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94422 Commits

Author SHA1 Message Date
Ted Kremenek 310c5a8e31 Don't flag idempotent '+' or '-' warnings for pointer arithmetic (typically false positives). 
Fixes <rdar://problem/8601243>.

llvm-svn: 117635
 2010-10-29 01:06:54 +00:00
Ted Kremenek 55ccf4e81f Remove old CrashTracer cruft from CIndex. 
llvm-svn: 117634
 2010-10-29 01:06:50 +00:00
Owen Anderson b101af04b4 Convert this test to a .s file, so that it's not sensitive to codegen changes. 
llvm-svn: 117633
 2010-10-29 01:01:56 +00:00
Dan Gohman c16d9afe04 Add a basic testcase for TBAA-aware DSE. 
llvm-svn: 117632
 2010-10-29 00:54:02 +00:00
Jakob Stoklund Olesen 13d7e0d012 Fix broken equivalence class calculation. We could probably also use 
EquvivalenceClasses.h except it looks like overkill when elements are continuous
integers.

llvm-svn: 117631
 2010-10-29 00:40:59 +00:00
Jakob Stoklund Olesen b98755472e Print out the connected components in the verifier after complaining about their 
multiplicity.

llvm-svn: 117630
 2010-10-29 00:40:57 +00:00
Jakob Stoklund Olesen a2578fe7f3 Run a verification pass before any splitting to better distribute blame. 
llvm-svn: 117629
 2010-10-29 00:40:55 +00:00
John McCall 033caa5895 When computing the visibility of a class member, calculate the visibility 
of its context without considering global settings like -fvisibility=hidden.
Fixes PR8492.

llvm-svn: 117628
 2010-10-29 00:29:13 +00:00
Sean Callanan 322f529b37 Added a user-settable variable, 'target.expr-prefix', 
which holds the name of a file whose contents are
prefixed to each expression.  For example, if the file
~/lldb.prefix.header contains:

typedef unsigned short my_type;

then you can do this:

(lldb) settings set target.expr-prefix '~/lldb.prefix.header'
(lldb) expr sizeof(my_type)
(unsigned long) $0 = 2

When the variable is changed, the corresponding file
is loaded and its contents are fetched into a string
that is stored along with the target.  This string
is then passed to each expression and inserted into
it during parsing, like this:

typedef unsigned short my_type;
                             
void                           
$__lldb_expr(void *$__lldb_arg)          
{                              
    sizeof(my_type);                        
}

llvm-svn: 117627
 2010-10-29 00:29:03 +00:00
Chris Lattner 5d6f6a061b add simple support for addrmode5 operands, allowing 
vldr.64 to work.  I have no idea if this is fully right, but 
it is in the right direction.

llvm-svn: 117626
 2010-10-29 00:27:31 +00:00
Andrew Trick fc1b990b1d The ARM jit cannot handle these tests as of 2010-10-27. 
(A PR will be linked to this rev.)

llvm-svn: 117620
 2010-10-29 00:23:43 +00:00
Blaine Garst cfdb75891d expand discussion of __block C++ on-stack objects 
llvm-svn: 117618
 2010-10-28 23:30:10 +00:00
Caroline Tice e79417951b Add alias information, including aliased command options & 
arguments, to help text for alias commands.

llvm-svn: 117617
 2010-10-28 23:17:48 +00:00
Caroline Tice dbaf18361e Comment out uninmplemented command option (-f) for disassemble 
command.

llvm-svn: 117616
 2010-10-28 22:19:36 +00:00
Devang Patel 6e0d58968d Ignore empty blocks. 
llvm-svn: 117615
 2010-10-28 22:11:59 +00:00
Devang Patel ed23f18d7e Basic types are language defined builtins. They are always defined at top most level. 
llvm-svn: 117613
 2010-10-28 22:03:20 +00:00
Caroline Tice 3cc8751d59 Remove references to particular Python version (use the system default 
version);  change include statements to use Python.h in the Python framework
on Mac OS X systems; leave it using regular Python.h on other systems.

