Issue
152220
Summary
[DirectX] Vector `mad` operations not being scalarized for integer types
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new issue
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Issue
152216
Summary
Implement DR277 to reject non-object declarations in for loops pre-C23
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new issue
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Issue
152193
Summary
Install doesn't respect libdir
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new issue
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Reporter
rossburton
Issue
152184
Summary
Investigate why CI or check-cxx with ubsan does not detect the issue
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Reporter
Issue
152176
Summary
Flang OpenMP: reduction with minus operator not supported
Labels
flang
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Reporter
Issue
152174
Summary
[flang][OpenMP] Initialize variables of omp_nest_lock_kind to a known bad value (e.g., -1)
Labels
flang:openmp
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Issue
152165
Summary
aarch64: Failure to handle PSTATE.SM & ZA for tlsdesc calls
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new issue
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Reporte
Issue
152150
Summary
[DAG][X86] Backend building SelectionDAG failed when hitting new datatype (`v7f16`)
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new issue
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Issue
152147
Summary
Request Commit Access For maarquitos14
Labels
infra:commit-access-request
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Reporter
Issue
152145
Summary
[DAG] SelectionDAG::canCreateUndefOrPoison - add ISD::FABS handling + tests
Labels
good first issue,
llvm:SelectionDAG
Issue
152144
Summary
[DAG] SelectionDAG::canCreateUndefOrPoison - add ISD::SCMP/UCMP handling + tests
Labels
good first issue,
llvm:SelectionDAG
Issue
152143
Summary
[DAG] SelectionDAG::canCreateUndefOrPoison - add TRUNCATE_SAT handling + tests
Labels
good first issue,
llvm:SelectionDAG
Issue
152141
Summary
[DAG] SelectionDAG::canCreateUndefOrPoison - add ISD::FP_EXTEND handling + tests
Labels
good first issue,
llvm:SelectionDAG
Issue
152129
Summary
[mlir][tosa] Replace `StringBasedAttr` TOSA enumerations with `Tosa_I32EnumAttr`
Labels
good first issue,
mlir:tosa
Issue
152125
Summary
arm64-apple-macosx15.0.0: Undefined __divdc3 used by complex dvision
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new issue
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Issue
152123
Summary
[Flang][OpenMP] compilation failed when combining firstprivate/lastprivate with a loop containing !$omp cancel do
Labels
flang:openmp
Issue
152113
Summary
[LLDB] Cast to pointer-to-array-of-typeof-variable doesn't work
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new issue
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Rep
Issue
152102
Summary
[BOLT][AArch64] When the --frame-opt=hot option is enabled, AArch64MCPlusBuilder does not implement the getPushSize API
Labels
BOLT
Issue
152097
Summary
[AVR] crash: "Value is not an N-bit unsigned value" when enabling asserts
Labels
backend:AVR,
crash-on-valid
Assi
Issue
152081
Summary
Overload resolution incorrectly considers std::initializer_list with narrowing conversions
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new issue
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Issue
152077
Summary
[mlir] [affine] affine-loop-fusion incorrectly fuses loops
Labels
mlir
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Reporter
Issue
152071
Summary
Bytecode Interpreter: Migrate away from `CheckEvaluationResult`
Labels
clang:frontend,
clang:bytecode
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Issue
152064
Summary
Request Commit Access For woruyu
Labels
infra:commit-access-request
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Reporter
Issue
152061
Summary
Testing bit next to signbit does not constant fold when squaring signed integers
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new issue
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Issue
152058
Summary
Request Commit Access For matts1
Labels
infra:commit-access-request
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Reporter
Issue
152052
Summary
[LLDB] [Native PDB] Add support for `lf_alias` for typedef types
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new issue
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Re
Issue
152051
Summary
[LLDB] [Native PDB] Wrong name is used for Rust types
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new issue
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Reporter
Issue
152049
Summary
[SPIR-V] OpSpecConstantOp Bitcast error for `reversebits` vec2/vec3 cases for non-32-bit integers
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new issue
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Issue
152037
Summary
[mlir] [linalg] DecomposePackUnpack pattern can create invalid output IR when creating a rank-reducing extract_slice.
Labels
mlir
Issue
152032
Summary
[clang-format] Add an option to support the placement of commas before the parameters in the line break format.
