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Author SHA1 Message Date
Chris Lattner
4781fd7ca5 minor tidying, only do work if a function is 
actually X86_StdCall or X86_FastCall.

llvm-svn: 98374
 2010-03-12 19:48:03 +00:00
Chris Lattner
63328f1348 eliminate the string form of DecorateCygMingName 
llvm-svn: 98373
 2010-03-12 19:42:40 +00:00
Chris Lattner
2fd7c89502 remove the FnArgWords cache to make way for future changes. 
llvm-svn: 98372
 2010-03-12 19:31:03 +00:00
Bill Wendling
21a9744045 Add a beta-test for placing the LSDA into the TEXT section on X86. 
llvm-svn: 98370
 2010-03-12 19:20:40 +00:00
Devang Patel
04d151f5a6 Fix llc crash on invalid input. 
llvm-svn: 98369
 2010-03-12 19:18:30 +00:00
Chris Lattner
741b3e4e5f Remove some dead code. This method only gets called on 
definitions.

llvm-svn: 98368
 2010-03-12 19:14:18 +00:00
Chris Lattner
0bcd93798a use Mang->getSymbol instead of duplicating the logic, reduce indentation. 
llvm-svn: 98367
 2010-03-12 19:04:14 +00:00
Chris Lattner
01e70df9b2 finally give Mangler a getSymbol method, which returns an MCSymbol 
for a global instead of messing around with string buffers.

llvm-svn: 98366
 2010-03-12 18:55:20 +00:00
Chris Lattner
04cd48f865 remove dead code. 
llvm-svn: 98365
 2010-03-12 18:49:32 +00:00
Chris Lattner
683801add5 simplify code to use OutContext.GetOrCreateTemporarySymbol with 
no arguments instead of having to come up with a unique name.
This also makes the code less fragile.

llvm-svn: 98364
 2010-03-12 18:47:50 +00:00
Chris Lattner
956582f876 make the mangler take an MCContext instead of an MAI. 
No functionality change.

llvm-svn: 98363
 2010-03-12 18:44:54 +00:00
Chris Lattner
f4dce6a6d8 remove MAI argument from createAsmStreamer since it 
can get it from the context now.

llvm-svn: 98361
 2010-03-12 18:28:53 +00:00
Chris Lattner
4cc9a9004f fix a bug emitting .secrel32 that I introduced, PR6587, patch 
by A.Mazur!

llvm-svn: 98360
 2010-03-12 18:10:35 +00:00
Duncan Sands
01532e804a When constant folding GEP of GEP, do not crash if an index of 
the inner GEP is not a ConstantInt.

llvm-svn: 98359
 2010-03-12 17:55:20 +00:00
Jeffrey Yasskin
824bd1b30d Free DbgScopes in DwarfDebug::endFunction(). Also increased the const-ness of 
several fields to make it easier to figure out where bugs might be creeping in.

llvm-svn: 98358
 2010-03-12 17:45:06 +00:00
Duncan Sands
086a80eee3 Revert turning copysignl into a COPYSIGN node for the moment: 
ppc calls copysignl with a 128 bit ppc long double, resulting
in a node that the type legalizer doesn't know how to expand.

llvm-svn: 98357
 2010-03-12 17:41:34 +00:00
Kovarththanan Rajaratnam
96530a3830 Remove superfluous NULL assignment 
llvm-svn: 98350
 2010-03-12 14:17:24 +00:00
Benjamin Kramer
a06403442b Use StringRef::substr instead of std::string::substr to avoid using a free'd 
string temporary. This should fix PR6590.

llvm-svn: 98349
 2010-03-12 13:54:59 +00:00
Duncan Sands
aeed41b97a Now that it's supported, turn copysignl into a COPYSIGN node. 
llvm-svn: 98348
 2010-03-12 12:13:59 +00:00
Duncan Sands
5dcc3b328d Fix PR6522: implement copysign expansion for x86 long double 
(it seems that FreeBSD doesn't have copysignl).  Done by
removing a bunch of assumptions from the code.  This may also
help with sparc 128 bit floats.

llvm-svn: 98346
 2010-03-12 11:45:06 +00:00
Benjamin Kramer
0592752a53 Factor checked library call optimization into a common helper class and use it 
to unify the almost identical code in CodeGenPrepare and InstCombineCalls.

llvm-svn: 98338
 2010-03-12 09:27:41 +00:00
Chris Lattner
80ab250a1c fix PR6577, a bug in sdbuilder lowering select instructions 
whose true value was not Val#0.

llvm-svn: 98336
 2010-03-12 07:15:36 +00:00
Chris Lattner
5b74ab9076 update mkpatch for MC, patch by Aaron Gray 
llvm-svn: 98334
 2010-03-12 06:32:12 +00:00
Bill Wendling
be42dd3e27 The same situation that effected ARM effects PPC with regards to placing the 
LSDA into the TEXT section. We need to generate non-lazy pointers to it on
Mach-O. However, the object the NLP points to may be local to the translation
unit. If so, then the NLP needs to have the value of that object specified
instead of "0", which the linker interprets as "external".

llvm-svn: 98325
 2010-03-12 02:00:43 +00:00
Chris Lattner
07e124cec5 make TargetLoweringObjectFile::getExprForDwarfReference 
just make unnamed temp symbols instead of having to come
up with its own names.