Note:  I think this *ought* to work properly on Linux systems, but I don't have
a system to test it on...

llvm-svn: 117612
 2010-10-28 21:51:20 +00:00
Chris Lattner d27b05e54a give better error diagnostics, for example: 
t.s:1:14: error: invalid operand for instruction
vldr.64	d17, [r0]   
       	     ^

instead of:

t.s:1:1: error: unrecognized instruction
vldr.64	d17, [r0]   
^

llvm-svn: 117611
 2010-10-28 21:41:58 +00:00
John McCall 565141612f When emitting l-values for bool non-__block decl references, make a pointer 
using the memory type;  fixes an assert.

Fixes rdar://problem/8605032

llvm-svn: 117610
 2010-10-28 21:37:57 +00:00
Chris Lattner f20f79808e hook up getOpcodeName for ARM so that "llc -show-mc-inst" includes 
the opcode string in the inst dump, e.g.:
	vmov	r2, r3, d17             @ encoding: [0x31,0x2b,0x53,0xec]
                                        @ <MCInst #989 VMOVRRD
                                        @  <MCOperand Reg:68>
                                        @  <MCOperand Reg:69>
                                        @  <MCOperand Reg:19>
                                        @  <MCOperand Imm:14>
                                        @  <MCOperand Reg:0>>

The "VMOVRRD" is new.

llvm-svn: 117609
 2010-10-28 21:37:33 +00:00
Rafael Espindola 8aefb66376 Improvements to .section parsing: 
* If we have a M or a G, reject sections without the type
* Only parse the flag specific arguments if we have M or G
* Parse the corresponding arguments for M and G

We ignore the G arguments and flag for now.

llvm-svn: 117608
 2010-10-28 21:33:33 +00:00
Chris Lattner 327a61423b most simple arm instructions match correctly now, 
it looks like we're not handling [] operands though

llvm-svn: 117607
 2010-10-28 21:31:07 +00:00
Chris Lattner 1be0697ab9 fix the asmmatcher generator to handle targets with no RegisterPrefix 
(like ARM) correctly.  With this change, we can now match "bx lr"
because we recognize lr as a register.

llvm-svn: 117606
 2010-10-28 21:28:42 +00:00
Chris Lattner 9487de6160 move a method out of line. 
llvm-svn: 117605
 2010-10-28 21:28:01 +00:00
Johnny Chen 62d4f8684f Add comment on passing the assert message to self.runCmd(). 
llvm-svn: 117604
 2010-10-28 21:10:32 +00:00
Chris Lattner 9f9f4ebf0c remove the rest of hte owningptr's, no functionality change. 
llvm-svn: 117603
 2010-10-28 20:52:15 +00:00
Jakob Stoklund Olesen dc5e7065a4 One day, physical register live ranges will be sensible. 
llvm-svn: 117602
 2010-10-28 20:44:22 +00:00
Devang Patel 9268658646 Fix indentation. 
llvm-svn: 117601
 2010-10-28 20:41:11 +00:00
Daniel Dunbar a78e589b08 Driver/IA: Ignore -L for now, which users shouldn't be using for semantic effect. 
llvm-svn: 117600
 2010-10-28 20:36:23 +00:00
Jakob Stoklund Olesen c9f90c2a32 Replace SplitKit SSA update with an iterative algorithm very similar to the one 
in SSAUpdaterImpl.h

Verifying live intervals revealed that the old method was completely wrong, and
we need an iterative approach to calculating PHI placemant. Fortunately, we have
MachineDominators available, so we don't have to compute that over and over
like SSAUpdaterImpl.h must.

Live-out values are cached between calls to mapValue() and computed in a greedy
way, so most calls will be working with very small block sets.

Thanks to Bob for explaining how this should work.

llvm-svn: 117599
 2010-10-28 20:34:52 +00:00
Jakob Stoklund Olesen e172a8b794 Make MachineDominators available for SplitEditor. We are going to need it for 
proper SSA updating.

