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Author SHA1 Message Date
Bill Wendling
aa5abe88d6 [unwind removal] We no longer have 'unwind' instructions being generated, so 
remove the code that handles them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149901 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 21:16:41 +00:00
Bill Wendling
0f96817d01 'unwind' is a keyword, not an instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149898 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 21:02:43 +00:00
Bill Wendling
e185fada9b [unwind removal] Remove the 'unwind' instruction parsing bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149897 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 20:50:27 +00:00
Chandler Carruth
7d5a289f2d Introduce helpers to compute the 32-bit varaints and 64-bit variants of 
some architectures. These are useful for interacting with multiarch or
bi-arch GCC (or GCC-based) toolchains.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149895 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 20:46:33 +00:00
Derek Schuff
fccf0623ee Test commit; also removes some trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149887 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 19:03:04 +00:00
Bill Wendling
b595c48a8a The 'unwind' instruction is deprecated and will be removed, making this test 
obsolete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149880 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 18:18:47 +00:00
Devang Patel
ba98b6bdd1 Update docs describing objective-c property encoding. This includes support for properties that are not backed by an ivar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149879 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 18:18:25 +00:00
Bill Wendling
5a65864f92 Mention that the 'unwind' instruction is now deprecated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149876 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 17:58:34 +00:00
Devang Patel
6588abf377 DebugInfo: Provide a new hook to encode relationship between a property and an ivar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149874 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 17:49:43 +00:00
Peter Collingbourne
793a32dfb6 Update ExceptionDemo to use ConstantDataArray. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149867 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 14:09:13 +00:00
Benjamin Kramer
699ddcbcb3 X86: Don't call malloc for 4 bits. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149866 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 12:06:18 +00:00
Benjamin Kramer
7ba962fe4a Make helper static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149865 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 11:28:19 +00:00
Benjamin Kramer
f3fd7ee415 Hexagon: Remove forbidden iostream includes (it introduces static initializers) 
Reorder includes while at it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149863 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 10:19:29 +00:00
Nick Lewycky
da82fd411e Split part of EvaluateFunction into a new EvaluateBlock method. No functionality 
change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149861 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 08:24:44 +00:00
Craig Topper
aae875c27c Move some llvm_unreachable's from r149849 out of switch statements to satisfy -Wcovered-switch-default 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149860 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 08:17:43 +00:00
Craig Topper
d156dc11f9 Add shuffle decoding support for 256-bit pshufd. Merge vpermilp* and pshufd decoding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149859 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 07:17:51 +00:00
Sebastian Pop
1230ad6e8c fix indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149857 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 05:29:32 +00:00
Sebastian Pop
41a2600f6a fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149856 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-06 05:29:29 +00:00
Benjamin Kramer
c05277ea87 SmallVector's construct_range is the same thing as std::uninitialized_fill, no need to reinvent it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149851 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 22:48:31 +00:00
Benjamin Kramer
b25e44ec15 Simplify code. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149850 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 22:14:48 +00:00
Craig Topper
50bee42b54 Convert assert(0) to llvm_unreachable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149849 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 22:14:15 +00:00
Talin
2cb395eae7 Efficient Constant Uniquing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149848 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 20:54:10 +00:00
Nick Lewycky
fad4d40f37 Teach GlobalOpt to handle atomic accesses to globals. 
* Most of the transforms come through intact by having each transformed load or
store copy the ordering and synchronization scope of the original.
 * The transform that turns a global only accessed in main() into an alloca
(since main is non-recursive) with a store of the initial value uses an
unordered store, since it's guaranteed to be the first thing to happen in main.
(Threads may have started before main (!) but they can't have the address of a
function local before the point in the entry block we insert our code.)
 * The heap-SRoA transforms are disabled in the face of atomic operations. This
can probably be improved; it seems odd to have atomic accesses to an alloca
that doesn't have its address taken.

