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Author SHA1 Message Date
Jim Grosbach
0115c6f75b Thumb assembly parsing and encoding for ADR. 
llvm-svn: 137864
 2011-08-17 20:37:40 +00:00
Bill Wendling
3566980062 Revert r137655. There is some question about whether the 'landingpad' 
instruction should be marked as potentially reading and/or writing memory.

llvm-svn: 137863
 2011-08-17 20:36:44 +00:00
Jim Grosbach
20329b9f8e Add a couple of FIXMEs. 
llvm-svn: 137861
 2011-08-17 20:35:57 +00:00
Jim Grosbach
11b5cccb63 80 columns. 
llvm-svn: 137857
 2011-08-17 19:55:51 +00:00
Jim Grosbach
dab6d5ba20 Tidy up. 
llvm-svn: 137856
 2011-08-17 19:53:53 +00:00
Bill Wendling
74c9f876d9 Modify for the new EH scheme. 
Things are much saner now. We no longer need to modify the laning pads, because
of the invariants we impose upon them. The only thing DwarfEHPrepare needs to do
is convert the 'resume' instruction into a call to '_Unwind_Resume'.

llvm-svn: 137855
 2011-08-17 19:48:49 +00:00
Bill Wendling
466ed8d316 Remove unneeded sentence. 
llvm-svn: 137854
 2011-08-17 19:33:27 +00:00
Eli Friedman
6da9a85aaa Revert r137781; I agree with Duncan's comment that the situation in question is clearly impossible given the current structure of the code. 
llvm-svn: 137853
 2011-08-17 19:31:49 +00:00
Akira Hatanaka
6eb513003d Add support for half-word unaligned loads and stores. 
llvm-svn: 137848
 2011-08-17 18:49:18 +00:00
Devang Patel
d9104c08d8 Fix test case. 
llvm-svn: 137847
 2011-08-17 18:48:28 +00:00
Devang Patel
7163bf87f3 Remove superficial test. 
llvm-svn: 137846
 2011-08-17 18:39:13 +00:00
Devang Patel
9dc352faf3 Robustify test. 
llvm-svn: 137845
 2011-08-17 18:38:44 +00:00
Jordy Rose
fd8dfd013b Static fields require an out-of-line definition. Fix DynamicLibrary for real. 
llvm-svn: 137844
 2011-08-17 18:38:42 +00:00
Jordy Rose
8f407b9649 ...and make sure DynamicLibrary builds by removing "const" from the Invalid placeholder. 
llvm-svn: 137843
 2011-08-17 18:28:14 +00:00
Jordy Rose
06883230c0 Don't use NULL to represent an invalid library; Cygwin uses this for RTLD_DEFAULT. Caught by Takumi. 
llvm-svn: 137841
 2011-08-17 18:23:17 +00:00
Owen Anderson
4c26beae4c Start building a Thumb1 decoding test file based on the Thumb1 parsing/encoding test file. 
llvm-svn: 137840
 2011-08-17 18:21:36 +00:00
Owen Anderson
cae3d3381c Be more careful in the Thumb decoder hooks to avoid walking off the end of the OpInfo array. 
llvm-svn: 137838
 2011-08-17 18:14:48 +00:00
Eli Friedman
e1655eebc3 Silly mistake from r137777; restore significant isStructTy() checks. While here, be a bit more defensive 
with unknown instructions.

Fixes PR10687.

llvm-svn: 137836
 2011-08-17 18:10:43 +00:00
Jim Grosbach
39af673350 Thumb assembly parsing and encoding for ADC(register) instruction. 
llvm-svn: 137833
 2011-08-17 17:55:28 +00:00
Jim Grosbach
c93201cb25 Add missing '@' delimiter. 
llvm-svn: 137832
 2011-08-17 17:46:01 +00:00
Akira Hatanaka
60ccc76576 Move pattern matching for EXT and INS to post-legalization DAGCombine per Bruno's comment. 
llvm-svn: 137831
 2011-08-17 17:45:08 +00:00
Owen Anderson
3146968039 Allow the MCDisassembler to return a "soft fail" status code, indicating an instruction that is disassemblable, but invalid. Only used for ARM UNPREDICTABLE instructions at the moment. 
Patch by James Molloy.

llvm-svn: 137830
 2011-08-17 17:44:15 +00:00
Bruno Cardoso Lopes
98531dfd08 Introduce matching patterns for vbroadcast AVX instruction. The idea is to 
match splats in the form (splat (scalar_to_vector (load ...))) whenever
the load can be folded. All the logic and instruction emission is
working but because of PR8156, there are no ways to match loads, cause
they can never be folded for splats. Thus, the tests are XFAILed, but
I've tested and exercised all the logic using a relaxed version for
checking the foldable loads, as if the bug was already fixed. This
should work out of the box once PR8156 gets fixed since MayFoldLoad will
work as expected.

llvm-svn: 137810
 2011-08-17 02:29:19 +00:00
Bruno Cardoso Lopes
0a3b3123fd Update test to not use the scalar type to splat from a load 
llvm-svn: 137809
 2011-08-17 02:29:15 +00:00
Bruno Cardoso Lopes
e3bab71a4b Update comments about vector splat handling in x86 
llvm-svn: 137808
 2011-08-17 02:29:13 +00:00
Bruno Cardoso Lopes
4ff4ed28af Now that we have a canonical way to handle 256-bit splats: 
vinsertf128 $1 + vpermilps $0, remove the old code that used to first
do the splat in a 128-bit vector and then insert it into a larger one.
This is better because the handling code gets simpler and also makes a
better room for the upcoming vbroadcast!

