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* AsmParser: Simplify code with ArrayRef.Benjamin Kramer2014-02-09
| | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201055 91177308-0d34-0410-b5e6-96231b3b80d8
* AsmParser: Parse (and ignore) nested .macro definitions.Benjamin Kramer2014-02-09
| | | | | | | | | This enables a slightly odd feature of gas. The macro is defined when the outermost macro is instantiated. PR18599 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201045 91177308-0d34-0410-b5e6-96231b3b80d8
* Use a consistent argument order in TargetLoweringObjectFile.Rafael Espindola2014-02-09
| | | | | | | | | These methods normally call each other and it is really annoying if the arguments are in different order. The more common rule was that the arguments specific to call are first (GV, Encoding, Suffix) and the auxiliary objects (Mang, TM) come after. This patch changes the exceptions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201044 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix formatting introduced in r200941David Blaikie2014-02-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201043 91177308-0d34-0410-b5e6-96231b3b80d8
* LoopVectorizer: Keep track of conditional store basic blocksArnold Schwaighofer2014-02-08
| | | | | | | | | | | | | Before conditional store vectorization/unrolling we had only one vectorized/unrolled basic block. After adding support for conditional store vectorization this will not only be one block but multiple basic blocks. The last block would have the back-edge. I updated the code to use a vector of basic blocks instead of a single basic block and fixed the users to use the last entry in this vector. But, I forgot to add the basic blocks to this vector! Fixes PR18724. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201028 91177308-0d34-0410-b5e6-96231b3b80d8
* Pass the Mangler by reference.Rafael Espindola2014-02-08
| | | | | | | It is never null and it is not used in casts, so there is no reason to use a pointer. This matches how we pass TM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201025 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LLVM_OVERRIDE to a few declarations.Rafael Espindola2014-02-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201022 91177308-0d34-0410-b5e6-96231b3b80d8
* [Constant Hoisting] Fix insertion point for constant materialization.Juergen Ributzka2014-02-08
| | | | | | | | | | The bitcast instruction during constant materialization was not placed correcly in the presence of phi nodes. This commit fixes the insertion point to be in the idom instead. This fixes PR18768 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201009 91177308-0d34-0410-b5e6-96231b3b80d8
* [Constant Hoisting] Don't update the use list while traversing it - DOH!Juergen Ributzka2014-02-08
| | | | | | | | This fix first traverses the whole use list of the constant expression and keeps track of the instructions that need to be updated. Then perform the fixup afterwards. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201008 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead code.Rafael Espindola2014-02-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201006 91177308-0d34-0410-b5e6-96231b3b80d8
* Always create a temporary symbol to use with the cfi frame.Rafael Espindola2014-02-07
| | | | | | | This is a small simplification and a small step in fixing pr18743 since private functions on MachO should be using a 'l' prefix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200994 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove -arm-disable-ehabi optionRenato Golin2014-02-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200988 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't internalize linkonce_odr non constant variables.Rafael Espindola2014-02-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200983 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an invalid check for duplicate option categories.Alexander Kornienko2014-02-07
| | | | | | | | An intermediate solution until the problems with analyzer plugins linking with llvm/Support and causing assertions due to duplicate GeneralCategory are solved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200981 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Forbid the use of registers t6, t7 and t8 if the target is NaCl.Sasa Stankovic2014-02-07
| | | | | | | | Differential Revision: http://llvm-reviews.chandlerc.com/D2694 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200978 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug with .weak_def_can_be_hidden: Mutable variables cannot use it.Rafael Espindola2014-02-07
| | | | | | Thanks to John McCall for noticing it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200977 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor logic into a function predicate.Rafael Espindola2014-02-07
| | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200976 91177308-0d34-0410-b5e6-96231b3b80d8
* Try to unbreak the mingw32 build.Benjamin Kramer2014-02-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200973 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVM-1163: AAPCS-VFP violation when CPRC allocated to stackOliver Stannard2014-02-07
| | | | | | | | | | | | | | According to the AAPCS, when a CPRC is allocated to the stack, all other VFP registers should be marked as unavailable. I have also modified the rules for allocating non-CPRCs to the stack, to make it more explicit that all GPRs must be made unavailable. I cannot think of a case where the old version would produce incorrect answers, so there is no test for this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200970 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Add support for parsing synthetic instruction 'mov'. Venkatraman Govindaraju2014-02-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200965 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Emit correct encoding for atomic instructions. Also, add support for ↵Venkatraman Govindaraju2014-02-07
