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139837 Commits

Author SHA1 Message Date
Craig Topper 5b807aaa38 Add hasSideEffects=0 to CMP*rr_REV. 
llvm-svn: 171130
 2012-12-27 02:08:46 +00:00
Nadav Rotem b3f6751df5 whitespace 
llvm-svn: 171129
 2012-12-27 02:04:12 +00:00
Craig Topper 89e8607755 Add mayLoad, mayStore, and hasSideEffects tags to BT/BTS/BTR/BTC instructions. Shouldn't change any functionality since they don't have patterns to select them. 
llvm-svn: 171128
 2012-12-27 02:01:33 +00:00
Shankar Easwaran bbf9ddda04 changes for the ELF Reader : split up into AtomsELF.h/Adding new permissions permRWX 
llvm-svn: 171127
 2012-12-27 01:40:08 +00:00
Eric Christopher 5a6acfa4c8 Right now all of the relocations are 32-bit dwarf, and the relocation 
information doesn't return an addend for Rel relocations. Go ahead
and use this information to fix relocation handling inside dwarfdump
for 32-bit ELF REL.

llvm-svn: 171126
 2012-12-27 01:07:07 +00:00
Shankar Easwaran b3cb257b8b changes to fix Hexagon Relocation so that it accounts for the bitmask properly as documented in the ABI 
llvm-svn: 171125
 2012-12-27 01:04:00 +00:00
Nadav Rotem 5350cd314b If all of the write objects are identified then we can vectorize the loop even if the read objects are unidentified. 
PR14719.

llvm-svn: 171124
 2012-12-26 23:30:53 +00:00
Craig Topper c557343956 Fix operands and encoding form for ARPL instruction. Register form had and reversed. Memory form writes memory, but was marked as MRMSrcMem. 
llvm-svn: 171123
 2012-12-26 23:27:57 +00:00
Craig Topper d47a70de9f Add hasSideEffects=0 to some atomic instructions. 
llvm-svn: 171122
 2012-12-26 23:08:12 +00:00
Craig Topper af2372087b Mark the AL/AX/EAX forms of the basic arithmetic operations has never having side effects. 
llvm-svn: 171121
 2012-12-26 22:19:23 +00:00
Nick Lewycky fca2acb618 80 columns. No functionality change. 
llvm-svn: 171120
 2012-12-26 22:00:49 +00:00
Nick Lewycky 90053a1214 Remove mid-optimizer warning. This situation should be handled differently, 
such as by a compiler warning, a check in clang -fsanitizer=undefined, being
optimized to unreachable, or a combination of the above. PR14722.

llvm-svn: 171119
 2012-12-26 22:00:35 +00:00
Craig Topper 1b8c0750ee Mark all the _REV instructions as not having side effects. They aren't really emitted by the backend, but it reduces the number of instructions in the output files with unmodelled side effects to make auditing easier. 
llvm-svn: 171118
 2012-12-26 21:30:22 +00:00
Craig Topper 18f2675e9b Remove a special conditional setting of neverHasSideEffects if the instruction didn't have a pattern. This was leftover from when tablegen used to complain if things were already inferred from patterns. 
llvm-svn: 171117
 2012-12-26 21:04:30 +00:00
Nadav Rotem 0bbf81e311 Update the docs with the new workload that was added. 
llvm-svn: 171115
 2012-12-26 19:45:00 +00:00
Nadav Rotem 3f7c4f36ba LoopVectorizer: Optimize the vectorization of consecutive memory access when the iteration step is -1 
llvm-svn: 171114
 2012-12-26 19:08:17 +00:00
Eli Bendersky 8d5f8dc485 Fix comment typo 
llvm-svn: 171113
 2012-12-26 18:15:42 +00:00
Alexey Samsonov d66b12b701 [ASan] Teach ASan to print demangled function name when describing stack frame 
llvm-svn: 171112
 2012-12-26 14:44:46 +00:00
Kostya Serebryany 390cf94f88 [asan] asan_allocator2: do not align the requested size to the redzone size (saves a bit more memory) 
llvm-svn: 171111
 2012-12-26 12:20:35 +00:00
Evgeniy Stepanov 5eb5bf8b46 [msan] Raise alignment of origin stores/loads when possible. 
Origin alignment is as high as the alignment of the corresponding application
location, but never less than 4.

