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175 Commits

Author SHA1 Message Date
Dale Johannesen
fd967cf3fa 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.

llvm-svn: 49064
 2008-04-02 00:25:04 +00:00
Dale Johannesen
5e4e051c2a Revert 49006 for the moment. 
llvm-svn: 49046
 2008-04-01 20:00:57 +00:00
Dale Johannesen
7d02cf3c9c Emit exception handling info for functions which are 
not marked nounwind, or for all functions when -enable-eh
is set, provided the target supports Dwarf EH.

llvm-gcc generates nounwind in the right places; other FEs
will need to do so also.  Given such a FE, -enable-eh should
no longer be needed.

llvm-svn: 49006
 2008-03-31 23:40:23 +00:00
Evan Cheng
ddc58ff92a Smaller function alignment when optimizing for size. 
llvm-svn: 48805
 2008-03-25 22:29:46 +00:00
Dan Gohman
bdc24adaaf A quick nm audit turned up several fixed tables and objects that were 
marked read-write. Use const so that they can be allocated in a
read-only segment.

llvm-svn: 48800
 2008-03-25 21:45:14 +00:00
Evan Cheng
c799065cc3 Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries. 
llvm-svn: 47703
 2008-02-28 00:43:03 +00:00
Bill Wendling
c24ea4fb41 Change "Name" to "AsmName" in the target register info. Gee, a refactoring tool 
would have been a Godsend here!

llvm-svn: 47625
 2008-02-26 21:11:01 +00:00
Chris Lattner
7b1431785b Handle \n's in value names for more targets. The asm printers 
really really really need refactoring :(

llvm-svn: 47171
 2008-02-15 19:04:54 +00:00
Dale Johannesen
6ca3ccf519 Rewrite tblgen handling of subtarget features so 
it follows the order of the enum, not alphabetical.
The motivation is to make -mattr=+ssse3,+sse41
select SSE41 as it ought to.  Added "ignored"
enum values of 0 to PPC and SPU to avoid compiler
warnings.

llvm-svn: 47143
 2008-02-14 23:35:16 +00:00
Dan Gohman
3a4be0fdef Rename MRegisterInfo to TargetRegisterInfo. 
llvm-svn: 46930
 2008-02-10 18:45:23 +00:00
Nate Begeman
f3c89be368 Ident mnemonics appropriately 
llvm-svn: 46746
 2008-02-05 08:49:09 +00:00
Evan Cheng
32e5347eb8 Get rid of the annoying blank lines before labels. 
llvm-svn: 46667
 2008-02-02 08:39:46 +00:00
Bill Wendling
1a17ef02c8 If there's no instructions being emitted on X86 for a function, emit a 
nop. Emit the nop directly for PPC.

llvm-svn: 46398
 2008-01-26 09:03:52 +00:00
Bill Wendling
5079483957 If there are no machine instructions emitted for a function, then insert 
a "nop" instruction so that we don't have the function's label associated
with something that it's not supposed to be associated with.

llvm-svn: 46394
 2008-01-26 06:51:24 +00:00
Dale Johannesen
7f1ff5fedd Honor explicit section information on Darwin. 
llvm-svn: 46267
 2008-01-23 00:58:14 +00:00
Dale Johannesen
60a9855799 Revert the part of 45848 that treated weak globals 
as weak globals rather than commons.  While not wrong,
this change tickled a latent bug in Darwin's strip,
so revert it for now as a workaround.

llvm-svn: 46144
 2008-01-17 23:04:07 +00:00
Dale Johannesen
2ff66f08f2 Weak things initialized to 0 don't go in bss on Darwin. 
Cosmetic changes to spacing to match gcc (some dejagnu
tests actually care).

llvm-svn: 45848
 2008-01-11 00:54:37 +00:00
Chris Lattner
dcbc0f3029 leopard and above support alignment for common symbols. 
llvm-svn: 45493
 2008-01-02 19:35:16 +00:00
Chris Lattner
a5bb370aa4 Add new shorter predicates for testing machine operands for various types: 
e.g. MO.isMBB() instead of MO.isMachineBasicBlock().  I don't plan on 
switching everything over, so new clients should just start using the 
shorter names.

Remove old long accessors, switching everything over to use the short
accessor: getMachineBasicBlock() -> getMBB(), 
getConstantPoolIndex() -> getIndex(), setMachineBasicBlock -> setMBB(), etc.

llvm-svn: 45464
 2007-12-30 23:10:15 +00:00
Chris Lattner
5c4637816e Use MachineOperand::getImm instead of MachineOperand::getImmedValue. Likewise setImmedValue -> setImm 
llvm-svn: 45453
 2007-12-30 20:49:49 +00:00
Chris Lattner
f3ebc3f3d2 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Dale Johannesen
763e110a9f Fix .eh table linkage issues on Darwin. Some EH support 
for Darwin PPC, but it's not fully working yet.

llvm-svn: 44258
 2007-11-20 23:24:42 +00:00
Duncan Sands
283207a71c Eliminate the remaining uses of getTypeSize. This 
should only effect x86 when using long double.  Now
12/16 bytes are output for long double globals (the
exact amount depends on the alignment).  This brings
globals in line with the rest of LLVM: the space
reserved for an object is now always the ABI size.
One tricky point is that only 10 bytes should be
output for long double if it is a field in a packed
struct, which is the reason for the additional
argument to EmitGlobalConstant.

llvm-svn: 43688
 2007-11-05 00:04:43 +00:00
Nick Lewycky
d954dcd138 Fix crash before main on ppc/linux with static constructors. PR1771 
llvm-svn: 43676
 2007-11-04 17:32:10 +00:00
Evan Cheng
cdf3609130 Revert 42908 for now. 
llvm-svn: 42960
 2007-10-14 05:57:21 +00:00
Dan Gohman
dc35bd79ca Change the names used for internal labels to use the current 
function symbol name instead of a codegen-assigned function
number.

