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2012-12-28Add entry points to instsimplify for simplifying calls. The entry pointsChandler Carruth
are nice and decomposed so that we can simplify synthesized calls as easily as actually call instructions. The internal utility still has the same behavior, it just now operates on a more generic interface so that I can extend the set of call simplifications that instsimplify knows about. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171189 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-28Add proper support for -fsanitize-blacklist= flag for TSan and MSan. LLVM part.Alexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171183 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-28CostModel: initial checkin for code that estimates the cost of special shuffles.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171180 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-28wrap 80-col lines.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171179 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-28AVX: Move the ZEXT/ANYEXT DAGCo optimizations to the lowering of these ↵Nadav Rotem
optimizations. The old test cases still cover all of these lowering/optimizations. The single change that we have is that now anyext does not need to zero a register, because it does not use the exact code path as the zero_extend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171178 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Reverse the 'if' condition and reduce the indentation.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171172 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27Merge basic_sse12_fp_binop_p_int and basic_sse12_fp_binop_p_y_int multiclasses.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171171 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-27AVX/AVX2: Move the SEXT lowering code from a target specific DAGco to a ↵Nadav Rotem
lowering function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171170 91177308-0d34-0410-b5e6-96231b3b80d8
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
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