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Revision 1.29 / (download) - annotate - [select for diffs], Thu Jan 12 19:32:53 2023 UTC (8 months, 1 week ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2023Q2-base, pkgsrc-2023Q2, pkgsrc-2023Q1-base, pkgsrc-2023Q1, HEAD
Changes since 1.28: +7 -7 lines
Diff to previous 1.28 (colored)

llvm: updated to 15.0.7

LLVM 15.0.7 is now available. This release is a bug-fix release and is API and ABI compatible with 15.0.0. If there are no major issues found with this release, then it will be the last 15.0.x release.

Revision 1.28 / (download) - annotate - [select for diffs], Wed Nov 30 19:54:59 2022 UTC (9 months, 3 weeks ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2022Q4-base, pkgsrc-2022Q4
Changes since 1.27: +7 -7 lines
Diff to previous 1.27 (colored)

llvm: updated to 15.0.6

Bug fixes

Revision 1.27 / (download) - annotate - [select for diffs], Wed Nov 16 20:53:58 2022 UTC (10 months ago) by adam
Branch: MAIN
Changes since 1.26: +7 -7 lines
Diff to previous 1.26 (colored)

llvm: updated to 15.0.5

LLVM 15.0.5 is now available. This release is a bug-fix release and is API and ABI compatible with 15.0.0. If there are no major issues found with this release, then it will be the last 15.0.x release.

Revision 1.26 / (download) - annotate - [select for diffs], Mon Nov 14 18:44:05 2022 UTC (10 months, 1 week ago) by adam
Branch: MAIN
Changes since 1.25: +7 -4 lines
Diff to previous 1.25 (colored)

llvm: updated to 15.0.4

LLVM 15.0.4

Changes to the LLVM IR

LLVM now uses opaque pointers. This means that different pointer types like i8*, i32* or void()** are now represented as a single ptr type. See the linked document for migration instructions.
Renamed llvm.experimental.vector.extract intrinsic to llvm.vector.extract.
Renamed llvm.experimental.vector.insert intrinsic to llvm.vector.insert.
The constant expression variants of the following instructions have been removed:
Added the support for fmax and fmin in atomicrmw instruction. The comparison is expected to match the behavior of llvm.maxnum.* and llvm.minnum.* respectively.
callbr instructions no longer use blockaddress arguments for labels. Instead, label constraints starting with ! refer directly to entries in the callbr indirect destination list.

Changes to building LLVM

Omitting CMAKE_BUILD_TYPE when using a single configuration generator is now an error. You now have to pass -DCMAKE_BUILD_TYPE=<type> in order to configure LLVM. This is done to help new users of LLVM select the correct type: since building LLVM in Debug mode is very resource intensive, we want to make sure that new users make the choice that lines up with their usage. We have also improved documentation around this setting that should help new users. You can find this documentation here.

Changes to Loop Optimizations

Loop interchange legality and cost model improvements

Changes to the AMDGPU Backend

8 and 16-bit atomic loads and stores are now supported

Changes to the ARM Backend

Added support for the Armv9-A, Armv9.1-A and Armv9.2-A architectures.
Added support for the Armv8.1-M PACBTI-M extension.
Added support for the Armv9-A, Armv9.1-A and Armv9.2-A architectures.
Added support for the Armv8.1-M PACBTI-M extension.
Removed the deprecation of ARMv8-A T32 Complex IT blocks. No deprecation warnings will be generated and -mrestrict-it is now always off by default. Previously it was on by default for Armv8 and off for all other architecture versions.
Added a pass to workaround Cortex-A57 Erratum 1742098 and Cortex-A72 Erratum 1655431. This is enabled by default when targeting either CPU.
Implemented generation of Windows SEH unwind information.
Switched the MinGW target to use SEH instead of DWARF for unwind information.
Added support for the Cortex-M85 CPU.
Added support for a new -mframe-chain=(none|aapcs|aapcs+leaf) command-line option, which controls the generation of AAPCS-compliant Frame Records.

Changes to the DirectX Backend

DirectX has been added as an experimental target. Specify -DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=DirectX in your CMake configuration to enable it. The target is not packaged in pre-built binaries.
The DirectX backend supports the dxil architecture which is based on LLVM 3.6 IR encoded as bitcode and is the format used for DirectX GPU Shader programs.

Changes to the PowerPC Backend

Common PowerPC improvements: * Add a new post instruction selection pass to generate CTR loops. * Add SSE4 and BMI compatible intrinsics implementation. * Supported 16-byte lock free atomics on PowerPC8 and up. * Supported atomic load/store for pointer types. * Supported stack size larger than 2G * Add __builtin_min/__builtin_max/__abs builtins. * Code generation improvements for splat load/vector shuffle/mulli, etc. * Emit VSX instructions for vector loads and stores regardless of alignment. * The mcpu=future has its own ISA now (FutureISA). * Added the ppc-set-dscr option to set the Data Stream Control Register (DSCR). * Bug fixes.

AIX improvements: * Supported 64 bit XCOFF for integrated-as path. * Supported X86-compatible vector intrinsics. * Program code csect default alignment now is 32-byte. * Supported auxiliary header in integrated-as path. * Improved alias symbol handling.

