llvm-svn: 80070

MachineInstr and MachineOperand.  This required eliminating a
bunch of stuff that was using DOUT, I hope that bill doesn't
mind me stealing his fun. ;-)

llvm-svn: 79813

llvm-svn: 79780

llvm-svn: 79777

llvm-svn: 79763

llvm-svn: 79742

talk to the MCStreamer directly instead.

llvm-svn: 79405

pair instead of from a virtual method on TargetMachine.  This cuts the final
ties of TargetAsmInfo to TargetMachine, meaning that MC can now use 
TargetAsmInfo.

llvm-svn: 78802

the latter is capable of representing either a primitive or an extended type.

llvm-svn: 78713

LLVMTargetMachine ctor.  It is currently unused.

llvm-svn: 78711

llvm-svn: 78610

A TAI hook is appropriate in this case because this is just an
asm syntax issue, not a semantic difference. TLOF should model
the semantics of the section.

llvm-svn: 78498

error condition get trapped with an assert.

llvm-svn: 78449

llvm-svn: 78363

llvm-svn: 78207

Instead of awkwardly encoding calling-convention information with ISD::CALL,
ISD::FORMAL_ARGUMENTS, ISD::RET, and ISD::ARG_FLAGS nodes, TargetLowering
provides three virtual functions for targets to override:
LowerFormalArguments, LowerCall, and LowerRet, which replace the custom
lowering done on the special nodes. They provide the same information, but
in a more immediately usable format.

This also reworks much of the target-independent tail call logic. The
decision of whether or not to perform a tail call is now cleanly split
between target-independent portions, and the target dependent portion
in IsEligibleForTailCallOptimization.

This also synchronizes all in-tree targets, to help enable future
refactoring and feature work.

llvm-svn: 78142

 - The C, C++, MSIL, and Mips backends still need the module.

llvm-svn: 77927

Module*.

Also, dropped uses of TargetMachine where unnecessary. The only target which
still takes a TargetMachine& is Mips, I would appreciate it if someone would
normalize this to match other targets.

llvm-svn: 77918

llvm-svn: 77864

no longer depends on TM!

llvm-svn: 77863

llvm-svn: 77820

llvm-svn: 77692

No functionality change.

llvm-svn: 77432

New name is Metadata.h.

llvm-svn: 77370

it is highly specific to the object file that will be generated in the end,
this introduces a new TargetLoweringObjectFile interface that is implemented
for each of ELF/MachO/COFF/Alpha/PIC16 and XCore.

Though still is still a brutal and ugly refactoring, this is a major step
towards goodness.

This patch also:
1. fixes a bunch of dangling pointer problems in the PIC16 backend.
2. disables the TargetLowering copy ctor which PIC16 was accidentally using.
3. gets us closer to xcore having its own crazy target section flags and
   pic16 not having to shadow sections with its own objects.
4. fixes wierdness where ELF targets would set CStringSection but not
   CStringSection_.  Factor the code better.
5. fixes some bugs in string lowering on ELF targets.

llvm-svn: 77294

instead.

llvm-svn: 77186

instead and drive things based off of that.

llvm-svn: 77184

'unnamed' bss section, but some impls would want a named one.  Since
they don't have consistent behavior, just make each target do their
own thing, instead of doing something "sortof common" then having
targets change immutable objects later.

llvm-svn: 77165

just use a smallstring instead.

llvm-svn: 77144

classes, and migrate existing targets over.

llvm-svn: 77126

 - This was overkill and inconsistently implemented.

llvm-svn: 77114

1. Spell SectionFlags::Writeable as "Writable".
2. Add predicates for deriving SectionFlags from SectionKinds.
3. Sink ELF-specific getSectionPrefixForUniqueGlobal impl into
   ELFTargetAsmInfo.
4. Fix SectionFlagsForGlobal to know that BSS/ThreadBSS has the
   BSS bit set (the real fix for PR4619).
5. Fix isSuitableForBSS to not put globals with explicit sections
   set in BSS (which was the reason #4 wasn't fixed earlier).
6. Remove my previous hack for PR4619.

llvm-svn: 77085

 - Instead of requiring targets to define a JIT quality match function, we just
   have them specify if they support a JIT.

 - Target selection for the JIT just gets the host triple and looks for the best
   target which matches the triple and has a JIT.

llvm-svn: 77060

 - Less boilerplate == good.

llvm-svn: 77052

llvm-svn: 76960

llvm-svn: 76702

and call PrintGlobalVariable, allowing elimination and simplification
of various targets.

llvm-svn: 76604

This eliminates redundancy setting up the mangler and adds support to them
for module-level inline asm and a .file directive.

llvm-svn: 76592

LLVM IR concept.

llvm-svn: 76590

"LinkerPrivatePrefix". It seems to have been used in only one place before I
started this "linker_private" business. I'm thinking that a rename is in
order...

llvm-svn: 76479