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Author SHA1 Message Date
Dale Johannesen
df6f49fc2d Something broke. Hard to believe it was this patch 
but it's harder to believe it's the other candidate,
so reverting.  Temporarily I hope.

llvm-svn: 96303
 2010-02-16 00:43:58 +00:00
Dan Gohman
7d5c463d8e When reusing an existing PHI node in a loop, be even more 
strict about the requirements.

llvm-svn: 96301
 2010-02-16 00:20:08 +00:00
Bob Wilson
c85ee6018a Put repeated empty pattern into the AQI instruction class. 
We could almost use a multiclass for the signed/unsigned instructions, but
there are only 6 of them so I guess it's not worth it.

llvm-svn: 96297
 2010-02-15 23:43:47 +00:00
Evan Cheng
df9a8c9d49 Fix a memory leak. Patch by Nicolas Geoffray. 
llvm-svn: 96295
 2010-02-15 23:16:53 +00:00
Dale Johannesen
16ec2c06bc More handling of DBG_VALUE. 
llvm-svn: 96294
 2010-02-15 23:05:03 +00:00
Anton Korobeynikov
56e593f08e Add missed entry to cmake build list file 
llvm-svn: 96292
 2010-02-15 22:55:13 +00:00
Anton Korobeynikov
26310a84b1 Use ttype encoding consistently 
llvm-svn: 96290
 2010-02-15 22:38:25 +00:00
Anton Korobeynikov
e759b33cf5 Fix a silly darwin-only typo introduced during merge. 
llvm-svn: 96289
 2010-02-15 22:38:10 +00:00
Anton Korobeynikov
ef1862e256 Move TLOF implementations to libCodegen to resolve layering violation. 
llvm-svn: 96288
 2010-02-15 22:37:53 +00:00
Anton Korobeynikov
559e34c5fc It turns out that we emitted completely wrong common EH frame since the early beginning! The "z" CIE augmentation mark indicates that there is an extra word containing the size of augmentation section. However, even for frames w/o any augmentation data we emitted size uleb! (this is the case of "unwinding through C code"). Thus frame moves information was emitterd completely wrong. 
llvm-svn: 96287
 2010-02-15 22:36:41 +00:00
Anton Korobeynikov
4d16d87eb1 Add suffix for stubs, so we won't have name clashes with private symbols. 
llvm-svn: 96286
 2010-02-15 22:36:26 +00:00
Anton Korobeynikov
dccd240998 Preliminary patch to improve dwarf EH generation - Hooks to return Personality / FDE / LSDA / TType encoding depending on target / options (e.g. code model / relocation model) - MCIzation of Dwarf EH printer to use encoding information - Stub generation for ELF target (needed for indirect references) - Some other small changes here and there 
llvm-svn: 96285
 2010-02-15 22:35:59 +00:00
Nick Lewycky
b38ae458a4 Teach the verifier to check the condition on a branch and ensure that it has 
'i1' type.

llvm-svn: 96282
 2010-02-15 22:09:09 +00:00
Jakob Stoklund Olesen
143339a43a Fix PR6300. 
A virtual register can be used before it is defined in the same MBB if the MBB
is part of a loop. Teach the implicit-def pass about this case.

llvm-svn: 96279
 2010-02-15 22:03:29 +00:00
Bob Wilson
01e8d35855 Last week we were generating code with duplicate induction variables in this 
test, but the problem seems to have gone away today.  Add a check to make sure
it doesn't come back.

llvm-svn: 96277
 2010-02-15 21:56:40 +00:00
Nick Lewycky
a21f060918 Fix crash in VerifyType when checking Contexts. Because there may not be a 
Module (we were called with verifyFunction and an unowned Function) we can't
rely on Mod->getContext().

llvm-svn: 96275
 2010-02-15 21:52:04 +00:00
Nick Lewycky
1dcde6b319 Don't try to materialize a function that isn't materializable anyways. This 
fixes a crash using FPM on a Function that isn't owned by a Module.

llvm-svn: 96273
 2010-02-15 21:27:56 +00:00
Nick Lewycky
1357e1c99a A function with no Module owner isn't materializable. This fixes F->dump() for 
functions not embedded within modules.

llvm-svn: 96272
 2010-02-15 21:27:20 +00:00
Chris Lattner
2ce5f89c01 remove empty file. 
llvm-svn: 96271
 2010-02-15 21:14:50 +00:00
Daniel Dunbar
d01423cec1 Simplify. 
llvm-svn: 96269
 2010-02-15 21:08:22 +00:00
Bill Wendling
bbf95aae9f Remove c++ style comments from c header. 
llvm-svn: 96266
 2010-02-15 20:53:17 +00:00
Chris Lattner
d7470aa340 revert r96241. It breaks two regression tests, isn't documented, 
and the testcase needs improvement.

llvm-svn: 96265
 2010-02-15 20:53:01 +00:00
Bill Wendling
8ed10ca345 Renumber Instruction enums in llvm-c. 
llvm-svn: 96264
 2010-02-15 20:50:51 +00:00
Chris Lattner
a8505609fe fix PR6305 by handling BlockAddress in a helper function 
called by jump threading.

llvm-svn: 96263
 2010-02-15 20:47:49 +00:00
Evan Cheng
b5fe25544c Split SelectionDAGISel::IsLegalAndProfitableToFold to 
IsLegalToFold and IsProfitableToFold. The generic version of the later simply checks whether the folding candidate has a single use.