Changes to the RISC-V Backend

A RISCVRedundantCopyElimination pass was added to remove unnecessary zero copies.
A RISC-V specific CodeGenPrepare pass was added.
The machine outliner was enabled by default for RISC-V at -Oz. Additionally, the newly introduced RISCVMakeCompressible pass will make modify instructions prior to emission at -Oz in order to increase opportunities for the compression with the RISC-V C extension.
Various bug fixes and improvements to code generation for the RISC-V vector extensions.
Various improvements were made to RISC-V specific optimisation passes such as RISCVSExtWRemoval and RISCVMergeBaseOffset.
llc now computes the target ABI based on the target architecture using the same logic as Clang if not explicit ABI is given.
generic is now recognized as a valid CPU name and is mapped to generic-rv32 or generic-rv64 depending on the target triple.
Support for the experimental Zvfh extension was added, enabling half-precision floating point in vectors.
Support for the Zihintpause (Pause Hint) extension.
Assembler and disassembler support for the Zfinx and Zdinx (float / double in integer register) extensions.
Assembler and disassembler support for the Zicbom, Zicboz, and Zicbop cache management operation extensions.
Support for the Zmmul extension (a subextension of the M extension, adding multiplication instructions only).
Assembler and disassembler support for the hypervisor extension and for the Sinval supervisor memory-management extension.

Changes to the X86 Backend

Support half type on SSE2 and above targets following X86 psABI.
Support rdpru instruction on Zen2 and above targets.
During this release, half type has an ABI breaking change to provide the support for the ABI of _Float16 type on SSE2 and above following X86 psABI. (D107082)

The change may affect the current use of half includes (but is not limited to):

Frontends generating half type in function passing and/or returning arguments.
Downstream runtimes providing any half conversion builtins assuming the old ABI.
Projects built with LLVM 15.0 but using early versions of compiler-rt.
When you find failures with half type, check the calling conversion of the code and switch it to the new ABI.

Changes to the LLVM tools

(Experimental) llvm-symbolizer now has --filter-markup to filter Symbolizer Markup into human-readable form.
llvm-objcopy has removed support for the legacy zlib-gnu format.
llvm-objcopy now allows --set-section-flags src=... --rename-section src=tst. --add-section=.foo1=... --rename-section=.foo1=.foo2 now adds .foo1 instead of .foo2.
New features supported on AIX for llvm-ar:
AIX big-format archive write operation (D123949)
A new object mode option, -X , to specify the type of object file llvm-ar should operate upon (D127864)
Read global symbols of AIX big archive (D124865)
New options supported for llvm-nm:
-X, to specify the type of object file that llvm-nm should examine (D118193)
--export-symbols, to create a list of symbols to export (D112735)
The LLVM gold plugin now ignores bitcode from the .llvmbc section of ELF files when doing LTO.
llvm-objcopy now supports 32 bit XCOFF.
llvm-objdump: improved assembly printing for XCOFF.
llc now parses code-model attribute from input file.

Changes to LLDB

The emory regioncommand now has a alloption to list all memory regions (including unmapped ranges). This is the equivalent of using address 0 then repeating the command until all regions have been listed.
Added show-tagsoption to the emory findcommand. This is off by default. When enabled, if the target value is found in tagged memory, the tags for that memory will be shown inline with the memory contents.
Various memory related parts of LLDB have been updated to handle non-address bits (such as AArch64 pointer signatures):
emory read emory writeand emory findcan now be used with addresses with non-address bits.
All the read and write memory methods on SBProccess and SBTarget can be used with addreses with non-address bits.
When printing a pointer expression, LLDB can now dereference the result even if it has non-address bits.
The memory cache now ignores non-address bits when looking up memory locations. This prevents us reading locations multiple times, or not writing out new values if the addresses have different non-address bits.
LLDB now supports reading memory tags from AArch64 Linux core files.
LLDB now supports the gnu debuglink section for reading debug information from a separate file on Windows
LLDB now allows selecting the C++ ABI to use on Windows (between Itanium, used for MingW, and MSVC) via the setting. In Windows builds of LLDB, this defaults to the style used for LLVM default target.

Other Changes

The code for the LLVM Visual Studio integration has been removed. This had been obsolete and abandoned since Visual Studio started including an integration by default in 2019.
Added the unwinder, personality, and helper functions for exception handling on AIX. (D100132) (D100504)
PGO on AIX: A new implementation that requires linker support (__start_SECTION/__stop_SECTION symbols) available on AIX 7.2 TL5 SP4 and AIX 7.3 TL0 SP2.

Revision 1.25 / (download) - annotate - [select for diffs], Mon Aug 15 19:07:20 2022 UTC (13 months, 1 week ago) by wiz
Branch: MAIN
CVS Tags: pkgsrc-2022Q3-base, pkgsrc-2022Q3
Changes since 1.24: +2 -2 lines
Diff to previous 1.24 (colored)

polly: fix checksum for patch

Revision 1.24 / (download) - annotate - [select for diffs], Fri Aug 12 08:47:29 2022 UTC (13 months, 1 week ago) by pin
Branch: MAIN
Changes since 1.23: +5 -5 lines
Diff to previous 1.23 (colored)

devel/polly: llvm update

Revision 1.23 / (download) - annotate - [select for diffs], Thu Feb 3 20:38:40 2022 UTC (19 months, 2 weeks ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2022Q2-base, pkgsrc-2022Q2, pkgsrc-2022Q1-base, pkgsrc-2022Q1
Changes since 1.22: +4 -4 lines
Diff to previous 1.22 (colored)

llvm: updated to 13.0.1

Bug-fix release.

Revision 1.22 / (download) - annotate - [select for diffs], Tue Nov 23 20:55:42 2021 UTC (21 months, 4 weeks ago) by wiz
Branch: MAIN
CVS Tags: pkgsrc-2021Q4-base, pkgsrc-2021Q4
Changes since 1.21: +4 -5 lines
Diff to previous 1.21 (colored)

llvm: update llvm and friends to 13.0.0

Tested on NetBSD-current and 9.1/amd64.

