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Author SHA1 Message Date
Evan Cheng
736f89b1c1 Teach local regalloc about virtual registers with sub-indices. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103539 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-12 01:29:36 +00:00
Evan Cheng
3ae56bcd8a Code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-12 01:27:49 +00:00
Daniel Dunbar
0481449a05 MC/X86: Extend suffix matching hack to match 'q' suffix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103535 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-12 00:54:20 +00:00
Nathan Jeffords
624d466a67 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103534 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-12 00:52:54 +00:00
Daniel Dunbar
a5f1d57f65 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103532 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-12 00:38:17 +00:00
Jakob Stoklund Olesen
85f4fdaed4 Enable a bunch more -regalloc=fast tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103531 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-12 00:11:24 +00:00
Jakob Stoklund Olesen
1a1ad578a3 Avoid scoping issues, fix buildbots 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103530 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-12 00:11:19 +00:00
Dan Gohman
a6cb641f48 Add initial kill flag support to FastISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103529 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 23:54:07 +00:00
Daniel Dunbar
0efd768aea Make Clang happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103528 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 23:53:13 +00:00
Daniel Dunbar
db4c7e606f MC/Mach-O/x86_64: Fix PCrel adjustment for x86_64, which was using the fixup 
offset instead of the fixup address as intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103527 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 23:53:11 +00:00
Daniel Dunbar
640e948f09 MC/Mach-O: As Kevin pointed out, 'Address' is really an offset -- rename to clarify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103526 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 23:53:07 +00:00
Daniel Dunbar
ef4591ef79 MC/Mach-O: Fix a crash on invalid. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103525 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 23:53:05 +00:00
Jeffrey Yasskin
6865f29fe7 Fix PR6951 by fixing Module leaks in bugpoint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103523 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 23:25:16 +00:00
Jakob Stoklund Olesen
210e2afcc7 Store the Dirty bit in the LiveReg structure instead of a bit vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103522 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 23:24:47 +00:00
Jakob Stoklund Olesen
76b4d5a021 Keep track of the last place a live virtreg was used. 
This allows us to add accurate kill markers, something the scavenger likes.
Add some more tests from ARM that needed this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103521 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 23:24:45 +00:00
Dan Gohman
9d7019f586 Don't set kill flags on uses of CopyFromReg nodes. InstrEmitter doesn't 
create separate virtual registers for CopyFromReg values, so uses of
them don't necessarily kill the value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103519 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 21:59:14 +00:00
Evan Cheng
9647f3d981 Avoid breaking vstd when reg_sequence is not used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103513 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 21:07:36 +00:00
Jakob Stoklund Olesen
a44c1223cd One more -regalloc=fast test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103509 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 20:51:07 +00:00
Jakob Stoklund Olesen
8e8b3cb937 Silence warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103508 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 20:51:04 +00:00
Bill Wendling
f6d8481ada Simplify this logic of creating a default Features object. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103507 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 20:46:04 +00:00
Jakob Stoklund Olesen
82b07dc499 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103500 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 20:30:28 +00:00
Dan Gohman
d42718080f Revert r103493, materializing functions in the regular PassManager. 
It works in simple cases, but it isn't a general solution.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103499 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 20:30:00 +00:00
Duncan Sands
16d8f8bd91 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103495 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 20:16:09 +00:00
Dan Gohman
124b55dded Teach the regular pass manager how to materialize functions as needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103493 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 19:58:43 +00:00
Dan Gohman
99dca4fde7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103492 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 19:57:55 +00:00
Dan Gohman
038df88e28 Trim #includes and forward declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103489 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 19:11:43 +00:00
Jakob Stoklund Olesen
bbf33b38aa Mostly rewrite RegAllocFast. 
Sorry for the big change. The path leading up to this patch had some TableGen
changes that I didn't want to commit before I knew they were useful. They
weren't, and this version does not need them.

The fast register allocator now does no liveness calculations. Instead it relies
on kill flags provided by isel. (Currently those kill flags are also ignored due
to isel bugs). The allocation algorithm is supposed to work with any subset of
valid kill flags. More kill flags simply means fewer spills inserted.

Registers are allocated from a working set that contains no aliases. That means
most allocations can be done directly without expensive alias checks. When the
working set runs out of registers we do the full alias check to find new free
registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103488 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 18:54:45 +00:00
Dan Gohman
17c4a621fe Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103483 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 18:03:41 +00:00
Dan Gohman
ff7a562751 Implement a bunch more TargetSelectionDAGInfo infrastructure. 
Move EmitTargetCodeForMemcpy, EmitTargetCodeForMemset, and
EmitTargetCodeForMemmove out of TargetLowering and into
SelectionDAGInfo to exercise this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103481 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 17:31:57 +00:00
Daniel Dunbar
651804c3d6 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103480 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 17:22:50 +00:00
Daniel Dunbar
c9d0c4e801 Test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103479 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 17:22:45 +00:00
Tanya Lattner
10934e881d Test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103478 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 16:47:42 +00:00
Tanya Lattner
e924ab5037 Test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103477 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 16:46:45 +00:00
Dan Gohman
419e4f9263 Remove the TargetLowering::getSubtarget() virtual function, which 
was unused. TargetMachine::getSubtarget() is used instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103474 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 16:21:03 +00:00
Kalle Raiskila
2320a44b90 Make SPU backend not assert on jump tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103466 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 11:00:02 +00:00
Evan Cheng
fb3611daad Select @llvm.trap to the special B with 1111 condition (i.e. trap) instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103459 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 07:26:32 +00:00
Douglas Gregor
7d9663c70b Fixes for Microsoft Visual Studio 2010, from Steven Watanabe! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103457 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 06:17:44 +00:00
Bill Wendling
3cbae239bb Don't create a StringRef with a NULL value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103455 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 01:33:39 +00:00
Sean Callanan
972bf8dea1 Extended the edis "IsBranch" property to call 
instructions as well.  Added support for checking
this to the llvm-mc tester as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 01:27:08 +00:00
Evan Cheng
0ce537a9db Model some vst3 and vst4 with reg_sequence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 01:19:40 +00:00
Bill Wendling
81043ee5dc 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103451 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 00:30:02 +00:00
Evan Cheng
31b9c44cc1 It's not safe eliminate copies where src and dst have different sub-register indices. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103450 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 00:20:03 +00:00
Evan Cheng
0bcccac504 Ensure REG_SEQUENCE source operands are unique. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103449 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-11 00:04:31 +00:00
Daniel Dunbar
a8251fac10 MC/Mach-O: Fix another mismatch with .weak_definition, we shouldn't use a 
scattered relocation entry with a .weak_definition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103443 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-10 23:15:20 +00:00
Daniel Dunbar
e9460ec057 MC/Mach-O: Factor out doesSymbolRequireExternRelocation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103442 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-10 23:15:13 +00:00
Evan Cheng
60ffa9467b Indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103441 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-10 23:08:19 +00:00
Devang Patel
163a9f7c5f Enable multiple Compile Units in one module. 
This means now 'llvm-ld a.bc b.bc' will preserve debug info appropriately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-10 22:49:55 +00:00
Daniel Dunbar
071f73db4a MC/Mach-O: Explicitly track atoms, as represented by their defining symbol, for each fragment (not yet used). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103438 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-10 22:45:09 +00:00
Evan Cheng
e9e2ba05de Model some vld3 instructions with REG_SEQUENCE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103437 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-10 21:26:24 +00:00
Evan Cheng
9cc9bfaf86 It's not safe to propagate implicit_def that defines part of a register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103436 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-10 21:25:30 +00:00