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81821 Commits

Author SHA1 Message Date
Alexis Hunt 079a6f7fe5 Updated comment to reflect changes made in the most recent draft. 
llvm-svn: 100707
 2010-04-07 22:57:35 +00:00
Chris Lattner 5109d3e55d add newlines at end of files. 
llvm-svn: 100706
 2010-04-07 22:54:55 +00:00
Chris Lattner 3ae2dd2ba5 add newlines at the end of files. 
llvm-svn: 100705
 2010-04-07 22:53:17 +00:00
Alexis Hunt a0c80c55c3 Fixed 80-cols violation 
llvm-svn: 100704
 2010-04-07 22:52:07 +00:00
Chris Lattner cc7bb24fe2 remove some unneeded errorhandling stuff. 
llvm-svn: 100703
 2010-04-07 22:44:07 +00:00
Chris Lattner b6166b372e minor tidying up 
llvm-svn: 100702
 2010-04-07 22:41:29 +00:00
Chris Lattner b50e795369 tidy up 
llvm-svn: 100700
 2010-04-07 22:29:10 +00:00
Dan Gohman d006ab90dd Generalize IVUsers to track arbitrary expressions rather than expressions 
explicitly split into stride-and-offset pairs. Also, add the
ability to track multiple post-increment loops on the same expression.

This refines the concept of "normalizing" SCEV expressions used for
to post-increment uses, and introduces a dedicated utility routine for
normalizing and denormalizing expressions.

This fixes the expansion of expressions which are post-increment users
of more than one loop at a time. More broadly, this takes LSR another
step closer to being able to reason about more than one loop at a time.

llvm-svn: 100699
 2010-04-07 22:27:08 +00:00
Johnny Chen 85ce9f4f30 Missed this one line for the previous checkin to fix build warnings. 
llvm-svn: 100697
 2010-04-07 22:21:03 +00:00
Johnny Chen 8b04b550df Fixed warnings pointed out by clang. 
llvm-svn: 100696
 2010-04-07 22:03:27 +00:00
Johnny Chen 80f8c3d533 Fixed warnings pointed out by clang. 
Next to work on is ARMDisassemblerCore.cpp.

llvm-svn: 100695
 2010-04-07 21:52:48 +00:00
Sean Callanan 1efe661b46 Fixed a bug where the disassembler would allow an immediate 
argument that had to be between 0 and 7 to have any value,
firing an assert later in the AsmPrinter.  Now, the
disassembler rejects instructions with out-of-range values
for that immediate.

llvm-svn: 100694
 2010-04-07 21:42:19 +00:00
Johnny Chen 3f253e2cb1 Fixed 3 warnings pointed out by clang. 
llvm-svn: 100693
 2010-04-07 21:23:48 +00:00
Benjamin Kramer f812ff6f2e unXFAIL, arm disassembler was reenabled. 
llvm-svn: 100692
 2010-04-07 21:19:41 +00:00
Eric Christopher 978d33a937 Fix typo and correct comment somewhat. 
llvm-svn: 100691
 2010-04-07 20:58:16 +00:00
Johnny Chen 4e2f8722c4 Re-enable ARM/Thumb disassembler and add a workaround for a memcpy() call in 
ARMDecoderEmitter.cpp, with FIXME comment.

llvm-svn: 100690
 2010-04-07 20:53:12 +00:00
Chris Lattner b35583df52 add a new driver-level -ferror-limit=412 option, which causes clang to stop 
emitting diagnostics after it has produced that many errors.  Give this a
default value of 20 which produces plenty of errors for people to fix before
recompiling but not so many that their entire console scrolls away when the
compiler gets confused.  The experience looks like this:

$ clang foo.c
<tons of crap>
foo.c:102:3: error: unknown type name 'somethingbad'
  somethingbad x;
  ^
fatal error: too many errors emitted, stopping now
36 warnings and 20 errors generated.

llvm-svn: 100689
 2010-04-07 20:49:23 +00:00
Dale Johannesen f118f9788b Split big test into multiple directories to cater to 
those who don't build all targets.

llvm-svn: 100688
 2010-04-07 20:43:35 +00:00
Chris Lattner dec49e77e5 add clang -cc1 level support for "-ferror-limit 42" 
llvm-svn: 100687
 2010-04-07 20:37:06 +00:00
Douglas Gregor fd27fed584 Return early from Sema::MarkDeclarationReferenced when we know there 
isn't any extra work to perform. Also, don't check for unused
parameters when the warnings will be suppressed anyway. Improves
performance of -fsyntax-only on 403.gcc's combine.c by ~2.5%. 
<rdar://problem/7836787>

llvm-svn: 100686
 2010-04-07 20:29:57 +00:00
Sean Callanan 643a55708f Added an AsmLexer for the ARM target, which uses 
a simple mapping of register names to IDs to
identify register tokens.

llvm-svn: 100685
 2010-04-07 20:29:34 +00:00
Chris Lattner 75a0393eb5 add capabilities to stop emitting errors after some limit. 
Right now the limit is 0 (aka disabled)

llvm-svn: 100684
 2010-04-07 20:21:58 +00:00
Dale Johannesen 27c786bcf9 Test that DEBUG_VALUE comments come out on a variety of targets. 
llvm-svn: 100682
 2010-04-07 20:01:24 +00:00
Dale Johannesen 60b289709e Educate GetInstrSizeInBytes implementations that 
DBG_VALUE does not generate code.