Also update packages tightly coupled to llvm, if new versions are

Mark creduce, include-what-you-use, and zig broken (waiting for a
new release).


Non-comprehensive list of changes in this release

    Windows Control-flow Enforcement Technology: the -ehcontguard
    option now emits valid unwind entrypoints which are validated
    when the context is being set during exception handling.

    Flang is now included in the binary packages released by LLVM.

    The debuginfo-test project has been renamed cross-project-tests
    and is now intended for testing components from multiple
    projects, not just debug information. The new ross-project-tests    name replaces ebuginfo-testin LLVM_ENABLE_PROJECTS, and a
    new check-cross-project-tests target has been added for running
    all tests in the project. The pre-existing check-debuginfo-
    test target remains for running just the debug information
    tests. (D95339 and D96513)

Changes to the LLVM IR

    The inalloca attribute now has a mandatory type field, similar
    to byval and sret.

    The opaque pointer type ptr has been introduced. It is still
    in the process of being worked on and should not be used yet.

    Using the legacy pass manager for the optimization pipeline is
    deprecated and will be removed after LLVM 14. In the meantime,
    only minimal effort will be made to maintain the legacy pass
    manager for the optimization pipeline.

Changes to building LLVM

    The build system now supports building multiple distributions,
    so that you can e.g. have one distribution containing just
    tools and another for libraries (to enable development). See
    Multi-distribution configurations for details.

Changes to the AArch64 Backend

    Introduced assembly support for Armv9-A Realm Management
    Extension (RME) and Scalable Matrix Extension (SME).

    Produce proper cross-section relative relocations on COFF

    Fixed the calling convention on Windows for variadic functions
    involving floats in the fixed arguments

Changes to the ARM Backend

    Produce proper cross-section relative relocations on COFF

Changes to the Hexagon Target

    The Hexagon target now supports V68/HVX ISA.

Changes to the C API

    The C API functions LLVMGetAlignment and LLVMSetAlignment now
    allow changing alignment on atomicrmw and cmpxchg instructions

    A new entry LLVMDIArgListMetadataKind was added to the
    LLVMMetadataKind enum, representing DIArgLists (D88175)

    Type attributes have been added to LLVM-C, introducing
    LLVMCreateTypeAttribute, LLVMGetTypeAttributeValue and
    LLVMIsTypeAttribute. (D977763

    The LTO_API_VERSION was bumped to 28, introducing a new function
    lto_set_debug_options for parsing LTO debug options (D92611)

    LLVMJITTargetSymbolFlags was renamed to LLVMJITSymbolTargetFlags

    The C API received support for creating custom ORCv2
    MaterializationUnits and APIs to retrieve an LLJIT instance
    linking layers. An ABI breaking change for LLVMOrcAbsoluteSymbols
    was introduced to make it consistent with

    The C API received support for adding ORCv2 object buffers
    directly to an object layer.

    A breaking change to LLVMGetInlineAsm was introduced, adding
    a ninth argument LLVMBool CanThrow (D95745)

    The C API received support for calling into the new pass manager.

    The C API function LLVMIntrinsicCopyOverloadedName has been
    deprecated. Please migrate to LLVMIntrinsicCopyOverloadedName2
    which takes an extra module argument and which also handles
    unnamed types. (D99173)

    The C API received support for dumping objects from ORCv2

    A breaking change to LLVMOrcObjectTransformLayerTransformFunction
    was introduced, changing the order of the function pointer
    arguments. (rG8962c68ad007a525f9daa987c99eda57e0d0069a)

    The C API received support for accessing utilities from the
    LLJIT IRTransformLayer and ThreadSafeModule classes. (D103855)

    The C API received support for creating lazy-export
    MaterializationUnits (D104672)

    The C API function LLVMPassBuilderOptionsSetCoroutines was
    removed because couroutine passes have been enabled by default.

    comdat noduplicates was renamed to comdat nodeduplicate and as
    a result, LLVMNoDuplicatesComdatSelectionKind was renamed to
    LLVMNoDeduplicateComdatSelectionKind. (D106319)

Changes to the FastISel infrastructure

    FastISel no longer tracks killed registers, and instead leaves
    this to the register allocator. This means that hasTrivialKill()
    is removed, as well as the OpNIsKill parameters to the fastEmit_*()
    family of functions.

Changes to the LLVM tools

    The options --build-id-link-{dir,input,output} have been deleted.

    Support for in-order processors has been added to llvm-mca.

    llvm-objdump supports -M {att,intel} now. --x86-asm-syntax is
    a deprecated internal option which will be removed in LLVM
    14.0.0. (D101695)

    The llvm-readobj short aliases -s (previously --sections) and
    -t (previously --syms) have been changed to --syms and
    --section-details respectively, to match llvm-readelf. (D105055)

    The llvm-nm short aliases -M (--print-armap), -U (--defined-only),
    and -W (--no-weak) are now deprecated. Use the long form versions
    instead. The alias --just-symbol-name is now deprecated in
    favor of --format=just-symbols and -j. (D105330)

    In lli the default JIT engine switched from MCJIT (-jit-kind=mcjit)
    to ORC (-jit-kind=orc). (D98931)

    llvm-rc got support for invoking Clang to preprocess its input.

    llvm-rc got a GNU windres compatible frontend, llvm-windres.

    llvm-ml has improved compatibility with MS ml.exe, managing to
    assemble more asm files.

