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* llvm-cov: Added -b option for branch probabilities.Yuchen Wu2013-12-13
| | | | | | | | | | | This option tells llvm-cov to print out branch probabilities when a basic block contains multiple branches. It also prints out some function summary info including the number of times the function enters, the percent of time it returns, and how many blocks were executed. Also updated tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197198 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Move type units into the debug_types section with appropriate ↵David Blaikie2013-12-13
| | | | | | | | | | | | | | | | | | | comdat grouping and type unit headers This commit does not complete the type units feature - there are issues around fission support (skeletal type units, pubtypes/pubnames) and hashing of some types including those containing references to types in other type units. Originally committed as r197073 and reverted in r197079. This commit originally got jumbled up with another build-breaking commit and I can't find the failures I thought this caused anymore. Recommitting to hopefully get some clean buildbot results to work from. I have a sneaking suspicion there's unstable output in the comdat group output of MCStreamer... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197197 91177308-0d34-0410-b5e6-96231b3b80d8
* Return a StringRef from getHostCPUName.Rafael Espindola2013-12-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197158 91177308-0d34-0410-b5e6-96231b3b80d8
* Add isBarrier to SDepHal Finkel2013-12-12
| | | | | | | | SDep had is* functions for the other kinds of order dependencies (isMustAlias, isWeak, isArtificial, etc.), but not for barrier. Upcoming commits in the PowerPC backend will make use of this function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197098 91177308-0d34-0410-b5e6-96231b3b80d8
* Expose FileCheck's AddFixedStringToRegEx as Regex::escapeHans Wennborg2013-12-12
| | | | | | | Both FileCheck and clang's -verify need to escape strings for regexes, so let's expose this as a utility in the Regex class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197096 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Refactor NEON floating-point Max/Min/Maxnm/Minnm across vector AArch64Chad Rosier2013-12-11
| | | | | | intrinsics to use f32 types, rather than their vector equivalents. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197090 91177308-0d34-0410-b5e6-96231b3b80d8
* Add two additional hazard recognizer functionsHal Finkel2013-12-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds two additional functions to the hazard recognizer interface. These are optional (in the sense that the default implementations preserve the current behavior), and used by the post-RA scheduler. Upcoming commits will use this functionality in order to improve dispatch-group formation on the POWER7 and related cores. Dispatch groups are an odd construct: sometimes we need to insert nops to force a new one to start (for performance reasons), and some instructions need to appear in certain positions within a group, but the groups are not fundamentally cycle based (they can contain instructions with data dependencies with non-trivial latencies). Motivation: unsigned PreEmitNoops(SUnit *) - Used to force the post-RA scheduler to insert nops to force a new dispatch group to begin. We already have a NoopHazard, and this is also still needed. However, NoopHazard only causes a nop to be inserted if there are no other available instructions, and so is not always sufficient. The number of nops to insert depends on state that only the hazard recognizer has, so a general callback is necessary. bool ShouldPreferAnother(SUnit *) - Used to avoid scheduling instructions that would start a new dispatch group when others are available that could be part of the current dispatch group. In this case, we don't want to issue nops, because the non-preferred instruction will implicitly start a new dispatch group regardless. Although the motivation for these functions is driven by the PowerPC backend, they are completely general. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197084 91177308-0d34-0410-b5e6-96231b3b80d8
* On ELF and COFF treat linker_private like private.Rafael Espindola2013-12-11
| | | | | | | | The linkers on these systems don't have anything special to do with these symbols. Since the intent is for them to be absent from the final object, just treat them as private. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197080 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "DebugInfo: Move type units into the debug_types section with ↵David Blaikie2013-12-11
| | | | | | | | | | | | appropriate comdat grouping and type unit headers" This reverts commit r197073. The test seems to be failing on some buildbots for unknown reasons. Reverting until I can figure that out. If anyone's got a reproduction (.s and .o together would be great) - I'd really appreciate it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197079 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Move type units into the debug_types section with appropriate ↵David Blaikie2013-12-11
| | | | | | | | | | | comdat grouping and type unit headers This commit does not complete the type units feature - there are issues around fission support (skeletal type units, pubtypes/pubnames) and hashing of some types including those containing references to types in other type units. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197073 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Add NEON scalar floating-point compare LLVM AArch64 intrinsics thatChad Rosier2013-12-11
| | | | | | use f32/f64 types, rather than their vector equivalents. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197068 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Refactor the NEON scalar floating-point reciprocal step andChad Rosier2013-12-11
| | | | | | | floating-point reciprocal square root step LLVM AArch64 intrinsics to use f32/f64 types, rather than their vector equivalents. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197067 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Refactor the NEON scalar floating-point reciprocal estimate, floating-Chad Rosier2013-12-11
| | | | | | | | point reciprocal exponent, and floating-point reciprocal square root estimate LLVM AArch64 intrinsics to use f32/f64 types, rather than their vector equivalents. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197066 91177308-0d34-0410-b5e6-96231b3b80d8
