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100636 Commits

Author SHA1 Message Date
Ken Dyck c8ae55050d Convert RecordLayout::Size to CharUnits from bits. No changes to 
functionality intended.

llvm-svn: 125156
 2011-02-09 01:59:34 +00:00
Ted Kremenek a40f8ebc83 static analyzer: Further reduce the analyzer's memory usage when analyzing sqlite3 by 7-10% by recylcing "uninteresting" ExplodedNodes. 
The optimization involves eagerly pruning ExplodedNodes from the ExplodedGraph that contain
practically no difference between the predecessor and successor nodes.  For example, if
the state is different between a predecessor and a node, the node is left in.  Only for
the 'environment' component of the state do we not care if the ExplodedNodes are different.
This paves the way for future optimizations where we can reclaim the environment objects.

llvm-svn: 125154
 2011-02-09 01:27:33 +00:00
Ted Kremenek a628225535 Make ProgramPoint::getTag() public. 
llvm-svn: 125153
 2011-02-09 01:27:27 +00:00
Greg Clayton 925137cf84 Pull support for the shared and exclusive lock since this wasn't available 
on linux. And conditionalize the availablility of the fcntl() command 
F_GETPATH.

llvm-svn: 125152
 2011-02-09 01:16:43 +00:00
Jakob Stoklund Olesen 1305bc0a65 Evict a lighter single interference before attempting to split a live range. 
Registers are not allocated strictly in spill weight order when live range
splitting and spilling has created new shorter intervals with higher spill
weights.

When one of the new heavy intervals conflicts with a single lighter interval,
simply evict the old interval instead of trying to split the heavy one.

The lighter interval is a better candidate for splitting, it has a smaller use
density.

llvm-svn: 125151
 2011-02-09 01:14:03 +00:00
John McCall f4cd4f94d9 NonTypeTemplateParmDecl is just a DeclaratorDecl, not a VarDecl. 
Also, reorganize and make very explicit the logic for determining
the value kind and type of a referenced declaration.

llvm-svn: 125150
 2011-02-09 01:13:10 +00:00
Greg Clayton 51b1e2d271 Use Host::File in lldb_private::StreamFile and other places to cleanup host 
layer a bit more.

llvm-svn: 125149
 2011-02-09 01:08:52 +00:00
Johnny Chen 7eaacc517b Add some helper methods to the EmulateInstructionARM class as a first step in the 
refactorings of EmulateInstructionARM.cpp file, which will be modified later to
take advantage of these helper methods.

llvm-svn: 125148
 2011-02-09 01:00:31 +00:00
Devang Patel d3a7ee6bfc Test case for r125142. 
llvm-svn: 125144
 2011-02-09 00:37:52 +00:00
Devang Patel 14524e0f24 If an aggregate argument is passed indirectly because it has non trivial 
destructor or copy constructor than let debug info know about it.

Radar 8945514.

llvm-svn: 125142
 2011-02-09 00:37:30 +00:00
Jakob Stoklund Olesen 0b2f8d24b3 Set an allocation hint when rematting before a COPY. 
This almost guarantees that the COPY will be coalesced.

llvm-svn: 125140
 2011-02-09 00:25:36 +00:00
Caroline Tice 123b89b67f Add code to emulate the LDMIB Arm instruction. 
Modify code for LDM and LDMDB instructions to only
create one context and to reuse it, rather than 
creating multiple contexts.

llvm-svn: 125139
 2011-02-08 23:56:10 +00:00
Johnny Chen 108a363318 Fix typos. 
llvm-svn: 125138
 2011-02-08 23:49:37 +00:00
Jakob Stoklund Olesen 5a9683b319 Fix one more case of splitting after the last split point. 
llvm-svn: 125137
 2011-02-08 23:26:48 +00:00
Jim Ingham 843630781a Add FileSpec::ResolvePartialUsername, and use it in CommandCompletions to isolate pwd.h in the Host layer. 
llvm-svn: 125135
 2011-02-08 23:24:09 +00:00
Johnny Chen 03feace9d0 Add EmulateCB() entry to the g_thumb_opcodes table to represent "Compare and Branch 
on NonZero and Compare and Branch on Zero" operations.

