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Commit Graph

10525 Commits

Author SHA1 Message Date
Jim Grosbach
cf6e6e1c79 Make sure that landing pad entries in the EH call site table are in the proper
order for SjLj style exception handling.

llvm-svn: 94055
2010-01-21 00:43:30 +00:00
Sean Callanan
cddf628d31 Modified MCAsmLexer to return error information upward
rather than printing it locally, reducing its dependence
on SourceMgr.

llvm-svn: 94041
2010-01-20 22:18:24 +00:00
Dale Johannesen
e6672a5bda make findDebugLoc a class method
llvm-svn: 94032
2010-01-20 21:36:02 +00:00
David Greene
80fdc554d0 When XDEBUG is enabled, check for SelectionDAG cycles at some key
points.  This will help us find future problems like the one
described in PR6019.

llvm-svn: 94019
2010-01-20 20:13:31 +00:00
Chris Lattner
56e3aa006f add some new methods to adjust this pointers. Not used yet.
llvm-svn: 94013
2010-01-20 19:26:14 +00:00
Chris Lattner
86ab039320 add a helper method.
llvm-svn: 94012
2010-01-20 19:25:45 +00:00
Jakob Stoklund Olesen
ac14f3bf31 Move per-function inline threshold calculation to a method.
No functional change except the forgotten test for
InlineLimit.getNumOccurrences() == 0 in the CurrentThreshold2 calculation.

llvm-svn: 94007
2010-01-20 17:51:28 +00:00
Chris Lattner
b619c47740 inline and radically simplify printDataDirective. It will eventually
go completely away.

llvm-svn: 93994
2010-01-20 07:33:29 +00:00
Chris Lattner
3104fa4a71 signficant cleanups to EmitGlobalConstant (including streamerization
of int initializers), change some methods to be static functions,
use raw_ostream::write_hex instead of a smallstring dance with 
APValue::toStringUnsigned(S, 16).

llvm-svn: 93991
2010-01-20 07:11:32 +00:00
Chris Lattner
6ea74a85bb give createAsmStreamer an 'isLittleEndian' argument.
llvm-svn: 93986
2010-01-20 06:39:07 +00:00
Chris Lattner
f25a9e1265 revert 93934, removing the MCAsmInfo endianness bit. I can't
stomache MCAsmInfo having this, and I found a better solution to
this layering issue.

llvm-svn: 93985
2010-01-20 06:34:14 +00:00
Victor Hernandez
d8a7839c7b Refactor common parts of MDNode::getFunction() and assertLocalFunction() into getFunctionForValue()
llvm-svn: 93977
2010-01-20 04:45:57 +00:00
Dale Johannesen
ac7865b75b Move findDebugLoc somewhere more central. Fix
more cases where debug declarations affect
debug line info.

llvm-svn: 93953
2010-01-20 00:19:24 +00:00
Dan Gohman
94c0e08951 Make SCEVAddRecExpr's getType return a pointer type when the add
has a pointer member. This helps reduce unnecessary bitcasting
and uglygeps.

llvm-svn: 93939
2010-01-19 22:53:50 +00:00
Chris Lattner
8e3badb9a7 give MCAsmInfo a 'has little endian' bit. This is unfortunate, but
I really want clients of the streamer to be able to say "emit this
64-bit integer" and have it get broken down right by the streamer.

I may change this in the future, we'll see how it works out.

llvm-svn: 93934
2010-01-19 22:42:28 +00:00
Dan Gohman
273322a12b Give ScalarEvolution access to the DominatorTree. It'll need this
to make more intellegent AddRec folding decisions.

llvm-svn: 93930
2010-01-19 22:21:27 +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
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
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
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
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
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
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
bb63f9dd91 Avoid including DebugInfo.h in AsmPrinter.h
llvm-svn: 93864
2010-01-19 06:09:04 +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
f0edf967c7 hookize the cygwin ".linkonce" directive.
llvm-svn: 93855
2010-01-19 05:08:13 +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
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
Chris Lattner
77f12b9ee0 introduce a section kind for common linkage. Use this to slightly
simplify and commonize some of the asmprinter logic for globals.

This also avoids printing the MCSection for .zerofill, which broke
the llvm-gcc build.

llvm-svn: 93843
2010-01-19 02:48:26 +00:00
Chris Lattner
53d8210a69 change an accessor to a predicate.
llvm-svn: 93839
2010-01-19 02:13:06 +00:00
Chris Lattner
816fcd1287 Cleanup handling of .zerofill on darwin:
1. TargetLoweringObjectFileMachO should decide if something
   goes in zerofill instead of having every target do it.
2. TargetLoweringObjectFileMachO should assign said symbols to
   the right MCSection, the asmprinters should just emit to the
   right section.
3. Since all zerofill stuff goes through mcstreamer anymore,
   MAI can have a bool "haszerofill" instead of having the textual
   directive to emit.

llvm-svn: 93838
2010-01-19 02:09:44 +00:00
Chris Lattner
fa545150c4 remove extraneous ;
llvm-svn: 93833
2010-01-19 01:28:09 +00:00
Victor Hernandez
edcdd08463 Add comment that MDNode::getFunction() is not to be used by performance-critical code (currently only used by AsmWriter)
llvm-svn: 93802
2010-01-18 22:55:08 +00:00
Bill Wendling
58d26c105b - Add getLSDAEncoding to the PowerPC backend.
- Greatly improve the comments to the getLSDAEncoding method.

llvm-svn: 93796
2010-01-18 22:36:35 +00:00
Sean Callanan
3439b1e14c Added a newline at the end of SMLoc.h
llvm-svn: 93784
2010-01-18 22:16:54 +00:00
Sean Callanan
f6a09ee2ec Changed the comment in the file header for SMLoc
to something more accurate.

llvm-svn: 93782
2010-01-18 22:11:34 +00:00
Sean Callanan
aef98cfcd2 Split SMLoc out in its own header so that it can
be used independently of SourceMgr.

llvm-svn: 93780
2010-01-18 22:07:51 +00:00
Victor Hernandez
afaac26fea Make findDbgDeclare/findDbgGlobalDeclare local static functions; avoid Elts array
llvm-svn: 93764
2010-01-18 20:42:09 +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
Benjamin Kramer
35bf21a0d2 Unnamed symbol index should be >= 1. This was lost during the mangler refactoring. Fixes PR6067.
llvm-svn: 93724
2010-01-18 14:39:20 +00:00
Chris Lattner
40f9b01ab5 switch x86 zerofill emission over to use MCStreamer.
llvm-svn: 93702
2010-01-18 01:21:08 +00:00