| | | | | | parsing CAS instructions to test the CAS encoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200963 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Emit relocations for Thread Local Storage (TLS) when integrated ↵Venkatraman Govindaraju2014-02-07
| | | | | | assembler is used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200962 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Emit correct relocations for PIC code when integrated assembler is used.Venkatraman Govindaraju2014-02-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200961 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Use SparcMCExpr::VariantKind itself as MachineOperand's target flags.Venkatraman Govindaraju2014-02-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200960 91177308-0d34-0410-b5e6-96231b3b80d8
* PGO branch weight: fix PR18752.Manman Ren2014-02-07
| | | | | | | | Fix a bug triggered in IfConverterTriangle when CvtBB has multiple predecessors by getting the weights before removing a successor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200958 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: Resolve a long standing FIXME and properly isel pextr[bw].Jim Grosbach2014-02-07
| | | | | | | | | | | | | | | | | Generalize the AArch64 .td nodes for AssertZext and AssertSext. Use them to match the relevant pextr store instructions. The test widen_load-2.ll requires a slight change because with the stores gone, the remaining instructions are scheduled in a different order. Add test cases for SSE4 and AVX variants. Resolves rdar://13414672. Patch by Adam Nemet <anemet@apple.com>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200957 91177308-0d34-0410-b5e6-96231b3b80d8
* [CodeGenPrepare] Move away sign extensions that get in the way of addressingQuentin Colombet2014-02-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | mode. Basically the idea is to transform code like this: %idx = add nsw i32 %a, 1 %sextidx = sext i32 %idx to i64 %gep = gep i8* %myArray, i64 %sextidx load i8* %gep Into: %sexta = sext i32 %a to i64 %idx = add nsw i64 %sexta, 1 %gep = gep i8* %myArray, i64 %idx load i8* %gep That way the computation can be folded into the addressing mode. This transformation is done as part of the addressing mode matcher. If the matching fails (not profitable, addressing mode not legal, etc.), the matcher will revert the related promotions. <rdar://problem/15519855> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200947 91177308-0d34-0410-b5e6-96231b3b80d8
* Track register pressure a bit more carefully (weird corner case).Andrew Trick2014-02-06
| | | | | | | | | | | | | | | | This solves a problem where a def machine operand has no uses but has not been marked dead. In this case, the initial RP analysis was being extra precise and determining from LiveIntervals the the register was actually dead. This caused us to omit the register from the RP tracker's block live out. That's all good, but the per-instruction summary still accounted for it as a valid def. This could cause an assertion in the tracker later when we underflow pressure. This is from a bug report on an out-of-tree target. It is not reproducible on well-behaved targets. I'm just making an obvious fix without unit test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200941 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r200095 and r200152. It turns out when compiling with -arch armv7 ↵Evan Cheng2014-02-06
| | | | | | -mcpu=cortex-m3, the triple would still set iOS as the OS so the hack is still needed. rdar://15984891 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200937 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Add a MUBUF store pattern for Reg+Imm offsetsTom Stellard2014-02-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200935 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Add a MUBUF store pattern for Imm offsetsTom Stellard2014-02-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200934 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Add a MUBUF load pattern for Reg+Imm offsetsTom Stellard2014-02-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200933 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Use immediates offsets for SMRD instructions whenever possibleTom Stellard2014-02-06
| | | | | | | | There was a problem with the old pattern, so we were copying some larger immediates into registers when we could have been encoding them in the instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200932 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove const_cast for STI when parsing inline asmDavid Peixotto2014-02-06
| | | | | | | | | | | | | | | | | | | | | | In a previous commit (r199818) we added a const_cast to an existing subtarget info instead of creating a new one so that we could reuse it when creating the TargetAsmParser for parsing inline assembly. This cast was necessary because we needed to reuse the existing STI to avoid generating incorrect code when the inline asm contained mode-switching directives (e.g. .code 16). The root cause of the failure was that there was an implicit sharing of the STI between the parser and the MCCodeEmitter. To fix a different but related issue, we now explicitly pass the STI to the MCCodeEmitter (see commits r200345-r200351). The const_cast is no longer necessary and we can now create a fresh STI for the inline asm parser to use. Differential Revision: http://llvm-reviews.chandlerc.com/D2709 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200929 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: add costs for 64-bit vector ext/trunc & rebalanceTim Northover2014-02-06
| | | | | | | | | | | | | | | | | | | | The most important part of this is probably adding any cost at all for operations like zext <8 x i8> to <8 x i32>. Before they were being recorded as extremely costly (24, I believe) which made LLVM fall back on a 4-wide vectorisation of a loop. It also rebalances the values for sext, zext and trunc. Lacking any other sane metric that might work across CPU microarchitectures I went for instructions. This seems to be in reasonable accord with the rest of the table (sitofp, ...) though no doubt at least one value is sub-optimal for some bizarre reason. Finally, separate AVX and AVX2 values are provided where appropriate. The CodeGen is quite different in many cases. rdar://problem/15981990 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200928 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a -suppress-warnings option to bitcode linking.Eli Bendersky2014-02-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200927 91177308-0d34-0410-b5e6-96231b3b80d8
