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95266 Commits

Author SHA1 Message Date
Bob Wilson 193722ebc8 Do not use MEMBARRIER_MCR for any Thumb code. 
It is only supported for ARM code.  Normally Thumb2 code would use DMB instead,
but depending on how the compiler is invoked (e.g., -mattr=-db) that might be
disabled.  This prevents a "cannot select MEMBARRIER_MCR" error in that
situation.  Radar 8644195

llvm-svn: 118642
 2010-11-09 22:50:44 +00:00
Daniel Dunbar 4b496bc35a Add a compat note about how Clang doesn't zero-initialize __block local variables. 
llvm-svn: 118641
 2010-11-09 22:45:16 +00:00
Bill Wendling 2cae3277a5 Two types of instructions have register lists: 
* LDM, et al, uses a bit mask to indicate the register list.
* VLDM, et al, uses a base register plus number.

The LDM instructions may be non-contiguous, but the VLDM ones must be
contiguous. Those are semantic checks that should be done later in the
compiler. Also postpone the creation of the bit mask until it's needed.

llvm-svn: 118640
 2010-11-09 22:44:22 +00:00
Rafael Espindola 4bdd2724e3 Remove IsExplicit. It was always false. 
llvm-svn: 118639
 2010-11-09 22:37:44 +00:00
Sean Callanan 0617fcb1f1 Added a named container for the source QualType 
in the type copy routine to make type problems
easier to debug.

llvm-svn: 118638
 2010-11-09 22:37:10 +00:00
John McCall 18a2c2c0b9 Split out -Wconversion warnings about constant precision into their 
own subcategory, -Wconstant-conversion, which is on by default.

Tweak the constant folder to give better results in the invalid
case of a negative shift amount.

Implements rdar://problem/6792488

llvm-svn: 118636
 2010-11-09 22:22:12 +00:00
Fariborz Jahanian b332ba3a51 Test moved to its correct place. 
llvm-svn: 118635
 2010-11-09 21:40:30 +00:00
Fariborz Jahanian d11da7e52a Restore patch reversed in r118475. Fixes 
// rdar://8632525

llvm-svn: 118634
 2010-11-09 21:38:20 +00:00
Jim Grosbach a942ad4222 Change the ARMConstantPoolValue modifier string to an enumeration. This will 
help in MC'izing the references that use them.

llvm-svn: 118633
 2010-11-09 21:36:17 +00:00
Johnny Chen 021d0e3173 Remove the @skip decorator for the whole class: 
@unittest2.skip("rdar://problem/8641483 ./dotest.py -v -t -w forward seg faults")

and add a @skip decorator for test_with_dwarf_and_run_command() method:

    @unittest2.skip("rdar://problem/8648070 'expression *bar_ptr' seg faults")

llvm-svn: 118632
 2010-11-09 21:14:23 +00:00
Douglas Gregor 0124e9ba9a Attempt to resolve overloaded functions in comma expressions and 
conditional operators. Fixes PR7863.

llvm-svn: 118631
 2010-11-09 21:07:58 +00:00
Andrew Trick 488660554e Adds RABasic verification and tracing. 
(retry now that the windows build is green)

llvm-svn: 118630
 2010-11-09 21:04:34 +00:00
Fariborz Jahanian dbee986290 Issues good diagnostic when @end is missing. 
// rdar://8283484

llvm-svn: 118629
 2010-11-09 20:38:00 +00:00
Dan Gohman c275aafbce Convert comments to doxygen syntax. 
llvm-svn: 118628
 2010-11-09 20:33:57 +00:00
Dan Gohman e3467a7687 Teach FunctionAttrs about the VAArg instruction. 
llvm-svn: 118627
 2010-11-09 20:17:38 +00:00
Chris Lattner 8ea6442f92 tidy up 
llvm-svn: 118626
 2010-11-09 20:15:55 +00:00
Chris Lattner 0786544ac5 fix PR8380, a crash on invalid due to an illogical DeclSpec SourceRange being constructed. 
llvm-svn: 118625
 2010-11-09 20:14:26 +00:00
Dan Gohman 35814e6128 Use the AliasAnalysis interface to determine how a Function accesses 
memory. This isn't a real improvement with present day AliasAnalysis
implementations; it's mainly for consistency.

llvm-svn: 118624
 2010-11-09 20:13:27 +00:00
Dan Gohman 88ff1ece63 VAArg doesn't capture its operand. 
llvm-svn: 118623
 2010-11-09 20:09:35 +00:00
Dan Gohman 88d5f7fd95 Translate IntrReadArgMem to AccessesArgumentsReadonly. 
llvm-svn: 118622
 2010-11-09 20:07:20 +00:00
Dan Gohman 5d06f892ef Teach AliasAnalysis about AccessesArgumentsReadonly. 
llvm-svn: 118621
 2010-11-09 20:06:55 +00:00
Douglas Gregor 928479e727 Revert the fix for PR8013. 
That bug concerned the well-formedness of code such as (&ovl)(a, b,
c). GCC rejects the code, while EDG accepts it. On further study of the
standard, I see no support for EDG's position: in particular, C++
[over.over] does not list this as a context where we can take the
address of an overloaded function, C++ [over.call.func] does not
reference the address-of operator at any point, and C++ [expr.call]
claims that the function argument in a call is either a function
lvalue or a pointer-to-function; (&ovl) is neither.