Changes to LLDB

    LLDB executable is now included in pre-built LLVM binaries.

    LLDB now includes full featured support for AArch64 SVE register

    LLDB now supports AArch64 Pointer Authentication, allowing
    stack unwind with signed return address.

    LLDB now supports debugging programs on AArch64 Linux that use
    memory tagging (MTE).

    Added memory tag read and memory tag write commands.

    The memory region command will note when a region has memory
    tagging enabled.

    Synchronous and asynchronous tag faults are recognised.

    Synchronous tag faults have memory tag annotations in addition
    to the usual fault address.

Revision 1.21 / (download) - annotate - [select for diffs], Tue Oct 26 10:18:05 2021 UTC (22 months, 4 weeks ago) by nia
Branch: MAIN
Changes since 1.20: +2 -2 lines
Diff to previous 1.20 (colored)

archivers: Replace RMD160 checksums with BLAKE2s checksums

All checksums have been double-checked against existing RMD160 and
SHA512 hashes

Could not be committed due to merge conflict:

The following distfiles were unfetchable (note: some may be only fetched

./devel/pvs/distinfo pvs-3.2-solaris.tgz

Revision 1.20 / (download) - annotate - [select for diffs], Thu Oct 7 13:42:51 2021 UTC (23 months, 2 weeks ago) by nia
Branch: MAIN
Changes since 1.19: +1 -2 lines
Diff to previous 1.19 (colored)

devel: Remove SHA1 hashes for distfiles

Revision 1.19 / (download) - annotate - [select for diffs], Mon Jul 12 18:48:01 2021 UTC (2 years, 2 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2021Q3-base, pkgsrc-2021Q3
Changes since 1.18: +5 -5 lines
Diff to previous 1.18 (colored)

polly: updated to 12.0.1

The LLVM option -polly-isl-arg was added to pass options to ISL command line option parser. For instance, -polly-isl-arg=chedule-algorithm=feautrier switches to the Feautrier scheduling algorithm.

Revision 1.18 / (download) - annotate - [select for diffs], Sun Jul 26 19:20:13 2020 UTC (3 years, 1 month ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2021Q2-base, pkgsrc-2021Q2, pkgsrc-2021Q1-base, pkgsrc-2021Q1, pkgsrc-2020Q4-base, pkgsrc-2020Q4, pkgsrc-2020Q3-base, pkgsrc-2020Q3
Changes since 1.17: +5 -5 lines
Diff to previous 1.17 (colored)

llvm: updated to 10.0.1

Bug fix release

Revision 1.17 / (download) - annotate - [select for diffs], Sat Apr 18 08:01:43 2020 UTC (3 years, 5 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2020Q2-base, pkgsrc-2020Q2
Changes since 1.16: +5 -5 lines
Diff to previous 1.16 (colored)

polly: updated to 10.0.0

In Polly 10 the following important changes have been incorporated.

The mechanism that Polly uses to link itself statically into the opt, bugpoint and clang executables has been generalized such that it can be used by other pass plugins. An example plugin ףyehas been added to LLVM to illustate the mechanism.
Some ScopInfo methods that are only relevant during SCoP construction have been moved into the ScopBuilder class. In addition to making it clearer which methods can only be used during the construction phase, the refactoring helps shrinking the size of the public header ScopInfo.h.

Revision 1.16 / (download) - annotate - [select for diffs], Sun Dec 29 15:31:21 2019 UTC (3 years, 8 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2020Q1-base, pkgsrc-2020Q1
Changes since 1.15: +5 -5 lines
Diff to previous 1.15 (colored)

llvm: updated to 9.0.1

9.0.1 is a bug-fix release.

Revision 1.15 / (download) - annotate - [select for diffs], Sat Oct 19 14:01:36 2019 UTC (3 years, 11 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2019Q4-base, pkgsrc-2019Q4
Changes since 1.14: +5 -5 lines
Diff to previous 1.14 (colored)

lld: updated to 9.0.0

Non-comprehensive list of changes in this release

ELF Improvements

ld.lld now has typo suggestions for flags: $ ld.lld --call-shared now prints unknown argument '--call-shared', did you mean '--call_shared'.

--allow-shlib-undefined and --no-allow-shlib-undefined options are added. --no-allow-shlib-undefined is the default for executables.

-nmagic and -omagic options are fully supported.

Segment layout has changed. PT_GNU_RELRO, which was previously placed in the middle of readable/writable PT_LOAD segments, is now placed at the beginning of them. This change permits lld-produced ELF files to be read correctly by GNU strip older than 2.31, which has a bug to discard a PT_GNU_RELRO in the former layout.

-z common-page-size is supported.

Diagnostics messages have improved. A new flag --vs-diagnostics alters the format of diagnostic output to enable source hyperlinks in Microsoft Visual Studio IDE.

Linker script compatibility with GNU BFD linker has generally improved.

The clang --dependent-library form of autolinking is supported.

This feature is added to implement the Windows-style autolinking for Unix. On Unix, in order to use a library, you usually have to include a header file provided by the library and then explicitly link the library with the linker -l option. On Windows, header files usually contain pragmas that list needed libraries. Compilers copy that information to object files, so that linkers can automatically link needed libraries. --dependent-library is added for implementing that Windows semantics on Unix.

AArch64 BTI and PAC are supported.

lld now supports replacing JAL with JALX instructions in case of MIPS-microMIPS cross-mode jumps.

lld now creates LA25 thunks for MIPS R6 code.

