הורדת LLVM 18.1.2

- Phoebe Wang: [X86] Add missing subvector_subreg_lowering for BF16 (#83720) (26a1d6601d72)
- Chuanqi Xu: [C++20] [Moduls] Avoid computing odr hash for functions from comparing constraint expression (0bf7ff1028fb)
- Luke Lau: [RISCV] Fix mgather → riscv.masked.strided.load combine not extending indices (#82506) (a2c93b34dfdf)
- Luke Lau: [RISCV] Adjust test case to show wrong stride. NFC (a9d4ed71707d)
- Luke Lau: [RISCV] Add test case for miscompile in gather → strided load combine. NFC (42f511c95c6f)
- Nikita Popov: [TSan] Fix atomicrmw xchg with pointer and floats (#85228) (53ea0de61dcd)
- Patryk Wychowaniec: [AVR] Remove earlyclobber from LDDRdPtrQ (#85277) (fd9f1faf8fcb)
- David CARLIER: Revert “release/18.x: [openmp] __kmp_x86_cpuid fix for i386/PIC builds. (#846…” (2d35ba4a8577)
- Qiu Chaofan: [PowerPC] Update chain uses when emitting lxsizx (#84892) (df20f2fc9998)
- Martin Storsjö: [llvm-shlib] Fix the version naming style of libLLVM for Windows (#85710) (c09f6f6f4341)
- Tom Stellard: [llvm-shlib] Fix libLLVM-18 symlink on mingw (#85554) (cba6ebf0d0ab)
- Tom Stellard: llvm-shlib: Fix libLLVM-${MAJOR}.so symlink on MacOS (#85163) (bcf98bd84199)
- Alex Crichton: [WebAssembly] Change the default linker for wasm32-wasip2 (#84569) (b1f1effacf32)
- Tom Stellard: workflows: Fix baseline version for llvm abi checks (#85166) (ecc22d27e5b8)
- Yingwei Zheng: [InstCombine] Drop UB-implying attrs/metadata after speculating an instruction (#85542) (7fd9979eb9cf)
- Weining Lu: [lld][LoongArch] Fix handleUleb128 (edbe7fa5fef9)
- Weining Lu: [lld][test] Fix sanitizer buildbot failure (b95ea2e51bdf)
- Daniel Paoliello: Remove support for EXPORTAS in def files to maintain ABI compatibility for COFFShortExport (2f640ad26d17)
- Daniel Paoliello: [Arm64EC] Copy import descriptors to the EC Map (#84834) (207ecd684cc6)
- Jacek Caban: [llvm-lib][Object] Add support for EC importlib symbols. (#81059) (79bc8b32c6ed)
- Jacek Caban: [llvm-lib][llvm-dlltool][Object] Add support for EXPORTAS name types. (#78772) (76e1800f3565)
- Jacek Caban: [llvm-readobj][Object][COFF] Print COFF import library symbol export name. (#78769) (77e1992e89d3)
- Louis Dionne: [libc++] Use clang-tidy version that matches the compiler we use in the CI (#85305) (3a06861272d8)
- Nathan Ridge: [clangd] [HeuristicResolver] Protect against infinite recursion on DependentNameTypes (#83542) (0c1dcd675291)
- Ian Anderson: [clang][modules] giving the _stddef headers their own modules can cause redeclaration errors with -fbuiltin-headers-in-system-modules (#84127) (a649e0a6e80f)
- Tom Stellard: workflows: Add workaround for lld failures on MacOS (#85021) (#85110) (12a3bf351575)
- David CARLIER: release/18.x: [openmp] __kmp_x86_cpuid fix for i386/PIC builds. (#84626) (#85053) (9b3edb592deb)
- Nathan Ridge: [clangd] Add clangd 18 release notes (#84436) (600f7f2ba28f)
- Martin Storsjö: [runtimes] Prefer -fvisibility-global-new-delete=force-hidden (#84917) (bb83f055091c)
