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Author SHA1 Message Date
Bob Wilson
b53c801366 Recognize canonical forms of vector shuffles where the same vector is used for 
both source operands.  In the canonical form, the 2nd operand is changed to an
undef and the shuffle mask is adjusted to only reference elements from the 1st
operand.  Radar 7434842.

llvm-svn: 90417
 2009-12-03 06:40:55 +00:00
Jakob Stoklund Olesen
c4ee94503f Don't call getValueType() on a null SDValue 
llvm-svn: 90415
 2009-12-03 05:15:35 +00:00
Owen Anderson
251cb28a25 Fix this crasher, and add a FIXME for a missed optimization. 
llvm-svn: 90408
 2009-12-03 03:43:29 +00:00
Evan Cheng
1c3edb4fa8 Fill out codegen SSA updater. It's not yet tested. 
llvm-svn: 90395
 2009-12-03 02:31:43 +00:00
Bill Wendling
4dbdfa814e Revert r90371. It was causing build failures. 
llvm-svn: 90383
 2009-12-03 01:54:07 +00:00
Jakob Stoklund Olesen
6772f75d4d Don't hang on to pointers or references after vector::push_back. 
The MO reference to a MachineOperand can be invalidated by
MachineInstr::addOperand. Don't even use it for debugging.

llvm-svn: 90381
 2009-12-03 01:49:56 +00:00
Chris Lattner
3bf9321d67 add a failing testcase. 
llvm-svn: 90380
 2009-12-03 01:46:18 +00:00
Devang Patel
45a72a7032 Emit method definition DIE at module level (even for methods with inlined functino body at soure level) so that the debugger can invoke it. This fixes many test failures in gdb test suite. 
llvm-svn: 90375
 2009-12-03 01:25:38 +00:00
Bill Wendling
b01be4b16d Further improvements: refactoring code that does the same thing into one 
function, converting "dyn_cast" to "cast", asserting the correct things, and
other general cleanups.

llvm-svn: 90371
 2009-12-03 01:15:46 +00:00
Chris Lattner
29e2e60be6 yay for case insensitive file systems (?) 
llvm-svn: 90370
 2009-12-03 01:10:05 +00:00
Chris Lattner
851aea6ce2 fix PR5673 by being more careful about pointers to functions. 
llvm-svn: 90369
 2009-12-03 01:05:45 +00:00
Chris Lattner
09df97d257 remove some dead std::ostream using code. 
llvm-svn: 90366
 2009-12-03 00:55:04 +00:00
Chris Lattner
9ce833945e improve portability to avoid conflicting with std::next in c++'0x. 
Patch by Howard Hinnant!

llvm-svn: 90365
 2009-12-03 00:50:42 +00:00
Bill Wendling
db54e8c67c This initial code is meant to convert TargetData to use an AbstractTypesUser so 
that it doesn't have dangling pointers when abstract types are resolved. This
modifies it somewhat to address comments: making the "StructLayoutMap" an
anonymous structure, calling "removeAbstractTypeUser" when appropriate, and
adding asserts where helpful.

llvm-svn: 90362
 2009-12-03 00:17:12 +00:00
Douglas Gregor
7416e5586f Fix CMake makefiles 
llvm-svn: 90354
 2009-12-02 22:19:31 +00:00
Evan Cheng
e573096db2 Skeleton for MachineInstr level SSA updater. 
llvm-svn: 90353
 2009-12-02 22:02:52 +00:00
Bill Wendling
0eb481a249 Remove unnecessary check. 
llvm-svn: 90352
 2009-12-02 22:02:20 +00:00
Jim Grosbach
230025f501 Add MaxStackAlignment.cpp to CMake 
llvm-svn: 90337
 2009-12-02 19:31:07 +00:00
Jim Grosbach
0e1230b23b Factor the stack alignment calculations out into a target independent pass. 
No functionality change.

llvm-svn: 90336
 2009-12-02 19:30:24 +00:00
Bob Wilson
adb1889175 Don't count PHI instructions toward the limit for tail duplicating a block. 
llvm-svn: 90326
 2009-12-02 17:15:24 +00:00
Jim Grosbach
ccb304105a Move EliminateDuplicatePHINodes() from SimplifyCFG.cpp to Local.cpp 
llvm-svn: 90324
 2009-12-02 17:06:45 +00:00
Andreas Neustifter
e70972f8d5 Cheap, mostly strict, stable sorting. 
This is necessary for tests so the results are comparable.

llvm-svn: 90320
 2009-12-02 15:57:15 +00:00
Benjamin Kramer
65c962b3aa Silence compiler warnings. 
llvm-svn: 90319
 2009-12-02 15:33:44 +00:00
Devang Patel
6f4a280987 Clarify that DIEString does not keep a copy of the string. 
llvm-svn: 90318
 2009-12-02 15:25:16 +00:00
Owen Anderson
f47cde694f Cleanup/remove some parts of the lifetime region handling code in memdep and GVN, 
per Chris' comments.  Adjust testcases to match.

