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6637 Commits

Author SHA1 Message Date
Evan Cheng
5d3600f576 Allow registers defined by implicit_def to be clobbered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49512 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-10 23:47:53 +00:00
Dan Gohman
b1e07ec6a4 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49502 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-10 22:27:06 +00:00
Dan Gohman
7d8143f0ef Make isVectorClearMaskLegal's operand list const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49446 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-09 20:09:42 +00:00
Dan Gohman
920c6828ee Fix some minor errors in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49445 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-09 20:08:06 +00:00
Dan Gohman
cedbacffd6 Add const qualifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49443 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-09 18:31:41 +00:00
Dan Gohman
c76230b485 Update comments to use 2.0 syntax type names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49442 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-09 18:24:25 +00:00
Chris Lattner
d6d48c4e5b ConstantFP::get should be static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49434 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-09 17:16:28 +00:00
Owen Anderson
a723d1e48f Factor a bunch of functionality related to memcpy and memset transforms out of 
GVN and into its own pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49419 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-09 08:23:16 +00:00
Evan Cheng
a541931ddb Unbreak teh build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49417 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-09 07:06:01 +00:00
Chris Lattner
4592230265 add a version of ConstantFP::get that doesn't take a redundant Type* value, 
start migrating code over to use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49413 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-09 00:45:01 +00:00
Chris Lattner
def286408f make ConstantFP::isExactlyValue work for long double as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49410 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-09 00:03:58 +00:00
Devang Patel
cba931f601 Add CreateGetResult() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49398 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-08 20:41:22 +00:00
Devang Patel
7518583044 Add multiple value return instruction constructor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49374 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-08 07:30:13 +00:00
Duncan Sands
92432a8db1 Convenience method for setting the nounwind 
attribute for a function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49373 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-08 07:23:58 +00:00
Dale Johannesen
4e1b79459f Implement new llc flag -disable-required-unwind-tables. 
Corresponds to -fno-unwind-tables (usually default in gcc).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49361 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-08 00:10:24 +00:00
Ted Kremenek
9b01cc0ede Make getDirnameSep a static method (not part of Path's interface). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49354 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-07 22:01:32 +00:00
Ted Kremenek
cf55c8e221 Added method Path::getDirname(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49352 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-07 21:53:57 +00:00
Sam Bishop
a0562001d0 Added support for Create() calls that take an argument besides the 
deserializer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49350 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-07 21:36:46 +00:00
Dan Gohman
36b5c1338a Rename MemOperand to MachineMemOperand. This was suggested by 
review feedback from Chris quite a while ago. No functionality
change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49348 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-07 19:35:22 +00:00
Owen Anderson
412821284f Add operator= implementations to SparseBitVector, allowing it to be used in GVN. This results 
in both time and memory savings for GVN.  For example, one testcase went from 10.5s to 6s with
this patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49345 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-07 17:38:23 +00:00
Roman Levenstein
dc1adac582 Re-commit of the r48822, where the infinite looping problem discovered 
by Dan Gohman is fixed.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49330 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-07 10:06:32 +00:00
Owen Anderson
e5ffa900f8 Make GVN more memory efficient, particularly on code that contains a large number of 
allocations, which GVN can't optimize anyways.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49329 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-07 09:59:07 +00:00
Gabor Greif
051a950000 API changes for class Use size reduction, wave 1. 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49277 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-06 20:25:17 +00:00
Evan Cheng
c5ea2010c0 Forgot this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49247 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-05 02:17:58 +00:00
Duncan Sands
b51a0d87ac If a value is cast to its own type, then the cast 
is not needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49210 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-04 08:28:13 +00:00
Chris Lattner
f4cc3096fd Make ExecutionEngine::updateGlobalMapping return the old mapping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49206 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-04 04:47:41 +00:00
Ted Kremenek
a150ffeada Add member template version of SerializeTrait<T>::Create that also accepts 
an optional argument for us by T's Create method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49169 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-03 16:44:37 +00:00
Evan Cheng
f30a49d9e0 Special handling of zero-sized live intervals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49167 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-03 16:40:27 +00:00
Evan Cheng
419852ca8a - Treat a live range defined by an implicit_def as a zero-sized one. 
