[llvm-bugs] [Bug 144656] [VectorCombine] foldShuffleOfShuffles - failure to fold shuffle(shuffle(x, y), undef) length changing masks

Issue 144656 Summary [VectorCombine] foldShuffleOfShuffles - failure to fold shuffle(shuffle(x,y),undef) length changing masks Labels llvm:instcombine, missed

[llvm-bugs] [Bug 144654] [VectorCombine] Recognise reduction patterns from extract+binop+shuffle chains

Issue 144654 Summary [VectorCombine] Recognise reduction patterns from extract+binop+shuffle chains Labels llvm:instcombine, missed-optimization

[llvm-bugs] [Bug 144723] llvm-rc fails to parse FILEVERSION 16bit values

Issue 144723 Summary llvm-rc fails to parse FILEVERSION 16bit values Labels new issue Assignees Reporter

[llvm-bugs] [Bug 144651] [RISCV] combineOp_VLToVWOp_VL can miscompile or crash with Zvfbfwma

Issue 144651 Summary [RISCV] combineOp_VLToVWOp_VL can miscompile or crash with Zvfbfwma Labels new issue Assignees

[llvm-bugs] [Bug 144660] Request Commit Access For Jinjie-Huang

Issue 144660 Summary Request Commit Access For Jinjie-Huang Labels infra:commit-access-request Assignees Reporter

[llvm-bugs] [Bug 144681] [XRay] Weird sled behavior with `-O3` and `-fno-inline`

Issue 144681 Summary [XRay] Weird sled behavior with `-O3` and `-fno-inline` Labels new issue Assignees Reporter

[llvm-bugs] [Bug 144683] Incorrect branch weights being added around vector epilogue loops

Issue 144683 Summary Incorrect branch weights being added around vector epilogue loops Labels vectorizers, vectorization Assignees

[llvm-bugs] [Bug 144736] [DAGCombiner] trunc + zext on i64 to i32 folded into constant 0

Issue 144736 Summary [DAGCombiner] trunc + zext on i64 to i32 folded into constant 0 Labels new issue Assignees Rep

[llvm-bugs] [Bug 144738] [HLSL][DXC Driver] Add preprocessor definition when `-metal` is passed

Issue 144738 Summary [HLSL][DXC Driver] Add preprocessor definition when `-metal` is passed Labels HLSL Assignees R

[llvm-bugs] [Bug 144732] [OCaml] Getting "duplicate libraries" warning from linker

Issue 144732 Summary [OCaml] Getting "duplicate libraries" warning from linker Labels new issue Assignees Reporter

[llvm-bugs] [Bug 144669] [LLD] unable to link a uncalled constructor function in static lib

Issue 144669 Summary [LLD] unable to link a uncalled constructor function in static lib Labels lld Assignees Report

[llvm-bugs] [Bug 144670] [Flang] Crash with nested types

submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace. Stack dump: 0. Program arguments: /opt/compiler-explorer/clang-llvmflang-trunk-20250618/bin/flang -fc1 -triple x86_64-unknown-linux-gnu -S -mrelocation-model pic -pic-level 2 -pic-is-pie -target-cpu x86

[llvm-bugs] [Bug 144709] Clang: 64-bit SPARC doesn't align struct arguments as required by ABI

Issue 144709 Summary Clang: 64-bit SPARC doesn't align struct arguments as required by ABI Labels clang Assignees R

[llvm-bugs] [Bug 144713] [BUG] `ColumnLimit` not respected

Issue 144713 Summary [BUG] `ColumnLimit` not respected Labels new issue Assignees Reporter parmi93

[llvm-bugs] [Bug 144687] ARM SIMD backend bug in llvm >= 18

Issue 144687 Summary ARM SIMD backend bug in llvm >= 18 Labels new issue Assignees Reporter K-os

[llvm-bugs] [Bug 144729] clang: Invalid address-of-packed-member warning

Issue 144729 Summary clang: Invalid address-of-packed-member warning Labels clang Assignees Reporter

[llvm-bugs] [Bug 144678] [test-suite] Test failures with libstdc++ 15

Issue 144678 Summary [test-suite] Test failures with libstdc++ 15 Labels new issue Assignees Reporter

[llvm-bugs] [Bug 144708] CLang MSVC compatibility bug in return by register.

Issue 144708 Summary CLang MSVC compatibility bug in return by register. Labels clang Assignees Reporter

[llvm-bugs] [Bug 144780] [llvm] Miscompilation of freeze instruction with llc -O1

Issue 144780 Summary [llvm] Miscompilation of freeze instruction with llc -O1 Labels new issue Assignees Reporter

[llvm-bugs] [Bug 144798] clang encodes an invalid DWARF register number for sub-registers.

