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27391 Commits

Author SHA1 Message Date
Chris Lattner 6be726048e Go through all kinds of trouble to mark 'blr' as having a predicate operand 
that takes a register and condition code.  Print these pieces of BLR the
right way, even though it is currently set to 'always'.

Next up: get the JIT encoding right, then enhance branch folding to produce
predicated blr for simple examples.

llvm-svn: 31449
 2006-11-04 05:27:39 +00:00
Chris Lattner ed07f23c52 Parse PredicateOperand's. When an instruction takes one, have the generated 
isel fill in the instruction operands with the 'execute always' value
automatically.

llvm-svn: 31448
 2006-11-04 05:12:02 +00:00
Chris Lattner 1faa9097c7 First steps to getting PredicateOperand's to work. This handles instruction 
and pat pattern definitions.  Codegen is not right for them yet.

llvm-svn: 31444
 2006-11-04 01:35:50 +00:00
Reid Spencer de6bce9e02 Okay, need a pattern before and after the cast pattern. 
llvm-svn: 31443
 2006-11-04 01:11:19 +00:00
Reid Spencer 260a93abc2 Allow the regular expression to be extended by a parameter. 
llvm-svn: 31442
 2006-11-04 00:58:39 +00:00
Reid Spencer c533824a9e For PR950: 
A little script to return 1 if it encounters any of the cast instructions
on the stdin.

llvm-svn: 31441
 2006-11-04 00:49:52 +00:00
Reid Spencer 6291ddca16 Add a note about warnings from the GNU ld 2.16.X linker. 
llvm-svn: 31440
 2006-11-04 00:33:42 +00:00
Evan Cheng 51733ed4a3 Fixed some spiller bugs exposed by the recent two-address code changes. Now 
there may be other def(s) apart from the use&def two-address operand. We need
to check if the register reuse for a use&def operand may conflicts with another
def. Provide a mean to recover from the conflict if it is detected when the
defs are processed later.

llvm-svn: 31439
 2006-11-04 00:21:55 +00:00
Chris Lattner c8a68d08c3 Describe PPC predicates, which are a pair of CR# and condition. 
llvm-svn: 31438
 2006-11-03 23:53:25 +00:00
Chris Lattner 4905d2c5b4 initial steps to getting the predicate on PPC::BLR right. 
llvm-svn: 31437
 2006-11-03 23:52:18 +00:00
Chris Lattner 4fcc04a32a remove dead var 
llvm-svn: 31436
 2006-11-03 23:50:15 +00:00
Chris Lattner 9ac6442db6 remove dead/redundant vars 
llvm-svn: 31435
 2006-11-03 23:48:56 +00:00
Chris Lattner eb7128465d remove redundant/dead vars 
llvm-svn: 31434
 2006-11-03 23:47:20 +00:00
Chris Lattner 895d199348 remove dead vars 
llvm-svn: 31433
 2006-11-03 23:46:45 +00:00
Chris Lattner 7982de167f eliminate need for the NumMIOperands field in Operand. 
llvm-svn: 31432
 2006-11-03 23:45:17 +00:00
Andrew Lenharth 0ebb0b03e6 The wrong parameter was being tested to deturmine i32 vs i64 
llvm-svn: 31431
 2006-11-03 22:45:50 +00:00
Andrew Lenharth 95a1c854d3 add a regression for memmove 
llvm-svn: 31430
 2006-11-03 22:45:09 +00:00
Chris Lattner 2048373e71 add a note 
llvm-svn: 31429
 2006-11-03 22:27:39 +00:00
Chris Lattner 2d242aba18 this started failing due to Reid's changes in the bc format. insulate it 
from future changes.

llvm-svn: 31428
 2006-11-03 22:01:15 +00:00
Chris Lattner ea2abe2384 Fix BasicAA/2006-11-03-BasicAAVectorCrash.ll by handling out-of-range 
vector accesses like we handle out-of-range array accesses.

