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37678 Commits

Author SHA1 Message Date
Chris Lattner
7cd9ea25c1 some code cleanups, use SwitchInst::findCaseValue, reduce indentation 
llvm-svn: 100468
 2010-04-05 21:18:32 +00:00
Evan Cheng
98db71c632 Code clean up. 
llvm-svn: 100467
 2010-04-05 21:16:25 +00:00
Eric Christopher
7205f8f510 Remove FIXME. 
llvm-svn: 100466
 2010-04-05 21:14:32 +00:00
Jeffrey Yasskin
39cdeee4c3 Fix OProfileJITEventListener build for new DebugLoc. 
llvm-svn: 100461
 2010-04-05 21:09:12 +00:00
Dan Gohman
302746a632 Add a comment. 
llvm-svn: 100459
 2010-04-05 20:24:08 +00:00
Chris Lattner
7d609ea6cb lowering a volatile llvm.memcpy to a libc memcpy is ok. 
PR6779

llvm-svn: 100457
 2010-04-05 20:11:45 +00:00
Dan Gohman
2aff0055c1 Don't do code sinking on unreachable blocks. It's unprofitable and hazardous. 
llvm-svn: 100455
 2010-04-05 19:17:22 +00:00
Chris Lattner
ae3049ffa0 don't use emitlabel in the arm asm printer yet, the order 
isn't well specified.  ARM really needs to have its instprinter
finished at some point.

llvm-svn: 100439
 2010-04-05 17:52:31 +00:00
Owen Anderson
3694d62450 Push const through the regex engine. Fixes some of the warnings in PR6616. 
llvm-svn: 100438
 2010-04-05 17:50:20 +00:00
Chris Lattner
bf754085cc fix a couple problems I introduced handling symbols 
with spaces in them.  Sym->getName()  !=   OS << *Sym

llvm-svn: 100434
 2010-04-05 16:32:14 +00:00
Benjamin Kramer
fdb716eb4d Disambiguate else. 
llvm-svn: 100423
 2010-04-05 10:17:15 +00:00
Chris Lattner
aa58ed7c00 remove the now-redundant MMI pointer in SelectionDAG. 
llvm-svn: 100419
 2010-04-05 06:19:28 +00:00
Chris Lattner
91309715b4 hopefully sate the clang self host build, which is apparently 
instantiating some folding set stuff that GCC isn't, requiring 
some types to not be incomplete.

I don't know if clang is right or wrong, but unbreaking the
bot is goodness.  Here's the broken build:
http://google1.osuosl.org:8011/builders/clang-x86_64-darwin10-selfhost/builds/1813/steps/compile.llvm.stage2/logs/stdio

llvm-svn: 100418
 2010-04-05 06:12:01 +00:00
Chris Lattner
097a332684 remove some redundant MMI arguments. 
llvm-svn: 100417
 2010-04-05 06:10:13 +00:00
Chris Lattner
6f3c3f60ce unthread MMI from FastISel 
llvm-svn: 100416
 2010-04-05 06:05:26 +00:00
Chris Lattner
cfca39ef59 remove the MMI pointer from MachineFrameInfo. 
llvm-svn: 100415
 2010-04-05 05:57:52 +00:00
Chris Lattner
811d538611 enhance MachineFunction to have a MMI pointer. 
llvm-svn: 100414
 2010-04-05 05:49:50 +00:00
Chris Lattner
ef9a9ee3a2 simplify code. 
llvm-svn: 100412
 2010-04-05 05:48:36 +00:00
Chris Lattner
341747c032 privatize more stuff, eliminate vtables. 
llvm-svn: 100410
 2010-04-05 05:32:45 +00:00
Chris Lattner
5d96bd2bbe reprivatize now that DwarfWriter is gone. 
llvm-svn: 100409
 2010-04-05 05:31:04 +00:00
Chris Lattner
59156acba1 prune #includes, MMI can never be null 
llvm-svn: 100408
 2010-04-05 05:28:23 +00:00
Chris Lattner
f2fb401571 prune #includes, realize the MMI can never be null. 
llvm-svn: 100407
 2010-04-05 05:24:55 +00:00
Chris Lattner
37d4f1e56e finally blast DwarfWriter away. 
llvm-svn: 100406
 2010-04-05 05:12:59 +00:00
Chris Lattner
df6b0827aa change AsmPrinter to use DwarfDebug/DwarfException directly 
instead of going through DwarfWriter.

