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Author SHA1 Message Date
Rafael Espindola
16455286cb Change DwarfCFIException's member variables to track what it actually 
emmits: .cfi_personality, .cfi_lsda and the moves.

llvm-svn: 130503
 2011-04-29 14:48:51 +00:00
Andrew Trick
88152ec6d2 Teach Thumb2 isel to fold and->rotr ==> ROR. 
Generalization of Nate Begeman's patch!

llvm-svn: 130502
 2011-04-29 14:18:15 +00:00
Rafael Espindola
16b23d9ff7 Factor some code to needsCFIMoves. Avoid printing moves when we don't have to. 
llvm-svn: 130501
 2011-04-29 14:14:06 +00:00
Benjamin Kramer
81d46d0c06 This is done. 
llvm-svn: 130499
 2011-04-29 14:09:57 +00:00
Andrew Trick
a8fdf07d0a Combine thumb2-ror tests. 
llvm-svn: 130498
 2011-04-29 14:02:41 +00:00
NAKAMURA Takumi
70fa3c7039 docs/doxygen.css: Tweak padding on memdoc. 
llvm-svn: 130493
 2011-04-29 09:59:12 +00:00
Francois Pichet
4c0e0098a5 Unbreak the MSVC build: 
- unistd.h doesn't exist with MSVC
  - inline must be __inline in Microsoft C
  - atexit cannot take a function declared as void f(), must be void f(void).

llvm-svn: 130490
 2011-04-29 08:56:07 +00:00
Benjamin Kramer
fcc6332e59 Balance parentheses. 
llvm-svn: 130489
 2011-04-29 08:41:23 +00:00
Benjamin Kramer
5beaa1dd92 InstCombine: turn (C1 << A) << C2) into (C1 << C2) << A) 
Fixes PR9809.

llvm-svn: 130485
 2011-04-29 08:15:41 +00:00
Chris Lattner
52e40d9b4c clean up after Sean's r127646 patch. 
llvm-svn: 130475
 2011-04-29 05:40:18 +00:00
Chris Lattner
c8dff72621 use the MachineInstrBuilder operator-> to simplify some code. 
There are probably more instances of this floating around.

llvm-svn: 130474
 2011-04-29 05:24:29 +00:00
Chris Lattner
52b19aa2b5 add a missing operator that caused us to have to use (*MIB).foo everywhere. 
llvm-svn: 130473
 2011-04-29 05:24:07 +00:00
Rafael Espindola
6c6e1622a8 Last bit by bit compatibility patch to MCDwarf.cpp: If a FDE with no LSDA is 
assigned to a CIE that requires one, just output a 0.

llvm-svn: 130472
 2011-04-29 03:06:29 +00:00
Rafael Espindola
a664fdf4cd Add an alternative implementation of CIE and FDE emission that outputs them 
in the same order as the one in CodeGen.

llvm-svn: 130471
 2011-04-29 02:42:28 +00:00
Nick Lewycky
ea1dbad689 Rename profile_rt.so to libprofile_rt.so under configure+make (it already was 
under cmake).

Add libprofile_rt.a so that we can tell clang to link against it in --coverage
mode. Also turn it on by default in cmake builds.

Oscar, this touches a change you made for EXCLUDE_FROM_ALL support -- I think
I've done the right thing, but please let me know (or fix and commit) if not!

llvm-svn: 130470
 2011-04-29 02:12:06 +00:00
Eric Christopher
f7f8f92201 Update comments and checks to match reality. 
llvm-svn: 130464
 2011-04-29 00:07:20 +00:00
Eric Christopher
68cdb30c0d Whitespace. 
llvm-svn: 130463
 2011-04-29 00:03:10 +00:00
Eli Friedman
a93906d0c3 Revert r130454; apparently this doesn't actually work. 
llvm-svn: 130462
 2011-04-28 23:55:14 +00:00
Eli Friedman
83b734b444 Fix runline. 
llvm-svn: 130455
 2011-04-28 23:12:24 +00:00
Eli Friedman
9a80f23666 Fix a rather obscure crash caused by ARM fast-isel generating code which redefines a register. 
rdar://problem/9338332 .

llvm-svn: 130454
 2011-04-28 23:03:25 +00:00
Devang Patel
b156287ec5 Preserve line number information. 
llvm-svn: 130450
 2011-04-28 22:48:14 +00:00
Matt Beaumont-Gay
11bfa608b8 Coalesce some DEBUGs (moving an only-used-in-DEBUG variable's declaration into the DEBUG) 
llvm-svn: 130448
 2011-04-28 22:26:05 +00:00
Benjamin Kramer
4e13009d4f We require threse bits to be zero, too. 
This shouldn't happen in practice because the icmp would be a constant.
Add a check so we don't miscompile code if something goes wrong.

llvm-svn: 130446
 2011-04-28 21:38:51 +00:00
Nick Lewycky
40c59f95d7 Only read *predecessor once so as to fix a theoretical issue where it changes 
between two reads (threading).

Fix an off-by-one in the indirect counter table that I meant to revert after an
earlier experiment. Whoops!

Implement GCOV_PREFIX. Doesn't handle GCOV_PREFIX_STRIP yet.

Fix an off-by-one in string emission. Extra whoops!

Tolerate DISubprograms that have null Function*'s attached to them. I don't yet
understand what this means, but it happens when you have a global static with
a non-trivial constructor/destructor.

