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3d63455016
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140 Commits

Author SHA1 Message Date
Chris Lattner
3d63455016 make SectionKindForGlobal target independent, and therefore non-virtual. 
It's classifications now include elf-specific discriminators.  Targets
that don't have these features (like darwin and pecoff) simply treat
data.rel like data, etc.

llvm-svn: 76993
 2009-07-24 19:15:47 +00:00
Chris Lattner
5af94066ee we already know the sectionkind when invoking SelectSectionForGlobal, 
pass it in instead of recomputing it.

llvm-svn: 76990
 2009-07-24 18:42:53 +00:00
Chris Lattner
cc951ce3cb make SectionForGlobal non-virtual, add a hook for pic16 to do its "address=" hack. 
llvm-svn: 76989
 2009-07-24 18:34:27 +00:00
Chris Lattner
37abb9f4ba move ELF-specific code into ELFTargetAsmInfo. 
llvm-svn: 76976
 2009-07-24 17:02:17 +00:00
Chris Lattner
6e4d35f825 make SectionFlagsForGlobal a private static function instead of a public 
virtual one.

llvm-svn: 76973
 2009-07-24 16:46:50 +00:00
Chris Lattner
4bb9a9a7d3 Replace UniqueSectionForGlobal with getSectionPrefixForUniqueGlobal. 
The later doesn't depend on any crazy LLVM IR stuff, and this
pulls the concatenation of prefix with GV name (the root problem behind
PR4584) out one level.

llvm-svn: 76948
 2009-07-24 04:49:34 +00:00
Chris Lattner
a82421ce2f document SectionFlags::Named better and make it more easily greppable by 
eliminating isNamed.

llvm-svn: 76946
 2009-07-24 04:26:19 +00:00
Chris Lattner
13611a24d8 use section flags more correctly. 
llvm-svn: 76944
 2009-07-24 04:08:17 +00:00
Chris Lattner
b7fcec2e8c remove more bits of small section support. 
llvm-svn: 76937
 2009-07-24 03:16:53 +00:00
Chris Lattner
09511ed243 Remove SectionKind::Small*. This was only used on mips, and is apparently 
a sad mistake that is regretted. :)

llvm-svn: 76935
 2009-07-24 03:11:51 +00:00
Dan Gohman
62c8b40b66 Remove the IA-64 backend. 
llvm-svn: 76920
 2009-07-24 00:30:09 +00:00
Chris Lattner
a3b58f4ecd remove SectionFlags::Small: it is only used on Xcore, and we'll find 
a better solution for it in the future.

llvm-svn: 76818
 2009-07-22 23:27:22 +00:00
Chris Lattner
e2bd5bc939 remove the SelectSectionForMachineConst hook, replacing it with 
a new getSectionForMergableConstant hook.  This removes one dependence
of TAI on Type, and provides the hook with enough info to make the 
right decision based on whether the global has relocations etc.

llvm-svn: 76705
 2009-07-22 00:28:43 +00:00
Chris Lattner
b9332126cc Now that RelocBehaviour() is never overloaded, it doesn't need to be 
virtual.  Just inline it into its two current call sites in preparation
for simplifying the code.

llvm-svn: 76686
 2009-07-21 23:47:11 +00:00
Chris Lattner
8e84f6e70e improve comments. 
llvm-svn: 76660
 2009-07-21 22:30:25 +00:00
Chris Lattner
0f65fbf095 Rename LessPrivateGlobalPrefix -> LinkerPrivateGlobalPrefix to match the 
LLVM IR concept.

llvm-svn: 76590
 2009-07-21 17:30:51 +00:00
David Greene
1ac6d4ac0e Re-apply 75490, 75806 and 76177 with fixes and tests. Efficiency comes 
next.

