
form it.

This also fixes a bug in CheckOpcode: apparently the SDNodeInfo
objects are not pointer comparable, we have to compare the
enum name.

llvm-svn: 97438
 2010-03-01 06:59:22 +00:00
Chris Lattner
a3ca8f3e2d pull MarkFlagResult out from between an EmitNode/CompleteMatch 
pair.  This encourages MorphNodeTo formation, this gets us 200
more MorphNodeTo's on X86 and shrinks the table a bit.

llvm-svn: 97434
 2010-03-01 02:33:14 +00:00
Chris Lattner
c63cbf5105 enhance RecordNode and RecordChild comments to indicate what 
slot they're recording into, no functionality change.

llvm-svn: 97433
 2010-03-01 02:24:17 +00:00
Chris Lattner
17b56423d9 Emit redundant opcode checks for andimm and orimm tests at root 
so that we get grouping at the top level.

Add an optimization to reorder type check & record nodes
after opcode checks.  We prefer to expose tree shape 
matching which improves grouping and will enhance the next
optimization.

llvm-svn: 97432
 2010-03-01 02:15:34 +00:00
Chris Lattner
ac55b2ddbc inline the node transforms and node predicates into the generated 
dispatcher method.  This eliminates the dependence of the new isel's
generated code on the old isel's predicates, however some random
hand written isel code still uses them.

llvm-svn: 97431
 2010-03-01 01:54:19 +00:00
Chris Lattner
44432b5fd6 simplify some code now that chain/flag results are not stored in 
the vtlist for emitnode.

llvm-svn: 97429
 2010-02-28 23:00:47 +00:00
Chris Lattner
3501066119 don't emit useless functions. These were producing 
warnings in release-assert builds if there were no cases.

llvm-svn: 97428
 2010-02-28 22:57:03 +00:00
Mikhail Glushenkov
47b3719d4b 80-col violations/trailing whitespace. 
llvm-svn: 97427
 2010-02-28 22:54:30 +00:00
Chris Lattner
4408939f12 eliminate GetInt1/2 
llvm-svn: 97426
 2010-02-28 22:38:43 +00:00
Chris Lattner
afa7d2eacc hoist the new isel interpreter out of DAGISelHeader.h 
(which gets #included into the middle of each 
target's DAGISel class) into a .cpp file where it is
only compiled once.

llvm-svn: 97425
 2010-02-28 22:37:22 +00:00
Chris Lattner
d49712e905 change a few opcodes to use VBRs instead of embedding 
immediate sizes into the opcode.

llvm-svn: 97423
 2010-02-28 22:14:32 +00:00
Chris Lattner
34440d39ab move all the opcodes out of DAGISelHeader.h (which gets 
#included into the middle of each isel class) into a real 
header.

llvm-svn: 97421
 2010-02-28 21:58:42 +00:00
Chris Lattner
f571d51b6a resolve a fixme by using hte new flag. 
llvm-svn: 97420
 2010-02-28 21:56:16 +00:00
Chris Lattner
6f5b656bbf enhance the EmitNode/MorphNodeTo operands to take a bit that 
specifies whether there is an output flag or not.  Use this
instead of redundantly encoding the chain/flag results in the
output vtlist.

llvm-svn: 97419
 2010-02-28 21:53:42 +00:00
Chris Lattner
61a0c6674e enhance the new isel to handle the 'node already exists' 
case of MorphNodeTo directly.

llvm-svn: 97417
 2010-02-28 21:36:14 +00:00
Chris Lattner
2cda94eb86 use MorphNodeTo instead of SelectNodeTo. SelectNodeTo 
is just a silly wrapper around MorphNodeTo.

llvm-svn: 97416
 2010-02-28 20:55:18 +00:00
Chris Lattner
9599b6a5e9 enhance the new isel to use SelectNodeTo for most patterns, 
even some the old isel didn't.  There are several parts of
this that make me feel dirty, but it's no worse than the
old isel.  I'll clean up the parts I can do without ripping
out the old one next.

llvm-svn: 97415
 2010-02-28 20:49:53 +00:00
Erick Tryzelaar
264323d31e Add support getting the operands of a User to ocaml. 
llvm-svn: 97414
 2010-02-28 20:45:03 +00:00
Erick Tryzelaar
ff1a75de6d Add support for global aliases to ocaml. 
llvm-svn: 97413
 2010-02-28 20:44:58 +00:00
Erick Tryzelaar
c0bff2bbc9 Add support for inserting inline asm to ocaml. 
llvm-svn: 97412
 2010-02-28 20:44:53 +00:00
Chris Lattner
74db1864da add some random nounwinds. 
llvm-svn: 97411
 2010-02-28 20:36:49 +00:00
Chris Lattner
bbb7d72497 I'm removing andersaa after the branch is made. 
llvm-svn: 97409
 2010-02-28 18:57:59 +00:00
Chris Lattner
f6124c5583 simplify this code, return only ever has zero or one operands. 
llvm-svn: 97408
 2010-02-28 18:53:13 +00:00