llvm-svn: 98324
 2010-03-12 01:56:43 +00:00
Devang Patel
93aa350213 There is no need to create specification DIE for definitions at DIFile level. 
llvm-svn: 98302
 2010-03-11 23:44:52 +00:00
Bill Wendling
54c10efb5d MC-ize PPC's asm printing of stubs. 
llvm-svn: 98300
 2010-03-11 23:39:44 +00:00
Nate Begeman
687c31cdda Whoops this already existed. 
llvm-svn: 98297
 2010-03-11 23:21:19 +00:00
Nate Begeman
9151a9bee5 Add a handful of additional useful pass manager things to the C API 
llvm-svn: 98296
 2010-03-11 23:06:07 +00:00
Jakob Stoklund Olesen
1c8c4e2bb2 Extract methods from LocalRewriter::RewriteMBB bringing it down to 666 lines. 
llvm-svn: 98295
 2010-03-11 23:04:34 +00:00
Chris Lattner
de47dfab1d enhance MCContext::GetOrCreateTemporarySymbol() to create a new symbol 
with an arbitrary unique name.

llvm-svn: 98294
 2010-03-11 22:56:10 +00:00
Chris Lattner
debc026df2 change MCContext to always have an MCAsmInfo. 
llvm-svn: 98293
 2010-03-11 22:53:35 +00:00
Chris Lattner
5aefaeb42e fix a fixme in TargetLoweringObjectFile::getExprForDwarfReference 
where we used ot create an MCSymbol for ".".  Now emit an assembler
temporary label and reference it instead of "." textually.

rdar://7739457

llvm-svn: 98292
 2010-03-11 21:55:20 +00:00
Dan Gohman
6b1b9e37d7 Remove getWidenVectorType, which is no longer used. 
llvm-svn: 98289
 2010-03-11 21:39:57 +00:00
Chris Lattner
8fc3ad6384 empty symbols aren't possible, the mcsymbol ctor aborts on them. 
llvm-svn: 98288
 2010-03-11 21:38:58 +00:00
Johnny Chen
8d150046ba Set the (Format)F filed of t2Int_MemBarrierV7 & t2Int_SyncBarrierV7 to ThumbFrm, 
instead of Pseudo, which helps Thumb decoder to recognize them as Thumb instr.

llvm-svn: 98285
 2010-03-11 21:02:50 +00:00
Benjamin Kramer
846fefb000 stpcpy is so similar to strcpy, it doesn't deserve a complete copy of the __strcpy_chk -> strcpy code. 
llvm-svn: 98284
 2010-03-11 20:45:13 +00:00
Bill Wendling
368a68ac82 revert r98270. 
llvm-svn: 98281
 2010-03-11 19:50:31 +00:00
Chris Lattner
1ce9dfd498 rename getSymbolForDwarf* to getExprForDwarf* since it returns 
an MCExpr and not an MCSymbol.  Change it to take an MCStreamer,
which is currently unused.

No functionality change.

llvm-svn: 98278
 2010-03-11 19:41:58 +00:00
Evan Cheng
e1c0438e7b In case of tail call size of Ins and InVals may not match. 
llvm-svn: 98277
 2010-03-11 19:38:18 +00:00
Eric Christopher
017a0a06d8 Lower stpcpy_chk when possible. 
llvm-svn: 98274
 2010-03-11 19:24:34 +00:00
Evan Cheng
20dbd70316 Bad bad bug. x86 force indirect tail call address into eax when it's meant to force it into a call preserved register instead. Change it to ecx for now. 
llvm-svn: 98270
 2010-03-11 18:49:14 +00:00
Richard Osborne
8caa985467 Remove dead code. (S|U)MUL_LO is now lowered to LMUL or MACC(S|U) 
llvm-svn: 98269
 2010-03-11 18:38:59 +00:00
Jeffrey Yasskin
239beb0e85 Avoid leaking CompileUnits in DwarfDebug.cpp. 
llvm-svn: 98268
 2010-03-11 18:29:55 +00:00
Daniel Dunbar
8790f4ce4b MC/Mach-O: Add MCSymbolData::getAddress() utility. 
llvm-svn: 98266
 2010-03-11 18:22:51 +00:00
Eric Christopher
fd61aa2ea3 Fix typo. 
llvm-svn: 98260
 2010-03-11 17:45:38 +00:00
Richard Osborne
0dcde97cbc Add dag combine to simplify lmul(x, 0, a, b) 
llvm-svn: 98258
 2010-03-11 16:26:35 +00:00
Richard Osborne
22c1716d0d Switch XCore over to using inline jump table entries. 
llvm-svn: 98256
 2010-03-11 14:58:56 +00:00
Richard Osborne
9c71a0a5ba Add a new jump table encoding to indicate jump tables entries 
are inside the function by the target at the point of use.

llvm-svn: 98255
 2010-03-11 14:58:16 +00:00
Evan Cheng
4ef6d8fa15 The check for coalescing a virtual register to a physical register, e.g. 
cl = EXTRACT_SUBREG reg1024, 1, is overly conservative. It should check
for overlaps of vr's live interval with the super registers of the
physical register (ECX in this case) and let JoinIntervals() handle checking
the coalescing feasibility against the physical register (cl in this case).

llvm-svn: 98251
 2010-03-11 08:20:21 +00:00