llvm-svn: 76486
 2009-07-20 22:02:59 +00:00
Chris Lattner
1f82d9a94c remove TargetAsmInfo::ExpandInlineAsm 
llvm-svn: 76445
 2009-07-20 17:59:32 +00:00
Chris Lattner
eebe4b24c3 add some fixme's and cleanups. TargetAsmInfo shouldn't depend on VMCore eventually. 
llvm-svn: 76439
 2009-07-20 17:47:48 +00:00
Chris Lattner
19134c0748 rename TargetAsmInfo::getASDirective -> getDataASDirective 
llvm-svn: 76431
 2009-07-20 17:12:46 +00:00
Evan Cheng
fe529a2c29 Revert 76177 for now. It's messing up ARM asm printing. Also this significant debate about its efficiency. 
llvm-svn: 76279
 2009-07-18 01:43:53 +00:00
Chris Lattner
ffe0c407be Untangle a snarl that I discovered when updating the mangler, 
starting in getCurrentFunctionEHName.  Among other problems,
we would try to privative a "foo.eh" label, but end up emitting
the label as _Lfoo.eh instead of L_foo.eh on darwin.  This is really
bad, and the linker has always tolerated these labels existing.
For now, just emit them as _foo.eh.

This patch also fixes problems with ".eh" labels on unnamed
functions and eliminates two strangely defined TargetAsmInfo
hooks.

llvm-svn: 76231
 2009-07-17 20:46:40 +00:00
David Greene
70e8a51127 Add logic to align instruction operands to columns for pretty-printing. 
No target uses this currently.  This patch only adds the mechanism so
that local installations can choose to enable this.

llvm-svn: 76177
 2009-07-17 14:24:46 +00:00
Duncan Sands
765b981647 Remove StringConstantPrefix now that the only user 
(llvm-gcc) has gone.

llvm-svn: 75781
 2009-07-15 12:39:48 +00:00
Dan Gohman
19222a6572 Delete a spurious const. 
llvm-svn: 75493
 2009-07-13 20:46:11 +00:00
David Greene
814f6a648f Add infrastructure to allow post instruction printing action triggers. 
We'll eventually use this to print comments in asm files and do other
fun things.

This adds interfaces to the AsmPrinter and changes TableGen to invoke
the postInstructionAction when appropriate.  It also add parameters to
TargetAsmInfo to control comment layout.

llvm-svn: 75490
 2009-07-13 20:25:48 +00:00
Chris Lattner
c2b0fd0304 merge the common darwin settings from the X86/PPC/ARM targets 
into DarwinTargetAsmInfo.cpp.  The remaining differences should
be evaluated.  It seems strange that x86/arm has .zerofill but ppc
doesn't, etc.

llvm-svn: 73742
 2009-06-19 00:08:39 +00:00
Chris Lattner
6cd267dcc5 move mangler quote handling from asm printers to TargetAsmInfo. 
llvm-svn: 73738
 2009-06-18 23:41:35 +00:00
Chris Lattner
ea0ea2f4bc simplify macro debug info directive handling. 
llvm-svn: 73736
 2009-06-18 23:31:37 +00:00
Sanjiv Gupta
20d1683822 Add directive to declare external globals. 
llvm-svn: 70379
 2009-04-29 08:23:18 +00:00
Devang Patel
ad7f61c279 Reapply 68847. 
Now debug_inlined section is covered by TAI->doesDwarfUsesInlineInfoSection(), which is false by default.

llvm-svn: 68964
 2009-04-13 17:02:03 +00:00
Dan Gohman
ac11c8d30f Revert r68847. It breaks the build on non-Darwin targets, with this message 
from the assembler:

Error: unknown pseudo-op: `.debug_inlined'
llvm-svn: 68863
 2009-04-11 15:57:04 +00:00
Devang Patel
6f907173e0 Keep track of inlined functions and their locations. This information is collected when nested llvm.dbg.func.start intrinsics are seen. (Right now, inliner removes nested llvm.dbg.func.start intrinisics during inlining.) 
Create debug_inlined dwarf section using these information. This info is used by gdb, at least on Darwin, to enable better experience debugging inlined functions. See DwarfWriter.cpp for more information on structure of debug_inlined section.