llvm-svn: 125134
 2011-02-08 23:21:57 +00:00
Caroline Tice cdb58e1236 Add code to emulate LDMDB Arm instruction. 
llvm-svn: 125133
 2011-02-08 23:16:02 +00:00
Jakob Stoklund Olesen f248b20d8c Reorganize interference code to check LastSplitPoint first. 
The last split point can be anywhere in the block, so it interferes with the
strictly monotonic requirements of advanceTo().

llvm-svn: 125132
 2011-02-08 23:02:58 +00:00
Ted Kremenek fffba74477 No longer pass deprecated '-nodistribute' flag to xcodebuild. 
llvm-svn: 125131
 2011-02-08 22:54:30 +00:00
Ted Kremenek 1953f97ac9 analyzer, retain/release checker: Remove hack where objects passed in message to 'self' are no longer tracked. 
llvm-svn: 125130
 2011-02-08 22:54:26 +00:00
Rafael Espindola c6236065b7 Update for API change. 
llvm-svn: 125129
 2011-02-08 22:44:16 +00:00
Rafael Espindola 56e41f7f0b Don't open the file again in the gold plugin. To be able to do this, update 
MemoryBuffer::getOpenFile to not close the file descriptor.

llvm-svn: 125128
 2011-02-08 22:40:47 +00:00
Owen Anderson 4ebf471c9b Revert both r121082 (which broke a bunch of constant pool stuff) and r125074 (which worked around it). This should get us back to the old, correct behavior, though it will make the integrated assembler unhappy for the time being. 
llvm-svn: 125127
 2011-02-08 22:39:40 +00:00
John McCall 7a198cef04 When checking the 'weak' and 'weakref' attributes, look for non-external 
linkage rather than the presence of the 'static' storage class specifier.
Fixes rdar://problem/8814626.

llvm-svn: 125126
 2011-02-08 22:35:49 +00:00
Fariborz Jahanian 701f094afb Fix an IRGen bug in property setter calls when 
setter and getter types mismatch. // rdar://8966864

llvm-svn: 125125
 2011-02-08 22:33:23 +00:00
Argyrios Kyrtzidis fa0734ec4f [analyzer] Move the files in lib/StaticAnalyzer to lib/StaticAnalyzer/Core. 
Eventually there will also be a lib/StaticAnalyzer/Frontend that will handle initialization and checker registration.
Yet another library to avoid cyclic dependencies between Core and Checkers.

llvm-svn: 125124
 2011-02-08 22:30:36 +00:00
Argyrios Kyrtzidis 4975170267 [analyzer] lib/StaticAnalyzer/Checkers/ExprEngineExperimentalChecks.cpp -> lib/StaticAnalyzer/Checkers/ExperimentalChecks.cpp 
llvm-svn: 125123
 2011-02-08 22:30:15 +00:00
Argyrios Kyrtzidis f410a6299f [analyzer] lib/StaticAnalyzer/Checkers/ExprEngineExperimentalChecks.h -> lib/StaticAnalyzer/Checkers/ExperimentalChecks.h 
llvm-svn: 125122
 2011-02-08 22:30:11 +00:00
Argyrios Kyrtzidis f99d595cfd [analyzer] lib/StaticAnalyzer/Checkers/ExprEngineInternalChecks.h -> lib/StaticAnalyzer/Checkers/InternalChecks.h 
llvm-svn: 125121
 2011-02-08 22:30:02 +00:00
Benjamin Kramer 7b7caf51e9 Support for .ifdef / .ifndef in the assembler parser. Patch by Joerg Sonnenberger. 
llvm-svn: 125120
 2011-02-08 22:29:56 +00:00
John McCall 53c72e71cc Test case accidentally left out of my last commit. 
llvm-svn: 125119
 2011-02-08 22:28:39 +00:00
Caroline Tice 7aa01cfd64 Add code to emulate the LDM ARM instruction. 
llvm-svn: 125118
 2011-02-08 22:24:38 +00:00
Douglas Gregor 92a96f5c32 Split the serialized representation for the detailed preprocessing 
record away from the core processor record. The tangling of these two
data structures led to some inefficiencies (e.g., deserializing all
of the detailed preprocessing record when we didn't need it, such as
while performing code completion) along with some unnecessary
ugliness.