Fix a crash on switch statements with a single successor (default-only).

llvm-svn: 130443
 2011-04-28 21:35:49 +00:00
Daniel Dunbar
a65f557314 Target/X86/MC: Add an option for disabling arith relaxation, for my own testing 
purposes.

llvm-svn: 130438
 2011-04-28 21:23:31 +00:00
Rafael Espindola
be5cb08cf8 Add the getExprForFDESymbol method that responsible for computing the 
expressions used in the FDE to refer to symbols.

llvm-svn: 130437
 2011-04-28 21:04:39 +00:00
Devang Patel
6cf2e6f447 Beautify debug info probe output. 
llvm-svn: 130435
 2011-04-28 20:46:18 +00:00
Ted Kremenek
16f206d185 Add MemoryBuffer::getBufferKind() to report whether a memory buffer uses malloc'ed or mmap'ed memory. This is for performance analysis. 
llvm-svn: 130432
 2011-04-28 20:34:18 +00:00
Devang Patel
5e9ca7876e Remove DbgDeclare only if all uses are converted. 
llvm-svn: 130431
 2011-04-28 20:32:02 +00:00
Lenny Maiorani
1b1a9860d1 Remove bounded StringRef::compare() since nothing but Clang SA was using it and it is just as easy to use StringRef::substr() preceding StringRef::compare() to achieve the same thing. 
llvm-svn: 130430
 2011-04-28 20:20:12 +00:00
Eli Friedman
afc21e9be2 fast-isel sret calls, try 2. We actually do need to do something on x86-32. rdar://problem/9303592 . 
llvm-svn: 130429
 2011-04-28 20:19:12 +00:00
Benjamin Kramer
6c39b65886 Fix a comment. 
llvm-svn: 130428
 2011-04-28 20:09:57 +00:00
Chris Lattner
8e8a01ebb8 improve comment. 
llvm-svn: 130426
 2011-04-28 20:02:57 +00:00
Devang Patel
e7e53746f0 Do not lose line number info while eliminating tail call. 
llvm-svn: 130419
 2011-04-28 18:43:39 +00:00
Eli Friedman
73c94e2b24 Actually revert r130348 correctly. 
llvm-svn: 130418
 2011-04-28 18:20:24 +00:00
Chris Lattner
a4696ee0ac final step needed to resolve PR6627, which allows us to flatten the code down to 
a nice and tidy:
  %x1 = load i32* %0, align 4
  %1 = icmp eq i32 %x1, 1179403647
  br i1 %1, label %if.then, label %if.end

instead of doing lots of loads and branches.  May the FreeBSD bootloader
long fit in its allocated space.

llvm-svn: 130416
 2011-04-28 18:15:47 +00:00
Chris Lattner
5307af1ed9 code cleanups only. 
llvm-svn: 130414
 2011-04-28 18:08:21 +00:00
Eli Friedman
7b68473355 Revert r130348; causing buildbot issues on x86-32. 
llvm-svn: 130412
 2011-04-28 18:06:10 +00:00
Owen Anderson
5ea854079d Fix a bug in tblgen that caused incorrect encodings on instructions that specified operands with "bit" instead of "bits<1>". 
Unfortunately, my only testcase for this is fragile, and the ARM AsmParser can't round trip the instruction in question.
<rdar://problem/9345702>

llvm-svn: 130410
 2011-04-28 17:51:45 +00:00
Devang Patel
93273f5b87 Add command line option to print debug info in human readable form as comment in llvm IR output. This, i.e -enable-debug-info-comment, is very useful if you want to easily find out which optimization pass is losing line number information. 
llvm-svn: 130409
 2011-04-28 17:41:38 +00:00
Andrew Trick
db3db0337f Reapply r130340: Fix for PR9730. 
llvm-svn: 130408
 2011-04-28 17:30:04 +00:00
Benjamin Kramer
4790d699e0 InstCombine: Merge "(trunc x) == C1 & (and x, CA) == C2" into a single and+icmp. 
This happens when GVN widens loads. Part of PR6627.

llvm-svn: 130405
 2011-04-28 16:58:40 +00:00
Eric Christopher
2e9c3e61ee Be more layout aware here and swap the successor and branch condition 
if it means we get a fallthrough.

llvm-svn: 130404
 2011-04-28 16:52:09 +00:00
Chris Lattner
6fa384f4a7 centralize "marking for deletion" into a helper function. Pass GVN around to 
static functions instead of passing around tons of random ivars.

llvm-svn: 130403
 2011-04-28 16:36:48 +00:00
Chris Lattner
bc11964fe9 Promote toErase to be an ivar of the GVN class. 
llvm-svn: 130401
 2011-04-28 16:18:52 +00:00
Rafael Espindola
f75a67d261 Add a getExprForPersonalitySymbol method to MCAsmInfo. Use it when 
converting the symbol passed to .cfi_personality into bytes is the file.

llvm-svn: 130400
 2011-04-28 16:09:09 +00:00
Rafael Espindola
4f9a76ab0b Mark the EH symbol global or weak if the corresponding function is. 
llvm-svn: 130397
 2011-04-28 12:50:37 +00:00
Jay Foad
97fa854251 Fix typos in comments. 
llvm-svn: 130396
 2011-04-28 09:12:47 +00:00
Chandler Carruth
bb0599c1f4 Fix the last -Wnon-pod-memset I'm seeing. This is benign, but appears 
a bit more sinister as the memset doesn't do what the constructor does.
There seems to be a cleaner solution than a cast here though, instead we
can point the memset destination into the union its actually trying to
clear.

An alternative is to point to the Untyped member of this union. Review
appreciated, and if that is cleaner I'm happy to switch. All of these
should be functionally equivalent to the original code.

llvm-svn: 130395
 2011-04-28 08:37:18 +00:00
Chandler Carruth
e4c22377a4 Revert an unintended commit. Very sorry for this one. 
llvm-svn: 130393
 2011-04-28 08:18:22 +00:00