Labels
clang-format
Issue
152026
Summary
`bugprone-exception-escape` for `std::string` member in default copy constructor invocation reported with libc++
Labels
clang-tidy
Issue
152024
Summary
readability-redundant-member-init when member variable initialized with macro
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new issue
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Issue
152022
Summary
apt.llvm.org ubuntu-24.04 packages: cannot install both libc++-20-dev and libgstreamer1.0-dev
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new issue
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Issue
152019
Summary
Clang accepts invalid parenthesized template name in deduction guide declaration
Labels
clang
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Issue
152018
Summary
Clang accepts invalid parenthesized constructor declarator
Labels
Assignees
Reporter
zygo
Issue
152012
Summary
[mlir][spirv] ARM Tensor constants fail to validate
Labels
bug,
mlir:spirv
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Issue
152008
Summary
[MCA][X86] llvm-mca very inaccurate for pop instructions
Labels
tools:llvm-mca,
backend:X86 Scheduler Models
Assi
Issue
151994
Summary
Missed optimization: Eager use of callee-saved registers pessimizes hot branch
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new issue
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Issue
151990
Summary
[Flang] [OpenMP] crashes on an array in the depend clause of task directive
Labels
crash,
flang:openmp
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Issue
151985
Summary
Pre-processed C++ module generated code lead to compilation error when using `clang++-22`
Labels
clang
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Issue
151976
Summary
dump-minimization-hints prints negative-size ranges
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new issue
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Reporter
Issue
151952
Summary
[Msan]False positive reported of std::__1::basic_istream>& std::__1::getline
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new issue
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Issue
151931
Summary
[TSAN] Fatal "unsupported VMA range" when running aarch64 binaries via qemu
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new issue
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Issue
151920
Summary
ninja check-flang-rt is broken on LLVM 21 Windows Release
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new issue
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Issue
151913
Summary
[OpenCL] Failure writing the same vector type from different threads
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new issue
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Issue
151898
Summary
Can Clang Static Analyzer Detect C++ Smart Pointer Issues like Null Dereference or Use-After-Move?
Labels
clang
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Issue
151896
Summary
[MLIR] custom in Symbol's assemblyFormat generates call to non-member versions of parseSymbolName and printSymbolName
Labels
mlir
Issue
151895
Summary
[Flang][OpenMP] Incorrect execution result when assumed-shape array is allocated and defined in parallel construct with private clause
Labels
flang:o
Issue
151894
Summary
[Flang] allocated status of a saved ALLOCATABLE variable is lost when subprograms are executed starting from an ENTRY statement under -O2 optimization
Labels
Issue
151892
Summary
llvm-20: orc: unable to legalize instruction
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new issue
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Issue
151891
Summary
`gdb-remote` with a Unix socket does not work
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new issue
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Reporter
Issue
151888
Summary
AArch64 backend crashing on trivial but non-canonical code with Assertion failed: (isVirtual() && "Not a virtual register
Labels
backend:AArch64,
Issue
151887
Summary
[clang-tidy] `ClangTidyOptions` should not contain `optional` values
Labels
clang-tidy
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Issue
151877
Summary
RVV assert in inline asm for tied constraints
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new issue
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Reporter
Issue
151876
Summary
[Clang-Repl] Using shared memory in Out-Of-Process JIT execution gives ``Permission Denied`` error on MacOS
Labels
new issue
Issue
151867
Summary
MLIR CAPI `getDefiningOp` is not exposed
Labels
mlir
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Reporter
V0lde
Issue
151861
Summary
BOLT: BOLT generates invalid constant pool in .gdb-index
Labels
BOLT
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Reporter
Issue
151857
Summary
BOLT: BOLT generates odd address ranges in .gdb_index, which confuse gdb
Labels
BOLT
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Issue
151854
Summary
[analyzer] Assertion `Assumption && "We should know the exact outcome of an assume expr"' failed.
Labels
clang:static analyzer,
crash
Issue
151844
Summary
[Clang Format] Incorrect format for `for` loops when `AlignAfterOpenBracket` is `BlockIndent`
Labels
clang
Assignees
Issue
151831
Summary
TableGen/Record.cpp:1567:41: runtime error: shift exponent 18446744073709551612 is too large for 64-bit type 'uint64_t' (aka 'unsigned long long')
Labels
Issue
151830
Summary
How to statically link everything?
