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Author SHA1 Message Date
Bill Wendling
0906a7c46c Don't optimize the landing pad exit block. 
One way to exit the loop is through an unwind edge. However, that may involve
splitting the critical edge of the landing pad, which is non-trivial. Prevent
the transformation from rewriting the landing pad exit loop block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137871 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 21:20:43 +00:00
Bill Wendling
490606e613 Assert that we aren't trying to split the critical edge of a landing pad. Doing 
so requires more care than this generic algorithm should handle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137866 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 21:04:05 +00:00
Jim Grosbach
ef3bf64bf8 Fix predicate for imm1_32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137865 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 21:01:11 +00:00
Jim Grosbach
5a1cd045cd Thumb assembly parsing and encoding for ADR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137864 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 20:37:40 +00:00
Bill Wendling
c9b2a987a2 Revert r137655. There is some question about whether the 'landingpad' 
instruction should be marked as potentially reading and/or writing memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137863 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 20:36:44 +00:00
Jim Grosbach
53727fc659 Add a couple of FIXMEs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137861 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 20:35:57 +00:00
Jim Grosbach
4372ca6fe4 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137857 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 19:55:51 +00:00
Jim Grosbach
8884148b8e Tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137856 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 19:53:53 +00:00
Bill Wendling
35adbb3e48 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'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137855 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 19:48:49 +00:00
Bill Wendling
c1dbf0cdb4 Remove unneeded sentence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137854 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 19:33:27 +00:00
Eli Friedman
f23d4adbfa Revert r137781; I agree with Duncan's comment that the situation in question is clearly impossible given the current structure of the code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137853 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 19:31:49 +00:00
Akira Hatanaka
511961a44c Add support for half-word unaligned loads and stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137848 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 18:49:18 +00:00
Devang Patel
cbfadfc4b3 Fix test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137847 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 18:48:28 +00:00
Devang Patel
4be7fb0742 Remove superficial test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137846 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 18:39:13 +00:00
Devang Patel
0cd513269f Robustify test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137845 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 18:38:44 +00:00
Jordy Rose
008a5f515a Static fields require an out-of-line definition. Fix DynamicLibrary for real. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137844 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 18:38:42 +00:00
Jordy Rose
c68c8623d0 ...and make sure DynamicLibrary builds by removing "const" from the Invalid placeholder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137843 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 18:28:14 +00:00
Jordy Rose
77b6f2fd22 Don't use NULL to represent an invalid library; Cygwin uses this for RTLD_DEFAULT. Caught by Takumi. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137841 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 18:23:17 +00:00
Owen Anderson
4c81cf5dfc Start building a Thumb1 decoding test file based on the Thumb1 parsing/encoding test file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137840 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 18:21:36 +00:00
Owen Anderson
0aa38ab1fb Be more careful in the Thumb decoder hooks to avoid walking off the end of the OpInfo array. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137838 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 18:14:48 +00:00
Eli Friedman
447f95202a Silly mistake from r137777; restore significant isStructTy() checks. While here, be a bit more defensive 
with unknown instructions.

Fixes PR10687.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137836 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 18:10:43 +00:00
Jim Grosbach
358499ea3b Thumb assembly parsing and encoding for ADC(register) instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137833 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 17:55:28 +00:00
Jim Grosbach
b1ee18ee69 Add missing '@' delimiter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137832 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 17:46:01 +00:00
Akira Hatanaka
77b85b6474 Move pattern matching for EXT and INS to post-legalization DAGCombine per Bruno's comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137831 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 17:45:08 +00:00
Owen Anderson
83e3f67fb6 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137830 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 17:44:15 +00:00
Bruno Cardoso Lopes
0e6d230abd 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137810 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 02:29:19 +00:00
Bruno Cardoso Lopes
666f500592 Update test to not use the scalar type to splat from a load 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137809 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 02:29:15 +00:00
Bruno Cardoso Lopes
8a5b262e80 Update comments about vector splat handling in x86 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137808 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 02:29:13 +00:00
Bruno Cardoso Lopes
fc0a702128 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!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137807 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 02:29:10 +00:00
Bruno Cardoso Lopes
23e9ef994e Update uwtable vim color! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137806 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 02:29:07 +00:00
Akira Hatanaka
bb15e117d3 Add support for ext and ins. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137804 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 02:05:42 +00:00
NAKAMURA Takumi
a69179d768 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137800 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 01:28:30 +00:00
Jordy Rose
f0813ceeaf Unbork Windows build. Thanks, Francois. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137798 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 00:59:50 +00:00
Jordy Rose
0bce85fbfa Use DynamicLibrary instances as a way to get symbols from a specific library. Preparation for upcoming (preliminary) support for plugins for the static analyzer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137791 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 00:29:32 +00:00
Jim Grosbach
89e2aa6afd Thumb ADD(immediate) parsing support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137788 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 23:57:34 +00:00
Owen Anderson
16280308ac Separate out Thumb1 instructions that need an S bit operand from those that do not, for the purposes of decoding them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137787 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 23:45:44 +00:00
Eli Friedman
bfd5040ddc An additional atomic test; related to r137662. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137786 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 23:29:17 +00:00
Eli Friedman
207634263c 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137781 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 22:38:34 +00:00
Jim Grosbach
194bd89829 Thumb parsing diagnostics for low-reg requirements on ADD and MOV. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137779 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 22:20:01 +00:00
Devang Patel
94c7ddb6f5 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137778 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 22:09:43 +00:00
Eli Friedman
054ddf799b 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".



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137777 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 22:06:31 +00:00
Eric Christopher
f213ad1a55 Remove tests that have been obsoleted or migrated to clang/optimizer tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137775 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 21:46:25 +00:00
Jim Grosbach
00c9a51888 Add missing exit for 'case'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137774 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 21:42:31 +00:00
Jim Grosbach
3912b73c74 Thumb assembly parsing and encoding for ADD(register) instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137759 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 21:34:08 +00:00
Bill Wendling
55fdb4eec0 The resume instruction may throw. Return 'true' in this case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137757 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 21:15:50 +00:00
Jim Grosbach
d54b4e612a Move some logic into a helper function and expand the commentary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137756 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 21:12:37 +00:00
Eli Friedman
1fc291f0d3 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.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137755 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 21:12:35 +00:00
Jim Grosbach
c2408d3ce5 Add testcase for r137746. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137754 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 21:11:21 +00:00
Devang Patel
d6a49773ff Increment debug info version to accommodate upcoming change in debug info node structure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137751 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 21:00:05 +00:00
Jim Grosbach
be2ac8ca7b Tidy up formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137747 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 20:55:41 +00:00