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Commit Graph

1218 Commits

Author SHA1 Message Date
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
2ef030ec2e inline the two MergeableConstSection implementations into their
only caller.

llvm-svn: 76710
2009-07-22 00:47:11 +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
Evan Cheng
82499c09ff Let each target determines whether a machine instruction is dead. If true, that allows late codeine passes to delete it.
This is considered a workaround. The problem is some targets are not modeling side effects correctly. PPC is apparently one of those. This patch allows ppc llvm-gcc to bootstrap on Darwin. Once we find out which instruction definitions are wrong, we can remove the PPCInstrInfo workaround.

llvm-svn: 76703
2009-07-22 00:25:27 +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
Bruno Cardoso Lopes
3483574772 Change ELFCodeEmitter logic to emit the constant pool and jump tables to
their appropriate sections before the code itself. They need to be emitted
before the function because on some targets (x86 but not x86_64) the later
may reference a JT or CP entry address

llvm-svn: 76672
2009-07-21 23:13:26 +00:00
Chris Lattner
b52c8153f3 make some stuff private.
llvm-svn: 76661
2009-07-21 22:30:39 +00:00
Chris Lattner
8e84f6e70e improve comments.
llvm-svn: 76660
2009-07-21 22:30:25 +00:00
Chris Lattner
8d061f011b inline a trivial method into its only call site and fix indentation of cases
llvm-svn: 76654
2009-07-21 21:29:08 +00:00
Chris Lattner
4815d4919c Remove some overridden functions in XCoreTargetAsmInfo that are
implemented exactly the same way as its ELFTargetAsmInfo subclass 
has them.

llvm-svn: 76653
2009-07-21 21:26:32 +00:00
Eli Friedman
45160af6bd Remove shift amount flavor. It isn't actually complete enough to
be useful, and it's currently unused.  (Some issues: it isn't actually 
rich enough to capture the semantics on many architectures, and
semantics can vary depending on the type being shifted.)

llvm-svn: 76633
2009-07-21 20:12:16 +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
Eli Friedman
2f54456ce5 Remove FIXME that was already fixed.
llvm-svn: 76457
2009-07-20 19:45:16 +00:00
Daniel Dunbar
fca75cd98e Add MCAsmParser interface.
- This provides the AsmParser interface to the target specific assembly
   parsers.

llvm-svn: 76453
2009-07-20 18:55:04 +00:00
Chris Lattner
1f82d9a94c remove TargetAsmInfo::ExpandInlineAsm
llvm-svn: 76445
2009-07-20 17:59:32 +00:00
Chris Lattner
72b24cbbf6 Copy ExpandInlineAsm to TargetLowering from TargetAsmInfo.
llvm-svn: 76441
2009-07-20 17:51:36 +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
eea9732c93 remove dead forward decl
llvm-svn: 76433
2009-07-20 17:23:00 +00:00
Chris Lattner
19134c0748 rename TargetAsmInfo::getASDirective -> getDataASDirective
llvm-svn: 76431
2009-07-20 17:12:46 +00:00
Bruno Cardoso Lopes
b47b093de2 For PC relative relocations where symbols are defined in the same section they
are referenced, ignore the relocation entry and patch the relocatable field with
the computed symbol offset directly

llvm-svn: 76414
2009-07-20 08:52:02 +00:00
Bruno Cardoso Lopes
84568ea6f1 Use R_X86_64_32S to handle Jump Table Index relocation entries. Hide TAI usage inside getSection* functions
llvm-svn: 76347
2009-07-18 23:24:01 +00:00
Daniel Dunbar
cf7334116f Add some missing includes.
llvm-svn: 76346
2009-07-18 23:22:46 +00:00
Bruno Cardoso Lopes
fc0fe7ea20 Use a better name for the label relocations while emitting them for Jump Tables
llvm-svn: 76334
2009-07-18 20:52:11 +00:00
Bruno Cardoso Lopes
d5eafae1fd Add support to properly reference private symbols on relocation entries.
Use proper relocation type to build relocations for JumpTables (rodata
sections).

