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Author SHA1 Message Date
Francois Pichet fbf7e173d2 Fix 80-column violation. 
llvm-svn: 132447
 2011-06-02 00:47:27 +00:00
Eli Friedman 4e2cefffd5 Revert r132426; this test passes more often than not, and we don't have a way to mark tests as intermittently failing at the moment. 
llvm-svn: 132446
 2011-06-02 00:42:47 +00:00
Akira Hatanaka d84c76f2a7 Test case for r132444. 
llvm-svn: 132445
 2011-06-02 00:25:53 +00:00
Akira Hatanaka 6627752050 Custom-lower FRAMEADDR. Patch by Sasa Stankovic. 
llvm-svn: 132444
 2011-06-02 00:24:44 +00:00
Akira Hatanaka b579fe5f15 Add stuff for o32 ABI conformance. 
llvm-svn: 132443
 2011-06-02 00:09:17 +00:00
Eli Friedman b576b1675c When marking a block as being unanalyzable, use "Clobber" on the terminator instead of the first instruction in the block. This is a bit of a hack; "Clobber" isn't really the right marking in the first place. memdep doesn't really have any way of properly expressing "unanalyzable" at the moment. Using it on the terminator is much less ambiguous than using it on an arbitrary instruction, though. 
In the given testcase, the "Clobber" was pointing to a load, and GVN was incorrectly assuming that meant that the "Clobber" load overlapped the load being analyzed (when they are actually unrelated).

The included testcase tests both this commit and r132434.

Part two of rdar://9429882.  (r132434 was mislabeled.)

llvm-svn: 132442
 2011-06-02 00:08:52 +00:00
Johnny Chen f7626eff37 Turn off printing of command sent to the pexpect-spawned child process to make the script more robotic. 
llvm-svn: 132441
 2011-06-01 23:53:57 +00:00
Jim Ingham 190b959273 If somebody has deleted the breakpoint while we are testing the condition, then just continue. 
llvm-svn: 132440
 2011-06-01 23:52:47 +00:00
Jim Ingham b7bac4a50e Remove the "a.out" argument from somewhere on Greg's machine in the lldb-tool run scheme. 
llvm-svn: 132439
 2011-06-01 23:52:04 +00:00
Johnny Chen 1dba2230b5 Exercise the 'thread backtrace all' command instead of the currently 'thread backtrace' command. 
This serves as a regression test against rdar://problem/9530511.

llvm-svn: 132438
 2011-06-01 23:35:20 +00:00
Chad Rosier 6ded76be9c Typos. 
llvm-svn: 132437
 2011-06-01 23:32:40 +00:00
Johnny Chen f2ddc71310 The 'thread backtrace all' logical branch had the if (thread->GetStatus()) condition inverted. 
rdar://problem/9530511

llvm-svn: 132435
 2011-06-01 23:19:52 +00:00
Eli Friedman 4b6eeb9ca2 In MemoryDependenceAnalysis::getNonLocalPointerDepFromBB, if a given block is is deemed unanalyzable (and we execute one of the "goto PredTranslationFailure" statements), make sure we don't put information about the predecessors of that block into the returned data structures; this can lead to, among other things, extraneous results (which will confuse passes using memdep). Fixes an assert in GVN compiling ruby. Part of rdar://problem/9521954 . 
Testcase coming up soon.

llvm-svn: 132434
 2011-06-01 23:16:53 +00:00
Devang Patel e7181b5fdb A DBG_VALUE that truncates a range does not start another dbg value range. 
llvm-svn: 132433
 2011-06-01 23:00:17 +00:00
Douglas Gregor 7e51117db2 Improve the readability of the "Expressive Diagnostics" page, from Dave Yost! 
llvm-svn: 132432
 2011-06-01 22:45:49 +00:00
Douglas Gregor b32e825ae4 Fix an incorrect warning about explicit template specializations for 
nested types, from Michael Han!

llvm-svn: 132431
 2011-06-01 22:37:07 +00:00
Johnny Chen 8831e18b17 Make 'run-until-faulted.py' script more interesting by modifying the example main.c program 
to seg fault randomly instead of deterministically.

Example:

[15:10:43] johnny:/Volumes/data/lldb/svn/trunk/utils/test $ clang -g main.c
[15:10:46] johnny:/Volumes/data/lldb/svn/trunk/utils/test $ ./run-until-faulted.py -l $PWD/../../build/Debug/lldb -e a.out
lldb command: /Volumes/data/lldb/svn/trunk/utils/test/../../build/Debug/lldb
executable: a.out
executable options: 
(lldb) sending 'file a.out' command...
file a.out
Current executable set to 'a.out' (x86_64).
(lldb) sending 'process launch -- ' command... (iteration: 0)
process launch -- 
Process 63630 launched: '/Volumes/data/lldb/svn/trunk/utils/test/a.out' (x86_64)
Hello, fault!
val=9
Better luck next time!
Process 63630 exited with status = 0 (0x00000000) 
(lldb) sending 'process launch -- ' command... (iteration: 1)
process launch -- 
Process 63633 launched: '/Volumes/data/lldb/svn/trunk/utils/test/a.out' (x86_64)
Process 63633 exited with status = 0 (0x00000000) 
sending 'process launch -- ' command... (iteration: 2)
Hello, fault!
val=0
Better luck next time!
(lldb) process launch -- 
Process 63637 launched: '/Volumes/data/lldb/svn/trunk/utils/test/a.out' (x86_64)
Hello, fault!
val=15
Better luck next time!
Process 63637 exited with status = 0 (0x00000000) 
(lldb) sending 'process launch -- ' command... (iteration: 3)
process launch -- 
Process 63640 launched: '/Volumes/data/lldb/svn/trunk/utils/test/a.out' (x86_64)
Hello, fault!
val=2
Better luck next time!
Process 63640 exited with status = 0 (0x00000000) 
sending 'process launch -- ' command... (iteration: 4)
(lldb) process launch -- 
Process 63643 launched: '/Volumes/data/lldb/svn/trunk/utils/test/a.out' (x86_64)
Process 63643 stopped
* thread #1: tid = 0x2d03, 0x0000000100000e93 a.out`main + 99 at main.c:11, stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
  frame #0: 0x0000000100000e93 a.out`main + 99 at main.c:11
   8   	    u_int32_t val = (arc4random() & 0x0f);
   9   	    printf("val=%u\n", val);
   10  	    if (val == 0x07) // Lucky 7 :-)
-> 11  	        printf("Now segfault %d\n", *null_ptr);
   12  	    else
   13  	        printf("Better luck next time!\n");
   14  	}
(lldb) 
* thread #1: tid = 0x2d03, 0x0000000100000e93 a.out`main + 99 at main.c:11, stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
  frame #0: 0x0000000100000e93 a.out`main + 99 at main.c:11
   8   	    u_int32_t val = (arc4random() & 0x0f);
   9   	    printf("val=%u\n", val);
   10  	    if (val == 0x07) // Lucky 7 :-)
-> 11  	        printf("Now segfault %d\n", *null_ptr);
   12  	    else
   13  	        printf("Better luck next time!\n");
   14  	}
Hello, fault!
val=7
(lldb) 

llvm-svn: 132430
 2011-06-01 22:12:27 +00:00
Devang Patel 324f843107 Do not drop constant values when a variable's content is described using .debug_loc entries. 
llvm-svn: 132427
 2011-06-01 22:03:25 +00:00
Argyrios Kyrtzidis 7e48d8ff0c XFAIL the test on windows. 
llvm-svn: 132426
 2011-06-01 21:52:17 +00:00
Rafael Espindola 341d9b41d4 Add the necessary -L option for finding libprofile_rt.a. It might be a good 
idea at some point to split out the directories where we install our runtime
libraries.

llvm-svn: 132425
 2011-06-01 21:37:00 +00:00
Stuart Hastings 7adc95f69e Recommit 132404 with fixes. rdar://problem/5993888 
llvm-svn: 132424
 2011-06-01 21:33:14 +00:00
Ted Kremenek fb43639926 Rename -Wunknown-attributes to -Wattributes to match GCC. 
llvm-svn: 132422
 2011-06-01 20:09:40 +00:00
Howard Hinnant bc95cf0d5f Experimental support for a meaningful __is_swappable<T>::value. This does not appear to be strictly needed for correct functioning of the library. If it causes any problems, I'd rather pull it sooner rather than later. 
llvm-svn: 132421
 2011-06-01 19:59:32 +00:00
Eric Christopher 690030c116 Allow bitcasts between valid types of the same size and vector 
types if the vector type is legal.

Fixes rdar://9306086

llvm-svn: 132420
 2011-06-01 19:55:10 +00:00
Stuart Hastings aab130d995 Revert 132404 to appease a buildbot. rdar://problem/5993888 
llvm-svn: 132419
 2011-06-01 19:52:20 +00:00
Nadav Rotem 22ad9bb7d9 Refactor LegalizeTypes: Erase LegalizeAction and make the type legalizer use 
the TargetLowering enum.

llvm-svn: 132418
 2011-06-01 19:47:10 +00:00
Johnny Chen 755faf7744 Make it clear that the Python script modify-python-lldb.py is responsible for post-processing 
the SWIG-generated lldb.py module by adding comments in the post-processed file in order to
facilitate reading of the code.

llvm-svn: 132417
 2011-06-01 19:21:08 +00:00
Andrew Trick 8ef3ad049d SCEV: missing null check fix for r132360, dragonegg crash. 
llvm-svn: 132416
 2011-06-01 19:14:56 +00:00
Jakob Stoklund Olesen e9cc8e90b7 Revert r132358 "Simplify the eviction policy by making the failsafe explicit." 
This commit caused regressions in i386 flops-[568], matrix, salsa20,
256.bzip2, and enc-md5.

