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106710 Commits

Author SHA1 Message Date
Nick Lewycky 7574774874 Revert r132630. GCC passes everything down, we aren't trying to replicate that. 
llvm-svn: 132637
 2011-06-04 09:06:25 +00:00
Jakob Stoklund Olesen 25b753bb3f Drop a RecordKeeper reference that wasn't necessary. 
llvm-svn: 132636
 2011-06-04 07:49:55 +00:00
Roman Divacky 5e300b82e2 Adjust the linker for PowerPC64/-m32 on FreeBSD too. 
llvm-svn: 132635
 2011-06-04 07:40:24 +00:00
Roman Divacky 00859c29bf Make -m32 work on FreeBSD/PowerPC64. 
llvm-svn: 132634
 2011-06-04 07:37:31 +00:00
Dan Gohman baf1afb289 Add a testcase to demonstrate the problem where phi translation is 
ignored for clobbering partial-alias loads.

llvm-svn: 132633
 2011-06-04 07:05:05 +00:00
Dan Gohman adf80ae9e4 Reapply r131781, now that the GVN bug with partially-aliasing loads 
is disabled.

llvm-svn: 132632
 2011-06-04 06:50:18 +00:00
Dan Gohman a471751c24 Disable the main feature of 130180, the elimination of loads that are 
redundant with partially-aliasing loads.

When computing what portion of a clobbering load value is needed,
it doesn't consider phi-translation which may have occurred
between the clobbing load and the redundant load.

llvm-svn: 132631
 2011-06-04 06:48:50 +00:00
Nick Lewycky 6d92b72e70 GCC passes -z foo directly through to the linker (and yes -z=foo becomes 
"-z =foo"). Do the same thing in clang.

llvm-svn: 132630
 2011-06-04 06:48:26 +00:00
Nick Lewycky 97864dac76 On linux, -nostdlib was causing a --start-group with no --end-group to be passed 
to the linker.

llvm-svn: 132629
 2011-06-04 06:27:06 +00:00
Dan Gohman 43efe1c8bd Remove this test, which should have been reverted along with r131781. 
llvm-svn: 132628
 2011-06-04 06:21:23 +00:00
Roman Divacky 35c669708d Use processor name in the target triple. This fixes PowerPC64 to generate 
64bit code for example.

llvm-svn: 132627
 2011-06-04 06:15:42 +00:00
Nick Lewycky 62188bbb90 Identifiers with _CapitalLetter are reserved, so don't use them. Prefer the 
common C++ pattern of using the same name for the constructor argument as you
do for the member. Noticed by inspection.

llvm-svn: 132626
 2011-06-04 05:19:42 +00:00
Dan Gohman 87fdceaf73 Revert r131781 again. Apparently there is more going on here. 
llvm-svn: 132625
 2011-06-04 05:11:22 +00:00
Jakob Stoklund Olesen a4615a6f94 Silence compiler warnings. 
llvm-svn: 132624
 2011-06-04 05:09:36 +00:00
Galina Kistanova a6faf8e28b These tests require particular registered targets. Declared as such. 
llvm-svn: 132623
 2011-06-04 04:38:16 +00:00
Alexis Hunt 4ac55e33be Reimplement r132572 on top of a FoldingSet, thus hopefully solving both 
the self-host failures and Chandler's concerns.

llvm-svn: 132622
 2011-06-04 04:32:43 +00:00
Jakob Stoklund Olesen fc205a5694 Teach TableGen to evaluate DAG expressions as set operations. 
A TableGen backend can define how certain classes can be expanded into
ordered sets of defs, typically by evaluating a specific field in the
record. The SetTheory class can then evaluate DAG expressions that refer
to these named sets.

A number of standard set and list operations are predefined, and the
backend can add more specialized operators if needed. The -print-sets
backend is used by SetTheory.td to provide examples.

This is intended to simplify how register classes are defined:

  def GR32_NOSP : RegisterClass<"X86", [i32], 32, (sub GR32, ESP)>;

llvm-svn: 132621
 2011-06-04 04:11:37 +00:00
Nick Lewycky 75b2053863 Fold assert-only-used variable into the assert. 
llvm-svn: 132620
 2011-06-04 02:07:10 +00:00
Nick Lewycky c101ebfc8f Remove extraneous "virtual" keyword and non-virtual destructor. Caught by 
-Wnon-virtual-dtor!

llvm-svn: 132619
 2011-06-04 02:04:22 +00:00
Jordy Rose fb5e8c2814 [analyzer] Change an indent-if to an early return. No functionality change. 
llvm-svn: 132618
 2011-06-04 01:50:25 +00:00
Jordy Rose 097c5397a8 [analyzer] Don't crash when copying an unknown number of bytes with memcpy(). Also handle all memcpy-family return values in evalCopyCommon(), rather than having some outside and some inside. 
llvm-svn: 132617
 2011-06-04 01:47:27 +00:00
Andrew Trick c73aa1ee81 Missing include of climits in the new BranchProbability pass. 
llvm-svn: 132616
 2011-06-04 01:30:52 +00:00
Greg Clayton a658fd26c3 Created a std::string in the base StopInfo class for the description and 
cleaned up all base classes that had their own copy. Added a SetDescription
accessor to the StopInfo class.

llvm-svn: 132615
 2011-06-04 01:26:29 +00:00
Jordy Rose 64ae92e5c5 [analyzer] Remove extra assignment that actually lost a few of the assumptions. 
llvm-svn: 132614
 2011-06-04 01:22:21 +00:00
Andrew Trick 49371f3f33 New BranchProbabilityInfo analysis. Patch by Jakub Staszak! 
BranchProbabilityInfo provides an interface for IR passes to query the
likelihood that control follows a CFG edge. This patch provides an
initial implementation of static branch predication that will populate
BranchProbabilityInfo for branches with no external profile
information using very simple heuristics. It currently isn't hooked up
to any external profile data, so static prediction does all the work.

