oota-llvm.git
13 years agoFixed compilation warning on Linux by fixing the type of a return value.
John Criswell [Thu, 18 Aug 2011 01:19:05 +0000 (01:19 +0000)]
Fixed compilation warning on Linux by fixing the type of a return value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137913 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDramatically speedup codegen prepare by a) avoiding use of dominator tree and b)...
Devang Patel [Thu, 18 Aug 2011 00:50:51 +0000 (00:50 +0000)]
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

13 years agoPort new Thumb1 encoding tests over to decoding tests.
Owen Anderson [Wed, 17 Aug 2011 23:37:33 +0000 (23:37 +0000)]
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

13 years agoRemove extraneous newline from operand print method. PR10569.
Jim Grosbach [Wed, 17 Aug 2011 23:23:07 +0000 (23:23 +0000)]
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

13 years agoARM assembly parsing and encoding test for BKPT.
Jim Grosbach [Wed, 17 Aug 2011 23:11:13 +0000 (23:11 +0000)]
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

13 years agoClean up patterns for Thumb1 system instructions.
Jim Grosbach [Wed, 17 Aug 2011 23:08:57 +0000 (23:08 +0000)]
Clean up patterns for Thumb1 system instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137897 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoARM assembly parsing and encoding test for BIC.
Jim Grosbach [Wed, 17 Aug 2011 23:00:53 +0000 (23:00 +0000)]
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

13 years agoChanged definition of EXT and INS per Bruno's comments.
Akira Hatanaka [Wed, 17 Aug 2011 22:59:46 +0000 (22:59 +0000)]
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

13 years agoThumb assembly parsing and encoding for B.
Jim Grosbach [Wed, 17 Aug 2011 22:57:40 +0000 (22:57 +0000)]
Thumb assembly parsing and encoding for B.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137891 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDo not use DebugInfoFinder. Extract debug info directly from llvm.dbg.cu named mdnode.
Devang Patel [Wed, 17 Aug 2011 22:49:38 +0000 (22:49 +0000)]
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

13 years agoThumb assembly parsing and encoding for ASR.
Jim Grosbach [Wed, 17 Aug 2011 22:49:09 +0000 (22:49 +0000)]
Thumb assembly parsing and encoding for ASR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137889 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAtomic load/store handling for the passes using memdep (GVN, DSE, memcpyopt).
Eli Friedman [Wed, 17 Aug 2011 22:22:24 +0000 (22:22 +0000)]
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

13 years agoFix PR10688. Add support for spliting 256-bit vector shifts when the
Bruno Cardoso Lopes [Wed, 17 Aug 2011 22:12:20 +0000 (22:12 +0000)]
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

13 years agoTidy up. 80 columns.
Jim Grosbach [Wed, 17 Aug 2011 21:58:18 +0000 (21:58 +0000)]
Tidy up. 80 columns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137881 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd the support in code-gen for the landingpad instruction lowering.
Bill Wendling [Wed, 17 Aug 2011 21:56:44 +0000 (21:56 +0000)]
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

13 years agoARM clean up the imm_sr operand class representation.
Jim Grosbach [Wed, 17 Aug 2011 21:51:27 +0000 (21:51 +0000)]
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

13 years agoDisable PRE for landing pads.
Bill Wendling [Wed, 17 Aug 2011 21:32:02 +0000 (21:32 +0000)]
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

13 years agoRevert patch. Forgot a dependent commit.
Bill Wendling [Wed, 17 Aug 2011 21:28:05 +0000 (21:28 +0000)]
Revert patch. Forgot a dependent commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137875 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd the body of 'visitLandingPad'.
Bill Wendling [Wed, 17 Aug 2011 21:25:14 +0000 (21:25 +0000)]
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

13 years agoIncrement the insertion iterator to beyond the landingpad instruction.
Bill Wendling [Wed, 17 Aug 2011 21:21:31 +0000 (21:21 +0000)]
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

13 years agoDon't optimize the landing pad exit block.
Bill Wendling [Wed, 17 Aug 2011 21:20:43 +0000 (21:20 +0000)]
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

13 years agoAssert that we aren't trying to split the critical edge of a landing pad. Doing
Bill Wendling [Wed, 17 Aug 2011 21:04:05 +0000 (21:04 +0000)]
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

13 years agoFix predicate for imm1_32
Jim Grosbach [Wed, 17 Aug 2011 21:01:11 +0000 (21:01 +0000)]
Fix predicate for imm1_32

