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160a3bf74d
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Author SHA1 Message Date
Jakob Stoklund Olesen
160a3bf74d Add StringRef::compare_numeric and use it to sort TableGen register records. 
This means that our Registers are now ordered R7, R8, R9, R10, R12, ...
Not R1, R10, R11, R12, R2, R3, ...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104745 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 21:47:28 +00:00
Dan Gohman
113b3e2c6e Implement checking of the tail keyword. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104744 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 21:46:36 +00:00
Jakob Stoklund Olesen
f86a619314 Suppress emmission of empty subreg/superreg/alias sets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104741 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 21:35:55 +00:00
Devang Patel
77051f58e9 There is no need to force an line number entry (using previous location) for a temp label at unknown location. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104740 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 21:23:46 +00:00
Bill Wendling
8d717c7d99 Add "setjmp_syscall", "savectx", "qsetjmp", "vfork", "getcontext" to the list of 
usual suspects that could "return twice".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104737 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 20:39:00 +00:00
Daniel Dunbar
83194de76a MC: When running with -mc-relax-all, we can eagerly relax instructions and avoid creating unnecessary MCInstFragments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104736 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 20:37:03 +00:00
Daniel Dunbar
2ac0c453b2 MC/Mach-O: Factor out EmitInstTo{Fragment,Data} for emitting MCInst's as MCInstFragments or appending onto an MCDataFragment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104735 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 20:37:00 +00:00
Jim Grosbach
23ff7cff52 Adjust eh.sjlj.setjmp to properly have a chain and to have an opcode entry in 
ISD::. No functional change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104734 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 20:22:18 +00:00
Devang Patel
394427b014 Update debug info when live-in reg is copied into a vreg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104732 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 20:18:50 +00:00
Kevin Enderby
b106543592 Fix the x86 move to/from segment register instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104731 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 20:10:45 +00:00
Bill Wendling
9af7e9a1b5 Move the check for "calls setjmp" to SelectionDAGISel so that it can be used by 
more than just the stack slot coloring algorithm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104722 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 19:46:12 +00:00
Devang Patel
b2b31a6f93 Identify instructions, that needs a label to mark debug info entity, in advance. This simplifies beginScope(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104720 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 19:37:24 +00:00
Dan Gohman
93d3433579 Eliminate the use of PriorityQueue and just use a std::vector, 
implementing pop with a linear search for a "best" element. The priority
queue was a neat idea, but in practice the comparison functions depend
on dynamic information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104718 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 18:52:00 +00:00
Dan Gohman
f0f1bfe89a Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104717 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 18:37:48 +00:00
Dan Gohman
d89c258051 Delete an unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104716 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 18:34:12 +00:00
Daniel Dunbar
95506d40c5 MC: Change RelaxInstruction to only take the input and output instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104713 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 18:15:06 +00:00
Dan Gohman
d9c2af5409 Fix a typo in a comment that Gabor noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104711 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 18:03:53 +00:00
Dale Johannesen
b09e793bf9 Testcase for 104624/104619/PR7191/8023512. 
Reduced from one provided by Duncan Sands, thanks!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 17:55:45 +00:00
Daniel Dunbar
dae5b9f804 MC: Eliminate an unnecessary copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 17:50:16 +00:00
Daniel Dunbar
8488252855 MC: Simplify MayNeedRelaxation to not provide the fixups, so we can query it 
before encoding.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104707 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 17:45:29 +00:00
Devang Patel
b21a758bc2 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104706 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 17:42:50 +00:00
Devang Patel
e2df84254d Do not construct location list backword! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104705 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 17:29:32 +00:00
Jakob Stoklund Olesen
ca561ffcf3 Replace the SubRegSet tablegen class with a less error-prone mechanism. 
A Register with subregisters must also provide SubRegIndices for adressing the
subregisters. TableGen automatically inherits indices for sub-subregisters to
minimize typing.

CompositeIndices may be specified for the weirder cases such as the XMM sub_sd
index that returns the same register, and ARM NEON Q registers where both D
subregs have ssub_0 and ssub_1 sub-subregs.