llvm-svn: 137807
 2011-08-17 02:29:10 +00:00
Bruno Cardoso Lopes
e6f1f6158f Update uwtable vim color! 
llvm-svn: 137806
 2011-08-17 02:29:07 +00:00
Akira Hatanaka
0179c7fa68 Add support for ext and ins. 
llvm-svn: 137804
 2011-08-17 02:05:42 +00:00
NAKAMURA Takumi
2a11307687 CMake: [MSVC] Suppress C4551 'function call missing argument list'. 
(void)static_func; it is used as idiom in llvm source tree to suppress "Unused static function" warnings.

llvm-svn: 137800
 2011-08-17 01:28:30 +00:00
Jordy Rose
5bad954019 Unbork Windows build. Thanks, Francois. 
llvm-svn: 137798
 2011-08-17 00:59:50 +00:00
Jordy Rose
c689530acc Use DynamicLibrary instances as a way to get symbols from a specific library. Preparation for upcoming (preliminary) support for plugins for the static analyzer. 
llvm-svn: 137791
 2011-08-17 00:29:32 +00:00
Jim Grosbach
ae9f7f938f Thumb ADD(immediate) parsing support. 
llvm-svn: 137788
 2011-08-16 23:57:34 +00:00
Owen Anderson
ffb049d199 Separate out Thumb1 instructions that need an S bit operand from those that do not, for the purposes of decoding them. 
llvm-svn: 137787
 2011-08-16 23:45:44 +00:00
Eli Friedman
32bc68c480 An additional atomic test; related to r137662. 
llvm-svn: 137786
 2011-08-16 23:29:17 +00:00
Eli Friedman
fc821baad4 Extend the undef ^ undef idiom once more. No testcase: I can't figure out how to actually trigger the codepath in question at the moment, but it might get exposed in the future. 
llvm-svn: 137781
 2011-08-16 22:38:34 +00:00
Jim Grosbach
7a5c6948ca Thumb parsing diagnostics for low-reg requirements on ADD and MOV. 
llvm-svn: 137779
 2011-08-16 22:20:01 +00:00
Devang Patel
630d8ce36b Until now all debug info MDNodes referred to a root MDNode, a compile unit. This simplified handling of these needs in dwarf writer. However, one side effect of this is that during link time optimization all these MDNodes are _not_ uniqued. In other words there will be N number of MDNodes describing "int", "char" and all other types, which would suddenly grow when each object file starts using libraries like STL. 
MDNodes graph structure such that compiler unit keeps track of important MDNodes and update dwarf writer to process mdnodes top-down instead of bottom up.

llvm-svn: 137778
 2011-08-16 22:09:43 +00:00
Eli Friedman
b4733f623f A bunch of misc fixes to SCCPSolver::ResolvedUndefsIn, including a fix to stop 
making random bad assumptions about instructions which are not explicitly listed.  

Includes fix for rdar://9956541, a version of "undef ^ undef should return
0 because it's easier than arguing with users".

llvm-svn: 137777
 2011-08-16 22:06:31 +00:00
Eric Christopher
16a70911af Remove tests that have been obsoleted or migrated to clang/optimizer tests. 
llvm-svn: 137775
 2011-08-16 21:46:25 +00:00
Jim Grosbach
af9f949620 Add missing exit for 'case'. 
llvm-svn: 137774
 2011-08-16 21:42:31 +00:00
Jim Grosbach
850f937ecc Thumb assembly parsing and encoding for ADD(register) instruction. 
llvm-svn: 137759
 2011-08-16 21:34:08 +00:00
Bill Wendling
3e01808007 The resume instruction may throw. Return 'true' in this case. 
llvm-svn: 137757
 2011-08-16 21:15:50 +00:00
Jim Grosbach
3a2466aee5 Move some logic into a helper function and expand the commentary. 
llvm-svn: 137756
 2011-08-16 21:12:37 +00:00
Eli Friedman
e0095e4339 Minor bug in SCCP found by inspection. (I don't think it's possible to hit this with a normal pass pipeline, but fixing for completeness.) 
llvm-svn: 137755
 2011-08-16 21:12:35 +00:00
Jim Grosbach
192f298228 Add testcase for r137746. 
llvm-svn: 137754
 2011-08-16 21:11:21 +00:00
Devang Patel
c6fd34458c Increment debug info version to accommodate upcoming change in debug info node structure. 
llvm-svn: 137751
 2011-08-16 21:00:05 +00:00
Jim Grosbach
06f3a3b427 Tidy up formatting. 
llvm-svn: 137747
 2011-08-16 20:55:41 +00:00
Jim Grosbach
8d67a0e07c ARM thumb assembly parsing for arithmetic flag setting instructions. 
Thumb one requires that many arithmetic instruction forms have an 'S'
suffix. For Thumb2, the whether the suffix is required or precluded depends
on whether the instruction is in an IT block. Use target parser predicates
to check for these sorts of context-sensitive constraints.

llvm-svn: 137746
 2011-08-16 20:45:50 +00:00
Bill Wendling
3d7b8eaa78 Use the getFirstInsertionPt() method instead of getFirstNonPHI + an 'isa<>' 
check for a LandingPadInst.

llvm-svn: 137745
 2011-08-16 20:45:24 +00:00
Bill Wendling
4ad70bfedd Add getFirstInsertionPt() method. 
getFirstInsertionPt() returns an iterator to the first insertion point in a
basic block. This is after all PHIs and any other instruction which is required
to be at the top of the basic block (like LandingPadInst).

llvm-svn: 137744
 2011-08-16 20:42:52 +00:00