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Author SHA1 Message Date
Bruno Cardoso Lopes
74a67e22b0 Add AVX versions of blend vector operations and fix some issues noticed 
in Nadav's r139285 and r139287 commits.

1) Rename vsel.ll to a more descriptive name
2) Change the order of BLEND operands to "Op1, Op2, Cond", this is
necessary because PBLENDVB is already used in different places with
this order, and it was being emitted in the wrong way for vselect
3) Add AVX patterns and tests for the same SSE41 instructions

llvm-svn: 139305
 2011-09-08 18:05:08 +00:00
Bruno Cardoso Lopes
84c53e3965 Fix PR10844: Add patterns to cover non foldable versions of X86vzmovl. 
Triggered using llc -O0. Also fix some SET0PS patterns to their AVX
forms and test it on the testcase.

llvm-svn: 139304
 2011-09-08 18:05:02 +00:00
Caitlin Sadowski
ac6881fc85 Added LateParsed property to TableGen attributes. 
This patch was written by DeLesley Hutchins.

llvm-svn: 139300
 2011-09-08 17:40:49 +00:00
Jim Grosbach
222a102bd1 Add tests for Thumb2 LDRB indexed addressing w/ writeback. 
llvm-svn: 139292
 2011-09-08 16:49:36 +00:00
Nadav Rotem
fd68584146 This test is already covered by llvm/trunk/test/CodeGen/X86/vsel.ll 
llvm-svn: 139288
 2011-09-08 08:43:23 +00:00
Nadav Rotem
dbfa2c8810 add a testcase for the previous patch 
llvm-svn: 139287
 2011-09-08 08:31:31 +00:00
James Molloy
090d019a29 Fix warning on windows; use of comparison with bool argument. 
llvm-svn: 139286
 2011-09-08 08:12:01 +00:00
Nadav Rotem
b461f2190e Add X86-SSE4 codegen support for vector-select. 
llvm-svn: 139285
 2011-09-08 08:11:19 +00:00
Ivan Krasin
2f2f63807f lto/addAsmGlobalSymbols: fast path when no module level asm is present. 
llvm-svn: 139284
 2011-09-08 07:38:25 +00:00
Ivan Krasin
6d62a9f1b3 lto/addAsmGlobalSymbols: fail fracefully when the target does not define AsmParser. 
llvm-svn: 139283
 2011-09-08 07:36:39 +00:00
David Blaikie
385dc75118 Adding myself to test my new commit powers. 
llvm-svn: 139280
 2011-09-08 05:32:49 +00:00
Andrew Trick
dc3f981b08 Fix a use of freed string contents. 
Speculatively try to fix our windows testers with a patch I found on the internet.

llvm-svn: 139279
 2011-09-08 05:25:49 +00:00
Andrew Trick
daeb007cee whitespace 
llvm-svn: 139278
 2011-09-08 05:23:14 +00:00
Eli Friedman
c933295353 A couple minor corrections to r139276. 
llvm-svn: 139277
 2011-09-08 02:37:07 +00:00
Eli Friedman
6e9cab83b0 Fix the logic in BasicAliasAnalysis::aliasGEP for comparing GEP's with variable differences so that it actually does something sane. Fixes PR10881. 
llvm-svn: 139276
 2011-09-08 02:23:31 +00:00
Jim Grosbach
5ac3aa158b Thumb2 assembly parsing and encoding for LDR post-indexed. 
More cleanup of the general indexed addressing T2 instructions. Still more to
do, especially for stores.

llvm-svn: 139272
 2011-09-08 01:01:32 +00:00
Jim Grosbach
1aa191032a Thumb2 assembly parsing and encoding for LDR pre-indexed w/ writeback. 
Adjust encoding of writeback load/store instructions to better reflect the
way the operand types are represented.