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137865 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThumb assembly parsing and encoding for ADR.
Jim Grosbach [Wed, 17 Aug 2011 20:37:40 +0000 (20:37 +0000)]
Thumb assembly parsing and encoding for ADR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137864 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert r137655. There is some question about whether the 'landingpad'
Bill Wendling [Wed, 17 Aug 2011 20:36:44 +0000 (20:36 +0000)]
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

13 years agoAdd a couple of FIXMEs.
Jim Grosbach [Wed, 17 Aug 2011 20:35:57 +0000 (20:35 +0000)]
Add a couple of FIXMEs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137861 91177308-0d34-0410-b5e6-96231b3b80d8

13 years ago80 columns.
Jim Grosbach [Wed, 17 Aug 2011 19:55:51 +0000 (19:55 +0000)]
80 columns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137857 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTidy up.
Jim Grosbach [Wed, 17 Aug 2011 19:53:53 +0000 (19:53 +0000)]
Tidy up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137856 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoModify for the new EH scheme.
Bill Wendling [Wed, 17 Aug 2011 19:48:49 +0000 (19:48 +0000)]
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

13 years agoRemove unneeded sentence.
Bill Wendling [Wed, 17 Aug 2011 19:33:27 +0000 (19:33 +0000)]
Remove unneeded sentence.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137854 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert r137781; I agree with Duncan's comment that the situation in question is clear...
Eli Friedman [Wed, 17 Aug 2011 19:31:49 +0000 (19:31 +0000)]
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

13 years agoAdd support for half-word unaligned loads and stores.
Akira Hatanaka [Wed, 17 Aug 2011 18:49:18 +0000 (18:49 +0000)]
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

13 years agoFix test case.
Devang Patel [Wed, 17 Aug 2011 18:48:28 +0000 (18:48 +0000)]
Fix test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137847 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove superficial test.
Devang Patel [Wed, 17 Aug 2011 18:39:13 +0000 (18:39 +0000)]
Remove superficial test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137846 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRobustify test.
Devang Patel [Wed, 17 Aug 2011 18:38:44 +0000 (18:38 +0000)]
Robustify test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137845 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoStatic fields require an out-of-line definition. Fix DynamicLibrary for real.
Jordy Rose [Wed, 17 Aug 2011 18:38:42 +0000 (18:38 +0000)]
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

13 years ago...and make sure DynamicLibrary builds by removing "const" from the Invalid placeholder.
Jordy Rose [Wed, 17 Aug 2011 18:28:14 +0000 (18:28 +0000)]
...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

13 years agoDon't use NULL to represent an invalid library; Cygwin uses this for RTLD_DEFAULT...
Jordy Rose [Wed, 17 Aug 2011 18:23:17 +0000 (18:23 +0000)]
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

13 years agoStart building a Thumb1 decoding test file based on the Thumb1 parsing/encoding test...
Owen Anderson [Wed, 17 Aug 2011 18:21:36 +0000 (18:21 +0000)]
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

13 years agoBe more careful in the Thumb decoder hooks to avoid walking off the end of the OpInfo...
Owen Anderson [Wed, 17 Aug 2011 18:14:48 +0000 (18:14 +0000)]
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

13 years agoSilly mistake from r137777; restore significant isStructTy() checks. While here...
Eli Friedman [Wed, 17 Aug 2011 18:10:43 +0000 (18:10 +0000)]
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

13 years agoThumb assembly parsing and encoding for ADC(register) instruction.
Jim Grosbach [Wed, 17 Aug 2011 17:55:28 +0000 (17:55 +0000)]
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

13 years agoAdd missing '@' delimiter.
Jim Grosbach [Wed, 17 Aug 2011 17:46:01 +0000 (17:46 +0000)]
Add missing '@' delimiter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137832 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMove pattern matching for EXT and INS to post-legalization DAGCombine per Bruno's...
Akira Hatanaka [Wed, 17 Aug 2011 17:45:08 +0000 (17:45 +0000)]
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

13 years agoAllow the MCDisassembler to return a "soft fail" status code, indicating an instructi...
Owen Anderson [Wed, 17 Aug 2011 17:44:15 +0000 (17:44 +0000)]
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

13 years agoIntroduce matching patterns for vbroadcast AVX instruction. The idea is to
Bruno Cardoso Lopes [Wed, 17 Aug 2011 02:29:19 +0000 (02:29 +0000)]
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

13 years agoUpdate test to not use the scalar type to splat from a load
Bruno Cardoso Lopes [Wed, 17 Aug 2011 02:29:15 +0000 (02:29 +0000)]
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