* [arm] Implement ARM .arch directive.Logan Chien2013-12-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197052 91177308-0d34-0410-b5e6-96231b3b80d8
* Build fix for Android NDK which has neither futimes nor futimensAlp Toker2013-12-11
| | | | | | Based on a patch by Neil Henning! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197045 91177308-0d34-0410-b5e6-96231b3b80d8
* Add TargetRegisterInfo::reverseLocalAssignment hook.Andrew Trick2013-12-11
| | | | | | | | | | | | | | This hook reverses the order of assignment for local live ranges. This will generally allocate shorter local live ranges first. For targets with many registers, this could reduce regalloc compile time by a large factor. It should still achieve optimal coloring; however, it can change register eviction decisions. It is disabled by default for two reasons: (1) Top-down allocation is simpler and easier to debug for targets that don't benefit from reversing the order. (2) Bottom-up allocation could result in poor evicition decisions on some targets affecting the performance of compiled code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197001 91177308-0d34-0410-b5e6-96231b3b80d8
* on darwin<10, fallback to .weak_definition (PPC,X86)David Fang2013-12-10
| | | | | | .weak_def_can_be_hidden was not yet supported by the system assembler git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196970 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Refactor the NEON floating-point absolute difference LLVM AArch64Chad Rosier2013-12-10
| | | | | | intrinsic to use f32/f64 types, rather than their vector equivalents. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196965 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Refactor the NEON signed/unsigned floating-point convert to ↵Chad Rosier2013-12-10
| | | | | | | | fixed-point LLVM AArch64 intrinsics to use f32/f64, rather than their vector equivalents. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196964 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Overload NEON signed/unsigned floating-point convert to fixed-pointChad Rosier2013-12-10
| | | | | | and fixed-point convert to floating-point LLVM AArch64 intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196963 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Overload NEON signed/unsigned integer convert to floating-pointChad Rosier2013-12-10
| | | | | | LLVM AArch64 intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196962 91177308-0d34-0410-b5e6-96231b3b80d8
* Reland "Fix miscompile of MS inline assembly with stack realignment"Reid Kleckner2013-12-10
| | | | | | | | | | | This re-lands commit r196876, which was reverted in r196879. The tests have been fixed to pass on platforms with a stack alignment larger than 4. Update to clang side tests will land shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196939 91177308-0d34-0410-b5e6-96231b3b80d8
* Make Triple's isOSBinFormatXXX functions partition triple-space.Tim Northover2013-12-10
| | | | | | | | | | | Most users would be surprised if "isCOFF" and "isMachO" were simultaneously true, unless they'd put the compiler in a box with a gun attached to a photon detector. This makes sure precisely one of the three formats is true for any triple and simplifies some target logic based on that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196934 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Update documentation for Program functionsAlp Toker2013-12-10
| | | | | | | | | | The docstrings were describing an older interface that has been replaced with functions. Also describe the performance characteristics of FindProgramByName() and ExecuteAndWait() explaining when it's best to avoid them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196932 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Refactor the Neon vector/scalar floating-point convert intrinsics soChad Rosier2013-12-10
| | | | | | that they use float/double rather than the vector equivalents when appropriate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196930 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Refactor the Neon vector/scalar floating-point convert implementation.Chad Rosier2013-12-10
| | | | | | Specifically, reuse the ARM intrinsics when possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196926 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: changed intrinsics for mask operationsElena Demikhovsky2013-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196918 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: Changed intrinsics of VPCONFLICT to match GCC builtin formElena Demikhovsky2013-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196914 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips][msa] Correct sld and sldi builtins.Daniel Sanders2013-12-10
| | | | | | | | | | | | | | | Summary: The result register of these instructions is also the first operand. Reviewers: jacksprat, dsanders Reviewed By: dsanders Differential Revision: http://llvm-reviews.chandlerc.com/D2362 Differential Revision: http://llvm-reviews.chandlerc.com/D2363 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196910 91177308-0d34-0410-b5e6-96231b3b80d8
* Add TargetLowering::prepareVolatileOrAtomicLoadRichard Sandiford2013-12-10
| | | | | | | | | | | | | | | | | | One unusual feature of the z architecture is that the result of a previous load can be reused indefinitely for subsequent loads, even if a cache-coherent store to that location is performed by another CPU. A special serializing instruction must be used if you want to force a load to be reattempted. Since volatile loads are not supposed to be omitted in this way, we should insert a serializing instruction before each such load. The same goes for atomic loads. The patch implements this at the IR->DAG boundary, in a similar way to atomic fences. It is a no-op for targets other than SystemZ. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196905 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64 NEON] Support poly128_t and implement relevant intrinsic.Kevin Qin2013-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196887 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Fix miscompile of MS inline assembly with stack realignment"Reid Kleckner2013-12-10