Put MIPS-specific .reginfo, .MIPS.options, and .MIPS.abiflags sections into corresponding PT_MIPS_REGINFO, PT_MIPS_OPTIONS, and PT_MIPS_ABIFLAGS segments.

The quality of RISC-V and PowerPC ports have greatly improved. Many applications can now be linked by lld. PowerPC64 is now almost production ready.

The Linux kernel for arm32_7, arm64, ppc64le and x86_64 can now be linked by lld.

x86-64 TLSDESC is supported.

DF_STATIC_TLS flag is set for i386 and x86-64 when needed.

The experimental partitioning feature is added to allow a program to be split into multiple pieces.

The feature allows you to semi-automatically split a single program into multiple ELF files called artitions Since all partitions share the same memory address space and don use PLT/GOT, split programs run as fast as regular programs.

With the mechanism, you can start a program only with a ainpartition and load remaining partitions on-demand. For example, you can split a web browser into a main partition and a PDF reader sub-partition and load the PDF reader partition only when a user tries to open a PDF file.

See the documentation for more information.

If is given as an output filename, lld writes the final result to the standard output. Previously, it created a file in the current directory.

-z ifunc-noplt option is added to reduce IFunc function call overhead in a freestanding environment such as the OS kernel.

Functions resolved by the IFunc mechanism are usually dispatched via PLT and thus slower than regular functions because of the cost of indirection. With -z ifunc-noplt, you can eliminate it by doing text relocations at load-time. You need a special loader to utilize this feature. This feature is added for the FreeBSD kernel but can be used by any operating systems.

--undefined-glob option is added. The new option is an extension to --undefined to take a glob pattern instead of a single symbol name.

COFF Improvements

Like the ELF driver, lld-link now has typo suggestions for flags.
lld-link now correctly reports duplicate symbol errors for object files that were compiled with /Gy.
lld-link now correctly reports duplicate symbol errors when several resource (.res) input files define resources with the same type, name and language. This can be demoted to a warning using /force:multipleres.
lld-link now rejects more than one resource object input files, matching link.exe. Previously, lld-link would silently ignore all but one. If you hit this: Don pass resource object files to the linker, instead pass res files to the linker directly. Don put resource files in static libraries, pass them on the command line.
Having more than two /natvis: now works correctly; it used to not work for larger binaries before.
Undefined symbols are now printed only in demangled form. Pass /demangle:no to see raw symbol names instead.
Several speed and memory usage improvements.
lld-link now supports resource object files created by GNU windres and MS cvtres, not only llvm-cvtres.
The generated thunks for delayimports now share the majority of code among thunks, significantly reducing the overhead of using delayimport.
IMAGE_REL_ARM{,64}_REL32 relocations are supported.
Range extension thunks for AArch64 are now supported, so lld can create large executables for Windows/ARM64.
The following flags have been added: /functionpadmin

WebAssembly Improvements

Imports from custom module names are supported.
Symbols that are in llvm.used are now exported by default.
Initial support for PIC and dynamic linking has landed.
wasm-ld now add __start_/__stop_ symbols for data sections.
wasm-ld now doesn report an error on archives without a symbol index.
The following flags have been added: --emit-relocs

MinGW Improvements

lld now correctly links crtend.o as the last object file, handling terminators for the sections such as .eh_frame properly, fixing DWARF exception handling with libgcc and gcc crtend.o.
lld now also handles DWARF unwind info generated by GCC, when linking with libgcc.
PDB output can be requested without manually specifying the PDB file name, with the new option -pdb= with an empty value to the option. (The old existing syntax -pdb <filename> was more cumbersome to use with an empty parameter value.)
--no-insert-timestamp option is added as an alias to /timestamp:0.
Many more GNU ld options are now supported, which e.g. allows the lld MinGW frontend to be called by GCC.
The following options are added: --exclude-all-symbols, --appcontainer, --undefined

Revision 1.14 / (download) - annotate - [select for diffs], Mon Aug 5 19:06:50 2019 UTC (4 years, 1 month ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2019Q3-base, pkgsrc-2019Q3
Changes since 1.13: +5 -5 lines
Diff to previous 1.13 (colored)

llvm: updated to 8.0.1

LLVM 8.0.1 is now available! Download it now, or read the release notes.

This release contains bug-fixes for the LLVM 8.0.0 release. This
release is API and ABI compatible with 8.0.0.

Revision 1.13 / (download) - annotate - [select for diffs], Sun Jun 2 08:35:55 2019 UTC (4 years, 3 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2019Q2-base, pkgsrc-2019Q2
Changes since 1.12: +5 -5 lines
Diff to previous 1.12 (colored)

llvm: updated to 8.0.0

Non-comprehensive list of changes in this release
* The llvm-cov tool can now export lcov trace files using the -format=lcov option of the export command.
* The add_llvm_loadable_module CMake macro has been removed. The add_llvm_library macro with the MODULE argument now provides the same functionality. See Writing an LLVM Pass.
* For MinGW, references to data variables that might need to be imported from a dll are accessed via a stub, to allow the linker to convert it to a dllimport if needed.
* Added support for labels as offsets in .reloc directive.
* Support for precise identification of X86 instructions with memory operands, by using debug information. This supports profile-driven cache prefetching. It is enabled with the -x86-discriminate-memops LLVM Flag.
* Support for profile-driven software cache prefetching on X86. This is part of a larger system, consisting of: an offline cache prefetches recommender, AutoFDO tooling, and LLVM. In this system, a binary compiled with -x86-discriminate-memops is run under the observation of the recommender. The recommender identifies certain memory access instructions by their binary file address, and recommends a prefetch of a specific type (NTA, T0, etc) be performed at a specified fixed offset from such an instruction memory operand. Next, this information needs to be converted to the AutoFDO syntax and the resulting profile may be passed back to the compiler with the LLVM flag -prefetch-hints-file, together with the exact same set of compilation parameters used for the original binary. More information is available in the RFC.
* Windows support for libFuzzer (x86_64).