llvm-svn: 76326
2009-07-18 19:30:09 +00:00
Evan Cheng
84f06f0ee6 Enable cross register class coalescing.
llvm-svn: 76281
2009-07-18 02:10:10 +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
Daniel Dunbar
ec0fd7ebe5 Add llvm::InitializeAllTargetInfos and llvm::InitializeAllAsmParsers.
llvm-svn: 76253
2009-07-17 22:35:35 +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
Daniel Dunbar
de011196a4 Sketch support for target specific assembly parser.
- Not fully enabled yet, need a configure regeneration.

llvm-svn: 76230
2009-07-17 20:42:00 +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
Evan Cheng
7a6b20df7f Let callers decide the sub-register index on the def operand of rematerialized instructions.
Avoid remat'ing instructions whose def have sub-register indices for now. It's just really really hard to get all the cases right.

llvm-svn: 75900
2009-07-16 09:20:10 +00:00
Daniel Dunbar
e83e53b46f Kill off last uses of TargetMachineRegistry class.
llvm-svn: 75892
2009-07-16 02:41:19 +00:00
Daniel Dunbar
88881650c6 Fix gcc 4.0 build failure, can't rely on access inside nested friended class.
llvm-svn: 75891
2009-07-16 02:38:28 +00:00
Daniel Dunbar
ffc135d4d5 Add registered target list to --version output.
llvm-svn: 75889
2009-07-16 02:06:09 +00:00
Daniel Dunbar
4ff7d8f6c9 Add explicit comment that clients can call target initialization functions
multiple times.

llvm-svn: 75880
2009-07-16 01:13:00 +00:00
Daniel Dunbar
4771afe104 Lift addAssemblyEmitter into LLVMTargetMachine.
- No functionality change.

llvm-svn: 75859
2009-07-15 23:34:19 +00:00
Daniel Dunbar
d85e8b6334 Lift DumpAsm / -print-emitted-asm functionality into LLVMTargetMachine.
- No intended functionality change.

llvm-svn: 75848
2009-07-15 22:33:19 +00:00
Daniel Dunbar
5707dd7f73 Reapply TargetRegistry refactoring commits.
--- Reverse-merging r75799 into '.':
 U   test/Analysis/PointerTracking
U    include/llvm/Target/TargetMachineRegistry.h
U    include/llvm/Target/TargetMachine.h
U    include/llvm/Target/TargetRegistry.h
U    include/llvm/Target/TargetSelect.h
U    tools/lto/LTOCodeGenerator.cpp
U    tools/lto/LTOModule.cpp
U    tools/llc/llc.cpp
U    lib/Target/PowerPC/PPCTargetMachine.h
U    lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
U    lib/Target/PowerPC/PPCTargetMachine.cpp
U    lib/Target/PowerPC/PPC.h
U    lib/Target/ARM/ARMTargetMachine.cpp
U    lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
U    lib/Target/ARM/ARMTargetMachine.h
U    lib/Target/ARM/ARM.h
U    lib/Target/XCore/XCoreTargetMachine.cpp
U    lib/Target/XCore/XCoreTargetMachine.h
U    lib/Target/PIC16/PIC16TargetMachine.cpp
U    lib/Target/PIC16/PIC16TargetMachine.h
U    lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
U    lib/Target/Alpha/AlphaTargetMachine.cpp
U    lib/Target/Alpha/AlphaTargetMachine.h
U    lib/Target/X86/X86TargetMachine.h
U    lib/Target/X86/X86.h
U    lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
U    lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
U    lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h
U    lib/Target/X86/X86TargetMachine.cpp
U    lib/Target/MSP430/MSP430TargetMachine.cpp
U    lib/Target/MSP430/MSP430TargetMachine.h
U    lib/Target/CppBackend/CPPTargetMachine.h
U    lib/Target/CppBackend/CPPBackend.cpp
U    lib/Target/CBackend/CTargetMachine.h
U    lib/Target/CBackend/CBackend.cpp
U    lib/Target/TargetMachine.cpp
U    lib/Target/IA64/IA64TargetMachine.cpp
U    lib/Target/IA64/AsmPrinter/IA64AsmPrinter.cpp
U    lib/Target/IA64/IA64TargetMachine.h
U    lib/Target/IA64/IA64.h
U    lib/Target/MSIL/MSILWriter.cpp
U    lib/Target/CellSPU/SPUTargetMachine.h
U    lib/Target/CellSPU/SPU.h
U    lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp
U    lib/Target/CellSPU/SPUTargetMachine.cpp
U    lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
U    lib/Target/Mips/MipsTargetMachine.cpp
U    lib/Target/Mips/MipsTargetMachine.h
U    lib/Target/Mips/Mips.h
U    lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
U    lib/Target/Sparc/SparcTargetMachine.cpp
U    lib/Target/Sparc/SparcTargetMachine.h
U    lib/ExecutionEngine/JIT/TargetSelect.cpp
U    lib/Support/TargetRegistry.cpp