* Yet another patch to reduce compile time for small programs:Puyan Lotfi2014-02-06
| | | | | | | | | | | | | | | | | | | | | | | The aim in this patch is to reduce work that VirtRegRewriter needs to do when telling MachineRegisterInfo which physregs are in use. Up until now VirtRegRewriter::rewrite has been doing rewriting and populating def info and then proceeding to set whether a physreg is used based this info for every physreg that the target provides. This can be expensive when a target has an unusually high number of supported physregs, and is a noticeable chunk of compile time for small programs on such targets. So to reduce compile time, this patch simply adds the use of a SparseSet to the rewrite function that is used to flag each physreg that is encountered in a MachineFunction. Afterward, rather than iterating over the set of all physregs for a given target to set the physregs used in MachineRegisterInfo, the new way is to iterate over the set of physregs that were actually encountered and set in the SparseSet. This improves compile time because the existing rewrite function was iterating over all MachineOperands already, and because the iterations afterward to setPhysRegUsed is reduced by use of the SparseSet data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200919 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: deduplicate V[SZ]EXT_MOVL and V[SZ]EXT nodesTim Northover2014-02-06
| | | | | | | | | | | | | | | | | | | | | | I believe VZEXT_MOVL means "zero all vector elements except the first" (and should have identical input & output types) whereas VZEXT means "zero extend each element of a vector (discarding higher elements if necessary)". For example: (v4i32 (vzext (v16i8 ...))) should zero extend the low 4 bytes of the incoming vector to 32-bits, discarding higher bytes. However, somewhere in the past, these two concepts had become confused, even leading to a nonsensical VSEXT_MOVL. This re-merges the nodes where appropriate (all VSEXT_MOVL -> VSEXT, VZEXT_MOVL -> VZEXT when it's an actual extension). rdar://problem/15981990 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200918 91177308-0d34-0410-b5e6-96231b3b80d8
* The following patch' purpose is to reduce compile time for compilation of smallPuyan Lotfi2014-02-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | programs on targets with large register files. The root of the compile time overhead was in the use of llvm::SmallVector to hold PhysRegEntries, which resulted in slow-down from calling llvm::SmallVector::assign(N, 0). In contrast std::vector uses the faster __platform_bzero to zero out primitive buffers when assign is called, while SmallVector uses an iterator. The fix for this was simply to replace the SmallVector with a dynamically allocated buffer and to initialize or reinitialize the buffer based on the total registers that the target architecture requires. The changes support cases where a pass manager may be reused for different targets, and note that the PhysRegEntries is allocated using calloc mainly for good for, and also to quite tools like Valgrind (see comments for more info on this). There is an rdar to track the fact that SmallVector doesn't have platform specific speedup optimizations inside of it for things like this, and I'll create a bugzilla entry at some point soon as well. TL;DR: This fix replaces the expensive llvm::SmallVector<unsigned char>::assign(N, 0) with a call to calloc for N bytes which is much faster because SmallVector's assign uses iterators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200917 91177308-0d34-0410-b5e6-96231b3b80d8
* This small change reduces compile time for small programs on targets that havePuyan Lotfi2014-02-06
| | | | | | | | | | | | | large register files. The omission of Queries.clear() is perfectly safe because LiveIntervalUnion::Query doesn't contain any data that needs freeing and because LiveRegMatrix::runOnFunction happens to reset the OwningArrayPtr holding Queries every time it is run, so there's no need to zero out the queries either. Not having to do this for very large numbers of physregs is a noticeable constant cost reduction in compilation of small programs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200913 91177308-0d34-0410-b5e6-96231b3b80d8
* A memcpy out of an fresh alloca is a no-op, delete it. Patch by Patrick Walton!Nick Lewycky2014-02-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200907 91177308-0d34-0410-b5e6-96231b3b80d8
* [PM] Fix horrible typos that somehow didn't cause a failure in a C++11Chandler Carruth2014-02-06
| | | | | | | | | | | | build but spectacularly changed behavior of the C++98 build. =] This shows my one problem with not having unittests -- basic API expectations aren't well exercised by the integration tests because they *happen* to not come up, even though they might later. I'll probably add a basic unittest to complement the integration testing later, but I wanted to revive the bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200905 91177308-0d34-0410-b5e6-96231b3b80d8