Revision 1.12 / (download) - annotate - [select for diffs], Sun Dec 23 00:11:40 2018 UTC (4 years, 9 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2019Q1-base, pkgsrc-2019Q1, pkgsrc-2018Q4-base, pkgsrc-2018Q4
Changes since 1.11: +5 -5 lines
Diff to previous 1.11 (colored)

llvm and friends: updated to 7.0.1

This release contains bug-fixes for the LLVM 7.0.0 release. This
release is API and ABI compatible with 7.0.0.

Revision 1.11 / (download) - annotate - [select for diffs], Sun Dec 9 20:04:39 2018 UTC (4 years, 9 months ago) by adam
Branch: MAIN
Changes since 1.10: +5 -5 lines
Diff to previous 1.10 (colored)

llvm: updated to 7.0.0

LLVM 7.0.0 Release

The release contains the work on trunk up to SVN revision 338536 plus
work on the release branch. It is the result of the community's work
over the past six months, including: function multiversioning in Clang
with the 'target' attribute for ELF-based x86/x86_64 targets, improved
PCH support in clang-cl, preliminary DWARF v5 support, basic support
for OpenMP 4.5 offloading to NVPTX, OpenCL C++ support, MSan, X-Ray
and libFuzzer support for FreeBSD, early UBSan, X-Ray and libFuzzer
support for OpenBSD, UBSan checks for implicit conversions, many
long-tail compatibility issues fixed in lld which is now production
ready for ELF, COFF and MinGW, new tools llvm-exegesis, llvm-mca and
diagtool. And as usual, many optimizations, improved diagnostics, and
bug fixes.

For more details, see the release notes:

Revision 1.10 / (download) - annotate - [select for diffs], Tue Aug 7 10:44:50 2018 UTC (5 years, 1 month ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2018Q3-base, pkgsrc-2018Q3
Changes since 1.9: +5 -5 lines
Diff to previous 1.9 (colored)

llvm: updated to 6.0.1


Non-comprehensive list of changes in this release

Support for retpolines was added to help mitigate ranch target injection(variant 2) of the ״pectrespeculative side channels described by Project Zero and the Spectre paper.
The Redirects argument of llvm::sys::ExecuteAndWait and llvm::sys::ExecuteNoWait was changed to an ArrayRef of optional StringRef to make it safer and more convenient to use.
The backend name was added to the Target Registry to allow run-time information to be fed back into TableGen. Out-of-tree targets will need to add the name used in the def X : Target definition to the call to RegisterTarget.
The Debugify pass was added to opt to facilitate testing of debug info preservation. This pass attaches synthetic DILocations and DIVariables to the instructions in a Module. The CheckDebugify pass determines how much of the metadata is lost.
Significantly improved quality of CodeView debug info for Windows.
Preliminary support for Sanitizers and sibling features on X86(_64) NetBSD (ASan, UBsan, TSan, MSan, SafeStack, libFuzzer).

Changes to the LLVM IR
The fast-math-flags (FMF) have been updated. Previously, the astflag indicated that floating-point reassociation was allowed and all other flags were set too. The astflag still exists, but there is a new flag called eassocto indicate specifically that reassociation is allowed. A new bit called fnwas also added to selectively allow approximations for common mathlib functions like square-root. The new flags provide more flexibility to enable/disable specific floating-point optimizations. Making the optimizer respond appropriately to these flags is an ongoing effort.

Changes to the AArch64 Target
Enabled the new GlobalISel instruction selection framework by default at -O0.

Changes to the ARM Target
Support for enabling SjLj exception handling on platforms where it isn the default.

Changes to the Hexagon Target
The Hexagon backend now supports V65 ISA.
The -mhvx option now takes an optional value that specifies the ISA version of the HVX coprocessor. The available values are v60, v62 and v65. By default, the value is set to be the same as the CPU version.
The compiler option -mhvx-double is deprecated and will be removed in the next release of the compiler. Programmers should use the -mhvx-length option to specify the desired vector length: -mhvx-length=64b for 64-byte vectors and -mhvx-length=128b for 128-byte vectors. While the current default vector length is 64 bytes, users should always specify the length explicitly, since the default value may change in the future.
The target feature hvx-double is deprecated and will be removed in the next release. LLVM IR generators should use target features hvx-length64b and hvx-length128b to indicate the vector length. The length should always be specified when HVX code generation is enabled.

Changes to the MIPS Target
Fixed numerous bugs:

fpowi on MIPS64 giving incorrect results when used with a negative integer.
Usage of the asm constraint with the wrong datatype causing an assert/crash.
Fixed a conversion bug when using the DSP ASE.
Fixed an inconsistency where objects were not marked as using the microMIPS as when the micromips function attribute or the set micromipsdirective was used.
Reordered the MIPSR6 specific hazard scheduler pass to after the delay slot filler, fixing a class of rare edge case bugs where the delay slot filler would violate ISA restrictions.
Fixed a crash when using a type of unknown size with gp relative addressing.
Corrected the j macro for microMIPS.
Corrected the encoding of movep for microMIPS32r6.
Fixed an issue with the usage of insert instructions having an invalid set of operands.
Fixed an issue where TLS symbols were not marked as such.
Enabled the usage of register scavenging with MSA, due to its shorter offsets for loads and stores.
Corrected the ELF headers when using the DSP ASE.