llvm-svn: 100405
 2010-04-05 05:11:15 +00:00
Johnny Chen
de83f26ce2 Get rid of traling whitespaces. No functionality change. 
llvm-svn: 100404
 2010-04-05 04:51:50 +00:00
Johnny Chen
ac6c45034f The disassembler impl. of MCDisassembler::getInstruction() was using the pattern 
uint32_t insn;
  MemoryObject.readBytes(Address, 4, (uint8_t*)&insn, NULL)

to read 4 bytes of memory contents into a 32-bit uint variable.  This leaves the
interpretation of byte order up to the host machine and causes PPC test cases of
arm-tests, neon-tests, and thumb-tests to fail.  Fixed to use a byte array for
reading the memory contents and shift the bytes into place for the 32-bit uint
variable in the ARM case and 16-bit halfword in the Thumb case.

llvm-svn: 100403
 2010-04-05 04:46:17 +00:00
Chris Lattner
57240dc0db implement EmitFunctionEntryLabel to emit the .cc_top directive, 
allowing xcore to use the normal runOnMachineFunction 
implementation.

llvm-svn: 100402
 2010-04-05 04:44:02 +00:00
Chris Lattner
248e65ec05 trim some spurious references to DwarfWriter. SDIsel really doesn't 
need it anymore, so don't addRequire it.

llvm-svn: 100400
 2010-04-05 04:09:20 +00:00
Chris Lattner
74ce04b9bc prune some #includes. 
llvm-svn: 100399
 2010-04-05 04:04:10 +00:00
Chris Lattner
16ed3bfb2b eliminate DwarfDebug::shouldEmit, which is the same now as MMI::hasDebugInfo 
llvm-svn: 100386
 2010-04-05 03:52:55 +00:00
Chris Lattner
697c2edddc fix a regression on 2009-08-17-DebugInfo.m 
llvm-svn: 100385
 2010-04-05 03:49:26 +00:00
Jakob Stoklund Olesen
4c043c50fd Replace TSFlagsFields and TSFlagsShifts with a simpler TSFlags field. 
When a target instruction wants to set target-specific flags, it should simply
set bits in the TSFlags bit vector defined in the Instruction TableGen class.

This works well because TableGen resolves member references late:

class I : Instruction {
  AddrMode AM = AddrModeNone;
  let TSFlags{3-0} = AM.Value;
}

let AM = AddrMode4 in
def ADD : I;

TSFlags gets the expected bits from AddrMode4 in this example.

llvm-svn: 100384
 2010-04-05 03:10:20 +00:00
Chris Lattner
c930f73b4d selection dag doesn't need DwarfWriter, remove some tendrils. 
llvm-svn: 100382
 2010-04-05 02:23:33 +00:00
Chris Lattner
1fda8b3a8b fastisel doesn't need DwarfWriter, remove some tendricles. 
llvm-svn: 100381
 2010-04-05 02:19:28 +00:00
Evan Cheng
466ece20a6 Temporarily remove to disable building of ARM disassembler. 
llvm-svn: 100380
 2010-04-05 01:57:50 +00:00
Evan Cheng
d765bcc4d9 Re-apply 100265 but instead disable building of ARM disassembly for now. 
llvm-svn: 100379
 2010-04-05 01:34:00 +00:00
Evan Cheng
dbf0c22d5b Reverting 100265 to try to get buildbots green again. Lots of self-hosting buildbots started complaining since this commit. Also xfail ARM disassembly tests. 
llvm-svn: 100378
 2010-04-05 01:04:27 +00:00
Chris Lattner
6040137045 just have all targets create the DwarfWriter. 
llvm-svn: 100377
 2010-04-05 00:42:55 +00:00
Chris Lattner
2750d5a43d simplify various getAnalysisUsage implementations. 
llvm-svn: 100376
 2010-04-05 00:38:44 +00:00
Chris Lattner
fd80e7cca8 nuke DwarfPrinter 
llvm-svn: 100375
 2010-04-05 00:27:29 +00:00
Chris Lattner
122288eb97 make DwarfException not inherit from DwarfPrinter. 
llvm-svn: 100374
 2010-04-05 00:26:50 +00:00
Chris Lattner
c1b63a2dfa change SizeOf to take AsmPrinter instead of TargetData, 
simplifying a bunch of code.

