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Author SHA1 Message Date
Chris Lattner
1b0d0247b2 simplify the rest of fp constant printing. 
llvm-svn: 93929
 2010-01-19 22:16:33 +00:00
Chris Lattner
53a988c8f1 simplify the code for printing x86 long double, don't do work 
for -fverbose-asm unless it's on.

llvm-svn: 93926
 2010-01-19 22:11:05 +00:00
Jakob Stoklund Olesen
b93c3b9624 Identify predicate and optional-def operands when printing machine 
instructions.

llvm-svn: 93925
 2010-01-19 22:08:34 +00:00
Chris Lattner
20c1857075 add a new EmitIntValue method that MCStreamer impls can optionally define 
and that clients can use.

llvm-svn: 93923
 2010-01-19 22:03:38 +00:00
Dan Gohman
71b2d12a48 Add a new helper function to IVUsers for returning the "canonical" 
form of an expression. This is the expression without the
post-increment adjustment made, which is useful in determining
which registers will be used by the expansion.

llvm-svn: 93921
 2010-01-19 21:55:32 +00:00
Dan Gohman
190fee462e Add nounwinds. 
llvm-svn: 93919
 2010-01-19 21:51:51 +00:00
Chris Lattner
2842ccd76f eliminate AsmPrinter::EmitZeros: just use MCStreamer directly. 
llvm-svn: 93918
 2010-01-19 21:51:22 +00:00
Sean Callanan
4bb95fd7d6 Promoted the getTok() method to MCAsmParser so that 
the two token accessor functions are declared consistently.
Modified the clients of MCAsmParser to reflect this change.

llvm-svn: 93916
 2010-01-19 21:44:56 +00:00
Xerxes Ranby
c3fa089148 Stubs for getHostCPUFeatures API. This implements part of PR5389. 
llvm-svn: 93913
 2010-01-19 21:26:05 +00:00
Jakob Stoklund Olesen
e7d4286d73 Remove predicates when changing an add into an unpredicable mov. 
Since the mov is executed unconditionally, make sure that the add didn't have
any predicate.

llvm-svn: 93909
 2010-01-19 21:08:28 +00:00
Benjamin Kramer
5ad576dacf Update CMake list. 
llvm-svn: 93905
 2010-01-19 20:59:04 +00:00
David Greene
fde2825063 Add some new debugging APIs to print out "raw" SelectionDAGs to make 
understanding CannotYTetSelect and other errors easier.

llvm-svn: 93901
 2010-01-19 20:37:34 +00:00
Sean Callanan
7fa5ebbed0 Propagated the parser-side Lex function's declaration to 
MCAsmParser, and changed the target-specific AsmParsers
to use it.

llvm-svn: 93900
 2010-01-19 20:27:46 +00:00
Sean Callanan
985ff03e7d Added a Lex function to the AsmParser, to allow handling 
of include directives to occur within the parser itself.
This will break the lexer's dependency on a SourceMgr as
input.

llvm-svn: 93899
 2010-01-19 20:22:31 +00:00
Bruno Cardoso Lopes
36445b07f0 Fix a bug introduced on r92564 where the name "Node" was already 
in use by Mips.

llvm-svn: 93897
 2010-01-19 19:57:07 +00:00
Chris Lattner
336c2b0d47 Generalize mcasmstreamer data emission APIs to take an address space 
identifier.  There is no way to work around it.

llvm-svn: 93896
 2010-01-19 19:46:13 +00:00
Evan Cheng
4b916556a5 Do not extend extension results beyond the use of a PHI instruction at the start of a use block. A PHI use is expected to kill its source values. 
llvm-svn: 93895
 2010-01-19 19:45:51 +00:00
Chris Lattner
a5895e4127 refactor code to be static functions instead of methods on AsmPrinter. 
This fixes some bugs handling address spaces.

llvm-svn: 93891
 2010-01-19 19:10:44 +00:00
Chris Lattner
b98efb6e76 mcstreamerize AsmPrinter::EmitZeros, at least when emitting to the 
default address space.