- Fangrui Song: [ELF] Eliminate symbols demoted due to /DISCARD/ discarded sections (#85167) (122ba9f10070)
- Jonas Paulsson: SystemZ release notes for 18.x. (#84560) (33c6b2027698)
- Nikita Popov: [X86][Inline] Skip inline asm in inlining target feature check (#83820) (8c6015db5912)
- Nikita Popov: [Inline] Add test for #67054 (NFC) (38cf35dee880)
- Florian Hahn: [ValueTracking] Treat phi as underlying obj when not decomposing further (#84339) (c7eb919d2cbe)
- Florian Hahn: [LAA] Add test case for #82665. (b01c3dcf2eb5)
- azhan92: [Release] Install compiler-rt builtins during Phase 1 on AIX (#81485) (159969b3880b)
- Florian Hahn: [ArgPromotion] Remove incorrect TranspBlocks set for loads. (#84835) (7b61ddefc28a)
- Florian Hahn: [ArgPromotion] Add test case for #84807. (25a989ce8bf3)
- Martin Storsjö: [LLD] [COFF] Set the right alignment for DelayDirectoryChunk (#84697) (2fc8bea42f99)
- Simon Pilgrim: [X86] combineAndShuffleNot - ensure the type is legal before create X86ISD::ANDNP target nodes (fcc33dca02d1)
- Florian Hahn: [DSE] Remove malloc from EarliestEscapeInfo before removing. (#84157) (39e3ba8a383e)
- Yingwei Zheng: [InstCombine] Fix miscompilation in PR83947 (#83993) (3f8711fc5e01)
- wanglei: [Clang][LoongArch] Fix wrong return value type of __iocsrrd_h (#84100) (9b9aee16d4dc)
- wanglei: [Clang][LoongArch] Precommit test for fix wrong return value type of __iocsrrd_h. NFC (a9ba36c7e7d7)
- wanglei: [LoongArch] Make sure that the LoongArchISD::BSTRINS node uses the correct MSB value (#84454) (d77c5c3830d9)
- Phoebe Wang: [X86] Add missing subvector_subreg_lowering for BF16 (#83720) (26a1d6601d72)
- Chuanqi Xu: [C++20] [Moduls] Avoid computing odr hash for functions from comparing constraint expression (0bf7ff1028fb)
- Luke Lau: [RISCV] Fix mgather → riscv.masked.strided.load combine not extending indices (#82506) (a2c93b34dfdf)
- Luke Lau: [RISCV] Adjust test case to show wrong stride. NFC (a9d4ed71707d)
- Luke Lau: [RISCV] Add test case for miscompile in gather → strided load combine. NFC (42f511c95c6f)
- Nikita Popov: [TSan] Fix atomicrmw xchg with pointer and floats (#85228) (53ea0de61dcd)
- Patryk Wychowaniec: [AVR] Remove earlyclobber from LDDRdPtrQ (#85277) (fd9f1faf8fcb)
- David CARLIER: Revert “release/18.x: [openmp] __kmp_x86_cpuid fix for i386/PIC builds. (#846…” (2d35ba4a8577)
- Qiu Chaofan: [PowerPC] Update chain uses when emitting lxsizx (#84892) (df20f2fc9998)
- Martin Storsjö: [llvm-shlib] Fix the version naming style of libLLVM for Windows (#85710) (c09f6f6f4341)
- Tom Stellard: [llvm-shlib] Fix libLLVM-18 symlink on mingw (#85554) (cba6ebf0d0ab)
- Tom Stellard: llvm-shlib: Fix libLLVM-${MAJOR}.so symlink on MacOS (#85163) (bcf98bd84199)
- Alex Crichton: [WebAssembly] Change the default linker for wasm32-wasip2 (#84569) (b1f1effacf32)
- Tom Stellard: workflows: Fix baseline version for llvm abi checks (#85166) (ecc22d27e5b8)
- Yingwei Zheng: [InstCombine] Drop UB-implying attrs/metadata after speculating an instruction (#85542) (7fd9979eb9cf)