llvm-svn: 100373
 2010-04-05 00:18:22 +00:00
Chris Lattner
2b89b0d279 1) make DIE take AsmPrinter instead of DwarfPrinter. 
2) change DwarfDebug to not inherit from DwarfPrinter.

llvm-svn: 100372
 2010-04-05 00:13:49 +00:00
Chris Lattner
0744c47856 Move EmitFrameMoves into AsmPrinter. 
llvm-svn: 100371
 2010-04-04 23:41:46 +00:00
Chris Lattner
303e9e2e0a simplify code and reduce indentation. 
llvm-svn: 100369
 2010-04-04 23:31:58 +00:00
Chris Lattner
2eaed62f7c now that the magic is dispelled, move EmitSectionOffset to AsmPrinter. 
llvm-svn: 100368
 2010-04-04 23:25:33 +00:00
Chris Lattner
ecdad4bb0c eliminate the magic AbsoluteDebugSectionOffsets MAI hook, 
which is really a property of the section being referenced.
Add a predicate to MCSection to replace it.

Yay for reduction in magic.

llvm-svn: 100367
 2010-04-04 23:22:29 +00:00
Chris Lattner
957eddbcb0 only emit section labels if we have debug info, fixing a few 
regtest failures.

llvm-svn: 100366
 2010-04-04 23:17:54 +00:00
Chris Lattner
7295a273aa I was wrong, ocaml isn't referencing 'Ldata_begin', so remove it. 
llvm-svn: 100365
 2010-04-04 23:10:38 +00:00
Chris Lattner
4bd354ecd8 add some assertions to EmitSectionOffset. 
llvm-svn: 100364
 2010-04-04 23:06:31 +00:00
Chris Lattner
a991a67a29 stop emitting some dead L labels. 
llvm-svn: 100363
 2010-04-04 23:02:02 +00:00
Chris Lattner
265b59119d Store an use the symbols emitted at the start of the debug 
sections instead of magically rematerializing them later.

llvm-svn: 100362
 2010-04-04 22:59:04 +00:00
Chris Lattner
53453a2dc8 remove the didInitial ivar, rename emitInitial to be more 
descriptive, change EmitSectionOffset back to taking a
symbol instead of a string.

llvm-svn: 100361
 2010-04-04 22:33:59 +00:00
Chris Lattner
df18fb3a6d simplify EmitSectionOffset a little bit, improve comments. 
llvm-svn: 100360
 2010-04-04 22:25:14 +00:00
Chris Lattner
95cb97e4da revert my patch, need to reconsider this and figure out what is really going on. 
llvm-svn: 100358
 2010-04-04 21:49:31 +00:00
Chris Lattner
19dad58bb3 fix pasto, this is the wrong setting for arm elf. 
llvm-svn: 100357
 2010-04-04 21:37:20 +00:00
Chris Lattner
168d49e6cd The "IsSmall" argument to EmitSectionOffset is always true, 
constant fold it away.

llvm-svn: 100356
 2010-04-04 21:34:40 +00:00
Chris Lattner
da4fe3e7d2 eliminate the "isEH" argument to EmitSectionOffset. 
llvm-svn: 100355
 2010-04-04 21:31:54 +00:00
Chris Lattner
2f1c065cef isAbsoluteEHSectionOffsets always returns false, eliminate it 
and substitute false at the one call site.

llvm-svn: 100354
 2010-04-04 21:29:44 +00:00
Jakob Stoklund Olesen
0f67b96b8d Clean up SSEDomainFix pass. 
Restrict bit mask operations to the DomainValue class. Rename methods for
clarity.