13 years agoUpdate comments about vector splat handling in x86
Bruno Cardoso Lopes [Wed, 17 Aug 2011 02:29:13 +0000 (02:29 +0000)]
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

13 years agoNow that we have a canonical way to handle 256-bit splats:
Bruno Cardoso Lopes [Wed, 17 Aug 2011 02:29:10 +0000 (02:29 +0000)]
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

13 years agoUpdate uwtable vim color!
Bruno Cardoso Lopes [Wed, 17 Aug 2011 02:29:07 +0000 (02:29 +0000)]
Update uwtable vim color!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137806 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd support for ext and ins.
Akira Hatanaka [Wed, 17 Aug 2011 02:05:42 +0000 (02:05 +0000)]
Add support for ext and ins.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137804 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCMake: [MSVC] Suppress C4551 'function call missing argument list'.
NAKAMURA Takumi [Wed, 17 Aug 2011 01:28:30 +0000 (01:28 +0000)]
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

13 years agoUnbork Windows build. Thanks, Francois.
Jordy Rose [Wed, 17 Aug 2011 00:59:50 +0000 (00:59 +0000)]
Unbork Windows build. Thanks, Francois.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137798 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUse DynamicLibrary instances as a way to get symbols from a specific library. Prepara...
Jordy Rose [Wed, 17 Aug 2011 00:29:32 +0000 (00:29 +0000)]
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

13 years agoThumb ADD(immediate) parsing support.
Jim Grosbach [Tue, 16 Aug 2011 23:57:34 +0000 (23:57 +0000)]
Thumb ADD(immediate) parsing support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137788 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSeparate out Thumb1 instructions that need an S bit operand from those that do not...
Owen Anderson [Tue, 16 Aug 2011 23:45:44 +0000 (23:45 +0000)]
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

13 years agoAn additional atomic test; related to r137662.
Eli Friedman [Tue, 16 Aug 2011 23:29:17 +0000 (23:29 +0000)]
An additional atomic test; related to r137662.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137786 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoExtend the undef ^ undef idiom once more. No testcase: I can't figure out how to...
Eli Friedman [Tue, 16 Aug 2011 22:38:34 +0000 (22:38 +0000)]
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

13 years agoThumb parsing diagnostics for low-reg requirements on ADD and MOV.
Jim Grosbach [Tue, 16 Aug 2011 22:20:01 +0000 (22:20 +0000)]
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

13 years agoUntil now all debug info MDNodes referred to a root MDNode, a compile unit. This...
Devang Patel [Tue, 16 Aug 2011 22:09:43 +0000 (22:09 +0000)]
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

13 years agoA bunch of misc fixes to SCCPSolver::ResolvedUndefsIn, including a fix to stop
Eli Friedman [Tue, 16 Aug 2011 22:06:31 +0000 (22:06 +0000)]
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

13 years agoRemove tests that have been obsoleted or migrated to clang/optimizer tests.
Eric Christopher [Tue, 16 Aug 2011 21:46:25 +0000 (21:46 +0000)]
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

13 years agoAdd missing exit for 'case'.
Jim Grosbach [Tue, 16 Aug 2011 21:42:31 +0000 (21:42 +0000)]
Add missing exit for 'case'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137774 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThumb assembly parsing and encoding for ADD(register) instruction.
Jim Grosbach [Tue, 16 Aug 2011 21:34:08 +0000 (21:34 +0000)]
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

13 years agoThe resume instruction may throw. Return 'true' in this case.
Bill Wendling [Tue, 16 Aug 2011 21:15:50 +0000 (21:15 +0000)]
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

13 years agoMove some logic into a helper function and expand the commentary.
Jim Grosbach [Tue, 16 Aug 2011 21:12:37 +0000 (21:12 +0000)]
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

13 years agoMinor bug in SCCP found by inspection. (I don't think it's possible to hit this...
Eli Friedman [Tue, 16 Aug 2011 21:12:35 +0000 (21:12 +0000)]
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

13 years agoAdd testcase for r137746.
Jim Grosbach [Tue, 16 Aug 2011 21:11:21 +0000 (21:11 +0000)]
Add testcase for r137746.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137754 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoIncrement debug info version to accommodate upcoming change in debug info node structure.
Devang Patel [Tue, 16 Aug 2011 21:00:05 +0000 (21:00 +0000)]
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

