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* [Object][ELF] Range-based loop simplification.Simon Atanasyan2014-06-04
| | | | | | No functional changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210164 91177308-0d34-0410-b5e6-96231b3b80d8
* config.h: fix layering and don't duplicate definitionsAlp Toker2014-06-04
| | | | | | | | | | | Also correct the llvm-config.h header guard so it doesn't depend on 'CONFIG_H' which is commonly defined in external projects and caused trouble for embedders. In future llvm/Config/llvm-config.h will be installed, but not the private llvm/Config/config.h header. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210144 91177308-0d34-0410-b5e6-96231b3b80d8
* Calculate dead instructions when a live interval is created.Pete Cooper2014-06-03
| | | | | | | | | This gets us closer to being able to remove LiveVariables entirely which is where dead instructions are currently tagged as such. Reviewed by Jakob Olesen git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210132 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some redundant doc commentsAlp Toker2014-06-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210118 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement one operator== with another.Rafael Espindola2014-06-03
| | | | | | Thanks for David Blaikie for the suggestion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210107 91177308-0d34-0410-b5e6-96231b3b80d8
* Add operator== and operator!= to compare with nullptr.Rafael Espindola2014-06-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210100 91177308-0d34-0410-b5e6-96231b3b80d8
* Use an enum class.Rafael Espindola2014-06-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210078 91177308-0d34-0410-b5e6-96231b3b80d8
* Use an enum class.Rafael Espindola2014-06-03
| | | | | | Might also fix the windows build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210077 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the last unspecified_bool_type from llvm.Rafael Espindola2014-06-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210076 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this operator bool() explicit to match the standard library.Rafael Espindola2014-06-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210073 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this operator bool() explicit to match the standard library.Rafael Espindola2014-06-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210072 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow alias to point to an arbitrary ConstantExpr.Rafael Espindola2014-06-03
| | | | | | | | | | | | | | | | | | | | | This patch changes GlobalAlias to point to an arbitrary ConstantExpr and it is up to MC (or the system assembler) to decide if that expression is valid or not. This reduces our ability to diagnose invalid uses and how early we can spot them, but it also lets us do things like @test5 = alias inttoptr(i32 sub (i32 ptrtoint (i32* @test2 to i32), i32 ptrtoint (i32* @bar to i32)) to i32*) An important implication of this patch is that the notion of aliased global doesn't exist any more. The alias has to encode the information needed to access it in its metadata (linkage, visibility, type, etc). Another consequence to notice is that getSection has to return a "const char *". It could return a NullTerminatedStringRef if there was such a thing, but when that was proposed the decision was to just uses "const char*" for that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210062 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove sanitizer blacklist from ASan/TSan/MSan function passes.Alexey Samsonov2014-06-02
| | | | | | | | | | | | | | | | | | | Instrumentation passes now use attributes address_safety/thread_safety/memory_safety which are added by Clang frontend. Clang parses the blacklist file and adds the attributes accordingly. Currently blacklist is still used in ASan module pass to disable instrumentation for certain global variables. We should fix this as well by collecting the set of globals we're going to instrument in Clang and passing it to ASan in metadata (as we already do for dynamically-initialized globals and init-order checking). This change also removes -tsan-blacklist and -msan-blacklist LLVM commandline flags in favor of -fsanitize-blacklist= Clang flag. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210038 91177308-0d34-0410-b5e6-96231b3b80d8
* GraphWriter: detect graph viewer programs at runtimeAlp Toker2014-06-02
| | | | | | | | | | | | | | | | | | | | | | Replace the crufty build-time configure checks for program paths with equivalent runtime logic. This lets users install graphing tools as needed without having to reconfigure and rebuild LLVM, while eliminating a long chain of inappropriate compile dependencies that included GUI programs and the windowing system. Additional features: * Support the OS X 'open' command to view graphs generated by any of the Graphviz utilities. This is an alternative to the Graphviz OS X UI which is no longer available on Mountain Lion. * Produce informative log output upon failure to indicate which programs can be installed to view graphs. Ping me if this doesn't work for your particular environment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210001 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: add 6-parameter formatSaleem Abdulrasool2014-06-02
