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8668 Commits

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
2842ccd76f eliminate AsmPrinter::EmitZeros: just use MCStreamer directly. 
llvm-svn: 93918
 2010-01-19 21:51:22 +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
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
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
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
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
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
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
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
Devang Patel
885bd38bfc Revert accident check-in from r93165. 
llvm-svn: 93832
 2010-01-19 01:26:02 +00:00
Dale Johannesen
e1ba7ecf45 Revert 93811 per request. 
llvm-svn: 93818
 2010-01-19 00:10:52 +00:00
Dale Johannesen
0b8b2713d3 Enable code to emit dbg.declare as DEBUG_VALUE 
comments (fast isel, X86).  This doesn't seem
to break any functionality, but will introduce
cases where -g affects the generated code.  I'll
be fixing that.

llvm-svn: 93811
 2010-01-18 23:34:55 +00:00
Evan Cheng
5cf9d23e4e Canonicalize -1 - x to ~x. 
Instcombine does this but apparently there are situations where this pattern will escape the optimizer and / or created by isel. Here is a case that's seen in JavaScriptCore:
  %t1 = sub i32 0, %a
  %t2 = add i32 %t1, -1
The dag combiner pattern: ((c1-A)+c2) -> (c1+c2)-A
will fold it to -1 - %a.

llvm-svn: 93773
 2010-01-18 21:38:44 +00:00
Bill Wendling
5678a9711b - Add a comment to the callback indicating that it's *extremely* not a good 
idea, but unfortunately necessary.
- Default to using 4-bytes for the LSDA pointer encoding to agree with the
  encoded value in the CIE.

llvm-svn: 93753
 2010-01-18 19:36:27 +00:00
Chris Lattner
86287085ba remove the MAI argument to MCExpr::print and switch overthing to use << when printing them. 
llvm-svn: 93699
 2010-01-18 00:37:40 +00:00
Chris Lattner
6f360c3c91 now that MCSymbol::print doesn't use it's MAI argument, we can 
remove it and change all the code that prints MCSymbols to use 
<< instead, which is much simpler and cleaner.

llvm-svn: 93695
 2010-01-17 21:43:43 +00:00
Chris Lattner
57ac0be2b5 now that mangler is in libtarget, it can use MCAsmInfo instead of clients 
having to pass various fields from it in.  Simplify.

llvm-svn: 93686
 2010-01-17 18:22:35 +00:00
Benjamin Kramer
77e20e0bed Switch some functions to take Twines, eliminate uses of StringExtras.h. 
llvm-svn: 93680
 2010-01-17 07:46:39 +00:00
Nate Begeman
04da97bd5e Add a note for the macho streamer and remove a used of the mangler from the soon to be defunct machowriter pass. 
llvm-svn: 93670
 2010-01-17 03:49:01 +00:00
Kenneth Uildriks
d6b30baf78 When checking for sret-demotion, it needs to use legal types. When using the return value of an sret-demoted call, it needs to use possibly illegal types that match the declared Type of the callee. 
llvm-svn: 93667
 2010-01-16 23:37:33 +00:00
Chris Lattner
51e8abe640 move the mangler into libtarget from vmcore. 
llvm-svn: 93664
 2010-01-16 21:57:06 +00:00
Chris Lattner
6efe5156eb reapply the mangler gutting patch. 
llvm-svn: 93656
 2010-01-16 21:08:46 +00:00
Chris Lattner
98ddc4b8b0 unbreak the build. 
llvm-svn: 93654
 2010-01-16 20:53:11 +00:00
Rafael Espindola
d6c021a8d7 Revert 93648. 
Mangler::getMangledName is used from lto
Mangler::setUseQuotes is used in the AsmPrinter
Mangler::setSymbolsCanStartWithDigit is used in the AsmPrinter

llvm-svn: 93652
 2010-01-16 20:27:59 +00:00
Chris Lattner
16324d20f6 Mangler::getMangledName is now dead, remove it and all the other stuff in Mangler that is now transitively dead. woo. 
llvm-svn: 93648
 2010-01-16 19:08:51 +00:00
Chris Lattner
04b7c11880 Change DIEObjectLabel to take an MCSymbol instead of std::string. 
llvm-svn: 93647
 2010-01-16 18:50:28 +00:00
Chris Lattner
31aea3db21 rename GetPrivateGlobalValueSymbolStub -> GetSymbolWithGlobalValueBase, 
and add an explicit ForcePrivate argument.

Switch FunctionEHFrameInfo to be MCSymbol based instead of string based.

llvm-svn: 93646
 2010-01-16 18:37:32 +00:00
Chris Lattner
31297eb826 eliminate uses of getMangledName from AsmPrinter.cpp, last up is 
dwarf emission which is going to be more invasive.

llvm-svn: 93645
 2010-01-16 18:17:26 +00:00
Devang Patel
ab80d29640 No need to use WeakVH here. 
llvm-svn: 93631
 2010-01-16 06:17:40 +00:00
Devang Patel
3bbca51dcd Replace DebugLocTuple with DILocation. 
llvm-svn: 93630
 2010-01-16 06:09:35 +00:00
Chris Lattner
a00f220023 remove a couple of actively incorrect uses of getMangledName. 
llvm-svn: 93627
 2010-01-16 02:16:09 +00:00
Bill Wendling
d78fcdd332 Retrying r91337: 
The CIE says that the LSDA point in the FDE section is an "sdata4". That's fine,
but we need it to actually be 4-bytes in the FDE for some platforms. Allow
individual platforms to decide for themselves.

llvm-svn: 93616
 2010-01-16 01:40:55 +00:00
Chris Lattner
8813339969 fix inverted conditional 
llvm-svn: 93614
 2010-01-16 01:37:14 +00:00
Chris Lattner
61a95137c9 CurrentFnName is now dead, remove it. 
llvm-svn: 93612
 2010-01-16 01:24:10 +00:00
Chris Lattner
bb21a20f24 remove the string form of printVisibility. 
llvm-svn: 93609
 2010-01-16 01:17:26 +00:00
Bob Wilson
a7043345ee Treat indirect branches specially only during pre-regalloc tail duplication, 
not during the later post-alloc tail duplication.

llvm-svn: 93600
 2010-01-16 00:42:25 +00:00
Bob Wilson
3386047bdb Run the pre-register allocation tail duplication pass by default. Remove 
the -pre-regalloc-taildup command-line option, and add a new
-disable-early-taildup option.

llvm-svn: 93597
 2010-01-16 00:29:50 +00:00
Chris Lattner
b1b91d11db supplement CurrentFnName with CurrentFnSym, which will eventually 
replace it.  Upgrade Alpha, Blackfin, and part of CellSPU to not
use mangler anymore.  CellSPU needs more invasive surgery.

llvm-svn: 93589
 2010-01-15 23:55:16 +00:00