Thanks Evan! :-)

llvm-svn: 42908
 2007-10-12 14:53:36 +00:00
Dan Gohman
c731c97fac Use empty() member functions when that's what's being tested for instead 
of comparing begin() and end().

llvm-svn: 42585
 2007-10-03 19:26:29 +00:00
Evan Cheng
1ff71872c2 Honor user-defined section specification of a global, ignores whether its initializer is null. 
llvm-svn: 42182
 2007-09-21 00:41:19 +00:00
Devang Patel
d29f938335 Do not override user specified section. 
llvm-svn: 42179
 2007-09-20 23:07:37 +00:00
Dan Gohman
9da02f5ee2 Remove isReg, isImm, and isMBB, and change all their users to use 
isRegister, isImmediate, and isMachineBasicBlock, which are equivalent,
and more popular.

llvm-svn: 41958
 2007-09-14 20:33:02 +00:00
Dan Gohman
cf0a5349de Don't ignore the return value of AsmPrinter::doInitialization and 
AsmPrinter::doFinalization.

llvm-svn: 40487
 2007-07-25 19:33:14 +00:00
Nick Lewycky
5805c46e8f Fix debug info and globals filled with zeros. 
llvm-svn: 40483
 2007-07-25 03:48:45 +00:00
Chris Lattner
c1a2a3b344 add support for printing offset of global 
llvm-svn: 36667
 2007-05-03 16:39:48 +00:00
Chris Lattner
cb35c61a4b Fix PR1351 and CodeGen/PowerPC/2007-04-24-InlineAsm-I-Modifier.ll 
llvm-svn: 36410
 2007-04-24 22:51:03 +00:00
Evan Cheng
ddf082082c Putting more constants which do not contain relocations into .literal{4|8|16} 
llvm-svn: 35026
 2007-03-08 08:31:54 +00:00
Evan Cheng
d918477ac3 For Darwin, put constant data into .const, .const_data, .literal{4|8|16} 
sections.

llvm-svn: 35017
 2007-03-08 01:25:25 +00:00
Nick Lewycky
e6049c2f08 Emit low/high immediate loads properly for Linux/PPC. 
llvm-svn: 34871
 2007-03-03 05:29:51 +00:00
Jim Laskey
18fc09723c Add support for changes in DwarfWriter. 
llvm-svn: 34478
 2007-02-21 22:47:38 +00:00
Chris Lattner
f7937005a3 Fix CodeGen/PowerPC/2007-01-31-InlineAsmAddrMode.ll 
llvm-svn: 33732
 2007-02-01 00:39:08 +00:00
Reid Spencer
5301e7c605 For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.

llvm-svn: 33663
 2007-01-30 20:08:39 +00:00
Evan Cheng
0e083d0161 Darwin -static should codegen static ctors / dtors to .constructor / .destructor sections. 
llvm-svn: 33657
 2007-01-30 08:04:53 +00:00
Jim Laskey
c56315c2b5 Change the MachineDebugInfo to MachineModuleInfo to better reflect usage 
for debugging and exception handling.

llvm-svn: 33550
 2007-01-26 21:22:28 +00:00
Chris Lattner
48518548bd Fix test/CFrontend/2007-01-24-InlineAsmCModifier.c on PPC 
llvm-svn: 33494
 2007-01-25 02:52:50 +00:00
Chris Lattner
3c84b551db add support for hidden visibility to darwin/ppc and linux/ppc targets 
llvm-svn: 33200
 2007-01-14 06:37:54 +00:00
Jim Laskey
28663c73ef Changes from Nick Lewycky with a simplified PPCTargetAsmInfo. 
llvm-svn: 32735
 2006-12-21 20:26:09 +00:00
Jim Laskey
4c90a6df16 Oops. 
llvm-svn: 32724
 2006-12-20 21:35:00 +00:00
Jim Laskey
c2c861d00e Original patch was overly complicated. 
llvm-svn: 32723
 2006-12-20 21:33:34 +00:00
Jim Laskey
41621a72f5 Changes to target powerpc for non-Darwin assemblers. 
1. Patches from Nick Lewycky.
2. Code to filter register names and print them as numeric values on
non-Darwin systems.

llvm-svn: 32721
 2006-12-20 20:56:46 +00:00
Chris Lattner
1ef9cd400d eliminate static ctors for Statistic objects. 
llvm-svn: 32703
 2006-12-19 22:59:26 +00:00
Rafael Espindola
d7998d0e6d move ExtWeakSymbols to AsmPrinter 
llvm-svn: 32648
 2006-12-18 03:37:18 +00:00