llvm-svn: 94627

Target independent isel should always pass along the "tail call" property. Change
target hook LowerCall's parameter "isTailCall" into a refernce. If the target
decides it's impossible to honor the tail call request, it should set isTailCall
to false to make target independent isel happy.

llvm-svn: 94626

llvm-svn: 94625

llvm-svn: 94617

logic up from X86 into the common code.  The other targets will 
hopefully start using this soon.

llvm-svn: 94614

llvm-svn: 94612

llvm-svn: 94610

llvm-svn: 94601

Default HasSetDirective to true, since most targets have it.

The targets that claim to not have it probably do, or it is
spelled differently. These include Blackfin, Mips, Alpha, and
PIC16.  All of these except pic16 are normal ELF targets, so
they almost certainly have it.

llvm-svn: 94585

llvm-svn: 94583

Original patch by Sandeep Patel and updated by me.

llvm-svn: 94582

that has it.

llvm-svn: 94581

llvm-svn: 94580

llvm-svn: 94570

llvm-svn: 94560

llvm-svn: 94558

subsumed by TargetLowering::getJumpTableEncoding().  Change uses of
it to be more specific.

llvm-svn: 94529

which is more convenient, and change getPICJumpTableRelocBaseExpr
to take a MachineFunction to match.

Next, move the X86 code that create a PICBase symbol to
X86TargetLowering::getPICBaseSymbol from 
X86MCInstLower::GetPICBaseSymbol, which was an asmprinter specific 
library.  This eliminates a 'gross hack', and allows us to
implement X86ISelLowering::getPICJumpTableRelocBaseExpr which now
calls it.

This in turn allows us to eliminate the 
X86AsmPrinter::printPICJumpTableSetLabel method, which was the
only overload of printPICJumpTableSetLabel.

llvm-svn: 94526

EK_LabelDifference32 kind and the target has .set support.  Simplify
X86AsmPrinter::printPICJumpTableSetLabel to make use of recent helpers.

llvm-svn: 94518

jump table entry kind, instead of overloading 
AsmPrinter::printPICJumpTableEntry.

This has a pretty horrible and inefficient FIXME around how @GOTOFF
is currently smashed into the mcsymbol name, but otherwise this is
much cleaner.

llvm-svn: 94516

the AsmPrinter::GetMBBSymbol.

llvm-svn: 94515

AsmPrinter::SetupMachineFunction sets it.  Note that systemz
and msp430 didn't.  Yay for reduced inconsistency! :)

llvm-svn: 94510

MachineFunctionAnalysis dole them out, instead of having
AsmPrinter do both.  Have the AsmPrinter::SetupMachineFunction
method set the 'AsmPrinter::MF' variable.

llvm-svn: 94509

llvm-svn: 94502

llvm-svn: 94490

llvm-svn: 94489

TargetAsmLexer.

llvm-svn: 94482

dbg.declare's we currently generate go through both
register allocators without perturbing the results.

llvm-svn: 94480

llvm-svn: 94479

llvm-svn: 94477

llvm-svn: 94475

entries with @GOTOFF whih is EK_GPRel32BlockAddress.

llvm-svn: 94474

llvm-svn: 94472

1. MachineJumpTableInfo is now created lazily for a function the first time
   it actually makes a jump table instead of for every function.
2. The encoding of jump table entries is now described by the
   MachineJumpTableInfo::JTEntryKind enum.  This enum is determined by the
   TLI::getJumpTableEncoding() hook, instead of by lots of code scattered
   throughout the compiler that "knows" that jump table entries are always
   32-bits in pic mode (for example).
3. The size and alignment of jump table entries is now calculated based on
   their kind, instead of at machinefunction creation time.

Future work includes using the EntryKind in more places in the compiler,
eliminating other logic that "knows" the layout of jump tables in various
situations.

llvm-svn: 94470

a null pointer for functions with no jump tables.  No functionality
change.

llvm-svn: 94469

when we don't have one laying around.  Useful if you don't
have an llvmcontext handy.

llvm-svn: 94468

llvm-svn: 94465

llvm-svn: 94464

llvm-svn: 94457

TargetAsmLexer.  Dialect-specific lexing code will
be placed in the functions LexTokenATT() and
LexTokenIntel().

llvm-svn: 94456