llvm-svn: 68847
 2009-04-11 00:16:47 +00:00
Anton Korobeynikov
2ea565a37b Add data.rel stuff 
llvm-svn: 68031
 2009-03-30 15:27:03 +00:00
Anton Korobeynikov
ec131d94ff Honour relocation behaviour stuff for ro objects 
llvm-svn: 68005
 2009-03-29 17:13:49 +00:00
Chris Lattner
2291a8be5e add a friend needed by a stringmap change. 
llvm-svn: 63706
 2009-02-04 01:51:53 +00:00
Sanjiv Gupta
c47a19b23e Made the common case of default address space directive as non-virtual for performance reasons. Provide a single virtual interface for directives of all sizes in non-default address spaces. 
llvm-svn: 63521
 2009-02-02 16:53:06 +00:00
Sanjiv Gupta
e442452ade Enable emitting of constant values in non-default address space as well. The APIs emitting constants now take an additional parameter signifying the address space in which to emit. The APIs like getData8BitsDirective() etc are made virtual enabling targets to be able to define appropirate directivers for various sizes and address spaces. 
llvm-svn: 63377
 2009-01-30 04:25:10 +00:00
Scott Michel
56fa9ba0b6 Make the Dwarf macro information section optional; CellSPU's assembler 
doesn't support it. The default is set to 'true', so this should not
impact any other target backends.

llvm-svn: 63058
 2009-01-26 22:32:51 +00:00
Bill Wendling
891f9abdbb Revert r61415 and r61484. Duncan was correct that these weren't needed. 
llvm-svn: 61765
 2009-01-05 22:53:45 +00:00
Bill Wendling
067c48f7a6 Linux wants the FDE initial location and address range to be forced to 32-bit. 
Darwin doesn't. Make this optional for platforms.

llvm-svn: 61484
 2008-12-29 22:12:11 +00:00
Bill Wendling
044248aad1 Darwin likes for the EH frame to be non-local. 
llvm-svn: 61420
 2008-12-24 08:05:17 +00:00
Bill Wendling
6add893a14 GCC doesn't emit DW_EH_PE_sdata4 for the FDE encoding on Darwin. I'm not sure 
about other platforms.

llvm-svn: 61415
 2008-12-24 05:25:49 +00:00
Rafael Espindola
7593f0004f Fix bug 3202. 
The EH_frame and .eh symbols are now private, except for darwin9 and earlier.
The patch also fixes the definition of PrivateGlobalPrefix on pcc linux.

llvm-svn: 61242
 2008-12-19 10:55:56 +00:00
Rafael Espindola
0c800cf35e Fix bug 3140. 
Print a single parameter .file directive if we have an ELF target.

llvm-svn: 60480
 2008-12-03 11:01:37 +00:00
Dan Gohman
155df8a79e Refactor various TargetAsmInfo subclasses' TargetMachine members away 
adding a TargetMachine member to the base TargetAsmInfo class instead.

llvm-svn: 58624
 2008-11-03 18:22:42 +00:00
Anton Korobeynikov
7367de00cf Reapply 56585:56589 with proper fix for some gcc versions 
llvm-svn: 56621
 2008-09-25 21:00:33 +00:00
Evan Cheng
12a67b5226 Temporarily backing out 56585:56589 to unbreak the build. 
llvm-svn: 56607
 2008-09-25 07:38:08 +00:00
Anton Korobeynikov
9e5cbcc134 Use crazy template-based inheritance instead of virtual one. 
llvm-svn: 56585
 2008-09-24 22:21:39 +00:00
Anton Korobeynikov
b9294473f0 Get rid of ReadOnlySection duplicate 
llvm-svn: 56582
 2008-09-24 22:20:27 +00:00