llvm-svn: 139270
 2011-09-08 00:39:19 +00:00
Owen Anderson
4a5ec6836f Remove the "common" set of instructions shared between ARM and Thumb2 modes. This is no longer needed now that Thumb2 has its own copy of the STC/LDC instructions. 
llvm-svn: 139268
 2011-09-08 00:11:18 +00:00
Jim Grosbach
8b54d19514 Thumb2 assembly parsing and encoding for LDRBT. 
llvm-svn: 139267
 2011-09-07 23:39:14 +00:00
Jim Grosbach
7482c11b79 Thumb2 assembly parsing and encoding for LDRB(register). 
llvm-svn: 139266
 2011-09-07 23:17:00 +00:00
Jim Grosbach
a3ff9eeb85 Thumb2 assembly parsing and encoding for LDR(register). 
llvm-svn: 139264
 2011-09-07 23:10:15 +00:00
Benjamin Kramer
f4e9cbfc05 Add two notes for correlated-expression optimizations. 
llvm-svn: 139263
 2011-09-07 22:49:26 +00:00
Jakob Stoklund Olesen
6853bdde5b Revert r139247 "Cache intermediate results during traceSiblingValue." 
It broke the self host and clang-x86_64-darwin10-RA.

llvm-svn: 139259
 2011-09-07 21:43:52 +00:00
Jim Grosbach
d640c62856 Thumb2 assembly parsing and encoding for LDRB(immediate). 
llvm-svn: 139258
 2011-09-07 21:41:25 +00:00
Jim Grosbach
deb3c78242 Thumb2 assembly parsing and encoding for LDR(literal). 
Need branch relocation support to distinguish this encoding from the
16-bit Thumb1 encoding w/o the explicit .w suffix. That comes later, though.

llvm-svn: 139257
 2011-09-07 21:33:16 +00:00
Owen Anderson
26467730c1 Create Thumb2 versions of STC/LDC, and reenable the relevant tests. 
llvm-svn: 139256
 2011-09-07 21:10:42 +00:00
Jim Grosbach
53b836a088 Add tests for Thumb2 LDR(immediate) from r139254. 
llvm-svn: 139255
 2011-09-07 21:06:46 +00:00
Jim Grosbach
20642fb479 Thumb2 parsing and encoding for LDR(immediate). 
The immediate offset of the non-writeback i8 form (encoding T4) allows
negative offsets only. The positive offset form of the encoding is the
LDRT instruction. Immediate offsets in the range [0,255] use encoding T3
instead.

llvm-svn: 139254
 2011-09-07 20:58:57 +00:00
Jim Grosbach
054b346e46 Thumb2 parsing and encoding for LDMDB. 
llvm-svn: 139251
 2011-09-07 19:57:53 +00:00
James Molloy
ac057f13a5 Second of a three-patch series aiming to fix MSR/MRS on Cortex-M. This adds predicate checking to the Disassembler. 
llvm-svn: 139250
 2011-09-07 19:42:28 +00:00
Jakob Stoklund Olesen
46444bd655 Cache intermediate results during traceSiblingValue. 
In some cases such as interpreters using indirectbr, the CFG can be very
complicated, and live range splitting may be forced to insert a large
number of phi-defs.  When that happens, traceSiblingValue can spend a
lot of time zipping around in the CFG looking for defs and reloads.

This patch causes more information to be cached in SibValues, and the
cached values are used to terminate searches early.  This speeds up
spilling by 20x in one interpreter test case.  For more typical code,
this is just a 10% speedup of spilling.

llvm-svn: 139247
 2011-09-07 19:07:31 +00:00
Eli Friedman
9ea5599729 Fix atomic load and store on x86 to pass -verify-machineinstrs (and possibly fix some subtle bugs involving passes which check mayStore()). 
This isn't exactly ideal, but it is good enough for the moment.

llvm-svn: 139245
 2011-09-07 18:48:32 +00:00
Jim Grosbach
f5f321c4ce Update test for 139243 
llvm-svn: 139244
 2011-09-07 18:40:06 +00:00
Jim Grosbach
bd018fd94f Thumb2 ldm/stm 'db' mnemonics don't have a '.w' suffix. 
There is no 16-bit wide encoding, so the .w suffix isn't needed (indeed, isn't
documented as allowed). Also add the missing '!' token on the _UPD
variant.