llvm-svn: 100353
 2010-04-04 21:27:26 +00:00
Chris Lattner
59f012caee don't reset the default. 
llvm-svn: 100352
 2010-04-04 21:06:50 +00:00
Chris Lattner
c83be77854 move some more stuff to asmprinter. 
llvm-svn: 100351
 2010-04-04 20:20:50 +00:00
Chris Lattner
7214d4d564 simplify some code. 
llvm-svn: 100350
 2010-04-04 20:10:41 +00:00
Chris Lattner
703ccb1b4c move EmitEncodingByte to AsmPrinter. 
llvm-svn: 100349
 2010-04-04 20:04:21 +00:00
Chris Lattner
071eb40cd2 move EmitCFAByte to AsmPrinter. 
llvm-svn: 100348
 2010-04-04 20:01:25 +00:00
Chris Lattner
24ed58efd1 inline EmitDifference away. 
llvm-svn: 100347
 2010-04-04 19:58:12 +00:00
Chris Lattner
779e051357 resolve a fixme. 
llvm-svn: 100346
 2010-04-04 19:28:59 +00:00
Chris Lattner
c2b0a02be0 move gettemplabel and getdwlabel to AsmPrinter and rename 
them for consistency.

llvm-svn: 100345
 2010-04-04 19:25:43 +00:00
Chris Lattner
342b44f89f move uleb/sleb printing into AsmPrinter from DwarfPrinter. 
llvm-svn: 100344
 2010-04-04 19:09:29 +00:00
Chris Lattner
3bdfd5a34d more interface cleanup make some helpers static functions. 
llvm-svn: 100343
 2010-04-04 18:58:53 +00:00
Chris Lattner
328ffc8c32 clean up the asmprinter header and privatize some stuff. 
llvm-svn: 100342
 2010-04-04 18:52:31 +00:00
Chris Lattner
dd1f2b6e33 use stringref instead of strtol to avoid errno gymnastics. 
llvm-svn: 100341
 2010-04-04 18:42:18 +00:00
Chris Lattner
d7a37abb77 split inline asm support out to its own .cpp file. 
llvm-svn: 100340
 2010-04-04 18:34:07 +00:00
Chris Lattner
e55c5e9d81 inline processDebugLoc and simplify it. 
llvm-svn: 100339
 2010-04-04 18:18:51 +00:00
Chris Lattner
a5c6be681c minor tidying. 
llvm-svn: 100338
 2010-04-04 18:16:38 +00:00
Chris Lattner
0d3490e0b0 clean up the asmprinter interface a bit, rename a few 
"Print" methods to "Emit".  Emit is something that goes
to an mc streamer, Print is something that goes to a
raw_ostream (for inline asm) 

llvm-svn: 100337
 2010-04-04 18:14:01 +00:00
Chris Lattner
cb654f3113 remove TargetMachine.h #include, also, TRI isn't used frequently 
enough to warrant caching in AsmPrinter, so remove it.

llvm-svn: 100336
 2010-04-04 18:06:11 +00:00
Jakob Stoklund Olesen
70757478a1 Switch SSEDomainFix to SpecificBumpPtrAllocator. 
llvm-svn: 100332
 2010-04-04 18:00:21 +00:00
Chris Lattner
71a1b87241 lazily allocate the GCMetadataPrinters map and remove DenseMap 
from the AsmPrinter interface.

llvm-svn: 100331
 2010-04-04 17:57:56 +00:00
Nicolas Geoffray
be623e86f8 CurFn is only used for relocations. Use EmissionDetails.MF->getFunction() instead. 
llvm-svn: 100328
 2010-04-04 10:31:49 +00:00
Chris Lattner
3eaaa7bb6c Momentous day: remove the "O" member from AsmPrinter. Now all 
"asm printering" happens through MCStreamer.  This also 
Streamerizes PIC16 debug info, which escaped my attention.

