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Author SHA1 Message Date
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
Ted Kremenek
9f2c113fab Update CMake build. 
llvm-svn: 98250
 2010-03-11 07:51:23 +00:00
Eric Christopher
bbdbe41a97 Have fast-isel understand llvm.objectsize. Update testcase for slightly 
different codegen.

llvm-svn: 98244
 2010-03-11 06:20:22 +00:00
Jeffrey Yasskin
46115632ba Make clang bootstrap happier on OSX 10.5 by reducing the number of headers 
included when using global symbols to ask the linker for the addresses of
various functions.  One of the symbols was actually getting declared by a
header included in DynamicLibrary.cpp, which conflicted with the "extern void*"
declaration in SearchForAddressOfSpecialSymbol().

llvm-svn: 98243
 2010-03-11 06:14:32 +00:00
Daniel Dunbar
ee26fc9e9f MC/Mach-O: Implement "absolutizing" semantics of .set, by evaluating the assembly time value of variables. 
llvm-svn: 98241
 2010-03-11 05:53:37 +00:00
Daniel Dunbar
aefde2abfd MC/Mach-O: Start passing in the basic MCAsmLayout object. 
- Also, drop the current location part of AsmLayout, I think I prefer to implement this via explicit symbols.

llvm-svn: 98240
 2010-03-11 05:53:33 +00:00
Eric Christopher
53a9bc6e22 Do some final lowering in CodeGenPrepare of _chk calls similar to 
that in InstCombineCalls.

More call lowering needed.

llvm-svn: 98228
 2010-03-11 02:41:03 +00:00
Daniel Dunbar
285a34c8c8 MC: Sketch initial MCAsmLayout class, which encapsulates the current layout of an assembly file. The MCAsmLayout is also available for use by MCExpr::EvaluateAs{Absolute,Relocatable}, to allow target specific hooks and "absolutizing" of symbols. 
llvm-svn: 98227
 2010-03-11 02:28:59 +00:00
Daniel Dunbar
fe8914f6b6 Fix (unused) RegisterAsmBackend template, clang++ isn't happy about this. 
llvm-svn: 98226
 2010-03-11 02:28:52 +00:00
Daniel Dunbar
b24134670c Remove dead include. 
llvm-svn: 98225
 2010-03-11 02:28:48 +00:00
Dale Johannesen
15ff882aa1 Fix debug_value handling. 
llvm-svn: 98224
 2010-03-11 02:10:24 +00:00
Daniel Dunbar
687d99cfa8 MC: Provide MCAssembler with a TargetAsmBackend. 
llvm-svn: 98222
 2010-03-11 01:34:27 +00:00
Daniel Dunbar
f7f88fba2d MC: Sketch some TargetAsmBackend hooks we are going to need. 
llvm-svn: 98221
 2010-03-11 01:34:21 +00:00
Daniel Dunbar
10c975db78 MC: Provide the target triple to AsmBackend constructors. 
llvm-svn: 98220
 2010-03-11 01:34:16 +00:00
Eric Christopher
c2a92dadc5 Add strncpy libcall creator. Use it when it should be used. 
llvm-svn: 98219
 2010-03-11 01:25:07 +00:00
Bill Wendling
e0a7f83429 When outputing a non-lazy pointer for a stub, we may need to fill in the value 
for the NLP because the object it's pointing to may be internal to the file.

This seems counter-intuitive, but bear with me. When we place the LSDA into the
TEXT section, the type info pointers need to be indirect and pc-rel. We
accomplish this by using NLPs. However, sometimes the types are local to the
file. GCC gets around this by not using a NLP in this case, but a "regular"
indirection like this:

GCC_except_tbl:
  .long Lfoo-.

__ZTIA:  @ This is local
  ...

Lfoo:
  .long __ZTIA

LLVM prefers NLPs on Darwin. In fact, it's more optimal for load performance to
use them.

llvm-svn: 98218
 2010-03-11 01:18:13 +00:00
Johnny Chen
5b54a7fca1 Added Thumb2 LDRD/STRD pre/post variants for disassembly only. 
Plus fixed the encoding of t2LDRDpci such that P = 1 and W = 0 (offset mode).

llvm-svn: 98217
 2010-03-11 01:13:36 +00:00
Dale Johannesen
0ef6f3119d Make sure HasDebugValue is initialized. This should fix 
the buildbot running valgrind.

llvm-svn: 98216
 2010-03-11 00:52:12 +00:00
Bob Wilson
1ce9157601 Fix ARM buildbot breakage. 
llvm-svn: 98215
 2010-03-11 00:46:22 +00:00
Chris Lattner
d6d11e53ab add support, testcases, and dox for the new GHC calling 
convention.  Patch by David Terei!

llvm-svn: 98212
 2010-03-11 00:22:57 +00:00
Bob Wilson
b7efefe008 Lower small memcpys to load/stores on Thumb2. 
Radar 7686922.

llvm-svn: 98210
 2010-03-11 00:20:49 +00:00
Jakob Stoklund Olesen
87f8d0c4f2 VirtRegRewriter spring cleaning. No functional change. 
Move methods out of line and M-x whitespace-cleanup.
Promote common method arguments to member variables.

llvm-svn: 98207
 2010-03-11 00:11:33 +00:00
Chris Lattner
3a1f8cf234 Work around a bug in the openbsd assembler on i386, 
which doesn't support .quad correctly because it is
"really really old".  PR6528.

Yet another reason the mc assembler should take over ;-)

llvm-svn: 98205
 2010-03-11 00:06:19 +00:00