| | | | | | | | Since we cannot yet use variadic templates, add a specialisation for 6-parameters to format. This is motivated by a need for the additional parameter for formatting information for an unwind decoder for Windows on ARM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209999 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: add Windows ARM EH data structuresSaleem Abdulrasool2014-06-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | Introduce the support structures necessary to deal with the Windows ARM EH data. These definitions are extremely aggressive about assertions to aid future use for generation of the entries and subsequent decoding. The names for the various fields are meant to reflect the names used by the Visual Studio toolchain to aid communication. Due to the complexity in reading a few of the values, there are a couple of additional utility functions to decode the information. In general, there are two ways to encode the unwinding information: - packed, which places the data inline into the _IMAGE_ARM_RUNTIME_FUNCTION_ENTRY structure. - unpacked, which places the data into auxiliary structures placed into the .xdata section. The set of structures allow reading of data in either encoding, with the minor caveat that epilogue scopes need to be decoded manually by constructing the structure from the data returned by the RuntimeFunction structure. These definitions are meant for read-only access at the current point as the first use of them will be to decode the exception information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209998 91177308-0d34-0410-b5e6-96231b3b80d8
* ExecutionEngine: avoid NDEBUG in headersAlp Toker2014-05-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209981 91177308-0d34-0410-b5e6-96231b3b80d8
* [SelectionDAG] Force cycle detection in AssignTopologicalOrder before abortingAdam Nemet2014-05-31
| | | | | | | | | | | | | | | DAG cycle detection is only enabled with ENABLE_EXPENSIVE_CHECKS. However we can run it just before we would crash in order to provide more informative diagnostics. Now in addition to the "Overran sorted position" message we also get the Node printed if a cycle was detected. Tested by building several configs: Debug+Assert, Debug+Assert+Check (this is ENABLE_EXPENSIVE_CHECKS), Release+Assert and Release. Also tried that the AssignTopologicalOrder assert produces the expected results. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209977 91177308-0d34-0410-b5e6-96231b3b80d8
* [SelectionDAG] Pass DAG to checkForCyclesAdam Nemet2014-05-31
| | | | | | | | | Pass the DAG down to checkForCycles from all callers where we have it. This allows target-specific nodes to be printed properly. Also print some missing newlines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209976 91177308-0d34-0410-b5e6-96231b3b80d8
* [SelectionDAG] Remove duplicate declarationAdam Nemet2014-05-31
| | | | | | | Prefer the decl in SelectionDAGNodes.h because it's used there and SelectionDAG.h includes SelectionDAGNodes.h. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209975 91177308-0d34-0410-b5e6-96231b3b80d8
* [yaml2obj] Add new command line option `-docnum`.Simon Atanasyan2014-05-31
| | | | | | | | | | Input YAML file might contain multiple object file definitions. New option `-docnum` allows to specify an ordinal number (starting from 1) of definition used for an object file generation. Patch reviewed by Sean Silva. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209967 91177308-0d34-0410-b5e6-96231b3b80d8
* There is no std::errc::success, remove the llvm one.Rafael Espindola2014-05-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209960 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn errc and windows_error into enum classes.Rafael Espindola2014-05-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209957 91177308-0d34-0410-b5e6-96231b3b80d8
* Use error_code() instead of error_code::succes()Rafael Espindola2014-05-31
| | | | | | | There is no std::error_code::success, so this removes much of the noise in transitioning to std::error_code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209952 91177308-0d34-0410-b5e6-96231b3b80d8
* delete dead code.Rafael Espindola2014-05-31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209938 91177308-0d34-0410-b5e6-96231b3b80d8
* MachO: support N_INDR aliases in assembly files.Tim Northover2014-05-30
| | | | | | | | | This makes LLVM create N_INDR aliases (to be resolved by the linker) when appropriate. rdar://problem/15125513 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209894 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow vectorization of intrinsics such as powi,cttz and ctlz in Loop and SLP ↵Karthik Bhat2014-05-30
| | | | | | | | | | | Vectorizer. This patch adds support to vectorize intrinsics such as powi, cttz and ctlz in Vectorizer. These intrinsics are different from other intrinsics as second argument to these function must be same in order to vectorize them and it should be represented as a scalar. Review: http://reviews.llvm.org/D3851#inline-32769 and http://reviews.llvm.org/D3937#inline-32857 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209873 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a trivial ArrayRef helper overload to the SelectionDAG interface.Chandler Carruth2014-05-30