This removes a leak from LLVMTargetMachine of the 'legacy'
output stream.

llvm-svn: 100327
 2010-04-04 08:18:47 +00:00
Chris Lattner
b0eb3e8e49 now that all operand printing happens to specified streams, we can 
print function level inline asm with EmitInlineAsm instead of writing
it directly to "O".

llvm-svn: 100326
 2010-04-04 07:50:12 +00:00
Chris Lattner
1917725796 remove the raw_ostream from various dwarf printing things. 
The only thing left is LEB printing, which uses EmitRawText
for now.

llvm-svn: 100325
 2010-04-04 07:48:20 +00:00
Chris Lattner
6142bb4162 mcize the gc metadata printing stuff. 
llvm-svn: 100324
 2010-04-04 07:39:04 +00:00
Chris Lattner
da368251bf use EmitRawText instead of O in DwarfPrinter. 
llvm-svn: 100323
 2010-04-04 07:25:52 +00:00
Chris Lattner
5cd83c0773 mc'ize the remaining uses of O. 
llvm-svn: 100322
 2010-04-04 07:23:00 +00:00
Chris Lattner
36df7ab0ae finish eliminating uses of O. 
llvm-svn: 100321
 2010-04-04 07:17:25 +00:00
Chris Lattner
380fd2ed89 mcize more of ppc stub printing. 
llvm-svn: 100320
 2010-04-04 07:12:28 +00:00
Chris Lattner
67a2898dcc mcize a bunch more stuff, using EmitRawText for things we 
don't have mcstreamer support for yet.

llvm-svn: 100319
 2010-04-04 07:05:53 +00:00
Chris Lattner
781b877495 convert the non-MCInstPrinter'ized EmitInstruction 
implementations to use EmitRawText instead of writing
directly to "O".

llvm-svn: 100318
 2010-04-04 06:12:20 +00:00
Chris Lattner
658ba9b004 streamerize the rest of PIC16 asm printer. 
llvm-svn: 100317
 2010-04-04 05:53:03 +00:00
Chris Lattner
fb7128c165 streamerize printing of dbg_value, the x86 backend is now fully 
streamerized for everything.

llvm-svn: 100316
 2010-04-04 05:40:34 +00:00
Chris Lattner
696d811e4d split DEBUG_VALUE printing stuff out to its own method. 
llvm-svn: 100315
 2010-04-04 05:38:19 +00:00
Chris Lattner
4b7a56f4fe mc'ize elf stub printing, convert cygwin stuff to EmitRawText, 
which will abort in .o file writing mode.

llvm-svn: 100314
 2010-04-04 05:35:04 +00:00
Chris Lattner
00699c02d5 fix PrintAsmOperand and PrintAsmMemoryOperand to pass down 
raw_ostream to print to.

llvm-svn: 100313
 2010-04-04 05:29:35 +00:00
Chris Lattner
1a83b72699 use predicates in DBG_VALUE printing code to simplify it. 
llvm-svn: 100312
 2010-04-04 05:21:31 +00:00
Chris Lattner
0dcd134769 remove more implicit uses of "O". 
llvm-svn: 100311
 2010-04-04 05:19:20 +00:00
Chris Lattner
f56580493f change this back too 
llvm-svn: 100310
 2010-04-04 05:09:10 +00:00
Chris Lattner
d37e89c481 check in what I tested. :( 
llvm-svn: 100309
 2010-04-04 05:08:10 +00:00
Chris Lattner
d3805cbfe6 MMI is always available, rename O -> OS in printInlineAsm. 
llvm-svn: 100308
 2010-04-04 05:07:45 +00:00
Chris Lattner
8fb6be1886 fix an ugly wart in the MCInstPrinter api where the 
raw_ostream to print an instruction to had to be specified
at MCInstPrinter construction time instead of being able
to pick at each call to printInstruction.

llvm-svn: 100307
 2010-04-04 05:04:31 +00:00
Chris Lattner
cdbca3e8fe change a ton of code to not implicitly use the "O" raw_ostream 
member of AsmPrinter.  Instead, pass it in explicitly.

llvm-svn: 100306
 2010-04-04 04:47:45 +00:00
Mon P Wang
484bbe6aa9 Reapply address space patch after fixing an issue in MemCopyOptimizer. 
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)

llvm-svn: 100304
 2010-04-04 03:10:48 +00:00
Chris Lattner
fde2b21277 asmstreamerize the .size directive for function bodies, force clients 
of printOffset to pass in a stream to print to.

llvm-svn: 100296
 2010-04-03 22:28:33 +00:00
Chris Lattner
e952450d5a emit the cygwin stub thing through mcstreamer. 
llvm-svn: 100295
 2010-04-03 22:19:41 +00:00
Chris Lattner
b6769a8513 add a twine form of MCStreamer::EmitRawText, and mc'ize 
a few more things in AsmPrinter.cpp.

