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39595 Commits

Author SHA1 Message Date
Kevin Enderby
aaad4f57f0 Added the darwin .secure_log_unique and .secure_log_reset directives. 
llvm-svn: 107077
 2010-06-28 21:45:58 +00:00
Dan Gohman
50fffcaea3 Constant fold x == undef to undef. 
llvm-svn: 107074
 2010-06-28 21:30:07 +00:00
Jim Grosbach
8441e67098 tidy up style. no functional change. 
llvm-svn: 107073
 2010-06-28 21:29:17 +00:00
Dan Gohman
bd121d9b9f Fix Value::stripPointerCasts and BasicAA to avoid trouble on 
code in unreachable blocks, which have have use-def cycles.
This fixes PR7514.

llvm-svn: 107071
 2010-06-28 21:16:52 +00:00
Bob Wilson
378395412f Refactor encoding function for NEON 1-register with modified immediate format. 
llvm-svn: 107070
 2010-06-28 21:16:30 +00:00
Bob Wilson
6385cb2386 Support Thumb mode encoding of NEON instructions. 
llvm-svn: 107068
 2010-06-28 21:12:19 +00:00
Bill Wendling
4fe5512827 Reduce indentation via early exit. NFC. 
llvm-svn: 107067
 2010-06-28 21:08:32 +00:00
Devang Patel
229053c609 Include inlined function in list of processed subprograms. 
llvm-svn: 107065
 2010-06-28 20:53:04 +00:00
Jim Grosbach
784bc38fd0 new, no longer brain-dead, r106907 
llvm-svn: 107060
 2010-06-28 20:26:00 +00:00
Jakob Stoklund Olesen
61e6433440 After physreg coalescing, physical registers might not have live ranges where 
you would expect.

Don't assert on that case, just give up.

This fixes PR7513.

llvm-svn: 107046
 2010-06-28 19:39:57 +00:00
Jakob Stoklund Olesen
2ec7bf335a Add more special treatment for inline asm in RegAllocFast. 
When an instruction has tied operands and physreg defines, we must take extra
care that the tied operands conflict with neither physreg defs nor uses.

The special treatment is given to inline asm and instructions with tied operands
/ early clobbers and physreg defines.

This fixes PR7509.

llvm-svn: 107043
 2010-06-28 18:34:34 +00:00
Eric Christopher
40f544b62c Fix thinko. 
llvm-svn: 107042
 2010-06-28 18:33:48 +00:00
Eric Christopher
bb7e1bfb0c Pull in the libCrashReporterClient.a information with a warning comment. 
Remove library check and regenerate configure.

llvm-svn: 107028
 2010-06-28 18:25:51 +00:00
Devang Patel
dffbf36af7 Preserve deleted function's local variables' debug info. 
Radar 8122864.

llvm-svn: 107027
 2010-06-28 18:25:03 +00:00
Gabor Greif
cc251773b5 use ArgOperand API 
llvm-svn: 107017
 2010-06-28 16:50:57 +00:00
Gabor Greif
a96e0eb251 use ArgOperand API 
llvm-svn: 107016
 2010-06-28 16:45:00 +00:00
Gabor Greif
6bf330181d employ CallInst::ArgOffset (for now) 
llvm-svn: 107015
 2010-06-28 16:43:57 +00:00
Gabor Greif
7a30acd911 simplify: we have solid argument iterator range 
llvm-svn: 107014
 2010-06-28 16:40:52 +00:00
Dan Gohman
d454f5c234 Generalize AAEval so that it can be used both per-function and 
interprocedurally. Note that as of this writing, existing alias
analysis passes are not prepared to be used interprocedurally.

llvm-svn: 107013
 2010-06-28 16:01:37 +00:00
Daniel Dunbar
e19a293ef9 Revert r106907, "make sure to handle dbg_value instructions in the middle of the 
block, not...", it caused a bunch of nightly test regressions.

llvm-svn: 107009
 2010-06-28 15:47:17 +00:00
Gabor Greif
2d08791c84 use setArgOperand 
llvm-svn: 107004
 2010-06-28 12:31:35 +00:00
Gabor Greif
98947dcd6d use CallInst::ArgOffset 
llvm-svn: 107003
 2010-06-28 12:30:07 +00:00
Gabor Greif
1c2bae559b use ArgOperand API and CallInst::ArgOffset 
llvm-svn: 107002
 2010-06-28 12:29:20 +00:00
Gabor Greif
e57b886f3d use cached value 
llvm-svn: 107000
 2010-06-28 11:20:42 +00:00
Devang Patel
1929457a0f Remove dead code. 
llvm-svn: 106990
 2010-06-28 05:59:13 +00:00
Devang Patel
fdca552823 Use named MDNode, llvm.dbg.sp, to collect subprogram info. This will be used to emit local variable's debug info of deleted functions. 
llvm-svn: 106989
 2010-06-28 05:53:08 +00:00
Jim Grosbach
a0473aa51c minor housekeeping cleanup: 80-column, trailing whitespace, spelling, etc.. No functional change. 
llvm-svn: 106988
 2010-06-28 04:27:01 +00:00
Devang Patel
858a0f3664 Do not forget last element, function, while creating Subprogram definition MDNode from subprogram declare MDNode. 
llvm-svn: 106985
 2010-06-27 21:04:31 +00:00
Chris Lattner
d3a1ef7fea minor cleanup to SROA: when lowering type unsafe accesses to 
large integers, the first inserted value would always create
an 'or X, 0'.  Even though this is trivially zapped by
instcombine, don't bother creating this pointless instruction.

llvm-svn: 106979
 2010-06-27 07:58:26 +00:00
Rafael Espindola
317a02739d When splitting a VAARG, remember its alignment. 
This produces terrible but correct code.

llvm-svn: 106952
 2010-06-26 18:22:20 +00:00
Bob Wilson
8b0bd7a53c Revert my if-conversion cleanup since it caused a bunch of nightly test 
regressions.