llvm-svn: 31427
 2006-11-03 21:58:48 +00:00
Chris Lattner 67af941db1 new testcase 
llvm-svn: 31426
 2006-11-03 21:58:14 +00:00
Reid Spencer 7b7ab9c59a Make the huge_val test run a C++ program not C 
llvm-svn: 31422
 2006-11-03 19:49:16 +00:00
Chris Lattner bb3ea2a437 this will work better 
llvm-svn: 31419
 2006-11-03 19:15:55 +00:00
Chris Lattner a35f8c16c4 Fix the build on xcode < 2.4 
llvm-svn: 31417
 2006-11-03 19:13:59 +00:00
Reid Spencer 128ae10611 Add a check to see if HUGE_VAL is sane or not. 
llvm-svn: 31416
 2006-11-03 18:04:08 +00:00
Andrew Lenharth 01a4a5d07e Split the External and Intrinsic handling into seperate functions. This 
improves readability of the call handling code significantly, as well as
makes it clear which parts are hacky (externals) and which parts are good
(call handling).

No functionality change.

llvm-svn: 31415
 2006-11-03 17:43:19 +00:00
Evan Cheng 9456dd8b81 Fix comments. 
llvm-svn: 31414
 2006-11-03 07:31:32 +00:00
Evan Cheng 1dfd26a151 Rename 
llvm-svn: 31413
 2006-11-03 07:21:16 +00:00
Reid Spencer 52f958741a Remove dead variable. Fix 80 column violations. 
llvm-svn: 31412
 2006-11-03 03:30:34 +00:00
Rafael Espindola 4ece5c04f4 revert previous patch 
llvm-svn: 31411
 2006-11-03 03:08:28 +00:00
Evan Cheng 357017f4a9 Added DAG combiner transformation to generate pre-indexed loads. 
llvm-svn: 31410
 2006-11-03 03:06:21 +00:00
Evan Cheng c176f038b9 Added isPredecessor. 
llvm-svn: 31409
 2006-11-03 03:05:24 +00:00
Evan Cheng 299022d514 Proper check for two-addressness. 
llvm-svn: 31408
 2006-11-03 03:04:46 +00:00
Evan Cheng 76326b0540 Added a target specific hook to check whether / how a node can be transformed 
into a pair of base / offset nodes for pre-indexed load / store ops.

llvm-svn: 31407
 2006-11-03 03:04:06 +00:00
Evan Cheng fe70c79e67 Add isPredecessor to check whether a node is another's predecessor. 
llvm-svn: 31406
 2006-11-03 03:02:18 +00:00
Evan Cheng 94b29e9e91 Dead code. 
llvm-svn: 31405
 2006-11-03 02:08:41 +00:00
Reid Spencer 3056ebeb22 Remove unused variable. 
llvm-svn: 31404
 2006-11-03 01:58:30 +00:00
Reid Spencer 03c6038226 Remove an unused variable. 
llvm-svn: 31403
 2006-11-03 01:48:30 +00:00
Chris Lattner 16e05c378d silence warning 
llvm-svn: 31402
 2006-11-03 01:45:13 +00:00
Reid Spencer 6b1fe928b1 Remove some dead code. 
llvm-svn: 31401
 2006-11-03 01:44:51 +00:00
Rafael Espindola 38b162c1d2 add createCFGSimplificationPass to ARMTargetMachine::addInstSelector 
llvm-svn: 31400
 2006-11-03 01:39:25 +00:00
Rafael Espindola f16dbf697a assert.h -> cassert 
llvm-svn: 31399
 2006-11-03 01:38:14 +00:00
Chris Lattner 62e2cad6b8 remove dead code 
llvm-svn: 31398
 2006-11-03 01:34:58 +00:00
Chris Lattner cd7b92251d silence warning 
llvm-svn: 31397
 2006-11-03 01:28:29 +00:00
Reid Spencer 5314f04de5 Don't write out variables that are never used. 
llvm-svn: 31396
 2006-11-03 01:28:12 +00:00
Chris Lattner 799b96be08 silence warning 
llvm-svn: 31395
 2006-11-03 01:19:31 +00:00
Chris Lattner b974b0a3e1 silence warnings. 
llvm-svn: 31394
 2006-11-03 01:18:29 +00:00
Chris Lattner de2f0906e4 silence warning 
llvm-svn: 31393
 2006-11-03 01:13:15 +00:00
Chris Lattner 71f55131d4 silence warnings 
llvm-svn: 31392
 2006-11-03 01:11:05 +00:00
Reid Spencer b795c434e5 Make sample project -pedantic clean. 
llvm-svn: 31391
 2006-11-03 00:09:53 +00:00