- Eliminate an implicit_def when it's being spilled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49166 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-03 16:39:43 +00:00
Evan Cheng
8a50f1fcf0 Start of a series of patches related to implicit_def. 
There is no point in creating a long live range defined by an implicit_def. Scheduler now duplicates implicit_def instruction for each of its uses. Therefore, if an implicit_def node has multiple uses, it will become a number of very short live ranges, rather than a long one. This will make coalescer's job easier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49164 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-03 16:36:07 +00:00
Evan Cheng
6397c64441 Backing out 48222 temporarily. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49124 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-03 03:13:16 +00:00
David Greene
a022e3fc2f Iterators folloring a SmallVector erased element are invalidated so 
don't access cached iterators from after the erased element.

Re-apply 49056 with SmallVector support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49106 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-02 18:24:46 +00:00
Evan Cheng
ea1d9cdc4e Now that I am told MachineRegisterInfo also tracks physical register uses / defs, I can do away with the horribleness I introduced a while back. It's impossible to detect if there is any use of a physical register below an instruction (and before any def of the register) with some cheap book keeping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49105 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-02 18:04:08 +00:00
Evan Cheng
1088317675 Remove #include<map> from LiveVariables.h. Not referenced. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49099 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-02 17:23:50 +00:00
Torok Edwin
56c2f99f00 Add new file Support/DataFlow.h. 
It allows Use-Def and Def-Use relations to be treated as graphs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49088 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-02 14:57:52 +00:00
Anton Korobeynikov
67073f1cbd Add new CC lowering rule: provide a list of registers, which can be 'shadowed', 
when some another register is used for argument passing.
Currently is used on Win64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49079 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-02 05:23:57 +00:00
Dale Johannesen
1532f3ddd7 Recommitting EH patch; this should answer most of the 
review feedback.
-enable-eh is still accepted but doesn't do anything.
EH intrinsics use Dwarf EH if the target supports that,
and are handled by LowerInvoke otherwise.
The separation of the EH table and frame move data is,
I think, logically figured out, but either one still
causes full EH info to be generated (not sure how to
split the metadata correctly).
MachineModuleInfo::needsFrameInfo is no longer used and
is removed.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49064 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-02 00:25:04 +00:00
Chris Lattner
038112a4e0 Change the MemoryBuffer::getFile* methods to take just a pointer to the 
start of a filename, not a filename+length.  All clients can produce a
null terminated name, and the system api's require null terminated 
strings anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49041 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 18:04:03 +00:00
Chris Lattner
98b7e612b2 MappedFile is dead, remove it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49035 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 06:20:44 +00:00
Chris Lattner
799ed1053b Stub out some sys::Path::MapInFilePages/UnMapFilePages methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49030 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 06:00:12 +00:00
Chris Lattner
7f6b447904 change the archive stuff to use MemoryBuffer instead of mappedfile. 
MemoryBuffer is higher level and more closely matches the model
needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49029 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 04:26:46 +00:00
Chris Lattner
685412e92f prune unneeded #includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49028 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 04:00:45 +00:00
Chris Lattner
2fcebc5e63 rewrite SourceFile to be in terms of MemoryBuffer, not MappedFile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49027 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 03:59:34 +00:00
Chris Lattner
23ffec8258 Make MappedFile::map return a const correct pointer, don't leak address space on Unix platforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49026 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 03:49:38 +00:00
Chris Lattner
37db5d67f9 Remove the MappedFile::charBase member, rename base -> getBase() and 
make getBase() return a const-correct pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49025 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 03:40:53 +00:00
Chris Lattner
cc56e64a59 add an accessor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49023 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 03:20:31 +00:00
Chris Lattner
bdbd2d710c Remove MappedFile support for mapping files for write and exec 
and shared.  This complicates the design, is not used, and probably
doesn't even work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49022 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 03:10:22 +00:00
Chris Lattner
558755ce1a remove extraneous #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49021 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 03:01:15 +00:00
Chris Lattner
1213d67265 update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49010 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 00:54:39 +00:00
Chris Lattner
540630f637 cleanup the MappedFile API and comments. This removes and updates 
tons of out of date comments (really nothing throws here!) and fixes
some other fairly glaring issues: "size" used to return the size of 
the file *and* change it, depending on how you called it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49009 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 00:53:25 +00:00