llvm-svn: 100681
 2010-04-07 19:51:44 +00:00
Gabor Greif 08d85da6cc fix 80-col violations 
llvm-svn: 100677
 2010-04-07 18:59:26 +00:00
Ted Kremenek 43a9c9626f Don't emit an 'unused expression' warning for '||' and '&&' expressions that contain assignments 
or similar side-effects.

llvm-svn: 100676
 2010-04-07 18:49:21 +00:00
Chris Lattner 198cb4df6e Instead of counting totally diagnostics, split the count into a count 
of errors and warnings.  This allows us to emit something like this:

2 warnings and 1 error generated.

instead of:

3 diagnostics generated.

This also stops counting 'notes' because they are just follow-on information
about the previous diag, not a diagnostic in themselves.

llvm-svn: 100675
 2010-04-07 18:47:42 +00:00
Chris Lattner a503f7c9d2 convert to -verify mode. 
llvm-svn: 100674
 2010-04-07 18:43:41 +00:00
Anton Korobeynikov 6e01726eae Remove late ARM codegen optimization pass committed by accident. 
It is not ready for public yet.

llvm-svn: 100673
 2010-04-07 18:23:27 +00:00
Anton Korobeynikov 090323aee5 Split A8/A9 itins - they already were too big. 
llvm-svn: 100672
 2010-04-07 18:22:11 +00:00
Anton Korobeynikov 32457d6c5e Add some crude itin approximation for VFP load / stores on A9 
llvm-svn: 100671
 2010-04-07 18:22:03 +00:00
Anton Korobeynikov d351104f19 Add some crude approximation for neon load/store instructions 
llvm-svn: 100670
 2010-04-07 18:21:58 +00:00
Anton Korobeynikov 4acfad7c1b Add some A8-based approximation for instructions with unknown cycle times 
llvm-svn: 100669
 2010-04-07 18:21:52 +00:00
Anton Korobeynikov 4fb6a66c8f Move NEON-VFP domain fixer upper, so post-RA scheduler would benefit from it. 
llvm-svn: 100668
 2010-04-07 18:21:46 +00:00
Anton Korobeynikov 982f0ceaf8 Since tblgen bug was fixed (thanks Jakob!) we don't need InstrStage2 hack anymore. 
llvm-svn: 100667
 2010-04-07 18:21:41 +00:00
Anton Korobeynikov 4050d69dcf Fix A8 FP NEON MAC itins 
llvm-svn: 100666
 2010-04-07 18:21:33 +00:00
Anton Korobeynikov 9ff2f8f7a5 A9 NEON FP itins 
llvm-svn: 100665
 2010-04-07 18:21:27 +00:00
Anton Korobeynikov 03b317a286 Some permute goodness for A9 
llvm-svn: 100664
 2010-04-07 18:21:22 +00:00
Anton Korobeynikov 7ab31047a7 More shift itins for A9 
llvm-svn: 100663
 2010-04-07 18:21:16 +00:00
Anton Korobeynikov 4d36f8890f More fixes for itins 
llvm-svn: 100662
 2010-04-07 18:21:10 +00:00
Anton Korobeynikov ceb54d5ab0 Fix invalid itins for 32-bit varians of VMLAL and friends 
llvm-svn: 100661
 2010-04-07 18:21:04 +00:00
Anton Korobeynikov f64c7ca5c3 Add MAC stuff for A9 
llvm-svn: 100660
 2010-04-07 18:20:58 +00:00
Anton Korobeynikov 2ef0a12fa1 Fix invalid NEON MAC itins on A8 
llvm-svn: 100659
 2010-04-07 18:20:53 +00:00
Anton Korobeynikov 5e208dc21b Fix itins for VPAL 
llvm-svn: 100658
 2010-04-07 18:20:47 +00:00
Anton Korobeynikov a248becd6c Fix itins for VABA 
llvm-svn: 100657
 2010-04-07 18:20:42 +00:00
Anton Korobeynikov a3e4989ad8 Correct VMVN itinerary: operand is read in the second cycle, not in the first. 
llvm-svn: 100656
 2010-04-07 18:20:36 +00:00
Anton Korobeynikov 140a65ce0b More A9 itineraries 
llvm-svn: 100655
 2010-04-07 18:20:29 +00:00
Anton Korobeynikov 1a1af5a830 Correct itinerary class for VPADD 
llvm-svn: 100654
 2010-04-07 18:20:24 +00:00
Anton Korobeynikov 4650fd5fc6 VP{MAX, MIN} are of IIC_VSUBi4D itin class as well. 
llvm-svn: 100653
 2010-04-07 18:20:18 +00:00
Anton Korobeynikov 7d4fad5942 VHADD differs from VHSUB at least on A9 - the former reads both operands in the second cycle, while the latter reads second operand in first cycle. Introduce new itin classes to catch this behavior. Whether this is true for A8 as well is WIP. 
llvm-svn: 100652
 2010-04-07 18:20:13 +00:00