This doesn't cause MachineDominators to be recomputed since we are already
requiring MachineLoopInfo which uses dominators as well.

llvm-svn: 117598
 2010-10-28 20:34:50 +00:00
Jakob Stoklund Olesen 1005cf323d Add a temporary command line option to verify machine code after each spill or 
split.

llvm-svn: 117597
 2010-10-28 20:34:47 +00:00
Dan Gohman 47215f4e04 Revert r117582, which reverted r77396. Searching PATH for a string 
which contains slashes is inconsistent with the meaning of PATH on
Unix-type platforms, and pretty surprising.

If the user has given a specific path to execute and we can't
execute it, we should fail and say why.  (Apparently the new
posix_spawn code doesn't always say why, but that's a separate
issue.)

llvm-svn: 117596
 2010-10-28 20:34:33 +00:00
Devang Patel 9f414eee8c Backward compatibility. Gracefully handle older versions of debug info. 
llvm-svn: 117595
 2010-10-28 20:08:13 +00:00
Rafael Espindola 63760ba38e Add support for the .string directive. 
llvm-svn: 117592
 2010-10-28 20:02:27 +00:00
Devang Patel 1c75865037 Do not work too hard to find type's file info. There is a special field to record file info. 
llvm-svn: 117588
 2010-10-28 19:50:08 +00:00
Devang Patel 99811141c1 Fix indentation. 
llvm-svn: 117586
 2010-10-28 19:40:13 +00:00
Rafael Espindola 3c5a54e4b9 Defined weak symbols should have non-zero value. 
llvm-svn: 117585
 2010-10-28 19:39:57 +00:00
Mikhail Glushenkov 4b94986562 llvmc: Make ExecuteProgram() look in the driver directory first. 
llvm-svn: 117584
 2010-10-28 19:33:08 +00:00
Mikhail Glushenkov fdba1308ee Remove an unnecessary check and an unnecessary temporary. 
llvm-svn: 117583
 2010-10-28 19:33:04 +00:00
Mikhail Glushenkov d7faab5c95 Revert r77396. 
Original commit message:

    On "Unix", if Program::FindProgramByName is given a name containing
    slashes, just go with it, regardless of whether it looks like it will
    be executable. This follows the behavior of sh(1) more closely.

It's better when behaviour is consistent between platforms. This change also
makes FindExecutable() behave as expected on unix-likes (before this commit, it
used to always succeed).

llvm-svn: 117582
 2010-10-28 19:32:58 +00:00
Mikhail Glushenkov 0e9d9b51eb Trailing whitespace. 
llvm-svn: 117581
 2010-10-28 19:32:53 +00:00
Mikhail Glushenkov a90bee3ee8 80-col violations. 
llvm-svn: 117580
 2010-10-28 19:32:47 +00:00
Devang Patel 1742de5cbe Do not rely on context to find file info. It is already provided as a separate field. 
llvm-svn: 117577
 2010-10-28 19:14:28 +00:00
Devang Patel faadd7b72d Directly use NamespaceDecl->getLocation() to find the source file. 
llvm-svn: 117576
 2010-10-28 19:12:46 +00:00
Rafael Espindola 29f70afbae Fix relocations with renamed symbols. 
llvm-svn: 117575
 2010-10-28 19:08:03 +00:00
Sean Callanan 48ae719dc5 Explicatory comment for folks that may not be 
familiar with the ownership relationships
involving Diagnostic.

llvm-svn: 117573
 2010-10-28 18:43:33 +00:00
Benjamin Kramer 851a994a42 Reduce malloc thrashing. 
llvm-svn: 117572
 2010-10-28 18:41:23 +00:00
Jim Grosbach 505607e4c6 PLD, PLDW, PLI encodings, plus refactor their use of addrmode2. 
llvm-svn: 117571
 2010-10-28 18:34:10 +00:00
Rafael Espindola 6cd76e63f8 Aliases defined with .symver should copy the binding of the symbols they alias. 
Move the existing patching for undefined symbols so that all the patching
is done in the same function.

llvm-svn: 117570
 2010-10-28 18:33:03 +00:00