llvm-svn: 100294
 2010-04-03 22:12:35 +00:00
Chris Lattner
fad8688f5d allow attaching comments to raw text. 
llvm-svn: 100292
 2010-04-03 22:06:56 +00:00
Chris Lattner
940911edf1 start moving towards emitting inline asm statements with 
EmitInlineAsm.  However, this attempt is foiled by operands
being emitted directly to "O" so I'll have to do some surgery
and finish MCizing the world.

llvm-svn: 100291
 2010-04-03 22:01:50 +00:00
Chris Lattner
cf35bb049a add <cstdlib> header for abort() on linux builders. 
llvm-svn: 100290
 2010-04-03 21:48:59 +00:00
Chris Lattner
4e8e791414 add a new EmitInlineAsm function to asmprinter to handle inline asm. 
If we have an MCAsmStreamer, we continue to emit asm textually, 
otherwise we (currently) emit an error to errs and ignore it.

llvm-svn: 100289
 2010-04-03 21:35:55 +00:00
Chris Lattner
512e2aa3d2 mc'ize comment printing around file scope inline asm. 
llvm-svn: 100288
 2010-04-03 21:13:18 +00:00
Chris Lattner
8923a39d37 require that the branch being controlled by the IV 
exits the loop.  With this information we can guarantee 
the iteration count of the loop is bounded by the 
compare.  I think this xforms is finally safe now.

llvm-svn: 100285
 2010-04-03 07:21:39 +00:00
Chris Lattner
065798cd82 add integer overflow check for the fp induction variable 
checker.  Amusingly, we already had tests that we should
have rejects because they would be miscompiled in the
testsuite.

The remaining issue with this is that we don't check that
the branch causes us to exit the loop if it fails, so we
don't actually know if we remain in bounds.

llvm-svn: 100284
 2010-04-03 07:18:48 +00:00
Chris Lattner
bef7001a34 add a comment and fix some consistency issues, converting 
to a signed vs unsigned value depending on the sign of the
constant fp means that we can't distinguish between a 
truly negative number and a positive number so large the
32nd bit is set.  So, do don't this!

llvm-svn: 100283
 2010-04-03 06:41:49 +00:00
Chris Lattner
a8c9d26ea1 fix PR6761, a miscompilation due to the fp->int IV conversion 
stuff.  More bugs remain though.

llvm-svn: 100282
 2010-04-03 06:30:03 +00:00
Chris Lattner
29e43ff58f just eliminate the uitofp checks. This code isn't doing 
the required validity checks in the first place, and supporting
a condition large enough to require the 32'nd bit isn't worth it.

llvm-svn: 100280
 2010-04-03 06:25:21 +00:00
Chris Lattner
8ffa990600 rename PH -> PN to be consistent with WeakPN and the rest 
of llvm.

llvm-svn: 100276
 2010-04-03 06:17:08 +00:00
Chris Lattner
8bc4749f9f improve comment and drop a dead check. If PH had 
no uses, it would have been deleted by 
RecursivelyDeleteTriviallyDeadInstructions

llvm-svn: 100275
 2010-04-03 06:16:22 +00:00
Chris Lattner
93b0a5e901 strength reduce a ridiculous use of APInt. 
llvm-svn: 100274
 2010-04-03 06:13:12 +00:00
Chris Lattner
7282b7cbe0 rename stuff improve comment grammar. 
llvm-svn: 100273
 2010-04-03 06:11:07 +00:00
Chris Lattner
028bdcd418 simplify some code and resolve a fixme. 
llvm-svn: 100272
 2010-04-03 06:06:59 +00:00
Chris Lattner
cdc272fa9d There is no guarantee that the increment and the branch 
are in the same block.  Insert the new increment in the
correct location.

