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Bill Wendling
fef33f1d24 Revert r137871. The loop simplify pass should require all exits from a loop that 
aren't from an indirect branch need to be dominated by the loop header.

llvm-svn: 137981
 2011-08-18 21:10:01 +00:00
Bill Wendling
f3c0fabac7 Split out the updating of PHI nodes after splitting the BB into a separate 
function.

llvm-svn: 137979
 2011-08-18 20:51:04 +00:00
Bill Wendling
dec05a3784 Use this fantzy ArrayRef thing to pass in the list of predecessors. 
llvm-svn: 137978
 2011-08-18 20:39:32 +00:00
Akira Hatanaka
1876aadea7 Make IsShiftedMask a static function rather than defining it in an 
anonymous namespace.

llvm-svn: 137975
 2011-08-18 20:07:42 +00:00
Owen Anderson
b4bc7704ec More Thumb1 decoding tests. 
llvm-svn: 137974
 2011-08-18 20:05:06 +00:00
Nick Lewycky
0b43a027b3 The edge from DISubprogram to DICompileUnit has been removed in recent versions 
of debug info.

llvm-svn: 137972
 2011-08-18 19:07:42 +00:00
Devang Patel
89c3e65b97 Add another test. 
llvm-svn: 137969
 2011-08-18 18:50:25 +00:00
Devang Patel
63300edc64 Add test to check type uniquing. 
llvm-svn: 137968
 2011-08-18 18:40:49 +00:00
Jim Grosbach
e5d4c35c23 Thumb assembly parsing and encoding for EOR. 
llvm-svn: 137964
 2011-08-18 18:10:38 +00:00
Jim Grosbach
d14d4c0aa8 Thumb assembly parsing and encoding for CMP. 
llvm-svn: 137963
 2011-08-18 18:08:29 +00:00
James Molloy
5d9ba3b5aa Test commit; adding test for invalid LDRD which was part of the patch for r137647 but seemingly didn't get svn add'ed. 
llvm-svn: 137960
 2011-08-18 18:03:02 +00:00
Bill Wendling
3fbc8471bb Use static instead of anonymous namespace. 
llvm-svn: 137959
 2011-08-18 17:57:57 +00:00
Jim Grosbach
a76d04e29e Thumb assembly parsing and encoding test for CMN. 
llvm-svn: 137957
 2011-08-18 17:55:03 +00:00
Jim Grosbach
088d205084 Thumb instructions CBZ and CBNZ are Thumb2, not THumb1. 
llvm-svn: 137956
 2011-08-18 17:51:36 +00:00
Owen Anderson
366ac95879 Port over BL/BLX to disassembly tests. 
llvm-svn: 137954
 2011-08-18 17:43:52 +00:00
Chris Lattner
8213fad390 Rip out the old StructType APIs as warned about on llvmdev last week. 
llvm-svn: 137953
 2011-08-18 17:39:28 +00:00
Jim Grosbach
54d054dba4 ARM assembly parsing and encoding test for BX/BLX (register). 
llvm-svn: 137949
 2011-08-18 17:02:28 +00:00
Jim Grosbach
1a63bca66c ARM assembly parsing and encoding test for BL/BLX (immediate). 
llvm-svn: 137948
 2011-08-18 17:00:09 +00:00
Jim Grosbach
2f385f0f38 ARM Thumb blx instruction fixup has same data range as bl. 
These fixups are handled poorly in general, and should have a single
contiguous range of bits per fixup type, but that's not how they're
currently organized, so for now in complex ones like for blx, we just tell the
emitter it's OK for the fixup to munge any bit it wants.

llvm-svn: 137947
 2011-08-18 16:57:50 +00:00
Jim Grosbach
58bd93312a 80 columns. 
llvm-svn: 137946
 2011-08-18 16:50:45 +00:00
Bruno Cardoso Lopes
19359daff9 Clenup and fix encoding for Mips ins and ext instruction 
llvm-svn: 137943
 2011-08-18 16:30:49 +00:00
Jim Grosbach
95db9c2dee Add missing 'break'. 
llvm-svn: 137941
 2011-08-18 16:08:39 +00:00
Richard Osborne
415c5ff412 Add intrinsics for SETEV, GETED, GETET. 
llvm-svn: 137938
 2011-08-18 13:00:48 +00:00
Duncan Sands
345561fe99 Remove unused variable. 
llvm-svn: 137933
 2011-08-18 08:13:18 +00:00
Bill Wendling
42b9a110e0 Split out the analysis updating code into a helper function. No intended 
functionality change.