llvm-svn: 125117
 2011-02-08 21:58:10 +00:00
Jakob Stoklund Olesen 93dda45ada Also handle the situation where an indirect branch is the first (and last) 
instruction in a basic block.

llvm-svn: 125116
 2011-02-08 21:46:11 +00:00
Peter Collingbourne 3a34725ed1 AST: support for pre-arg expressions on CallExpr subclasses 
llvm-svn: 125115
 2011-02-08 21:18:02 +00:00
Peter Collingbourne 4b279a033b StmtPrinter: factor out arg printing code to PrintCallArgs 
llvm-svn: 125114
 2011-02-08 21:17:54 +00:00
Jakob Stoklund Olesen f2b16dc847 Add LiveIntervals::addKillFlags() to recompute kill flags after register allocation. 
This is a lot easier than trying to get kill flags right during live range
splitting and rematerialization.

llvm-svn: 125113
 2011-02-08 21:13:03 +00:00
Johnny Chen 181376f29f Add missing implementation for "BL, BLX (immediate)" Encoding T1 and an entry for "bl <label>" 
into g_thumb_opcodes table.

llvm-svn: 125112
 2011-02-08 20:36:34 +00:00
Benjamin Kramer 1a648d1930 Allow multiple -B prefixes. Patch by Joerg Sonnenberger. 
llvm-svn: 125111
 2011-02-08 20:31:42 +00:00
Greg Clayton 846b64bf83 Updated a few more Host::File functions and added documentation. 
llvm-svn: 125110
 2011-02-08 19:54:44 +00:00
Jakob Stoklund Olesen 4d83c691f6 Trim debug spew 
llvm-svn: 125109
 2011-02-08 19:33:58 +00:00
Jakob Stoklund Olesen c6a2041d99 Avoid folding a load instruction into an instruction that redefines the register. 
The target hook doesn't know how to do that. (Neither do I).

llvm-svn: 125108
 2011-02-08 19:33:55 +00:00
Greg Clayton 968fa38e0a Added a few more calls to the File abtract class for seeking, syncing and 
getting the file spec from the file descriptor.

llvm-svn: 125106
 2011-02-08 19:10:53 +00:00
David Greene 10b0db1d5f [AVX] Implement BUILD_VECTOR lowering for 256-bit vectors. For 
anything but the simplest of cases, lower a 256-bit BUILD_VECTOR by
splitting it into 128-bit parts and recombining.

llvm-svn: 125105
 2011-02-08 19:04:41 +00:00
John McCall d396b97c5a Clear the linkage cache recursively. Fixes PR8926. 
llvm-svn: 125104
 2011-02-08 19:01:05 +00:00
Johnny Chen 86e48b6940 Add missing implementation for "BL, BLX (immediate)" Encoding A1. 
llvm-svn: 125103
 2011-02-08 18:58:31 +00:00
Jakob Stoklund Olesen 1749935173 Add SplitEditor::overlapIntv() to create small ranges where both registers are live. 
If a live range is used by a terminator instruction, and that live range needs
to leave the block on the stack or in a different register, it can be necessary
to have both sides of the split live at the terminator instruction.

Example:

  %vreg2 = COPY %vreg1
  JMP %vreg1

Becomes after spilling %vreg2:

  SPILL %vreg1
  JMP %vreg1

The spill doesn't kill the register as is normally the case.

llvm-svn: 125102
 2011-02-08 18:50:21 +00:00
Jakob Stoklund Olesen 3d11c8eaf2 Add assertion. 
llvm-svn: 125101
 2011-02-08 18:50:18 +00:00
Johnny Chen 933fefdd6a Add new radar info for failed test. 
llvm-svn: 125100
 2011-02-08 18:37:49 +00:00
Johnny Chen 78bb926f9b Make the assertion message about 32-bit process address byte size more clear. 
llvm-svn: 125099
 2011-02-08 18:31:06 +00:00