llvm-svn: 93890
 2010-01-19 18:58:52 +00:00
Chris Lattner
7c3ff46d45 add an MCAsmStreamer::EmitFill specialization of EmitFill that 
emits one directive instead of N.  Not doing this would be a
significant regression on the # bytes generated by .fill.

llvm-svn: 93889
 2010-01-19 18:52:28 +00:00
Chris Lattner
f26d29e436 add a "MCStreamer::EmitFill" method, and move the default implementation 
(which just iteratively emits bytes) to MCStreamer.

llvm-svn: 93888
 2010-01-19 18:45:47 +00:00
Chris Lattner
50636e0db8 remove MAI::ZeroDirectiveSuffix, which is only used by MASM, 
which we don't support anymore.

llvm-svn: 93886
 2010-01-19 18:37:01 +00:00
Jim Grosbach
034f69e0aa For aligned load/store instructions, it's only required to know whether a 
function can support dynamic stack realignment. That's a much easier question
to answer at instruction selection stage than whether the function actually
will have dynamic alignment prologue. This allows the removal of the
stack alignment heuristic pass, and improves code quality for cases where
the heuristic would result in dynamic alignment code being generated when
it was not strictly necessary.

llvm-svn: 93885
 2010-01-19 18:31:11 +00:00
Chris Lattner
e0124f19f9 optimize ~(~X >>s Y) --> (X >>s Y), patch by Edmund Grimley 
Evans!

llvm-svn: 93884
 2010-01-19 18:16:19 +00:00
Bruno Cardoso Lopes
6d3b12a256 On pic function calls some arguments were marked dead and 
the instruction to load those args removed. This fix PR6071

llvm-svn: 93880
 2010-01-19 17:00:43 +00:00
Bob Wilson
c82f536a5c The change in r90189 adds a link in a directory outside the iPhone platform 
directory when building the llvmCore_Embedded project.  Fix this by putting
the iPhone platform directory into DEST_DIR instead of DEST_ROOT.  I also
noticed what appears to be an unintentional use of DEVELOPER_BIN instead of
DEVELOPER_DIR, so I fixed that and changed to use DEVELOPER_DIR in some places
that were hardcoded to "Developer".  Finally, the other changes here allowed
some refactoring and simplification, which I have done.

llvm-svn: 93878
 2010-01-19 16:42:10 +00:00
Bruno Cardoso Lopes
a3fff69e88 load f64 +0.0 in a cleaner way. This fix part of PR5445 
llvm-svn: 93876
 2010-01-19 12:53:04 +00:00
Bruno Cardoso Lopes
46c69e2a0a Fix return registers for mips eabi 
llvm-svn: 93875
 2010-01-19 12:37:35 +00:00
Chris Lattner
405ac51ba0 mcstreamer'ize the rest of EmitGlobalVariable that is used on 
darwin.  The next big piece to get global variables streamerized
is EmitGlobalConstant.

llvm-svn: 93870
 2010-01-19 06:41:24 +00:00
Chris Lattner
ff16ee18d9 don't let asm-verbose break the check-next lines in these tests. 
llvm-svn: 93869
 2010-01-19 06:39:54 +00:00
Chris Lattner
15e2a64ec2 stop using the .lcomm pseudoop on darwin, instead, directly use the 
.zerofill directive.  Streamerize its generation.

llvm-svn: 93868
 2010-01-19 06:25:51 +00:00
Chris Lattner
dcd325e360 fix parsing .comm directives on systems which do not represent alignments 
as a power of 2.  This fixes MC/AsmParser/directive_comm.s

