llvm-svn: 186297

llvm-svn: 186295

MF is normally initialized in AsmPrinter::SetupMachineFunction, but if the file
contains only globals (no functions), then we need this to be initialized
because, when encountering an error, lowerConstant() references it.

This should fix the non-deterministic failures of
test/CodeGen/X86/nonconst-static-iv.ll, etc.

llvm-svn: 186068

llvm-svn: 185984

llvm-svn: 185971

Change the informal convention of DBG_VALUE machine instructions so that
we can express a register-indirect address with an offset of 0.
The old convention was that a DBG_VALUE is a register-indirect value if
the offset (operand 1) is nonzero. The new convention is that a DBG_VALUE
is register-indirect if the first operand is a register and the second
operand is an immediate. For plain register values the combination reg,
reg is used. MachineInstrBuilder::BuildMI knows how to build the new
DBG_VALUES.

rdar://problem/13658587

llvm-svn: 185966

variable later in the class.

llvm-svn: 185866

No functionality change. It should suffice to check the type of a debug info
metadata, instead of calling Verify.

llvm-svn: 185847

llvm-svn: 185844

Since the pool indexes are necessarily sequential and contiguous, just
insert things in the right place rather than having to sort the sequence
after the fact.

No functionality change.

llvm-svn: 185842

llvm-svn: 185788

Obviously the personality function should be emitted as language handler
instead of the hard coded _GCC_specific_handler. The language specific
data must be placed after the unwind information therefore it must not
be emitted into a separate section.

Reviewed by Charles Davis and Nico Rieck.

llvm-svn: 185761

llvm-svn: 185689

r179494 switched to using the object file info to retrieve the default text
section for some MC streamers. It is possible that initializing an MC
streamer can request sections before the object file info is initialized
when the AutoInitSections flag is set on the streamer.

llvm-svn: 185670

llvm-svn: 185589

for them and update all uses.

llvm-svn: 185588

llvm-svn: 185586

(and for consistency).

llvm-svn: 185585

llvm-svn: 185573

llvm-svn: 185523

llvm-svn: 185520

Introduce some typedefs for DenseMaps containing SmallVectors so the vector size doesn't have to repeated when creating iterators for the DenseMap.

llvm-svn: 185508

Use SmallVectorImpl& instead of SmallVector& to avoid needlessly respecifying the small vector size.

llvm-svn: 185505

Use SmallVectorImpl::iterator/const_iterator instead of SmallVector to avoid specifying the vector size.

llvm-svn: 185504

avoid adding information for the debug_inlined section when it isn't
going to be emitted anyhow.

llvm-svn: 185500

llvm-svn: 185498

llvm-svn: 185497

grep.

llvm-svn: 185496

llvm-svn: 185495

llvm-svn: 185492

true, so remove the return value and propagate accordingly.

llvm-svn: 185490

Correctly handles ref_addr depending on the Dwarf version. Emit Dwarf with
version from module flag.

TODO: turn on/off features depending on the Dwarf version.
llvm-svn: 185484

llvm-svn: 185480

[DebugInfo] Allow getDebugThreadLocalSymbol to return MCExpr

This allows getDebugThreadLocalSymbol to return a generic MCExpr
instead of just a MCSymbolRefExpr.

This is in preparation for supporting debug info for TLS variables
on PowerPC, where we need to describe the variable location using
a more complex expression than just MCSymbolRefExpr.

llvm-svn: 185460

[DebugInfo] Hold generic MCExpr in AddrPool

This changes the AddrPool infrastructure to enable it to hold
generic MCExpr expressions, not just MCSymbolRefExpr.

This is in preparation for supporting debug info for TLS variables
on PowerPC, where we need to describe the variable location using
a more complex expression than just MCSymbolRefExpr.

llvm-svn: 185459

[DebugInfo] Introduce DIEExpr variant of DIEValue to hold MCExpr values

This partially reverts r185202 and restores DIELabel to hold plain
MCSymbol references.  Instead, we add a new subclass DIEExpr of
DIEValue that can hold generic MCExpr references.

This is in preparation for supporting debug info for TLS variables
on PowerPC, where we need to describe the variable location using
a more complex expression than just MCSymbolRefExpr.

llvm-svn: 185458

This is dead code since PIC16 was removed in 2010. The result was an odd mix,
where some parts would carefully pass it along and others would assert it was
zero (most of the object streamer for example).

llvm-svn: 185436

llvm-svn: 185398

Based on GCC's output for TLS variables (OP_constNu, x@dtpoff,
OP_lo_user), this implements debug info support for TLS in ELF. Verified
that this output is correct/sufficient on Linux (using gold - if you're
using binutils-ld, you'll need something with the fix for
http://sourceware.org/bugzilla/show_bug.cgi?id=15685 in it).

Support on non-ELF is sort of "arbitrary" at the moment - if Apple folks
want to discuss (or just go ahead & implement) how this should work in
MachO, etc, I'm open.

llvm-svn: 185203

This is a precursor to adding debug info support for TLS which requires
non-default relocations applied to TLS symbols.

llvm-svn: 185202