llvm-svn: 75820
2009-07-15 20:24:03 +00:00
Stuart Hastings
ef732a2bea Revert 75762, 75763, 75766..75769, 75772..75775, 75778, 75780, 75782 to repair broken LLVM-GCC build.
Will revert 75770 in the llvm-gcc trunk.

llvm-svn: 75799
2009-07-15 17:27:11 +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
Daniel Dunbar
2b67b4ab9f Kill off old (TargetMachine level, not Target level) match quality functions.
llvm-svn: 75780
2009-07-15 12:26:05 +00:00
Daniel Dunbar
51b81c9930 Provide TargetMachine implementations with reference to Target they were created
from.
 - This commit is almost entirely propogating the reference through the
   TargetMachine subclasses' constructor calls.

llvm-svn: 75778
2009-07-15 12:11:05 +00:00
Daniel Dunbar
590904c36b Kill off unused TargetMachineRegistry methods and ivars.
llvm-svn: 75774
2009-07-15 11:48:36 +00:00
Daniel Dunbar
1d5b4e20c9 Migrate llc and the JIT to using the TargetRegistry for lookups.
- They still use the TargetMachineRegistry to populate the contents of the
   -march option (via the listener interface). We can't just populate it in the
   option parser because we can't expect the TargetRegistry to be populated yet
   (we no longer rely on static constructors).

 - There are a couple ways to finish killing off TargetMachineRegistry, but I
   haven't figured out the cleanest one yet...

llvm-svn: 75773
2009-07-15 11:36:15 +00:00
Daniel Dunbar
25ad58480b Include the Target& in the TargetMachineRegisterEntry.
llvm-svn: 75772
2009-07-15 11:23:49 +00:00
Daniel Dunbar
f69bd722c3 Allow multiple registrations of the same target.
- This doesn't necessarily seem like a good idea, but the JIT unittest
   currently relies on it.

llvm-svn: 75769
2009-07-15 10:32:44 +00:00
Daniel Dunbar
14503ce849 Initialize the target info via the InitializeNativeTarget() hook.
llvm-svn: 75768
2009-07-15 10:29:55 +00:00
Daniel Dunbar
61ce410af9 Reimplement TargetMachineRegistry in terms of TargetRegistry.
- This is a temporary hack to aid in incremental refactoring, for now we
   allocate a new TargetMachineRegistryEntry on every getClosest... call.

 - No intended functionality change, other than the leaked memory.

llvm-svn: 75766
2009-07-15 09:53:37 +00:00
Daniel Dunbar
79a15cde61 Mark Target's creation routines as const.
llvm-svn: 75763
2009-07-15 09:38:10 +00:00