| | | | | | | This reverts commit r196876. Its tests failed on the bots, so I'll figure it out tomorrow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196879 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix miscompile of MS inline assembly with stack realignmentReid Kleckner2013-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | For stack frames requiring realignment, three pointers may be needed: - ebp to address incoming arguments - esi (could be any callee-saved register) to address locals - esp to address outgoing arguments We would use esi unconditionally without verifying that it did not conflict with inline assembly. This change doesn't do the verification, it simply emits a fatal error on functions that use stack realignment, dynamic SP adjustments, and inline assembly. Because stack realignment is common on Windows, we also no longer assume that MS inline assembly clobbers esp. Instead, we analyze the inline instructions for implicit definitions and check if esp is there. If so, we require the use of a base pointer and consider it in the condition above. Mostly fixes PR16830, but we could try harder to find a non-conflicting base pointer. Reviewers: sunfish Differential Revision: http://llvm-reviews.chandlerc.com/D1317 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196876 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a crash that occurs when PWD is invalid.Andrew Trick2013-12-10
| | | | | | | | | | | | | | | | | | | | MCJIT needs to be able to run in hostile environments, even when PWD is invalid. There's no need to crash MCJIT in this case. The obvious fix is to simply leave MCContext's CompilationDir empty when PWD can't be determined. This way, MCJIT clients, and other clients that link with LLVM don’t need a valid working directory. If we do want to guarantee valid CompilationDir, that should be done only for clients of getCompilationDir(). This is as simple as checking for an empty string. The only current use of getCompilationDir is EmitGenDwarfInfo, which won’t conceivably run with an invalid working dir. However, in the purely hypothetically and untestable case that this happens, the AT_comp_dir will be omitted from the compilation_unit DIE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196874 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-cov: Added -a option for block data.Yuchen Wu2013-12-10
| | | | | | | | | | | | | | | Similar to gcov, llvm-cov will now print out the block count at the end of each block. Multiple blocks can end on the same line. One computational difference is by using -a, llvm-cov will no longer simply add the block counts together to form a line count. Instead, it will take the maximum of the block counts on that line. This has a similar effect to what gcov does, but generates more correct counts in certain scenarios. Also updated tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196856 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Refactor the NEON scalar reduce pairwise intrinsics, so that they useChad Rosier2013-12-09
| | | | | | float/double rather than the vector equivalents when appropriate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196833 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Remove q and non-q intrinsic definitions in the NEON scalar reduceChad Rosier2013-12-09
| | | | | | pairwise implementation, using an overloaded definition instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196831 91177308-0d34-0410-b5e6-96231b3b80d8
* Use a more direct check for finding out the file type.Rafael Espindola2013-12-09
| | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196811 91177308-0d34-0410-b5e6-96231b3b80d8
* ADT: Implement MutableArrayRef::reverse_iteratorDavid Majnemer2013-12-09
| | | | | | | | This adds rbegin/rend methods to MutableArrayRef, they will be used by a follow-on commit in clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196768 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comments for PassDebuggingStringDuncan P. N. Exon Smith2013-12-08
| | | | | | No functionality change. Changing comments to match code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196713 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't #include heavy Dominators.h file in LoopInfo.h. This change reducesJakub Staszak2013-12-07
| | | | | | | overall time of LLVM compilation by ~1%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196667 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the notion of primitive types.Rafael Espindola2013-12-07
| | | | | | | | | | They were out of place since the introduction of arbitrary precision integer types. This also synchronizes the documentation to Types.h, so it refers to first class types and single value types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196661 91177308-0d34-0410-b5e6-96231b3b80d8
* Whitespace cleanups.NAKAMURA Takumi2013-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196654 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor out the SchedRemainder/SchedBoundary from GenericScheduler strategy.Andrew Trick2013-12-07
| | | | | | | | | | | | | These helper classes take care of the book-keeping the drives the GenericScheduler heuristics. It is likely that developers writing target-specific schedulers that work similarly to GenericScheduler will want to use these helpers too. The immediate goal is to develop a GenericPostScheduler that can run in place of the old PostRAScheduler, but will use the new machine model. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196643 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r196639 while I investigate a bot failure.Lang Hames2013-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196641 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for archives and object file caching under MCJIT.Lang Hames2013-12-07
| | | | | | | | Patch by Andy Kaylor, with minor edits to resolve merge conflicts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196639 91177308-0d34-0410-b5e6-96231b3b80d8
* Add getBitCastOrAddrSpaceCastMatt Arsenault2013-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196637 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused value.Rafael Espindola2013-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196635 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a RequireStructuredCFG Field to TargetMachine.Vincent Lejeune2013-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196634 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the segfault reported in PR 11990.Kaelyn Uhrain2013-12-07
| | | | | | | | The sefault occurs due to an infinite loop when the verifier tries to determine the size of a type of the form "%rt = type { %rt }" while checking an alloca of the type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196626 91177308-0d34-0410-b5e6-96231b3b80d8
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