| | | | | | | I'm using this pretty frequently in a patch I'm working on and it seems generally useful. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209872 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Remove AVX1 vbroadcast intrinsicsAdam Nemet2014-05-29
| | | | | | | | | | | | | | | | | | | | | The corresponding CFE patch replaces these intrinsics with vector initializers in avxintrin.h. This patch removes the LLVM intrinsics from the backend. We now stop lowering at X86ISD::VBROADCAST custom node rather than lowering that further to the intrinsics. The patch only changes VBROADCASTS* and leaves VBROADCAST[FI]128 to continue to use intrinsics. As explained in the CFE patch, the reason is that we currently don't generate as good code for them without the intrinsics. CodeGen/X86/avx-vbroadcast.ll already provides coverage for this change. It checks that for a series of insertelements we generate the appropriate vbroadcast instruction. Also verified that there was no assembly change in the test-suite before and after this patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209864 91177308-0d34-0410-b5e6-96231b3b80d8
* [ADT] Delete the Twine assignment operatorReid Kleckner2014-05-29
| | | | | | | | | This makes it slightly harder to misuse Twines. It is still possible to refer to destroyed temporaries with the regular constructors, though. Patch by Marco Alesiani! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209832 91177308-0d34-0410-b5e6-96231b3b80d8
* [elf2yaml][ELF] Move Info field to the RelocationSection structure. ThisSimon Atanasyan2014-05-29
| | | | | | | field represents ELF section header sh_info field and does not have any sense for regular sections. Its interpretation depends on section type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209801 91177308-0d34-0410-b5e6-96231b3b80d8
* [LoadCombine] Missed a file.Michael J. Spencer2014-05-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209792 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LoadCombine pass.Michael J. Spencer2014-05-29
| | | | | | | | This pass is disabled by default. Use -combine-loads to enable in -O[1-3] Differential revision: http://reviews.llvm.org/D3580 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209791 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a simple helper function to create a 64-bit integer.Reid Kleckner2014-05-28
| | | | | | | | | | | | Add a function to combine two 32-bit integers into a 64-bit integer. There are no calls to this function yet, although a subsequent change will add some in LLDB. Reviewers: rnk Differential Revision: http://reviews.llvm.org/D3941 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209777 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix standard integer definitions for MSVC in DataTypes.hReid Kleckner2014-05-28
| | | | | | | | | | | | | | | | | | | | | Previously, DataTypes.h would #define a variety of symbols any time they weren't already defined. However, some versions of Visual Studio do provide the appropriate headers, so if those headers are included after DataTypes.h, it can lead to macro redefinition warnings. The fix is to include the appropriate headers if they exist, and only #define the symbols if the required header does not exist. Patch by Zachary Turner! --- The big change here is that we no longer have our own stdint.h typedefs because now all supported toolchains have stdint.h. Hooray! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209760 91177308-0d34-0410-b5e6-96231b3b80d8
* [pr19844] Add thread local mode to aliases.Rafael Espindola2014-05-28
| | | | | | | | | | This matches gcc's behavior. It also seems natural given that aliases contain other properties that govern how it is accessed (linkage, visibility, dll storage). Clang still has to be updated to expose this feature to C. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209759 91177308-0d34-0410-b5e6-96231b3b80d8
* remove BasePointer before delinearizingSebastian Pop2014-05-27
| | | | | | | | | | No functional change is intended: instead of relying on the delinearization to come up with the base pointer as a remainder of the divisions in the delinearization, we just compute it from the array access and use that value. We substract the base pointer from the SCEV to be delinearized and that simplifies the work of the delinearizer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209692 91177308-0d34-0410-b5e6-96231b3b80d8
* remove constant termsSebastian Pop2014-05-27
| | | | | | | | | | | | | | | | | | | | | | The delinearization is needed only to remove the non linearity induced by expressions involving multiplications of parameters and induction variables. There is no problem in dealing with constant times parameters, or constant times an induction variable. For this reason, the current patch discards all constant terms and multipliers before running the delinearization algorithm on the terms. The only thing remaining in the term expressions are parameters and multiply expressions of parameters: these simplified term expressions are passed to the array shape recognizer that will not recognize constant dimensions anymore: these will be recognized as different strides in parametric subscripts. The only important special case of a constant dimension is the size of elements. Instead of relying on the delinearization to infer the size of an element, compute the element size from the base address type. This is a much more precise way of computing the element size than before, as we would have mixed together the size of an element with the strides of the innermost dimension. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209691 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips][mips64r6] Add Relocations R_MIPS_PCHI16, R_MIPS_PCLO16 Zoran Jovanovic2014-05-27
