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11891 Commits

Author SHA1 Message Date
Dan Gohman
7767d2747b Add a utility function for conservatively clearing kill flags, and make 
use of it in MachineCSE.

llvm-svn: 103726
 2010-05-13 19:24:00 +00:00
Daniel Dunbar
454ea716a3 MC: Factor out MCAssembler::ComputeFragmentSize. 
llvm-svn: 103724
 2010-05-13 18:35:06 +00:00
Daniel Dunbar
2842f25625 Fix const ilist_node::get{Prev,Next}Node() to actually compile. Picky, picky. 
llvm-svn: 103723
 2010-05-13 18:35:02 +00:00
Daniel Dunbar
484c6fc825 MC: Add section layout order indices to MCSectionData. 
llvm-svn: 103715
 2010-05-13 15:17:26 +00:00
Daniel Dunbar
e8845ef4db MC: Add MCAsmLayout::FragmentReplaced() helper function. 
llvm-svn: 103709
 2010-05-13 08:43:31 +00:00
Daniel Dunbar
d83889bd87 MC: Eliminate MCSectionData::{,Address,File}Size, which can now be computed by 
utility functions.

llvm-svn: 103695
 2010-05-13 03:19:50 +00:00
Daniel Dunbar
a6780da661 MC: Add MCAlignFragment::OnlyAlignAddress bit. This is a bit of magic that says the align fragment shouldn't contribute to the logical section size, it is will be used for cleaning up the code to handle section alignment. 
llvm-svn: 103690
 2010-05-13 01:10:26 +00:00
Daniel Dunbar
4dac59dcb7 MC: Add MCSectionData::AddressSize, which is the size of the address space consumed by the section. This can differ from both the section logical size, and the section size on disk (although the current code handles this without making an explicit distinction). 
llvm-svn: 103689
 2010-05-13 01:10:22 +00:00
Daniel Dunbar
b76df22a2e MC: Move MCAlignFragment::EmitNops value out of the constructor. 
llvm-svn: 103665
 2010-05-12 22:56:23 +00:00
Daniel Dunbar
4405ffc688 MC: Eliminate MCZeroFillFragment, it is no longer needed. 
llvm-svn: 103664
 2010-05-12 22:51:38 +00:00
Daniel Dunbar
597eb48168 MC: Switch MCFillFragment to storing total fill size instead of a count. This allows using ValueSize==0 to represent a virtual fill. 
llvm-svn: 103662
 2010-05-12 22:51:32 +00:00
Daniel Dunbar
51402b79e4 MC: Drop support for alignment in ZeroFill fragment, we can just use 
MCAlignFragments for this.

llvm-svn: 103661
 2010-05-12 22:51:27 +00:00
Nick Lewycky
c63aa1e8ab Clear CachedFunctionInfo upon Pass::releaseMemory. Because ValueMap will abort 
on RAUW of functions, this is a correctness issue instead of a mere memory
usage problem.


No testcase until the new MergeFunctions can land.

llvm-svn: 103653
 2010-05-12 21:48:15 +00:00
Daniel Dunbar
a7cc32a7b6 MC: Factor out MCAssembler::LayoutFragment 
llvm-svn: 103649
 2010-05-12 21:35:25 +00:00
Daniel Dunbar
959ae59997 ADT: Add ilist_node::get{Prev,Next}Node, which return the adjacent node or null. 
- This provides a convenient alternative to using something llvm::prior or
   manual iterator access, for example::

    if (T *Prev = foo->getPrevNode())
      ...

   instead of::

     iterator it(foo);
     if (it != begin()) {
       --it;
       ... 
     }

 - Chris, please review.