llvm-svn: 137926
 2011-08-18 05:25:23 +00:00
Bruno Cardoso Lopes
c174d8ac48 Cleanup vector logical ops in AVX and add use int versions for simple 
v2i64

llvm-svn: 137919
 2011-08-18 02:11:34 +00:00
John Criswell
6df53156ad Fixed compilation warning on Linux by fixing the type of a return value. 
llvm-svn: 137913
 2011-08-18 01:19:05 +00:00
Devang Patel
43e799cc40 Dramatically speedup codegen prepare by a) avoiding use of dominator tree and b) doing a separate pass over dbg.value instructions. 
llvm-svn: 137908
 2011-08-18 00:50:51 +00:00
Owen Anderson
eb5c093d8d Port new Thumb1 encoding tests over to decoding tests. 
llvm-svn: 137902
 2011-08-17 23:37:33 +00:00
Jim Grosbach
ed7d35c932 Remove extraneous newline from operand print method. PR10569. 
llvm-svn: 137900
 2011-08-17 23:23:07 +00:00
Jim Grosbach
d4e9b9844d ARM assembly parsing and encoding test for BKPT. 
llvm-svn: 137898
 2011-08-17 23:11:13 +00:00
Jim Grosbach
281f42444a Clean up patterns for Thumb1 system instructions. 
llvm-svn: 137897
 2011-08-17 23:08:57 +00:00
Jim Grosbach
fefc732dd9 ARM assembly parsing and encoding test for BIC. 
llvm-svn: 137895
 2011-08-17 23:00:53 +00:00
Akira Hatanaka
0af1edcce0 Changed definition of EXT and INS per Bruno's comments. 
llvm-svn: 137892
 2011-08-17 22:59:46 +00:00
Jim Grosbach
b0e8cd2bfa Thumb assembly parsing and encoding for B. 
llvm-svn: 137891
 2011-08-17 22:57:40 +00:00
Devang Patel
e1be26fa38 Do not use DebugInfoFinder. Extract debug info directly from llvm.dbg.cu named mdnode. 
llvm-svn: 137890
 2011-08-17 22:49:38 +00:00
Jim Grosbach
1b761bd2d5 Thumb assembly parsing and encoding for ASR. 
llvm-svn: 137889
 2011-08-17 22:49:09 +00:00
Eli Friedman
775a316a06 Atomic load/store handling for the passes using memdep (GVN, DSE, memcpyopt). 
llvm-svn: 137888
 2011-08-17 22:22:24 +00:00
Bruno Cardoso Lopes
82795e6b41 Fix PR10688. Add support for spliting 256-bit vector shifts when the 
shift amount is variable

llvm-svn: 137885
 2011-08-17 22:12:20 +00:00
Jim Grosbach
43a8f9d908 Tidy up. 80 columns. 
llvm-svn: 137881
 2011-08-17 21:58:18 +00:00
Bill Wendling
71ce55ffd7 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!)

llvm-svn: 137880
 2011-08-17 21:56:44 +00:00
Jim Grosbach
3efc45bfad 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.

llvm-svn: 137879
 2011-08-17 21:51:27 +00:00
Bill Wendling
fa8d0e1aea 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!)

llvm-svn: 137876
 2011-08-17 21:32:02 +00:00
Bill Wendling
2b25bb15ec Revert patch. Forgot a dependent commit. 
llvm-svn: 137875
 2011-08-17 21:28:05 +00:00
Bill Wendling
99907420dd 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.

llvm-svn: 137873
 2011-08-17 21:25:14 +00:00
Bill Wendling
e626358c3c Increment the insertion iterator to beyond the landingpad instruction. 
llvm-svn: 137872
 2011-08-17 21:21:31 +00:00
Bill Wendling
094d34f377 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.

llvm-svn: 137871
 2011-08-17 21:20:43 +00:00
Bill Wendling
c8581928f3 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.

llvm-svn: 137866
 2011-08-17 21:04:05 +00:00
Jim Grosbach
848a93ebdb Fix predicate for imm1_32 
llvm-svn: 137865
 2011-08-17 21:01:11 +00:00
Jim Grosbach
0115c6f75b Thumb assembly parsing and encoding for ADR. 
llvm-svn: 137864
 2011-08-17 20:37:40 +00:00