13 years agoTidy up formatting.
Jim Grosbach [Tue, 16 Aug 2011 20:55:41 +0000 (20:55 +0000)]
Tidy up formatting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137747 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoARM thumb assembly parsing for arithmetic flag setting instructions.
Jim Grosbach [Tue, 16 Aug 2011 20:45:50 +0000 (20:45 +0000)]
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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137746 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUse the getFirstInsertionPt() method instead of getFirstNonPHI + an 'isa<>'
Bill Wendling [Tue, 16 Aug 2011 20:45:24 +0000 (20:45 +0000)]
Use the getFirstInsertionPt() method instead of getFirstNonPHI + an 'isa<>'
check for a LandingPadInst.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137745 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd getFirstInsertionPt() method.
Bill Wendling [Tue, 16 Aug 2011 20:42:52 +0000 (20:42 +0000)]
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).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137744 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoI think there was some confusion about what I meant. :-) Replacing the comment.
Bill Wendling [Tue, 16 Aug 2011 20:41:17 +0000 (20:41 +0000)]
I think there was some confusion about what I meant. :-) Replacing the comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137743 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPrefer diagnostics from target predicate in asm matcher.
Jim Grosbach [Tue, 16 Aug 2011 20:12:35 +0000 (20:12 +0000)]
Prefer diagnostics from target predicate in asm matcher.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137742 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove unused Target argument from AsmParser construction methods.
Jim Grosbach [Tue, 16 Aug 2011 18:33:49 +0000 (18:33 +0000)]
Remove unused Target argument from AsmParser construction methods.

The argument is unused, and is a layering violation in any case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137735 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove unused forward declaration.
Jim Grosbach [Tue, 16 Aug 2011 18:31:36 +0000 (18:31 +0000)]
Remove unused forward declaration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137734 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoInstead of always leaving the work to the generic legalizer when
Bruno Cardoso Lopes [Tue, 16 Aug 2011 18:21:54 +0000 (18:21 +0000)]
Instead of always leaving the work to the generic legalizer when
there is no support for native 256-bit shuffles, be more smart in some
cases, for example, when you can extract specific 128-bit parts and use
regular 128-bit shuffles for them. Example:

For this shuffle:
  shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32>
                <i32 1, i32 0, i32 7, i32 6>

This was expanded to:
  vextractf128  $1, %ymm1, %xmm2
  vpextrq $0, %xmm2, %rax
  vmovd %rax, %xmm1
  vpextrq $1, %xmm2, %rax
  vmovd %rax, %xmm2
  vpunpcklqdq %xmm1, %xmm2, %xmm1
  vpextrq $0, %xmm0, %rax
  vmovd %rax, %xmm2
  vpextrq $1, %xmm0, %rax
  vmovd %rax, %xmm0
  vpunpcklqdq %xmm2, %xmm0, %xmm0
  vinsertf128 $1, %xmm1, %ymm0, %ymm0
  ret

Now we get:
  vshufpd $1, %xmm0, %xmm0, %xmm0
  vextractf128  $1, %ymm1, %xmm1
  vshufpd $1, %xmm1, %xmm1, %xmm1
  vinsertf128 $1, %xmm1, %ymm0, %ymm0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137733 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove unnecessary version check.
Devang Patel [Tue, 16 Aug 2011 17:41:41 +0000 (17:41 +0000)]
Remove unnecessary version check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137728 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd test case for r137711.
Akira Hatanaka [Tue, 16 Aug 2011 17:32:01 +0000 (17:32 +0000)]
Add test case for r137711.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137725 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoARM .align NOP padding uses different encoding pre-ARMv6.
Jim Grosbach [Tue, 16 Aug 2011 17:06:20 +0000 (17:06 +0000)]
ARM .align NOP padding uses different encoding pre-ARMv6.

Patch by Kristof Beyls and James Malloy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137723 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTidy up. Trailing whitespace.
Jim Grosbach [Tue, 16 Aug 2011 16:38:17 +0000 (16:38 +0000)]
Tidy up. Trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137721 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert r137562 because it caused PR10674
Nadav Rotem [Tue, 16 Aug 2011 14:34:29 +0000 (14:34 +0000)]
Revert r137562 because it caused PR10674

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137719 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a mechanism for optimisation plugins to register passes that all front ends can...
David Chisnall [Tue, 16 Aug 2011 13:58:41 +0000 (13:58 +0000)]
Add a mechanism for optimisation plugins to register passes that all front ends can use without needing to be aware of the plugin (or the plugin be aware of the front end).