llvm-svn: 118620
 2010-11-09 20:03:54 +00:00
Benjamin Kramer f2e5a91ffb Simplify code. 
llvm-svn: 118619
 2010-11-09 20:00:56 +00:00
Dan Gohman 0f17507478 Teach LICM and AliasSetTracker about AccessesArgumentsReadonly. 
llvm-svn: 118618
 2010-11-09 19:58:21 +00:00
Dan Gohman de52155685 Teach FunctionAttrs about AccessesArgumentsReadonly. 
llvm-svn: 118617
 2010-11-09 19:56:27 +00:00
Matt Beaumont-Gay 7c1fddb531 Add a trivial virtual dtor to AbstractRegisterDescription to appease 
-Wnon-virtual-dtor.

llvm-svn: 118616
 2010-11-09 19:56:25 +00:00
Dan Gohman 0a843c907f AccessesArgumentsReadonly is read-only. 
llvm-svn: 118615
 2010-11-09 19:50:00 +00:00
Dan Gohman bdb22007bb Add a AccessesArgumentsReadonly ModRefBehavior value, so that the intrinsic 
property IntrReadArgMem can be modeled.

llvm-svn: 118614
 2010-11-09 19:48:55 +00:00
Andrew Trick 42d50e920b Reverting r118604. Windows build broke. 
llvm-svn: 118613
 2010-11-09 19:47:51 +00:00
Chris Lattner e56c786f11 make the example a bit better, encouraging people to use "suggestions of what to use" in the message :) 
llvm-svn: 118612
 2010-11-09 19:43:35 +00:00
Dan Gohman 007484527b Factor out the logic for onlyReadsMemory into a helper function. 
llvm-svn: 118611
 2010-11-09 19:43:24 +00:00
Dan Gohman f501579f8a Delete AccessesArgumentsAndGlobals, which was unused. 
llvm-svn: 118610
 2010-11-09 19:41:37 +00:00
Jim Grosbach 2fd4c37d8b Handle ARM constant pool values that need an explicit reference to the '.' 
pseudo-label. (TLS stuff).

llvm-svn: 118609
 2010-11-09 19:40:22 +00:00
Chris Lattner 4d94e47368 add a case we fail to devirt. 
llvm-svn: 118608
 2010-11-09 19:37:28 +00:00
Jim Grosbach 68147ee320 Trailing whitespace. 
llvm-svn: 118606
 2010-11-09 19:22:26 +00:00
Andrew Trick 85064c17be Adds RABasic verification and tracing. 
llvm-svn: 118604
 2010-11-09 19:01:17 +00:00
Ted Kremenek 5fab27aa6c Replace "#if __clang__" by "#if __has_feature(attribute_analyzer_noreturn)" to be consistent with all other snippets on this page. 
Patch by Jean-Daniel Dupas!

llvm-svn: 118603
 2010-11-09 18:54:17 +00:00
Johnny Chen 94ce9711c1 We should make the class name of test cases which emphasize expression command 
be different than the class name which uses frame variable command.

llvm-svn: 118602
 2010-11-09 18:49:57 +00:00
Jim Grosbach 38f8e76e51 Further MCize ARM constant pool values. This allows basic PIC references for 
object file emission.

llvm-svn: 118601
 2010-11-09 18:45:04 +00:00
Jim Grosbach 7e51095c23 Add encoding of Rt to ARM LDR/STR w/ reg+reg offset encoding. 
llvm-svn: 118600
 2010-11-09 18:43:54 +00:00
Johnny Chen c0c67f275d Distinguish between the assert messages for runCmd and expect. The former now 
takes the form:

    "Command '%s' returns successfully" % str

and the latter takes the form:

    "'%s' returns expected result" % str
    or
    "'%s' matches expected result" % str

llvm-svn: 118599
 2010-11-09 18:42:22 +00:00
Charles Davis 99202b358f Use the right calling convention when mangling names in the Microsoft C++ 
mangler. Now member functions and pointers thereof have their calling
convention mangled as __thiscall if they have the default CC (even though,
they technically still have the __cdecl CC).

llvm-svn: 118598
 2010-11-09 18:04:24 +00:00
Johnny Chen 27eb0bf281 Move the persistent_variables directory under expression_command directory. 
llvm-svn: 118591
 2010-11-09 17:57:37 +00:00
Johnny Chen 22c3f3028d Add a test for expression parser crash which has been fixed. 
llvm-svn: 118590
 2010-11-09 17:51:11 +00:00
Owen Anderson 91bfeb10b5 Last try to get this reference counting right, I swear. 
llvm-svn: 118589
 2010-11-09 17:47:10 +00:00
Owen Anderson 2d335436f3 Really fix the leak in the attributes list. Thanks to Benjamin Kramer for pointing out how I was being stupid. 
llvm-svn: 118588
 2010-11-09 17:46:38 +00:00
Jim Grosbach 59002dc973 For ARM load/store instructions, encode [reg+reg] with no shifter immediate as 
a left shift by zero.

llvm-svn: 118587
 2010-11-09 17:38:15 +00:00
Jim Grosbach 9b973490c9 ARM .word data fixups don't need an adjustment. 
llvm-svn: 118586
 2010-11-09 17:36:59 +00:00
Duncan Sands fc5ad3f0f9 Factorize code, no functionality change. 
llvm-svn: 118516
 2010-11-09 17:25:51 +00:00
Bruno Cardoso Lopes 9c5c829d9a Fix trailing whitespace and style, no functionality change 
llvm-svn: 118515
 2010-11-09 17:25:34 +00:00