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23093 Commits

Author SHA1 Message Date
Chris Lattner a8dd636192 add a note 
llvm-svn: 26605
 2006-03-08 00:25:47 +00:00
Evan Cheng 70b25efa57 X86ISD::REP_STOS and X86ISD::REP_MOVS now produces a flag. 
llvm-svn: 26604
 2006-03-07 23:34:23 +00:00
Evan Cheng adc7093fc1 Use rep/stosl; and Count 0x3; rep/stosb for memset with 4 byte aligned dest. 
and variable value.
Similarly for memcpy.

llvm-svn: 26603
 2006-03-07 23:29:39 +00:00
Chris Lattner 207291fd1a Two things: 
1. Don't emit debug info, or other llvm.metadata to the .cbe.c file.
2. Mark static ctors/dtors as such, so that bugpoint works on C++ code
   compiled with the new CFE.

llvm-svn: 26602
 2006-03-07 22:58:23 +00:00
Chris Lattner d312f73022 new testcase that should have been added long ago. 
llvm-svn: 26601
 2006-03-07 22:33:00 +00:00
Jim Laskey 313570fb17 Use "llvm.metadata" section for debug globals. Filter out these globals in the 
asm printer.

llvm-svn: 26599
 2006-03-07 22:00:35 +00:00
Jim Laskey 69effa2325 Switch to using a numeric id for anchors. 
llvm-svn: 26598
 2006-03-07 20:53:47 +00:00
Chris Lattner 7b87fd53f9 Fix ConstantMerge/2006-03-07-DontMergeDiffSections.ll, a problem Jim 
hypotheticalized about, where we would incorrectly merge two globals in
different sections.

llvm-svn: 26597
 2006-03-07 17:56:59 +00:00
Chris Lattner f118a41fb0 new testcase 
llvm-svn: 26596
 2006-03-07 17:56:31 +00:00
Chris Lattner 907e13c742 add another missing store. 
llvm-svn: 26595
 2006-03-07 16:26:48 +00:00
Chris Lattner 8c73d80b08 add a couple more load/store instrs, add a newline to the end of file. 
llvm-svn: 26594
 2006-03-07 16:19:46 +00:00
Jim Laskey 3bad199894 Bitfield support. 
llvm-svn: 26593
 2006-03-07 15:51:33 +00:00
Evan Cheng 0fab08eae3 Don't generate silly matching code like this: 
if (N1.getOpcode() == ISD::ADD &&
     ...)
   if (... &&
       (N1.getNumOperands() == 1 || !isNonImmUse(N1.Val, N10.Val))) &&
       ...)

TableGen knows N1 must have more than one operand.

llvm-svn: 26592
 2006-03-07 08:31:27 +00:00
Nate Begeman 3e3219cc0a This kinda sorta implements "things that have to lead a dispatch group". 
llvm-svn: 26591
 2006-03-07 08:30:27 +00:00
Chris Lattner 675567f77c add some new instructions to the classifier. With this, we correctly insert 
a nop into Freebench/neural, which speeds it up from 136->129s (~5.4%).

llvm-svn: 26590
 2006-03-07 07:14:55 +00:00
Chris Lattner 05ad128dca add some comments that describe what we model 
llvm-svn: 26588
 2006-03-07 06:44:19 +00:00
Chris Lattner 2cab13573c Implement a very very simple hazard recognizer for LSU rejects and ctr set/read 
flushes

llvm-svn: 26587
 2006-03-07 06:32:48 +00:00
Chris Lattner 0c801bd1cf Fix some formatting, when looking for hazards, prefer target nodes over 
things like copyfromreg.

llvm-svn: 26586
 2006-03-07 05:40:43 +00:00
Chris Lattner 883cefc656 add a note 
llvm-svn: 26585
 2006-03-07 04:42:59 +00:00
Jeff Cohen 46d6e17fe9 Keep VC++ building. 
llvm-svn: 26584
 2006-03-07 02:58:13 +00:00
Chris Lattner bccb0e07f0 add a note 
llvm-svn: 26583
 2006-03-07 02:46:26 +00:00
Evan Cheng a4a4ceb478 - Emit subsections_via_symbols for Darwin. 
- Conditionalize Dwarf debugging output (Darwin only for now).

llvm-svn: 26582
 2006-03-07 02:23:26 +00:00
Evan Cheng 30d7b70b73 Enable Dwarf debugging info. 
llvm-svn: 26581
 2006-03-07 02:02:57 +00:00
Chris Lattner 53ef5a032c Teach the alignment handling code to look through constant expr casts and GEPs 
llvm-svn: 26580
 2006-03-07 01:28:57 +00:00
Chris Lattner 9b4ebee871 new regression test 
llvm-svn: 26579
 2006-03-06 23:52:37 +00:00
Chris Lattner 82f2ef20b6 Teach instcombine to increase the alignment of memset/memcpy/memmove when 
the pointer is known to come from either a global variable, alloca or
malloc.  This allows us to compile this:

  P = malloc(28);
  memset(P, 0, 28);

into explicit stores on PPC instead of a memset call.

llvm-svn: 26577
 2006-03-06 20:18:44 +00:00
Chris Lattner 01aa752a36 update file comment 
llvm-svn: 26573
 2006-03-06 17:58:04 +00:00
Evan Cheng a00c61932d Remove some code that doesn't make sense 
llvm-svn: 26572
 2006-03-06 07:31:44 +00:00
Reid Spencer 8e5da55b6d Make sure command line options are parsed before we try to add the LibPath 
(-L options) to TheLinker. Problem noticed by Wink Saville.

llvm-svn: 26571
 2006-03-06 06:38:19 +00:00
Evan Cheng c5c0658aa6 Remove SUnit::Priority1: it is re-calculated on demand as number of live 
range to be generated.

llvm-svn: 26570
 2006-03-06 06:08:54 +00:00
Chris Lattner 47639dbb93 Hoist the HazardRecognizer out of the ScheduleDAGList.cpp file to where 
targets can implement them.  Make the top-down scheduler non-g5-specific.

Remove the old testing hazard recognizer.

llvm-svn: 26569
 2006-03-06 00:22:00 +00:00
Chris Lattner 5733f37f17 Hoist the HazardRecognizer out of the ScheduleDAGList.cpp file to where 
targets can implement them.  Make the top-down scheduler non-g5-specific.

llvm-svn: 26568
 2006-03-06 00:20:29 +00:00
Chris Lattner 00b52ea8f9 Comment fixes 
llvm-svn: 26567
 2006-03-05 23:59:20 +00:00
Chris Lattner 80268aaeed Don't depend on the C99 copysign function, implement it ourselves. 
llvm-svn: 26566
 2006-03-05 23:57:58 +00:00
Chris Lattner cbde100850 new testcase I forgot to check in earlier 
llvm-svn: 26565
 2006-03-05 23:53:04 +00:00
Chris Lattner 2d945ba4c7 When a hazard recognizer needs noops to be inserted, do so. This represents 
noops as null pointers in the instruction sequence.

llvm-svn: 26564
 2006-03-05 23:51:47 +00:00
Chris Lattner b641a7cca6 add an emitnoop method 
llvm-svn: 26563
 2006-03-05 23:50:42 +00:00
Chris Lattner ea79d9fd73 implement TII::insertNoop 
llvm-svn: 26562
 2006-03-05 23:49:55 +00:00
Chris Lattner 4d9c174f3b custom lowered nodes are legal too 
llvm-svn: 26561
 2006-03-05 23:49:19 +00:00
Chris Lattner fbfdfd5d1c add a hook to insert a noop 
llvm-svn: 26560
 2006-03-05 23:48:51 +00:00
Chris Lattner fa5e1c9c26 Implement G5HazardRecognizer as a trivial thing that wants 5 cycles between 
copyfromreg nodes.  Clearly useful!

llvm-svn: 26559
 2006-03-05 23:13:56 +00:00
Chris Lattner e50c092b7c Add basic hazard recognizer support. noop insertion isn't complete yet though. 
llvm-svn: 26558
 2006-03-05 22:45:01 +00:00
Andrew Lenharth ef9aa1294a For transforms the behave differently if main goes away, add an option to prevent bugpoint from removing main 
llvm-svn: 26557
 2006-03-05 22:21:36 +00:00
Jeff Cohen 55e2aac24b Fix VC++ compilation error. 
llvm-svn: 26554
 2006-03-05 21:43:37 +00:00
Jim Laskey af25c7e4f3 Breathe some life into a comment. 
llvm-svn: 26553
 2006-03-05 21:20:20 +00:00
Chris Lattner 98ecb8ec61 Split the list scheduler into top-down and bottom-up pieces. The priority 
function of the top-down scheduler are completely bogus currently, and
having (future) PPC specific in this file is also wrong, but this is a
small incremental step.

llvm-svn: 26552
 2006-03-05 21:10:33 +00:00
Chris Lattner 1b59b09b6b Add a new scheduling type. This is, of course, a hack. Proper factoring 
will come later.

llvm-svn: 26551
 2006-03-05 21:08:06 +00:00
Chris Lattner 7a36d97518 Move the available queue to being inside the ListSchedule method, since it 
bounds its lifetime.

llvm-svn: 26550
 2006-03-05 20:21:55 +00:00
Chris Lattner 5032c32d30 add a note 
llvm-svn: 26549
 2006-03-05 20:00:08 +00:00
Chris Lattner bdaf4f38b5 Reinstate this now that the offending opposite xform has been removed. 
llvm-svn: 26548
 2006-03-05 19:53:55 +00:00