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Author SHA1 Message Date
Devang Patel
f56ea610ed Dramatically speedup codegen prepare by a) avoiding use of dominator tree and b) doing a separate pass over dbg.value instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137908 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-18 00:50:51 +00:00
Owen Anderson
3230e9537d Port new Thumb1 encoding tests over to decoding tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137902 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 23:37:33 +00:00
Jim Grosbach
2f815c0b50 Remove extraneous newline from operand print method. PR10569. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137900 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 23:23:07 +00:00
Jim Grosbach
37f88c7812 ARM assembly parsing and encoding test for BKPT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137898 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 23:11:13 +00:00
Jim Grosbach
421993f428 Clean up patterns for Thumb1 system instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137897 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 23:08:57 +00:00
Jim Grosbach
5b657de62b ARM assembly parsing and encoding test for BIC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137895 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 23:00:53 +00:00
Akira Hatanaka
667645f814 Changed definition of EXT and INS per Bruno's comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137892 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 22:59:46 +00:00
Jim Grosbach
395b453bed Thumb assembly parsing and encoding for B. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137891 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 22:57:40 +00:00
Devang Patel
f6d3a4c7c4 Do not use DebugInfoFinder. Extract debug info directly from llvm.dbg.cu named mdnode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137890 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 22:49:38 +00:00
Jim Grosbach
00f5d98205 Thumb assembly parsing and encoding for ASR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137889 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 22:49:09 +00:00
Eli Friedman
56efe24431 Atomic load/store handling for the passes using memdep (GVN, DSE, memcpyopt). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137888 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 22:22:24 +00:00
Bruno Cardoso Lopes
0dd80b0d69 Fix PR10688. Add support for spliting 256-bit vector shifts when the 
shift amount is variable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137885 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 22:12:20 +00:00
Jim Grosbach
c40578250d Tidy up. 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137881 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 21:58:18 +00:00
Bill Wendling
2ac0e6be05 Add the support in code-gen for the landingpad instruction lowering. 
The landingpad instruction is lowered into the EXCEPTIONADDR and EHSELECTION
SDNodes. The information from the landingpad instruction is harvested by the
'AddLandingPadInfo' function. The new EH uses the current EH scheme in the
back-end. This will change once we switch over to the new scheme. (Reviewed by
Jakob!)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137880 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 21:56:44 +00:00
Jim Grosbach
70939ee141 ARM clean up the imm_sr operand class representation. 
Represent the operand value as it will be encoded in the instruction. This
allows removing the specialized encoder and decoder methods entirely. Add
an assembler match class while we're at it to lay groundwork for parsing the
thumb shift instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137879 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 21:51:27 +00:00
Bill Wendling
795cf5efba Disable PRE for landing pads. 
PRE needs the landing pads to have their critical edges split. Doing this for a
landing pad is non-trivial. Abandon the attempt to perform PRE when we come
across a landing pad. (Reviewed by Owen!)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137876 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 21:32:02 +00:00
Bill Wendling
a65a3bc1a1 Revert patch. Forgot a dependent commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137875 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 21:28:05 +00:00
Bill Wendling
4eb2062143 Add the body of 'visitLandingPad'. 
This generates the SDNodes for the new exception handling scheme. It takes the
two values coming from the landingpad instruction and assigns them to the
EXCEPTIONADDR and EHSELECTION nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137873 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 21:25:14 +00:00
Bill Wendling
ab82fd9ff6 Increment the insertion iterator to beyond the landingpad instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137872 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-17 21:21:31 +00:00
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