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new issue
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Reporter
nullfs
Issue
151826
Summary
libc++ fails to compile valid c++20 use of uses_allocator_construction_args
Labels
libc++
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Issue
151823
Summary
Can't make a WebGL build even on new progect
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new issue
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Reporter
Issue
151814
Summary
LLVM incorrectly emits "vsha2ch.vv" instruction for __riscv_vsha2cl_vv_u32m1 intrinsic
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new issue
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Issue
151795
Summary
[MLIR]Inconsistent Output Between `-convert-math-to-llvm` and `-convert-math-to-spirv`
Labels
mlir
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Issue
151793
Summary
[lld][LoongArch] GOT indirection to PC relative optimization
Labels
lld
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Reporter
Issue
151792
Summary
[lld][LoongArch] Check that the relocation addend is zero before applying relaxation to R_LARCH_GOT_PC_{HI20,LO12}
Labels
lld
Issue
151791
Summary
`assume`-`nonnull` operand bundles should optimize away more
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new issue
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Report
Issue
151787
Summary
[clang] Hints for `fold_expression_bad_operand` insert parentheses at incorrect location
Labels
clang
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Issue
151786
Summary
[MLIR] tosa.powf + tosa.ceil returns incorrect result with `-test-expand-math`
Labels
mlir
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Issue
151785
Summary
Non alloca pointer in llvm.lifetime.end appeared after GVN
Labels
regression,
crash-on-valid
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Issue
151784
Summary
Template argument limit of 0x7fff in clang-21 onward
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new issue
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Reporter
Issue
151769
Summary
New C23 typeof() cannot be used in a `union`.
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new issue
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Reporter
Issue
151768
Summary
Fatal error regression: Assertion `SubregToRegSrcInsts.empty() && "can this happen?"' fails on neoverse-v2 machines.
Labels
new issue
Issue
151756
Summary
[flang] NML: multiple name-value subsequences stopped reading the next item.
Labels
flang:runtime
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Issue
151744
Summary
New dialect flag: -farray-parameters-are-arrays
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new issue
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Reporter
Issue
151742
Summary
[clang] 21.1.0-rc2: compilation error due to misdetecting returning function as noreturn
Labels
clang
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Issue
151740
Summary
[lldb] [lldb-dap extension] `.prettierrc.json` is not mirrored in the lldb-dap VS Code extension repo
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new issue
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Issue
151735
Summary
[clang][c23] Inconsistent compatibility of unnamed enums
Labels
clang
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Reporter
Issue
151733
Summary
[libc++] False positive -Wthread-safety-analysis with std::lock()
Labels
libc++
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Repo
Issue
151728
Summary
[clang-tidy] Move `clang-tidy-diff.py` to bin directory in WIN packaging
Labels
packaging,
clang-tidy
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Issue
151716
Summary
[clang] Assertion `CAT && "vla in literal type?"' failed.
Labels
c++20,
clang:frontend,
crash
Assigne
Issue
151713
Summary
Please backport glibc 2.42 fixes to 21.x
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new issue
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Reporter
Issue
151711
Summary
[analyzer] crashes on __datasizeof
Labels
clang:static analyzer,
crash
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R
Issue
151710
Summary
[CI] Potentially flake lld test
Labels
infrastructure
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boomanaiden154
Rep
Issue
151709
Summary
[analyzer] crashes on structured bindings with _Complex type
Labels
clang:static analyzer,
crash
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Issue
151699
Summary
Assertion `FromCIValue.isZero() && "Cannot convert the instruction."' failed.
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new issue
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Issue
151698
Summary
c++lib header missing required items.
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new issue
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Reporter
ed
Issue
151693
Summary
[HLSL] Implement user & system semantics
Labels
HLSL,
backend:SPIR-V
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Keenuts
Issue
151692
Summary
LLVM incorrectly calls __truncsfbf2 after a bfloat function call in unoptimized code on x86
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new issue
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Issue
151691
Summary
[SPIR-V][HLSL] Fix lowering of poison in shufflevector when swizzle are used
Labels
backend:SPIR-V
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Issue
151689
Summary
[Clang] __builtin_* behaviour leads to recursion
Labels
clang
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Reporter
Issue
151686
Summary
Assertion `EPResumeVal && "must have a resume value for the canonical IV"' failed.
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new issue
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Issue
151683
Summary
[DAG] ForwardStoreValueToDirectLoad - failure to peek through non-matching load types
Labels
missed-optimization,
llvm:SelectionDAG
Issue
151679
Summary
[bug][MLIR][SVE] SVE matmul integration test crashes with larger input sizes (≥128)
Labels
mlir
Assignees
Issue
151676
Summary
[bug][opt][AMDGPU]At the -O2 optimization level, the division computation result for uint64_t type is incorrect
Labels
new issue
Issue
151669
Summary
[Clang] Inconsistent handling of local variable capture in default member initializers
Labels
clang
Assignees
Issue
151664
Summary
[LV] Cost computation skipped for hoisted vector code
Labels
bug,
vectorizers,
vectorization
Assignee
Issue
151659
Summary
clang crashes at -O{s,2,3} on x86_64-linux-gnu running pass 'Register Coalescer'
Labels
clang
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