It is now required that all subregisters are named by an index, and a future
patch will also require inherited subregisters to be named. This is necessary to
allow composite subregister indices to be reduced to a single index.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104704 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 17:27:12 +00:00
Jim Grosbach
90346e2261 Add entry for llvm.eh.sjlj.longjmp. PR4999. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104703 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 16:21:41 +00:00
Daniel Dunbar
c90e30aa6f MC: Eliminate MCAsmFixup, replace with MCFixup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 15:18:56 +00:00
Daniel Dunbar
0dd0c941c9 MC: Simplify MCFixup and increase the available offset size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104698 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 15:18:40 +00:00
Daniel Dunbar
482ad802f1 MC: Use accessors for access to MCAsmFixup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104697 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 15:18:31 +00:00
Daniel Dunbar
c9adb8c61e MC: Change MCInst::dump_pretty to not include a trailing newline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104696 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 15:18:13 +00:00
Benjamin Kramer
1464c1d60a Kill unneeded SExt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 09:45:04 +00:00
Zhongxing Xu
c2798a18a7 SRetReturnReg was set in LowerFormalArguments(). So only assert it here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104691 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 08:10:02 +00:00
Daniel Dunbar
e614e393c7 MC: Eliminate MCFragment vtable, which was unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104689 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 06:50:57 +00:00
Shih-wei Liao
9f3b6a381a Coding style change (Adding 1 missing space.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104670 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 04:46:50 +00:00
Shih-wei Liao
45469f38b6 Adding the missing implementation for ARM::SBFX and ARM::UBFX. 
Fixing http://llvm.org/bugs/show_bug.cgi?id=7225.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104667 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 03:21:39 +00:00
Eric Christopher
174e597d46 Temporarily revert r104655 as it's breaking the bots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104664 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 01:59:55 +00:00
Jim Grosbach
54e13eceff fix off by 1 (insn) error in eh.sjlj.setjmp thumb code sequence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104661 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 01:22:21 +00:00
Jakob Stoklund Olesen
b555609e73 Revert "Replace the SubRegSet tablegen class with a less error-prone mechanism." 
This reverts commit 104654.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104660 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 01:21:14 +00:00
Dan Gohman
a4e4ffd389 Change push_all to a non-virtual function and implement it in the 
base class, since all the implementations are the same.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104659 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 01:10:55 +00:00
Dan Gohman
4f98945132 Delete an unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104658 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 00:56:27 +00:00
Dan Gohman
5eabaa2d7c Trim #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104657 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 00:55:59 +00:00
Bill Wendling
be22683202 Dale and Evan suggested putting the "check for setjmp" much earlier in the 
machine code generation. That's a good idea, so I made it so.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104655 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 00:32:40 +00:00
Jakob Stoklund Olesen
6a45d681e5 Replace the SubRegSet tablegen class with a less error-prone mechanism. 
A Register with subregisters must also provide SubRegIndices for adressing the
subregisters. TableGen automatically inherits indices for sub-subregisters to
minimize typing.

CompositeIndices may be specified for the weirder cases such as the XMM sub_sd
index that returns the same register, and ARM NEON Q registers where both D
subregs have ssub_0 and ssub_1 sub-subregs.

It is now required that all subregisters are named by an index, and a future
patch will also require inherited subregisters to be named. This is necessary to
allow composite subregister indices to be reduced to a single index.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104654 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 00:28:19 +00:00
Shih-wei Liao
6d37a29588 Adding the missing implementation of Bitfield's "clear" and "insert". 
Fixing http://llvm.org/bugs/show_bug.cgi?id=7222.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104653 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 00:25:05 +00:00
Shih-wei Liao
5170b71143 To handle s* registers in emitVFPLoadStoreMultipleInstruction(). 
Fixing http://llvm.org/bugs/show_bug.cgi?id=7221.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104652 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 00:02:28 +00:00
Eric Christopher
96ac5156ca Start adding mach-o tls reloc support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 00:02:12 +00:00
Jakob Stoklund Olesen
76f0ad7bf5 Drop the SuperregHashTable. It is essentially the same as SubregHashTable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104650 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 23:43:18 +00:00
Devang Patel
c3f5f783a2 First cut at supporting .debug_loc section. 
This is used to track variable information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104649 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 23:40:22 +00:00
Benjamin Kramer
48aefe15d0 Properly promote operands when optimizing a single-character memcmp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104648 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 22:53:43 +00:00
Bill Wendling
f10bc81b4e Constify function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104646 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 22:02:22 +00:00
Dan Gohman
eddc114a66 Do one map lookup instead of two. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104645 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 21:59:42 +00:00
Dan Gohman
5b71dcedf0 Fix a missing newline in debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104644 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 21:50:35 +00:00