- Weining Lu: [lld][LoongArch] Fix handleUleb128 (edbe7fa5fef9)
- Weining Lu: [lld][test] Fix sanitizer buildbot failure (b95ea2e51bdf)
- Daniel Paoliello: Remove support for EXPORTAS in def files to maintain ABI compatibility for COFFShortExport (2f640ad26d17)
- Daniel Paoliello: [Arm64EC] Copy import descriptors to the EC Map (#84834) (207ecd684cc6)
- Jacek Caban: [llvm-lib][Object] Add support for EC importlib symbols. (#81059) (79bc8b32c6ed)
- Jacek Caban: [llvm-lib][llvm-dlltool][Object] Add support for EXPORTAS name types. (#78772) (76e1800f3565)
- Jacek Caban: [llvm-readobj][Object][COFF] Print COFF import library symbol export name. (#78769) (77e1992e89d3)
- Louis Dionne: [libc++] Use clang-tidy version that matches the compiler we use in the CI (#85305) (3a06861272d8)
- Nathan Ridge: [clangd] [HeuristicResolver] Protect against infinite recursion on DependentNameTypes (#83542) (0c1dcd675291)
- Ian Anderson: [clang][modules] giving the _stddef headers their own modules can cause redeclaration errors with -fbuiltin-headers-in-system-modules (#84127) (a649e0a6e80f)
- Tom Stellard: workflows: Add workaround for lld failures on MacOS (#85021) (#85110) (12a3bf351575)
- David CARLIER: release/18.x: [openmp] __kmp_x86_cpuid fix for i386/PIC builds. (#84626) (#85053) (9b3edb592deb)
- Nathan Ridge: [clangd] Add clangd 18 release notes (#84436) (600f7f2ba28f)
- Martin Storsjö: [runtimes] Prefer -fvisibility-global-new-delete=force-hidden (#84917) (bb83f055091c)
- Fangrui Song: [ELF] Eliminate symbols demoted due to /DISCARD/ discarded sections (#85167) (122ba9f10070)
- Jonas Paulsson: SystemZ release notes for 18.x. (#84560) (33c6b2027698)
- Nikita Popov: [X86][Inline] Skip inline asm in inlining target feature check (#83820) (8c6015db5912)
- Nikita Popov: [Inline] Add test for #67054 (NFC) (38cf35dee880)
- Florian Hahn: [ValueTracking] Treat phi as underlying obj when not decomposing further (#84339) (c7eb919d2cbe)
- Florian Hahn: [LAA] Add test case for #82665. (b01c3dcf2eb5)
- azhan92: [Release] Install compiler-rt builtins during Phase 1 on AIX (#81485) (159969b3880b)
- Florian Hahn: [ArgPromotion] Remove incorrect TranspBlocks set for loads. (#84835) (7b61ddefc28a)
- Florian Hahn: [ArgPromotion] Add test case for #84807. (25a989ce8bf3)
- Martin Storsjö: [LLD] [COFF] Set the right alignment for DelayDirectoryChunk (#84697) (2fc8bea42f99)
- Simon Pilgrim: [X86] combineAndShuffleNot - ensure the type is legal before create X86ISD::ANDNP target nodes (fcc33dca02d1)
- Florian Hahn: [DSE] Remove malloc from EarliestEscapeInfo before removing. (#84157) (39e3ba8a383e)
- Yingwei Zheng: [InstCombine] Fix miscompilation in PR83947 (#83993) (3f8711fc5e01)
- wanglei: [Clang][LoongArch] Fix wrong return value type of __iocsrrd_h (#84100) (9b9aee16d4dc)
- wanglei: [Clang][LoongArch] Precommit test for fix wrong return value type of __iocsrrd_h. NFC (a9ba36c7e7d7)
- wanglei: [LoongArch] Make sure that the LoongArchISD::BSTRINS node uses the correct MSB value (#84454) (d77c5c3830d9)