llvm-svn: 139243
 2011-09-07 18:39:47 +00:00
Jim Grosbach
20689d28e7 Thumb2 parsing and encoding for LDMIA. 
Choose 32-bit vs. 16-bit encoding when there's no .w suffix in post-processing
as match classes are insufficient to handle the context-sensitiveness of
the writeback operand's legality for the 16-bit encodings.

llvm-svn: 139242
 2011-09-07 18:05:34 +00:00
Owen Anderson
4106b9fb31 Port more assembler tests over to disassembler tests, and fix a minor logic error that exposed. 
llvm-svn: 139240
 2011-09-07 17:55:19 +00:00
James Molloy
f781d3d8e9 Refactor instprinter and mcdisassembler to take a SubtargetInfo. Add -mattr= handling to llvm-mc. Reviewed by Owen Anderson. 
llvm-svn: 139237
 2011-09-07 17:24:38 +00:00
Duncan Sands
b027f19035 When inlining exception handling code into another function, ensure that 
duplicate tests are eliminated (for example if the two functions both have
a catch clause catching the same type, ensure the redundant one is removed).
Note that it would probably be safe to say that eh.typeid.for is 'const',
but since two calls to it with the same argument can give different results
(but only if the calls are in different functions), it seems more correct to
mark it only 'pure'; this doesn't get in the way of the optimization.

llvm-svn: 139236
 2011-09-07 16:44:14 +00:00
Jim Grosbach
c0ebdea61f Thumb2 use 'ldm' as default mnemonic. 
Handle explicit 'ia' suffix via a MnemonicAlias (pre-existing).

llvm-svn: 139234
 2011-09-07 16:22:42 +00:00
Rafael Espindola
1cca4f99bd Detect attempt to use segmented stacks on non ELF systems and error 
(not assert) early.

llvm-svn: 139233
 2011-09-07 16:10:57 +00:00
Jim Grosbach
7969f880c0 Better diagnostic location information for mnemonic suffices. 
llvm-svn: 139232
 2011-09-07 16:06:04 +00:00
Duncan Sands
8df5170d0d Another forgotten trampoline testcase. 
llvm-svn: 139230
 2011-09-07 10:05:14 +00:00
Duncan Sands
ccd8b589f7 Forgot to add this trampoline testcase. 
llvm-svn: 139229
 2011-09-07 09:21:38 +00:00
Eli Friedman
6a45370c0f Relax the MemOperands on atomics a bit. Fixes -verify-machineinstrs failures for atomic laod/store on ARM. 
(The fix for the related failures on x86 is going to be nastier because we actually need Acquire memoperands attached to the atomic load instrs, etc.)

llvm-svn: 139221
 2011-09-07 02:23:42 +00:00
Joerg Sonnenberger
9fa9ed6961 Dependency should be on the output file name, not the dependency file 
name.

llvm-svn: 139220
 2011-09-07 02:12:03 +00:00
Devang Patel
f4483238b6 While sinking machine instructions, sink matching DBG_VALUEs also otherwise live debug variable pass will drop DBG_VALUEs on the floor. 
llvm-svn: 139208
 2011-09-07 00:07:58 +00:00
Bill Wendling
763ed58408 Reenable compact unwind by default. However, also emit the old version of unwind 
information for older linkers.

llvm-svn: 139206
 2011-09-06 23:47:14 +00:00
Owen Anderson
9ae90800a2 memset_pattern16 uses a 16 BYTE pattern, not a 16 BIT pattern. Add comments to that effect. 
llvm-svn: 139205
 2011-09-06 23:43:26 +00:00
Owen Anderson
483f94e8d1 Teach BasicAA about the aliasing properties of memset_pattern16. 
Fixes PR10872 and <rdar://problem/10065079>.

llvm-svn: 139204
 2011-09-06 23:33:25 +00:00
Jim Grosbach
2b87e14298 ISB is HasDB, not just HasV7. 
llvm-svn: 139202
 2011-09-06 23:09:19 +00:00