New features:

The long branch pass now generates some R6 specific instructions when targeting MIPSR6.
The delay slot filler now performs more branch conversions if delay slots cannot be filled.
The MIPS MT ASE is now fully supported.
Added support for the lapc pseudo instruction.
Improved the selection of multiple instructions (dext, nmadd, nmsub).
Further improved microMIPS codesize reduction.

Deprecation notices:

microMIPS64R6 support was been deprecated since 5.0, and has now been completely removed.

Changes to the SystemZ Target
During this release the SystemZ target has:

Added support for 128-bit atomic operations.
Added support for the constraint for inline asm statements.

Changes to the X86 Target
During this release the X86 target has:

Added support for enabling SjLj exception handling on platforms where it isn the default.
Added intrinsics for Intel Extensions: VAES, GFNI, VPCLMULQDQ, AVX512VBMI2, AVX512BITALG, AVX512VNNI.
Added support for Intel Icelake CPU.
Fixed some X87 codegen bugs.
Added instruction scheduling information for Intel Sandy Bridge, Ivy Bridge, Haswell, Broadwell, and Skylake CPUs.
Improved scheduler model for AMD Jaguar CPUs.
Improved llvm-mc disassembler for some EVEX encoded instructions.
Add support for i8 and i16 vector signed/unsigned min/max horizontal reductions.
Improved codegen for memory comparisons
Improved codegen for i32 vector multiplies
Improved codegen for scalar integer absolute values
Improved codegen for vector integer rotations (XOP and AVX512)
Improved codegen of data being transferred between GPRs and K-registers.
Improved codegen for vector truncations.
Improved folding of address computations into gather/scatter instructions.
Gained initial support recognizing variable shuffles from vector element extracts and inserts.
Improved documentation for SSE/AVX intrinsics in intrin.h header files.
Gained support for emitting retpolines, including automatic insertion of the necessary thunks or using external thunks.

Revision 1.9 / (download) - annotate - [select for diffs], Tue May 22 12:39:23 2018 UTC (5 years, 4 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2018Q2-base, pkgsrc-2018Q2
Changes since 1.8: +5 -5 lines
Diff to previous 1.8 (colored)

llvm: updated to 5.0.2

Bug fix release.

Revision 1.8 / (download) - annotate - [select for diffs], Sat Dec 30 10:39:24 2017 UTC (5 years, 8 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2018Q1-base, pkgsrc-2018Q1
Changes since 1.7: +5 -5 lines
Diff to previous 1.7 (colored)

llvm: updated to 5.0.1

LLVM 5.0.1:
This release contains bug-fixes for the LLVM 5.0.0 release. This
release is API and ABI compatible with 5.0.0.

Revision 1.7 / (download) - annotate - [select for diffs], Fri Dec 1 19:22:12 2017 UTC (5 years, 9 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2017Q4-base, pkgsrc-2017Q4
Changes since 1.6: +7 -7 lines
Diff to previous 1.6 (colored)

llvm: updated to 5.0.0

Non-comprehensive list of changes in this release
* LLVM WeakVH has been renamed to WeakTrackingVH and a new WeakVH has been introduced. The new WeakVH nulls itself out on deletion, but does not track values across RAUW.
* A new library named BinaryFormat has been created which holds a collection of code which previously lived in Support. This includes the file_magic structure and identify_magic functions, as well as all the structure and type definitions for DWARF, ELF, COFF, WASM, and MachO file formats.
* The tool llvm-pdbdump has been renamed llvm-pdbutil to better reflect its nature as a general purpose PDB manipulation / diagnostics tool that does more than just dumping contents.
* The BBVectorize pass has been removed. It was fully replaced and no longer used back in 2014 but we didn get around to removing it. Now it is gone. The SLP vectorizer is the suggested non-loop vectorization pass.
* A new tool has been added to visualize optimization remarks in HTML. The tool processes the YAML files produced by clang with the -fsave-optimization-record option.
* A new CMake macro LLVM_REVERSE_ITERATION has been added. If enabled, all supported unordered LLVM containers would be iterated in reverse order. This is useful for uncovering non-determinism caused by iteration of unordered containers. Currently, it supports reverse iteration of SmallPtrSet and DenseMap.
* A new tool llvm-dlltool has been added to create short import libraries from GNU style definition files. The tool utilizes the PE COFF SPEC Import Library Format and PE COFF Auxiliary Weak Externals Format to achieve compatibility with LLD and MSVC LINK.

Revision 1.6 / (download) - annotate - [select for diffs], Tue Jul 11 19:47:37 2017 UTC (6 years, 2 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2017Q3-base, pkgsrc-2017Q3
Changes since 1.5: +5 -5 lines
Diff to previous 1.5 (colored)

Changes 4.0.1:
This is a bug-fix release.