llvm-svn: 171110
 2012-12-26 11:55:09 +00:00
Evgeniy Stepanov d8be0c510c [msan] Expand the file comment with track-origins info. 
llvm-svn: 171109
 2012-12-26 10:59:00 +00:00
Benjamin Kramer d14720dced Fix quoting in configure. Patch by Krzysztof Parzyszek! 
llvm-svn: 171108
 2012-12-26 10:48:49 +00:00
Kostya Serebryany 35cc75876a [asan] asan_allocator2: implement adaptive redzones. Now with asan_allocator2 allocations <= 48 bytes have 16 byte redzone, allocations of 48-96 bytes -- have 32 bytes redzone, etc (max redzone is 2048). If ASAN_OPTIONS=redzone=n is set, it changes the minimal redzone size 
llvm-svn: 171107
 2012-12-26 10:41:24 +00:00
Evgeniy Stepanov fee82c68ae [msan] MSan, New Year Tree style. 
llvm-svn: 171106
 2012-12-26 10:16:45 +00:00
Evgeniy Stepanov 367dc64563 [msan] Refactor report printing. 
llvm-svn: 171105
 2012-12-26 09:32:05 +00:00
Alexey Samsonov c914281341 [Sanitizer] attempt to fix InterlockedCompareExchangePointer intrinsic on MSVC 
llvm-svn: 171104
 2012-12-26 09:25:09 +00:00
Craig Topper 24f316e4db Merge still more SSE/AVX instruction definitions. 
llvm-svn: 171103
 2012-12-26 07:54:43 +00:00
Craig Topper af629e2700 Merge more SSE/AVX instruction definitions. 
llvm-svn: 171102
 2012-12-26 07:20:35 +00:00
NAKAMURA Takumi bf99a426cb TableGen/FixedLenDecoderEmitter.cpp: Fix a potential mask overflow in fieldFromInstruction(). 
Reported by Yang Yongyong, thanks!

llvm-svn: 171101
 2012-12-26 06:43:14 +00:00
Evgeniy Stepanov 794a73124b [msan] Check for conflicting memory mappings. 
Check for conflicting memory mappings before attempting to map shadow.
Helps avoid segfault on Linux with disabled ASLR.

llvm-svn: 171100
 2012-12-26 06:37:23 +00:00
Kostya Serebryany a11cd57a78 [asan] asan_allocator2: by default use the StackDepot to store the stack traces instead of storing them in the redzones 
llvm-svn: 171099
 2012-12-26 06:30:02 +00:00
Nadav Rotem a1d2436b5f revert an accidental commit. 
llvm-svn: 171098
 2012-12-26 06:16:03 +00:00
Craig Topper 65fe30450d Fix 80 column violation. 
llvm-svn: 171097
 2012-12-26 06:15:53 +00:00
Craig Topper f4d0fe8fcd Fix class name in comment. 
llvm-svn: 171096
 2012-12-26 06:15:09 +00:00
Craig Topper 59747c4dbd Merge SSE/AVX PCMPEQ/PCMPGT instruction definitions. 
llvm-svn: 171095
 2012-12-26 06:14:15 +00:00
Nadav Rotem 7375d35711 Doc: add fmuladd to the list of vectorizeable functions. Thanks hfinkel. 
llvm-svn: 171094
 2012-12-26 06:03:35 +00:00
Craig Topper 8a48677586 Remove 'v' from mnemonic to fix asm matching failures. 
llvm-svn: 171093
 2012-12-26 06:02:15 +00:00
Craig Topper b4ef0fa3a1 Use an additional multiclass to merge the 128/256-bit SSE/AVX instruction definitions for a bunch of SSE2 integer arithmetic instructions. 
llvm-svn: 171092
 2012-12-26 05:49:15 +00:00
Nadav Rotem 5267bb71b8 Reformat the docs. 
llvm-svn: 171091
 2012-12-26 04:59:20 +00:00
Nadav Rotem 0e1d662d56 white space 
llvm-svn: 171090
 2012-12-26 04:58:12 +00:00
Kostya Serebryany 27ad15e165 [asan] asan_allocator2: store the user requested size in just 32 bits (larger sizes use metadata). This allows to put one more 32-bit field into the chunk header 
llvm-svn: 171089
 2012-12-26 04:52:07 +00:00
Rafael Espindola 1779760cb4 Fix a regression from the previous commit. 
Template instantiation can set the canonical decl to used after subsequent
decls have been chained, so we have to check that too.

llvm-svn: 171088
 2012-12-26 04:38:44 +00:00
Craig Topper a2594dd5f0 Use an additional multiclass to merge the 128/256-bit SSE/AVX instruction definitions for PAND/POR/PXOR/PANDN 
llvm-svn: 171087
 2012-12-26 04:36:03 +00:00
Craig Topper 97730a0d6a Merge an AVX/SSE 256-bit and 128-bit multiclass. 
llvm-svn: 171086
 2012-12-26 03:56:47 +00:00
Craig Topper 8b59746390 Mark VANDNPD/VANDNPDS as not commutable. 
llvm-svn: 171085
 2012-12-26 03:48:10 +00:00
NAKAMURA Takumi 40aa3285f4 llvm/test/CodeGen/X86: FileCheck-ize two tests in r171083. 
llvm-svn: 171084
 2012-12-26 03:19:30 +00:00
NAKAMURA Takumi 334f685328 llvm/test/CodeGen/X86: Disable avx in two tests corresponding to r171082. 
llvm-svn: 171083
 2012-12-26 03:08:55 +00:00
Craig Topper 81d1e596bb Remove alignment from a bunch more VEX encoded operations in the folding tables. 
llvm-svn: 171082
 2012-12-26 02:44:47 +00:00
Craig Topper b2922164f0 Remove alignment from folding table for VMOVUPD as an unaligned instruction it shouldn't require alignment... 
llvm-svn: 171081
 2012-12-26 02:14:19 +00:00
Craig Topper d09a9af9b6 Remove alignment requirements from (V)EXTRACTPS. This instruction does 32-bit stores which aren't required to be aligned on SSE or AVX. 
llvm-svn: 171080
 2012-12-26 01:47:12 +00:00