Also, more cleanups.

llvm-svn: 100271
 2010-04-03 06:05:10 +00:00
Chris Lattner
5c2f2edd08 first half of a pass through IndVarSimplify::HandleFloatingPointIV, 
this cleans up a bunch of code and also fixes several crashes and
miscompiles.  More to come unfortunately, this optimization
is quite broken.

llvm-svn: 100270
 2010-04-03 05:54:59 +00:00
Chris Lattner
b259395cd8 don't internalize available_externally functions, they are 
really just declarations.  This is related to PR6524

llvm-svn: 100269
 2010-04-03 05:24:50 +00:00
Johnny Chen
9da90c8593 Get rid of the middleman (ARMAlgorithm), which causes more trouble than the 
abstraction it brings.  And also get rid of the atexit() handler, it does not
belong in the lib directory. :-)

llvm-svn: 100265
 2010-04-03 04:10:56 +00:00
Bob Wilson
5a3200f750 Revert all my SSAUpdater patches. The PHI placement algorithm is not correct 
(what was I thinking?) and there's also a problem with LCSSA.  I'll try again
later with fixes.

--- Reverse-merging r100263 into '.':
U    lib/Transforms/Utils/SSAUpdater.cpp
--- Reverse-merging r100177 into '.':
G    lib/Transforms/Utils/SSAUpdater.cpp
--- Reverse-merging r100148 into '.':
G    lib/Transforms/Utils/SSAUpdater.cpp
--- Reverse-merging r100147 into '.':
U    include/llvm/Transforms/Utils/SSAUpdater.h
G    lib/Transforms/Utils/SSAUpdater.cpp
--- Reverse-merging r100131 into '.':
G    include/llvm/Transforms/Utils/SSAUpdater.h
G    lib/Transforms/Utils/SSAUpdater.cpp
--- Reverse-merging r100130 into '.':
G    lib/Transforms/Utils/SSAUpdater.cpp
--- Reverse-merging r100126 into '.':
G    include/llvm/Transforms/Utils/SSAUpdater.h
G    lib/Transforms/Utils/SSAUpdater.cpp
--- Reverse-merging r100050 into '.':
D    test/Transforms/GVN/2010-03-31-RedundantPHIs.ll
--- Reverse-merging r100047 into '.':
G    include/llvm/Transforms/Utils/SSAUpdater.h
G    lib/Transforms/Utils/SSAUpdater.cpp

llvm-svn: 100264
 2010-04-03 03:50:38 +00:00
Bob Wilson
71b0b33e05 Add a DEBUG_TYPE for the SSAUpdater. 
llvm-svn: 100263
 2010-04-03 03:28:44 +00:00
Evan Cheng
b56fbc400f Code refactoring. 
llvm-svn: 100262
 2010-04-03 02:23:43 +00:00
Chris Lattner
c2f273b52d Add special case bitcode support for DebugLoc. This avoids 
having the bitcode writer materialize mdnodes for all the
debug location tuples when writing out the bc file and 
stores the information in a more compact form.  For example,
the -O0 -g bc file for combine.c in 176.gcc shrinks from
739392 to 512096 bytes.

This concludes my planned short-term debug info work.

llvm-svn: 100261
 2010-04-03 02:17:50 +00:00
Johnny Chen
9b96a2cf47 Fix comment. 
llvm-svn: 100259
 2010-04-03 01:17:30 +00:00
Johnny Chen
313183d079 Register ARMAlgorithm::DoCleanup() to be called on exit to free the memory 
occuplied by the cached ARMAlgorithm objects.

llvm-svn: 100258
 2010-04-03 01:09:47 +00:00
Eric Christopher
0e238efc7d Rewrite aesimc handling. It only takes a single input and has a single 
dest.

llvm-svn: 100252
 2010-04-02 23:48:33 +00:00
Johnny Chen
fc49453e45 Fix another build warning. 
llvm-svn: 100251
 2010-04-02 23:43:38 +00:00
David Greene
7c81589636 Ok, third time's the charm. No changes from last time except the CMake 
source addition.  Apparently the buildbots were wrong about failures.

---

Add some switches helpful for debugging:

-print-before=<Pass Name>

Dump IR before running pass <Pass Name>.

-print-before-all

Dump IR before running each pass.

-print-after-all

Dump IR after running each pass.

These are helpful when tracking down a miscompilation.  It is easy to
get IR dumps and do diffs on them, etc.