llvm-svn: 132413
 2011-06-01 18:45:02 +00:00
Johnny Chen 2ced507a1e Fix comment. 
llvm-svn: 132412
 2011-06-01 18:40:11 +00:00
Stuart Hastings 3ae49c03a4 Fix double FGETSIGN to work on x86_32; followup to 132396. 
rdar://problem/5660695

llvm-svn: 132411
 2011-06-01 18:32:25 +00:00
Eric Christopher d949eb714a Add a testcase, enabled only on arm, for llvm-gcc r132366. 
llvm-svn: 132409
 2011-06-01 18:23:56 +00:00
Stuart Hastings 41b1aa466d Cleanup test case. rdar://problem/5660695 
llvm-svn: 132408
 2011-06-01 18:23:14 +00:00
Ted Kremenek 8c66ae7ddc Remove derelict documentation. 
llvm-svn: 132407
 2011-06-01 17:45:02 +00:00
Howard Hinnant e88f577da1 Turning on cxx_nullptr exposed a latent bug in is_function, causing nullptr to wrongly classify as a function. Fixed. 
llvm-svn: 132406
 2011-06-01 17:25:11 +00:00
Benjamin Kramer 10539ada05 Initialize IssueWidth to zero. 
Fixes valgrind errors in the CellSPU backend.

llvm-svn: 132405
 2011-06-01 17:19:08 +00:00
Stuart Hastings 7b7c102f2c Add support for x86 CMPEQSS and friends. These instructions do a 
floating-point comparison, generate a mask of 0s or 1s, and generally
DTRT with NaNs.  Only profitable when the user wants a materialized 0
or 1 at runtime.  rdar://problem/5993888

llvm-svn: 132404
 2011-06-01 17:17:45 +00:00
Eli Friedman ede23f760b Don't use stdint.h; including it directly is not allowed from LLVM code because it doesn't exist on MSVC. 
llvm-svn: 132403
 2011-06-01 16:57:54 +00:00
Stuart Hastings 2380483355 Reapply 132348 with fixes. rdar://problem/6501862 
llvm-svn: 132402
 2011-06-01 16:42:47 +00:00
Stuart Hastings 6f89e2ffaa A forthcoming SSE patch will break this test; since the test is also 
valid for x87, re-target to x87.  rdar://problem/5993888

llvm-svn: 132401
 2011-06-01 16:13:09 +00:00
Douglas Gregor 981e37d727 The expression in a noexcept exception-specification is a 
constant-expression, and, therefore, an unevaluated operand. Make it
so.

llvm-svn: 132400
 2011-06-01 15:55:51 +00:00
Stuart Hastings 4d2fe66dc0 Test case for 132396. rdar://problem/5660695 
llvm-svn: 132399
 2011-06-01 15:50:29 +00:00
Jakob Stoklund Olesen 56ce3a0f01 Fix PR10059 and future variations by handling all register subclasses. 
Add TargetRegisterInfo::hasSubClassEq and use it to check for compatible
register classes instead of trying to list all register classes in
X86's getLoadStoreRegOpcode.

llvm-svn: 132398
 2011-06-01 15:32:10 +00:00
Douglas Gregor 39e9fa938c Implement comparisons between nullptr and Objective-C object 
pointers. Fixes PR10052.

llvm-svn: 132397
 2011-06-01 15:12:24 +00:00
Stuart Hastings fd5ecd0cec Turn on FGETSIGN for x86. Followup to 132388. rdar://problem/5660695 
llvm-svn: 132396
 2011-06-01 14:04:17 +00:00
Joerg Sonnenberger af5f23ee07 Add new -d option to tblgen. It writes a make(1)-style dependency file. 
llvm-svn: 132395
 2011-06-01 13:10:15 +00:00
Nadav Rotem 8b24a731f2 This patch is another step in the direction of adding vector select. In this 
patch we add a flag to enable a new type legalization decision - to promote
integer elements in vectors. Currently, the rest of the codegen does not support
this kind of legalization.  This flag will be removed when the transition is
complete.

llvm-svn: 132394
 2011-06-01 12:51:46 +00:00
Benjamin Kramer 9ed423b504 Remove pointless assert, N is unsigned. 
llvm-svn: 132392
 2011-06-01 08:57:04 +00:00
Benjamin Kramer ded902f4d3 Change a name for consistency and hopefully unbreak builds with gcc 4.6. 
llvm-svn: 132391
 2011-06-01 08:56:20 +00:00
Nick Lewycky 1be750abc6 Even a return statement of an expression with a dependent type in a void 
function might need to clean up its temporaries. Fixes PR10057.

llvm-svn: 132390
 2011-06-01 07:44:31 +00:00