* [PM] Add a new "lazy" call graph analysis pass for the new pass manager.Chandler Carruth2014-02-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The primary motivation for this pass is to separate the call graph analysis used by the new pass manager's CGSCC pass management from the existing call graph analysis pass. That analysis pass is (somewhat unfortunately) over-constrained by the existing CallGraphSCCPassManager requirements. Those requirements make it *really* hard to cleanly layer the needed functionality for the new pass manager on top of the existing analysis. However, there are also a bunch of things that the pass manager would specifically benefit from doing differently from the existing call graph analysis, and this new implementation tries to address several of them: - Be lazy about scanning function definitions. The existing pass eagerly scans the entire module to build the initial graph. This new pass is significantly more lazy, and I plan to push this even further to maximize locality during CGSCC walks. - Don't use a single synthetic node to partition functions with an indirect call from functions whose address is taken. This node creates a huge choke-point which would preclude good parallelization across the fanout of the SCC graph when we got to the point of looking at such changes to LLVM. - Use a memory dense and lightweight representation of the call graph rather than value handles and tracking call instructions. This will require explicit update calls instead of some updates working transparently, but should end up being significantly more efficient. The explicit update calls ended up being needed in many cases for the existing call graph so we don't really lose anything. - Doesn't explicitly model SCCs and thus doesn't provide an "identity" for an SCC which is stable across updates. This is essential for the new pass manager to work correctly. - Only form the graph necessary for traversing all of the functions in an SCC friendly order. This is a much simpler graph structure and should be more memory dense. It does limit the ways in which it is appropriate to use this analysis. I wish I had a better name than "call graph". I've commented extensively this aspect. This is still very much a WIP, in fact it is really just the initial bits. But it is about the fourth version of the initial bits that I've implemented with each of the others running into really frustrating problms. This looks like it will actually work and I'd like to split the actual complexity across commits for the sake of my reviewers. =] The rest of the implementation along with lots of wiring will follow somewhat more rapidly now that there is a good path forward. Naturally, this doesn't impact any of the existing optimizer. This code is specific to the new pass manager. A bunch of thanks are deserved for the various folks that have helped with the design of this, especially Nick Lewycky who actually sat with me to go through the fundamentals of the final version here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200903 91177308-0d34-0410-b5e6-96231b3b80d8
* [DAG] Don't pull the binary operation though the shift if the operands have ↵Juergen Ributzka2014-02-06
| | | | | | | | | | | | opaque constants. During DAGCombine visitShiftByConstant assumes that certain binary operations with only constant operands can always be folded successfully. This is no longer true when the constant is opaque. This commit fixes visitShiftByConstant by not performing the optimization for opaque constants. Otherwise we would end up in an infinite DAGCombine loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200900 91177308-0d34-0410-b5e6-96231b3b80d8
* Set default of inlinecold-threshold to 225.Manman Ren2014-02-06
| | | | | | | | | | | | | | | | | | | | | | | | | 225 is the default value of inline-threshold. This change will make sure we have the same inlining behavior as prior to r200886. As Chandler points out, even though we don't have code in our testing suite that uses cold attribute, there are larger applications that do use cold attribute. r200886 + this commit intend to keep the same behavior as prior to r200886. We can later on tune the inlinecold-threshold. The main purpose of r200886 is to help performance of instrumentation based PGO before we actually hook up inliner with analysis passes such as BPI and BFI. For instrumentation based PGO, we try to increase inlining of hot functions and reduce inlining of cold functions by setting inlinecold-threshold. Another option suggested by Chandler is to use a boolean flag that controls if we should use OptSizeThreshold for cold functions. The default value of the boolean flag should not change the current behavior. But it gives us less freedom in controlling inlining of cold functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200898 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the X86 assembler for .intel_syntax to acceptKevin Enderby2014-02-06
| | | | | | | | | the << and >> bitwise operators. rdar://15975725 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200896 91177308-0d34-0410-b5e6-96231b3b80d8
* don't set HasReliableSymbolDifference for ELF.Rafael Espindola2014-02-06
| | | | | | | It is only used in MachObjectWriter.cpp. Another leftover from early days of ELF in MC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200895 91177308-0d34-0410-b5e6-96231b3b80d8
* doesSectionRequireSymbols is meaningless on ELF, remove.Rafael Espindola2014-02-06
| | | | | | | | | | | | | | | | | | | | This is a nop. doesSectionRequireSymbols is only used from isSymbolLinkerVisible. isSymbolLinkerVisible only use from ELF was in if (!Asm.isSymbolLinkerVisible(Symbol) && !Symbol.isUndefined()) return false; if (Symbol.isTemporary()) return false; If the symbol is a temporary this code returns false and it is irrelevant if we take the first if or not. If the symbol is not a temporary, Asm.isSymbolLinkerVisible returns true without ever calling doesSectionRequireSymbols. This was an horrible leftover from when support for ELF was first added. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200894 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable most IR-level transform passes on functions marked 'optnone'.Paul Robinson2014-02-06
| | | | | | | | | | Ideally only those transform passes that run at -O0 remain enabled, in reality we get as close as we reasonably can. Passes are responsible for disabling themselves, it's not the job of the pass manager to do it for them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200892 91177308-0d34-0410-b5e6-96231b3b80d8
* Just returning false is the default.Rafael Espindola2014-02-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200890 91177308-0d34-0410-b5e6-96231b3b80d8