llvm-svn: 103647
 2010-05-12 21:35:19 +00:00
Daniel Dunbar
a11479eb49 MC: Simplify LayoutSection to just take the index of the section to layout. 
llvm-svn: 103627
 2010-05-12 17:56:47 +00:00
Daniel Dunbar
e02c1f6834 MC: Track section layout order explicitly, and use to simplify. 
llvm-svn: 103616
 2010-05-12 15:42:59 +00:00
Rafael Espindola
b69c7b76f1 Add support for movi32 of global values to the new (MC) asm printer. 
llvm-svn: 103576
 2010-05-12 05:16:34 +00:00
Nathan Jeffords
1de839f1be Added a trivial function to modify the flags field of MCSymbolData class. The function takes the value and a mask, and clears the mask bits before applying the value. 
llvm-svn: 103534
 2010-05-12 00:52:54 +00:00
Daniel Dunbar
ba2f4c3884 MC/Mach-O/x86_64: Add a new hook for checking whether a particular section can 
be diced into atoms, and adjust getAtom() to take this into account.
 - This fixes relocations to symbols in fixed size literal sections, for
   example.

llvm-svn: 103532
 2010-05-12 00:38:17 +00:00
Dan Gohman
1a1b51ff59 Add initial kill flag support to FastISel. 
llvm-svn: 103529
 2010-05-11 23:54:07 +00:00
Jakob Stoklund Olesen
3f0241e0f9 Simplify the tracking of used physregs to a bulk bitor followed by a transitive 
closure after allocating all blocks.

Add a few more test cases for -regalloc=fast.

llvm-svn: 103500
 2010-05-11 20:30:28 +00:00
Duncan Sands
6c5e4355bb I got tired of VISIBILITY_HIDDEN colliding with the gcc enum. Rename it 
to LLVM_LIBRARY_VISIBILITY and introduce LLVM_GLOBAL_VISIBILITY, which is
the opposite, for future use by dragonegg.

llvm-svn: 103495
 2010-05-11 20:16:09 +00:00
Dan Gohman
4cfccb801c Remove the "WantsWholeFile" concept, as it's no longer needed. CBE 
and the others use the regular addPassesToEmitFile hook now, and
llc no longer needs a bunch of redundant code to handle the
whole-file case.

llvm-svn: 103492
 2010-05-11 19:57:55 +00:00
Dan Gohman
9132c59d43 Trim #includes and forward declarations. 
llvm-svn: 103489
 2010-05-11 19:11:43 +00:00
Dan Gohman
88070ec400 Fix a comment. 
llvm-svn: 103483
 2010-05-11 18:03:41 +00:00
Dan Gohman
bb919dfb6b Implement a bunch more TargetSelectionDAGInfo infrastructure. 
Move EmitTargetCodeForMemcpy, EmitTargetCodeForMemset, and
EmitTargetCodeForMemmove out of TargetLowering and into
SelectionDAGInfo to exercise this.

llvm-svn: 103481
 2010-05-11 17:31:57 +00:00
Daniel Dunbar
3937e28da0 MC/Mach-O x86_64: Switch to using fragment atom symbol. 
- This eliminates getAtomForAddress() (which was a linear search) and
   simplifies getAtom().
 - This also fixes some correctness problems where local labels at the same
   address as non-local labels could be assigned to the wrong atom.

llvm-svn: 103480
 2010-05-11 17:22:50 +00:00
Dan Gohman
4df9d9ce11 Remove the TargetLowering::getSubtarget() virtual function, which 
was unused. TargetMachine::getSubtarget() is used instead.

llvm-svn: 103474
 2010-05-11 16:21:03 +00:00
Douglas Gregor
6739a89117 Fixes for Microsoft Visual Studio 2010, from Steven Watanabe! 
llvm-svn: 103457
 2010-05-11 06:17:44 +00:00
Bill Wendling
a12c1ff25a The getDefaultSubtargetFeatures method of SubtargetFeature did actually return a 
string of features for that target. However LTO was using that string to pass
into the "create target machine" stuff. That stuff needed the feature string to
be in a particular form. In particular, it needed the CPU specified first and
then the attributes. If there isn't a CPU specified, it required it to be blank
-- e.g., ",+altivec". Yuck.