This allows the target isel routines more flexibility in deciding whether folding makes sense. The specific case we are interested in is folding constant pool loads with multiple uses.

llvm-svn: 96255
 2010-02-15 19:41:07 +00:00
Chris Lattner
ab9dc2e37b comment fix. 
llvm-svn: 96248
 2010-02-15 18:55:04 +00:00
David Greene
ba8bac644b Add support for emitting non-temporal stores for DAGs marked 
non-temporal.

llvm-svn: 96241
 2010-02-15 17:02:56 +00:00
David Greene
4f983d569c Add non-temporal flags and remove an assumption of default arguments. 
llvm-svn: 96240
 2010-02-15 17:00:31 +00:00
David Greene
1b3d9eece5 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96239
 2010-02-15 16:57:43 +00:00
David Greene
fcf8375377 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96238
 2010-02-15 16:57:13 +00:00
David Greene
196564c820 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96237
 2010-02-15 16:57:02 +00:00
David Greene
b503e48b12 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96236
 2010-02-15 16:56:53 +00:00
David Greene
ea559af89a Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96235
 2010-02-15 16:56:34 +00:00
David Greene
725287f422 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96234
 2010-02-15 16:56:22 +00:00
David Greene
118edab4c9 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96233
 2010-02-15 16:56:10 +00:00
David Greene
47a10d2053 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96232
 2010-02-15 16:55:58 +00:00
David Greene
3bb90b9985 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96231
 2010-02-15 16:55:37 +00:00
David Greene
1efa05ab91 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96230
 2010-02-15 16:55:24 +00:00
David Greene
b3a7357944 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96229
 2010-02-15 16:55:07 +00:00
David Greene
75cc8f80a6 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96228
 2010-02-15 16:53:33 +00:00
David Greene
dd3a290ebf Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96227
 2010-02-15 16:49:52 +00:00
David Greene
0ed0396052 Add non-temporal flags to MachineMemOperand. 
llvm-svn: 96226
 2010-02-15 16:48:31 +00:00
Duncan Sands
2acaf3609c Uniformize the names of type predicates: rather than having isFloatTy and 
isInteger, we now have isFloatTy and isIntegerTy.  Requested by Chris!

llvm-svn: 96223
 2010-02-15 16:12:20 +00:00
Oscar Fuentes
6c7bdae8bd CMake: Fixed syntax in conditional. 
llvm-svn: 96221
 2010-02-15 15:17:05 +00:00
Andrew Lenharth
87e914773e Fix changes from r75027 
llvm-svn: 96220
 2010-02-15 15:00:44 +00:00
Dan Gohman
adc600ceb5 When testing whether a given SCEV depends on a temporary symbolic 
name, test whether the SCEV itself is that temporary symbolic name,
in addition to checking whether the symbolic name appears as a
possibly-indirect operand.

llvm-svn: 96216
 2010-02-15 10:28:37 +00:00
Chris Lattner
bc3bc62709 Check in the first big step of rewriting DAGISelEmitter to 
produce a table based matcher instead of gobs of C++ Code.

Though it's not done yet, the shrinkage seems promising,
the table for the X86 ISel is 75K and still has a lot of 
optimization to come (compare to the ~1.5M of .o generated
the old way, much of which will go away).

The code is currently disabled by default (the #if 0 in
DAGISelEmitter.cpp).  When enabled it generates a dead
SelectCode2 function in the DAGISel Header which will
eventually replace SelectCode.

There is still a lot of stuff left to do, which are
documented with a trail of FIXMEs.

llvm-svn: 96215
 2010-02-15 08:04:42 +00:00
Chris Lattner
8e8498ea02 give SDValue an operator->, allowing V->isTargetOpcode() and 
many other natural things.

llvm-svn: 96214
 2010-02-15 07:11:34 +00:00
Chris Lattner
2b00dd86ae don't make insanely large node numbers for no reason, 
packing somewhat densely is better than not.

llvm-svn: 96213
 2010-02-15 06:39:31 +00:00
Chris Lattner
ba70b52fe6 no need to add the instruction count anymore. 
llvm-svn: 96212
 2010-02-15 06:38:41 +00:00