llvm-svn: 90304
 2009-12-02 07:35:19 +00:00
Chris Lattner
b541c63e60 factor some code better. 
llvm-svn: 90299
 2009-12-02 06:44:58 +00:00
Chris Lattner
90aff65316 formatting cleanups. 
llvm-svn: 90298
 2009-12-02 06:35:55 +00:00
Chris Lattner
cb2c4e9f42 tidy up, remove dependence on order of evaluation of function args from EmitMemCpy. 
llvm-svn: 90297
 2009-12-02 06:05:42 +00:00
Chris Lattner
2d3554c3d9 merge sext-2 into sext.ll 
llvm-svn: 90293
 2009-12-02 05:34:35 +00:00
Chris Lattner
3781027d07 rename test 
llvm-svn: 90292
 2009-12-02 05:32:33 +00:00
Chris Lattner
2c2a69cd14 filecheckize 
llvm-svn: 90291
 2009-12-02 05:32:16 +00:00
Mon P Wang
91ac05d480 Fixed an assertion failure for tracking sext of a vector of integers 
llvm-svn: 90290
 2009-12-02 04:59:58 +00:00
Devang Patel
122acaf238 Add utility routine to create subprogram definition entry from subprogram declaration entry. 
llvm-svn: 90282
 2009-12-01 23:09:02 +00:00
Devang Patel
190698f233 Reuse existing subprogram DIE. 
llvm-svn: 90281
 2009-12-01 23:07:59 +00:00
Chris Lattner
bd9a13086f return more useful error messages by using strerror to format errno 
instead of returning an ambiguous reason.

llvm-svn: 90275
 2009-12-01 22:51:41 +00:00
Eric Christopher
89bb07c217 Update per Bill's comments. Work in progress. 
llvm-svn: 90271
 2009-12-01 22:28:41 +00:00
Evan Cheng
0c687845b1 Fix PR5391: support early clobber physical register def tied with a use (ewwww) 
- A valno should be set HasRedefByEC if there is an early clobber def in the middle of its live ranges. It should not be set if the def of the valno is defined by an early clobber.
- If a physical register def is tied to an use and it's an early clobber, it just means the HasRedefByEC is set since it's still one continuous live range.
- Add a couple of missing checks for HasRedefByEC in the coalescer. In general, it should not coalesce a vr with a physical register if the physical register has a early clobber def somewhere. This is overly conservative but that's the price for using such a nasty inline asm "feature".

llvm-svn: 90269
 2009-12-01 22:25:00 +00:00
Jim Grosbach
7688d320c9 test case for IV-Users simplification loop improvement 
llvm-svn: 90260
 2009-12-01 21:53:51 +00:00
Chris Lattner
cb2e2bd645 rename some variables. 
llvm-svn: 90258
 2009-12-01 21:16:01 +00:00
Chris Lattner
9cd2498f45 tidy 
llvm-svn: 90257
 2009-12-01 21:15:15 +00:00
Dan Gohman
3f4d608e3c Add edge source labels to SelectionDAG graphs, now that the graph printing 
framework omits differentiated edge sources in the case where the labels
are empty strings.

llvm-svn: 90254
 2009-12-01 19:20:00 +00:00
Dan Gohman
78e1e2806c Minor cleanups. 
llvm-svn: 90253
 2009-12-01 19:16:15 +00:00
Dan Gohman
58675165bb Trim an unnecessary #include. 
llvm-svn: 90252
 2009-12-01 19:13:27 +00:00
Daniel Dunbar
d7bfe3a398 Don't default warnings to ON on MSVC, the spew is enough to triple the build time. :/ 
llvm-svn: 90251
 2009-12-01 19:11:36 +00:00
Devang Patel
45858cdfe6 Clear function specific containers while processing end of a function, even if DW_TAG_subprogram for current function is not found. 
llvm-svn: 90247
 2009-12-01 18:13:48 +00:00
Jim Grosbach
5541b5f793 Thumb1 exception handling setjmp 
llvm-svn: 90246
 2009-12-01 18:10:36 +00:00
Johnny Chen
e3171163da For VLDM/VSTM (Advanced SIMD), set encoding bits Inst{11-8} to 0b1011. 
llvm-svn: 90243
 2009-12-01 17:37:06 +00:00
Jakob Stoklund Olesen
2b50f038b1 Move PHIElimination::isLiveOut method to LiveVariables. 
We want LiveVariables clients to use methods rather than accessing the
getVarInfo data structure directly. That way it will be possible to change the
LiveVariables representation.

llvm-svn: 90240
 2009-12-01 17:13:31 +00:00
Gabor Greif
234d7dbe09 typo 
llvm-svn: 90236
 2009-12-01 15:53:33 +00:00
Gabor Greif
e65e0b8591 demonstrate usage of Cases() mapping several strings to the same value; remove trailing spaces 
llvm-svn: 90230
 2009-12-01 12:53:56 +00:00