AnalyzeGlobal keeps track of the strongest ordering found in any use of the
global. This is more information than we need right now, but it's cheap to
compute and likely to be useful.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149847 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 19:56:38 +00:00
Evan Cheng
dc7c716a1c DefinesPredicate should only look for def operands. Patch by Ludwig Meier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149846 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 19:55:04 +00:00
Nick Lewycky
bc384a1feb Clean up some whitespace and comments. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149845 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 19:48:37 +00:00
Aaron Ballman
17da6e7ad8 Fixing a warning in MSVC (this is also a test commit) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149844 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 19:43:39 +00:00
Duncan Sands
c4fd448712 Neaten up this method. Check that if there is only one 
predecessor then it's Src.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149843 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 19:43:37 +00:00
Duncan Sands
23f612113a Remove dead test: this was already checked and handled a few lines 
above.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149841 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 19:30:06 +00:00
Duncan Sands
7abf924d31 Testcase for commit 149833 (use of an uninitialized variable noticed 
by GCC).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149840 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 19:27:57 +00:00
Duncan Sands
87ba3f122b Fix a thinko pointed out by Eli and the buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149839 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 18:56:50 +00:00
Duncan Sands
33756f96d7 Reduce the number of dom queries made by GVN's conditional propagation 
logic by half: isOnlyReachableViaThisEdge was trying to be clever and
handle the case of a branch to a basic block which is contained in a
loop.  This costs a domtree lookup and is completely useless due to
GVN's position in the pass pipeline: all loops have preheaders at this
point, which means it is enough for isOnlyReachableViaThisEdge to check
that Dst has only one predecessor.  (I checked this theoretical argument
by running over the entire nightly testsuite, and indeed it is so!).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149838 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 18:25:50 +00:00
Duncan Sands
68e20223a7 Reduce the number of non-trivial domtree queries by about 1% when 
compiling sqlite3, by only doing dom queries after the cheap check
rather than interleaved with it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149836 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 15:50:43 +00:00
Duncan Sands
5b8a1db7ea Persuade GCC that there is nothing worth warning about here (there isn't). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149834 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 14:20:11 +00:00
Duncan Sands
853066a32a Don't initialize CV in terms of itself! Spotted by GCC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149833 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 14:16:09 +00:00
Duncan Sands
408a25c583 Explain to the compiler why TargetAddr is not used uninitialized later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149832 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 14:14:35 +00:00
Nadav Rotem
cc870a8f93 Add additional documentation to the extract-and-trunc dagcombine optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149823 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 11:39:23 +00:00
Benjamin Kramer
d52d9cd038 Testing vector code without sse doesn't make much sense. 
Should bring arm and ppc testers back to life (they default to -mcpu=generic)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149821 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 11:19:39 +00:00
Eli Bendersky
3d6b64a1eb Fix typo and broken link 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149820 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 11:17:49 +00:00
Eli Bendersky
371d7b0610 Add missing paren 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149817 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 09:21:25 +00:00
Craig Topper
5e25ee8a1f Convert assert(0) to llvm_unreachable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149816 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 08:31:47 +00:00
Chandler Carruth
69f44692bf Begin fleshing out more convenience predicates in llvm::Triple and 
convert at least one client over to use them. Subsequent patches both to
LLVM and Clang will try to convert more people over to a common set of
predicates.

This round of predicates is focused on OS-categorization predicates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149815 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 08:26:40 +00:00
Craig Topper
655b8de7b2 Convert assert(0) to llvm_unreachable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149814 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 07:21:30 +00:00
David Blaikie
0b2500c504 Simplify contains tests using 'count'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149813 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 06:35:36 +00:00
NAKAMURA Takumi
5c05f2b99e BBVectorize.cpp: Get rid of comparision to bool to fix a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149810 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 05:47:51 +00:00
Craig Topper
6d1263acb9 Convert assert(0) to llvm_unreachable in X86 Target directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149809 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 05:38:58 +00:00
Craig Topper
abb94d0687 Convert some assert(0) in default of switch statements to llvm_unreachable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149808 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 03:43:23 +00:00
Craig Topper
5b209e84f4 Add target specific node for PMULUDQ. Change patterns to use it and custom lower intrinsics to it. Use it instead of intrinsic to handle 64-bit vector multiplies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149807 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 03:14:49 +00:00
Chris Lattner
2237f84735 Improve the bitcode reader's handling of constant strings to use 
ConstantDataArray::getString direction, instead of "boxing" each
byte into a ConstantInt and using ConstantArray::get.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149805 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 02:41:35 +00:00
Chris Lattner
521a255693 Add a test for the miscompilation my recent ConstantDataArray patches introduced, to make sure 
we don't regress on it in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149803 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 02:37:36 +00:00
Chris Lattner
18c7f80b3e reapply the patches reverted in r149470 that reenable ConstantDataArray, 
but with a critical fix to the SelectionDAG code that optimizes copies
from strings into immediate stores: the previous code was stopping reading
string data at the first nul.  Address this by adding a new argument to
llvm::getConstantStringInfo, preserving the behavior before the patch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149800 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-05 02:29:43 +00:00