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102357 Commits

Author SHA1 Message Date
John McCall 7684ddee7c When comparing a null pointer and something else, always cast the null 
pointer instead of the other operand.

llvm-svn: 127458
 2011-03-11 04:25:25 +00:00
Jim Ingham 9575d8446c Add a first pass at a "stop hook" mechanism. This allows you to add commands that get run every time the debugger stops, whether due to a breakpoint, the end of a step, interrupt, etc. You can also specify in which context you want the stop hook to run, for instance only on a particular thread, or only in a particular shared library, function, file, line range within a file. 
Still need to add "in methods of a class" to the specifiers, and the ability to write the stop hooks in the Scripting language as well as in the Command Language.

llvm-svn: 127457
 2011-03-11 03:53:59 +00:00
Jim Grosbach f17b0031f3 Teach TableGen to pre-calculate register enum values when creating the 
CodeGenRegister entries. Use this information to more intelligently build
the literal register entires in the DAGISel matcher table. Specifically,
use a single-byte OPC_EmitRegister entry for registers with a value of
less than 256 and OPC_EmitRegister2 entry for registers with a larger value.

rdar://9066491

llvm-svn: 127456
 2011-03-11 02:19:02 +00:00
Ken Dyck 327b77a442 Convert the RecordSize parameter of AppendTailPadding() to CharUnits to 
avoid converting to bits and back again. No change in functionality
intended.

llvm-svn: 127455
 2011-03-11 02:17:05 +00:00
Ken Dyck dbc0191181 Overload IntExprEvaluator::Success() with a function that takes a CharUnits 
parameter to tidy up the places where the expression is a size.

llvm-svn: 127454
 2011-03-11 02:13:43 +00:00
Chris Lattner 05a23b1e61 silence a conditional assignment -Wuninitialized warning. 
llvm-svn: 127453
 2011-03-11 02:12:51 +00:00
Jim Ingham bad87feca2 CommandInterpreter::HandleCommands should take its commands as a "const StringList &" since it doesn't modify it... 
Also, don't turn on the immediate output in the temporary result, or you'll get doubled output.

llvm-svn: 127452
 2011-03-11 01:51:49 +00:00
Jim Ingham e1e96027a6 Fix a few things in the CommandArguments table. 
llvm-svn: 127451
 2011-03-11 01:50:30 +00:00
Jim Ingham b2605bc96d Declare some const functions as const. 
llvm-svn: 127450
 2011-03-11 01:48:52 +00:00
Jim Ingham 17de754181 Fix a typo in a comment. 
llvm-svn: 127449
 2011-03-11 01:48:09 +00:00
Jim Grosbach eb52c23646 Make the register enum value part of the CodeGenRegister struct. 
llvm-svn: 127448
 2011-03-11 01:33:54 +00:00
Jim Grosbach f910bf29a9 Trailing whitespace. 
llvm-svn: 127447
 2011-03-11 01:27:24 +00:00
Jim Grosbach b1ac770fa3 Trailing whitespace. 
llvm-svn: 127446
 2011-03-11 01:19:05 +00:00
Jim Grosbach d0fc231e13 Tidy up since ARM MOVCCi and MOVCCi16 are now pseudos. 
llvm-svn: 127445
 2011-03-11 01:16:49 +00:00
Johnny Chen fdc94ff97e Add test cases to exercise the SBThread.GetProcess() API. We launch the process using the 
SBTarget.Launch() API, stop at a breakpoint, get the stopped thread, and verify that the
pid of the stopped thread's process is equal to the pid of the process returned by
SBTarget.Launch().

llvm-svn: 127444
 2011-03-11 01:16:03 +00:00
Jim Grosbach d025498271 Properly pseudo-ize ARM MOVCCi and MOVCCi16. 
llvm-svn: 127442
 2011-03-11 01:09:28 +00:00
Eric Christopher cf56a5034f Change the x86 32-bit scheduler to register pressure and fix up the 
corresponding testcases back to the previous versions.

Fixes some performance regressions only seen on 32-bit.

llvm-svn: 127441
 2011-03-11 01:05:58 +00:00
Evan Cheng adb9c03e41 Avoid replacing the value of a directly stored load with the stored value if the load is indexed. rdar://9117613. 
llvm-svn: 127440
 2011-03-11 00:48:56 +00:00
Johnny Chen 24e99aa833 Minor typo fix and TAB removals. 
llvm-svn: 127439
 2011-03-11 00:28:50 +00:00
Caroline Tice c288e8ca0c Add some explanatory comments. 
llvm-svn: 127438
 2011-03-11 00:21:55 +00:00
Johnny Chen 2d799cca03 Add a test case test_run_to_address() to exercise the SBThread.RunToAddress(lldb::addr_t addr) API. 
The test itself is not working yet.

llvm-svn: 127436
 2011-03-11 00:00:15 +00:00
Jim Grosbach 62a7b473af Properly pseudo-ize MOVCCr and MOVCCs. 
llvm-svn: 127434
 2011-03-10 23:56:09 +00:00
Sean Callanan b3396b226e Fixed the -r parameter to the disassemble command 
so that it actually triggers raw output.

llvm-svn: 127433
 2011-03-10 23:35:12 +00:00
Johnny Chen f93286f20c Add test cases to TestThreadAPI.py to exercise SBThread.StepOver() by stopping at a breakpoint, 
doing three step-over's, then verifying that the correct source line number is reached.

llvm-svn: 127432
 2011-03-10 22:32:47 +00:00
Caroline Tice b904ca5015 Add a test case to make sure that all the settings that currently ought to 
exist are actually there.