llvm-svn: 132613
 2011-06-04 01:16:30 +00:00
Tanya Lattner 55808c1026 Add support for builtin astype: 
__builtin_astype(): Used to reinterpreted as another data type of the same size using for both scalar and vector data types.
Added test case.

llvm-svn: 132612
 2011-06-04 00:47:47 +00:00
Dan Gohman 27b82f2f91 Reapply r131781 (revert r131809), now that some BasicAA shortcomings 
it exposed are fixed.

llvm-svn: 132611
 2011-06-04 00:46:31 +00:00
Devang Patel 1b291b22d0 Rework r132576. 
Emit debug info only if there is an insertion point. The debug info should not force an insertion point. Codegen may later on decide to not emit code for some reason, see extensive comment in CodeGenFunction::EmitStmt(), and debug info should not get in the way.

llvm-svn: 132610
 2011-06-04 00:38:02 +00:00
Dan Gohman fb02cec44e Fix BasicAA's recursion detection so that it doesn't pessimize 
queries in the case of a DAG, where a query reaches a node
visited earlier, but it's not on a cycle. This avoids
MayAlias results in cases where BasicAA is expected to
return MustAlias or PartialAlias in order to protect TBAA.

llvm-svn: 132609
 2011-06-04 00:31:50 +00:00
Jordy Rose 4451cd4511 [analyzer] Fix comment for (still-disabled) evalStrncpy 
llvm-svn: 132608
 2011-06-04 00:05:23 +00:00
Jordy Rose 63b84be6cb [analyzer] Fix handling of "copy zero bytes" for memcpy and friends. 
llvm-svn: 132607
 2011-06-04 00:04:22 +00:00
Stuart Hastings be605494ac Reapply 132424 with fixes. This fixes PR10068. 
rdar://problem/5993888

llvm-svn: 132606
 2011-06-03 23:53:54 +00:00
Jordy Rose aee7fb9e64 [analyzer] __mempcpy_chk is the same as mempcpy (at least to CStringChecker) 
llvm-svn: 132605
 2011-06-03 23:42:56 +00:00
Jonathan D. Turner 205c7d559f Improvements to abbreviations for PCH which add support for EnumDecl, ObjCIvarDecl, TypedefDecl, VarDecl and FieldDecl and improve support for ParmVarDecl. 
llvm-svn: 132604
 2011-06-03 23:11:16 +00:00
Douglas Gregor 4cd65962dc Expose @synthesize and @dynamic via their own cursor kinds in 
libclang. Fixes <rdar://problem/9537904>.

llvm-svn: 132603
 2011-06-03 23:08:58 +00:00
Jakob Stoklund Olesen 496fa5556f Fix some tests that depend on register allocation. 
llvm-svn: 132602
 2011-06-03 22:45:21 +00:00
Jakob Stoklund Olesen e1c6d3acb4 Blackfin always uses a reserved call frame. 
Materializing the stack pointer update before a call requires a scratch
register that may not be available.

llvm-svn: 132601
 2011-06-03 22:45:18 +00:00
Galina Kistanova f56b4f6fdd These tests require particular registered targets. Declared as such. 
llvm-svn: 132600
 2011-06-03 22:24:54 +00:00
Greg Clayton 54e8ac5562 Make sure we are ok to stop in a thread plan and have no stop reason for 
the thread we were running on (other thread crashed or had exceptional stop
reason).

llvm-svn: 132599
 2011-06-03 22:12:42 +00:00
Eric Christopher 1e3e8933ed Another possible bug. Stopgap until we can autogenerate tables and 
constraint lengths.

Part of rdar://9037836 and rdar://9119939

llvm-svn: 132598
 2011-06-03 22:09:12 +00:00
Greg Clayton 3b292a1ed3 Don't codesign with lldb_codesign for non MacOSX SDKs. 
llvm-svn: 132597
 2011-06-03 22:08:56 +00:00
Jonathan D. Turner d09655fce5 Test of commit access. 
llvm-svn: 132596
 2011-06-03 21:46:44 +00:00
Johnny Chen c95f5de211 Add InferiorCallPOSIX.cpp/.h into the xcode project file to fix build error. 
llvm-svn: 132594
 2011-06-03 21:27:28 +00:00
Alexis Hunt 967ea7ca6b Revert r132572 to figure out why it broke selfhost and clean it up as 
suggested by Chandler.

llvm-svn: 132593
 2011-06-03 21:10:40 +00:00
Eric Christopher 714af006a2 Testcase for llvm-gcc commit r132591. 
Part of rdar://9037836 and rdar://9119939

llvm-svn: 132592
 2011-06-03 20:56:31 +00:00
Eric Christopher 761a5d4280 Fix an off by one error. 
Part of rdar://9037836 and rdar://9119939

llvm-svn: 132590
 2011-06-03 20:44:52 +00:00
Bill Wendling 9e900784f2 Remove testcase. It's problematic for the buildbots. 
llvm-svn: 132589
 2011-06-03 20:43:58 +00:00
Peter Collingbourne 6b5f17a586 Fix some order-of-initialisation warnings 
llvm-svn: 132588
 2011-06-03 20:41:09 +00:00
Peter Collingbourne 10bc01032c Implement RegisterContextLinux_x86_64::{Read,Write}AllRegisterValues 
llvm-svn: 132587
 2011-06-03 20:41:02 +00:00
Peter Collingbourne 5a6fa540dc Move SaveFrameZeroState and RestoreSaveFrameZero implementations to Thread base class 
llvm-svn: 132586
 2011-06-03 20:40:54 +00:00