--- Reverse-merging r106939 into '.':
U    test/CodeGen/Thumb2/thumb2-ifcvt3.ll
U    lib/CodeGen/IfConversion.cpp

llvm-svn: 106951
 2010-06-26 17:47:06 +00:00
Duncan Sands
68f39e00a4 Fix PR7328: when turning a tail recursion into a loop, need to preserve 
the returned value after the tail call if it differs from other return
values.  The optimal thing to do would be to introduce a phi node for
the return value, but for the moment just fix the miscompile.

llvm-svn: 106947
 2010-06-26 12:53:31 +00:00
Gabor Greif
8868af8702 use ArgOperand API 
llvm-svn: 106946
 2010-06-26 12:17:21 +00:00
Gabor Greif
1625cb2320 use ArgOperand API 
llvm-svn: 106945
 2010-06-26 12:09:10 +00:00
Gabor Greif
14814144af use ArgOperand API 
llvm-svn: 106944
 2010-06-26 11:51:52 +00:00
Benjamin Kramer
b624350656 VNInfos don't need to be destructed anymore. 
llvm-svn: 106943
 2010-06-26 11:30:59 +00:00
Gabor Greif
1c6086e30d resort to ArgOperand API 
llvm-svn: 106942
 2010-06-26 09:35:09 +00:00
Eli Friedman
893ce468be Followup to r106770: actually generate SXTB and SXTH for sign-extensions. 
llvm-svn: 106940
 2010-06-26 04:36:50 +00:00
Bob Wilson
6ee6192312 Clean up some problems with extra CFG edges being introduced during 
if-conversion.  The RemoveExtraEdges function doesn't work for blocks that
end with unanalyzable branches, so in those cases, the "extra" edges must
be explicitly removed.  The CopyAndPredicateBlock and MergeBlocks methods
can also avoid copying successor edges due to branches that have already
been removed.  The latter case is especially helpful when MergeBlocks is
called for handling "diamond" if-conversions, where otherwise you can end
up with some weird intermediate states in the CFG.  Unfortunately I've
been unable to find cases where this cleanup actually makes a significant
difference in the code.  There is one test where we manage to remove an
empty block at the end of a function.  Radar 6911268.

llvm-svn: 106939
 2010-06-26 04:27:33 +00:00
Bob Wilson
aff7e7c1cc Add support for encoding NEON VMOV (from scalar to core register) instructions. 
llvm-svn: 106938
 2010-06-26 04:07:15 +00:00
Evan Cheng
f222c09b61 It's now possible to run code placement pass for ARM. 
llvm-svn: 106935
 2010-06-26 01:52:05 +00:00
Jakob Stoklund Olesen
6dee31aa07 When creating X86 MUL8 and DIV8 instructions, make sure we don't produce 
CopyFromReg nodes for aliasing registers (AX and AL). This confuses the fast
register allocator.

Instead of CopyFromReg(AL), use ExtractSubReg(CopyFromReg(AX), sub_8bit).

This fixes PR7312.

llvm-svn: 106934
 2010-06-26 00:39:23 +00:00
Bob Wilson
a3b10d15f2 Renumber NEON instruction formats to be consecutive. 
llvm-svn: 106927
 2010-06-26 00:05:09 +00:00
Bob Wilson
b8eaf1ed72 Rename ARM instruction formats NEONGetLnFrm, NEONSetLnFrm and NEONDupFrm to 
"N..." instead of "NEON..." for consistency with the other NEON format names.

llvm-svn: 106921
 2010-06-25 23:56:05 +00:00
Bruno Cardoso Lopes
277fcdf1c1 Add AVX convert CVTSS2SI{rr,rm} and CVTDQ2PS{rr,rm} instructions 
llvm-svn: 106917
 2010-06-25 23:47:23 +00:00
Bob Wilson
3ace799cfe Remove unused NEONFrm and ThumbMiscFrm ARM instruction formats. 
Renumber MiscFrm to 25.

llvm-svn: 106916
 2010-06-25 23:45:37 +00:00
Bruno Cardoso Lopes
45109dd6c1 Reapply r106896: 
Add several AVX MOV flavors
Support VEX encoding for MRMDestReg

llvm-svn: 106912
 2010-06-25 23:33:42 +00:00
Daniel Dunbar
c0c37cea64 Thumb2ITBlockPass: Fix a possible dereference of an invalid iterator. This was 
introduced in r106343, but only showed up recently (with a particular compiler &
linker combination) because of the particular check, and because we have no
builtin checking for dereferencing the end of an array, which is truly
unfortunate.

llvm-svn: 106908
 2010-06-25 23:14:54 +00:00
Jim Grosbach
ec907d9f90 make sure to handle dbg_value instructions in the middle of the block, not 
just at the head, when doing diamond if-conversion. rdar://7797940

llvm-svn: 106907
 2010-06-25 23:05:46 +00:00
Bruno Cardoso Lopes
cc4c01f859 revert this now, it's using avx instead of sse :) 
llvm-svn: 106906
 2010-06-25 23:04:29 +00:00