llvm-svn: 127431
 2011-03-10 22:29:54 +00:00
Caroline Tice 20bd37f747 The UserSettings controllers must be initialized & terminated in the 
correct order.  Previously this was tacitly implemented but not
enforced, so it was possible to accidentally do things in the wrong
order and cause problems.  This fixes that problem.

llvm-svn: 127430
 2011-03-10 22:14:10 +00:00
Chris Lattner 15bc34c7c2 don't compile modsi3 into an infinite loop, patch by Matt Johnson! 
llvm-svn: 127429
 2011-03-10 22:11:46 +00:00
Ted Kremenek 339f7c3c58 Tweak ccc-analyzer's 'Analyze' function to not mutate the original arguments list. 
llvm-svn: 127428
 2011-03-10 21:10:08 +00:00
Dan Gohman affbc66f60 RecursivelyDeleteTriviallyDeadInstructions only needs a 
Value, not an Instruction, so casting is not necessary. Also,
it's theoretically possible that the Value is not an
Instruction, since WeakVH follows RAUWs.

llvm-svn: 127427
 2011-03-10 20:57:44 +00:00
Rafael Espindola cbe6a1ae86 Don't compute the file size if we don't need to. 
llvm-svn: 127426
 2011-03-10 20:54:07 +00:00
Ted Kremenek 4c0826c236 Profiling showed that 'CheckImplicitConversions' was very slow because of the call to getSpellingLoc(). On 'aes.c' 
in the LLVM test suite, this function was consuming 7.4% of -fsyntax-only time.  This change fixes this issue
by delaying the check that the warning would be issued within a system macro by as long as possible.  The
main negative of this change is now the logic for this check is done in multiple places in this function instead
of just in one place up front.

llvm-svn: 127425
 2011-03-10 20:03:42 +00:00
Dan Gohman 154ed49784 Fix reassociate to postpone certain instruction deletions until 
after it has finished all of its reassociations, because its
habit of unlinking operands and holding them in a datastructure
while working means that it's not easy to determine when an
instruction is really dead until after all its regular work is
done. rdar://9096268.

llvm-svn: 127424
 2011-03-10 19:51:54 +00:00
Jim Grosbach e5ccac85d3 DMB can just be a pat referencing MCR. 
llvm-svn: 127423
 2011-03-10 19:27:17 +00:00
Jim Grosbach b75c0db9d2 Reorganize a bit. No functional change, just moving patterns up. 
llvm-svn: 127422
 2011-03-10 19:21:08 +00:00
Johnny Chen d9f2c08a0a Test cleanup. Check for the full caller symbol of malloc -- b(int). 
llvm-svn: 127421
 2011-03-10 19:18:04 +00:00
Jim Grosbach e175682781 Pseudo-instructions are codegenonly by definition. 
llvm-svn: 127420
 2011-03-10 19:06:39 +00:00
Jim Grosbach a186cadcaa Memory barrier instructions don't need special handling in tblgen anymore. 
llvm-svn: 127419
 2011-03-10 19:05:48 +00:00
Benjamin Kramer b49b964b98 InstCombine: Turn umul_with_overflow into mul nuw if we can prove that it cannot overflow. 
This happens a lot in clang-compiled C++ code because it adds overflow checks to operator new[]:
  unsigned *foo(unsigned n) { return new unsigned[n]; }
We can optimize away the overflow check on 64 bit targets because (uint64_t)n*4 cannot overflow.

llvm-svn: 127418
 2011-03-10 18:40:14 +00:00
Rafael Espindola 258a605fce Add r127409 back now that the windows file was updated. 
llvm-svn: 127417
 2011-03-10 18:33:29 +00:00
Rafael Espindola 510b00c67c Try to fix the windows build. 
llvm-svn: 127416
 2011-03-10 18:30:48 +00:00
Jakob Stoklund Olesen e413d9d341 Revert r127409 which broke all the Windows bots. 
llvm-svn: 127413
 2011-03-10 18:01:43 +00:00
Howard Hinnant 8f934e42d8 http://llvm.org/bugs/show_bug.cgi?id=9444 
llvm-svn: 127412
 2011-03-10 17:27:57 +00:00
Howard Hinnant 8cad46266c I have to revert this recent fix to tuple conversions until clang implements cwg 1170. Without this fix pair and tuple don't convert properly. With it, associative containers get access errors when they shouldn't. cwg 1170 fixes the latter. 
llvm-svn: 127411
 2011-03-10 17:27:30 +00:00
Justin Holewinski 72ff7e4fa9 PTX: Add preliminary support for floating-point divide and multiply-and-add 
llvm-svn: 127410
 2011-03-10 16:57:18 +00:00
Rafael Espindola ea5a137e55 Add support for MemoryBuffers that are not null terminated and add 
support for creating buffers that cover only a part of a file.

llvm-svn: 127409
 2011-03-10 16:10:30 +00:00
NAKAMURA Takumi dd63436808 lib/CodeGen/CGCall.cpp: Don't invoke multiple Builder.CreateBitCast() on Builder.CreateMemCpy. Or we would see sideeffect incompatibility among gcc and clang. 
llvm-svn: 127405
 2011-03-10 14:02:21 +00:00
Abramo Bagnara 0adf29a5bd Avoid do drop outer template parameter lists on the floor. 
llvm-svn: 127404
 2011-03-10 13:28:31 +00:00
Abramo Bagnara 19fd03e277 Fixed class type generation for MemberPointerType. 
llvm-svn: 127401
 2011-03-10 10:18:27 +00:00
Chris Lattner 0d364306be rip out llvm 2.8 release notes to make room for llvm 2.9 notes. 
llvm-svn: 127399
 2011-03-10 07:43:44 +00:00
Cameron Zwarich 7930407339 Add an option to disable critical edge splitting in PHIElimination. 
llvm-svn: 127398
 2011-03-10 05:59:17 +00:00