llvm-svn: 93867
 2010-01-19 06:22:22 +00:00
Chris Lattner
79166b498e only darwin has zerofill 
llvm-svn: 93866
 2010-01-19 06:21:23 +00:00
Devang Patel
a230047a58 MDNodes are not expected to disappear or replaced by another MDNode, so there is no need to pay the cost of WeakVH and ValueMaps. 
llvm-svn: 93865
 2010-01-19 06:19:05 +00:00
Devang Patel
bb63f9dd91 Avoid including DebugInfo.h in AsmPrinter.h 
llvm-svn: 93864
 2010-01-19 06:09:04 +00:00
Chris Lattner
8aa691460a zap the ARM version of PrintGlobalVariable, which I missed. 
llvm-svn: 93863
 2010-01-19 06:08:15 +00:00
Chris Lattner
e339d60351 mc'ize some stuff, don't comment out .lcomm directive in -fverbose-asm mode. 
llvm-svn: 93860
 2010-01-19 06:01:04 +00:00
Chris Lattner
ebe63b403e factor this code better. 
llvm-svn: 93859
 2010-01-19 05:51:42 +00:00
Chris Lattner
377bd87849 Now that we have everything nicely factored (e.g. asmprinter is not 
doing global variable classification anymore) and hookized, sink almost
all target targets global variable emission code into AsmPrinter and out
of each target.

Some notes:

1. PIC16 does completely custom and crazy stuff, so it is not changed.
2. XCore has some custom handling for extra directives.  I'll look at it next.
3. This switches linux/ppc to use .globl instead of .global.  If .globl is
   actually wrong, let me know and I'll fix it.
4. This makes linux/ppc get a lot of random cases right which were obviously
   wrong before, it is probably now a bit healthier.
5. Blackfin will probably start getting .comm and other things that it didn't
   before.  If this is undesirable, it should explicitly opt out of these
   things by clearing the relevant fields of MCAsmInfo.

This leads to a nice diffstat:
 14 files changed, 127 insertions(+), 830 deletions(-)

llvm-svn: 93858
 2010-01-19 05:38:33 +00:00
Chris Lattner
17135fc4b8 use %object like other elf targets, gas accepts either. 
llvm-svn: 93857
 2010-01-19 05:25:38 +00:00
Chris Lattner
baaf5eae3c simplify the mips target to print .size and .type for c strings 
just like all other elf targets.  Bruno, if this isn't right, please
let me know + why :)

llvm-svn: 93856
 2010-01-19 05:23:59 +00:00
Chris Lattner
f0edf967c7 hookize the cygwin ".linkonce" directive. 
llvm-svn: 93855
 2010-01-19 05:08:13 +00:00
Chris Lattner
4ffb7d26a2 more cleanups. Emit the .local directive even on cygwin/mingw. 
I'm not sure that this is correct, but it causes no test failures,
and just emitting a .comm without protecting its linkage somehow
is surely not right.

llvm-svn: 93854
 2010-01-19 04:59:55 +00:00
Chris Lattner
fce81941eb some cleanups 
llvm-svn: 93853
 2010-01-19 04:53:18 +00:00
Chris Lattner
7351e3a364 add a bool for whether .lcomm takes an alignment instead of basing this on "isdarwin". 
llvm-svn: 93852
 2010-01-19 04:48:20 +00:00
Chris Lattner
f904832189 hoist handling of external globals and special globals up to common code. 
This makes a similar code dead in all the other targets, I'll clean it up
in a bit.

This also moves handling of lcomm up before acquisition of a section,
since lcomm never needs a section.

llvm-svn: 93851
 2010-01-19 04:39:15 +00:00
Chris Lattner
3821a5f168 move production of .reference directives for static ctor/dtor list on 
darwin into common code.

llvm-svn: 93849
 2010-01-19 04:34:02 +00:00
Bob Wilson
e94d77854f Fix a crash in scalarrepl for memcpy/memmove where the source and destination 
are the same.  I had already fixed a similar problem where the source and
destination were different bitcasts derived from the same alloca, but the
previous fix still did not handle the case where both operands are exactly
the same value.  Radar 7552893.

llvm-svn: 93848
 2010-01-19 04:32:48 +00:00
Chris Lattner
b5e64bd377 use BSSLocal classifier to identify 'lcomm' data instead of 
duplicating the logic (differently) in lots of different targets.

llvm-svn: 93847
 2010-01-19 04:21:20 +00:00
Chris Lattner
63ef960b83 make TLOF subclassify BSS based on linkage type into private, external 
and everything else (weak).

llvm-svn: 93846
 2010-01-19 04:15:51 +00:00