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* Have TargetSelectionDAGInfo take a DataLayout initializer rather thanEric Christopher2014-06-06
| | | | | | a TargetMachine since the only thing it wants is DataLayout. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210366 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r210298 'Correctly set the comdat symbol on COFF' as it asserts on ↵Timur Iskhodzhanov2014-06-06
| | | | | | Windows git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210317 91177308-0d34-0410-b5e6-96231b3b80d8
* [yaml2obj][obj2yaml] Support ELF symbol's visibility flags ↵Simon Atanasyan2014-06-06
| | | | | | (default/hidden/protected). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210316 91177308-0d34-0410-b5e6-96231b3b80d8
* config.h: remove clang-specific macro definitionsAlp Toker2014-06-06
| | | | | | These had no business in LLVM core. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210307 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly set the comdat symbol on COFF.Rafael Espindola2014-06-05
| | | | | | | | | | | | | | | | | | | | | We extended the .section syntax to allow multiple sections with the same name but different comdats, but currently we don't make sure that the output section has that comdat symbol. That happens to work with the code llc produces currently because it looks like .section secName, "dr", one_only, "COMDATSym" .globl COMDATSym COMDATSym: .... but that is not very friendly to anyone coding in assembly or even to llc once we get comdat support in the IR. This patch changes the coff object writer to make sure the comdat symbol is output just after the section symbol, as required by the coff spec. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210298 91177308-0d34-0410-b5e6-96231b3b80d8
* Add "-format darwin" to llvm-nm to be like darwin's nm(1) -m output.Kevin Enderby2014-06-05
| | | | | | | | | | | | | | | | This is a first step in seeing if it is possible to make llvm-nm produce the same output as darwin's nm(1). Darwin's default format is bsd but its -m output prints the longer Mach-O specific details. For now I added the "-format darwin" to do this (whos name may need to change in the future). As there are other Mach-O specific flags to nm(1) which I'm hoping to add some how in the future. But I wanted to see if I could get the correct output for -m flag using llvm-nm and the libObject interfaces. I got this working but would love to hear what others think about this approach to getting object/format specific details printed with llvm-nm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210285 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new attribute called 'jumptable' that creates jump-instruction tables ↵Tom Roeder2014-06-05
| | | | | | | | | | | | | for functions marked with this attribute. It includes a pass that rewrites all indirect calls to jumptable functions to pass through these tables. This also adds backend support for generating the jump-instruction tables on ARM and X86. Note that since the jumptable attribute creates a second function pointer for a function, any function marked with jumptable must also be marked with unnamed_addr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210280 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing const specifier to a const method.Evgeniy Stepanov2014-06-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210265 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Reapply r209984 (reverted in r210143), asserting that abstract ↵David Blaikie2014-06-04
| | | | | | | | | | | | | | | | | DbgVariables have DIEs. Abstract variables within abstract scopes that are entirely optimized away in their first inlining are omitted because their scope is not present so the variable is never created. Instead, we should ensure the scope is created so the variable can be added, even if it's been optimized away in its first inlining. This fixes the incorrect debug info in missing-abstract-variable.ll (added in r210143) and passes an asserts self-hosting build, so hopefully there's not more of these issues left behind... *fingers crossed*. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210221 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a Constant version of stripPointerCasts.Rafael Espindola2014-06-04
| | | | | | Thanks to rnk for the suggestion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210205 91177308-0d34-0410-b5e6-96231b3b80d8
* Clauses in a landingpad are always Constant. Use a stricter type.Rafael Espindola2014-06-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210203 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: style/documentation cleanup for formatSaleem Abdulrasool2014-06-04
| | | | | | | | | | | | | | | | This is purely a documentation/whitespace cleanup for the format support functions. The current style does not duplicate the function/class names in the documentation; conform to this style. Additionally, there was a large amount of duplication of comments that added no real value. Use block comments for the related sets of functions which are used for type deduction and parameter container classes. No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210190 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: add additional comment for ARM EH structureSaleem Abdulrasool2014-06-04
| | | | | | | | | | Replicate the fact that ARM::WinEH::RuntimeFunction purposefully does not merge functions to accommodate raw data access use cases in tools such as readobj. Pointed out by Renato during post-commit review. No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210189 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a subtarget hook: enablePostMachineScheduler.Andrew Trick2014-06-04
| | | | | | | | | | | | | | | As requested by AArch64 subtargets. Note that this will have no effect until the AArch64 target actually enables the pass like this: substitutePass(&PostRASchedulerID, &PostMachineSchedulerID); As soon as armv7 switches over, PostMachineScheduler will become the default postRA scheduler, so this won't be necessary any more. Targets using the old postRA schedule would then do: substitutePass(&PostMachineSchedulerID, &PostRASchedulerID); git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210167 91177308-0d34-0410-b5e6-96231b3b80d8
* Move GenericScheduler and PostGenericScheduler into a header.Andrew Trick2014-06-04
| | | | | | | | | | | | | | | | | | | | | | These were not exposed previously because I didn't want out-of-tree targets to be too dependent on their internals. They can be reused for a very wide variety of processors with casual scheduling needs without exposing the classes by instead using hooks defined in MachineSchedPolicy (we can add more if needed). When targets are more aggressively tuned or want to provide custom heuristics, they can define their own MachineSchedStrategy. I tend to think this is better once you start customizing heuristics because you can copy over only what you need. I don't think that layering heuristics generally works well. However, Arch64 targets now want to reuse the Generic scheduling logic but also provide extensions. I don't see much harm in exposing the Generic scheduling classes with a major caveat: these scheduling strategies may change in the future without validating performance on less mainstream processors. If you want to be immune from changes, just define your own MachineSchedStrategy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210166 91177308-0d34-0410-b5e6-96231b3b80d8
* [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
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