Issue 144798 Summary clang encodes an invalid DWARF register number for sub-registers. Labels clang Assignees Repor

[llvm-bugs] [Bug 144801] [bug report] Clang 18.1.3 segmentation fault while parsing an erroneous class template specializaiton

Issue 144801 Summary [bug report] Clang 18.1.3 segmentation fault while parsing an erroneous class template specializaiton Labels clang Assignees

[llvm-bugs] [Bug 144771] Clang assertion failure in CastInst::Create() with "Invalid cast!" when generating code for function with builtin expression

Issue 144771 Summary Clang assertion failure in CastInst::Create() with "Invalid cast!" when generating code for function with builtin _expression_ Labels clang

[llvm-bugs] [Bug 144761] [clang-tidy] Add allow list to `google-build-using-namespace`

Issue 144761 Summary [clang-tidy] Add allow list to `google-build-using-namespace` Labels clang-tidy Assignees Repo

[llvm-bugs] [Bug 144775] `-Wdocumentation` misleading diagnostic with template specialzation

Issue 144775 Summary `-Wdocumentation` misleading diagnostic with template specialzation Labels new issue Assignees

[llvm-bugs] [Bug 144777] [lldb] TestTargetWatchAddress (test_watch_create_by_address) is flaky on Windows x86_64

Issue 144777 Summary [lldb] TestTargetWatchAddress (test_watch_create_by_address) is flaky on Windows x86_64 Labels lldb Assignees

[llvm-bugs] [Bug 144804] Request Commit Access For Jianhui Li

Issue 144804 Summary Request Commit Access For Jianhui Li Labels infra:commit-access-request Assignees Reporter

[llvm-bugs] [Bug 144747] [DirectX] Downgrading raw to typed buffer accesses for SM6.2 and earlier happens too late

Issue 144747 Summary [DirectX] Downgrading raw to typed buffer accesses for SM6.2 and earlier happens too late Labels backend:DirectX Assignees

[llvm-bugs] [Bug 144795] [LoopVectorizePass] 40% regression on neoverse-v1 after #141865

Issue 144795 Summary [LoopVectorizePass] 40% regression on neoverse-v1 after #141865 Labels vectorizers, vectorization Assignees

[llvm-bugs] [Bug 144786] [libomptarget] omp_get_default_device doesn't returning host device in the case of OMP_TARGET_OFFLOAD=disabled

Issue 144786 Summary [libomptarget] omp_get_default_device doesn't returning host device in the case of OMP_TARGET_OFFLOAD=disabled Labels new issue

[llvm-bugs] [Bug 144762] [libc++] Re-add implementation detail tests that we removed since the C++03 headers were forked.

Issue 144762 Summary [libc++] Re-add implementation detail tests that we removed since the C++03 headers were forked. Labels libc++ Assignees

[llvm-bugs] [Bug 144772] Clang assertion failure in UpdateMultiVersionNames() - "Other GD should now be a multiversioned function" when generating code for 'factorial' function

Issue 144772 Summary Clang assertion failure in UpdateMultiVersionNames() - "Other GD should now be a multiversioned function" when generating code for 'factorial' function Labels

[llvm-bugs] [Bug 144816] clang generates incorrect code with -O2

Issue 144816 Summary clang generates incorrect code with -O2 Labels clang Assignees Reporter Evene

[llvm-bugs] [Bug 144823] Miscompilation in Machine Copy Propagation on AArch64

Issue 144823 Summary Miscompilation in Machine Copy Propagation on AArch64 Labels new issue Assignees Reporter

[llvm-bugs] [Bug 144838] [flang][OpenMP] fujitsu 1037/1037_0048.f90 unexpected 'fir.is_present' op operand #0 must be any reference or box like

Issue 144838 Summary [flang][OpenMP] fujitsu 1037/1037_0048.f90 unexpected 'fir.is_present' op operand #0 must be any reference or box like Labels flang

[llvm-bugs] [Bug 144825] [mlir][hoisting] Currently linalg hoisting can not optimize memref.assume_alignment

Issue 144825 Summary [mlir][hoisting] Currently linalg hoisting can not optimize memref.assume_alignment Labels mlir Assignees

[llvm-bugs] [Bug 144845] __arm_rsr64 treated as CSE'able on arm32

Issue 144845 Summary __arm_rsr64 treated as CSE'able on arm32 Labels backend:ARM Assignees Reporter

[llvm-bugs] [Bug 144847] Linux kernel version is unknown

Issue 144847 Summary Linux kernel version is unknown Labels new issue Assignees Reporter jakesteel

[llvm-bugs] [Bug 144832] llvm/test/MC/AArch64/seh-* tests fail when VK_COFF_IMGREL32 changes value

Issue 144832 Summary llvm/test/MC/AArch64/seh-* tests fail when VK_COFF_IMGREL32 changes value Labels platform:windows Assignees

[llvm-bugs] [Bug 144817] [lldb] lldb-server abstract domain socket issue?

Issue 144817 Summary [lldb] lldb-server abstract domain socket issue? Labels new issue Assignees Reporter

[llvm-bugs] [Bug 144829] [libc++] `std::locale(named, unnamed, std::locale::none)` should obtain its name from `named`

Issue 144829 Summary [libc++] `std::locale(named, unnamed, std::locale::none)` should obtain its name from `named` Labels libc++ Assignees

[llvm-bugs] [Bug 144827] [openmp][clang] Compilation error for omp update directive when multi dimension array is allocated on heap

Issue 144827 Summary [openmp][clang] Compilation error for omp update directive when multi dimension array is allocated on heap Labels clang Assi