Revision 1.5 / (download) - annotate - [select for diffs], Fri Mar 17 22:38:17 2017 UTC (6 years, 6 months ago) by adam
Branch: MAIN
CVS Tags: pkgsrc-2017Q2-base, pkgsrc-2017Q2, pkgsrc-2017Q1-base, pkgsrc-2017Q1
Changes since 1.4: +7 -7 lines
Diff to previous 1.4 (colored)

LLVM 4.0.0:
The minimum compiler version required for building LLVM has been raised to 4.8 for GCC and 2015 for Visual Studio.
The C API functions LLVMAddFunctionAttr, LLVMGetFunctionAttr, LLVMRemoveFunctionAttr, LLVMAddAttribute, LLVMRemoveAttribute, LLVMGetAttribute, LLVMAddInstrAttribute and LLVMRemoveInstrAttribute have been removed.
The C API enum LLVMAttribute has been deleted.
The definition and uses of LLVM_ATRIBUTE_UNUSED_RESULT in the LLVM source were replaced with LLVM_NODISCARD, which matches the C++17 [[nodiscard]] semantics rather than gcc __attribute__((warn_unused_result)).
The Timer related APIs now expect a Name and Description. When upgrading code the previously used names should become descriptions and a short name in the style of a programming language identifier should be added.
LLVM now handles across different basic blocks, which makes it possible to devirtualize virtual calls inside loops.
The aggressive dead code elimination phase (dce now removes branches which do not effect program behavior. Loops are retained by default since they may be infinite but these can also be removed with LLVM option -adce-remove-loops when the loop body otherwise has no live operations.
The llvm-cov tool can now export coverage data as json. Its html output mode has also improved.

Revision 1.4 / (download) - annotate - [select for diffs], Thu Jan 5 11:54:32 2017 UTC (6 years, 8 months ago) by adam
Branch: MAIN
Changes since 1.3: +5 -5 lines
Diff to previous 1.3 (colored)

Changes 3.9.1:
The LLVMContext gains a new runtime check (see LLVMContext::discardValueNames()) that can be set to discard Value names (other than GlobalValue). This is intended to be used in release builds by clients that are interested in saving CPU/memory as much as possible.
There is no longer a lobal contextavailable in LLVM, except for the C API.
The autoconf build system has been removed in favor of CMake. LLVM 3.9 requires CMake 3.4.3 or later to build. For information about using CMake please see the documentation on Building LLVM with CMake. For information about the CMake language there is also a CMake Primer document available.
C API functions LLVMParseBitcode, LLVMParseBitcodeInContext, LLVMGetBitcodeModuleInContext and LLVMGetBitcodeModule having been removed. LLVMGetTargetMachineData has been removed (use LLVMGetDataLayout instead).
The C API function LLVMLinkModules has been removed.
The C API function LLVMAddTargetData has been removed.
The C API function LLVMGetDataLayout is deprecated in favor of LLVMGetDataLayoutStr.
The C API enum LLVMAttribute and associated API is deprecated in favor of the new LLVMAttributeRef API. The deprecated functions are LLVMAddFunctionAttr, LLVMAddTargetDependentFunctionAttr, LLVMRemoveFunctionAttr, LLVMGetFunctionAttr, LLVMAddAttribute, LLVMRemoveAttribute, LLVMGetAttribute, LLVMAddInstrAttribute, LLVMRemoveInstrAttribute and LLVMSetInstrParamAlignment.
TargetFrameLowering::eliminateCallFramePseudoInstr now returns an iterator to the next instruction instead of void. Targets that previously did MBB.erase(I); return; now probably want return MBB.erase(I);.
SelectionDAGISel::Select now returns void. Out-of-tree targets will need to be updated to replace the argument node and remove any dead nodes in cases where they currently return an SDNode * from this interface.
Added the MemorySSA analysis, which hopes to replace MemoryDependenceAnalysis. It should provide higher-quality results than MemDep, and be algorithmically faster than MemDep. Currently, GVNHoist (which is off by default) makes use of MemorySSA.
The minimum density for lowering switches with jump tables has been reduced from 40% to 10% for functions which are not marked optsize (that is, compiled with -Os).

Revision 1.3 / (download) - annotate - [select for diffs], Mon Nov 14 20:49:15 2016 UTC (6 years, 10 months ago) by ryoon
Branch: MAIN
CVS Tags: pkgsrc-2016Q4-base, pkgsrc-2016Q4
Changes since 1.2: +6 -6 lines
Diff to previous 1.2 (colored)

Update to 3.9.0

* Polly directly available in clang/opt/bugpoint
* Increased analysis coverage
* Fine-grain dependences analysis
* Update of the isl math library

Revision 1.2 / (download) - annotate - [select for diffs], Mon Sep 19 22:32:41 2016 UTC (7 years ago) by kamil
Branch: MAIN
CVS Tags: pkgsrc-2016Q3-base, pkgsrc-2016Q3
Changes since 1.1: +2 -2 lines
Diff to previous 1.1 (colored)

Regenerate distinfo to fix build

Noted by <dh>

Revision 1.1 / (download) - annotate - [select for diffs], Mon Sep 12 22:49:23 2016 UTC (7 years ago) by kamil
Branch: MAIN

Import LLVM Polly 3.8.1 as devel/polly

Polly is a high-level loop and data-locality optimizer and optimization
infrastructure for LLVM. It uses an abstract mathematical representation based
on integer polyhedra to analyze and optimize the memory access pattern of a
program. We currently perform classical loop transformations, especially tiling
and loop fusion to improve data-locality. Polly can also exploit OpenMP level
parallelism, expose SIMDization opportunities. Work has also be done in the
area of automatic GPU code generation.

For many users, however, it's not the existing optimizations in Polly that are
of most interest, but the new analyses and optimizations enabled by the Polly
infrastructure. At you can get an idea of what has already been
done and what is possible in the context of polyhedral compilation.

This form allows you to request diff's between any two revisions of a file. You may select a symbolic revision name using the selection box or you may type in a numeric name using the type-in text box.

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