This is just very first approximation how the stuff should be done
(e.g. ARM-only for now). More to follow.

llvm-svn: 127101

llvm-svn: 127099

llvm-svn: 126488

Patch by Nathan Jeffords!

llvm-svn: 126425

llvm-svn: 125629

llvm-svn: 123472

llvm-svn: 123411

Relax an assertion. On archs like ARM, an immediate field may be scattered. So it's possible for some bits of every 8 bits to be encoded already, and the rest still needs to be fixed up.

llvm-svn: 123403

llvm-svn: 122584

supports.

llvm-svn: 122577

llvm-svn: 122193

the MCCodeEmitter, which seems like a better organization.
 - Also, cleaned up some magic constants while in the area.

llvm-svn: 121953

 - Treaty talks on the non-proliferation of MC objects broke down.

llvm-svn: 121949

llvm-svn: 121471

llvm-svn: 121461

f:
        .cfi_startproc
        nop
        .cfi_endproc

assembled (on ELF).

llvm-svn: 121434

as llc + llvm-mc. This time ELF is not changed and I tested that llvm-gcc
bootstrap on darwin10 using darwin9's assembler and linker.

llvm-svn: 121006

foo = a - b
.long foo
instead of just
.long a - b

First, on darwin9 64 bits the assembler produces the wrong result. Second,
if "a" is the end of the section all darwin assemblers (9, 10 and mc) will not
consider a - b to be a constant but will if the dummy foo is created.

Split how we handle these cases. The first one is something MC should take care
of. The second one has to be handled by the caller.

llvm-svn: 120889

doing that if the target is darwin10 or newer.

This fixes
*) Direct object emission was producing objects without the workaround on
   darwin9.
*) Assembly printing was producing objects with the workaround on linux.

llvm-svn: 120866

difference is much smaller (about 0.3s) but significant.

llvm-svn: 120787

avoids creating leb128 fragments and speeds up the test in PR8711 to 33s.

llvm-svn: 120774

data fragment. This reduces the time to assemble the test in 8711 from 60s to
54s.

llvm-svn: 120767

It may not be an option to skip .debug_line if there are file reference in already emitted debug info. So, for now, emit dummy line table entry to make older linker and assemblers happy. This is not a new behavior, original AsmPrinter emitted similar line table entries.

llvm-svn: 120760

This is a fix for llvm-gcc-i386-darwin9 buildbot failure.

llvm-svn: 120742

llvm-svn: 120637

llvm-svn: 120271

llvm-svn: 119972

llvm-svn: 119816

possible.

llvm-svn: 119785

MCStreamer instead of just MCObjectStreamer. Address changes cannot
be as efficient as we have to use DW_LNE_set_addres, but at least
most of the logic is shared.

This will be used so that, with CodeGen still using EmitDwarfLocDirective,
llvm-gcc is able to produce debug_line sections without needing an
assembler that supports .loc.

llvm-svn: 119777

Next: Add support for the !HasDotLocAndDotFile case to the MCAsmStreamer
and then switch codegen to use it.

llvm-svn: 119384

llvm-svn: 119122

llvm-svn: 118981

llvm-svn: 118309

llvm-svn: 118301

llvm-svn: 118254

llvm-svn: 118023

llvm-svn: 117911

Small test for sanity check of resulting ARM .s file.
Tested against -r115129.

llvm-svn: 115133

llvm-svn: 114592