| | | | | | | Differential Revision: http://reviews.llvm.org/D3860 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209659 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARM] Emit correct build attributes for the relocation models.Amara Emerson2014-05-27
| | | | | | | Patch by Asiri Rathnayake. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209656 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the LoopRotate pass's maximum header size configurable both ↵Owen Anderson2014-05-26
| | | | | | | | | | | programmatically and via the command line, mirroring similar functionality in LoopUnroll. In situations where clients used custom unrolling thresholds, their intent could previously be foiled by LoopRotate having a hardcoded threshold. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209617 91177308-0d34-0410-b5e6-96231b3b80d8
* Reformat linefeeds.NAKAMURA Takumi2014-05-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209609 91177308-0d34-0410-b5e6-96231b3b80d8
* Trailing whitespace.NAKAMURA Takumi2014-05-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209608 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an extension point for peephole optimizers.Peter Collingbourne2014-05-25
| | | | | | | | | | This extension point allows adding passes that perform peephole optimizations similar to the instruction combiner. These passes will be inserted after each instance of the instruction combiner pass. Differential Revision: http://reviews.llvm.org/D3905 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209595 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some misplaced spaces around 'override'Hans Wennborg2014-05-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209589 91177308-0d34-0410-b5e6-96231b3b80d8
* CodeGen: Make MachineBasicBlock::back skip to the beginning of the last bundle.Benjamin Kramer2014-05-24
| | | | | | | | | | | | This makes front/back symmetric with begin/end, avoiding some confusion. Added instr_front/instr_back for the old behavior, corresponding to instr_begin/instr_end. Audited all three in-tree users of back(), all of them look like they don't want to look inside bundles. Fixes an assertion (PR19815) when generating debug info on mips, where a delay slot was bundled at the end of a branch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209580 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64/ARM64: move ARM64 into AArch64's placeTim Northover2014-05-24
| | | | | | | | | | | | | | | This commit starts with a "git mv ARM64 AArch64" and continues out from there, renaming the C++ classes, intrinsics, and other target-local objects for consistency. "ARM64" test directories are also moved, and tests that began their life in ARM64 use an arm64 triple, those from AArch64 use an aarch64 triple. Both should be equivalent though. This finishes the AArch64 merge, and everyone should feel free to continue committing as normal now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209577 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64/ARM64: remove AArch64 from tree prior to renaming ARM64.Tim Northover2014-05-24
| | | | | | | | | | | | | | | | I'm doing this in two phases for a better "git blame" record. This commit removes the previous AArch64 backend and redirects all functionality to ARM64. It also deduplicates test-lines and removes orphaned AArch64 tests. The next step will be "git mv ARM64 AArch64" and rewire most of the tests. Hopefully LLVM is still functional, though it would be even better if no-one ever had to care because the rename happens straight afterwards. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209576 91177308-0d34-0410-b5e6-96231b3b80d8
* [YAML] Add an optional argument `EnumMask` to the `yaml::IO::bitSetCase()`.Simon Atanasyan2014-05-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some bit-set fields used in ELF file headers in fact contain two parts. The first one is a regular bit-field. The second one is an enumeraion. For example ELF header `e_flags` for MIPS target might contain the following values: Bit-set values: EF_MIPS_NOREORDER = 0x00000001 EF_MIPS_PIC = 0x00000002 EF_MIPS_CPIC = 0x00000004 EF_MIPS_ABI2 = 0x00000020 Enumeration: EF_MIPS_ARCH_32 = 0x50000000 EF_MIPS_ARCH_64 = 0x60000000 EF_MIPS_ARCH_32R2 = 0x70000000 EF_MIPS_ARCH_64R2 = 0x80000000 For printing bit-sets we use the `yaml::IO::bitSetCase()`. It does not support bit-set/enumeration combinations and prints too many flags from an enumeration part. This patch fixes this problem. New method `yaml::IO::maskedBitSetCase()` handle "enumeration" part of bitset defined by provided mask. Patch reviewed by Nick Kledzik and Sean Silva. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209504 91177308-0d34-0410-b5e6-96231b3b80d8
* Typedef NumeredTypesMapTy is not used anywhere.Yaron Keren2014-05-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209502 91177308-0d34-0410-b5e6-96231b3b80d8
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