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2012-12-27Merge basic_sse12_fp_binop_p and basic_sse12_fp_binop_p_y multiclasses.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171166 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Add support to BasicBlocks for iterating backwards over theChandler Carruth
instructions. This just exposes the already present reverse iterators of the instruction ilist. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171159 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Provide a common half-open interval map info implementation, and justChandler Carruth
re-use that for SlotIndexes. This way other users who want half-open semantics can share the implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171158 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Make this parameter be named consistently with most otherChandler Carruth
getAnalysisUsage implementations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171157 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27docs: Add FAQ about "storing to a virtual register".Sean Silva
This came up for the N+1'st time today in IRC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171155 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27docs: Move link to the new "external tutorials" area.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171154 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27[ASan] Fix lifetime intrinsics handling. Now for each intrinsic we check if ↵Alexey Samsonov
it describes one of 'interesting' allocas. Assume that allocas can go through casts and phi-nodes before apperaring as llvm.lifetime arguments git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171153 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27DAGCombinerInformation: add a getter that exposes the dagcombine level.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171152 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Fix new[]/delete mismatch in FullDependence spotted by AddressSanitizerAlexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171150 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27docs: Update the benchmark with updated perf numbers.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171149 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27On AVX/AVX2 the type v8i1 is legalized to v8i16, which is an XMM sizedNadav Rotem
register. In most cases we actually compare or select YMM-sized registers and mixing the two types creates horrible code. This commit optimizes some of the transition sequences. PR14657. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171148 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27AVX/AVX2: Move the code that lowers vector-trunc from a DAGCo-hook to custom ↵Nadav Rotem
lowering hook. The vector truncs were scalarized during LegalizeVectorOps, later vectorized again by some DAGCombine optimization and finally, lowered by a dagcombing optimization. Now, they are properly lowered during LegalizeVectorOps. No new testcase because the original testcases still work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171146 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Add hasSideEffects=0 to some forms of ROUND, RCP, and RSQRT.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171143 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Refactor DAGCombinerInfo. Change the different booleans that indicate if we ↵Nadav Rotem
are before or after different runs of DAGCo, with the CombineLevel enum. Also, added a new API for checking if we are running before or after the LegalizeVectorOps phase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171142 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Move single letter 'P' prefix out of multiclass now that tablegen allows ↵Craig Topper
defm to start with #NAME. This makes instruction names more searchable again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171141 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Update tablegen parser to allow defm names to start with #NAME.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171140 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Add hasSideEffects=0 to some shift and rotate instructions. None of which ↵Craig Topper
are currently used by code generation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171137 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Mark the divide instructions as hasSideEffects=0.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171136 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27For the dwarf5 split debug info code split out the string sectionEric Christopher
per compile unit/skeleton compile unit. Update tests accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171133 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27FileCheck-ize.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171132 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27FileCheck-ize.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171131 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Add hasSideEffects=0 to CMP*rr_REV.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171130 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27whitespaceNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171129 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Add mayLoad, mayStore, and hasSideEffects tags to BT/BTS/BTR/BTC ↵Craig Topper
instructions. Shouldn't change any functionality since they don't have patterns to select them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171128 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Right now all of the relocations are 32-bit dwarf, and the relocationEric Christopher
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171126 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26If all of the write objects are identified then we can vectorize the loop ↵Nadav Rotem
even if the read objects are unidentified. PR14719. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171124 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Fix operands and encoding form for ARPL instruction. Register form had and ↵Craig Topper
reversed. Memory form writes memory, but was marked as MRMSrcMem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171123 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Add hasSideEffects=0 to some atomic instructions.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171122 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Mark the AL/AX/EAX forms of the basic arithmetic operations has never having ↵Craig Topper
side effects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171121 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-2680 columns. No functionality change.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171120 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Remove mid-optimizer warning. This situation should be handled differently,Nick Lewycky
such as by a compiler warning, a check in clang -fsanitizer=undefined, being optimized to unreachable, or a combination of the above. PR14722. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171119 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Mark all the _REV instructions as not having side effects. They aren't ↵Craig Topper
really emitted by the backend, but it reduces the number of instructions in the output files with unmodelled side effects to make auditing easier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171118 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Remove a special conditional setting of neverHasSideEffects if the ↵Craig Topper
instruction didn't have a pattern. This was leftover from when tablegen used to complain if things were already inferred from patterns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171117 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Update the docs with the new workload that was added.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171115 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26LoopVectorizer: Optimize the vectorization of consecutive memory access when ↵Nadav Rotem
the iteration step is -1 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171114 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Fix comment typoEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171113 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26[msan] Raise alignment of origin stores/loads when possible.Evgeniy Stepanov
Origin alignment is as high as the alignment of the corresponding application location, but never less than 4. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171110 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26[msan] Expand the file comment with track-origins info.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171109 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Fix quoting in configure. Patch by Krzysztof Parzyszek!Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171108 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Merge still more SSE/AVX instruction definitions.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171103 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Merge more SSE/AVX instruction definitions.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171102 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26TableGen/FixedLenDecoderEmitter.cpp: Fix a potential mask overflow in ↵NAKAMURA Takumi
fieldFromInstruction(). Reported by Yang Yongyong, thanks! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171101 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26revert an accidental commit.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171098 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Fix 80 column violation.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171097 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Fix class name in comment.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171096 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Merge SSE/AVX PCMPEQ/PCMPGT instruction definitions.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171095 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Doc: add fmuladd to the list of vectorizeable functions. Thanks hfinkel.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171094 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Remove 'v' from mnemonic to fix asm matching failures.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171093 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Use an additional multiclass to merge the 128/256-bit SSE/AVX instruction ↵Craig Topper
definitions for a bunch of SSE2 integer arithmetic instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171092 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-26Reformat the docs.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171091 91177308-0d34-0410-b5e6-96231b3b80d8
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