Before 3.0, I'd like to add a mechanism for automatically loading a set of plugins from a config file.  API suggestions welcome...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137717 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove unimplemented method. Fixes PR10658.
Rafael Espindola [Tue, 16 Aug 2011 13:53:50 +0000 (13:53 +0000)]
Remove unimplemented method. Fixes PR10658.
Thanks to Jonas Gafele for noticing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137716 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agocmake/modules/FindBison.cmake: It must be unneeded any more.
NAKAMURA Takumi [Tue, 16 Aug 2011 11:10:54 +0000 (11:10 +0000)]
cmake/modules/FindBison.cmake: It must be unneeded any more.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137715 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoA few places where we want to skip the landingpad instruction for insertion.
Bill Wendling [Tue, 16 Aug 2011 04:52:55 +0000 (04:52 +0000)]
A few places where we want to skip the landingpad instruction for insertion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137712 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix handling of double precision loads and stores when Mips1 is targeted.
Akira Hatanaka [Tue, 16 Aug 2011 03:51:51 +0000 (03:51 +0000)]
Fix handling of double precision loads and stores when Mips1 is targeted.

Mips1 does not support double precision loads or stores, therefore two single
precision loads or stores must be used in place of these instructions. This
patch treats double precision loads and stores as if they are legal
instructions until MCInstLowering, instead of generating the single precision
instructions during instruction selection or Prolog/Epilog code insertion.

Without the changes made in this patch, llc produces code that has the same
problem described in r137484 or bails out when
MipsInstrInfo::storeRegToStackSlot or loadRegFromStackSlot is called before
register allocation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137711 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDefine function MipsMCInstLower::LowerOperand.
Akira Hatanaka [Tue, 16 Aug 2011 02:21:03 +0000 (02:21 +0000)]
Define function MipsMCInstLower::LowerOperand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137707 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd parameter Offset to MipsMCInstLower::LowerSymbolOperand.
Akira Hatanaka [Tue, 16 Aug 2011 02:15:03 +0000 (02:15 +0000)]
Add parameter Offset to MipsMCInstLower::LowerSymbolOperand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137706 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix test.
Eli Friedman [Tue, 16 Aug 2011 01:42:56 +0000 (01:42 +0000)]
Fix test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137703 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert a bit of r137667; the logic in question can safely handle atomic load/store.
Eli Friedman [Tue, 16 Aug 2011 01:28:22 +0000 (01:28 +0000)]
Revert a bit of r137667; the logic in question can safely handle atomic load/store.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137702 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMigrate this test from llvm/test/FrontendC++/ptr-to-method-devirt.cpp and
Eric Christopher [Tue, 16 Aug 2011 01:17:17 +0000 (01:17 +0000)]
Migrate this test from llvm/test/FrontendC++/ptr-to-method-devirt.cpp and
FileCheckize. It is more properly an optimizer test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137700 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAfter talking with Bill, it seems like the LandingPad handling here is likely
Eli Friedman [Tue, 16 Aug 2011 00:41:37 +0000 (00:41 +0000)]
After talking with Bill, it seems like the LandingPad handling here is likely
to be wrong (or at least somewhat suspect).  Leave a FIXME for Bill.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137694 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMinor comment fixes.
Eli Friedman [Tue, 16 Aug 2011 00:20:11 +0000 (00:20 +0000)]
Minor comment fixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137693 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUpdate SimplifyCFG for atomic operations.
Eli Friedman [Mon, 15 Aug 2011 23:59:28 +0000 (23:59 +0000)]
Update SimplifyCFG for atomic operations.

This commit includes a mention of the landingpad instruction, but it's not
changing the behavior around it.  I think the current behavior is correct,
though.  Bill, can you double-check that?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137691 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd comments and test for atomic load/store and mem2reg.
Eli Friedman [Mon, 15 Aug 2011 23:55:52 +0000 (23:55 +0000)]
Add comments and test for atomic load/store and mem2reg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137690 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRefactor.
Devang Patel [Mon, 15 Aug 2011 23:47:24 +0000 (23:47 +0000)]
Refactor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137689 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a test file for Thumb2 NEON.
Owen Anderson [Mon, 15 Aug 2011 23:42:20 +0000 (23:42 +0000)]
Add a test file for Thumb2 NEON.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137687 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSpecify a necessary fixed bit for VLD3DUP, and otherwise rearrange the Thumb2 NEON...
Owen Anderson [Mon, 15 Aug 2011 23:38:54 +0000 (23:38 +0000)]
Specify a necessary fixed bit for VLD3DUP, and otherwise rearrange the Thumb2 NEON decoding hooks to bring us closer to correctness.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137686 91177308-0d34-0410-b5e6-96231b3b80d8