To make this work well, add a new getPrinterPass API to Pass so that
each kind of pass (ModulePass, FunctionPass, etc.) can create a Pass
suitable for dumping out the kind of object the Pass works on.

llvm-svn: 100249
 2010-04-02 23:17:14 +00:00
Johnny Chen
6d9cbe7270 Second try of initial ARM/Thumb disassembler check-in. It consists of a tablgen 
backend (ARMDecoderEmitter) which emits the decoder functions for ARM and Thumb,
and the disassembler core which invokes the decoder function and builds up the
MCInst based on the decoded Opcode.

Reviewed by Chris Latter and Bob Wilson.

llvm-svn: 100233
 2010-04-02 22:27:38 +00:00
Sean Callanan
d04b3e0657 Added support for reporting operand token ranges 
to the ARM AsmParser.

llvm-svn: 100232
 2010-04-02 22:27:05 +00:00
Eric Christopher
bbf4e35cf6 Separate out the AES-NI instructions from the SSE4.2 instructions. Add 
a new subtarget option for AES and check for the support.  Add "westmere"
line of processors and add AES-NI support to the core i7.

Add a couple of TODOs for information I couldn't verify.

llvm-svn: 100231
 2010-04-02 21:54:27 +00:00
Dale Johannesen
86b4078f90 Skip debug info when looking for existing EH calls at the 
beginning of a block.

llvm-svn: 100230
 2010-04-02 21:49:27 +00:00
Sean Callanan
fa9e35aa58 Fixes to the X86 disassembler. The disassembler will now 
return an error status in all failure cases, printing
messages to debugs() only when debugging is enabled.

llvm-svn: 100229
 2010-04-02 21:23:51 +00:00
Benjamin Kramer
88e421e531 Fix anachronism. 
llvm-svn: 100225
 2010-04-02 20:47:05 +00:00
Chris Lattner
abbd9ae4d3 DebugInfoFinder::processModule was foiling my plot by 
materializing an MDNode for every debugloc.  don't do that! :)

"clang -g -S t.c" really no longer makes mdnodes for location 
tuples now.

llvm-svn: 100224
 2010-04-02 20:44:29 +00:00
Chris Lattner
9da2b8a955 fix the llvm-x86_64-linux buildbot. 
llvm-svn: 100223
 2010-04-02 20:36:25 +00:00
Chris Lattner
c7be637524 remove empty file. 
llvm-svn: 100222
 2010-04-02 20:26:36 +00:00
Chris Lattner
a686e27bab rename NewDebugLoc -> DebugLoc, prune #includes in DebugLoc.h. 
This keeps around temporary typedef for clang/llvm-gcc so the
build won't break when I commit this :)

llvm-svn: 100218
 2010-04-02 20:21:22 +00:00
Chris Lattner
0da97990f6 stop using DebugLoc::getUnknownLoc() 
llvm-svn: 100215
 2010-04-02 20:17:23 +00:00
Chris Lattner
58b7cca257 use DebugLoc default ctor instead of DebugLoc::getUnknownLoc() 
llvm-svn: 100214
 2010-04-02 20:16:16 +00:00
Chris Lattner
305c84b8ee Switch the code generator (except the JIT) onto the new DebugLoc 
representation.  This eliminates the 'DILocation' MDNodes for 
file/line/col tuples from -O0 -g codegen.

This remove the old DebugLoc class, making it a typedef for DebugLoc,
I'll rename NewDebugLoc next.

I didn't update the JIT to use the new apis, so it will continue to
work, but be as slow as before.  Someone should eventually do this
or, better yet, rip out the JIT debug info stuff and build the JIT
on top of MC.

llvm-svn: 100209
 2010-04-02 19:42:39 +00:00
Evan Cheng
5d825988d0 Correctly lower memset / memcpy of undef. It should be a nop. PR6767. 
llvm-svn: 100208
 2010-04-02 19:36:14 +00:00
Evan Cheng
499918dabf Revert 100204. It broke a bunch of tests and apparently changed what passes are run during codegen. 
llvm-svn: 100207
 2010-04-02 19:29:15 +00:00
Benjamin Kramer
69aee9e31b Update CMake. 
llvm-svn: 100206
 2010-04-02 19:09:51 +00:00