Modify the getDefaultSubtargetFeatures method to be a non-static member
function. For all attributes for a specific subtarget, it will add them in like
normal. It will also take a CPU string so that it can satisfy this horrible
syntax.

llvm-svn: 103451
 2010-05-11 00:30:02 +00:00
Daniel Dunbar
aadb2cac49 MC/Mach-O: Explicitly track atoms, as represented by their defining symbol, for each fragment (not yet used). 
llvm-svn: 103438
 2010-05-10 22:45:09 +00:00
David Greene
103d4b43e9 Fix PR6875: 
This includes a patch by Roman Divacky to fix the initial crash.

Move the actual addition of passes from *PassManager::add to
*PassManager::addImpl.  That way, when adding printer passes we won't
recurse infinitely.

Finally, check to make sure that we are actually adding a FunctionPass
to a FunctionPassManager before doing a print before or after it.
Immutable passes are strange in this way because they aren't
FunctionPasses yet they can be and are added to the FunctionPassManager.

llvm-svn: 103425
 2010-05-10 20:24:27 +00:00
Dan Gohman
fd9048b510 Add an explicit keyword. 
llvm-svn: 103424
 2010-05-10 20:14:02 +00:00
Daniel Dunbar
dac182450b Add new configure option, --disable-timestamps, intended to turn off anything which would mess up binary/object comparisons. Currently: 
- Disables 'Built on ...' in 'foo --version'.
 - Disables timestamps from being embedded into .dir files.

llvm-svn: 103423
 2010-05-10 20:11:56 +00:00
Dan Gohman
afe876caaa Delete an obsolete comment. 
llvm-svn: 103420
 2010-05-10 19:47:21 +00:00
Chris Lattner
89eaeba0f7 remove a dead file. 
llvm-svn: 103383
 2010-05-09 17:34:13 +00:00
Chris Lattner
72afa956db break coff symbol definition stuff out into proper MCStreamer callbacks, 
patch by Nathan Jeffords!

llvm-svn: 103346
 2010-05-08 19:54:22 +00:00
Daniel Dunbar
68272566c6 Add llvm::sys::RunInterruptHandlers(), which runs the registered SIGINT cleanup 
stuff.

llvm-svn: 103333
 2010-05-08 02:10:34 +00:00
Devang Patel
cbe7a8508a Remove DIGlobal. 
llvm-svn: 103325
 2010-05-07 23:19:07 +00:00
Devang Patel
54c59312b1 Add DINameSpace::Verify(). 
llvm-svn: 103318
 2010-05-07 23:04:32 +00:00
Douglas Gregor
1b770bb946 Clang is dying on this with an ambiguous conversion sequence. We're working on it 
llvm-svn: 103312
 2010-05-07 22:28:25 +00:00
Devang Patel
2ae3397536 Verify variable directly. 
llvm-svn: 103305
 2010-05-07 22:04:20 +00:00
Chris Lattner
028449325b add COFF support for COMDAT sections, patch by Nathan Jeffords! 
llvm-svn: 103304
 2010-05-07 21:49:09 +00:00
Kevin Enderby
51bed9c870 Fix i386 relocations to Weak Definitions. The relocation entries should be 
external and the item to be relocated should not have the address of the
symbol added in.

llvm-svn: 103302
 2010-05-07 21:44:23 +00:00
Dale Johannesen
51c1695a0a Fix PR 7087, and probably other things, by extending 
getConstantFP to accept the two supported long double
target types.  This was not the original intent, but
there are other places that assume this works and it's
easy enough to do.

llvm-svn: 103299
 2010-05-07 21:35:53 +00:00
Devang Patel
32cc43c242 Wrap const MDNode * inside DIDescriptor. 
llvm-svn: 103295
 2010-05-07 20:54:48 +00:00
Devang Patel
8ae34dbd34 remove DIDescriptor::getNode() 
llvm-svn: 103278
 2010-05-07 18:36:34 +00:00
Devang Patel
cfa8e9d45f Avoid DIDescriptor::getNode(). Use overloaded operators instead. 
llvm-svn: 103272
 2010-05-07 18:11:54 +00:00
Chris Lattner
87cffa9498 switch MCSectionCOFF from a syntactic to semantic representation, 
patch by Peter Housel!

llvm-svn: 103267
 2010-05-07 17:17:41 +00:00